CN219748311U - Adjusting device for adjusting verticality of cutting die - Google Patents

Adjusting device for adjusting verticality of cutting die Download PDF

Info

Publication number
CN219748311U
CN219748311U CN202321288029.5U CN202321288029U CN219748311U CN 219748311 U CN219748311 U CN 219748311U CN 202321288029 U CN202321288029 U CN 202321288029U CN 219748311 U CN219748311 U CN 219748311U
Authority
CN
China
Prior art keywords
cutting die
assembly seat
adjusting
die assembly
cutting
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
CN202321288029.5U
Other languages
Chinese (zh)
Inventor
胡点兵
赵顺成
丁兵
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 Darui Electronic Materials Co ltd
Original Assignee
Suzhou Darui Electronic Materials 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 Darui Electronic Materials Co ltd filed Critical Suzhou Darui Electronic Materials Co ltd
Priority to CN202321288029.5U priority Critical patent/CN219748311U/en
Application granted granted Critical
Publication of CN219748311U publication Critical patent/CN219748311U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)

Abstract

The utility model discloses an adjusting device for adjusting the perpendicularity of a cutting die, which relates to the technical field of die cutting equipment and comprises a square cylinder, wherein the bottom end of the square cylinder is fixedly connected with a mounting plate, a group of mounting holes are formed in corners of the mounting plate, and the device is fixedly mounted on a frame of a die cutting machine through the mounting plate and the group of mounting holes. According to the utility model, through the four limit grooves formed in the outer surface of the top of the cutter die assembly seat and the cooperation design of the four limit adjusting components, when the perpendicularity between the moving track of the cutter die and the plate table is deviated after the die cutting machine is used for a long time, the sliding path of the top of the cutter die assembly seat can be deviated according to the technical requirement through the four limit adjusting components, so that the perpendicularity of the cutter die mounted on the cutter die assembly seat and the bottom of the cutter die assembly seat is adjusted, the deviation generated by the perpendicularity between the moving track of the cutter die and the plate table is eliminated, the cutting surface of the cutter die is ensured to be parallel to the material surface, and the cutting effect is ensured.

