CN213256335U - Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw - Google Patents

Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw Download PDF

Info

Publication number
CN213256335U
CN213256335U CN202022201732.0U CN202022201732U CN213256335U CN 213256335 U CN213256335 U CN 213256335U CN 202022201732 U CN202022201732 U CN 202022201732U CN 213256335 U CN213256335 U CN 213256335U
Authority
CN
China
Prior art keywords
fixedly connected
socket head
head cap
top end
die
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.)
Active
Application number
CN202022201732.0U
Other languages
Chinese (zh)
Inventor
张跃
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.)
Suzhou Zhongyuecheng Precision Machinery Co ltd
Original Assignee
Suzhou Zhongyuecheng Precision Machinery 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 Suzhou Zhongyuecheng Precision Machinery Co ltd filed Critical Suzhou Zhongyuecheng Precision Machinery Co ltd
Priority to CN202022201732.0U priority Critical patent/CN213256335U/en
Application granted granted Critical
Publication of CN213256335U publication Critical patent/CN213256335U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The utility model discloses a hexagonal extrusion die in special cylinder head socket head cap screw, concretely relates to special cylinder head socket head cap screw technical field, comprising a base plate, the top fixedly connected with framework of bottom plate. The utility model discloses an inside at the lower mould is provided with ejection of compact structure, after the hexagonal extrusion is good in the screw, it rotates to drive the threaded spindle of swing joint between the inside both sides of lower mould through rotating the carousel, the threaded spindle drive sets up the movable block relative motion in its outside, thereby reach the purpose of reducing the angle between the hinge bar, rise to articulated scraping wings with it when the angle diminishes between the hinge bar, thereby realized the ejecting effect of screw after will extruding, fixed connection is at the outside slip of movable block at the gag lever post along with the removal of movable block at the slider of movable block bottom, play and carry out spacing effect to the movable block, prevent that upset influences the use around the movable block, discharging efficiency is improved, the danger of work has been reduced.

Description

Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw
Technical Field
The utility model relates to a special socket head cap screw technical field specifically is a special socket head cap screw hexagon socket head cap extrusion mould.
Background
The screw is widely applied to the aspects of life and production as a fastener, various types of screws are derived from the screw according to different use scenes, the special purpose of the socket head cap screw is high, the processing technology of the socket head cap screw is different from that of other screws due to the fact that the socket head cap screw has high strength and a special installation mode, and the existing special socket head cap screw socket head extrusion die for the socket head cap screw still has some defects when the socket head cap screw is punched.
In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved:
(1) the traditional inner hexagonal extrusion die for the special cylindrical-head inner hexagonal screw needs to manually take out the punched screw, so that the danger is high;
(2) the traditional special inner hexagon extrusion die for the socket head cap screw cannot guide in die assembly and stamping, so that the phenomenon of deviation is easy to occur, and the processing quality is influenced;
(3) the traditional special socket head cap screw socket head cap extrusion die can not effectively replace the drill rod, and is very inconvenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a hexagonal extrusion die in special cylinder head hexagon socket head cap screw to the problem of the screw that needs the manual work to take out the punching press is provided in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a special socket head cap screw hexagon socket head cap extrusion mould, includes the bottom plate, the top fixedly connected with framework of bottom plate, the intermediate position department fixedly connected with hydraulic oil pump on the inside top of framework, the intermediate position department fixedly connected with brace table on bottom plate top, the top fixedly connected with lower mould of brace table, the hydraulic stem has been pegged graft to the bottom of hydraulic oil pump, the bottom fixedly connected with of hydraulic stem goes up the mould, both sides between last mould and the lower mould are provided with guide structure respectively, the intermediate position department of going up the mould bottom is provided with the punching press drill rod, be provided with between the top of punching press drill rod and the bottom of last mould and dismantle the structure, the intermediate position department on lower mould top is provided with the standing groove, the inside of lower mould is provided with ejection of compact.
The discharging structure comprises a threaded shaft, the threaded shaft is movably connected between two sides inside the lower die, one side of the threaded shaft penetrates through one side of the lower die, a rotary table is fixedly connected to one side of the threaded shaft, a limiting rod is fixedly connected to the bottom between two sides inside the lower die, moving blocks are respectively arranged on two sides outside the threaded shaft, sliding blocks are respectively and fixedly connected to the bottom ends of the moving blocks, the limiting rod penetrates through the sliding blocks, hinged rods are respectively movably hinged to the top ends of the moving blocks, and a material pushing plate is movably hinged to the top ends of the hinged rods.
Preferably, the moving blocks are symmetrically distributed about a vertical center line of the threaded shaft.
Preferably, guide structure comprises a fixed cylinder, a protective hose, a guide post and a limiting sleeve, the fixed cylinder is fixed connection respectively in the both sides of last mould bottom, the guide post is fixed connection respectively in the both sides on lower mould top, the bottom of the fixed cylinder is run through on the top of guide post, the outside bottom of guide post is provided with the protective hose, the top of protective hose respectively with the bottom fixed connection of fixed cylinder, the bottom of protective hose respectively with the top fixed connection of lower mould, the outside top fixedly connected with limiting sleeve of guide post.
Preferably, the diameter of the guide post is smaller than the inner diameter of the limiting sleeve, and the diameter of the limiting sleeve is smaller than the inner diameter of the fixed cylinder.
Preferably, the dismounting structure comprises a fixing groove, a connecting block, a fixing column and a base plate, the fixing groove is fixedly connected to the middle position of the bottom end of the upper die, the connecting block is fixedly connected to the top end of the stamping drill rod, the fixing column is arranged inside the fixing groove, the bottom end of the fixing column is fixedly connected to the top end of the connecting block, and the base plate is fixedly connected to the top end of the inside of the fixing groove.
Preferably, the outside of fixed column is provided with the external screw thread, the inside of fixed slot is provided with the internal thread with external screw thread matched with, fixed column and fixed slot constitute threaded connection.
Compared with the prior art, the beneficial effects of the utility model are that: the special inner hexagon extrusion die for the socket head cap screws not only realizes that the punched screws do not need to be taken out manually, realizes guiding during die assembly and punching, but also realizes effective replacement of drill rods;
