WO2014186927A1 - 一种钢筋捆扎机 - Google Patents

一种钢筋捆扎机 Download PDF

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Publication number
WO2014186927A1
WO2014186927A1 PCT/CN2013/001410 CN2013001410W WO2014186927A1 WO 2014186927 A1 WO2014186927 A1 WO 2014186927A1 CN 2013001410 W CN2013001410 W CN 2013001410W WO 2014186927 A1 WO2014186927 A1 WO 2014186927A1
Authority
WO
WIPO (PCT)
Prior art keywords
wire
binding machine
plate
bar binding
sleeve
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2013/001410
Other languages
English (en)
French (fr)
Inventor
陆福军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TAIZHOU XINDALU ELECTRONIC TECHNOLOGY Co Ltd
Original Assignee
TAIZHOU XINDALU ELECTRONIC TECHNOLOGY Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=49314739&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2014186927(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by TAIZHOU XINDALU ELECTRONIC TECHNOLOGY Co Ltd filed Critical TAIZHOU XINDALU ELECTRONIC TECHNOLOGY Co Ltd
Priority to EP13885145.6A priority Critical patent/EP3000738B1/en
Priority to US14/893,026 priority patent/US10443252B2/en
Priority to EP17192273.5A priority patent/EP3323737B1/en
Publication of WO2014186927A1 publication Critical patent/WO2014186927A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
    • E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
    • E04G21/12—Mounting of reinforcing inserts; Prestressing
    • E04G21/122—Machines for joining reinforcing bars
    • E04G21/123—Wire twisting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/04—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes with means for guiding the binding material around the articles prior to severing from supply
    • B65B13/06—Stationary ducts or channels
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/185—Details of tools
    • B65B13/187—Motor means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/24—Securing ends of binding material
    • B65B13/28—Securing ends of binding material by twisting
    • B65B13/285—Hand tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/02—Applying and securing binding material around articles or groups of articles, e.g. using strings, wires, strips, bands or tapes
    • B65B13/025—Hand-held tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B13/00—Bundling articles
    • B65B13/18—Details of, or auxiliary devices used in, bundling machines or bundling tools
    • B65B13/185—Details of tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65B—MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B27/00—Bundling particular articles presenting special problems using string, wire, or narrow tape or band; Baling fibrous material, e.g. peat, not otherwise provided for
    • B65B27/10—Bundling rods, sticks, or like elongated objects

Definitions

  • the invention relates to a steel bar binding machine.
  • a reinforcing bar binding device comprising: a binding wire feeding mechanism that feeds a binding wire such as a steel wire wound on a bobbin, and is wound around the reinforcing bar; and a binding wire twisting mechanism that twists the binding wire wound around the reinforcing bar,
  • a binding wire feeding mechanism that feeds a binding wire such as a steel wire wound on a bobbin, and is wound around the reinforcing bar
  • a binding wire twisting mechanism that twists the binding wire wound around the reinforcing bar
  • a steel bar binding machine which is provided with: a main sleeve with a hook at the front end, embedded a front end shaft that is fitted to the inside of the main sleeve, a spiral thread groove formed in the front end shaft, a fitting opening penetrating from the outside of the main sleeve to the inside, and fitting into the fitting opening And a key engaged with the thread groove, a short sleeve provided on an outer circumference of the main sleeve and covering the key, and a snap formed on the short sleeve and controlling rotation of the main sleeve unit.
  • the reinforcing bar binding machine of the above structure is relatively stable in operation and is easily caught in the booting mechanism.
  • the technical problem to be solved by the present invention is to overcome the deficiencies of the prior art described above, and to provide a steel bar binding machine which is accurate in positioning, high in safety factor, long in service life, and can effectively avoid jamming.
  • a main technical solution adopted by a steel bar binding machine is: comprising a strapping machine body and a wire wound wire assembly installed in the body, the wire wound wire assembly comprising a wire winding mechanism and driving
  • the driving device of the wire winding mechanism further includes a locking device, wherein the wire winding mechanism is provided with an advancing and retracting positioning groove and a rotating cam groove, wherein the anti-rotation fixing pin in the locking device is in the axial direction of the advancing and retracting positioning groove Movement, the rotation preventing fixing pin slides in the circumferential direction in the rotating cam groove, and the wire body cutting mechanism is further installed in the body, and the wire cutting plate in the wire winding wire assembly is opposite to the wire cutting mechanism connection.
  • the reinforcing bar binding machine provided by the invention may also have the following subsidiary technical features:
  • the advancing and positioning groove is disposed axially along the wire winding mechanism, the rotating cam groove is gradually shallower in a circumferential direction, the rotating cam groove is disposed along a circumference of the wire winding mechanism, and a side wall of the rotating cam groove
  • the axial extension of the sleeve forms a chamfered structure.
  • the winding mechanism includes an inner core, a wire winding nozzle mounted on the inner core, and a screw rod driving the inner core, the inner core and the screw rod being mounted in a sleeve, the advancing and retracting positioning a slot and the rotating cam groove are disposed on the sleeve, the sleeve is provided with a fixing sleeve, the screw rod is provided with a thread block, and the thread block is connected to the sleeve through a fixing sleeve,
  • the wire winding mechanism further includes all of the wire boards, and the wire cutting plates are mounted on the sleeve by the fixing sleeve.
  • the locking device further includes a fixing seat and a connecting plate mounted on the fixing seat, the rotation preventing fixing pin is mounted on the connecting plate, and the fixing seat is provided with a fixing shaft with a return spring, A connecting plate is mounted on the fixed shaft.
  • the drive device includes a drive motor and a drive gear set coupled to the drive motor, the drive gear set being coupled to the lead screw.
  • the wire cutting mechanism includes a transmission device, a wire outlet, and a linear cutting device, wherein the transmission device is connected to the linear cutting device, the wire outlet has a wire passage, and the wire block is further provided with a wire passage a chute intersecting the wire passage, the wire cutter in the linear cutting device linearly sliding with the chute.
  • the locking device further includes a base, the base has a protruding platform, the protruding platform is hollow inside, the anti-rotation fixing pin is disposed in the protruding platform, the anti-rotation fixing pin and the protruding platform A return spring is disposed between the base and the protrusion to form a reinforcing rib.
  • the linear cutting device includes a swinging member connected to the cutter, the driving leg in the swinging member is connected to the transmission device, and the linkage leg in the swinging member passes through the connecting piece and the cutting wire
  • the cutters are connected, the transmission device includes a large fork and a small fork connected by a connecting pin, and a lower moving plate connected to the large shift fork, the small fork passing through a connecting rod and the swinging member Connected.
  • a front end of the body is provided with a guiding portion, the front end of the guiding portion is curved in an arc shape, the swinging member is rotatably mounted on the guiding portion by a bushing, and the wire sending block is mounted on the guiding portion a front end, the guiding portion is provided with a waist hole, the driving leg is slidably connected to the connecting rod in the waist hole, and the guide portion is provided with a guide wire block, the guide wire block a wire guide is disposed on the wire, and the wire is introduced into the wire through the wire guide, the large fork and the small fork are rotatably mounted on the guiding portion, the large fork and the small fork A contact pin is disposed thereon, and the contact pin abuts against the cutting plate.
  • a guide wire elastic piece is disposed in the wire passage in the guiding portion, and both ends of the wire guide elastic piece are bent and formed with a fixing piece, and the guide wire elastic piece is mounted on the guiding portion through the fixing piece,
  • the guide wire elastic piece has a guiding portion formed by bending downward, and the guiding portion cooperates with the wire passage.
  • the body is rotatably mounted with a wire reel and a wire disc brake mechanism for restricting rotation of the wire reel, and the guide portion is mounted with a power transmission device for driving the wire disc brake mechanism, the power a transmission device is coupled to the wire cutting plate, the power transmission device includes a brake plate and a linkage plate connected to the brake plate through a lower link, the linkage plate and the wire disc brake mechanism Connecting, the brake plate abuts against the cutting plate, the wire disc brake mechanism includes a brake shaft and a brake pad and a brake rocker rotatably mounted on the brake shaft, The moving piece is connected to the wire reel, and the wire reel is uniformly provided with a locking groove, and the brake piece is bent and formed with a brake block, and the braking block is engaged in the locking groove.
  • a receiving cavity for accommodating the wire reel is disposed on the body, a cover plate is rotatably mounted on the body at the accommodating cavity, and the cover is mounted with a rotation locking device, the cover The wire is mounted in the receiving cavity by the rotation locking device.
  • the rotation locking device includes a cover card shaft mounted on the body and a knob rotatably mounted on the cover plate, the knob being snapped onto the cover card shaft, the cover card shaft a card slot is provided, and a knob and a push handle are disposed on the knob, and the wire reel is mounted in the accommodating cavity by the card pin, and the front end of the cover card shaft
  • the card has a transitional slope, and the card foot is inserted into the card slot through the transition slope, and the push handle and the card foot are connected by a connection block.
  • the groove improves the safety factor of the whole working; the side wall of the rotating cam groove extends along the axial direction of the sleeve to form a chamfer structure, which prevents jamming, ensures the smoothness of the working of the wire winding mechanism, and reduces the components. Wear and extend the service life;
  • the invention increases the driving force arm of the size and the fork, makes the wire cutting easier, thereby effectively reducing the negative cutting of the driving motor, achieving the power saving effect, and making the workload of the same battery more;
  • the feet are designed on both the size and the fork, and the top of the wire is placed against the wire by the contact pins.
  • the wire plate has two points of force and is simultaneously stressed, so that the whole mechanism is more even and stable; the wire cutter can linearly slide in the chute by providing a chute intersecting the wire passage on the wire block.
  • the cutting of the steel wire is realized, and by adopting the linear motion mechanism, the binding machine has low processing requirements, is easy to install and has low production cost;
  • the mechanical linkage is used to determine the braking and loosening of the wire disc by means of the advance and retreat position of the winding assembly.
  • the structure is simple, the manufacturing and installation are convenient, and the external condition and environmental factors are not affected.
  • the elastic force of the torsion spring realizes braking, no need to use any power supply, no need for any electrical control circuit and components, and achieve the effect of saving electricity and reducing costs.
  • Fig. 1 is a view showing the internal structure of a reinforcing bar binding machine according to the present invention.
  • FIG. 2 is a structural view of a steel wire wound wire assembly in a steel bar binding machine according to the present invention.
  • FIG 3 is a structural view of a wire winding mechanism in a steel bar binding machine according to the present invention.
  • Figure 4 is a cross-sectional view of the wire winding mechanism of the reinforcing bar binding machine of the present invention.
  • Fig. 5 is a view showing the internal structure of a wire winding mechanism in the reinforcing bar binding machine according to the present invention.
  • Figure 6 is a structural view of a sleeve in a reinforcing bar binding machine according to the present invention.
  • Fig. 7 is a structural view showing a first embodiment of a locking device in a reinforcing bar binding machine according to the present invention.
  • Figure 8 is a perspective structural view of the reinforcing bar binding machine of the present invention.
  • Figure 9 is an internal structural view of another perspective view of the reinforcing bar binding machine of the present invention.
  • Figure 10 is a structural view showing the elimination of the steel wire reel in the reinforcing bar binding machine of the present invention.
  • Figure 11 is a structural view showing a wire cutting mechanism in a reinforcing bar binding machine according to the present invention.
  • Figure 12 is a front elevational view of the wire cutting mechanism of the reinforcing bar binding machine of the present invention.
  • Figure 13 is a structural view of a swinging member in a reinforcing bar binding machine according to the present invention.
  • Figure 14 is an exploded perspective view showing the wire cutting mechanism of the reinforcing bar binding machine of the present invention.
  • Figure 15 is a structural view showing a second embodiment of the locking device in the reinforcing bar binding machine of the present invention.
  • Figure 16 is a structural view of a guide wire elastic piece in the reinforcing bar binding machine of the present invention.
  • Figure 17 is a structural view showing the brake mechanism of the wire disc in the reinforcing bar binding machine of the present invention.
  • Figure 18 is a structural view showing a steel wire reel in the reinforcing bar binding machine of the present invention.
  • Figure 19 is a cross-sectional view showing the rotation locking device of the reinforcing bar binding machine of the present invention.
  • Figure 20 is a structural view of a cover plate of a reinforcing bar binding machine according to the present invention.
  • Figure 21 is a structural view showing a cover shaft of a reinforcing bar binding machine according to the present invention.
  • an embodiment of a reinforcing bar binding machine includes a strapping machine body 1 and a wire wound wire assembly 2 installed in the body 1, the wire winding wire
  • the winding mechanism 21 includes a winding mechanism 21, a driving device 22 for driving the winding mechanism 21, and a locking device 23 for locking the winding mechanism 21.
  • the winding mechanism 21 is provided with an advancing and retracting positioning groove 211 and a rotation.
  • the cam groove 212, the rotation preventing fixing pin 231 in the locking device 23 moves axially in the advancing and repositioning positioning groove 211, and the rotation preventing fixing pin 231 slides in the circumferential direction in the rotating cam groove 212, the body Also included in Fig.
  • the winding mechanism 21 starts to rotate inside under the action of the driving device 22, and the anti-rotation fixing pin 231 in the locking device 23 is located in the advancing and repositioning positioning groove 211. 21 can only advance or retreat and cannot rotate.
  • the rotation preventing fixing pin 231 slides out of the advancing and repositioning positioning groove 211 into the rotating cam groove 212, and the anti-rotation fixing pin 231 can be
  • the inside of the rotary cam groove 212 is slid in the circumferential direction, and the wire winding mechanism 21 at this time can be rotated.
  • the advancing and positioning groove 211 and the rotating cam groove 212 are symmetrically arranged in two, which basically ensures that the wire winding mechanism 21 stops when it rotates for a maximum of half a cycle.
  • the fixing pin 231 can enter the positioning groove to make the sleeve move backward linearly, which saves the return time, shortens the working cycle and improves the working efficiency.
  • the advancing and repositioning positioning groove 211 is axially disposed along the winding mechanism 21, and the rotating cam groove 212 is disposed along the circumference of the winding mechanism 21,
  • the above structural arrangement ensures that the rotation preventing fixing pin 231 in the locking device 23 can accurately move in the axial direction and the circumferential direction of the winding mechanism 21, and also ensures the stability and accuracy of the operation of the winding mechanism 21;
  • the rotary cam groove 212 is gradually shallower in the circumferential direction, and the side wall of the rotary cam groove 212 extends along the axial direction of the sleeve 216 to form a chamfered structure.
  • the angular structure prevents the rotation preventing fixing pin 231 from being caught in the rotating cam groove 212 when the driving device 22 is reversed and the sleeve 216 is retracted.
  • the winding mechanism 21 includes an inner core 213, a winding nozzle 214 mounted on the inner core 213, and a screw driving the inner core 213.
  • the inner core 213 and the screw rod 215 are mounted in a sleeve 216, and the forward and backward positioning groove 211 and the rotating cam groove 212 are disposed on the sleeve 216, and the sleeve 216 is disposed
  • the threaded block 218 is connected to the sleeve 216 through a fixing sleeve 217.
  • the driving device 22 drives the screw 215 to rotate.
  • the screw 215 drives the inner core 213 to open the winding nozzle 214.
  • the sleeve 216 sleeved outside the screw rod 215 is mounted with the spiral structure on the screw rod 215.
  • the thread block 218, in this case, the rotation preventing fixing pin 231 is located in the advancing and repositioning positioning groove 211 of the sleeve 215, and only the forward linear movement can be performed under the action of the screw rod 215 and the thread block 218, and the sleeve 216 is moved forward.
  • the wire nozzle 214 moves to the wire
  • the wire is clamped and clamped, and when the sleeve 216 is moved forward to the position, the rotation preventing fixing pin 231 on the locking device 23 is moved back to the position of the rotating cam groove 212 with respect to the sleeve 216, and the rotation preventing fixing pin 231 cannot restrain the sleeve.
  • the thread block is also moved to the top end of the spiral structure on the screw rod, and the screw rod is integrally rotated by the thread block with the sleeve and the wire winding nozzle 214, and the clamped steel wire is twisted to realize the winding action;
  • the driving device 22 starts to drive the screw 215 to reverse, and the sleeve 216 also retreats and reverses. Since the rotating cam groove 212 is in a single direction, the rotation preventing fixing pin 231 is caught in the groove, and the sleeve 216 is restrained.
  • the wire winding mechanism 21 further includes a wire board 24, and the cutting wire plate 24 is mounted on the sleeve 216 through the fixing sleeve 217,
  • the wire cutting plate 24 in the wire winding mechanism 21 is connected to the linear cutting device 33, and the wire cutting plate 24 is connected to the linear cutting device 33 on the binding machine body 1, and the driving device 22 is advanced in the driving wire winding mechanism 21.
  • the cutting plate 24 travels forward to push the linear cutting device 33 to cut the wire.
  • the driving device 22 includes a driving motor 221 and a transmission gear set 222 connected to the driving motor 221, and the transmission gear set 222 is coupled to the screw rod 215.
  • the drive motor 221 in the drive unit 22 powers the rotation and reversal of the lead screw 215, and the drive motor is driven by the drive gear set 222 coupled to the lead screw 215.
  • the output power of the 221 is transmitted to the screw 215.
  • the transmission gear set 222 of the wire-wound wire assembly 2 provided by the present invention adopts the transmission form of the planetary gear set, but is not limited thereto, and other transmission forms may be adopted. Therefore, it is also within the scope of the present invention to implement the power transmission by conventional technical means in the transmission mode.
  • the locking device exemplifies two embodiments, and the two embodiments are described in detail below:
  • the locking device 23 further includes a fixing base 232 and a connecting plate 233 mounted on the fixing base 232, and the rotation preventing fixing pin 231 is mounted on the connecting plate.
  • a fixing shaft 235 with a return spring 234 is disposed on the fixing base 232
  • the connecting plate 233 is mounted on the fixing shaft 234, and an advancing and positioning groove 211 and a rotating cam groove are disposed on the outer wall of the sleeve 216.
  • 212 and the return spring 235 on the fixed shaft 234 cooperate to effectively avoid the phenomenon of jamming due to the entry of the object, thereby improving the service life of the product.
  • the locking device 23 further includes a base 236.
  • the base 236 has a protruding base 237.
  • the protruding base 237 is hollow inside, and the anti-rotation fixing pin 231
  • a return spring 234 is disposed between the anti-rotation fixing pin 231 and the protrusion 237
  • a reinforcing rib 238 is formed between the base 236 and the protrusion 237 to enhance the connection.
  • the wire cutting mechanism 3 includes a transmission device 31, a wire block 32, and a linear cutting device 33, and the transmission device 31 is in phase with the linear cutting device 33.
  • the wire output block 32 has a wire passage 321 , and the wire block 32 is further provided with a sliding groove 322 intersecting the wire passage 321 , and the wire cutter 323 in the linear cutting device 33
  • the sliding groove 322 intersects with the wire passage 321 is disposed in the wire block 32, the wire enters the wire passage 321 in the wire block 32, and the transmission 22 drives the linear cutting device 33.
  • the wire cutter 323 is fed straight in the chute 322 to cut the wire.
  • the linear cutting device 33 includes a swinging member 331 connected to the cutting blade 323, and the driving leg 332 in the swinging member 331 is
  • the transmission device 31 is connected, and the linkage leg 333 of the oscillating member 331 is connected to the cutter 323 via a connecting piece 334.
  • the transmission device 31 includes a large fork 312 and a small puller connected by a connecting pin 311.
  • the fork 313 and the lower moving plate 314 connected to the large shift fork 312 are connected to the swinging member 331 via a connecting rod 315.
  • the front end of the body 1 is provided with a guiding portion 11 , the front end of the guiding portion 11 is curved in an arc shape, and the swinging member 331 passes through a bushing 12 .
  • the wire piece 32 is mounted on the front end of the guiding portion 11, and the guiding portion 11 is provided with a waist hole 13 at which the driving leg 333 can be
  • the sliding portion 13 is connected to the connecting rod 315.
  • the guiding portion 11 is provided with a guide wire block 14.
  • the guide wire block 14 is provided with a guide wire column 15 through which the steel wire is introduced.
  • the large fork 312 and the small fork 313 are rotatably mounted on the guiding portion 11, and the large fork 312 and the small fork 313 are provided with a contact pin 16, the touch The foot 16 rests against the cutting plate 24.
  • a guide wire elastic piece 18 is mounted in the wire passage 321 of the guiding portion 11 , and both ends of the guiding wire elastic piece 18 are bent and fixed.
  • a guide piece 181 is mounted on the guide portion 11 by the fixing piece 181, and the guide wire elastic piece 18 has a downwardly bent guiding portion 182, and the guiding portion 182 is The wire passages 321 are matched.
  • the body 1 is rotatably mounted with a wire reel 4 and a wire disc brake for restricting rotation of the wire reel 4
  • the mechanism 5 is mounted with a power transmission device 6 for driving the wire disc brake mechanism 5, and the power transmission device 6 is connected to the wire cutting plate 24, and the power transmission device 6 includes a movable plate 61 and an interlocking plate 63 connected to the brake plate 61 via a lower link 62, the interlocking plate 63 is connected to the wire disc brake mechanism 5, and the brake plate 61 abuts against
  • the disc brake mechanism 5 includes a brake shaft 51 and a brake pad 52 and a brake rocker arm 53 rotatably mounted on the brake shaft 51, the brake pad 53 and the brake pad 53
  • the wire reel 4 is connected to each other, and the wire reel 4 is evenly provided with a locking groove 41.
  • the brake piece 53 is bent and formed with a brake block 54, and the brake block 54 is engaged with the lock.
  • a reinforcing bar 42 for accommodating the wire reel 4 is disposed on the body 1 , and the body 1 is located in the accommodating cavity 42 .
  • a cover plate 43 is rotatably mounted, and the cover plate 43 is mounted with a rotation locking device 44, and the cover plate 43 mounts the wire reel 4 in the accommodating cavity 41 by the rotation locking device 44.
  • the rotation locking device 44 includes a cover card shaft 441 mounted on the body 1 and a knob 442 rotatably mounted on the cover plate 441.
  • the knob 442 is snapped onto the cover card shaft 441.
  • the cover plate 43 is biased in the closing direction, and the knob 442 pivotally mounted on the cover plate 43 is turned to the click.
  • the instruction knob 442 has been engaged in the cover card shaft 441, and the cover plate 43 is already in the locked state. The above structure allows the user to close the cover plate 43 without pulling the knob 442, during the working process.
  • knob 442 Some actions can be reduced; the upper end of the knob 442 is biased, and the knob 442 can be rotated about the knob fixing shaft 448 for rotating the mounting knob 442, under the action of the cover torsion spring on the hinge 43 and the hinge shaft of the body 1. , the cover 43 is automatically opened.
  • the cover card shaft 441 is provided with a card slot 443, and the knob 442 is provided with a leg 444 and a pusher 445, the wire reel
  • the card slot 443 is mounted in the accommodating cavity 42 by the card 444.
  • the front end of the cover card shaft 441 has a transition slope 446, and the card foot 444 passes through the transition slope 446.
  • the card holder 445 is inserted into the card slot 443, and the push pin 445 and the leg 444 are connected by a connecting block 447.
  • the leg 444 on the knob 442 is just stuck in the card slot 443.
  • the cover plate 43 is in the locked state, and the leg 444 of the knob 442 also has a sloped surface, and just coincides with the transition slope 446 on the cover card shaft 441, due to the corresponding correspondence between the cover card shaft 441 and the knob 442
