CN215845161U - Heat exchanger tube plate hole machining device - Google Patents

Heat exchanger tube plate hole machining device Download PDF

Info

Publication number
CN215845161U
CN215845161U CN202122190048.1U CN202122190048U CN215845161U CN 215845161 U CN215845161 U CN 215845161U CN 202122190048 U CN202122190048 U CN 202122190048U CN 215845161 U CN215845161 U CN 215845161U
Authority
CN
China
Prior art keywords
plate
fixedly connected
arc
sliding
heat exchanger
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
CN202122190048.1U
Other languages
Chinese (zh)
Inventor
朱佟
王雪静
王艳玲
李雪
谭雪
薛婷婷
刘云哲
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.)
Dalian Dfyp Equipment Manufacturing Co ltd
Original Assignee
Dalian Dfyp Equipment Manufacturing 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 Dalian Dfyp Equipment Manufacturing Co ltd filed Critical Dalian Dfyp Equipment Manufacturing Co ltd
Priority to CN202122190048.1U priority Critical patent/CN215845161U/en
Application granted granted Critical
Publication of CN215845161U publication Critical patent/CN215845161U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Automatic Assembly (AREA)

Abstract

The utility model belongs to the field of heat exchanger plate and tube processing, in particular to a heat exchanger plate hole processing device, aiming at the problems that the prior plate hole processing process is not firm enough to fix a tube plate, is easy to displace in the processing process, influences the processing precision, and is not easy to collect the waste scraps generated by processing, and is easy to pollute the operating environment, the utility model provides the following scheme, which comprises a base and two pressure plates, wherein the top of the base is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a stamping cylinder, the output end of the stamping cylinder is fixedly connected with a stamping plate, and the bottom of the stamping plate is provided with a plurality of punches. Avoid the pollution of the operating environment by the scraps.

Description

Heat exchanger tube plate hole machining device
Technical Field
The utility model relates to the technical field of heat exchanger plate and tube processing, in particular to a heat exchanger plate hole processing device.
Background
The shell-and-tube heat exchanger is also called a tube-in-tube heat exchanger, and is a dividing wall type heat exchanger which takes the wall surface of a tube bundle sealed in a shell as a heat transfer surface, a heat exchanger tube plate is a main part in the heat exchanger, and the heat exchanger tube plate needs to be punched in the production process.
In current tubesheet hole course of working, it is firm inadequately to the tubesheet is fixed, easily in the course of working, takes place the displacement, influences the machining precision, and the sweeps that processing produced is difficult for collecting, pollutes the operation environment easily, so we propose a heat exchanger tubesheet hole processingequipment for solve the above-mentioned problem of proposing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems that in the prior art, in the existing tube plate hole machining process, the tube plate is not firmly fixed, displacement is easy to occur in the machining process, the machining precision is influenced, scraps generated in machining are not easy to collect, and the operating environment is easy to pollute.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a heat exchanger tube plate hole processing device comprises a base and two pressing plates, wherein the top of the base is fixedly connected with a fixing frame, the top of the fixing frame is fixedly connected with a stamping cylinder, the output end of the stamping cylinder is fixedly connected with a stamping plate, the bottom of the stamping plate is provided with a plurality of punches, the top of the base is symmetrically and fixedly connected with two supporting columns, the top ends of the two supporting columns are fixedly connected with a die, the die is provided with a plurality of through holes matched with the punches, the top of the base is symmetrically and fixedly connected with two fixing boxes, the two fixing boxes are internally provided with power components, the power components are provided with sliding plates, the bottoms of the two pressing plates are respectively connected with the tops of the two sliding plates, the bottom of the base is clamped with a collecting frame, and the pressing plates can tightly press and fix a tube plate through the power components, and fixed firm, the effectual tube sheet that prevents takes place the displacement in the course of working, influences the machining precision, can collect the sweeps that the processing produced simultaneously, avoids the sweeps to pollute the operation environment.
Preferably, the power assembly comprises a driving shaft, a rotating shaft, a gear, an arc-shaped rack, a connecting plate and a connecting rod, the rear end of the rotating shaft is rotatably connected with the rear wall of the fixed box, the bevel gears are fixedly sleeved on one end of the driving shaft and the rotating shaft and are meshed with each other, the gear is fixedly sleeved on the front end of the rotating shaft and is meshed with the arc-shaped rack, the bottom of the connecting plate is fixedly connected with one side of the arc-shaped rack, the bottom of the sliding plate is slidably connected with a sliding block, the top of the connecting plate is rotatably connected with the sliding block, the top of the connecting rod is rotatably connected with the bottom of the sliding plate, the connecting rod is hinged with the connecting plate, a fixed plate is fixedly connected on the inner wall of one side of the fixed box, a moving block is slidably connected with the top of the fixed plate, the bottom of the connecting rod is rotatably connected with the top of the moving block, and the driving shaft can drive the gear to rotate anticlockwise through the two bevel gears, thereby can make the arc rack to oblique top rotation, through the effect of connecting plate and connecting rod, can make the slip slab drive platen move down to can make the clamp plate compress tightly the tube sheet fixedly, prevent that the tube sheet from taking place the displacement in the course of working.
Preferably, the equal fixedly connected with limiting plate in both sides of punching press board, one side that two limiting plates kept away from each other respectively with the both sides inner wall sliding connection of mount, the limiting plate can make the punching press board remove more firm.
Preferably, a sliding groove is formed in the inner wall of one side of the fixed box, one side of the sliding plate is connected with the inner wall of one side of the sliding groove in a sliding mode, the sliding groove can enable the sliding plate to move stably, and position deviation cannot occur.
Preferably, one end of the driving shaft penetrates through the fixing frame, one end of the driving shaft is provided with a rectangular groove, a rectangular plate is connected in the rectangular groove in a sliding mode, one side of the rectangular plate is fixedly connected with a connecting column, one end of the connecting column is fixedly connected with a second magnet, one top of the second magnet is fixedly connected with a handle, the two sides of the fixing frame are fixedly connected with first magnets, the magnetism of one side, close to each other, of the first magnets is opposite to that of the second magnet, the first magnets and the second magnets attract each other, a spring is fixedly connected to the inner wall of one side of the rectangular groove, one end of the spring is fixedly connected with the other side of the rectangular plate, the second magnet is pulled outwards, the second magnets can enable the rectangular plate to slide in the rectangular groove through the connecting column, the spring can be stretched, so that the second magnets and the first magnets can be separated from attraction, and the limitation on the driving shaft can be removed, convenient to operate loosens handle and second magnet, and under the power that resets of spring, can make second magnet and first magnet inter attraction, can carry on spacingly like this to the drive shaft, prevents that the drive shaft from taking place unexpected rotation to can fix more firmly to the tube sheet.
Preferably, the spacing seat of fixedly connected with arc on the bottom inner wall of fixed case, the spacing seat of arc and arc rack looks adaptation, be equipped with the movable plate on the cambered surface of the spacing seat of arc, the bottom of movable plate is equipped with the gyro wheel, the cambered surface roll connection of gyro wheel and the spacing seat of arc, one side of arc rack and one side sliding connection of movable plate can support the arc rack through the spacing seat of movable plate and arc, and can make the arc rack remove more firm.
Has the advantages that: by pulling the second magnet outwards, the second magnet can enable the rectangular plate to slide in the rectangular groove through the connecting column, the spring can be stretched, the second magnet and the first magnet can be separated from attraction, then the handle and the second magnet are rotated, the driving shaft can be rotated, the driving shaft can enable the rotating shaft to drive the gear to rotate anticlockwise through the two bevel gears, the arc-shaped rack can be rotated towards the oblique upper direction, the sliding plate can be enabled to move downwards through the connecting plate and the connecting rod, the pressing plate can be enabled to compress and fix the tube plate, then the handle and the second magnet are released, under the reset power of the spring, the second magnet and the first magnet can be mutually attracted, the driving shaft can be limited, the driving shaft is prevented from rotating accidentally, the tube plate can be fixed more firmly, and the tube plate is prevented from displacing in the processing process, affecting the machining accuracy.
Owing to set up and collect the frame, the sweeps that punch a hole and produce can fall into to collecting in the frame through the through-hole on the mould, and then can prevent that the sweeps from polluting operation environment, collects the frame simultaneously and is connected for clamping with the base, conveniently will collect the frame and take off, clears up the sweeps in collecting the frame, facilitates the use.
The pipe plate fixing device is reasonable in structure and convenient to operate, the pipe plate can be tightly and firmly fixed through the power assembly, the pipe plate is effectively prevented from being displaced in the machining process, the machining precision is prevented from being influenced, meanwhile, scraps generated in machining can be collected, and the operation environment is prevented from being polluted by the scraps.
Drawings
Fig. 1 is a schematic front view structural diagram of a heat exchanger tube plate hole machining device provided by the utility model;
fig. 2 is a schematic cross-sectional structural view of a fixing box of the heat exchanger tube plate hole machining device provided by the utility model;
fig. 3 is a schematic partial top view of a heat exchanger tube plate hole processing device according to the present invention;
fig. 4 is a schematic view of a partial three-dimensional structure of a heat exchanger tube plate hole processing device provided by the utility model;
fig. 5 is an enlarged schematic structural diagram of a part a of the heat exchanger tube plate hole machining device provided by the utility model.
In the figure: the device comprises a base 1, a fixing frame 2, a stamping cylinder 3, a stamping plate 4, a die 5, a fixing box 6, a sliding plate 7, a pressing plate 8, a collecting frame 9, a limiting plate 10, a driving shaft 11, a rotating shaft 12, a gear 13, an arc-shaped rack 14, a connecting plate 15, a connecting rod 16, a sliding groove 17, an arc-shaped limiting seat 18, a moving plate 19, a rectangular groove 20, a rectangular plate 21, a connecting column 22, a first magnet 23 and a second magnet 24.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-5, a heat exchanger tube plate hole processing device comprises a base 1 and two pressing plates 8, wherein the top of the base 1 is fixedly connected with a fixed frame 2, the top of the fixed frame 2 is fixedly connected with a stamping cylinder 3, the output end of the stamping cylinder 3 is fixedly connected with a stamping plate 4, the bottom of the stamping plate 4 is provided with a plurality of punches, the stamping cylinder 3 can provide stamping power for the stamping plate 4, the top of the base 1 is symmetrically and fixedly connected with two supporting columns, the top ends of the two supporting columns are fixedly connected with a die 5, the die 5 is provided with a plurality of through holes matched with the punches, the top of the base 1 is symmetrically and fixedly connected with two fixed boxes 6, the two fixed boxes 6 are respectively provided with a power component, the power components are provided with sliding plates 7, the bottoms of the two pressing plates 8 are respectively connected with the tops of the two sliding plates 7, the bottom of the base 1 is clamped with a collecting frame 9, the collecting frame 9 is clamped with the base 1 through a clamping pin, so that the collecting frame 9 is convenient to take down, the power assembly comprises a driving shaft 11, a rotating shaft 12, a gear 13, an arc-shaped rack 14, a connecting plate 15 and a connecting rod 16, the rear end of the rotating shaft 12 is rotatably connected with the rear wall of the fixed box 6, one end of the driving shaft 11 and the rotating shaft 12 are fixedly sleeved with bevel gears, the two bevel gears are meshed, the rotating shaft 12 can rotate along with the driving shaft 11 through the two bevel gears, the gear 13 is fixedly sleeved at the front end of the rotating shaft 12, the gear 13 is meshed with the arc-shaped rack 14, the gear 13 can rotate to enable the arc-shaped rack 14 to perform arc-shaped motion, the bottom of the connecting plate 15 is fixedly connected with one side of the arc-shaped rack 14, the bottom of the sliding plate 7 is slidably connected with a sliding block, the top of the connecting plate 15 is rotatably connected with the sliding plate, and the top of the connecting rod 16 is rotatably connected with the bottom of the sliding plate 7, the connecting rod 16 is hinged with the connecting plate 15, the fixed plate is fixedly connected to the inner wall of one side of the fixed box 6, the moving block is connected to the top of the fixed plate in a sliding manner, the bottom end of the connecting rod 16 is rotatably connected to the top of the moving block, one end of the driving shaft 11 penetrates through the fixed frame 2, one end of the driving shaft 11 is provided with the rectangular groove 20, the rectangular groove 20 is connected with the rectangular plate 21 in a sliding manner, one side of the rectangular plate 21 is fixedly connected with the connecting post 22, one end of the connecting post 22 is fixedly connected with the second magnet 24, the top of one side of the second magnet 24 is fixedly connected with the handle, the first magnet 23 is fixedly connected to both sides of the fixed frame 2, the first magnet 23 and the second magnet 24 are both circular, the magnetic properties of the sides where the first magnet 23 and the second magnet 24 are close to each other are opposite, the first magnet 23 and the second magnet 24 are attracted to each other according to the repulsion and the opposite attraction of the magnets, the spring is fixedly connected to the inner wall of one side of the rectangular groove 20, one end of the spring is fixedly connected with the other side of the rectangular plate 21, the second magnet 24 is pulled outwards, the second magnet 24 can enable the rectangular plate 21 to slide in the rectangular groove 20 through the connecting column 22, the spring can be stretched, the second magnet 24 can be separated from the first magnet 23 to attract, then the handle and the second magnet 24 are rotated, the driving shaft 11 can be rotated, the driving shaft 11 can enable the rotating shaft 12 to drive the gear 13 to rotate anticlockwise through the two bevel gears, the arc-shaped rack 14 can be rotated upwards obliquely, the sliding plate 7 can drive the pressing plate 8 to move downwards under the action of the connecting plate 15 and the connecting rod 16, the pressing plate 8 can be enabled to compress and fix the tube plate, then the handle and the second magnet 24 are released, and the second magnet 24 can attract the first magnet 23 under the reset power of the spring, the pipe plate fixing device has the advantages that the driving shaft 11 can be limited, the driving shaft 11 is prevented from rotating accidentally, the pipe plate can be fixed more firmly, the pipe plate is prevented from displacing in the machining process, machining precision is influenced, due to the fact that the collecting frame 9 is arranged, waste scraps generated by punching can fall into the collecting frame 9 through the through hole in the die 5, the waste scraps can be prevented from polluting the operation environment, meanwhile, the collecting frame 9 is connected with the base 1 in a clamping mode, the collecting frame 9 is convenient to take down, the waste scraps in the collecting frame 9 are cleaned, and the pipe plate fixing device is convenient to use.
According to the utility model, the two sides of the stamping plate 4 are fixedly connected with the limiting plates 10, one sides of the two limiting plates 10, which are far away from each other, are respectively connected with the inner walls of the two sides of the fixing frame 2 in a sliding manner, and the limiting plates 10 can enable the stamping plate 4 to move more stably.
In the utility model, the sliding groove 17 is formed in the inner wall of one side of the fixed box 6, one side of the sliding plate 7 is in sliding connection with the inner wall of one side of the sliding groove 17, and the sliding groove 17 can enable the sliding plate 7 to move stably without position deviation.
According to the utility model, the inner wall of the bottom of the fixed box 6 is fixedly connected with the arc-shaped limiting seat 18, the arc-shaped limiting seat 18 is matched with the arc-shaped rack 14, the arc surface of the arc-shaped limiting seat 18 is provided with the moving plate 19, the bottom end of the moving plate 19 is provided with the roller wheel, the roller wheel is in rolling connection with the arc surface of the arc-shaped limiting seat 18, one side of the arc-shaped rack 14 is in sliding connection with one side of the moving plate 19, the arc-shaped rack 14 can be supported through the moving plate 9 and the arc-shaped limiting seat 18, and the arc-shaped rack 14 can be moved more stably.
The working principle is as follows: when the pipe plate fixing device is used specifically, the pipe plate is placed on the mold 5, the handle is pulled outwards, the handle can pull the second magnet 24, the second magnet 24 can enable the rectangular plate 21 to slide in the rectangular groove 20 through the connecting column 22, the spring can be stretched, the second magnet 24 can be separated from the first magnet 23 to be attracted, then the handle and the second magnet 24 are rotated, the driving shaft 11 can be rotated, the driving shaft 11 can enable the rotating shaft 12 to drive the gear 13 to rotate anticlockwise through the two bevel gears, the arc-shaped rack 14 can be rotated obliquely upwards, the sliding plate 7 can drive the pressing plate 8 to move downwards under the action of the connecting plate 15 and the connecting rod 16, the pressing plate 8 can be enabled to compress and fix the pipe plate, then the handle and the second magnet 24 are released, the second magnet 24 and the first magnet 23 can be attracted mutually under the reset power of the spring, can carry on spacingly like this to drive shaft 11, prevent that drive shaft 11 from taking place unexpected rotation, thereby can be more firm to the tube sheet is fixed, prevent in the course of working, the tube sheet takes place the displacement, influence the machining precision, then start punching press cylinder 3, punching press plate 4 and a plurality of drift downstream can be made to punching press cylinder 3's output, and then can punch a hole to the tube sheet and process, the sweeps that punch a hole and produce, can fall into to collecting in the frame 9 through the through-hole on the mould 5, can collect the sweeps like this, prevent that the sweeps from polluting operation environment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. A heat exchanger tube plate hole machining device comprises a base (1) and two pressing plates (8), and is characterized in that the top of the base (1) is fixedly connected with a fixing frame (2), the top of the fixing frame (2) is fixedly connected with a stamping cylinder (3), the output end of the stamping cylinder (3) is fixedly connected with a stamping plate (4), the bottom of the stamping plate (4) is provided with a plurality of punches, the top of the base (1) is symmetrically and fixedly connected with two supporting columns, the top ends of the two supporting columns are fixedly connected with a die (5), the die (5) is provided with a plurality of through holes matched with the punches, the top of the base (1) is symmetrically and fixedly connected with two fixing boxes (6), power components are arranged in the two fixing boxes (6), and sliding plates (7) are arranged on the power components, the bottoms of the two pressing plates (8) are respectively connected with the tops of the two sliding plates (7), and the bottom of the base (1) is clamped with a collecting frame (9).
2. The heat exchanger tube plate hole machining device according to claim 1, wherein the power assembly comprises a driving shaft (11), a rotating shaft (12), a gear (13), an arc-shaped rack (14), a connecting plate (15) and a connecting rod (16), the rear end of the rotating shaft (12) is rotatably connected with the rear wall of the fixed box (6), one end of the driving shaft (11) and the rotating shaft (12) are fixedly sleeved with a bevel gear, the two bevel gears are meshed, the gear (13) is fixedly sleeved at the front end of the rotating shaft (12), the gear (13) is meshed with the arc-shaped rack (14), the bottom of the connecting plate (15) is fixedly connected with one side of the arc-shaped rack (14), the bottom of the sliding plate (7) is slidably connected with a sliding block, the top of the connecting plate (15) is rotatably connected with the sliding block, and the top of the connecting rod (16) is rotatably connected with the bottom of the sliding plate (7), the connecting rod (16) is hinged to the connecting plate (15), a fixing plate is fixedly connected to the inner wall of one side of the fixing box (6), a moving block is connected to the top of the fixing plate in a sliding mode, and the bottom end of the connecting rod (16) is rotatably connected with the top of the moving block.
3. The heat exchanger tube plate hole machining device according to claim 1, wherein limiting plates (10) are fixedly connected to two sides of the stamped plate (4), and one sides, away from each other, of the two limiting plates (10) are slidably connected with inner walls of two sides of the fixing frame (2) respectively.
4. The heat exchanger tube plate hole machining device according to claim 1, wherein a sliding groove (17) is formed in an inner wall of one side of the fixed box (6), and one side of the sliding plate (7) is slidably connected with an inner wall of one side of the sliding groove (17).
5. The heat exchanger tube plate hole machining device according to claim 2, wherein one end of the driving shaft (11) penetrates through the fixing frame (2), a rectangular groove (20) is formed in one end of the driving shaft (11), a rectangular plate (21) is slidably connected in the rectangular groove (20), a connecting column (22) is fixedly connected to one side of the rectangular plate (21), a second magnet (24) is fixedly connected to one end of the connecting column (22), a handle is fixedly connected to the top of one side of the second magnet (24), first magnets (23) are fixedly connected to two sides of the fixing frame (2), the first magnets (23) and the second magnets (24) are opposite in magnetism on the side close to each other, the first magnets (23) and the second magnets (24) attract each other, and springs are fixedly connected to the inner wall of one side of the rectangular groove (20), one end of the spring is fixedly connected with the other side of the rectangular plate (21).
6. The heat exchanger tube plate hole machining device according to claim 2, wherein an arc-shaped limiting seat (18) is fixedly connected to the inner wall of the bottom of the fixed box (6), the arc-shaped limiting seat (18) is matched with the arc-shaped rack (14), a moving plate (19) is arranged on the arc surface of the arc-shaped limiting seat (18), rollers are arranged at the bottom end of the moving plate (19), the rollers are in rolling connection with the arc surface of the arc-shaped limiting seat (18), and one side of the arc-shaped rack (14) is in sliding connection with one side of the moving plate (19).
CN202122190048.1U 2021-09-10 2021-09-10 Heat exchanger tube plate hole machining device Active CN215845161U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122190048.1U CN215845161U (en) 2021-09-10 2021-09-10 Heat exchanger tube plate hole machining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122190048.1U CN215845161U (en) 2021-09-10 2021-09-10 Heat exchanger tube plate hole machining device

Publications (1)

Publication Number Publication Date
CN215845161U true CN215845161U (en) 2022-02-18

Family

ID=80256693

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122190048.1U Active CN215845161U (en) 2021-09-10 2021-09-10 Heat exchanger tube plate hole machining device

Country Status (1)

Country Link
CN (1) CN215845161U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117718391A (en) * 2024-02-08 2024-03-19 山东天鸿模具股份有限公司 Stamping die that automobile parts shaping was used

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117718391A (en) * 2024-02-08 2024-03-19 山东天鸿模具股份有限公司 Stamping die that automobile parts shaping was used
CN117718391B (en) * 2024-02-08 2024-04-30 山东天鸿模具股份有限公司 Stamping die that automobile parts shaping was used

Similar Documents

Publication Publication Date Title
CN215845161U (en) Heat exchanger tube plate hole machining device
CN210450634U (en) Stamping device suitable for automobile parts processing
CN220837774U (en) A forging equipment for flange production
CN113843332A (en) Be used for floor drain stamping forming equipment
CN212400586U (en) Full-automatic drum-type screen process press
CN213764051U (en) High-efficient type perforating device
CN217570413U (en) A punching machine for easy tool replacement
CN214053334U (en) Punching device for machining mechanical parts
CN211071667U (en) Flange forging device convenient to adjust and forge thickness
CN211727891U (en) Plastic shell automatic cycle radium carving device
CN216371310U (en) A puncher for iron frame bed
CN222643083U (en) A continuous stamping button processing device
CN219188297U (en) Stamping part punching device
CN216881302U (en) Punching device for sheet metal part production
CN222959296U (en) Stamping die adopting combined supporting rods
CN216226392U (en) Soft female copper bar tip punching device
CN212760784U (en) waste collection device
CN223197885U (en) Stamping die equipment for automobile stamping parts
CN210011381U (en) Punch press transmission equipment
CN218903420U (en) Splash-proof assembly for high-precision punch press
CN215032748U (en) Generator rotor punching die
CN218555259U (en) Stamping mechanism for hardware processing
CN222268453U (en) A metal spring stamping die for preventing dislocation
CN219376303U (en) Paint produce waste water cyclic utilization equipment
CN214321504U (en) Novel high-efficient electronic components stamping die

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant