CN216683028U - Limiting protection device of hydraulic machine - Google Patents
Limiting protection device of hydraulic machine Download PDFInfo
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- CN216683028U CN216683028U CN202220090523.XU CN202220090523U CN216683028U CN 216683028 U CN216683028 U CN 216683028U CN 202220090523 U CN202220090523 U CN 202220090523U CN 216683028 U CN216683028 U CN 216683028U
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- sleeve
- air bag
- protection device
- hydraulic press
- bolt
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- 230000008093 supporting effect Effects 0.000 claims description 31
- 238000003825 pressing Methods 0.000 claims description 16
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000000465 moulding Methods 0.000 abstract description 2
- 230000007423 decrease Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 6
- 238000005336 cracking Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000748 compression moulding Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/20—Hydro energy
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- Presses And Accessory Devices Thereof (AREA)
Abstract
The utility model relates to a hydraulic press limiting protection device, which belongs to the field of hydraulic molding machines and comprises a vertical plate fixedly connected with a hydraulic press base, wherein the vertical plate is connected with a vertically arranged sleeve pipe which is positioned below an upper die base and can rotate to the outside of the hydraulic press; the bracing piece is connected with the depression bar of vertical setting, and the sleeve pipe corresponds depression bar below position department and is provided with the elasticity gasbag, and the depression bar can compress the elasticity gasbag, and the elasticity gasbag intercommunication has the whistle. The condition that the unexpected decline of upper die base is unfavorable for being discovered in time by other workman when this application improved hydraulic press maintenance.
Description
Technical Field
The application relates to the field of hydraulic molding presses, in particular to a limiting protection device of a hydraulic press.
Background
Compression molding is the processing of plastics in which plastic materials are formed into articles by the application of heat and pressure within a closed mold cavity. The compression moulding process is usually carried out using a hydraulic press in combination with a corresponding mould.
When the hydraulic press is overhauled, a worker often places some devices with a supporting effect below the upper die base corresponding to the base, and the probability that the upper die base of the hydraulic press suddenly descends to injure the worker is reduced.
According to the related technology, when a certain hydraulic machine to be overhauled breaks down and the upper die base descends unexpectedly and quickly, the noise generated by the complex processing workshop of the equipment easily causes other surrounding workers not to find the dangerous situation in time, or the surrounding workers concentrate on the equipment operated by the workers and do not notice the dangerous situation, so that the surrounding workers or the staff on duty can find the dangerous situation in time to help the overhauling workers.
SUMMERY OF THE UTILITY MODEL
In order to improve the unexpected circumstances that descends of upper die base when the hydraulic press overhauls and be unfavorable for by other workman in time discoveries, this application provides a hydraulic press limit protection device.
The application provides a spacing protection device of hydraulic machine adopts following technical scheme:
a hydraulic press limiting protection device comprises a vertical plate fixedly connected to a hydraulic press base, wherein the vertical plate is connected with a vertically arranged sleeve, the sleeve is positioned below an upper die base and can rotate to the outside of a hydraulic press, a vertically arranged support rod is arranged in the sleeve, the lower end of the support rod is not in contact with the base, the upper end of the support rod can be abutted against the lower side of the upper die base, and when the upper end of the support rod is impacted by the upper die base, the lower end of the support rod can be abutted against the ground;
the bracing piece is connected with the depression bar of vertical setting, and the sleeve pipe corresponds depression bar below position department and is provided with the elasticity gasbag, and the depression bar can compress the elasticity gasbag, and the elasticity gasbag intercommunication has the whistle.
By adopting the scheme, when a worker overhauls, the sleeve and the supporting rod are rotated to the position below the upper die base from the outside of the hydraulic machine, when the upper die base falls down accidentally, the supporting rod moves downwards after being impacted by the upper die base and is supported on the base, and the probability that the worker is injured by falling down quickly of the upper die base is reduced by the supporting rod;
along with the downward motion of bracing piece, the holding down lever compresses the elasticity gasbag, and the elasticity gasbag utilizes the combustion gas to blow and makes a harsh sound to the whistle, and the sound of whistle reminds peripheral workman hydraulic press of here maintenance to take place the accident, is favorable to peripheral workman to catch up with help the maintenance workman to get rid of the dangerous situation fast.
Preferably, the sleeve is provided with a guide pipe at a position corresponding to the lower pressure rod, the lower pressure rod is connected to the guide pipe in a sliding manner, the lower pressure rod slides along the length direction of the lower pressure rod, and the elastic air bag is arranged in the guide pipe.
Through adopting above-mentioned scheme, the guide tube guides the slip direction of depression bar down, reduces the probability that depression bar and elasticity gasbag take place the skew, and the deformation direction of while guide tube restriction elasticity gasbag reduces the elasticity gasbag and is taken place crooked probability by the compression in-process, improves the sound production effect of whistle.
Preferably, the outer side of the guide pipe is sleeved with an explosion-proof pipe.
Through adopting above-mentioned scheme, the elasticity gasbag in the stand pipe receives the impact of depression bar down suddenly, and the lateral wall of stand pipe is given with partial impact force transmission to elasticity gasbag by compression process, and elasticity gasbag and stand pipe all have the probability that takes place to explode and split, and the explosion-proof pipe improves the stand pipe and corresponds the degree of bearing of the impact force that comes from elasticity gasbag, reduces the probability that the stand pipe splashes after exploding.
Preferably, bracing piece sliding connection is in the sleeve, and the bracing piece slides along self length direction, and the bracing piece corresponds sleeve top position department and is provided with the annular flange, and the bracing piece cover is equipped with supporting spring, and supporting spring's both ends butt respectively in annular flange and sleeve, and supporting spring gives the bracing piece and keeps away from the power on ground.
By adopting the scheme, in the process that the supporting rod is impacted and lowered by the upper die base, the supporting spring increases the downward sliding resistance of the supporting rod, reduces the impact strength of the supporting rod and the bottom plate, and reduces the probability of cracking of the supporting rod; meanwhile, the supporting spring also slows down the sudden impact of the lower pressing rod on the elastic air bag, and reduces the probability of the elastic air bag cracking.
Preferably, both ends of the support rod are provided with elastic buffer pads.
Through adopting above-mentioned scheme, the blotter cushions the impact of upper die base and base to the bracing piece tip, reduces the probability that the bracing piece tip warp the damage.
Preferably, a return spring is arranged in the elastic air bag, the return spring is arranged along the length direction of the elastic air bag, and the elastic air bag is in an expansion state under the natural state of the return spring.
By adopting the scheme, the return spring helps the elastic air bag to keep an expanded state in the guide pipe, so that the air quantity discharged when the elastic air bag is compressed is increased, and the whistle sounding effect is improved; after the fault of the hydraulic press is relieved and the upper die base is lifted and reset, the reset spring helps the elastic air bag to return to the expansion state, so that the elastic air bag can be conveniently used for multiple times.
Preferably, the riser articulates there is the connecting plate, and riser one end fixed connection in the sleeve pipe is kept away from to the connecting plate, and the connecting plate corresponds and is provided with the torsional spring with the articulated position department of riser, and the torsional spring both ends are connected respectively in connecting plate and riser, and the sleeve pipe rotates upper die base below position department under the torsional spring natural state, and the riser is provided with the bolt subassembly that is used for fixed connection board position.
Through adopting above-mentioned scheme, when the workman overhauls, remove the fixed of bolt subassembly to the connecting plate, the sleeve pipe rotates the below of upper die base under the effect of torsional spring, and the torsional spring keeps the power in upper die base below for the sleeve pipe in the maintenance in-process, reduces because of the unexpected probability that collides messenger sleeve pipe and bracing piece outside the upper die base region of workman.
Preferably, the bolt assembly comprises a first bolt plate fixedly connected to the vertical plate, a second bolt plate is arranged at the position, corresponding to the first bolt plate, of the connecting plate, a bolt rod is inserted into the first bolt plate and the second bolt plate together, and when the bolt rod is inserted into the first bolt plate and the second bolt plate, the sleeve and the supporting rod are located outside the hydraulic machine.
By adopting the scheme, when the hydraulic press normally works, the pin rod is inserted into the first pin plate and the second pin plate, so that the sleeve is prevented from rotating relative to the vertical plate, and the probability of the support rod interfering the normal work of equipment is reduced.
