CN110816106A - Punching and press riveting combined mechanism - Google Patents
Punching and press riveting combined mechanism Download PDFInfo
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- CN110816106A CN110816106A CN201910713946.5A CN201910713946A CN110816106A CN 110816106 A CN110816106 A CN 110816106A CN 201910713946 A CN201910713946 A CN 201910713946A CN 110816106 A CN110816106 A CN 110816106A
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- punching
- riveting
- screw
- rotating wheel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B42—BOOKBINDING; ALBUMS; FILES; SPECIAL PRINTED MATTER
- B42B—PERMANENTLY ATTACHING TOGETHER SHEETS, QUIRES OR SIGNATURES OR PERMANENTLY ATTACHING OBJECTS THERETO
- B42B5/00—Permanently attaching together sheets, quires or signatures otherwise than by stitching
- B42B5/02—Permanently attaching together sheets, quires or signatures otherwise than by stitching by eyelets
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Abstract
The invention discloses a punching and press-riveting combined mechanism which is characterized by comprising a base, a punching screw, a press-riveting screw, a motor, a punching rotating wheel and a press-riveting rotating wheel, wherein the base is arranged on a rack; the runner center of punching is provided with the screw thread, and the screw rod of punching passes through the screw thread and the runner spiro union of punching, and the runner center is riveted to the pressure and is provided with the screw thread, and the screw rod is riveted through the screw thread and the runner spiro union is riveted to the pressure. The invention has simple and reasonable structure and convenient operation and use.
Description
Technical Field
The invention relates to the field of office equipment, in particular to a punching and riveting combined mechanism of an automatic file binding machine.
Background
The binding machine is a binding device which fixes paper, plastic, leather and the like by binding nails, hot melt adhesives, nylon tubes and other materials in a mechanical mode (manual mode, automatic mode or full-automatic mode). As the invention number: CN 201810341084.3, the name is a punching mechanism of a file binding machine, discloses a punching mechanism of a file binding machine, and is characterized in that the punching mechanism comprises a frame, a speed reducing motor, a motor lifting guide mechanism and a drill bit, wherein the speed reducing motor is movably arranged on the frame through the lifting guide mechanism, the speed reducing motor adopts double output shafts, a first output shaft of the speed reducing motor is connected with the drive drill bit, a second output shaft of the speed reducing motor adopts a screw rod, and a positioning nut corresponding to the screw rod is arranged on the frame. The invention has simple structure, simplifies parts, has low cost and simplifies assembly compared with the prior art. As another invention number: 201520420149.5, the name is interlock formula book-binding machine, discloses an interlock formula book-binding machine, including frame, lift seat, motor, drilling pivot, drill bit, hot riveting guide pillar and last die, lift seat and hot riveting guide pillar liftable location are in the frame both sides, and drilling pivot and lift seat rotatable coupling, lower extreme connection drill bit, the motor is connected the lift seat and is gone up and down and connect the rotation of drilling pivot, goes up the die and fixes at hot riveting guide pillar lower extreme, wherein: a guide device with reverse lifting guide is arranged between the lifting seat and the hot riveting guide column to be connected, and the lifting seat drives the hot riveting guide column to perform reverse descending press riveting action when ascending and resetting. But has the disadvantages of complex structure, large volume and high cost.
Disclosure of Invention
The invention aims to solve the defects of the prior art and provides a punching and riveting combined mechanism which is simple in structure, reasonable in transmission, small in size and low in cost.
The invention adopts the following technical scheme to realize the purpose: a punching and press-riveting combined mechanism is characterized by comprising a base arranged on a rack, a punching screw, a press-riveting screw, a motor fixed on the base, a punching rotating wheel and a press-riveting rotating wheel which are rotationally positioned on the base, wherein the motor is fixed on the base and drives the punching rotating wheel and the press-riveting rotating wheel to rotate; the punching rotating wheel and the pressure riveting rotating wheel are rotationally positioned on the base and are rotationally connected; the punching rotation limiting block is connected with the punching screw and limits the rotation of the punching screw, and the press riveting rotation limiting block is connected with the press riveting screw and limits the rotation of the press riveting screw; the center of the punching rotating wheel is provided with a thread, and the punching screw is in threaded connection with the punching rotating wheel through the thread. The center of the pressure riveting rotating wheel is provided with a thread, and the pressure riveting screw is in threaded connection with the pressure riveting rotating wheel through the thread.
Furthermore, the power device is a motor, and an output shaft of the motor is connected with the rotating wheel, the worm gear and the worm.
Further, the output shaft of the motor is connected with the punching rotating wheel or the press riveting rotating wheel worm and gear.
Furthermore, the punching rotating wheel is in toothed connection with the pressure riveting rotating wheel, and the spiral direction of the threads arranged at the center of the punching rotating wheel is the same as that of the threads arranged at the center of the pressure riveting rotating wheel.
Furthermore, the punching rotating wheel and the pressure riveting rotating wheel are in belt transmission, and the spiral directions of the threads arranged at the center of the punching rotating wheel and the threads arranged at the center of the pressure riveting rotating wheel are opposite.
Further, the base is arranged on the frame in a lifting mode.
Further, the base is fixed on the frame.
The punching screw rod is directly fixed on the frame, and the frame is used as a punching rotation limiting block.
The pressure riveting screw rod is directly fixed on the frame, and the frame is used as a pressure riveting rotation limiting block.
Further, a punching assembly is arranged on the base.
Furthermore, the base is provided with or fixedly presses and rivets the subassembly in screw rod lower extreme.
Furthermore, the punching assembly consists of a punching shaft and a punching drill, the punching shaft is in toothed connection with the punching rotating wheel or the press riveting rotating wheel, and the punching drill is fixedly connected to the lower end of the punching shaft.
Furthermore, a punching drill knife is arranged on the base.
Furthermore, one end of the punching rotation limiting block is fixed on the punching screw rod and the press riveting screw rod, and the other end of the punching rotation limiting block is connected with the base or the rack to limit the rotation of the punching screw rod and the press riveting screw rod.
Furthermore, one end of the rotation limiting block is sleeved on the non-circular special-shaped end face of the punching screw and the press riveting screw, and the other end of the rotation limiting block is connected with the base or the rack to limit the rotation of the punching screw and the press riveting screw.
Furthermore, the lower end of the punching screw is fixedly connected with a punching drill knife, and the lower end of the pressure riveting screw is fixedly connected with a pressure riveting assembly.
The invention adopts the technical proposal to achieve the following beneficial effects:
1. the invention adopts a punching and pressure riveting combined structure which is mainly composed of a base arranged on a frame, a punching screw, a pressure riveting screw, a motor fixed on the base, a punching rotating wheel and a pressure riveting rotating wheel which are rotationally positioned on the base, and a screw lifting mechanism is utilized to complete the functions of punching and pressure riveting by one motor.
2. The invention adopts a screw lifting mechanism for a press riveting structure and simplifies the press riveting assembly.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of example 2;
FIG. 3 is a schematic structural view of embodiment 3;
FIG. 4 is a schematic structural view of example 4;
FIG. 5 is a schematic structural view of example 5;
fig. 6 is a schematic structural view of embodiment 6.
Description of reference numerals: 1. the punching machine comprises a motor 1-1, a worm 2, a rack 3, a base 4, a pressure riveting rotating wheel 5, a pressure riveting screw 6, a punching rotation limiting block 7, a guide pillar 8, a pressure riveting assembly 9, a punching drill 10, a punching screw 11, a punching rotating wheel 12 and a punching shaft.
Detailed Description
The technical solution is described in detail with reference to specific embodiments below.
As shown in fig. 1, the present invention is a screw lifting rivet pressing mechanism for a bookbinding machine, and the present embodiment is a basic implementation structure of the present invention, and two sets of screw lifting mechanisms are adopted to respectively complete a punching function and a rivet pressing function. The base is provided with a driving motor 1 and a punching rotating wheel 11, and the output shaft of the driving motor is a worm 1-1 which is connected with the punching rotating wheel 11 through a worm gear. The perforating rotary wheel 11 is rotatably arranged on the base 3 and can not lift and move relative to the base. The inner hole of the punching runner is provided with a thread which is in threaded connection with a punching screw. The top end of the punching screw 10 is connected with a punching rotation limiting block 6 which limits the punching screw to be incapable of rotating. The punching rotating wheel is in toothed connection with the pressure riveting rotating wheel 4, the pressure riveting rotating wheel is rotatably arranged on the base, and the pressure riveting rotating wheel cannot lift and move relative to the base. The inner hole of the pressure riveting rotating wheel is provided with threads which are in threaded connection with the pressure riveting screw rod 5. The top end of the pressure riveting screw is fixedly connected with a pressure riveting rotation limiting block which limits the screw to be incapable of rotating. The spiral directions of the punching screw and the pressure riveting screw are the same, the rotating directions are opposite, and the lifting directions of the punching mechanism and the pressure riveting mechanism are opposite. The drilling rotation limiting block is fixed at one end or sleeved on the drilling screw rod and the pressure riveting screw rod, and the other end of the drilling rotation limiting block is connected with the rack, the base or other parts to limit the drilling screw rod and the pressure riveting screw rod to be incapable of rotating and only capable of lifting relative to the base. The punching rotating wheel and the pressure riveting rotating wheel are in tooth joint or are in belt transmission, the spiral directions of the punching screw and the pressure riveting screw are in the same direction during tooth joint, and the spiral directions of the punching screw and the pressure riveting screw are opposite during belt transmission.
In the operation process, the driving motor rotates to push the punching rotating wheel connected with the motor output worm to rotate, the punching rotating wheel pushes the pressure riveting rotating wheel to rotate, and the pressure riveting screw is connected with the rotating wheel in a threaded mode. Because the punching screw rod and the riveting screw rod are limited from rotating, relative lifting movement is generated.
Example 1
As shown in fig. 2, the present invention is a screw lifting rivet pressing mechanism for a bookbinding machine, and in this embodiment, two sets of screw lifting mechanisms are adopted to respectively complete a punching function and a rivet pressing function. The punching machine comprises a base 3 fixedly arranged on a machine frame 2, wherein a driving motor 1 and a punching rotating wheel 11 are arranged on the base, and an output shaft of the driving motor is a worm 1-1 and is connected with the punching rotating wheel, a worm gear and a worm. The perforation rotary wheel 11 is rotatably arranged on the base and can not lift and move. The inner hole of the punching runner is provided with a thread which is in threaded connection with a punching screw. The top end of the punching screw is fixedly connected with a punching rotation limiting block 6, and the other end of the rotation limiting block is sleeved on a guide pillar 7 fixed on the rack, so that the punching screw cannot rotate. The bottom end of the punching screw rod is connected with a punching drill knife 9. The punching rotating wheel is in toothed connection with the pressure riveting rotating wheel 4, and the pressure riveting rotating wheel 4 is rotatably arranged on the base and cannot lift or move. The inner hole of the pressure riveting rotating wheel is provided with threads which are in threaded connection with the pressure riveting screw rod 5. The top end of the pressure riveting screw rod is fixedly connected with a pressure riveting limiting rotating block, and the other end of the pressure riveting limiting rotating block is sleeved on a guide pillar fixed on the rack, so that the screw rod cannot rotate. The bottom end of the pressure riveting screw rod is connected with a pressure riveting component 8. The spiral directions of the punching screw and the pressure riveting screw are the same, the rotating directions are opposite, and the lifting directions of the punching mechanism and the pressure riveting mechanism are opposite. The driving motor rotates, promotes the runner rotation of punching of being connected with motor output worm, and owing to by the unable rotation of stop gear restriction with the screw rod that punches of runner spiro union, and accomplished raising and lowering functions, the drive subassembly that punches rises or descends, accomplishes the function of punching. The punching rotating wheel pushes the pressure riveting rotating wheel to rotate, and the pressure riveting screw rod connected with the rotating wheel in a screwed mode cannot rotate due to the fact that the pressure riveting screw rod is limited by the limiting mechanism, so that the lifting function is completed, the pressure riveting assembly is driven to ascend or descend, and the pressure riveting function is completed.
Example 2
As shown in fig. 3, the present invention is a binding machine using a screw lifting mechanism, which performs punching and riveting functions. The punching machine comprises a base 3 arranged on a lifting rack, a motor 1 and a punching rotating wheel 11 are arranged on the base 3, and an output shaft of the motor is a worm 1-1 and is connected with the punching rotating wheel, a worm gear and a worm. The punching rotating wheel is arranged on the base in a rotating mode and cannot lift and move relative to the base, the punching rotating wheel is in toothed connection with the punching shaft 12, and the lower end of the punching shaft is connected with the punching drill knife 9. The inner hole of the punching runner is provided with a thread which is in threaded connection with a punching screw. The punching screw is fixed on the frame. The punching rotating wheel is in toothed connection with the pressure riveting rotating wheel 4, the pressure riveting rotating wheel rotates and is arranged on the base, and the pressure riveting rotating wheel cannot lift and move relative to the base. The inner hole of the pressure riveting rotating wheel 4 is provided with threads which are in threaded connection with a pressure riveting screw rod. The top end sleeve of the pressure riveting screw rod is provided with a pressure riveting rotation limiting block, and the other end of the pressure riveting rotation limiting block is connected to the rack, so that the pressure riveting screw rod cannot rotate. The bottom end of the pressure riveting screw rod is connected with a pressure riveting component 8. The screw direction of the pressure riveting screw is the same as that of the screw, and the screw pitch of the screw is larger than that of the pressure riveting screw, so that the lifting direction of the screw is opposite to that of the base. The driving motor rotates, promotes the runner that punches that is connected with motor output worm and rotates, and owing to fixed with the screw rod that punches of runner spiro union to promote the base and accomplished raising and lowering functions, the subassembly that punches on the base accomplishes the action of punching. The punching rotating wheel pushes the pressure riveting rotating wheel to rotate, and the screw rod connected with the pressure riveting rotating wheel in a screwed mode cannot rotate due to the fact that the screw rod is limited by the limiting rotating block, so that the lifting function is completed, the pressure riveting assembly is driven to ascend or descend, and the pressure riveting function is completed.
Example 3
As shown in fig. 4, the present invention is a screw lifting mechanism of a binding machine, which performs a press riveting function. The punching machine comprises a base arranged on a lifting rack, wherein a motor 1 and a punching rotating wheel 11 are arranged on the base, and an output shaft of a driving motor is a worm 1-1 and is connected with the punching rotating wheel, a worm gear and a worm. The punching rotating wheel is arranged on the base 3 in a rotating way and can not lift and move relative to the base, and the base is fixedly connected with a punching drill bit 9. The inner hole of the punching runner is provided with a thread which is in threaded connection with a punching screw. The punching screw is fixed on the frame. The punching rotating wheel is in toothed connection with the pressure riveting rotating wheel 4, the pressure riveting rotating wheel 4 is arranged on the base in a rotating mode, and the relative base cannot lift and move. The inner hole of the pressure riveting rotating wheel is provided with threads which are in threaded connection with the pressure riveting screw rod 5. The top end sleeve of the pressure riveting screw rod is provided with a pressure riveting rotation limiting block, and the other end of the pressure riveting rotation limiting block is fixed on the base, so that the pressure riveting screw rod cannot rotate. The bottom end of the pressure riveting screw rod is connected with a pressure riveting component 8. The spiral directions of the punching screw and the pressure riveting screw are the same, and the screw pitch of the pressure riveting screw is larger than that of the punching screw, so that the lifting direction of the pressure riveting screw is opposite to that of the base. The driving motor rotates, promotes the runner that punches that is connected with motor output worm and rotates, and owing to fixed with the screw rod that punches of runner spiro union to promote the base and accomplished raising and lowering functions, the subassembly that punches on the base accomplishes the action of punching. The punching rotating wheel pushes the pressure riveting rotating wheel to rotate, and the pressure riveting screw connected with the pressure riveting rotating wheel cannot rotate due to the limitation of the limiting mechanism, so that the lifting function is completed, the pressure riveting assembly is driven to ascend or descend, and the pressure riveting function is completed. The lifting speed between the base and the frame is less than that between the base and the pressure riveting screw.
