CN203470598U - Pre-clamping device - Google Patents
Pre-clamping device Download PDFInfo
- Publication number
- CN203470598U CN203470598U CN201320570861.4U CN201320570861U CN203470598U CN 203470598 U CN203470598 U CN 203470598U CN 201320570861 U CN201320570861 U CN 201320570861U CN 203470598 U CN203470598 U CN 203470598U
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- clamping
- synchronous
- cylinder
- caliper
- pincers
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- Withdrawn - After Issue
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- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
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Abstract
A pre-clamping device comprises a crescent shaped lever A. The crescent shaped lever A, a crescent shaped lever B, synchronous beam guide plates, guide wheels and a synchronous hydraulic cylinder are fixed on a stretcher frame. The guide plates are arranged on the crescent shaped lever A, an upper set of pincers and a lower set of pincers are in sliding connection on the guide plates. Toothed plates and wedges are arranged in the pincers, steel wire ropes are connected with steel wire rope cylinders, and the other end of each steel wire rope is connected with the corresponding pincers. One end of each pushing rod is connected with a corresponding secondary clamping cylinder through a connection rod, and the other end of each pushing rod is arranged in an inner hole of the crescent shaped lever B. The secondary clamping cylinders are arranged on a synchronous beam which is connected with the synchronous hydraulic cylinder through a synchronous cylinder connector and slides along the synchronous beam guide plates. Before a plate material is stretched, an aluminum plate must be evenly, stably and effectively clamped between the upper set of pincers and the lower set of pincers, and the clamping process is known as plate material pre-clamping. Accordingly, evenness, reliability and stability of clamping are guaranteed, and continuous production of a stretcher production line is guaranteed.
Description
Technical field
The utility model relates to a kind of pre-clamping device.
Background technology
Aluminium alloy plate material stretching machine is mainly used in the flexural deformation of eliminating aluminum alloy materials internal residual stress, correcting material and the strengthening that stretches; This unit is mainly comprised of the resetting means gland with hydraulic cushion function, pressure beam, main stretching cylinder, the first-class parts that stretch, and equipment adopts all-floating structure design.
In the upper and lower crossbeam of gland and stretching head, be provided with that array used in pairs for the caliper that clamps (in dental lamina is housed, for interlock aluminium sheet), caliper is slided to realize clamping or unclamps aluminium sheet along clamping inclined-plane in upper and lower crossbeam by dove-tail form groove.In addition, be designed with pre-clamp mechanism in upper and lower crossbeam, mainly in order to promote, caliper slides to realize Synchronous Pre clamping and secondary clamps in advance, and Synchronous Pre clamps for realizing the even clamping to aluminium sheet, and secondary is for guaranteeing the clamping reliability of list group caliper arbitrarily.
Traditional pre-clamping structure, between its pull bar and caliper, adopt bearing pin to be directly articulated and connected, every push rod relies on the action of clamping hydraulic cylinder realize clamping or unclamp aluminium sheet, not only can not guarantee the synchronous clamping to aluminium sheet, can not realize equally clamping, unclamp the separation that aluminium sheet moves, when there is strip fracture, the quick washing of caliper can act directly on push rod, and finally causes the damage of push rod and connector thereof like this.
Summary of the invention
In order to overcome the defect of above-mentioned prior art; the purpose of this utility model is to provide a kind of pre-clamping device; can not only realize Synchronous Pre clamping and secondary and clamp in advance action; can also guarantee uniformity, reliability and the stability of clamping, and protect equipment not to be damaged when there is sheet material fracture suddenly.
In order to achieve the above object, the technical solution of the utility model is:
A kind of pre-clamping device, comprise A swing link 1, A swing link 1 and B swing link 7, synchronous beam guide plate 10, directive wheel 14 and synchronous hydraulic cylinder 18 are fixed in stretching-machine frame, and guide plate 3 is arranged on A swing link 1, and upper and lower two groups of calipers 4 are slidably connected on guide plate 3; Dental lamina 5 and wedge 6 are arranged on caliper 4 inside, and wedge 6 is at the inner fixedly dental lamina 5 of caliper 4; One end of steel wire rope 8 connects with steel wire rope cylinder 16 by joint 15 through directive wheel 14, and the other end is connected with caliper 4 by nut and elastic colloid through caliper 4 is inner; One end of push rod 9 connects with secondary clamping cylinder 12 by connecting rod 11, the other end is placed in the hole of B swing link 7 inside, secondary clamping cylinder 12 is arranged on synchronous beam 13, and synchronously beam 13 connects also along synchronizeing 10 slips of beam guide plate by synchronized cylinder joint 17 and synchronous hydraulic cylinder 18.
When aluminium alloy plate is implemented to Synchronous Pre clamping, utilize synchronous hydraulic cylinder 18 to promote synchronous beam 13 integral body and travel forward, to guarantee that upper and lower two groups of calipers 4, synchronously to clamping direction motion, namely guarantee the uniformity of clip position.After completing synchronous clamping, all secondary clamping cylinders 12 start action, again promote push rod 9 to clamp separately aluminium sheet, to guarantee the uniformity of reliability, stability and the jig jaw clamping force of clamping.
When sheet material started to stretch after a period of time, when the normal pressure certainly clamp forming on inclined-plane has been enough to clamp sheet material, the whole rollback of synchronized cylinder at this moment, all push rods all have been retreated in swing link plate, so just can avoid occurring damaging when strip ruptures equipment completely.
In this utility model, the rollback of all calipers 4 all relies on 16 actions of steel wire rope cylinder to realize, the destruction that the employing of flexible steel wire rope 8 effectively avoids broken belt to impact; In addition, in this utility model, at the flexible damping body element of caliper 4 indoor design, when there is broken belt impact, the shock loading that the quick rollback of caliper forms will be born and harmless pre-clamping structure element by this elastic colloid.
Accompanying drawing explanation
Accompanying drawing is structural representation of the present utility model.
The specific embodiment
Below in conjunction with drawings and Examples, the utility model is described further, but not as to restriction of the present utility model.
With reference to accompanying drawing, a kind of pre-clamping device, comprise A swing link 1, A swing link 1 and B swing link 7, synchronous beam guide plate 10, directive wheel 14 and synchronous hydraulic cylinder 18 are fixed in stretching-machine frame by bolt-connection or other mounting means, guide plate 3 is arranged on A swing link 1, and upper and lower two groups of calipers 4 are slidably connected on guide plate 3; Dental lamina 5 and wedge 6 are arranged on caliper 4 inside, and wedge 6 is at the inner fixedly dental lamina 5 of caliper 4; One end of steel wire rope 8 connects with steel wire rope cylinder 16 by joint 15 through directive wheel 14, and the other end is connected with caliper 4 by nut and elastic colloid through caliper 4 is inner; Directive wheel 14 is used as pulley, for changing the direction of power; One end of push rod 9 connects with secondary clamping cylinder 12 by connecting rod 11, the other end is placed in the hole of B swing link 7 inside, when clamping aluminium sheet sheet material and caliper 4 end contacts, secondary clamping cylinder 12 is arranged on synchronous beam 13, and synchronously beam 13 connects also along synchronizeing 10 slips of beam guide plate by synchronized cylinder joint 17 and synchronous hydraulic cylinder 18.
Operation principle of the present utility model is:
The clamping of aluminium alloy plate is divided into Synchronous Pre clamping and secondary clamps in advance, and Synchronous Pre clamps for realizing the even clamping to aluminium sheet, and secondary is for guaranteeing the clamping reliability of list group caliper arbitrarily.When aluminium alloy plate is implemented to Synchronous Pre clamping, utilizing synchronous hydraulic cylinder 18 to promote synchronous beam 13 travels forward along synchronous beam guide plate 10 integral body, the motion of synchronous beam 13 synchronously travels forward drive secondary clamping cylinder 12, connecting rod 11 and push rod 9 etc., push rod is synchronized with the movement promotion caliper group to clamping direction, so just guaranteed that upper and lower two groups of calipers 4 are synchronously to clamping direction motion, the namely uniformity of clip position.In this structure, several secondary clamping cylinders 12 are fixed on synchronous beam 13, and secondary clamping cylinder 12 is connected by connecting rod with push rod 9.After completing synchronous clamping, synchronous beam 13 and synchronous hydraulic cylinder 18 keep aforesaid state, all secondary clamping cylinders 12 start action, again promote push rod 9 to clamp separately aluminium sheet, because in this structure, the corresponding push rod of each secondary clamping cylinder 12, the corresponding caliper of each steel wire rope cylinder 16, all reliability and stability that so just guarantees clamping; In whole pre-clamping process, all wire rope hydraulic cylinders 16 all keep quick condition, fully allow steel wire rope 8 follow caliper 4 motions.
After pre-clamping everything completes, stretching unit starts sheet material to start to stretch, when the normal pressure that certainly clamps formation on inclined-plane has been enough to clamp sheet material, at this moment the whole rollback of synchronized cylinder, and drive the whole rollbacks such as whole synchronous beam 13 and secondary and clamping cylinder, push rod 9, until all push rods all have been retreated in crescent moon plate hole, the damage of the enormous impact load that in the time of so just can avoiding completely strip fracture occurs, the quick rollback of caliper forms to push rod.In there is the process of strip fracture, because the rollback of all calipers 4 all relies on steel wire rope cylinder, 16 actions realize, the destruction that the employing of flexible steel wire rope 8 effectively avoids broken belt to impact.
After plate stretch completes, all steel wire rope cylinder 16 action rollbacks are with moving caliper 4 to unclamping direction motion under the effect of steel wire rope 8, and after jaw is opened, sheet material just can easily take out and continue the material loading of next plate from jaw.
In addition, in the inside of jaw, also special design has been installed elastic colloid, it is arranged on the both sides of steel wire rope, when there is sheet material fracture, in the process that the quick rollback of caliper impacts, what first occur to impact with moon B dental lamina 7 is exactly elastic colloid, and in this impact process, it is by effective impact-absorbing load and effectively slow down the movement tendency of caliper 4.
Claims (1)
1. a pre-clamping device, it is characterized in that, comprise A swing link (1), A swing link (1) and B swing link (7), synchronous beam guide plate (10), directive wheel (14) and synchronous hydraulic cylinder (18) are fixed in stretching-machine frame, it is upper that guide plate (3) is arranged on A swing link (1), and upper and lower two groups of calipers (4) are slidably connected on guide plate (3); Dental lamina (5) and wedge (6) are arranged on caliper (4) inside, and wedge (6) is at the inner fixedly dental lamina (5) of caliper (4); One end of steel wire rope (8) connects with steel wire rope cylinder (16) by joint (15) through directive wheel (14), and the other end is connected with caliper (4) by nut and elastic colloid through caliper (4) is inner; One end of push rod (9) connects with secondary clamping cylinder (12) by connecting rod (11), the other end is placed in the inner hole of B swing link (7), it is upper that secondary clamping cylinder (12) is arranged on synchronous beam (13), and synchronously beam (13) connects also along synchronizeing beam guide plate (10) slip by synchronized cylinder joint (17) and synchronous hydraulic cylinder (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570861.4U CN203470598U (en) | 2013-09-13 | 2013-09-13 | Pre-clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320570861.4U CN203470598U (en) | 2013-09-13 | 2013-09-13 | Pre-clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203470598U true CN203470598U (en) | 2014-03-12 |
Family
ID=50219012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320570861.4U Withdrawn - After Issue CN203470598U (en) | 2013-09-13 | 2013-09-13 | Pre-clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203470598U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480714A (en) * | 2013-09-13 | 2014-01-01 | 中国重型机械研究院股份公司 | Pre-clamping mechanism with function of strip breakage buffering |
| CN106111779A (en) * | 2016-08-29 | 2016-11-16 | 中色科技股份有限公司 | A kind of stretcher jaw clamping device |
| CN109500192A (en) * | 2019-01-15 | 2019-03-22 | 中国重型机械研究院股份公司 | A kind of push rod bi-directional adjustable clamping device |
-
2013
- 2013-09-13 CN CN201320570861.4U patent/CN203470598U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103480714A (en) * | 2013-09-13 | 2014-01-01 | 中国重型机械研究院股份公司 | Pre-clamping mechanism with function of strip breakage buffering |
| CN103480714B (en) * | 2013-09-13 | 2016-04-20 | 中国重型机械研究院股份公司 | A kind of pre-clamp system with broken belt pooling feature |
| CN106111779A (en) * | 2016-08-29 | 2016-11-16 | 中色科技股份有限公司 | A kind of stretcher jaw clamping device |
| CN109500192A (en) * | 2019-01-15 | 2019-03-22 | 中国重型机械研究院股份公司 | A kind of push rod bi-directional adjustable clamping device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160420 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20140312 Effective date of abandoning: 20160420 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |