CN202667342U - Clamping device of bending machine upper mould - Google Patents

Clamping device of bending machine upper mould Download PDF

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Publication number
CN202667342U
CN202667342U CN2012201795534U CN201220179553U CN202667342U CN 202667342 U CN202667342 U CN 202667342U CN 2012201795534 U CN2012201795534 U CN 2012201795534U CN 201220179553 U CN201220179553 U CN 201220179553U CN 202667342 U CN202667342 U CN 202667342U
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CN
China
Prior art keywords
bending machine
upper die
clamping device
bending
clamp body
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
Application number
CN2012201795534U
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Chinese (zh)
Inventor
孙宪华
李�亨
濮传章
陈生松
王长福
徐政
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.)
ANHUI LIANMENG MOULD INDUSTRIAL Co Ltd
Original Assignee
ANHUI LIANMENG MOULD INDUSTRIAL Co Ltd
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Publication date
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Priority to CN2012201795534U priority Critical patent/CN202667342U/en
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Publication of CN202667342U publication Critical patent/CN202667342U/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21DWORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D5/00Bending sheet metal along straight lines, e.g. to form simple curves
    • B21D5/02Bending sheet metal along straight lines, e.g. to form simple curves on press brakes without making use of clamping means
    • B21D5/0209Tools therefor
    • B21D5/0236Tool clamping
    • B21D5/0245Fluid operated

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)

Abstract

The utility model discloses a clamping device of a bending machine upper mould. The clamping device of the bending machine upper mould comprises a fixture body, wherein the upper portion of the fixture body is connected with a bending machine, and the lower portion of the fixture body is connected with an upper mould of a bending mould. A clamping block used for clamping the upper mould of the bending mould is installed inside the fixture body. The lower end of the clamping block is connected with the fixture body in an elastic mode through an elastic abutting pin. The upper end of the clamping block is connected with a hydraulic pipeline system used for providing a clamping dynamic. The clamping device of the bending machine upper mould is stable in structure, rapid and convenient to use and even in clamping force, and requirements for quick detachment and replacement of the bending machine upper mould and deflection compensation of a bending machine sliding block can be satisfied and working efficiency of the bending machine and quality of a bent product can be improved.