Example 4
As shown in fig. 5, the present invention is a screw lifting and punching mechanism for a bookbinding machine, and in this embodiment, two sets of screw lifting mechanisms are adopted to respectively complete a punching function and a riveting function. The riveting device comprises a base 3 arranged on a lifting frame 2, wherein a motor 1 and a pressure riveting rotating wheel 4 are arranged on the base, and an output shaft of the motor is a worm which is connected with the pressure riveting rotating wheel, a worm gear and a worm. The pressure riveting rotating wheel 4 is rotatably arranged on the base and can not lift and move relative to the base. The inner hole of the pressure riveting rotating wheel 4 is provided with threads which are in threaded connection with a pressure riveting screw rod 5. The press riveting screw rod is fixed on the frame. The base is fixedly connected with a press riveting component 8. The pressure riveting rotating wheel is in toothed connection with the punching rotating wheel 11, and the punching rotating wheel is arranged on the base in a rotating mode and cannot lift and move relative to the base. The inner hole of the punching runner is provided with a thread which is in threaded connection with a punching screw. The top end of the punching screw rod 10 is fixedly connected with a punching rotation limiting block 6, and the other end of the punching rotation limiting block is sleeved on a lifting guide pillar 7 fixed on the rack, so that the punching screw rod cannot rotate. The bottom end of the punching screw 10 is connected with a punching component. On the base, driving motor rotates, promotes the pressure riveting runner that is connected with motor output worm to rotate, because the pressure riveting screw rod concreties in the frame, the base has been promoted and has accomplished elevating system, drives the pressure riveting subassembly that sets up on the base and rises or descend, accomplishes the pressure riveting function. The spiral directions of the pressure riveting screw and the punching screw are the same, and the pitch of the punching screw is larger than that of the pressure riveting screw, so that the lifting direction of the punching screw is opposite to that of the base. The pressure riveting rotating wheel pushes the punching rotating wheel to rotate, and the punching screw connected with the punching rotating wheel in a screwed mode can not rotate due to the fact that the punching screw is limited by the limiting mechanism, so that the lifting function is completed, the punching drill is driven to ascend or descend, and the punching function is completed.
Example 5
As shown in fig. 6, the present invention is a screw lifting and punching mechanism for a bookbinding machine, and in this embodiment, two sets of screw lifting mechanisms are adopted to respectively complete a punching function and a riveting function. The riveting device comprises a base 3 arranged on a lifting frame, wherein a motor 1 and a pressure riveting rotating wheel 4 are arranged on the base, and an output shaft of the motor is a worm which is connected with the pressure riveting rotating wheel, a worm gear and a worm. The pressure riveting rotating wheel is rotatably arranged on the base and can not lift and move relative to the base. The inner hole of the pressure riveting rotating wheel is provided with threads which are in threaded connection with the pressure riveting screw rod 5. The pressure riveting screw 5 is fixed on the frame 2. And a press riveting component 8 is fixedly connected to the base 3. The pressure riveting rotating wheel 4 is in toothed connection with the punching rotating wheel 11, and the punching rotating wheel 11 is arranged on the base 3 in a rotating mode and cannot lift and move relative to the base. The inner hole of the punching runner is provided with threads which are in threaded connection with a punching screw 10. The top cover of the screw rod that punches is equipped with the limit of commentaries on classics piece that punches, and the limit of commentaries on classics piece other one end that punches cup joints on being fixed in the base, makes the screw rod that punches can not rotate. The bottom of the punching screw rod is connected with a punching assembly. On the base, the driving motor rotates to push the pressure riveting rotating wheel connected with the motor output worm to rotate, and the base is pushed to complete the lifting function due to the fact that the pressure riveting screw is fixedly connected to the rack, so that the pressure riveting assembly is driven to ascend or descend to complete the pressure riveting function. The spiral directions of the pressure riveting screw and the punching screw are the same, and the pitch of the punching screw is larger than that of the pressure riveting screw, so that the lifting direction of the punching screw is opposite to that of the base. The pressure riveting rotating wheel pushes the punching rotating wheel to rotate, and the punching screw connected with the punching rotating wheel in a screwed mode can not rotate due to the fact that the punching screw is limited by the limiting mechanism, so that the lifting function is completed, the punching drill is driven to ascend or descend, and the punching function is completed.
Compared with the prior art, the technical scheme has the advantages that the screw lifting mechanism is utilized, the punching and press riveting functions are completed through one motor, the screw lifting mechanism is used for pressing the riveting structure, and the press riveting assembly is simplified.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the inventive concept of the present invention, and these changes and modifications are all within the scope of the present invention.
Claims (11)
1. A punching and press-riveting combined mechanism is characterized by comprising a base, a punching screw, a press-riveting screw, a motor, a punching rotating wheel and a press-riveting rotating wheel, wherein the base is arranged on a rack; the runner center of punching is provided with the screw thread, and the screw rod of punching passes through the screw thread and the runner spiro union of punching, and the runner center is riveted to the pressure and is provided with the screw thread, and the screw rod is riveted through the screw thread and the runner spiro union is riveted to the pressure.
2. The punching and press-riveting combined mechanism according to claim 1, wherein a punching rotation limiting block and a press-riveting rotation limiting block are arranged on the frame or the base, the punching rotation limiting block is connected with the punching screw and limits the rotation of the punching screw, and the press-riveting rotation limiting block is connected with the press-riveting screw and limits the rotation of the press-riveting screw.
3. The punching and press-riveting combined mechanism according to claim 2, wherein one end of the punching rotation limiting block is fixed on the punching screw rod and the press-riveting screw rod, and the other end of the punching rotation limiting block is connected with the base or the frame to limit the rotation of the punching screw rod and the press-riveting screw rod; one end of the pressure riveting rotation limiting block is sleeved on the end portion of the punching screw rod and the end portion of the pressure riveting screw rod, and the other end of the pressure riveting rotation limiting block is connected with the base or the rack to limit the rotation of the punching screw rod and the pressure riveting screw rod.
4. The punching and riveting combined mechanism according to claim 1, wherein the punching screw is directly fixed on the frame, and the frame limits the rotation of the punching screw; or the press riveting screw rod is directly fixed on the frame, and the frame limits the rotation of the press riveting screw rod.
5. The punching and riveting combined mechanism is characterized in that a punching assembly is arranged on the base; the punching assembly mainly comprises a punching shaft and a punching drill, the punching shaft is in toothed connection with the punching rotating wheel or the press riveting rotating wheel, and the punching drill is fixedly connected to the lower end of the punching shaft.
6. The punching and riveting combined mechanism is characterized in that a punching drill knife or a punching drill knife fixedly connected with the lower end of a punching screw rod is arranged on the base.
7. The punching and press-riveting combined mechanism is characterized in that a press-riveting component is arranged on the base or fixed at the lower end of the press-riveting screw rod.
8. The punching and press-riveting combined mechanism is characterized in that an output shaft of a motor is connected with a punching rotating wheel or a press-riveting rotating wheel worm and gear.
9. The punching and pressure riveting combined mechanism according to claim 1, wherein the punching rotating wheel is in toothed connection with the pressure riveting rotating wheel, and the spiral direction of the thread arranged at the center of the punching rotating wheel is the same as that of the thread arranged at the center of the pressure riveting rotating wheel.
10. The perforating and pressure riveting combined mechanism as recited in claim 1, characterized in that the perforating rotating wheel and the pressure riveting rotating wheel are belt-driven, and the screw thread arranged at the center of the perforating rotating wheel and the screw thread arranged at the center of the pressure riveting rotating wheel are opposite in spiral direction.
11. The punching and riveting combined mechanism is characterized in that the base is arranged on the frame in a lifting mode, or the base is fixed on the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713946.5A CN110816106A (en) | 2019-08-02 | 2019-08-02 | Punching and press riveting combined mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910713946.5A CN110816106A (en) | 2019-08-02 | 2019-08-02 | Punching and press riveting combined mechanism |
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| Publication Number | Publication Date |
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| CN110816106A true CN110816106A (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910713946.5A Pending CN110816106A (en) | 2019-08-02 | 2019-08-02 | Punching and press riveting combined mechanism |
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| CN (1) | CN110816106A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385928A (en) * | 2019-08-02 | 2019-10-29 | 佛山易力佳办公设备有限公司 | Screw rod goes up and down pressure riveting mechanism |
-
2019
- 2019-08-02 CN CN201910713946.5A patent/CN110816106A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110385928A (en) * | 2019-08-02 | 2019-10-29 | 佛山易力佳办公设备有限公司 | Screw rod goes up and down pressure riveting mechanism |
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Effective date of registration: 20211112 Address after: 315600 No. 306, XuXiake Avenue, Ninghai County, Ningbo City, Zhejiang Province Applicant after: Deli Group Co., Ltd Address before: 528225 4th floor, building h, Chuangye Road, Songxia Industrial Park, Shishan town, Nanhai District, Foshan City, Guangdong Province Applicant before: Foshan Yilijia office equipment Co., Ltd |