Description

Adjusting device for adjusting verticality of cutting die
Technical Field
The utility model relates to the technical field of die cutting equipment, in particular to an adjusting device for adjusting the perpendicularity of a cutting die.
Background
The die cutting equipment can be manufactured into a cutting die (die cutting rule) according to a pre-designed pattern to cut the material into a designed pattern shape, namely the cutting die rolls the material into a required shape under the action of pressure, and the die cutting equipment is mainly used for some nonmetallic materials, self-adhesive tapes, EVA, double-sided tapes, electronics, mobile phone rubber pads and the like.
In the vertical platen die cutting machine, the plate table and the platen die cutting mechanism are both in a flat plate shape, and when the die cutting machine works, the power mechanism extrudes the cutting die, so that the cutting die vertically moves downwards to vertically cut a material on the plate table, no inclination angle exists between the cutting surface of the cutting die and the surface of the material, the material is not easy to be displaced due to biasing force, and the cutting precision is high.
However, in the long-time use process of the vertical flat-pressing flat die cutting machine, mechanical deviation can be formed due to abrasion deformation of the pressing cutting mechanism, so that deviation can be caused between the motion track of the cutting die and the perpendicularity of the plate table, the cutting surface of the cutting die is not parallel to the surface of the material when the cutting die is used for cutting the material, and the phenomenon that the part of the material cannot be completely cut through is caused, so that the die cutting effect is affected. Thus, an adjusting device for adjusting the verticality of the cutting die is provided.
Disclosure of Invention
Technical problem to be solved
The utility model aims to make up the defects of the prior art and provides an adjusting device for adjusting the verticality of a cutting die.
Technical proposal
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an adjusting device of adjustment cutting die straightness that hangs down, includes square section of thick bamboo, the bottom fixedly connected with mounting panel of square section of thick bamboo, a set of mounting hole has been seted up to the corner of mounting panel, through mounting panel and a set of mounting hole to the device fixed mounting in the frame of cross cutting machine, the slide hole has been seted up at the middle part of mounting panel, the inside slip of slide hole has cup jointed the cutting die mount pad, and the contact surface of slide hole and cutting die mount pad is protruding cambered surface, and the inside up-and-down motion of cutting die mount pad can be at the slide hole, a mounting hole and a set of bolt hole have been seted up to the bottom of cutting die mount pad, and the cutting die subassembly of cross cutting machine passes through mounting hole and bolt hole assembly in the bottom of cutting die mount pad.
The outer surface of the middle part of the cutting die assembly seat is fixedly sleeved with a thrust ring, the outer surface of the cutting die assembly seat is sleeved with a reset spring, the reset spring is positioned between the thrust ring and the mounting plate, and the bottom end of the cutting die assembly seat can be attached to the bottom surface of the mounting plate in a natural state under the action force of the reset spring.
Four limit grooves are formed in the outer surface of the top of the cutting die assembly seat, four limit adjusting assemblies are fixedly embedded on the four faces of the square cylinder, the positions of the four limit adjusting assemblies correspond to the positions of the four limit grooves respectively, and the four limit adjusting assemblies are used for sliding and limiting the top of the cutting die assembly seat and are used for adjusting the vertical state of the cutting die assembly seat during movement.
Foretell spacing adjusting part is including fixed square pipe of inlaying in square tube middle part, interior screw has been seted up at the middle part of square pipe, interior threaded connection of interior screw has the external screw thread post, the interior hexagonal hole has been seted up to the one end that the cutting die assembly seat was kept away from to the external screw thread post, the middle part of square pipe is provided with the spout that is linked together with interior screw, the inside sliding connection of spout has the slider, the one end slip setting in the inside of spacing groove of external screw thread post is kept away from to the slider, the one end fixedly connected with and slider sliding contact's that the external screw thread post is close to the cutting die assembly seat extrusion rod.
In spacing adjusting part, utilize hexagonal spanner to insert the inside in hexagonal hole, make the external screw thread post rotate, can make external screw thread post and extrusion rod left and right movement, just can adjust the slider and in square intraductal extension, thereby can make the slider support the cutting die assembly seat in the spacing inslot, make the top skew of cutting die assembly seat, in the same way, combine four spacing adjusting part to adjust its slider and in square intraductal extension, just can make the slip path on cutting die assembly seat top offset according to technical requirement, in order to realize adjusting the straightness of perpendicularity of cutting die that cutter die assembly seat and bottom were installed, thereby eliminate the deviation that the straightness produced between the motion trail of cutting die and the version platform, guarantee that the cutting face of cutting die is parallel with the material face, and then guarantee the cutting effect.
The inside of spout is equipped with the pressure spring, the one end of pressure spring offsets with the one end of slider, the other end of pressure spring offsets with the lateral wall of spout. The sliding block can be propped against the cutter die assembly seat all the time through the elastic force of the pressure spring, so that the mechanical stability is ensured.
The middle part of cutting die assembly seat has been seted up and has been drawn the silo, and draw the silo and run through the top surface of cutting die assembly seat, the top of square section of thick bamboo is provided with punching press subassembly, and punching press subassembly is used for providing pressure to the cutting die assembly seat, makes the cutting die of cutting die assembly seat and bottom installation down move and cuts the material.
The punching assembly comprises a top plate fixedly connected to the top end of the square cylinder, a threaded hole is formed in the middle of the top plate, a threaded seat is connected with the internal threads of the threaded hole, a punching rod is connected to the middle of the threaded seat in a sliding mode, a pressing plate is fixedly connected to the top end of the punching rod, and the bottom end of the punching rod extends to the inside of the material drawing groove and is in contact with the bottom surface of the material drawing groove.
In the punching assembly, the top surface of the pressing plate is abutted against a punching push rod of the die cutting machine, and when the punching push rod of the die cutting machine does work, the pressing plate, the punching rod and the cutting die assembly seat can be pushed to move downwards, and then the material is punched by a cutting die arranged at the bottom end of the cutting die assembly seat. In addition, through rotating the screw thread seat, the bottom of screw thread seat rotates in the inside of screw hole, can adjust the high value of screw thread seat top surface to can make corresponding adjustment to the stroke of clamp plate up-and-down motion, and then adjust the motion stroke of cutting die assembly seat and the cutting die of bottom installation, with the suitability that improves the device.
Further, the bottom end of the punching rod is a spherical surface, and the bottom surface of the material drawing groove is a concave cambered surface. After the perpendicularity of the cutting die assembly seat is adjusted through the limiting and adjusting assembly, the position change of a stress point between the spherical surface of the bottom end of the stamping rod and the concave cambered surface of the material drawing groove is small, and the stress effect between the stamping rod and the cutting die assembly seat can be guaranteed.
The beneficial effects are that:
compared with the prior art, the adjusting device for adjusting the perpendicularity of the cutting die has the following beneficial effects:
according to the utility model, through the four limit grooves formed in the outer surface of the top of the cutter die assembly seat and the cooperation design of the four limit adjusting components, when the perpendicularity between the moving track of the cutter die and the plate table is deviated after the die cutting machine is used for a long time, the sliding path of the top of the cutter die assembly seat can be deviated according to the technical requirement through the four limit adjusting components, so that the perpendicularity of the cutter die mounted on the cutter die assembly seat and the bottom of the cutter die assembly seat is adjusted, the deviation generated by the perpendicularity between the moving track of the cutter die and the plate table is eliminated, the cutting surface of the cutter die is ensured to be parallel to the material surface, and the cutting effect is ensured.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic perspective view of a first view of the present utility model;
FIG. 2 is a schematic perspective view of a second view of the present utility model;
FIG. 3 is a cross-sectional view from the front perspective of the present utility model;
fig. 4 is an enlarged schematic view of the structure of fig. 3 a according to the present utility model.
In the figure:
1. a square cylinder; 2. a mounting plate; 3. a cutting die assembly seat; 4. a slide hole; 5. a thrust collar; 6. a reset spring; 7. a limit groove;
8. a limit adjusting component; 81. square tubes; 82. an inner screw hole; 83. an external threaded column; 84. an inner hexagonal hole; 85. a chute; 86. a slide block; 87. an extrusion rod; 88. a pressure spring;
9. digging a trough; 10. a top plate; 11. a threaded hole; 12. a screw seat; 13. punching a rod; 14. a pressing plate; 15. a mounting hole; 16. a fitting hole; 17. bolt holes.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 4, the present utility model provides a technical solution: the utility model provides an adjusting device of adjustment cutting die straightness that hangs down, includes square section of thick bamboo 1, and the bottom fixedly connected with mounting panel 2 of square section of thick bamboo 1, a set of mounting hole 15 has been seted up to the corner of mounting panel 2, through mounting panel 2 and a set of mounting hole 15 to the device fixed mounting in the frame of cross cutting machine.
Referring to fig. 3, a sliding hole 4 is formed in the middle of the mounting plate 2, a die assembly seat 3 is sleeved in the sliding hole 4 in a sliding manner, a contact surface between the sliding hole 4 and the die assembly seat 3 is a convex arc surface, the die assembly seat 3 can move up and down in the sliding hole 4, an assembly hole 16 and a group of bolt holes 17 are formed in the bottom end of the die assembly seat 3, and a die assembly of the die cutting machine is assembled at the bottom end of the die assembly seat 3 through the assembly hole 16 and the bolt holes 17.
