CN104493045A - Clamping device of lower die base of hot die forging press - Google Patents

Clamping device of lower die base of hot die forging press Download PDF

Info

Publication number
CN104493045A
CN104493045A CN201410624077.6A CN201410624077A CN104493045A CN 104493045 A CN104493045 A CN 104493045A CN 201410624077 A CN201410624077 A CN 201410624077A CN 104493045 A CN104493045 A CN 104493045A
Authority
CN
China
Prior art keywords
die shoe
clamping device
cylinder body
forging press
compressor arm
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.)
Granted
Application number
CN201410624077.6A
Other languages
Chinese (zh)
Other versions
CN104493045B (en
Inventor
余朝辉
童飞
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.)
Erzhong Deyang Heavy Equipment Co Ltd
Original Assignee
China Erzhong Group Deyang Heavy Industries 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
Application filed by China Erzhong Group Deyang Heavy Industries Co Ltd filed Critical China Erzhong Group Deyang Heavy Industries Co Ltd
Priority to CN201410624077.6A priority Critical patent/CN104493045B/en
Publication of CN104493045A publication Critical patent/CN104493045A/en
Application granted granted Critical
Publication of CN104493045B publication Critical patent/CN104493045B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B21MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21JFORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J13/00Details of machines for forging, pressing, or hammering
    • B21J13/02Dies or mountings therefor
    • B21J13/03Die mountings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forging (AREA)

Abstract

The invention discloses a clamping device of a lower die base of a hot die forging press. The clamping device which is simple in structure, easy to operate and capable of improving production efficiency comprises a connecting rod, a connecting block, a pressing rod and a linear displacement driving device; one end of the pressing rod is a connecting end while the other end is a fixing end; one end of the connecting block is hinged to the connecting rod while the other end is hinged to the connecting end of the pressing rod; the connecting rod is driven through the linear displacement driving device; a pressing head used for pressing the lower die base is arranged on the pressing rod. The clamping device is simple in structure, quick and convenient to mount, low in manufacturing cost and simple to operate, fixation in the mounting process of the lower die base can be quickened, working efficiency is improved, labor intensity can be effectively lowered, and production cost is lowered.