In summary, the present application has the following beneficial effects:
1. along with the downward movement of the supporting rod, the pressing rod compresses the elastic air bag, the elastic air bag utilizes the exhausted gas to blow a whistle to make a harsh sound, the whistle sounds remind surrounding workers of accidents of the hydraulic machine to be overhauled, and the surrounding workers can quickly catch up to help the overhauling workers to eliminate dangerous situations;
2. when the upper die holder falls accidentally, the supporting rod moves downwards after being impacted by the upper die holder, the supporting rod is supported on the base, and the probability that workers are injured by falling down of the upper die holder is reduced;
3. the return spring helps the elastic air bag to keep an expanded state in the guide pipe, so that the air quantity discharged when the elastic air bag is compressed is increased, and the whistle sounding effect is improved; after the fault of the hydraulic press is relieved and the upper die base is lifted and reset, the reset spring helps the elastic air bag to return to the expansion state, so that the elastic air bag can be conveniently used for multiple times.
Drawings
FIG. 1 is an installation schematic diagram of a hydraulic machine limit protection device according to an embodiment of the application;
fig. 2 is a schematic structural diagram of a hydraulic machine limit protection device according to an embodiment of the present application;
FIG. 3 is a cross-sectional view of a protruding elastomeric bladder of a hydraulic limit stop protection device in accordance with an embodiment of the present application;
fig. 4 is a schematic structural diagram of a protruding plug pin assembly of a hydraulic press limit protection device according to an embodiment of the present application.
Description of reference numerals: 1. a vertical plate; 11. reinforcing ribs; 12. a connecting plate; 121. a torsion spring; 122. a sleeve; 2. a support bar; 21. an annular flange; 22. a support spring; 23. a cushion pad; 3. a guide tube; 31. a lower pressure lever; 32. an elastic air bag; 321. a return spring; 322. whistles; 33. an explosion-proof tube; 4. a plug pin assembly; 41. a first latch plate; 42. a second latch plate; 43. a latch rod; 44. prevent losing the rope.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses a hydraulic machine limiting protection device. Referring to fig. 1 and 2, including vertical plate 1 fixed connection in the hydraulic press base, vertical plate 1 is close to base position department fixed connection, and strengthening rib 11 fixed connection is in the bottom plate. The vertical plate 1 is hinged to a connecting plate 12, one end, far away from the vertical plate 1, of the connecting plate 12 is fixedly connected with a vertically arranged sleeve 122, the sleeve 122 is located below the upper die base, and the sleeve 122 can rotate to the outside of the hydraulic machine. Sliding connection has the bracing piece 2 of vertical setting in the sleeve pipe 122, and bracing piece 2 slides along self length direction, and bracing piece 2 corresponds sleeve pipe 122 top position department fixedly connected with annular flange 21, and 2 covers of bracing piece are equipped with supporting spring 22, and supporting spring 22's both ends butt respectively in annular flange 21 and sleeve pipe 122, and supporting spring 22 gives bracing piece 2 and keeps away from the power on ground. 2 both ends of bracing piece all are provided with and have elastic blotter 23, and the blotter 23 of 2 lower extremes of bracing piece does not contact the base, and the blotter 23 of 2 upper ends of bracing piece can butt in the upper die base downside, and when the blotter 23 of 2 upper ends of bracing piece received the striking of upper die base, the blotter 23 of 2 lower extremes of bracing piece can butt in ground. When a worker overhauls, the sleeve 122 and the support rod 2 are rotated to the lower portion of the upper die base from the outside of the hydraulic press, when the upper die base falls accidentally, the support rod 2 moves downwards after being impacted by the upper die base, the support rod 2 supports the base, and the support rod 2 reduces the probability that the upper die base falls rapidly to injure the worker by smashing. In the process that the support rod 2 is impacted and lowered by the upper die base, the support spring 22 increases the resistance of the support rod 2 in downward sliding, and reduces the impact strength between the support rod 2 and the bottom plate.