The thrust ring 5 has been cup jointed to the fixed surface at the middle part of cutting die assembly seat 3, and the surface cover of cutting die assembly seat 3 is equipped with reset spring 6, and reset spring 6 is located between thrust ring 5 and mounting panel 2, under the effort of reset spring 6, can make the bottom of cutting die assembly seat 3 laminate with the bottom surface of mounting panel 2 under natural state.
Referring to fig. 1, 2 and 3, four limiting grooves 7 are formed in the outer surface of the top of the die assembly seat 3, four limiting adjusting components 8 are fixedly embedded in the four surfaces of the square cylinder 1, the positions of the four limiting adjusting components 8 correspond to the positions of the four limiting grooves 7 respectively, and the four limiting adjusting components 8 are used for sliding limiting the top of the die assembly seat 3 and adjusting the vertical state of the die assembly seat 3 during movement.
Referring to fig. 3 and 4, the spacing adjusting component 8 includes a square tube 81 fixedly embedded in the middle of the square tube 1, an inner screw hole 82 is provided in the middle of the square tube 81, an external screw thread post 83 is connected to the inner screw thread of the inner screw hole 82, an inner hexagonal hole 84 is provided at one end of the external screw thread post 83 away from the die assembly seat 3, a chute 85 communicated with the inner screw hole 82 is provided in the middle of the square tube 81, a sliding block 86 is slidably connected in the chute 85, one end of the sliding block 86 away from the external screw thread post 83 is slidably disposed in the limiting groove 7, and an extrusion rod 87 is fixedly connected to one end of the external screw thread post 83 close to the die assembly seat 3 and slidably contacted with the sliding block 86.
In spacing adjusting part 8, utilize hexagonal spanner to insert the inside in interior hexagonal hole 84, make external screw thread post 83 rotate, can make external screw thread post 83 and extrusion rod 87 control the removal, just can adjust the extension length of slider 86 in square pipe 81, thereby can make slider 86 support cutting die assembly seat 3 in spacing groove 7, make the top skew of cutting die assembly seat 3, in the same way, combine four spacing adjusting part 8 to adjust the extension length of slider 86 in square pipe 81, just can make the slip path on cutting die assembly seat 3 top offset according to the technical requirement, in order to realize adjusting the straightness that hangs down of the cutting die of cutting die assembly seat 3 and bottom installation, thereby eliminate the deviation that the straightness produced between the motion track of cutting die and the version platform, guarantee that the cutting face of cutting die is parallel with the material face, and then guarantee the cutting effect.
The inside of the chute 85 is provided with a pressure spring 88, one end of the pressure spring 88 is propped against one end of the sliding block 86, and the other end of the pressure spring 88 is propped against the side wall of the chute 85. The sliding block 86 can be always propped against the cutter die assembly seat 3 by the elastic force of the pressure spring 88, so that the mechanical stability is ensured.
Referring to fig. 2 and 3, a material drawing groove 9 is formed in the middle of the cutter mold assembly seat 3, the material drawing groove 9 penetrates through the top surface of the cutter mold assembly seat 3, a punching component is arranged at the top end of the square cylinder 1 and is used for providing pressure for the cutter mold assembly seat 3, and the cutter mold mounted at the bottom end of the cutter mold assembly seat 3 moves downwards to cut materials.
The punching assembly comprises a top plate 10 fixedly connected to the top end of the square cylinder 1, a threaded hole 11 is formed in the middle of the top plate 10, a threaded seat 12 is connected with the threaded hole 11 in a threaded mode, a punching rod 13 is connected to the middle of the threaded seat 12 in a sliding mode, a pressing plate 14 is fixedly connected to the top end of the punching rod 13, and the bottom end of the punching rod 13 extends to the inside of the material drawing groove 9 and is in contact with the bottom surface of the material drawing groove 9.
In the punching assembly, the top surface of the pressing plate 14 is abutted against a punching push rod of the die cutting machine, and when the punching push rod of the die cutting machine does work, the pressing plate 14, the punching rod 13 and the cutting die assembly seat 3 can be pushed to move downwards, and then the material is punched by a cutting die arranged at the bottom end of the cutting die assembly seat 3. In addition, through rotating screw seat 12, the bottom of screw seat 12 rotates in the inside of screw hole 11, can adjust the high value of screw seat 12 top surface to can make corresponding adjustment to the stroke of clamp plate 14 up-and-down motion, and then adjust the motion stroke of cutting die assembly seat 3 and the cutting die that the bottom was installed, in order to improve the suitability of device.
Referring to fig. 3, the bottom end of the stamping rod 13 is a spherical surface, and the bottom surface of the material drawing groove 9 is a concave arc surface. After the perpendicularity of the cutting die assembly seat 3 is adjusted through the limit adjusting component 8, the position change of a stress point between the spherical surface at the bottom end of the punching rod 13 and the concave cambered surface of the material drawing groove 9 is small, and the stress effect between the punching rod 13 and the cutting die assembly seat 3 can be ensured.