  • the beveling action can rotate the knob 442 against the force of the torsion spring, and no longer need to pull the knob 442 to continue to apply force to the cover plate 43.
  • the knob 442 is Automatically snap into the card slot under the action of the torsion spring In 443, the cover 43 is thereby locked.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Basic Packing Technique (AREA)

Abstract

一种钢筋捆扎机，包括捆扎机本体（1）以及安装在本体内的钢丝绕丝总成（2），本体内还安装有钢丝切断机构（3），钢丝切断机构包括传动装置（31）和出丝块（32），钢丝绕丝总成包括绕丝机构（21）、驱动绕丝机构的驱动装置（22）以及锁定所述绕丝机构的锁定装置（23），绕丝机构上设置有相连通的进退定位槽（211）和旋转凸轮槽（212），锁定装置中的止转固定销（231）在进退定位槽轴向运动，止转固定销在旋转凸轮槽内沿圆周方向滑动。该钢筋捆扎机的有益效果为：通过止转固定销在进退定位槽沿轴向运动和在旋转凸轮槽内沿圆周方向滑动，并且在旋转凸轮槽的侧壁沿套筒（216）的轴向延伸形成倒角结构，防止捆扎机卡死，保证了绕丝机构工作的流畅性。

Description

说 明 书
一种钢筋捆扎机
技术领域
本发明涉及一种钢筋捆扎机。
背景技术
钢筋捆扎器， 具有： 送出被卷在卷线轴上的钢丝等的捆扎线并使其 缠绕在钢筋上的捆扎线送出机构以及将缠绕于钢筋上的捆扎线进行拧转 的捆扎线拧转机构， 通过起动器的操作， 使捆扎线送出机构与捆扎线拧 转机构按顺序动作，完成一套捆扎动作。如中国专利号为 200910203087. 1 的发明专利， 公告日为 2009年 11月 25日， 公布号为 CN101586399 , 公开了 一种钢筋捆扎机， 其具备： 在前端枢装有钩的主套筒、 嵌合在所述主套 筒的内部的前端轴、 形成于所述前端轴的螺旋状的螺纹槽、 从所述主套 筒的外部贯通到内部的嵌合开口、 嵌合于所述嵌合开口且与所述螺纹槽 卡合的键、 设于所述主套筒的外周且覆盖所述键的短套筒、 和形成于所 述短套筒且控制所述主套筒的旋转的卡合单元。 上述结构的钢筋捆扎机 在工作时稳定性相对较低， 而且容易在赃物进入机构内容易卡死。
发明内容
本发明所要解决的技术问题在于克服上述现有技术之不足， 提供一 种定位准确、 安全系数高、 使用寿命长， 可以有效避免出现卡死现象产 生的钢筋捆扎机。
按照本发明提供的一种钢筋捆扎机采用的主要技术方案为： 包括捆 扎机本体以及安装在所述本体内的钢丝绕丝总成， 所述钢丝绕丝总成包 括绕丝机构以及驱动所述绕丝机构的驱动装置， 还包括一锁定装置， 所 述绕丝机构上设置有相连通的进退定位槽和旋转凸轮槽， 所述锁定装置 中的止转固定销在所述进退定位槽轴向运动， 所述止转固定销在所述旋 转凸轮槽内沿圆周方向滑动， 所述本体内还安装有钢丝切断机构， 所述 钢丝绕丝总成中的切丝板与所述钢丝切断机构相连接。
本发明提供的钢筋捆扎机还可具有如下附属技术特征：
所述进退定位槽沿所述绕丝机构轴向设置， 所述旋转凸轮槽沿圆周 方向逐渐变浅， 所述旋转凸轮槽沿所述绕丝机构圆周设置， 所述旋转凸 轮槽的侧壁沿所述套筒的轴向延伸形成倒角结构。 所述绕丝机构包括内芯、 安装在所述内芯上的绕丝嘴以及驱动所述 内芯的丝杆， 所述内芯和所述丝杆安装在一套筒内， 所述进退定位槽和 所述旋转凸轮槽设置在所述套筒上， 所述套筒上设置有一固定套， 所述 丝杆上设置有螺纹块， 所述螺纹块通过固定套与所述套筒相连接， 所述 绕丝机构还包括一切丝板， 所述切丝板通过所述固定套安装在所述套筒 上。
所述锁定装置还包括固定座以及安装在所述固定座上的连接板， 所 述止转固定销安装在所述连接板上， 所述固定座上设置带有复位弹簧的 固定轴， 所述连接板安装在所述固定轴上。
所述驱动装置包括驱动电机以及与所述驱动电机相连接的传动齿轮 组， 所述传动齿轮组与所述丝杆相连接。
所述钢丝切断机构包括传动装置、 出丝块以及直线切断装置， 所述 传动装置与所述直线切断装置相连接， 所述出丝块具有一出丝通道， 所 述出丝块上还设置有一与所述出丝通道相交的滑槽， 所述直线切断装置 中的切丝刀在与所述滑槽直线滑动。
所述锁定装置还包括一底座， 所述底座上具有一突台， 所述突台内 部中空， 所述止转固定销设置在所述突台内， 所述止转固定销与所述突 台之间设置有复位弹簧， 所述底座与所述突台之间成型有加强筋。
所述直线切断装置包括与所述切丝刀相连接的摆动件， 所述摆动件 中的驱动脚与所述传动装置相连接， 所述摆动件中的联动脚通过连接片 与所述切丝刀相连接， 所述传动装置包括通过连接销相连接的大拔叉和 小拔叉以及与所述大拨叉相连接的下动板， 所述小拔叉通过一连杆与所 述摆动件相连接。
所述本体的前端设置有导向部， 所述导向部前端弯曲成圆弧状， 所 述摆动件通过一衬套转动安装在所述导向部上， 所述出丝块安装在所述 导向部的前端， 所述导向部上设置有腰型孔， 所述驱动脚可在所述腰型 孔内滑动与所述连杆相连接， 所述导向部上设置有导丝块， 所述导丝块 上设置有导丝柱， 钢丝通过导丝柱引入所述出丝块， 所述大拔叉和所述 小拔叉转动安装在所述导向部上， 所述大拔叉和所述小拔叉上设置有触 脚， 所述触脚顶靠在所述切丝板上。 所述导向部中的出丝通道内安装有导丝弹片， 所述导丝弹片的两端 均弯折形成有固定片， 所述导丝弹片通过所述固定片安装在所述导向部 上， 所述导丝弹片上具有向下弯折形成的导引部， 所述导引部与所述出 丝通道相配合。
所述本体上可旋转的安装有钢丝卷筒以及限制所述钢丝卷筒转动的 丝盘制动机构， 所述导向部上安装有一驱动所述丝盘制动机构的动力传 动装置， 所述动力传动装置与所述切丝板相连接， 所述动力传动装置包 括制动板以及通过下连杆与所述制动板相连接的联动板， 所述联动板与 所述丝盘制动机构相连接， 所述制动板抵靠在所述切丝板上， 所述丝盘 制动机构包括制动轴以及转动安装在所述制动轴上的制动片和制动摇 臂， 所述制动片与所述钢丝卷筒相连接， 所述钢丝卷筒上均匀设置有锁 定槽， 所述制动片上弯折形成有制动块， 所述制动块卡接在所述锁定槽 内。
在所述本体上设置有容置所述钢丝卷筒的容置腔， 所述本体上位于 所述容置腔处转动安装有盖板， 所述盖板上安装有旋转锁定装置， 所述 盖板通过所述旋转锁定装置将所述钢丝卷筒安装在所述容置腔内。
所述旋转锁定装置包括安装在所述本体上的盖板卡轴以及转动安装 在所述盖板上的旋钮， 所述旋钮卡接在所述盖板卡轴上， 所述盖板卡轴 上开设有卡槽， 所述旋钮上设置有一卡脚和推把， 所述钢丝卷筒通过所 述卡脚卡接所述卡槽安装在所述容置腔内， 所述盖板卡轴的前端具有一 过渡斜面， 所述卡脚通过所述过渡斜面卡入所述卡槽内， 所述推把与所 述卡脚之间通过连接块相连接。
采用本发明提供的钢筋捆扎机带来的有益效果为：
1、 通过止转固定销在所述进退定位槽轴向运动， 止转固定销在旋转 凸轮槽内沿圆周方向滑动， 使得钢丝绕丝总成的定位更加准确， 并且通 过进退定位槽和旋转凸轮槽提高了整体工作时的安全系数； 通过所述旋 转凸轮槽的侧壁沿所述套筒的轴向延伸形成倒角结构， 防止卡死， 保证 了绕丝机构工作的流畅性， 减少了部件的磨损， 延长使用寿命；
2、 本发明增大了大小拔叉的驱动力臂， 使钢丝切断更轻松， 从而有 效地降低了驱动电机的负截， 达到了节电效果， 使同一电池的工作量更 多； 本发明在大小拔叉上均设计了触脚， 通过触脚顶靠在出丝板， 使得 出丝板上具有两个着力点且同时受力， 从而使整个机构受力更均匀平稳; 通过在出丝块上设置与出丝通道相交的滑槽， 切丝刀可以在滑槽内直线 滑动实现对钢丝的切断， 通过采用此直线运动机构， 使得捆扎机对加工 要求不高， 易于安装且生产成本低；
3、 通过在捆扎机本体上安装了旋转锁定装置， 不仅可以将钢丝卷筒 安装在本体上， 还可以使得安装在本体上的盖板完全打开， 对于装卸丝 盘无干扰， 能够很方便对钢丝卷筒拆卸和安装， 在关闭盖板时， 不需要 去拔动旋钮， 在工作过程中可减少一些动作；
4、 采用机械式连杆联动， 借助绕丝总成的进退位置来确定丝盘的制 动及松开， 结构简单， 制造安装方便， 不受外部条件及环境因素影响， 丝盘制动完全由扭簧的弹力作用实现制动， 不需要使用任何电源， 不需 任何电器控制线路及元件， 达到节电、 降低成本的效果。
附图说明
图 1为本发明所述的钢筋捆扎机的内部结构图。
图 2为本发明所述的钢筋捆扎机中钢丝绕丝总成的结构图。
图 3为本发明所述的钢筋捆扎机中绕丝机构的结构图。
图 4为本发明所述的钢筋捆扎机中绕丝机构的剖视图。
图 5为本发明所述的钢筋捆扎机中绕丝机构的内部结构图。
图 6为本发明所述的钢筋捆扎机中套筒的结构图。
图 7为本发明所述的钢筋捆扎机中锁定装置实施例一的结构图。
图 8为本发明所述的钢筋捆扎机的立体结构图。
图 9为本发明所述的钢筋捆扎机另一视角的内部结构图。
图 10为本发明所述的钢筋捆扎机中消除钢丝卷筒的结构图。
图 11为本发明所述的钢筋捆扎机中钢丝切断机构的结构图。
图 12为本发明所述的钢筋捆扎机中钢丝切断机构的主视图。
图 13为本发明所述的钢筋捆扎机中摆动件的结构图。
图 14为本发明所述的钢筋捆扎机中钢丝切断机构的分解结构图。 图 15为本发明所述的钢筋捆扎机中锁定装置实施例二的结构图。 图 16为本发明所述的钢筋捆扎机中导丝弹片的结构图。
图 17为本发明所述的钢筋捆扎机中丝盘制动机构的结构图。
图 18为本发明所述的钢筋捆扎机中钢丝卷筒的结构图。 图 19为本发明所述的钢筋捆扎机旋转锁定装置的剖视图。
图 20为本发明所述的钢筋捆扎机中盖板的结构图。
图 21为本发明所述的钢筋捆扎机中盖板卡轴的结构图。
具体实施方式
下面结合附图对本发明做进一步的详述：
如图 1至图 19所示， 按照本发明提供的一种钢筋捆扎机的实施例， 包 括捆扎机本体 1以及安装在所述本体 1内的钢丝绕丝总成 2， 所述钢丝绕丝 总成 2包括绕丝机构 21、 驱动所述绕丝机构 21的驱动装置 22以及锁定所述 绕丝机构 21的锁定装置 23， 所述绕丝机构 21上设置有相连通的进退定位 槽 211和旋转凸轮槽 212， 所述锁定装置 23中的止转固定销 231在所述进退 定位槽 211轴向运动， 所述止转固定销 231在所述旋转凸轮槽 212内沿圆周 方向滑动， 所述本体 1内还安装有钢丝切断机构 3， 所述钢丝绕丝总成 2中 的切丝板 24与所述钢丝切断机构 3相连接。 在进行工作时， 所述的绕丝机 构 21在驱动装置 22的作用下内部开始旋转工作， 此时锁定装置 23中的止 转固定销 231位于所述进退定位槽 211中， 此时绕丝机构 21只能前进或后 退而无法旋转， 当绕丝机构 21前进一段距离后， 止转固定销 231会滑出进 退定位槽 211进入所述的旋转凸轮槽 212， 所述止转固定销 231可以在旋转 凸轮槽 212内沿圆周方向滑动， 此时的绕丝机构 21可以旋转， 通过上述结 构的设置，使得钢丝绕丝总成 2的定位更加准确，并且通过进退定位槽 211 和旋转凸轮槽 212提高了整体工作时的安全系数。
参见图 1至图 19，按照本发明提供的钢筋捆扎机，所述进退定位槽 211 和所述旋转凸轮槽 212对称设置为两个， 基本保证了绕丝机构 21在最多转 动半周时， 止转固定销 231就能进入定位槽中， 使套筒作后退直线运动， 节约了回位时间， 使一个工作循环周期缩短， 提高了工作效率。
参见图 1至图 6， 按照本发明提供的钢筋捆扎机， 所述进退定位槽 211 沿所述绕丝机构 21轴向设置， 所述旋转凸轮槽 212沿所述绕丝机构 21圆周 设置， 通过上述结构设置， 保证了锁定装置 23中的止转固定销 231可以准 确的沿绕丝机构 21的轴向和圆周方向运动， 同时也保证了绕丝机构 21工 作的稳定性和准确性； 所述旋转凸轮槽 212沿圆周方向逐渐变浅， 所述旋 转凸轮槽 212的侧壁沿所述套筒 216的轴向延伸形成倒角结构， 通过该倒 角结构， 防止在驱动装置 22反转， 套筒 216后退时， 止转固定销 231在旋 转凸轮槽 212中卡死。
参见图 1至图 6， 按照本发明提供的钢筋捆扎机， 所述绕丝机构 21包 括内芯 213、 安装在所述内芯 213上的绕丝嘴 214以及驱动所述内芯 213的 丝杆 215， 所述内芯 213和所述丝杆 215安装在一套筒 216内， 所述进退定 位槽 211和所述旋转凸轮槽 212设置在所述套筒 216上， 所述套筒 216上设 置有一固定套 217， 所述丝杆 215上设置有螺纹块 218， 所述螺纹块 218通 过固定套 217与所述套筒 216相连接， 在进行工作时， 驱动装置 22驱动丝 杆 215转动， 在转动过程中， 丝杆 215驱动内芯 213打开绕丝嘴 214， 由于 在丝杆 215上具有螺旋结构， 在套接在丝杆 215外的套筒 216上安装有与丝 杆 215上螺旋结构配合的螺纹块 218， 此时止转固定销 231位于套筒 215上 的进退定位槽 211中， 在丝杆 215和螺纹块 218的作用下只能做前行直线移 动， 套筒 216在前移时， 绕丝嘴 214移动至钢丝位置且夹住钢丝， 在套筒 216前移至此位置时， 锁定装置 23上的止转固定销 231相对套筒 216后移至 旋转凸轮槽 212位置， 此时止转固定销 231无法限制套筒 216旋转， 此时螺 纹块也移至丝杆的上的螺旋结构的顶端， 丝杆通过螺纹块与套筒及绕丝 嘴 214连成整体旋转， 将夹住的钢丝扭转， 实现绕丝动作； 旋转结束后， 驱动装置 22开始驱动丝杆 215反转， 套筒 216也随之后退与反转， 由于旋 转凸轮槽 212是单一方向，止转固定销 231卡入槽中，限制了套筒 216旋转， 在丝杆 215的作用下， 只能作后退直线移动， 止转固定销 231进入进退定 位槽 211中， 驱动装置 22停止工作， 绕丝机构 21固定在正确的待机位置， 进入下一次工作状态。
参见图 1至图 3， 按照本发明提供的钢筋捆扎机， 所述绕丝机构 21还 包括一切丝板 24， 所述切丝板 24通过所述固定套 217安装在所述套筒 216 上， 所述绕丝机构 21中的切丝板 24与所述直线切断装置 33相连接， 切丝 板 24与捆扎机本体 1上的直线切断装置 33相连接， 驱动装置 22在驱动绕丝 机构 21前进的过程中， 切丝板 24向前行进推动直线切断装置 33切断钢丝。
参见图 2， 按照本发明提供的钢筋捆扎机， 所述驱动装置 22包括驱动 电机 221以及与所述驱动电机 221相连接的传动齿轮组 222， 所述传动齿轮 组 222与所述丝杆 215相连接， 驱动装置 22中的驱动电机 221为丝杆 215的 旋转和反转提供动力， 通过与丝杆 215连接的传动齿轮组 222将驱动电机 221输出的动力传递给丝杆 215， 本发明提供的钢丝绕丝总成 2中的传动齿 轮组 222采用了行星齿轮组的传动形式， 但并不局限于此， 还可以采用其 他的传动形式， 因此， 在传动方式上采用常规的技术手段实现动力传动 也在本发明的保护范围内。
在本发明中， 锁定装置列举出了两种实施例， 下面对这两种实施例 进行详细说明：
实施例一
参见图 7， 按照本发明提供的钢筋捆扎机， 所述锁定装置 23还包括固 定座 232以及安装在所述固定座 232上的连接板 233， 所述止转固定销 231 安装在所述连接板 233上， 所述固定座 232上设置带有复位弹簧 234的固定 轴 235， 所述连接板 233安装在所述固定轴 234上， 通过在套筒 216外壁上 设置进退定位槽 211和旋转凸轮槽 212以及固定轴 234上的复位弹簧 235相 配合， 有效的避免了因赃物的进入导致卡死的现象， 提高了产品的使用 寿命。
实施例二
参见图 15， 按照本发明提供的钢筋捆扎机， 所述锁定装置 23还包括 一底座 236， 所述底座 236上具有一突台 237， 所述突台 237内部中空， 所 述止转固定销 231设置在所述突台 237内， 所述止转固定销 231与所述突台 237之间设置有复位弹簧 234， 所述底座 236与所述突台 237之间成型有加 强筋 238以增强连接强度， 通过其中的止转固定销与进退定位槽 211和旋 转定位槽 212的相互配合使得绕丝总成在进行工作时， 根据具体情况实现 自动旋转和停止旋转， 提高了整体工作时的安全系数。
参见图 11至图 14， 按照本发明提供的钢筋捆扎机， 所述钢丝切断机 构 3包括传动装置 31、 出丝块 32以及直线切断装置 33， 所述传动装置 31与 所述直线切断装置 33相连接， 所述出丝块 32具有一出丝通道 321， 所述出 丝块 32上还设置有一与所述出丝通道 321相交的滑槽 322， 所述直线切断 装置 33中的切丝刀 323在与所述滑槽 322直线滑动， 在出丝块 32内设置与 出丝通道 321相交的滑槽 322， 钢丝进入出丝块 32内的出丝通道 321， 传动 装置 22驱动直线切断装置 33中的切丝刀 323在滑槽 322中直线进给从而切 断钢丝， 通过采用此直线运动机构， 降低了加工要求， 易于安装且生产 成本低。 参见图 11至图 14， 按照本发明提供的钢筋捆扎机， 所述直线切断装 置 33包括与所述切丝刀 323相连接的摆动件 331， 所述摆动件 331中的驱动 脚 332与所述传动装置 31相连接， 所述摆动件 331中的联动脚 333通过连接 片 334与所述切丝刀 323相连接， 所述传动装置 31包括通过连接销 311相连 接的大拔叉 312和小拔叉 313以及与所述大拨叉 312相连接的下动板 314， 所述小拔叉 313通过一连杆 315与所述摆动件 331相连接。
参见图 8和图 14， 按照本发明提供的钢筋捆扎机， 所述本体 1的前端 设置有导向部 11， 所述导向部 11前端弯曲成圆弧状， 所述摆动件 331通过 一衬套 12转动安装在所述导向部 11上， 所述出丝块 32安装在所述导向部 11的前端， 所述导向部 11上设置有腰型孔 13， 所述驱动脚 333可在所述腰 型孔 13内滑动与所述连杆 315相连接， 所述导向部 11上设置有导丝块 14， 所述导丝块 14上设置有导丝柱 15， 钢丝通过导丝柱 15引入所述出丝块 32， 所述大拔叉 312和所述小拔叉 313转动安装在所述导向部 11上， 所述大拔 叉 312和所述小拔叉 313上设置有触脚 16， 所述触脚 16顶靠在所述切丝板 24上。
参见图 8和图 16， 按照本发明提供的钢筋捆扎机， 所述导向部 11中的 出丝通道 321内安装有导丝弹片 18， 所述导丝弹片 18的两端均弯折形成有 固定片 181， 所述导丝弹片 18通过所述固定片 181安装在所述导向部 11上， 所述导丝弹片 18上具有一向下弯折形成的导引部 182， 所述导引部 182与 所述出丝通道 321相配合。
参见图 8至图 10、 图 17和图 18， 按照本发明提供的钢筋捆扎机， 所述 本体 1上可旋转的安装有钢丝卷筒 4以及限制所述钢丝卷筒 4转动的丝盘 制动机构 5， 所述导向部 11上安装有一驱动所述丝盘制动机构 5的动力传 动装置 6， 所述动力传动装置 6与所述切丝板 24相连接， 所述动力传动装 置 6包括制动板 61以及通过下连杆 62与所述制动板 61相连接的联动板 63， 所述联动板 63与所述丝盘制动机构 5相连接， 所述制动板 61抵靠在所述切 丝板 24上， 所述丝盘制动机构 5包括制动轴 51以及转动安装在所述制动轴 51上的制动片 52和制动摇臂 53， 所述制动片 53与所述钢丝卷筒 4相连接， 所述钢丝卷筒 4上均匀设置有锁定槽 41， 所述制动片 53上弯折形成有制动 块 54， 所述制动块 54卡接在所述锁定槽 41内。 参见图 8至图 21， 按照本发明提供的钢筋捆扎机， 在所述本体 1上设 置有容置所述钢丝卷筒 4的容置腔 42， 所述本体 1上位于所述容置腔 42处 转动安装有盖板 43， 所述盖板 43上安装有旋转锁定装置 44， 所述盖板 43 通过所述旋转锁定装置 44将所述钢丝卷筒 4安装在所述容置腔 41内。通过 在捆扎机本体 1上安装了旋转锁定装置 44， 不仅可以将钢丝卷筒 4安装在 本体 1上， 还可以使得安装在本体 1上的盖板 43完全打开， 对于装卸钢丝 卷筒 4无干扰， 能够很方便对钢丝卷筒 4进行拆卸和安装。
参见图 8至图 21， 按照本发明提供的钢筋捆扎机， 所述旋转锁定装置 44包括安装在所述本体 1上的盖板卡轴 441以及转动安装在所述盖板 441 上的旋钮 442， 所述旋钮 442卡接在所述盖板卡轴 441上， 在装上钢丝卷筒 2后， 将盖板 43向关闭方向施力， 在转动安装在盖板 43上的旋钮 442转到 有喀嚓感时， 说明旋钮 442已卡入盖板卡轴 441中， 此时盖板 43已在锁止 状态， 上述结构可以让使用者不需要去拔动旋钮 442就可以关闭盖板 43， 在工作过程中可减少一些动作； 向旋钮 442上端部施力， 旋钮 442可绕用 于转动安装旋钮 442的旋钮固定轴 448旋转， 在盖板 43与本体 1的铰接轴上 的盖板扭簧的作用下， 盖板 43自动打开。
参见图 19至图 21， 按照本发明提供的钢筋捆扎机， 所述盖板卡轴 441 上开设有卡槽 443， 所述旋钮 442上设置有一卡脚 444和推把 445， 所述钢 丝卷筒 4通过所述卡脚 444卡接所述卡槽 443安装在所述容置腔 42内， 所述 盖板卡轴 441的前端具有一过渡斜面 446， 所述卡脚 444通过所述过渡斜面 446卡入所述卡槽 443内， 所述推把 445与所述卡脚 444之间通过连接块 447 相连接， 在盖板 43关闭时， 旋钮 442上的卡脚 444刚好卡在卡槽 443中， 从 而使盖板 43处于锁定状态， 旋钮 442的卡脚 444上同样具有一斜面， 且刚 好与盖板卡轴 441上的过渡斜面 446相配合， 由于盖板卡轴 441与旋钮 442 的对应的斜面作用， 可使旋钮 442克服扭簧的作用力而旋转， 从而不需拔 动旋钮 442继续向盖板 43施力， 待关至盖板卡轴 441上卡槽 443的位置时， 旋钮 442在扭簧的作用下， 自动卡入卡槽 443中， 从而锁定盖板 43。

Claims

权 利 要 求 书
1、 一种钢筋捆扎机， 包括捆扎机本体以及安装在所述本体内的钢丝 绕丝总成， 其特征在于： 所述钢丝绕丝总成包括绕丝机构以及驱动所述 绕丝机构的驱动装置， 还包括一锁定装置， 所述绕丝机构上设置有相连 通的进退定位槽和旋转凸轮槽， 所述锁定装置中的止转固定销在所述进 退定位槽轴向运动， 所述止转固定销在所述旋转凸轮槽内沿圆周方向滑 动， 所述本体内还安装有钢丝切断机构， 所述钢丝绕丝总成中的切丝板 与所述钢丝切断机构相连接。
2、 如权利要求 1所述的钢筋捆扎机， 其特征在于： 所述进退定位槽 沿所述绕丝机构轴向设置， 所述旋转凸轮槽沿圆周方向逐渐变浅， 所述 旋转凸轮槽沿所述绕丝机构圆周设置， 所述旋转凸轮槽的侧壁沿所述套 筒的轴向延伸形成倒角结构。
3、 如权利要求 1所述的钢筋捆扎机， 其特征在于： 所述绕丝机构包 括内芯、 安装在所述内芯上的绕丝嘴以及驱动所述内芯的丝杆， 所述内 芯和所述丝杆安装在一套筒内， 所述进退定位槽和所述旋转凸轮槽设置 在所述套筒上， 所述套筒上设置有一固定套， 所述丝杆上设置有螺纹块， 所述螺纹块通过固定套与所述套筒相连接， 所述绕丝机构还包括一切丝 板， 所述切丝板通过所述固定套安装在所述套筒上。
4、 如权利要求 1所述的钢筋捆扎机， 其特征在于： 所述锁定装置还 包括固定座以及安装在所述固定座上的连接板， 所述止转固定销安装在 所述连接板上， 所述固定座上设置带有复位弹簧的固定轴， 所述连接板 安装在所述固定轴上。
5、 如权利要求 3所述的钢筋捆扎机， 其特征在于： 所述驱动装置包 括驱动电机以及与所述驱动电机相连接的传动齿轮组， 所述传动齿轮组 与所述丝杆相连接。
6、 如权利要求 1所述的钢筋捆扎机， 其特征在于： 所述本体内还安 装有钢丝切断机构， 所述钢丝切断机构包括传动装置、 出丝块以及直线 切断装置， 所述传动装置与所述直线切断装置相连接， 所述出丝块具有 一出丝通道， 所述出丝块上还设置有一与所述出丝通道相交的滑槽， 所 述直线切断装置中的切丝刀在与所述滑槽直线滑动。
7、 如权利要求 1所述的钢筋捆扎机， 其特征在于： 所述锁定装置还 包括一底座， 所述底座上具有一突台， 所述突台内部中空， 所述止转固 定销设置在所述突台内， 所述止转固定销与所述突台之间设置有复位弹 簧， 所述底座与所述突台之间成型有加强筋。
8、 如权利要求 2所述的钢筋捆扎机， 其特征在于： 所述直线切断装 置包括与所述切丝刀相连接的摆动件， 所述摆动件中的驱动脚与所述传 动装置相连接， 所述摆动件中的联动脚通过连接片与所述切丝刀相连接， 所述传动装置包括通过连接销相连接的大拔叉和小拔叉以及与所述大拨 叉相连接的下动板， 所述小拔叉通过一连杆与所述摆动件相连接。
9、 如权利要求 8所述的钢筋捆扎机， 其特征在于： 所述本体的前端 设置有导向部， 所述导向部前端弯曲成圆弧状， 所述摆动件通过一衬套 转动安装在所述导向部上， 所述出丝块安装在所述导向部的前端， 所述 导向部上设置有腰型孔， 所述驱动脚可在所述腰型孔内滑动与所述连杆 相连接， 所述导向部上设置有导丝块， 所述导丝块上设置有导丝柱， 钢 丝通过导丝柱引入所述出丝块， 所述大拔叉和所述小拔叉转动安装在所 述导向部上， 所述大拔叉和所述小拔叉上设置有触脚， 所述触脚顶靠在 所述切丝板上。
10、 如权利要求 9所述的钢筋捆扎机， 其特征在于： 所述导向部中的 出丝通道内安装有导丝弹片， 所述导丝弹片的两端均弯折形成有固定片， 所述导丝弹片通过所述固定片安装在所述导向部上， 所述导丝弹片上具 有一向下弯折形成的导引部， 所述导引部与所述出丝通道相配合。
11、 如权利要求 5所述的钢筋捆扎机， 其特征在于： 所述本体上可旋 转的安装有钢丝卷筒以及限制所述钢丝卷筒转动的丝盘制动机构， 所述 导向部上安装有一驱动所述丝盘制动机构的动力传动装置， 所述动力传 动装置与所述切丝板相连接， 所述动力传动装置包括制动板以及通过下 连杆与所述制动板相连接的联动板， 所述联动板与所述丝盘制动机构相 连接， 所述制动板抵靠在所述切丝板上， 所述丝盘制动机构包括制动轴 以及转动安装在所述制动轴上的制动片和制动摇臂， 所述制动片与所述 钢丝卷筒相连接， 所述钢丝卷筒上均匀设置有锁定槽， 所述制动片上弯 折形成有制动块， 所述制动块卡接在所述锁定槽内。
12、 如权利要求 11所述的钢筋捆扎机， 其特征在于： 在所述本体上 设置有容置所述钢丝卷筒的容置腔， 所述本体上位于所述容置腔处转动 安装有盖板， 所述盖板上安装有旋转锁定装置， 所述盖板通过所述旋转 锁定装置将所述钢丝卷筒安装在所述容置腔内。
13、 如权利要求 12所述的钢筋捆扎机， 其特征在于： 所述旋转锁定 装置包括安装在所述本体上的盖板卡轴以及转动安装在所述盖板上的旋 钮， 所述旋钮卡接在所述盖板卡轴上， 所述盖板卡轴上开设有卡槽， 所 述旋钮上设置有一卡脚和推把， 所述钢丝卷筒通过所述卡脚卡接所述卡 槽安装在所述容置腔内， 所述盖板卡轴的前端具有一过渡斜面， 所述卡 脚通过所述过渡斜面卡入所述卡槽内， 所述推把与所述卡脚之间通过连 接块相连接。
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