Referring to fig. 3 and 4, the support rod 2 is fixedly connected with a vertically arranged lower pressing rod 31, the sleeve 122 is fixedly connected with the guide tube 3 at a position corresponding to the lower pressing rod 31, the lower pressing rod 31 is slidably connected with the guide tube 3, and the lower pressing rod 31 slides along the length direction thereof. Elastic air bag 32 has been placed in the stand pipe 3, is provided with reset spring 321 in the elastic air bag 32, and reset spring 321 sets up along the length direction of elastic air bag 32, and elastic air bag 32 is in the expanded state under the reset spring 321 natural state, and the push rod 31 can compress elastic air bag 32 down, and elastic air bag 32 intercommunication has whistle 322, and the cover is equipped with explosion-proof pipe 33 in the stand pipe 3 outside. Along with the downward movement of the supporting rod 2, the pressing rod 31 compresses the elastic air bag 32, the elastic air bag 32 utilizes the exhausted gas to blow the whistle 322 to make a harsh sound, the sound of the whistle 322 reminds surrounding workers of accidents of the hydraulic machine overhauled at the place, and the surrounding workers can quickly catch up to help the overhauling workers to eliminate dangerous situations. The guide tube 3 guides the sliding direction of the lower pressure rod 31, the probability of deviation of the lower pressure rod 31 and the elastic air bag 32 is reduced, meanwhile, the guide tube 3 limits the deformation direction of the elastic air bag 32, the probability of deflection of the elastic air bag 32 in the compression process is reduced, and the sounding effect of the whistle 322 is improved. The explosion-proof tube 33 increases the degree of the guide tube 3 to which the impact force from the elastic airbag 32 is applied, and reduces the probability of the guide tube 3 being splashed after burst.
Referring to fig. 3 and 4, a torsion spring 121 is disposed at a position of the connecting plate 12 corresponding to a hinged position of the vertical plate 1, two ends of the torsion spring 121 are respectively connected to the connecting plate 12 and the vertical plate 1, the sleeve 122 rotates to a position below the upper die base in a natural state of the torsion spring 121, and the vertical plate 1 is provided with a latch assembly 4 for fixing the position of the connecting plate 12. When a worker overhauls the support, the fixing of the bolt component 4 on the connecting plate 12 is removed, the sleeve 122 rotates to the lower side of the upper die base under the action of the torsion spring 121, the torsion spring 121 provides force for keeping the sleeve 122 below the upper die base in the overhauling process, and the probability that the sleeve 122 and the support rod 2 rotate to the outside of the upper die base due to accidental collision of the worker is reduced. Bolt subassembly 4 includes first bolt board 41 of fixed connection in riser 1, and connecting plate 12 is provided with second bolt board 42 corresponding first bolt board 41 position department, and first bolt board 41 and second bolt board 42 are inserted jointly and are equipped with bolt pole 43, and when bolt pole 43 was inserted and is located first bolt board 41 and second bolt board 42, sleeve 122 and bracing piece 2 were in the hydraulic press outside, and bolt pole 43 fixedly connected with prevents losing rope 44, prevents losing rope 44 and keeps away from bolt pole 43 one end fixed connection in riser 1. When the hydraulic press normally works, the bolt rod 43 is inserted into the first bolt plate 41 and the second bolt plate 42, so that the sleeve 122 is prevented from rotating relative to the opposite plate 1, and the probability that the support rod 2 interferes with the normal work of equipment is reduced.
The implementation principle of the hydraulic machine limiting protection device in the embodiment of the application is as follows: when the upper die holder falls accidentally, the support rod 2 moves downwards after being impacted by the upper die holder, the support rod 2 is supported on the base, and the probability that workers are injured by falling of the upper die holder quickly is reduced by the support rod 2; along with the downward movement of the supporting rod 2, the pressing rod 31 compresses the elastic air bag 32, the elastic air bag 32 utilizes the exhausted gas to blow the whistle 322 to make a harsh sound, the sound of the whistle 322 reminds surrounding workers of accidents of the hydraulic machine overhauled at the place, and the surrounding workers can quickly catch up to help the overhauling workers to eliminate dangerous situations.
In the process that the supporting rod 2 is impacted and lowered by the upper die base, the supporting spring 22 increases the resistance of the supporting rod 2 in downward sliding, reduces the impact strength of the supporting rod 2 and the bottom plate, and reduces the probability of cracking of the supporting rod 2; meanwhile, the supporting spring 22 also relieves the sudden impact of the pressing rod 31 on the elastic air bag 32, and reduces the probability of the elastic air bag 32 cracking.
The return spring 321 helps the elastic air bag 32 to keep an expanded state in the guide tube 3, so that the air quantity discharged when the elastic air bag 32 is compressed is increased, and the sounding effect of the whistle 322 is improved; after the failure of the hydraulic press is relieved and the upper die base is lifted and reset, the reset spring 321 helps the elastic air bag 32 to return to the expansion state, so that the elastic air bag 32 can be conveniently used for multiple times.
The embodiment of the application improves the condition that the upper die base is accidentally descended during the maintenance of the hydraulic machine and is not beneficial to being timely discovered by other workers.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a spacing protection device of hydraulic machine, includes riser (1) of fixed connection in the hydraulic machine base, its characterized in that: the vertical plate (1) is connected with a vertically arranged sleeve (122), the sleeve (122) is positioned below the upper die base, the sleeve (122) can rotate to the outside of the hydraulic machine, a vertically arranged support rod (2) is arranged in the sleeve (122), the lower end of the support rod (2) is not in contact with the base, the upper end of the support rod (2) can be abutted against the lower side of the upper die base, and when the upper end of the support rod (2) is impacted by the upper die base, the lower end of the support rod (2) can be abutted against the ground;
the support rod (2) is connected with a vertically arranged lower pressing rod (31), an elastic air bag (32) is arranged at the position, corresponding to the lower position of the lower pressing rod (31), of the sleeve (122), the lower pressing rod (31) can compress the elastic air bag (32), and the elastic air bag (32) is communicated with a whistle (322).
2. The hydraulic press limit protection device of claim 1, wherein: the sleeve (122) is provided with a guide pipe (3) corresponding to the position of the lower pressing rod (31), the lower pressing rod (31) is connected to the guide pipe (3) in a sliding mode, the lower pressing rod (31) slides along the length direction of the lower pressing rod, and the elastic air bag (32) is arranged in the guide pipe (3).
3. The hydraulic press limit protection device of claim 2, wherein: an explosion-proof pipe (33) is sleeved outside the guide pipe (3).
4. The hydraulic machine limit protection device of claim 1, characterized in that: bracing piece (2) sliding connection is in sleeve pipe (122), and bracing piece (2) slide along self length direction, and bracing piece (2) correspond sleeve pipe (122) top position department and are provided with annular flange (21), and bracing piece (2) cover is equipped with supporting spring (22), and the both ends of supporting spring (22) butt respectively in annular flange (21) and sleeve pipe (122), and supporting spring (22) give bracing piece (2) the power of keeping away from ground.
5. The hydraulic press limit protection device of claim 1, wherein: both ends of the support rod (2) are provided with cushion pads (23) with elasticity.
6. The hydraulic press limit protection device of claim 1, wherein: a return spring (321) is arranged in the elastic air bag (32), the return spring (321) is arranged along the length direction of the elastic air bag (32), and the elastic air bag (32) is in an expansion state under the natural state of the return spring (321).
7. The hydraulic press limit protection device of claim 1, wherein: riser (1) articulates there is connecting plate (12), riser (1) one end fixed connection in sleeve pipe (122) is kept away from in connecting plate (12), connecting plate (12) correspond with the articulated position department of riser (1) and be provided with torsional spring (121), torsional spring (121) both ends are connected respectively in connecting plate (12) and riser (1), lower sleeve pipe (122) of torsional spring (121) natural state rotates upper die base below position department, riser (1) are provided with bolt subassembly (4) that are used for fixed connection board (12) position.
8. The hydraulic press limit protection device of claim 7, wherein: bolt subassembly (4) are including first bolt board (41) of fixed connection in riser (1), and connecting plate (12) are provided with second bolt board (42) corresponding first bolt board (41) position department, and first bolt board (41) and second bolt board (42) are inserted jointly and are equipped with bolt pole (43), and when bolt pole (43) were inserted and are located first bolt board (41) and second bolt board (42), sleeve pipe (122) and bracing piece (2) were in the hydraulic press outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220090523.XU CN216683028U (en) | 2022-01-13 | 2022-01-13 | Limiting protection device of hydraulic machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220090523.XU CN216683028U (en) | 2022-01-13 | 2022-01-13 | Limiting protection device of hydraulic machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216683028U true CN216683028U (en) | 2022-06-07 |
Family
ID=81821465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220090523.XU Active CN216683028U (en) | 2022-01-13 | 2022-01-13 | Limiting protection device of hydraulic machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216683028U (en) |
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2022
- 2022-01-13 CN CN202220090523.XU patent/CN216683028U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230704 Address after: No. 2, Jingshui Second Road, Jimo District, Qingdao, Shandong 266200 Patentee after: Qingdao Junbang Machinery Co.,Ltd. Address before: 266000 No. 2, Jingshui 2nd Road, Longquan sub district office, Jimo District, Qingdao, Shandong Patentee before: Qingdao Dongyuan New Material Technology Co.,Ltd. |