Description

The clamping device of hotdie forging press die shoe
Technical field
The present invention relates to clamping device, especially a kind of clamping device of hotdie forging press die shoe.
Background technology
Known: in recent years, auto industry obtains develop rapidly, has driven the high speed development of Automobile Parts Industry.The demand of Forging Pieces increases day by day.In production process, how to increase production efficiency, reduce production cost, reduce labour intensity, ensure that product quality becomes the key of enterprise competitiveness.In hotdie forging press production process, die change system, mould replacing time has been one of subject matter affecting production efficiency.
At present, the die shoe clamping device of hotdie forging press is arranged on the lower surface of lower bearing bracket 17 of equipment.As shown in Figure 6, in installation process, the machined of lower bearing bracket 17 must be completed, and then lower bearing bracket 17 is turned, the die shoe clamping device processed is arranged on lower bearing bracket 17, then lower bearing bracket 17 is turned, then under enter melt pit.At present, die shoe device passes on lower bearing bracket 17 to lower bearing bracket 17 upper surface by a very long tie rod 100 from lower bearing bracket 17 lower surface, tie rod 100 one end outer rim machining screw, other end outer rim processing profile of tooth 104 engages with the tooth bar of device, and inside is processed with internal thread.During compressor operation, die shoe 14 is in stationary state, tie rod 100 upper end, threadably connecting T-shaped head 101, and T connector 101 lower surface and the pre-processed T-slot 102 of die holder compress.Tie rod 100 lower end, is connected with the first disc spring 103 by some mechanisms, and the elastic force using the first disc spring 103 realizes the clamping of die holder.When equipment needs die change seat, die holder is in releasing orientation, first tie rod 100 will be made to be in free state, then tie rod 100 half-twist is made by the motion of tooth bar, at this moment the both sides that the T connector 101 on tie rod 100 top is longer are parallel with the strip passage opened below die holder and have gap with passage, and die holder can pull out smoothly from equipment.
Its shortcoming is: complicated operation; Complex structure; Maintenance difficult; Production efficiency is low; Requirement installation accuracy is high.
Summary of the invention
It is simple that technical problem to be solved by this invention is to provide a kind of structure, simple to operate, the clamping device of the hotdie forging press die shoe that can enhance productivity.
The technical solution adopted for the present invention to solve the technical problems is: the clamping device of hotdie forging press die shoe, comprises connecting rod, contiguous block, compressor arm, linear displacement driving device;
Described compressor arm one end is link, and the other end is stiff end; Described contiguous block one end and rod hinge connection; The link of the other end and compressor arm is hinged;
Described connecting rod is driven by linear displacement driving device; Described compressor arm is provided with the hold-down head for compressing die shoe.
Further, the clamping device of hotdie forging press die shoe, also comprises fixed block, and the stiff end of described fixed block and compressor arm is hinged.
Preferably, described linear displacement driving device adopts hydraulic cylinder or pneumatic cylinder.
Preferably, described linear displacement driving device, comprises cylinder body, cylinder body lid, piston, piston rod;
Described cylinder body has inner chamber, and described piston is arranged in the inner chamber of cylinder body, and described piston and inner chamber are slidably matched;
One end of described inner chamber of cylinder block is sealed by cylinder body lid; Disc spring is provided with between the other end of inner chamber and piston;
Described piston rod one end is connected with piston, and the other end extends cylinder body through disc spring and is connected with connecting rod; Described cylinder body covers and is provided with oilhole.
Further, seal is provided with between described cylinder body lid and inner chamber of cylinder block.
Further, described inner chamber of cylinder block is provided with disc spring pad.
Preferably, the link of described contiguous block and compressor arm adopts anti-rotary head hinged.
Preferably, described contiguous block and connecting rod pass through hinge.
The invention has the beneficial effects as follows: the clamping device of hotdie forging press die shoe provided by the invention, driving articulated structure by arranging linear displacement driving device, the final function realizing compressing die shoe and unclamp die shoe.Thus simplify the structure, be convenient to the operation in die shoe clamping and release process, unclamping and fixing in die shoe installation process in die shoe Renewal process can be accelerated, thus shorten mould replacing time, increase work efficiency.In use, only the clamping device of hotdie forging press die shoe need be arranged in frame, and make the hold-down head of clamping device can compress die shoe and unclamp die shoe, not need to carry out high-precision installation.Thus make convenience quick for installation, avoid machined die holder being carried out to high accuracy and complexity; Thus be conducive to the manufacturing cost reducing die shoe clamping device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the clamping device of hotdie forging press die shoe in the embodiment of the present invention;
Structural representation when Fig. 2 is the clamping device work of hotdie forging press die shoe in the embodiment of the present invention;
Fig. 3 is the top view of Fig. 2;
Fig. 4 is the clamping device fundamental diagram of hotdie forging press die shoe in the embodiment of the present invention;
Fig. 5 is the clamping device of hotdie forging press die shoe operation principle schematic diagram when not arranging contiguous block;
Fig. 6 is the structural representation of existing die shoe clamping device;
Indicate in figure: 1-cylinder body; 2-cylinder body lid, 21-oilhole, 3-piston, 31-piston rod, 4-connecting rod, 5-bearing pin, 6-contiguous block, the anti-rotary head of 7-, 8-compressor arm, 81-hold-down head, 9-fixed block, 10-bolt hole, 11-disc spring pad, 12-disc spring, 13-seal, 14-die shoe, 15-backplate, 16-frame, 17-lower bearing bracket, 100-tie rod, 101-T type head, 102-T type groove, 103-first disc spring, 104-profile of tooth.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the clamping device of hotdie forging press die shoe, comprises connecting rod 4, contiguous block 6, compressor arm 8, linear displacement driving device;
Described compressor arm 8 one end is link, and the other end is stiff end; Described contiguous block 6 one end and connecting rod 4 hinged; The link of the other end and compressor arm 8 is hinged;
Described connecting rod 4 is driven by linear displacement driving device; Described compressor arm 8 is provided with the hold-down head 81 for compressing die shoe 14.
Described linear displacement driving device refers to the drive unit that can provide straight-line displacement.Pull bar 4 is provided with between described linear displacement driving device and contiguous block 6; Contiguous block 6 is driven by pull bar 4.
As shown in Figure 4, in figure, bold portion is the structural representation of die shoe 14 clamping device of hotdie forging press die shoe when compressing, and dotted portion is the structural representation of die shoe 14 clamping device of hotdie forging press die shoe when unclamping.
As can be seen from Figure 4 die shoe 14 is by being pressed in the process of unclamping, linear drive apparatus drive link 4 level moves right, connecting rod 4 drives contiguous block 6 to move, and contiguous block 6 rotates around the pin joint with connecting rod 4 in the process moved right simultaneously, and the final compressor arm 8 that drives rotates.Because contiguous block 6 rotates around the pin joint with connecting rod 4 in the process moved right simultaneously, therefore avoid due to after compressor arm 8 rotation, the horizontal level of compressor arm 8 link raises; Thus drive linear displacement driving device position to change.Rotated by the pin joint of contiguous block 6 around contiguous block 6 and connecting rod 4, eliminate the difference in level between compressor arm 8 link and linear displacement driving device.
As shown in Figure 5, in figure, bold portion is the structural representation that when not arranging contiguous block 6 in the clamping device of hotdie forging press die shoe, die shoe 14 compresses, and in figure, dotted portion is the structural representation that when not arranging contiguous block 6 in the clamping device of hotdie forging press die shoe, die shoe 14 unclamps.
As can be seen from Figure 5 when the clamping device of hotdie forging press die shoe is for arranging contiguous block 6, die shoe 14 is by being pressed in the process of unclamping, linear displacement driving device drive link 4 level moves right, connecting rod 4 Direct driver compressor arm 8 rotates, and the horizontal level that compressor arm 8 rotates the link of rear compressor arm 8 raises; Because connecting rod 4 is rigid connector, therefore by linear displacement driving device drive pull bar 4 horizontal displacement time the level height of linear displacement driving device also must be regulated to realize, wicking height is H as shown in Figure 5.Need to increase horizontal level adjusting device for this reason, thus make the complex structure of clamping device.
Pull bar 4 is provided with in sum between linear displacement driving device and contiguous block 6; Contiguous block 6 is driven by pull bar 4; Adjustment can be made easy, avoid regulating the horizontal level of drive unit; Simplify the structure.
As shown in Figure 2, in the course of work, first the compressed grooves 141 of mating with hold-down head 81 is set on die shoe 14; The clamping device of hotdie forging press die shoe is arranged in frame 16; The stiff end of compressor arm 8 is hinged in frame 16, makes hold-down head 81 and compressed grooves 141 adaptation; Linear displacement driving device is fixedly mounted in frame 16.Hotdie forging press four frames 16 all carry out above-mentioned installation.As shown in Figure 2, in the process of installing, die shoe 14 is arranged on lower bearing bracket 17, can arrange backplate 15 between die shoe 14 and lower bearing bracket 17.
When needs compress die shoe 14; Start linear displacement driving device drive link 4 to left dislocation, connecting rod 4 pulls connecting rod 6 to left dislocation; Connecting rod 6 pulls compressor arm 8; Due to the stiff end of compressor arm 8 and frame 16 hinged, therefore compressor arm 8 can rotate clockwise around the pin joint with frame 16, thus makes the hold-down head 81 of compressor arm 8 be pressed into compressed grooves 141, compresses die shoe 14.
When needs change die shoe 14, when unclamping die shoe 14; Start the displacement to the right of linear displacement driving device drive link 4, connecting rod 4 pulls connecting rod 6 displacement to the right; Connecting rod 6 pulls compressor arm 8; Due to the stiff end of compressor arm 8 and frame 16 hinged, therefore compressor arm 8 can rotate counterclockwise around the pin joint with frame 16, thus the hold-down head 81 of compressor arm 8 is exited from compressed grooves 141, thus unclamps die shoe 14; Make die shoe 14 be in can be up and down state.
But by traditional clamping device to the clamping of die shoe 14 with unclamp the concrete course of work as stated in the Background Art.
The clamping device of hotdie forging press die shoe of the present invention is compared with conventional clamping apparatus, clamping device and traditional clamping device of hotdie forging press die shoe of the present invention all have employed drive unit, the present invention adopts drive unit to drive linkwork, linkwork arranges hold-down head 81 and compresses die shoe 14 by hold-down head 81.Traditional clamping device drives pull bar by drive unit and on pull bar, arranges screw thread, gear; The rotation controlling T connector 101 is coordinated by the transmission of wheel and rack; Thus compress and unclamp die shoe 14.Traditional clamping device complex structure screw thread, tooth Profile Machining difficulty, processing cost is high.Therefore the clamping device of hotdie forging press die shoe of the present invention relatively with existing conventional clamping apparatus, structure is simple, manufactures cheap; Convenience quick for installation, low cost of manufacture.
Simultaneously from the course of work of the course of work of conventional clamping apparatus and the clamping device of hotdie forging press die shoe of the present invention, first traditional clamping device will drive pull bar to move to drive T connector 101 to rotate in T-slot 102 in the process of work; T connector 101 also will be driven to compress die shoe 14 simultaneously; Therefore complicated operation; In order to ensure the cooperation of T connector 101 and T-slot 102, installation accuracy requires higher; And the clamping device of hotdie forging press die shoe of the present invention only needs drive link 4 to realize straight-line displacement to different directions in the clamping of die shoe 14 and the process of unclamping can realize.Therefore simple to operate, can labour intensity be effectively reduced, increase work efficiency, shorten mould replacing time, reduce production cost.
For the ease of installing, the clamping device of hotdie forging press die shoe, also comprises fixed block 9, and described fixed block 9 is hinged with the stiff end of compressor arm 8.By the hinged stiff end avoiding compressor arm 8 of fixed block 9 and the stiff end of compressor arm 8 directly and frame 16 carry out hinged.Owing to needing the processed complex carried out frame 16 when the stiff end of compressor arm 8 is directly hinged on frame 16, hinged poor stability, easily loosens simultaneously.Therefore hinged with the stiff end of compressor arm 8 by fixed block 9, and fixed block 9 is installed in frame 16, bolt hole 10 is set preferably through on fixed block 9, by bolt, fixed block 9 is arranged in frame 16.Therefore avoid and carry out processing the mechanism destroying frame to frame, be convenient to the adjustment of position simultaneously.
Linear displacement driving device refers to the device that connecting rod 4 can be made to carry out straight-line displacement, for the ease of controlling, reduces costs simultaneously; Described linear displacement driving device adopts hydraulic cylinder or pneumatic cylinder.Hydraulic cylinder or pneumatic cylinder is adopted to be convenient to Automated condtrol; Only need select suitable model.Hydraulic cylinder and cylinder are that universal product cost common on market is also lower.
In order to the working environment that the workplace and hotdie forging press die shoe 14 that adapt to hotdie forging press die shoe 14 clamping clamp.Further make to clamp and the control of unclamping simple; A kind of preferred embodiment of linear displacement driving device is as shown in Figure 1, and described linear displacement driving device, comprises cylinder body 1, cylinder body lid 2, piston 3, piston rod 31; Described cylinder body 1 has inner chamber, and described piston 3 is arranged in the inner chamber of cylinder body 1, and described piston 3 is slidably matched with inner chamber; One end of described cylinder body 1 inner chamber is sealed by cylinder body lid 2; Disc spring 12 is provided with between the other end of inner chamber and piston 3; Described piston rod 31 one end is connected with piston 3, and the other end extends cylinder body 1 through disc spring 12 and is connected with connecting rod 4; Described cylinder body lid 2 is provided with oilhole 21.
Owing to adopting hydraulic cylinder or pneumatic cylinder, pneumatic cylinder or hydraulic cylinder must be made to be contraction state when clamping die shoe 14, flexible hydraulic oil or the air realization all being entered cylinder body by control of hydraulic cylinder and pneumatic cylinder.Therefore hydraulic control cylinder or pneumatic cylinder extended length is wanted to ensure clamping; More difficult.And hydraulic control cylinder and pneumatic cylinder easily occur oil return, return-air phenomenon after clamping die shoe 14, clamping is unstable.And adopt above-mentioned linear displacement driving device by arranging disc spring 12 in cylinder body 1; By the contraction state of disc spring 12 control piston, when disc spring 12 is complete diastole state, the piston 3 in cylinder body 1 connects piston rod 31; Piston cylinder 31 is retracted to most short status.Therefore shunk by disc spring 12 piston rod 31 when clamping die shoe 14; And the disc spring 12 also not diastole completely when hold-down head 81 compresses die shoe 14 is adjusted in the position of the hold-down head 81 driven by linkwork by piston rod 31.Thus making when hold-down head 81 compresses die shoe 14, disc spring 12 provides a thrust all the time; Ensure that the stability of compression.Change in the process of unclamping needing die shoe 14 needs to carry out; Only need pass into hydraulic oil compression disc spring 12 by cylinder body lid 2 being provided with oilhole 21, thus piston rod 31 can stretch out cylinder body 1 under the pressure of hydraulic oil; Then promote hold-down head 81 and unclamp die shoe 14.Unclamp as long as the releasing orientation due to die shoe 14 is replacing state, do not need strict control.And the impaction state of die shoe 14 to be production status must ensure compresses.Therefore adopt above-mentioned linear displacement driving device that control can be made easy, ensure the stability compressed.
In order to avoid cylinder body 1 occurs leakage of oil when passing into hydraulic oil; Seal 13 is provided with between described cylinder body lid 2 and cylinder body 1 inner chamber.Sealed by seal 13; In the guarantee equipment course of work, hydraulic oil there will not be leakage.
In order to avoid disc spring 12 causes damage to the inner chamber of cylinder body 1 under huge elastic force; As shown in Figure 1, described cylinder body 1 inner chamber is provided with disc spring pad 11.Disc spring 12 is contacted with inner chamber of cylinder block by disc spring pad 11; Thus directly exert a force on disc spring pad 11 under the effect of elastic force, avoid and damage is caused to cylinder body 1.
When die shoe 14 is when unclamping, because disc spring 12 is compressed, under the elastic force of disc spring 12, piston rod 31 has the trend reclaimed; When hydraulic pressure is unstable; Piston rod 31 there will be retraction; In order to avoid the generation of this kind of situation is further, adopt anti-rotary head 7 hinged at described contiguous block 6 with the link of compressor arm 8.After preventing hold-down head 81 to be adjusted to assigned address by anti-rotary head 7, hold-down cylinder 8 so rotates.Therefore improve the stability of equipment work.
Preferred described contiguous block 6 is hinged by bearing pin 5 with connecting rod 4.Because hinge is simple and reliable; Therefore cost is low, quick for installation.

Claims (8)

1. the clamping device of hotdie forging press die shoe, is characterized in that: comprise connecting rod (4), contiguous block (6), compressor arm (8), linear displacement driving device;
Described compressor arm (8) one end is link, and the other end is stiff end; Described contiguous block (6) one end and connecting rod (4) hinged; The link of the other end and compressor arm (8) is hinged;
Described connecting rod (4) is driven by linear displacement driving device; Described compressor arm (8) is provided with the hold-down head (81) for compressing die shoe (14).
2. the clamping device of hotdie forging press die shoe as claimed in claim 1, is characterized in that: also comprise fixed block (9), and described fixed block (9) is hinged with the stiff end of compressor arm (8).
3. the clamping device of hotdie forging press die shoe as claimed in claim 2, is characterized in that: described linear displacement driving device adopts hydraulic cylinder or pneumatic cylinder.
4. the clamping device of hotdie forging press die shoe as claimed in claim 2, it is characterized in that: described linear displacement driving device, comprise cylinder body (1), cylinder body lid (2), piston (3), piston rod (31);
Described cylinder body (1) has inner chamber, and described piston (3) is arranged in the inner chamber of cylinder body (1), and described piston (3) and inner chamber are slidably matched;
One end of described cylinder body (1) inner chamber is sealed by cylinder body lid (2); Disc spring (12) is provided with between the other end of inner chamber and piston (3);
Described piston rod (31) one end is connected with piston (3), and the other end extends cylinder body (1) through disc spring (12) and is connected with connecting rod (4); Described cylinder body lid (2) is provided with oilhole (21).
5. the clamping device of hotdie forging press die shoe as claimed in claim 4, is characterized in that: be provided with seal (13) between described cylinder body lid (2) and cylinder body (1) inner chamber.
6. the clamping device of hotdie forging press die shoe as claimed in claim 5, is characterized in that: described cylinder body (1) inner chamber is provided with disc spring pad (11).
7. the clamping device of the hotdie forging press die shoe as described in claim 3 or 4, is characterized in that: described contiguous block (6) adopts anti-rotary head (7) hinged with the link of compressor arm (8).
8. the clamping device of the hotdie forging press die shoe as described in claim 3 or 4, is characterized in that: described contiguous block (6) is hinged by bearing pin (5) with connecting rod (4).
CN201410624077.6A 2014-11-07 2014-11-07 The clamping device of hotdie forging press die shoe Active CN104493045B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410624077.6A CN104493045B (en) 2014-11-07 2014-11-07 The clamping device of hotdie forging press die shoe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410624077.6A CN104493045B (en) 2014-11-07 2014-11-07 The clamping device of hotdie forging press die shoe

Publications (2)

Publication Number Publication Date
CN104493045A true CN104493045A (en) 2015-04-08
CN104493045B CN104493045B (en) 2016-11-30

Family

ID=52934545

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410624077.6A Active CN104493045B (en) 2014-11-07 2014-11-07 The clamping device of hotdie forging press die shoe

Country Status (1)

Country Link
CN (1) CN104493045B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113309937A (en) * 2021-07-28 2021-08-27 浙江索特重工科技有限公司 High-temperature-resistant hydraulic lock with wedge-shaped chuck

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202655424U (en) * 2012-05-25 2013-01-09 芜湖勤惠科技有限公司 Hand-pulling quick clamp of blanking mould
JP2013202652A (en) * 2012-03-28 2013-10-07 Kobe Steel Ltd Forging die device
CN103406844A (en) * 2013-07-09 2013-11-27 西北工业大学 Tool for locating and clamping small enclosed frame in aircraft wall panel assembly
CN103753247A (en) * 2013-11-25 2014-04-30 重庆天之道科技发展有限公司 Double-arm single-action hinge clamping device
CN103753258A (en) * 2013-12-19 2014-04-30 重庆信奇建材机械制造有限公司 Crank clamping device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013202652A (en) * 2012-03-28 2013-10-07 Kobe Steel Ltd Forging die device
CN202655424U (en) * 2012-05-25 2013-01-09 芜湖勤惠科技有限公司 Hand-pulling quick clamp of blanking mould
CN103406844A (en) * 2013-07-09 2013-11-27 西北工业大学 Tool for locating and clamping small enclosed frame in aircraft wall panel assembly
CN103753247A (en) * 2013-11-25 2014-04-30 重庆天之道科技发展有限公司 Double-arm single-action hinge clamping device
CN103753258A (en) * 2013-12-19 2014-04-30 重庆信奇建材机械制造有限公司 Crank clamping device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113309937A (en) * 2021-07-28 2021-08-27 浙江索特重工科技有限公司 High-temperature-resistant hydraulic lock with wedge-shaped chuck
CN113309937B (en) * 2021-07-28 2021-10-15 浙江索特重工科技有限公司 High-temperature-resistant hydraulic lock with wedge-shaped chuck

Also Published As

Publication number Publication date
CN104493045B (en) 2016-11-30

Similar Documents

Publication Publication Date Title
CN201105382Y (en) Self-holding swiveling mechanism
CN203900960U (en) Pneumatic hinge clamping tool
CN101367098A (en) Bending and molding machine for metal sheet member
CN104128733A (en) Adjustable welding set
CN212070018U (en) High-precision bending device for hardware machining
CN104191204A (en) Machine tool special for riveting globe joint
CN108817909B (en) Pressing mechanism of oil coating and press mounting guide rod device of brake caliper support
CN104493045A (en) Clamping device of lower die base of hot die forging press
CN207495041U (en) It pitches class part and bores boring earhole and milling two sides tooling
CN113680941A (en) Bidirectional hammering forging press
CN110788477B (en) Groove beam machining system
CN103552181B (en) A kind of quick costume changing method of rubber-moulding mould
CN203599917U (en) Clamp workbench applied to precision fan-shaped ceramic part
CN202683907U (en) Hydraulic upper anvil clamping, rotating and rapid replacing device for downward-pull type forging press
CN202461225U (en) Bending machine of solar panel core discharge pipes
CN112207541A (en) Electric vacuum pump driving sleeve assembling device
CN201693375U (en) Compressing device of withdrawing lever oil cylinder
CN210387396U (en) Open type press for sculpture
CN220611726U (en) Positioning and compacting device of rolling tool
CN220700270U (en) Buffer gear for injection mold
CN220970671U (en) Clamp for forging die
CN113275424B (en) Bending equipment for brake pipe joint
CN214866219U (en) Gear cold extrusion die convenient to drawing of patterns
CN117733595B (en) Special fixture for bearing machining
CN221209623U (en) Metal plate indent bending die

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20180316

Address after: 618013 Deyang Pearl River West Road, Sichuan, No. 460

Patentee after: Double (Deyang) heavy equipment Co., Ltd.

Address before: 618013 Deyang Pearl River West Road, Sichuan, No. 460

Patentee before: Erzhong Group (Deyang) Heavy Equipment Co., Ltd.

TR01 Transfer of patent right