Description

The upper die of bending machine clamping device
Technical field
The jockey that the utility model relates to bender and bending upper die is the upper die of bending machine clamping device.
Background technology
The upper die of bending machine clamping device is widely used on all kinds of benders, is the jockey of bender and Bending Mould, and it is mounted on the bender and is used for the clamping bending upper die.Bending upper die is contained in and connects between pressing plate and the patrix connecting plate, the clamping device that some is arranged on common every bender, each clamping device passes through fastened by screw, like this when installing or change patrix, just need tens screws of degree of tightness, wasting time and energy and needing is equipped with special spanner, very inconvenient.And clamp bending upper die by screw tightness, connecting plate pressing plate, the pressing plate clamping force can be inhomogeneous, can cause the bending upper die center inconsistent, affects the bending product quality.
When bender loads owing to the reason of framework own so that slide block produces Parabolic micro-elastic distortion, cause the angle of bending workpieces can't guarantee unanimously in the total length direction.Simultaneously, the bending length of plate is very large on the impact of bending part precision, and plate is longer to require crooked load larger, so the distortion of the gradient of equipment and slide block causes and guarantees that precision is more difficult also with regard to becoming large.In addition, the concentrated wear of Bending Mould also affects the linearity of bending workpieces.
Summary of the invention
The purpose of this utility model is to overcome the above-mentioned deficiency of existing upper die of bending machine clamping device technology, and a kind of efficient and convenient, Stability Analysis of Structures, the uniform a kind of bending upper die clamping device of clamping force are provided.
Upper die of bending machine clamping device of the present utility model, comprise that top connects the clamp body of bender, bottom connection Bending Mould patrix, the inside of described clamp body is provided with the clamp for clamping Bending Mould patrix, the lower end of described clamp is elastically connected on the clamp body by playing ejector pin, and the upper end of described clamp connects the hydraulic plumbing system that is used for providing clamping power.
Be provided with back-moving spring in the described clamp, the other end of described back-moving spring is connected in the clamp body.
The front surface of described clamp body is provided with front shroud, and the below of described front shroud is provided with the graduated scale for scale patrix position.
The rear surface of described clamp body is provided with back shroud, and described back shroud comprises rear main cover plate, rear left end casing and rear right end casing.
Described hydraulic plumbing system comprises the pressure hose that places rear main cover plate and the fuel tap that places on the rear left end casing, be provided with in the port of pressure hose for sealing the fixedly oil pipe compression voussoir of pressure hose, described oil pipe compresses voussoir inside and is provided with for the through hole that is communicated with fuel tap and pressure hose.
Described rear right end casing is provided with air bleeding valve.
Be provided with deflection compensation voussoir for the bending upper die deflection compensation at described clamp body and bender joint face.
When the utility model uses in work, in the bullet ejector pin precompressed bending upper die pocket for the punch head that places clamp, prevent that patrix from falling cutter, again by external hydraulic pump to the pressure hose oiling, pressure hose moment pressurising distending, withstand voltage oil pipe extruding clamp, clamp moment clamping bending upper die has been realized fast automatic clamping bending upper die.Otherwise the external hydraulic pump pressure release places the back-moving spring of clamp to eject clamp, clamp extruding pressure hose, and hydraulic oil is extruded in the withstand voltage oil pipe, and pressure hose recovers flat form, and clamp and bending upper die unclamp, and have realized the quick-detachment bending upper die.Upper die of bending machine clamping device Stability Analysis of Structures of the present utility model, use is efficient and convenient, clamping force is even, has satisfied that the upper die of bending machine quick-detachment is changed, the demand of slider of bender deflection compensation, has improved operating efficiency and the bending product quality of bender.
Description of drawings
Fig. 1 is apparatus structure schematic diagram of the present utility model;
Fig. 2 is hydraulic plumbing system structural representation of the present utility model.
Among the figure: 1, graduated scale; 2, front shroud; 3, back-moving spring; 4, clamp; 5, clamp body; 6, deflection compensation voussoir; 7, rear main cover plate; 8, fuel tap; 9, rear left end casing; 10, oil pipe compresses voussoir; 11, pressure hose; 12, rear right end casing; 13, air bleeding valve; 14, set screw; 15, spring; 16, play ejector pin.
The specific embodiment
As shown in Figure 1 and Figure 2, upper die of bending machine clamping device of the present utility model, comprise that top connects the clamp body 5 of bender, bottom connection Bending Mould patrix, the inside of this clamp body 5 is provided with for the clamp 4 that cooperates clamp body 5 clamping Bending Mould patrixes, the lower end of this clamp 4 is elastically connected on the clamp body 5 by playing ejector pin 16, and the upper end of clamp 4 connects the hydraulic plumbing system that is used for providing clamping power; This hydraulic plumbing system comprises the pressure hose 11 that places rear main cover plate 7 and the fuel tap 8 that places on the rear left end casing 9, in the port of pressure hose 11, be provided with for sealing the fixedly oil pipe compression voussoir 10 of pressure hose 11, this oil pipe compresses voussoir 10 inside and is provided with for being communicated with the through hole of fuel tap 8 with pressure hose 11, and this hydraulic plumbing system also comprises an external hydraulic pump (client matches according to actual needs) that is used for the hydraulic system fuel feeding.The utility model is at rear left end casing 9 processing fuel feed holes; Oil pipe compresses voussoir 10 profiles can be processed into back taper, is connected with left end cover plate 9 screws, and by tighten the screws, the tension oil pipe compresses voussoir 10, reaches fixedly pressure hose 11 effects of sealing; Oil pipe compresses voussoir 10 middle parts processing through hole; The installation of the rear left end casing 9 fuel feed holes outside (into and out of) fuel tap 8, the inboard compresses voussoir 10 intermediate throughholes with oil pipe and communicates; Process steam vent on the rear right end casing 12, and air bleeding valve 13 is installed, so that hydraulic oil when being full of pressure hose 11, is got rid of the air in the pressure hose 11.
The utility model is provided with back-moving spring 3 at clamp 4, and the other end of this back-moving spring 3 is connected in the clamp body 5; The front surface of clamp body 5 is provided with front shroud 2, and the below of front shroud 2 is provided with the graduated scale 1 for scale patrix position; Simultaneously, the rear surface of clamp body 5 is provided with back shroud, comprises rear main cover plate 7, rear left end casing 9 and rear right end casing 12; Clamp body 5 tops are connected with bender, and stress surface is processed into the inclined-plane, cooperate with deflection compensation voussoir 6 inclined-planes; Clamp body 5 belows processing square groove, the square groove left surface cooperates with bending upper die clamping face, and clamp body 5 left side bottom surfaces cooperate with bender omoplate stress surface; Clamp body 5 right flank machined grooves cooperate with clamp 4; On clamp body 5 and bender joint face, also be provided with the deflection compensation voussoir 6 for the bending upper die deflection compensation.
The utility model in the bullet ejector pin 16 precompressed bending upper die pocket for the punch heads that place clamp 4, prevents that patrix from falling cutter when the work beginning.Open external hydraulic pump, hydraulic oil enters pressure hose 11, pressure hose 11 moment pressurising distending by the fuel feed hole of inlet valve 8, rear left end casing 9, the intermediate throughholes that oil pipe compresses voussoir 10, withstand voltage oil pipe 11 extruding clamps, clamp 4 moments clamping bending upper die.Realize fast automatic clamping bending upper die.Otherwise the external hydraulic pump pressure release places the back-moving spring 3 of clamp 4 to promote clamp 4, clamp 4 extruding pressure hoses 11, and hydraulic oil is extruded in the withstand voltage oil pipe 11, and pressure hose 11 recovers flat form, and clamp 4 unclamps with bending upper die.Realize the quick-detachment bending upper die, adjust the deflection compensation voussoir 6 that places clamp body 5 tops, can realize the bending upper die deflection compensation, improved linearity precision and the dimensional accuracy of bending workpieces.Upper die of bending machine clamping device Stability Analysis of Structures of the present utility model, use is efficient and convenient, clamping force is even, has satisfied that the upper die of bending machine quick-detachment is changed, the demand of slider of bender deflection compensation, has improved operating efficiency and the bending product quality of bender.

Claims (7)

1. upper die of bending machine clamping device, comprise that top connects the clamp body of bender, bottom connection Bending Mould patrix, it is characterized in that: the inside of described clamp body is provided with the clamp for clamping Bending Mould patrix, the lower end of described clamp is elastically connected on the clamp body by playing ejector pin, and the upper end of described clamp connects the hydraulic plumbing system that is used for providing clamping power.
2. upper die of bending machine clamping device as claimed in claim 1, it is characterized in that: be provided with back-moving spring in the described clamp, the other end of described back-moving spring is connected in the clamp body.
3. upper die of bending machine clamping device as claimed in claim 1, it is characterized in that: the front surface of described clamp body is provided with front shroud, and the below of described front shroud is provided with the graduated scale for scale patrix position.
4. upper die of bending machine clamping device as claimed in claim 1, it is characterized in that: the rear surface of described clamp body is provided with back shroud, and described back shroud comprises rear main cover plate, rear left end casing and rear right end casing.
5. upper die of bending machine clamping device as claimed in claim 4, it is characterized in that: described hydraulic plumbing system comprises the pressure hose that places rear main cover plate and the fuel tap that places on the rear left end casing, be provided with in the port of pressure hose for sealing the fixedly oil pipe compression voussoir of pressure hose, described oil pipe compresses voussoir inside and is provided with for the through hole that is communicated with fuel tap and pressure hose.
6. upper die of bending machine clamping device as claimed in claim 5, it is characterized in that: described rear right end casing is provided with air bleeding valve.
7. upper die of bending machine clamping device as claimed in claim 1 is characterized in that: be provided with deflection compensation voussoir for the bending upper die deflection compensation at described clamp body and bender joint face.
CN2012201795534U 2012-04-25 2012-04-25 Clamping device of bending machine upper mould Expired - Lifetime CN202667342U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201795534U CN202667342U (en) 2012-04-25 2012-04-25 Clamping device of bending machine upper mould

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201795534U CN202667342U (en) 2012-04-25 2012-04-25 Clamping device of bending machine upper mould

Publications (1)

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CN202667342U true CN202667342U (en) 2013-01-16

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102626753A (en) * 2012-04-25 2012-08-08 安徽联盟模具工业股份有限公司 Upper die clamping device of bending machine
CN104138939A (en) * 2014-07-25 2014-11-12 朱德仲 Fixing device for bending machine blade
CN106363089A (en) * 2016-11-30 2017-02-01 盐城工学院 Split type upper die clamping device
CN107377694A (en) * 2017-08-24 2017-11-24 山东嘉意机械有限公司 Pneumatic pinch workbench and bender
CN108941325A (en) * 2018-08-27 2018-12-07 安徽联盟模具工业股份有限公司 A kind of bending machine die clamping device switching mechanism

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102626753A (en) * 2012-04-25 2012-08-08 安徽联盟模具工业股份有限公司 Upper die clamping device of bending machine
CN102626753B (en) * 2012-04-25 2014-10-29 安徽联盟模具工业股份有限公司 Upper die clamping device of bending machine
CN104138939A (en) * 2014-07-25 2014-11-12 朱德仲 Fixing device for bending machine blade
CN106363089A (en) * 2016-11-30 2017-02-01 盐城工学院 Split type upper die clamping device
CN106363089B (en) * 2016-11-30 2018-06-01 盐城工学院 A kind of split type upper mold clamping device
CN107377694A (en) * 2017-08-24 2017-11-24 山东嘉意机械有限公司 Pneumatic pinch workbench and bender
CN108941325A (en) * 2018-08-27 2018-12-07 安徽联盟模具工业股份有限公司 A kind of bending machine die clamping device switching mechanism

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Granted publication date: 20130116

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