Working principle: the device is fixedly arranged on a frame of a die cutting machine through a mounting plate 2 and a group of mounting holes 15, a cutting die of the die cutting machine is fixedly arranged at the bottom end of the cutting die assembly seat 3 through an assembly hole 16 and a bolt hole 17 arranged at the bottom of the cutting die assembly seat 3, the top surface of a pressing plate 14 is in contact with a punching push rod of the die cutting machine, and when the punching push rod of the die cutting machine does work, the pressing plate 14, the punching rod 13 and the cutting die assembly seat 3 can be pushed to move downwards, and then a cutting die arranged at the bottom end of the cutting die assembly seat 3 is used for punching materials. When the die cutting machine is used for a long time and the motion track of the cutting die and the perpendicularity between the version platforms generate deviation, the hexagon wrench is used for being inserted into the inner hexagonal hole 84, so that the outer threaded column 83 rotates, the outer threaded column 83 and the extrusion rod 87 can move left and right, the extending length of the sliding block 86 in the square tube 81 can be adjusted, the sliding block 86 can prop against the cutting die assembly seat 3 in the limit groove 7, the top of the cutting die assembly seat 3 is offset, the extending length of the sliding block 86 in the square tube 81 is adjusted by combining the four limit adjusting assemblies 8, the sliding path at the top end of the cutting die assembly seat 3 can be offset according to the technical requirement, the perpendicularity of the cutting die mounted at the bottom of the cutting die assembly seat 3 is adjusted, the deviation generated by the motion track of the cutting die and the perpendicularity between the version platforms is eliminated, the cutting surface of the cutting die and the material surface are parallel, and the cutting effect is ensured.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides an adjusting device of adjustment cutting die straightness that hangs down, includes square tube (1), its characterized in that: the bottom end of the square cylinder (1) is fixedly connected with a mounting plate (2), a sliding hole (4) is formed in the middle of the mounting plate (2), a cutting die assembly seat (3) is sleeved in the sliding hole (4) in a sliding mode, a thrust ring (5) is fixedly sleeved on the outer surface of the middle of the cutting die assembly seat (3), a reset spring (6) is sleeved on the outer surface of the cutting die assembly seat (3), and the reset spring (6) is located between the thrust ring (5) and the mounting plate (2);
four limit grooves (7) are formed in the outer surface of the top of the cutting die assembly seat (3), four limit adjusting components (8) are fixedly inlaid on the four surfaces of the square cylinder (1), the positions of the four limit adjusting components (8) are corresponding to the positions of the four limit grooves (7) respectively, a material drawing groove (9) is formed in the middle of the cutting die assembly seat (3), the material drawing groove (9) penetrates through the top surface of the cutting die assembly seat (3), and a punching component is arranged at the top end of the square cylinder (1).
2. The adjusting device for adjusting the perpendicularity of a cutting die according to claim 1, wherein: the punching assembly comprises a top plate (10) fixedly connected to the top end of the square cylinder (1), a threaded hole (11) is formed in the middle of the top plate (10), a threaded seat (12) is connected to the threaded hole (11) in a threaded mode, a punching rod (13) is connected to the middle of the threaded seat (12) in a sliding mode, a pressing plate (14) is fixedly connected to the top end of the punching rod (13), and the bottom end of the punching rod (13) extends to the inside of the material drawing groove (9) and is in contact with the bottom surface of the material drawing groove (9).
3. The adjusting device for adjusting the perpendicularity of a cutting die according to claim 2, wherein: the bottom end of the stamping rod (13) is a spherical surface, and the bottom surface of the material drawing groove (9) is a concave cambered surface.
4. The adjusting device for adjusting the perpendicularity of a cutting die according to claim 1, wherein: a group of mounting holes (15) are formed in the corners of the mounting plate (2), and an assembly hole (16) and a group of bolt holes (17) are formed in the bottom end of the cutting die assembly seat (3).
5. The adjusting device for adjusting the perpendicularity of a cutting die according to claim 1, wherein: spacing adjusting part (8) are including fixed square pipe (81) of inlaying in square section of thick bamboo (1) middle part, interior screw (82) have been seted up at the middle part of square pipe (81), the inside threaded connection of interior screw (82) has external screw thread post (83), hexagonal hole (84) have been seted up to the one end that cutting die assembly seat (3) was kept away from to external screw thread post (83), the middle part of square pipe (81) is provided with spout (85) that are linked together with interior screw (82), the inside sliding connection of spout (85) has slider (86), the one end that external screw thread post (83) were kept away from to slider (86) slides and sets up in the inside of spacing groove (7), the one end fixedly connected with that external screw thread post (83) are close to cutting die assembly seat (3) is with slider (86) sliding contact's extrusion rod (87).
6. The adjusting device for adjusting the perpendicularity of a cutting die according to claim 5, wherein: the inside of spout (85) is equipped with pressure spring (88), the one end of pressure spring (88) offsets with the one end of slider (86), the other end of pressure spring (88) offsets with the lateral wall of spout (85).
CN202321288029.5U 2023-05-25 2023-05-25 Adjusting device for adjusting verticality of cutting die Active CN219748311U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321288029.5U CN219748311U (en) 2023-05-25 2023-05-25 Adjusting device for adjusting verticality of cutting die

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321288029.5U CN219748311U (en) 2023-05-25 2023-05-25 Adjusting device for adjusting verticality of cutting die

Publications (1)

Publication Number Publication Date
CN219748311U true CN219748311U (en) 2023-09-26

Family

ID=88086041

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321288029.5U Active CN219748311U (en) 2023-05-25 2023-05-25 Adjusting device for adjusting verticality of cutting die

Country Status (1)

Country Link
CN (1) CN219748311U (en)

Similar Documents

Publication Publication Date Title
CN219748311U (en) Adjusting device for adjusting verticality of cutting die
CN211438196U (en) Center hole punching device for manufacturing engine camshaft
CN110900854B (en) Manual ceramic tile cutting machine
CN212577325U (en) Special-shaped joint stamping die
CN210939041U (en) Auxiliary tool for installing long screw rod of machine tool
CN209937693U (en) Interval adjustable PVDC inflation film manufacturing machine cold water groove clamp roll
CN219616833U (en) Plate cutting machine for photo frame production
CN217110977U (en) Ship lift cabin butt joint sealing frame operation signal detection device
CN112412979A (en) Sliding block
CN218991308U (en) Aluminum alloy door and window with installation positioning structure
CN211137908U (en) Injection molding machine movable mould board guider
CN218626235U (en) Adjustable pressure and multi-direction adjustable encoder installing support
CN212177740U (en) Punch press buffer with adjust buffer distance
CN221064156U (en) Sheet metal part counter bore die
CN217992498U (en) Scribing device for machining heat insulation board
CN214945816U (en) Bearing gland
CN210309007U (en) Plastic suction mold of high-precision positioning fixture
CN214465595U (en) Gap-adjustable miniature high-precision guide rail
CN220942634U (en) Shaping tool for sunshade curtain pull rod
CN215106408U (en) Accurate building curtain wall detection positioning device switches
CN220049734U (en) Stamping die of rack mounting bracket
CN213162799U (en) Die sliding table mounting structure of screw forming machine
CN213728729U (en) Bending device for manufacturing high-end equipment
CN219549459U (en) Elastic force-adjustable spring plate
CN214735377U (en) Liquid crystal glass breaks piece pressure regulation and control mechanism off with fingers and thumb

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant