CN202106295U - Workpiece supplying and discharging device - Google Patents
Workpiece supplying and discharging device Download PDFInfo
- Publication number
- CN202106295U CN202106295U CN2011201078166U CN201120107816U CN202106295U CN 202106295 U CN202106295 U CN 202106295U CN 2011201078166 U CN2011201078166 U CN 2011201078166U CN 201120107816 U CN201120107816 U CN 201120107816U CN 202106295 U CN202106295 U CN 202106295U
- Authority
- CN
- China
- Prior art keywords
- maintaining part
- workpiece
- arm
- fixed claw
- raceway
- 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.)
- Expired - Lifetime
Links
- 238000007599 discharging Methods 0.000 title abstract 5
- 210000000078 claw Anatomy 0.000 claims description 60
- 230000002093 peripheral effect Effects 0.000 claims description 28
- 238000000227 grinding Methods 0.000 description 22
- 238000000034 method Methods 0.000 description 10
- 239000012530 fluid Substances 0.000 description 9
- 230000007246 mechanism Effects 0.000 description 9
- 229910001651 emery Inorganic materials 0.000 description 4
- 238000005259 measurement Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000004941 influx Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Images
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model provides a double-arm workpiece supplying and discharging device, which can enable the size of a workpiece on a processing position to be stable and comprises a first arm (10) and a second arm (21). The first arm (10) enables a first holding portion (11) to rotate along a first roller path (13), and the second arm (20) enables a second holding portion (21) to rotate along a second roller path (23) located on a processing position WP and a supplying and discharging position TP of the first roller path (13). The first holding portion (11) and the second holding portion (21) enable a workpiece W to be carried from one position of the processing position WP and the supplying and discharging position TP to another position of the processing position WP and the supplying and discharging position TP or from the another position to the one position simultaneously. A fixed jaw (42) of the first holding portion (11) and a fixed jaw (46) of the second holding portion (21) are respectively provided with an inner periphery with the same shape.
Description
Technical field
The utility model relates to a kind of Workpiece supply discharger, and it discharges annular workpieces such as bearing ring to processing portion supply of lathes such as milling drum or from processing portion.
Background technology
In the past, there was a kind of so-called double-arm supply discharger to annular workpieces such as lathe supply, discharge rolling bearing lassos.This supply discharger comprises the first arm; It makes first maintaining part rotate along first raceway; Second arm, it makes second maintaining part along being rotated through second raceway that is positioned at the Working position on first raceway and supplies with drain position.First maintaining part and second maintaining part keep workpiece respectively one by one; When preventing the phase mutual interference when first maintaining part when Working position and a position of supplying with drain position move to another position, second maintaining part moves to a position (for example with reference to patent documentation 1) from Working position and another position of supplying with drain position.
The prior art document
Patent documentation: TOHKEMY 2008-188686 communique
Workpiece is transported to Working position by first maintaining part or second maintaining part, implements processing such as grinding for workpiece.At this moment, workpiece is configured in grinding position, and maintaining part is injected grinding fluid not wait near grinding position with the workpiece state of contact from the both sides of workpiece.Workpiece like bearing ring, forms the raceway groove through grinding.By first maintaining part and the second maintaining part Alternating Transportation, so near the shape of the maintaining part of grinding position, waiting for is not simultaneously, it is different then to inject the amount of grinding fluid to workpiece in grinding position for workpiece, and it is different to cause flowing to the amount of savings of water of raceway groove.On the other hand, adopt during grinding the in-process gaging appearance to measure the size of raceway groove.Yet the in-process gaging appearance is measured and is comprised ponding in interior size, thereby exists the workpiece size processed according to the difference of water accumulating volume and different problems.
The utility model content
The utility model proposes in order to address the above problem, and its purpose is, provides a kind of and can on Working position, make the stable double-arm Workpiece supply discharger of being processed of workpiece size.
The utility model adopts following structure to achieve these goals.
(1) a kind of Workpiece supply discharger is characterized in that having:
First maintaining part, it keeps workpiece through circular-arc fixed claw and the movable claw that is disposed at the fixed claw inner peripheral outside;
The first arm, it is rotatable so that move said first maintaining part along axial first raceway of first rotation;
Second maintaining part, it keeps workpiece through circular-arc fixed claw and the movable claw that is disposed at the fixed claw inner peripheral outside;
Second arm, its rotatable so that around second rotating shaft that is different from said first rotating shaft along moving said second maintaining part through second raceway that is positioned at the Working position on said first raceway and supplies with drain position,
The inner peripheral of the inner peripheral of the said first maintaining part fixed claw and the said second maintaining part fixed claw has same shape.
(2) according to above-mentioned (1) described Workpiece supply discharger, it is characterized in that: the inner peripheral of the inner peripheral of the first maintaining part fixed claw and the second maintaining part fixed claw all has the circular shape greater than 180 degree.
Workpiece supply discharger according to the utility model; The inner peripheral that the fixed claw through making first maintaining part and the fixed claw of second maintaining part have same shape; Near the maintaining part of then Working position, waiting for is any one of first maintaining part and second maintaining part; The grinding fluid etc. that is injected into workpiece at Working position for the influence that measurement brought of in-process gaging appearance much at one, and the in-process gaging appearance can be monitored workpiece size under equal state.Therefore, can eliminate the error of the workpiece size of being processed.
Description of drawings
Fig. 1 is the pith stereogram of the Workpiece supply discharger of the utility model.
Fig. 2 is the front view of the Workpiece supply discharger of Fig. 1.
Fig. 3 is the stereogram of the first maintaining part fixed claw of Workpiece supply discharger.
Fig. 4 is the stereogram of the second maintaining part fixed claw of Workpiece supply discharger.
Fig. 5 illustrates the schematic cross-section that the workpiece that first maintaining part or second maintaining part of the Workpiece supply discharger of the utility model are carried adds man-hour.
The drawing reference numeral explanation
1 Workpiece supply discharger
10 the first arms
11 first maintaining parts
12 first rotating shafts
13 first raceways
20 second arms
21 second maintaining parts
22 second rotating shafts
23 second raceways
30 conveying mechanisms
31 chuck portions
41 fixed claws
42 movable claws
45 fixed claws
46 movable claws
100 in-process gaging appearance
101 probes
102 raceway grooves
103 grinding fluids
104 emery wheels
The tie line of the L first and second rotating shaft
TP supplies with drain position
W annular work piece (workpiece)
The WP Working position
The specific embodiment
Below, be elaborated with reference to the embodiment of accompanying drawing to the Workpiece supply discharger of the utility model.
As depicted in figs. 1 and 2, the Workpiece supply discharger 1 of this embodiment comprises the first arm 10, and it has first maintaining part 11; Second arm 20, it has second maintaining part 21, and conveying mechanism 30, and it has chuck portion 31.
The first arm 10 can be that pivot is rotated with first rotating shaft 12, and first maintaining part 11 is moved along first raceway 13 (with reference to Fig. 2) around first rotating shaft 12.Base station (not shown) at Workpiece supply discharger 1 is fixed with first servo motor 15 as drive unit, is fixed on the belt pulley 17 on its rotating shaft 16 and is fixed between the belt pulley 14 on first rotating shaft 12 to be wound with belt 18.The rotation of first servo motor 15 passes to first rotating shaft 12 via belt pulley 17, belt 18 and belt pulley 14 and makes the first arm 10 swing rotations.
First maintaining part 11 that is disposed at the front end of the first arm 10 comprises fixed claw 42, and it is fixed on the first arm 10; And movable claw 41, it is that swing freely at the center through not shown switching mechanisms such as air cylinder device with pin 43., be formed with the rib 51 (with reference to Fig. 3) of fixed claw 42 here, fixed claw 42 is fixed on the first arm 10 via pin 50.Be formed with the pin-and-hole 50a that is used to pass pin 50 in the mounting portion of fixed claw 42.And fixed claw 42 and movable claw 41 for example constitute the corresponding circular shape of outer peripheral face with annular work piece W such as bearing ring, and annular work piece W is kept from its radial direction both sides.
As shown in Figure 3, fixed claw 42 is in rib 51 formed scopes, and its cross section forms roughly L font, can keep workpiece W.
In addition, the inner peripheral of fixed claw 42 has the circular shape greater than 180 degree.Movable claw 41 is configured in the inner peripheral outside of fixed claw 42.
Moreover, in this embodiment, fixed claw 42 and movable claw 41 and after the fixed claw 46 stated have profile how many bigger maintenance faces of radius of curvature with movable claw 45 than workpiece W, do not contact man-hour adding guaranteeing with workpiece W.Thus, when carrying, workpiece W is held through gravity, centrifugal force and these pawls 41,42,45,46 butts.
Second maintaining part 21 that is disposed at the front end of second arm 20 comprises fixed claw 46, and it is disposed at the front of second arm 20 and has bigger circular shape part; And movable claw 45, its through not shown switching mechanisms such as air cylinder device with pin 47 be center swing freely and have a less circular portion.Here, near the position the front end of the rib 61 of fixed claw 46 is provided with pin-and-hole 60a, and fixed claw 46 is fixed on second arm 20 through pin 60 via this pin-and-hole 60a.In addition, thus fixed claw 46 for example the outer peripheral face of annular work piece W such as bearing ring is clamped the position of restriction workpiece W from its radial direction outside with movable claw 45 and keeps.
As shown in Figure 4, fixed claw 46 is in rib 61 formed scopes, and its cross section forms roughly L font, can keep workpiece W.In addition, the inner peripheral of fixed claw 46 is the circular arc greater than 180 degree, has the same shape of inner peripheral with the fixed claw 42 of first maintaining part 12.Movable claw 45 is configured in the inner peripheral outside of fixed claw 46.
The 1st servo motor 15 and second servo motor 25 are controlled as simultaneously by different each other direction swing rotations.In view of the above, first and second maintaining part 11,21 synchronously moves to another position at first raceway 13 and second raceway 23 from a position of supplying with drain position TP and Working position WP, or moves to a position from another position.
And the side at the mobile space of first and second maintaining part 11,21 disposes guide plate 48 along moving direction.The workpiece W that can prevent through this guide plate 48 to be kept carrying by first and second maintaining part 11,21 comes off.
The conveying mechanism 30 of this embodiment has chuck portion 31, and this conveying mechanism 30 is for example to be gantry loading machine with supplying with the mechanism that moves by horizontal direction A and vertical direction B between the drain position TP at the device of not shown last operation and back one operation.Chuck portion 31 have a pair of through drive units such as air cylinder device (not shown) by each other near or the direction of separating move control arm 32,33 freely, utilize the outer peripheral face of control arm 32,33 clamping workpiece W and control workpiece.In addition, accept unprocessed workpiece W and be provided to supply with drain position TP from the device of last operation.And, accept the workpiece of completion of processing and be discharged in the device of back one operation supplying with drain position TP.
Moreover the axial end that control arm 32,33 also can clamping workpiece W is also controlled workpiece.
Fig. 5 illustrates the cutaway view that the workpiece W as first maintaining part 11 in the Workpiece supply discharger of the utility model embodiment or 21 conveyings of second maintaining part is added man-hour.
In the example of Fig. 4, workpiece W is a bearing outer ring, and the inner peripheral surface of 104 couples of workpiece W of emery wheel through rotation carries out grinding and forms raceway groove 102.At this moment, first maintaining part 11 of conveying workpieces W or second maintaining part 21 be not to wait near grinding position with workpiece W state of contact.On the other hand, workpiece W is kept by not shown magnetic chuck and rotates.Thus, raceway groove 102 is formed on the whole circumference direction of workpiece W inner peripheral surface.On the raceway groove 102 formed positions of workpiece W inner peripheral surface,, the probe 101 of in-process gaging appearance 100 is contacted with it for the stock removal to workpiece W detects.So-called in-process gaging appearance 100 is to be used for the diameter of the raceway groove 102 of workpiece W and the difference of standard value carry out the signals of telecommunicationization, and makes it carry out the measuring instrument that stops after the grinding of scheduled volume.And then, inject grinding fluid 103 for workpiece W from its both sides.
Below, the effect of this embodiment is described.Wherein, for the ease of explanation, be set at first retainer 11 and be positioned at supply drain position TP, second maintaining part 21 is positioned at Working position WP.
In last operation device, keep the chuck portion 31 of unprocessed workpiece W to move with a pair of control arm 32,33, and then be transported to supply drain position TP by vertical direction B decline and with workpiece W by horizontal direction A.Make the fixed claw 42 of first maintaining part 11 and movable claw 41 keep the outer peripheral face of annular work piece W and annular work piece W is flowed to first maintaining part 11 here.In addition, unprocessed annular work piece W from chuck portion 31 be transported to first maintaining part 11 during in, carry out the processing of workpiece W at Working position WP.
Processing one at Working position WP finishes, and first servo motor 15 promptly begins rotation.This rotation passes to first rotating shaft 12 via belt pulley 17, belt 18 and belt pulley 14, and the first arm 10 is rotated by the counter clockwise direction among the figure.In view of the above, first maintaining part 11 moves to Working position WP at first raceway 13 from supplying with drain position TP, and maintained workpiece W is transported to Working position WP.
And the rotation of second servo motor 25 and the first arm 10 makes second arm 20 rotate by direction between the up time among the figure synchronously by being rotated with first servo motor, 15 opposite directions.In view of the above, second maintaining part 21 moves to from Working position WP at second raceway 23 and supplies with drain position TP, and the workpiece W of maintained completion of processing is transported to supply drain position TP.
Workpiece W by first maintaining part 11 unprocessed annular work piece W that keeps and the completion of processing that is kept by second maintaining part 21 synchronously moves by different directions in same plane, and on the straight line that links first rotating shaft 12 and second rotating shaft 22, staggers each other.Because first maintaining part 11 and second maintaining part 21 are positioned at straight line L when going up, be located at the position of furthest on first raceway 13 and second raceway 23, thereby bigger workpiece W can not produce and disturbs and can in same plane, stagger each other.
The unprocessed annular work piece W that is transported to Working position WP through first maintaining part 11 processes through not shown processing unit (plant).
On the other hand; The workpiece W that is transported to the completion of processing of supplying with drain position TP through second maintaining part 21 is controlled by a pair of control arm 32,33 of chuck portion 31, and carries and be delivered to the device of back one operation by vertical B and horizontal direction A through conveying mechanism 30.
Then, chuck portion 31 accepts new unprocessed annular work piece W from the device of last operation, and is transported to and supplies with drain position TP and control supplying with second maintaining part 21 that drain position TP waits for.
And; Processing one via processing unit (plant) finishes; The workpiece W of completion of processing is promptly kept by first maintaining part 11; First servo motor 15 and second servo motor 25 synchronously are rotated by the direction with described direction of action, and the first arm 10 is rotated to supplying with drain position TP from processing unit (plant) WP, and second arm 20 is rotated to processing unit (plant) WP from supplying with drain position TP.
In view of the above, the workpiece W of the completion of processing that is kept by first maintaining part 11 is transported to from Working position WP and supplies with drain position TP, and the unprocessed workpiece W that is kept by second maintaining part 21 is transported to machining position amount WP from supplying with drain position TP.At this moment, two workpiece W can not produce on the straight line L that links first rotating shaft 12 and second rotating shaft 22 yet and disturb, but stagger each other.
Afterwards; Identical ground; First maintaining part 11 and second maintaining part 21 be alternately from supplying with direction the opposing party of drain position TP and Working position WP, or from other direction one side, and the workpiece W of unprocessed or completion of processing is kept also forced conveyance seriatim.
With reference to Fig. 5 the action and the in-process gaging appearance 100 of the emery wheel 104 of this embodiment are described.
As shown in Figure 5, the raceway groove 101 of 104 couples of workpiece W of emery wheel carries out grinding.At this moment, grinding fluid 103 injects from the both sides of workpiece W.The inner peripheral that the fixed claw 42 through making first maintaining part 11 and the fixed claw 46 of second maintaining part 21 have same shape; Near the maintaining part of then grinding position, waiting for is any one of first maintaining part 11 and second maintaining part 21, and the influx of the grinding fluid 103 that the inboard through circular-arc maintaining part is injected into much at one.Promptly; Near the maintaining part of grinding position, waiting for is any one of first maintaining part 11 and second maintaining part 21; This grinding fluid 103 can be measured lasso 102 under same condition for the influence that measurement brought of in-process gaging appearance 100 much at one.Its result can reduce the scale error of institute's processing work to greatest extent.
And then the inner peripheral of the inner peripheral of first maintaining part, 11 fixed claws 42 and second maintaining part, 21 fixed claws 46 all has the circular shape greater than 180 degree, therefore, compares less than the situation of 180 degree with circular shape, can more correctly control flowing of grinding fluid 103.
Utilizability in the industry
The utility model can preferably be applicable to Workpiece supply discharger from annular work pieces such as bearing ring to the processing portion of lathes such as milling drum that supply with or discharge from processing portion.
Claims (2)
1. Workpiece supply discharger is characterized in that having:
First maintaining part, it keeps workpiece through circular-arc fixed claw and the movable claw that is disposed at the fixed claw inner peripheral outside;
The first arm, it is rotatable so that move said first maintaining part along axial first raceway of first rotation;
Second maintaining part, it keeps workpiece through circular-arc fixed claw and the movable claw that is disposed at the fixed claw inner peripheral outside;
Second arm, its rotatable so that around second rotating shaft that is different from said first rotating shaft along moving said second maintaining part through second raceway that is positioned at the Working position on said first raceway and supplies with drain position,
The inner peripheral of the inner peripheral of the said first maintaining part fixed claw and the said second maintaining part fixed claw has same shape.
2. Workpiece supply discharger according to claim 1 is characterized in that: the inner peripheral of the inner peripheral of the first maintaining part fixed claw and the second maintaining part fixed claw all has the circular shape greater than 180 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201078166U CN202106295U (en) | 2011-04-12 | 2011-04-12 | Workpiece supplying and discharging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201078166U CN202106295U (en) | 2011-04-12 | 2011-04-12 | Workpiece supplying and discharging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202106295U true CN202106295U (en) | 2012-01-11 |
Family
ID=45431744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201078166U Expired - Lifetime CN202106295U (en) | 2011-04-12 | 2011-04-12 | Workpiece supplying and discharging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202106295U (en) |
-
2011
- 2011-04-12 CN CN2011201078166U patent/CN202106295U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120111 |
|
| CX01 | Expiry of patent term |