CN219817810U

CN219817810U - Mechanical punching protecting device for preventing crush injury

Info

Publication number: CN219817810U
Application number: CN202320620506.7U
Authority: CN
Inventors: 郑文龙; 梁松; 刘正龙; 曾一洪
Original assignee: Chengdu High-Tech Zone Zhengtong Special Material Factory
Current assignee: Chengdu High-Tech Zone Zhengtong Special Material Factory
Priority date: 2023-03-27
Filing date: 2023-03-27
Publication date: 2023-10-13
Anticipated expiration: 2033-03-27

Abstract

The utility model relates to the technical field of stamping protection and discloses a mechanical stamping protection device capable of preventing crush injury, which comprises a support column arranged on one side of a stamping table, wherein the support column is connected with a mechanical driving mechanism, the mechanical driving mechanism is used for driving the support column to move along the horizontal direction, the support column is positioned on a moving path of a stamping head during feeding, and the support column is positioned on the outer side of the moving path of the stamping head during stamping. Under the normal state, the support column is located the removal route of punching press head, through the degree of freedom that moves down of support column restriction punching press head, after the material loading is accomplished, the workman needs one hand to press punching press start button, and another hand control support column removes to make the two hands of workman all leave behind the punching press platform and just can carry out punching press operation, thereby avoided the condition that hand was pressed and is injured, improved safety in utilization greatly.

Description

Mechanical punching protecting device for preventing crush injury

Technical Field

The utility model relates to the technical field of stamping protection, in particular to a mechanical stamping protection device for preventing crush injury.

Background

In the prior art, after the process of pressing the finished product by the manual molding element, an operator needs to use both hands to move the overturning die and take the finished product off the die table. It is well known that since the manual mechanical die pressing belongs to high-frequency, high-strength and fatigue-prone work, the operation work is difficult to keep high concentration and concentration for a long time, the pressure injury accident is very easy to occur, the protection device is required to be arranged to avoid the pressure injury, at present, the photoelectric sensor is mostly used for sensing whether the hands of staff are positioned on a station or not, the pressing action of the punching machine is controlled according to the signals fed back by the photoelectric sensor, but the photoelectric sensor belongs to electrical equipment, the failure condition exists, and meanwhile, larger detection errors can occur when the photoelectric sensor is used for a long time, and the problems all lead to the signals with the feedback errors of the photoelectric sensor, so that the pressure injury is caused.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide the mechanical stamping protection device for preventing the crush injury, which is a purely mechanical manual control structure, wherein the hand is required to leave a stamping table to control the stamping action, so that the use safety is greatly improved, and the condition of the crush injury is avoided.

The aim of the utility model is realized by the following technical scheme: the mechanical stamping protection device for preventing the crush injury comprises a support column arranged on one side of a stamping table, wherein the support column is connected with a mechanical driving mechanism, and the mechanical driving mechanism is used for driving the support column to move along the horizontal direction;

during feeding, the support column is positioned on the moving path of the stamping head;

and during stamping, the support column is positioned at the outer side of the moving path of the stamping head.

The technical scheme has the advantages that under a normal state, the support column is located on the moving path of the stamping head, the downward movement freedom degree of the stamping head is limited through the support column, after loading is completed, a worker needs to press the stamping start button by one hand, and the other hand controls the support column to move away, so that the stamping operation can be performed after the two hands of the worker leave the stamping table, the condition of hand crush injury is avoided, and the use safety is greatly improved.

In some embodiments, the mechanical driving mechanism comprises a cross rod and a longitudinal rod, one end of the cross rod is connected with the supporting column, one end of the longitudinal rod is fixedly connected with the middle part of the cross rod, the longitudinal rod is perpendicular to the cross rod on a horizontal plane, and the top of the longitudinal rod is slidably arranged on the stamping table.

In some embodiments, a support is fixed on the stamping table, one end of the vertical rod, which is far away from the cross rod, passes through the support and is fixed with a pressing disc, a spring is arranged between the pressing disc and the support, the spring is sleeved on the vertical rod, and when the spring is in a normal state, the support column is positioned on the moving path of the stamping head.

In some embodiments, a sliding block is fixed at the bottom of the vertical rod, a sliding groove is formed in the stamping table, and the sliding block is slidably fit in the sliding groove.

In some embodiments, the mechanical driving mechanism comprises a connecting rod, a rack and a driving shaft, one end of the connecting rod is fixedly connected with the supporting column, the rack is fixed on the top of the connecting rod, the driving shaft is rotatably arranged on the stamping table, a gear is connected on the driving shaft in a key way, and the gear is meshed with the rack.

In some embodiments, a mounting seat is fixed on the stamping table, the driving shaft is rotatably connected to the mounting seat, and a compression bar is fixed on one end of the driving shaft, which is far away from the rack, through the mounting seat.

In some embodiments, the drive shaft is sleeved with a torsion spring, and the drive shaft is connected to the mounting seat through the torsion spring.

In some embodiments, the support post is positioned in the path of travel of the ram head when the torsion spring is in a normal state.

The beneficial effects of the utility model are as follows:

1. under the normal state, the support column is located the removal route of punching press head, through the degree of freedom that moves down of support column restriction punching press head, after the material loading is accomplished, the workman needs one hand to press punching press start button, and another hand control support column removes to make the two hands of workman all leave behind the punching press platform and just can carry out punching press operation, thereby avoided the condition that hand was pressed and is injured, improved safety in utilization greatly.

2. The mechanical driving mechanism adopts a pure mechanical structure, and compared with the situation that misjudgment does not occur in electric driving equipment, the protection capability of the protection device is improved.

Drawings

FIG. 1 is a schematic view of a mechanical stamping apparatus for protecting against crush injury according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a second embodiment of a mechanical stamping protection device for preventing crush injury according to the present utility model;

FIG. 3 is an enlarged view of FIG. 2 at A;

FIG. 4 is a top view of a second embodiment of a crush-resistant mechanical punch guard;

in the figure, a 1-stamping table, a 2-supporting column, a 3-cross rod, a 4-longitudinal rod, a 5-support, a 6-pressing disc, a 7-spring, an 8-sliding block, a 9-sliding groove, a 10-connecting rod, an 11-rack, a 12-driving shaft, a 13-gear, a 14-mounting seat, a 15-pressing rod and a 16-torsion spring are arranged.

Detailed Description

The technical solution of the present utility model will be described in further detail with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following description.

As shown in fig. 1 to 4, the embodiment one, a mechanical punching protection device for preventing crush injury includes a support column 2 disposed at one side of a punching table 1, wherein the support column 2 is connected with a mechanical driving mechanism, and the mechanical driving mechanism is used for driving the support column 2 to move along a horizontal direction;

during feeding, the support column 2 is positioned on the moving path of the stamping head; when in punching, the support column 2 is positioned at the outer side of the moving path of the punching head; normally, the support column 2 is positioned on the moving path of the stamping head, the downward movement freedom degree of the stamping head is limited by the support column 2, when the feeding is completed, a worker needs to press a stamping start button by one hand, and the other hand controls the support column to move away, so that the stamping operation can be performed after the two hands of the worker leave the stamping table, the situation of hand crush injury is avoided, and the use safety is greatly improved; and secondly, the mechanical driving mechanism adopts a pure mechanical structure, so that the protection capability of the protection device is improved compared with the situation that misjudgment does not occur in the electric driving equipment.

In the second embodiment, as shown in fig. 1, the mechanical driving mechanism includes a cross bar 3 and a vertical bar 4, one end of the cross bar 3 is connected with a support column 2, one end of the vertical bar 4 is fixedly connected with the middle part of the cross bar 3, the vertical bar 4 is perpendicular to the cross bar 3 on a horizontal plane, the top of the vertical bar 4 is slidably arranged on a stamping table 1, a support 5 is fixed on the stamping table 1, one end of the vertical bar 4 far away from the cross bar 3 passes through the support 5 and is fixed with a pressing disc 6, a spring 7 is arranged between the pressing disc 6 and the support 5, the spring 7 is sleeved on the vertical bar 4, when the spring is in a normal state, the support column 2 is located on a moving path of the stamping head, the pressing disc 6 is pressed in a direction close to the cross bar 3, so that the vertical bar 4 compresses the spring 7 to move, the vertical bar 4 drives the cross bar 3 to move, the support column 2 is far away from the stamping head to move, thereby driving the support column 2 to move outside the working range of the stamping head, and the safety is high, and after the stamping is completed, the pressing disc 6 is released, the reactive force of the spring 7 of the support column 2 returns to the original position.

Further, the bottom of the vertical rod 4 is fixed with a sliding block 8, a sliding groove 9 is formed in the stamping table 1, the sliding block 8 is slidably matched in the sliding groove 9, the surface of the stamping table 1 in the moving range of the support column 2 is subjected to smooth processing, friction between the support column 2 and the stamping table 1 is reduced, and the support column 2 can be driven to move on the stamping table 1 by lightly pressing the pressing plate 6.

In the third embodiment, as shown in fig. 2 to 4, the mechanical driving mechanism includes a connecting rod 10, a rack 11 and a driving shaft 12, one end of the connecting rod 10 is fixedly connected to the supporting column 2, the rack 11 is fixed at the top of the connecting rod 10, the driving shaft 12 is rotatably arranged on the stamping table 1, a gear 13 is connected to the driving shaft 12 in a key manner, the gear 13 is meshed with the rack 11, a mounting seat 14 is fixed on the stamping table 1, the driving shaft 12 is rotatably connected to the mounting seat 14, one end of the driving shaft 12, far away from the rack 11, passes through the mounting seat 14 and is fixedly provided with a compression bar 15, the driving shaft 12 is sleeved with a torsion spring 16, the driving shaft 12 is connected to the mounting seat 14 through the torsion spring 16, and when the torsion spring 16 is in a normal state, the supporting column 2 is positioned on a moving path of the stamping head; the pressing rod 15 is pressed down along the radial direction of the driving shaft 12, so that the driving shaft 12 rotates, the driving shaft 12 drives the rack 11 to slide through the gear 13, the rack 11 drives the support column 2 to move away from the punching head through the connecting rod 10, normal punching operation is guaranteed, after the pressing rod 15 is loosened, the driving shaft 12 returns to the original position under the reaction force of the torsion spring 16, the support column 2 returns to the original position, and the pressing of the punching head is limited continuously.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "other end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model; and those of ordinary skill in the art will appreciate that the benefits achieved by the present utility model are merely better than those achieved by the current embodiments of the prior art in certain circumstances and are not intended to be the most excellent uses directly in the industry.

The foregoing is merely a preferred embodiment of the utility model, and it is to be understood that the utility model is not limited to the form disclosed herein but is not to be construed as excluding other embodiments, but is capable of numerous other combinations, modifications and environments and is capable of modifications within the scope of the inventive concept, either as taught or as a matter of routine skill or knowledge in the relevant art. And that modifications and variations which do not depart from the spirit and scope of the utility model are intended to be within the scope of the appended claims.

Claims

1. The mechanical stamping protection device for preventing crush injury is characterized by comprising a support column (2) arranged on one side of a stamping table (1), wherein the support column (2) is connected with a mechanical driving mechanism, and the mechanical driving mechanism is used for driving the support column (2) to move along the horizontal direction;

during feeding, the support column (2) is positioned on the moving path of the stamping head;

and during punching, the support column (2) is positioned at the outer side of the moving path of the punching head.

2. The mechanical punching protection device for preventing crush injury according to claim 1, wherein the mechanical driving mechanism comprises a cross rod (3) and a longitudinal rod (4), one end of the cross rod (3) is connected with the support column (2), one end of the longitudinal rod (4) is fixedly connected with the middle part of the cross rod (3), the longitudinal rod (4) is perpendicular to the cross rod (3) on a horizontal plane, and the top of the longitudinal rod (4) is slidably arranged on the punching table (1).

3. The mechanical punching protection device for preventing crush injury according to claim 2, wherein a support (5) is fixed on the punching table (1), one end of the vertical rod (4) far away from the cross rod (3) passes through the support (5) to be fixed with a pressing disc (6), a spring (7) is arranged between the pressing disc (6) and the support (5), the spring (7) is sleeved on the vertical rod (4), and when the spring is in a normal state, the support column (2) is positioned on a moving path of the punching head.

4. A mechanical punching protection device for preventing crush injury according to claim 3, characterized in that a sliding block (8) is fixed at the bottom of the vertical rod (4), a sliding groove (9) is formed in the punching table (1), and the sliding block (8) is slidably fit in the sliding groove (9).

5. The mechanical punching protection device for preventing crush injury according to claim 1, wherein the mechanical driving mechanism comprises a connecting rod (10), a rack (11) and a driving shaft (12), one end of the connecting rod (10) is fixedly connected with the supporting column (2), the rack (11) is fixed at the top of the connecting rod (10), the driving shaft (12) is rotatably arranged on the punching table (1), a gear (13) is connected to the driving shaft (12) in a key manner, and the gear (13) is meshed with the rack (11).

6. The mechanical punching protection device for preventing crush injury according to claim 5, wherein a mounting seat (14) is fixed on the punching table (1), the driving shaft (12) is rotatably connected to the mounting seat (14), and a compression bar (15) is fixed at one end of the driving shaft (12) away from the rack (11) through the mounting seat (14).

7. The mechanical punch protector against crush injury of claim 6, wherein said drive shaft (12) is sleeved with a torsion spring (16), said drive shaft (12) being connected to said mounting base (14) by said torsion spring (16).

8. A mechanical punch protector against crushing according to claim 7, characterised in that the support column (2) is located in the path of movement of the punch head when the torsion spring (16) is in its normal state.