(1) through the arrangement of the discharging structure in the lower die, after the screws are extruded by the hexagon socket head, the threaded shafts movably connected between two sides in the lower die are driven to rotate by rotating the rotary table, the threaded shafts drive the moving blocks arranged outside the threaded shafts to move oppositely, so that the aim of reducing the angle between the hinge rods is fulfilled, the pushing plates hinged with the hinge rods are lifted while the angle between the hinge rods is reduced, the effect of ejecting the extruded screws is achieved, the sliding blocks fixedly connected to the bottom ends of the moving blocks slide outside the limiting rods along with the movement of the moving blocks, the effect of limiting the moving blocks is achieved, the moving blocks are prevented from being overturned forwards and backwards to influence the use, the discharging efficiency is improved, and the working risk is reduced;
(2) the guide structures are respectively arranged on two sides between the upper die and the lower die, the guide posts fixedly connected with two sides of the top end of the lower die are inserted into the fixed cylinders fixedly connected with two sides of the bottom end of the upper die, the guide posts move up and down in the fixed cylinders when punching is performed, a stabilizing effect is achieved on up-and-down die assembly, the phenomenon of deviation generated during die assembly is prevented from influencing punching quality, the protective hoses arranged outside the guide posts play a role in protecting the guide posts, the limiting sleeves fixedly connected with the top ends of the outer portions of the guide posts move up and down in the fixed cylinders along with the guide posts, the guide posts and the fixed cylinders are ensured to be in the same vertical horizontal line during die assembly, and the guide stability is further improved;
(3) through being provided with the dismantlement structure between the top at the punching press drill rod and the bottom of last mould, connect fixed column and punching press drill rod through the connecting block and fix, the fixed column sets up inside the fixed slot simultaneously, and it is fixed with fixed column and fixed slot connection through threaded connection, and fixed slot fixed connection is in the intermediate position department of last mould bottom, thereby reached and connected the purpose of fixed mounting in last mould bottom with the punching press drill rod, but convenient and fast changes the maintenance to the punching press drill rod simultaneously, the work efficiency of device has been improved.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 2 is a schematic view of the front view structure of the discharging structure of the present invention;
fig. 3 is a front view structure diagram of the guiding structure of the present invention;
fig. 4 is an enlarged partial cross-sectional view of the point a in fig. 1 according to the present invention.
In the figure: 1. a base plate; 2. a frame body; 3. a lower die; 4. a guide structure; 401. a fixed cylinder; 402. a protective hose; 403. a guide post; 404. a limiting sleeve; 5. an upper die; 6. a hydraulic oil pump; 7. a hydraulic lever; 8. disassembling the structure; 801. fixing grooves; 802. connecting blocks; 803. fixing a column; 804. a base plate; 9. punching a drill rod; 10. a placement groove; 11. a turntable; 12. a support table; 13. a threaded shaft; 14. a moving block; 15. a material pushing plate; 16. a hinged lever; 17. a slider; 18. a limiting rod.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1: referring to fig. 1-4, a special socket head cap screw socket head cap extrusion die comprises a bottom plate 1, a frame 2 fixedly connected to the top end of the bottom plate 1, a hydraulic oil pump 6 fixedly connected to the middle position of the top end inside the frame 2, the hydraulic oil pump 6 can be YCY14-1B in model, a supporting table 12 is fixedly connected at the middle position of the top end of a bottom plate 1, a lower die 3 is fixedly connected at the top end of the supporting table 12, a hydraulic rod 7 is inserted at the bottom end of the hydraulic oil pump 6, an upper die 5 is fixedly connected at the bottom end of the hydraulic rod 7, guide structures 4 are respectively arranged at two sides between the upper die 5 and the lower die 3, a stamping drill rod 9 is arranged at the middle position of the bottom end of the upper die 5, a dismounting structure 8 is arranged between the top end of the stamping drill rod 9 and the bottom end of the upper die 5, a placing groove 10 is arranged at the middle position of the top end of the lower die 3;
referring to fig. 1-4, the special socket head cap screw socket head cap extrusion die further comprises a discharge structure, the discharge structure comprises a threaded shaft 13, the threaded shaft 13 is movably connected between two sides inside the lower die 3, one side of the threaded shaft 13 penetrates through one side of the lower die 3, one side of the threaded shaft 13 is fixedly connected with a rotary table 11, the bottom end between two sides inside the lower die 3 is fixedly connected with a limiting rod 18, two sides outside the threaded shaft 13 are respectively provided with a movable block 14, the bottom ends of the movable blocks 14 are respectively and fixedly connected with a sliding block 17, the limiting rod 18 penetrates through the sliding block 17, the top ends of the movable blocks 14 are respectively and movably hinged with a hinge rod 16, and the top ends of the hinge rods 16 are;
the moving blocks 14 are symmetrically distributed about the vertical center line of the threaded shaft 13;
specifically, as shown in fig. 1 and 2, after the hexagon socket head screw is extruded, the rotary table 11 is rotated to drive the threaded shaft 13 movably connected between two sides inside the lower die 3 to rotate, the threaded shaft 13 drives the moving block 14 arranged outside the threaded shaft to move oppositely, so that the purpose of reducing the angle between the hinged rods 16 is achieved, the pushing plate 15 hinged with the hinged rods 16 is lifted while the angle between the hinged rods 16 is reduced, so that the effect of ejecting the extruded screw is achieved, the sliding block 17 fixedly connected to the bottom end of the moving block 14 slides outside the limiting rod 18 along with the movement of the moving block 14, the effect of limiting the moving block 14 is achieved, the moving block 14 is prevented from being overturned forwards and backwards to influence use, the discharging efficiency is improved, and the working risk is reduced.
Example 2: the guide structure 4 comprises a fixed cylinder 401, a protective hose 402, guide posts 403 and a limiting sleeve 404, the fixed cylinder 401 is respectively and fixedly connected with two sides of the bottom end of the upper die 5, the guide posts 403 are respectively and fixedly connected with two sides of the top end of the lower die 3, the top ends of the guide posts 403 penetrate through the bottom end of the fixed cylinder 401, the protective hose 402 is arranged at the bottom end of the outer part of the guide posts 403, the top end of the protective hose 402 is respectively and fixedly connected with the bottom end of the fixed cylinder 401, the bottom ends of the protective hose 402 are respectively and fixedly connected with the top end of the lower die 3, and the top end of the outer part;
the diameter of the guide post 403 is smaller than the inner diameter of the limiting sleeve 404, and the diameter of the limiting sleeve 404 is smaller than the inner diameter of the fixed cylinder 401;
specifically, as shown in fig. 1 and 3, the guide posts 403 fixedly connected to two sides of the top end of the lower die 3 are inserted into the fixed cylinders 401 fixedly connected to two sides of the bottom end of the upper die 5, the guide posts 403 move up and down in the fixed cylinders 401 when punching is performed, so that a stable effect is achieved on vertical die assembly, the influence on punching quality caused by the phenomenon of deviation during die assembly is prevented, the protective hoses 402 arranged outside the guide posts 403 play a role in protecting the guide posts 403, the limiting sleeves 404 fixedly connected to the top ends of the guide posts 403 and the fixed cylinders 403 move up and down in the fixed cylinders 401 along with the guide posts 403, it is ensured that the guide posts 403 and the fixed cylinders 401 are located on the same vertical horizontal line during die assembly, and the guiding stability is further improved.
Example 3: the dismounting structure 8 consists of a fixing groove 801, a connecting block 802, a fixing column 803 and a base plate 804, wherein the fixing groove 801 is fixedly connected to the middle position of the bottom end of the upper die 5, the connecting block 802 is fixedly connected to the top end of the stamping drill rod 9, the fixing column 803 is arranged inside the fixing groove 801, the bottom end of the fixing column 803 is fixedly connected with the top end of the connecting block 802, and the base plate 804 is fixedly connected to the top end inside the fixing groove 801;
an external thread is arranged outside the fixing column 803, an internal thread matched with the external thread is arranged inside the fixing groove 801, and the fixing column 803 and the fixing groove 801 are in threaded connection;
specifically, as shown in fig. 1 and 4, the fixing column 803 and the punching drill rod 9 are fixedly connected through the connecting block 802, the fixing column 803 is arranged inside the fixing groove 801, the fixing column 803 and the fixing groove 801 are fixedly connected through threaded connection, and the fixing groove 801 is fixedly connected to the middle position of the bottom end of the upper die 5, so that the purpose of fixedly connecting and installing the punching drill rod 9 at the bottom end of the upper die 5 is achieved, meanwhile, the punching drill rod 9 can be conveniently and quickly replaced and maintained, and the working efficiency of the device is improved.
The working principle is as follows: the utility model discloses when using, at first, after the screw allen is extruded, through rotating carousel 11 and driving swing joint the screw shaft 13 rotation between 3 inside both sides of lower mould, screw shaft 13 drive sets up the movable block 14 relative motion in its outside, thereby reach the purpose of reducing the angle between hinge bar 16, the articulated scraping wings 15 that articulated with it rose when the angle diminishes between hinge bar 16, thereby realized the ejecting effect of the screw after will extruding, fixed connection is at the outside slip of slider 17 at gag lever post 18 along with the removal of movable block 14 in the movable block 14 bottom, play and carry out spacing effect to movable block 14, prevent that upset influence from using around the movable block 14, discharging efficiency is improved, the danger of work has been reduced.
Afterwards, the guide posts 403 fixedly connected to two sides of the top end of the lower die 3 are inserted into the fixed cylinders 401 fixedly connected to two sides of the bottom end of the upper die 5, the guide posts 403 move up and down in the fixed cylinders 401 when punching is performed, a stabilizing effect is achieved on vertical die assembly, the phenomenon that deviation occurs during die assembly is prevented from affecting punching quality, the protective hoses 402 arranged outside the guide posts 403 play a protective role on the guide posts 403, the limiting sleeves 404 fixedly connected to the top ends of the guide posts 403 and the fixed cylinders 401 move up and down in the fixed cylinders 401 along with the guide posts 403 at the same time, the guide posts 403 and the fixed cylinders 401 are located on the same vertical horizontal line when die assembly is achieved, and guiding stability is further improved.
Finally, fixed column 803 and punching press drill rod 9 are connected fixedly through connecting block 802, and fixed column 803 sets up inside fixed slot 801 simultaneously, and connect fixed column 803 and fixed slot 801 fixedly through threaded connection, and fixed slot 801 fixed connection is in the intermediate position department of last mould 5 bottom, thereby reached and connected the purpose of fixed mounting in last mould 5 bottom with punching press drill rod 9, but simultaneously convenient and fast changes the maintenance to punching press drill rod 9, has improved the work efficiency of device.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a special socket head cap screw hexagon socket head cap extrusion mould, includes bottom plate (1), its characterized in that: the punching and punching device is characterized in that a frame body (2) is fixedly connected to the top end of the bottom plate (1), a hydraulic oil pump (6) is fixedly connected to the middle position of the top end inside the frame body (2), a supporting table (12) is fixedly connected to the middle position of the top end of the bottom plate (1), a lower die (3) is fixedly connected to the top end of the supporting table (12), a hydraulic rod (7) is inserted into the bottom end of the hydraulic oil pump (6), an upper die (5) is fixedly connected to the bottom end of the hydraulic rod (7), guide structures (4) are respectively arranged on two sides between the upper die (5) and the lower die (3), a punching drill rod (9) is arranged at the middle position of the bottom end of the upper die (5), a dismounting structure (8) is arranged between the top end of the punching drill rod (9) and the bottom end of the upper die (, a discharging structure is arranged inside the lower die (3);
the discharging structure comprises a threaded shaft (13), the threaded shaft (13) is movably connected between two sides of the inner part of a lower die (3), one side of the threaded shaft (13) penetrates through one side of the lower die (3), a rotary table (11) is fixedly connected to one side of the threaded shaft (13), a limiting rod (18) is fixedly connected to the bottom end of the inner part of the lower die (3), two sides of the outer part of the threaded shaft (13) are respectively provided with a movable block (14), the bottom end of the movable block (14) is respectively and fixedly connected with a sliding block (17), the limiting rod (18) penetrates through the sliding block (17), the top end of the movable block (14) is respectively and movably hinged with a hinged rod (16), and the top end of the hinged rod (16) is movably hinged with a material.
2. The special socket head cap screw socket head cap extrusion die of claim 1, wherein: the moving blocks (14) are symmetrically distributed about the vertical center line of the threaded shaft (13).
3. The special socket head cap screw socket head cap extrusion die of claim 1, wherein: guide structure (4) comprise solid fixed cylinder (401), protective hose (402), guide post (403) and spacing sleeve (404), gu fixed cylinder (401) fixed connection is respectively in the both sides of last mould (5) bottom, guide post (403) fixed connection is respectively in the both sides on lower mould (3) top, the bottom of gu fixed cylinder (401) is run through on the top of guide post (403), the outside bottom of guide post (403) is provided with protective hose (402), the top of protective hose (402) respectively with the bottom fixed connection of gu fixed cylinder (401), the bottom of protective hose (402) respectively with the top fixed connection of lower mould (3), the outside top fixedly connected with spacing sleeve (404) of guide post (403).
4. The inner hexagonal extrusion die for the special socket head cap screw according to claim 3, wherein: the diameter of the guide column (403) is smaller than the inner diameter of the limiting sleeve (404), and the diameter of the limiting sleeve (404) is smaller than the inner diameter of the fixed cylinder (401).
5. The special socket head cap screw socket head cap extrusion die of claim 1, wherein: the dismounting structure (8) is composed of a fixing groove (801), a connecting block (802), a fixing column (803) and a base plate (804), the fixing groove (801) is fixedly connected to the middle position of the bottom end of the upper die (5), the connecting block (802) is fixedly connected to the top end of the stamping drill rod (9), the fixing column (803) is arranged inside the fixing groove (801), the bottom end of the fixing column (803) is fixedly connected with the top end of the connecting block (802), and the base plate (804) is fixedly connected to the top end of the fixing groove (801).
6. The special socket head cap screw socket head cap extrusion die of claim 5, wherein: the external thread is arranged on the external part of the fixing column (803), the internal thread matched with the external thread is arranged on the internal part of the fixing groove (801), and the fixing column (803) and the fixing groove (801) are in threaded connection.
CN202022201732.0U 2020-09-30 2020-09-30 Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw Active CN213256335U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022201732.0U CN213256335U (en) 2020-09-30 2020-09-30 Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022201732.0U CN213256335U (en) 2020-09-30 2020-09-30 Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw

Publications (1)

Publication Number Publication Date
CN213256335U true CN213256335U (en) 2021-05-25

Family

ID=75947395

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022201732.0U Active CN213256335U (en) 2020-09-30 2020-09-30 Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw

Country Status (1)

Country Link
CN (1) CN213256335U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117505570A (en) * 2023-12-18 2024-02-06 重庆禾芮卓机械有限公司 Cold extrusion device for processing shock absorber piston

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117505570A (en) * 2023-12-18 2024-02-06 重庆禾芮卓机械有限公司 Cold extrusion device for processing shock absorber piston

Similar Documents

Publication Publication Date Title
CN213256335U (en) Inner hexagonal extrusion die for special cylindrical-head inner hexagonal screw
CN113884332B (en) Portable soil acquisition drilling equipment of degree of depth adjustable
CN110539358A (en) step-by-step drilling device for carbon fiber composite material and using method thereof
CN210413418U (en) SMC clamp screw dismounting machine
CN218874197U (en) Welding device for aluminum alloy section doors and windows
CN218363395U (en) Extruded aluminum profile cutting equipment
CN203003940U (en) Strip-shaped workpiece end portion shoveling device
CN221185254U (en) Stainless steel welding mechanism
CN220560249U (en) Female die structure of aluminum profile extrusion die
CN218591620U (en) Stamping die structure convenient to change installation
CN219588478U (en) Mounting frame for mounting security equipment
CN217018938U (en) Perforating machine convenient to change and dismantle centrum
CN219703036U (en) Energy-saving aluminum profile extruder
CN216695606U (en) Tire limiter for automobile detection
CN219746000U (en) Punching equipment for aluminum alloy window frame
CN216324994U (en) Automatic cover blocking device for centrifugal cast pipe
CN210362378U (en) Plastic extruder die head
CN202461933U (en) Assembly and disassembly device for mould locking and adjusting device
CN218692927U (en) A punching machine for machine parts production usefulness
CN214053365U (en) Aluminum alloy extrusion die convenient to maintain
CN219833713U (en) Bus duct socket
CN220880368U (en) Ring rolling device for processing high-neck flange piece
CN220453339U (en) Security on-duty monitoring device
CN219840669U (en) Quick assembly disassembly device for hydraulic support stand
CN219946067U (en) Bearing dismounting device

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant