CN210817138U - Pressure-proof mechanism - Google Patents
Pressure-proof mechanism Download PDFInfo
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- CN210817138U CN210817138U CN201921305893.5U CN201921305893U CN210817138U CN 210817138 U CN210817138 U CN 210817138U CN 201921305893 U CN201921305893 U CN 201921305893U CN 210817138 U CN210817138 U CN 210817138U
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- sleeper
- photoelectric
- punch press
- control system
- die cavity
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Abstract
The utility model provides a prevent pressing mechanism, includes punch press and sleeper, makes the sleeper get into or withdraw from the die cavity through control system drive actuating cylinder piston motion, utilizes the back-and-forth movement realization duplicate protection of photoelectric barrier piece simultaneously, prevents that the punch press from moving unusually in debugging and maintenance process, and the both hands of pressing the staff are wounded. The operation is easier than the traditional pressure-proof mode, and the automatic stretching-in and withdrawing of the sleeper are realized by the aid of the linear reciprocating motion of the air cylinder; by utilizing an interlocking principle, the association between equipment control and sleeper control is realized, the fool-proof design effect is achieved, and accidents caused by human errors are avoided; the photoelectric barrier and the sleeper realize safety double insurance, and realize mechanical and electronic double protection and higher safety.
Description
Technical Field
The invention belongs to the field of sheet metal moulds and mainly relates to a pressure-proof mechanism in the debugging and maintenance process of a sheet metal mould.
Background
In the current large-batch stamping production, a sheet metal die is the most important processing and forming equipment and is widely applied to the manufacturing fields of automobiles, household electrical appliances and the like. In the stamping production process of a sheet metal die, various abnormalities often occur to cause production interruption, and shutdown, maintenance and debugging are needed; during the maintenance and debugging, the safety accidents such as die and personnel crush often occur.
Therefore, how to effectively avoid the occurrence of the crush injury is very important for operators and the die. In the current industrial production, the pressing mode is prevented in panel beating stamping production has:
the first scheme is as follows: the operator firstly stops the equipment, searches for the sleepers and puts the sleepers into the die cavity of the die, then can enter the die cavity by both hands to carry out debugging and maintenance operations, takes out the sleepers after the operations are finished, and restarts the machine for production after the operations are finished. The pressure-proof mode is the most traditional mode, the sleepers need to be taken manually, the operation is inconvenient, the sleepers are easy to lose, and the sleepers are not easy to find during use; meanwhile, the scheme has the hidden trouble that the staff easily forget the sleepers in the die cavities and the direct start-up production causes accidents.
Scheme II: on the basis of the first scheme, one end of the sleeper is fixed by using an iron chain, and the other end of the sleeper is connected to a machine tool. The problem that the sleeper is lost easily has mainly been solved to this scheme, still has the manual inconvenience of taking to easy accident takes place.
Disclosure of Invention
In order to solve the hidden danger that the sleeper is inconvenient to operate and accidents happen due to manual taking, the invention designs the structure that the piston rod of the cylinder drives the sleeper to do linear reciprocating motion, so that the automatic stretching into and withdrawing from the die cavity of the sleeper is realized, and meanwhile, the back and forth movement of the photoelectric retaining sheet is utilized to realize double protection, thereby preventing the punch from abnormally operating and injuring the two hands of a worker in the debugging and maintenance process.
In order to achieve the purpose, the anti-pressure mechanism comprises a punch press 1 and a sleeper 19, wherein the punch press 1 is provided with a die cavity 3, the punch press 1 is provided with a control system 20 for controlling the punch press (1) to start or stop, the control system 20 controls the sleeper 19 to enter or exit the die cavity 3, the sleeper 19 is in contact with a sliding device connected with a photoelectric blocking piece 7, the sleeper 19 enters or exits the die cavity 3 to enable the photoelectric blocking piece 7 to move to or exit between a left photoelectric grating 10 and a right photoelectric grating 4 arranged on the punch press 1, the left photoelectric grating 10 and the right photoelectric grating 4 send shading signals or cancel the shading signals to the control system 20, and the control system 20 controls the punch press 1 to stop or start.
Preferably, the punch press 1 is provided with a slide block 2 capable of sliding up and down, and when the slide block 2 moves upwards, the die cavity 3 is located below the slide block 2.
Preferably, the sleeper 19 is connected with a piston connecting rod 12, and the piston connecting rod 12 is connected with a cylinder 13.
Preferably, the sleeper 19 is provided with an inclined sliding groove 18, the sliding device is arranged in the inclined sliding groove 18, and the depth in the inclined sliding groove 18 is reduced from one end entering the mold cavity 3 to the other end.
Preferably, the sleepers 19 are provided with inclined sliding grooves 18 with the same depth in the grooves, the sliding device is arranged in the inclined sliding grooves 18, and the distance difference between the groove surfaces of the inclined sliding grooves 18 and the connecting surfaces of the inclined sliding grooves 18 and the sleepers 19 is increased from one end entering the mold cavity 3 to the other end.
Preferably, the cross section of the sleeper 19 is gradually increased from one end entering the mold cavity 3 to the other end, the sleeper 19 enters the mold cavity 3 to move the photoelectric blocking piece 7 outwards, and the sleeper 19 exits the mold cavity 3 to move the photoelectric blocking piece 7 inwards.
Preferably, the sliding device is a sliding shaft rod 8, the sliding shaft rod 8 is provided with a photoelectric barrier 7, the sliding shaft rod 8 is further provided with a spring 11, and the sleeper 19 moves to or retreats from the mold cavity 3 so that the moving direction of the photoelectric barrier 7 is perpendicular to the shortest straight distance between the left photoelectric grid 10 and the right photoelectric grid 4.
Preferably, the punch press 1 is provided with a support 15, and the support 15 is provided with an illuminating lamp 16 and an alarm indicating lamp 17.
Preferably, the photoelectric barrier 7 moves to or out of the space between the left photoelectric grille 10 and the right photoelectric grille 4, so that the illuminating lamp 16 and the alarm indicating lamp 17 are turned on or off.
Preferably, the punch press 1 is further provided with a start button 5 and a stop button 6 for controlling the start and the stop of the punch press 1.
The operation mode of the pressure-proof mechanism comprises the following steps:
(1) when the sliding block 2 is located at the highest point, the stop button 6 is pressed, the stop button 6 transmits a stop signal to the control system 20, and the control system 20 controls the punch press 1 to stop running;
(2) the control system 20 controls the cylinder 13 to drive the piston connecting rod 12 to move forward into the die cavity 3 along the horizontal direction, and the piston connecting rod 12 drives the sleeper 19 to extend into the die cavity 3;
(3) when the sleeper 19 moves, the inclined sliding grooves 18 also move synchronously, and the inclined sliding grooves 18 push the sliding shaft rod 8 to move outwards vertical to the inclined sliding grooves 18 by utilizing the depth in the grooves or the height difference of inclined surfaces until the photoelectric blocking pieces 7 block the space between the left photoelectric grating 10 and the right photoelectric grating 4;
(4) the left photoelectric grating 10 and the right photoelectric grating 4 transmit shading signals to the control system 20, the control system 20 controls the punch 1 to stop emergently again, meanwhile, the control system 20 controls the illuminating lamp 16 and the alarm indicator lamp 17 to be turned on, and a worker stretches two hands into the die cavity 3 to carry out debugging and maintenance operation at the moment and check abnormality;
(5) after the debugging and maintenance of the worker are finished, the worker leaves the die cavity 3 with both hands, presses the starting button 5, the starting button 5 transmits a starting signal to the control system 20, the control system 20 controls the cylinder 13 to drive the piston connecting rod 12 to retreat along the horizontal direction, and the piston connecting rod 12 drives the sleeper 19 to retreat from the die cavity 3;
(6) when the sleeper 19 moves, the inclined sliding grooves 18 also move synchronously, the inclined sliding grooves 18 utilize the depth in the grooves or the height difference of inclined surfaces, the supporting force of the sliding shaft rod 8 by the inclined sliding grooves 18 is smaller and smaller, the compressed spring 11 gradually stretches and recovers and pushes the sliding shaft rod 8 to enable the sliding shaft rod 8 to move inwards perpendicular to the inclined sliding grooves 18 until the sliding shaft rod 8 drives the photoelectric blocking piece 7 to exit from the area between the left photoelectric grating 10 and the right photoelectric grating 4, the left photoelectric grating 10 and the right photoelectric grating 4 receive shading cancellation signals and transmit the signals to a machine tool control system 20, the control system 20 controls the punch press 1 to start and operate, and meanwhile, the control system 20 controls the illuminating lamp 16 and the alarm indicating lamp 17 to be turned off;
(7) and (3) restoring the normal production of the punch press 1, starting the slide block 2 to move downwards, and repeating the operation processes of the steps (1) - (6) when the punch press 1 needs to be maintained or debugged again.
Has the advantages that:
1. the automatic stretching-in and withdrawing of the sleeper can be realized by means of the linear reciprocating motion of the cylinder only by pressing the button without entering the die cavity with both hands of a person to take and place the sleeper;
2. by utilizing an interlocking principle, the association between equipment control and sleeper control is realized, the fool-proof design effect is achieved, and accidents caused by human errors are avoided;
3. the photoelectric barrier and the sleeper realize safety double insurance, and realize mechanical and electronic double protection and higher safety.
Drawings
Fig. 1 is a perspective view of the pressure prevention mechanism of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is a front view of the pressure prevention mechanism of the present invention.
Fig. 4 is a left side view of the pressure prevention mechanism of the present invention.
Wherein, 1: punching machine, 2: slider, 3: mold cavity, 4: right photoelectric grid, 5: start button, 6: stop button, 7: photoelectric barrier sheet, 8: sliding shaft lever, 9: sliding support, 10: left photogate, 11: spring, 12: piston rod, 13: air cylinder, 14: fixing pin, 15: support, 16: illumination lamp, 17: alarm indicator lamp, 18: inclined chute, 19: crosstie, 20: and (5) controlling the system.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention designs an anti-pressure mechanism, as shown in figures 1, 3 and 4, a support 15 is arranged on a punch press 1 through a fixing pin 14, and a cylinder 13, an illuminating lamp 16, an alarm indicator lamp 17 and a sliding support 9 are further arranged on the support 15.
As shown in fig. 1, 3 and 4, a slide block 2 capable of moving up and down is installed in a punch press 1, and when the slide block 2 slides upwards, a space just below the slide block 2 is a mold cavity 3; as shown in fig. 1, 2 and 3, the cylinder 13 is connected with one end of the piston connecting rod 12, the other end of the piston connecting rod 12 is connected with the sleeper 19, and the cylinder 13 drives the sleeper 19 to enter or exit the die cavity 3; as shown in fig. 2, an inclined chute 18 is fixed on a side surface of the sleeper 19, a depth difference of an inclined surface of the inclined chute 18 gradually decreases from one end entering the mold cavity 3 to the other end, a sliding shaft rod 8 is arranged in the inclined chute 18, the inclined chute 18 and the sliding shaft rod 8 are perpendicular to each other, when the sleeper 19 moves towards the mold cavity 3, the sliding shaft rod 8 is pushed in the inclined chute 18 to move outwards perpendicular to the inclined chute 18, a spring 11 is sleeved on the sliding shaft rod 8, one end of the spring 11 abuts against a protrusion of the sliding shaft rod 8, and the other end of the spring 11 is connected with the sliding support 9; when the sliding shaft 8 moves outwards, the spring 11 is gradually compressed by the projection and the sliding bracket 9; when the sleepers 19 exit the mould cavity 3, the sliding shaft 8 moves inwards by means of the difference in the slope of the sloping chute 18 and the spring force of the spring 11;
as shown in fig. 1, 2 and 3, the sliding shaft 8 is connected with the photoelectric barrier 7, two sides of the punch 1 are respectively connected with the left photoelectric grating 10 and the right photoelectric grating 4, when the sleeper 19 moves into the die cavity 3, the photoelectric barrier 7 is located between the left photoelectric grating 10 and the right photoelectric grating 4 to block the space between the left photoelectric grating 10 and the right photoelectric grating 4, the left photoelectric grating 10 and the right photoelectric grating 4 generate a shading signal, the control system 20 receives the shading signal, the control system 20 controls the illumination lamp 16 and the alarm indicator lamp 17 to light up, the illumination lamp 16 is used for illuminating the die cavity 3 to facilitate debugging and maintenance of workers, the alarm indicator lamp 17 is used for prompting workers, the punch 1 is in a pause state, when the photoelectric barrier 7 exits from the space between the left photoelectric grating 10 and the right photoelectric grating 4, a shading cancellation signal is generated, the control system 20 receives the shading cancellation signal, the control system 20 controls the lighting lamp 16 and the alarm indicator lamp 17 to be turned off, and the punch press 1 resumes normal work again;
as shown in fig. 1, 3 and 4, the punch press 1 is provided with a start button 5 and a stop button 6, and is further provided with a control system 20, wherein the control system 20 is electrically connected with the start button 5, the stop button 6, the punch press 1, the cylinder 13, the illuminating lamp 16, the alarm indicator lamp 17, the left photoelectric grating 10 and the right photoelectric grating 4 respectively.
The operation steps of the pressure prevention mechanism of the embodiment are as follows:
(1) when the sliding block 2 is located at the highest point, the stop button 6 is pressed, the stop button 6 transmits a stop signal to the control system 20, the control system 20 controls the punch press 1 to stop running, and the sliding block 2 stops sliding;
(2) the control system 20 controls the cylinder 13 to drive the piston connecting rod 12 to move forward into the die cavity 3 along the horizontal direction, and the piston connecting rod 12 drives the sleeper 19 to extend into the die cavity 3;
(3) when the sleeper 19 moves, the inclined sliding grooves 18 fixed on the sleeper 19 also move synchronously, the inclined sliding grooves 18 push the sliding shaft rod 8 to move outwards vertical to the inclined sliding grooves 18 by utilizing the inclined surface difference, one end of the spring 11 props against the bulge of the sliding shaft rod 8, the other end of the spring is connected with the sliding support 9, and the bulge and the sliding support 9 gradually compress the spring 11 until the photoelectric barrier 7 blocks the space between the left photoelectric grating 10 and the right photoelectric grating 4;
(4) the left photoelectric grating 10 and the right photoelectric grating 4 transmit shading signals to the control system 20, the control system 20 controls the punch 1 to stop emergently again, meanwhile, the control system 20 controls the illuminating lamp 16 and the alarm indicator lamp 17 to be turned on, and a worker stretches two hands into the die cavity 3 to carry out debugging and maintenance operation at the moment and check abnormality;
(5) after the debugging and maintenance of the worker are finished, the two hands leave the die cavity 3, the starting button 5 is pressed, the starting button 5 transmits a starting signal to the control system 20, the control system 20 firstly controls the cylinder 13 to drive the piston connecting rod 12 to retreat along the horizontal direction, and the piston connecting rod 12 drives the sleeper 19 to retreat from the die cavity 3;
(6) when the sleeper 19 moves, the inclined chutes 18 also move synchronously, the sliding shaft rod 8 is supported by the inclined chutes 18 to be smaller and smaller by utilizing the inclined plane difference, the compressed spring 11 gradually stretches and recovers and pushes the sliding shaft rod 8, so that the sliding shaft rod 8 moves inwards perpendicular to the inclined chutes 18 until the sliding shaft rod 8 drives the photoelectric blocking piece 7 to exit from the area between the left photoelectric grating 10 and the right photoelectric grating 4, the left photoelectric grating 10 and the right photoelectric grating 4 receive the shading cancellation signal and transmit the signal to the machine tool control system 20, the control system 20 controls the punch press 1 to start to operate, and the control system 20 controls the illuminating lamp 16 and the alarm indicator lamp 17 to be closed at the same time;
(7) and (3) restoring the normal production of the punch press 1, starting the slide block 2 to move downwards, and repeating the operation processes of the steps (1) - (6) when the punch press 1 needs to be maintained or debugged again.
Specific example 2
The present embodiment is different from embodiment 1 in that: the crosstie 19 of this embodiment is a trapezoidal body, one side of the inclined chute 18 is an inclined surface perpendicular to the bottom surface, the inclined chute 18 has no inclined surface difference, the cross section of the crosstie 19 gradually increases from one end entering the die cavity 3 to the other end, and the rest is the same as that of embodiment 1.
Specific example 3
The present embodiment is different from embodiment 1 in that the depth of the inclined chute 18 in the present embodiment is reduced from one end of the sleeper 19 entering the cavity 3 to the other end, and the rest is the same as embodiment 1.
Claims (10)
1. The utility model provides a prevent pressing mechanism, includes punch press (1) and sleeper (19), punch press (1) is equipped with die cavity (3), its characterized in that, be equipped with control system (20) that control punch press (1) started or stopped on punch press (1), control system (20) control sleeper (19) get into or withdraw from die cavity (3), sleeper (19) contact with the slider of connecting photoelectric barrier piece (7), sleeper (19) get into or withdraw from die cavity (3) and make photoelectric barrier piece (7) move to or withdraw from and locate between left photoelectric grid (10) and the right photoelectric grid (4) on punch press (1), left photoelectric grid (10) and right photoelectric grid (4) send the shading signal or cancel the shading signal to control system (20), control system (20) control punch press (1) stop or start.
2. The pressure prevention mechanism as claimed in claim 1, wherein the punch press (1) is provided with a slide block (2) which slides up and down, and when the slide block (2) moves up, the die cavity (3) is located below the slide block (2).
3. Pressure protection mechanism according to claim 1, characterized in that the sleeper (19) is connected to a piston connecting rod (12), which piston connecting rod (12) is connected to a cylinder (13).
4. The pressure-proof mechanism according to claim 1, characterized in that the sleeper (19) is provided with an inclined sliding groove (18), the sliding device is arranged in the inclined sliding groove (18), and the depth of the inclined sliding groove (18) is reduced from one end entering the mold cavity (3) to the other end.
5. The pressure-proof mechanism according to claim 1, characterized in that the sleeper (19) is provided with an inclined slide groove (18) with a uniform depth in the groove, the sliding device is arranged in the inclined slide groove (18), and the distance difference between the groove surface of the inclined slide groove (18) and the connecting surface of the inclined slide groove (18) and the sleeper (19) is increased from one end entering the die cavity (3) to the other end.
6. The pressure prevention mechanism as claimed in claim 1, wherein the cross section of the sleeper (19) is increased from one end entering the mold cavity (3) to the other end, the sleeper (19) enters the mold cavity (3) to move the photoelectric blocking piece (7) outwards, and the sleeper (19) exits the mold cavity (3) to move the photoelectric blocking piece (7) inwards.
7. The pressure prevention mechanism according to any one of claims 4, 5 or 6, wherein the sliding device is a sliding shaft (8), the sliding shaft (8) is provided with the photoelectric barrier sheet (7), the sliding shaft (8) is further provided with a spring (11), and the sleeper (19) moves into or withdraws from the mold cavity (3) so that the moving direction of the photoelectric barrier sheet (7) is perpendicular to the shortest straight distance between the left photoelectric grid (10) and the right photoelectric grid (4).
8. The pressure prevention mechanism according to claim 7, wherein the punch press (1) is provided with a bracket (15), and the bracket (15) is provided with an illuminating lamp (16) and an alarm indicator lamp (17).
9. The pressure protection mechanism according to claim 8, wherein the photoelectric barrier (7) moves to or out of the space between the left photoelectric grille (10) and the right photoelectric grille (4) to enable the lighting lamp (16) and the alarm indicator lamp (17) to be turned on or off.
10. The pressure prevention mechanism according to claim 1, wherein the punch press (1) is further provided with a start button (5) and a stop button (6) for controlling the start and the stop of the punch press (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305893.5U CN210817138U (en) | 2019-08-13 | 2019-08-13 | Pressure-proof mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921305893.5U CN210817138U (en) | 2019-08-13 | 2019-08-13 | Pressure-proof mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210817138U true CN210817138U (en) | 2020-06-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921305893.5U Active CN210817138U (en) | 2019-08-13 | 2019-08-13 | Pressure-proof mechanism |
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| Country | Link |
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| CN (1) | CN210817138U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355302A (en) * | 2019-08-13 | 2019-10-22 | 格力电器（郑州）有限公司 | A kind of anti-pushing-down mechanism |
-
2019
- 2019-08-13 CN CN201921305893.5U patent/CN210817138U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110355302A (en) * | 2019-08-13 | 2019-10-22 | 格力电器（郑州）有限公司 | A kind of anti-pushing-down mechanism |
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