CN211938628U - Limit switch assembly of punching machine - Google Patents

Abstract

The utility model relates to a limit switch subassembly of piercing press, it is installed at the base and the punching press bench of piercing press, install hydraulic pressure jacking device in the base, the punching press platform is followed vertical direction motion by hydraulic pressure jacking device drive, and the limit switch subassembly includes limit switch frame and limit switch, limit switch frame fixed mounting is in one side of punching press platform, adjustable installation has a plurality of triggers heads in the vertical direction of limit switch frame, the homonymy of base install with a plurality of multiunit limit switch that trigger head matched with, multiunit limit switch electricity is connected to the control system of piercing press. The utility model discloses a limit switch subassembly of piercing press can improve the quality of punching a hole of piercing press, makes the piercing press can be suitable for punching a hole of multiple type panel.

Description

Limit switch assembly of punching machine

Technical Field

The utility model relates to a punching equipment technical field especially relates to a limit switch subassembly of piercing press.

Background

The punching machine is a device for punching holes on plates, generally comprises a punch and a workbench, when punching is carried out, the plates are arranged on the workbench, the punch is driven by a motor or a hydraulic device to approach the plates for punching, a plurality of annular cutters are arranged on the punch, the annular cutters press annular notches on the plates under the pressure provided by the motor or the hydraulic device, so that punching operation is completed, the plates filled with holes can remove circular plates in the annular notches as required, the speed control of the punching machine in the prior art generally simply controls the running speed of the punch through a fixed limit switch, the speed control mode is single, the punching quality is low, the stroke of the punching machine in each stage cannot be adjusted, and the punching machine is not suitable for punching of plates with different thicknesses and different materials.

SUMMERY OF THE UTILITY MODEL

For overcoming the technical defect that prior art exists, the utility model provides a limit switch subassembly of piercing press, its quality of punching a hole that can improve the piercing press makes the piercing press can be suitable for punching a hole of multiple type panel.

The utility model discloses a technical solution be: the limit switch subassembly of piercing press, it is installed at the base and the punching press bench of piercing press, install hydraulic pressure jacking device in the base, the punching press platform is by the motion of hydraulic pressure jacking device drive along vertical direction, and the limit switch subassembly includes limit switch frame and limit switch, limit switch frame fixed mounting is in one side of punching press platform, adjustable the installing has a plurality of heads that trigger in the vertical direction of limit switch frame, the homonymy of base install with a plurality of first matched with multiunit limit switch that trigger, multiunit limit switch electricity is connected to the control system of piercing press.

Preferably, limit switch frame has the switch board of a vertical setting, set up four parallel through grooves of arranging on the switch board, every leads to the inslot and all can adjust and install a trigger head, multiunit limit switch includes four limit switch on the lift route of corresponding trigger head respectively, four limit switch from the right side to left side are die sinking switch in place, once slow limit switch, compound die switch in place, decline buffer switch in proper order, and corresponding trigger head is from a left side to right side and is die sinking trigger head in place, once slow trigger head, compound die trigger head in place, decline buffer trigger head.

Preferably, two reserved through grooves are further formed in the switch board, a reserved trigger head can be installed in each reserved through groove in an adjustable mode, and two reserved switches are installed at corresponding positions of the two reserved through grooves.

Preferably, the die opening in-place switch, the primary slow limiting switch, the die closing in-place switch, the descending buffer switch and the two reserved switches are arranged at the same height through the limiting switch mounting frame.

Preferably, a guide wheel is respectively installed on both sides of the switch board.

Preferably, limit switch adopts mechanical type limit switch, the trigger head adopts adjusting screw, the cladding of adjusting screw outside has the elasticity rubber tube, and adjusting screw passes through the elasticity rubber tube joint and leads to the inslot.

Preferably, the mold opening in-place switch and the descending buffer switch correspond to short through grooves, and the two short through grooves are formed in the upper half part of the switch board.

The beneficial effects of the utility model reside in that:

(1) the utility model discloses a limit switch subassembly of piercing press includes limit switch frame and limit switch, limit switch frame fixed mounting is in one side of punching press platform, adjustable the installing has a plurality of trigger heads in the vertical direction of limit switch frame, the homonymy of base install with a plurality of trigger head matched with multiunit limit switch, when the punching press platform promoted, trigger head on the switch frame can trigger limit switch, and limit switch can transmit the positional information of punching press platform to control system, and control system can come hydraulic lifting machine's functioning speed, direction of motion to adjust according to the position of punching press platform, so can make comparatively careful regulation to the running state of punching press platform to guarantee the quality of punching a hole.

(2) The utility model discloses a be equipped with the logical groove of six parallel arrangements on the limit switch frame, every leads to the inslot all can adjust and install a trigger head, and every triggers head and corresponds a limit switch, and the position that the accessible was adjusted trigger head can be adjusted the variable speed position and the diversion position of punching press platform, also can select the trigger head of suitable quantity as required, limit switch participate in punching a hole of work in order to be suitable for multiple type panel.

Drawings

Fig. 1 is a schematic structural view of a limit switch assembly of the punching machine of the present invention.

Fig. 2 is an assembly schematic diagram of the limit switch assembly of the structure of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of the limit switch bracket of the present invention.

Fig. 5 is an installation schematic diagram of the limit switch of the present invention.

Description of reference numerals: 1. a base; 2. a punching stage; 3. a hydraulic jacking device; 4. a limit switch frame; 41. a switch plate; 42. a limit switch mounting rack; 5. A limit switch; 51. opening the mold to the position switch; 52. a primary slow limit switch; 53. a mold closing in-place switch; 54. a first reservation switch; 55. a second reservation switch; 56. a down buffer switch; 6. a trigger head; 61. opening the die to place the trigger head in place; 62. triggering the head at a low speed for the first time; 63. closing the die to a trigger head in place; 64. a first reserved trigger head; 65. a second reserved trigger head; 66. descending the buffer trigger head; 71. a long through groove; 72. a short through groove; 8. a guide wheel; 9. a control box; 10. a tool mounting bracket; 101. a cutter mounting plate; 102. an elastic buffer layer.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 5, this embodiment provides a limit switch assembly of piercing press, and it is installed on base 1 and the punching press platform 2 of piercing press, installs hydraulic pressure jacking device 3 in base 1 of piercing press of this embodiment, punching press platform 2 is driven by hydraulic pressure jacking device 3 and is followed vertical direction motion, limit switch assembly includes limit switch frame 4 and limit switch 5, limit switch frame 4 fixed mounting is in one side of punching press platform 2, adjustable the installing in the vertical direction of limit switch frame 4 has a plurality of trigger heads 6, the homonymy of base 1 install with a plurality of sets of limit switch 5 of a plurality of trigger head 6 matched with, the control system of a plurality of sets of limit switch 5 electricity connection to the piercing press.

In this embodiment, limit switch frame 4 includes the switch board 41 of a vertical setting, set up six parallel arrangement's logical groove on the switch board 41, every leads to the inslot all adjustable installation and triggers first 6, trigger first 6 joints and be in lead to the inslot, multiunit limit switch 5 includes six limit switch 5 on the lift route of corresponding trigger first 6 respectively, and six limit switch 5 pass through limit switch mounting bracket 42 and install on base 1, just six limit switch 5 are installed on the same height of limit switch mounting bracket 42, and six limit switch 5 are from the right side to the left side in proper order for the die sinking switch 51, once slow speed limit switch 52, the compound die switch 53 that targets in place, first reservation switch 54, second reservation switch 55, decline buffer switch 56, and corresponding trigger head 6 is from a left side to the right in proper order for the die sinking trigger head 61, The system comprises a primary slow trigger head 62, a mold closing in-place trigger head 63, a first reserved trigger head 64, a second reserved trigger head 65 and a descending buffer trigger head 66.

In this embodiment, the through slots corresponding to the primary slow limiting switch 52, the mold closing in-place switch 53, the first reservation switch 54, and the second reservation switch 55 are long through slots 71 to meet the requirement of adjustment in a large range, the mold opening in-place switch 51 and the descending buffer switch 56 are short through slots 72, and the two short through slots 72 are opened in the upper half of the switch board 41. Preferably, the limit switch 5 in this embodiment adopts a mechanical limit switch, the trigger head 6 adopts an adjusting screw, the outer side of the adjusting screw is wrapped with an elastic rubber tube, the adjusting screw is clamped in the through groove through the elastic rubber tube, and in addition, the limit switch 5 in this embodiment can also adopt a photoelectric switch. Preferably, a guide wheel 8 is installed on each side of the switch plate 41, as shown in the figure.

The structure of the plank punching machine of the embodiment is shown in fig. 1, the plank punching machine comprises a control box 9, a base 1, a punching platform 2 and a cutter mounting rack 10 which are arranged from bottom to top in sequence, a hydraulic jacking device 3 is arranged in the base 1, the punching platform 2 is driven by the hydraulic jacking device 3 to move along the vertical direction, the cutter mounting rack 10 is fixedly arranged right above the punching platform 2, the bottom surface of the cutter mounting rack 10 is provided with a cutter mounting plate 101, a plurality of annular cutters are distributed on the cutter mounting plate 101, an elastic buffer layer 102 is attached to the cutter plate, the annular cutters penetrate through the elastic buffer layer 102, and the edge end of the annular cutter is basically flush with the lower surface of the elastic buffer layer 102, the elastic buffer material is deformed under the extrusion of the stamping platform 2, after the punching is finished, the resilient cushioning layer 102 resets and pushes the sheet away, keeping the cut sheet from falling out.

When the limit switch component of the wood board punching machine of the embodiment is used, the limit switch component is installed on the punching machine, as shown in fig. 1, when the punching machine works, the punching table 2 is in an open position, the positions of the trigger heads 6 are shown in the figure, the open position trigger head 61 and the descending buffer trigger head 66 are in a high position, the primary slow trigger head 62 and the mold closing position trigger head 63 are in a low position, the descending buffer trigger head 66 is lower than the open position trigger head 61, the primary slow trigger head 62 is higher than the mold closing position trigger head 63, the open position switch 51 is in a trigger state, a paper board to be punched is placed on the punching table 2, the main switch is opened, the punching table 2 runs upwards under the driving of the hydraulic lifting mechanism, when the board is about to contact with the annular cutter, the primary slow trigger head 62 triggers the primary slow limit switch 52, the primary slow limit switch 52 transmits an electric signal to the control box 9, the control system controls the hydraulic driving mechanism to slowly rise, at the moment, the annular cutter starts to punch the plate, when the stamping platform 2 rises to the mold closing position, the mold closing in-place trigger head 63 triggers the mold closing in-place switch 53, the control system controls the hydraulic driving mechanism to stop rising and maintain the pressure for 1 to 2 seconds, then the control system controls the hydraulic driving mechanism to descend, and in the descending process of the stamping platform 2, the descending buffer trigger head 66 triggers the descending buffer switch 56, the control system controls the hydraulic driving mechanism to descend slowly, when the punching platform 2 descends to the die opening position, the die closing in-place trigger head 63 triggers the die opening in-place switch 51, the control system controls the hydraulic driving mechanism to stop working, so that the punching operation is completed, the above is only one use mode and workflow of the limit switch assembly of the punching machine of the embodiment on one punching machine, and actually, the limit switch assembly of the embodiment can be installed on different punching machines to participate in work according to needs.

The limit switch subassembly accessible of the piercing press of this embodiment is adjusted each trigger the position of head 6 and is adjusted the variable speed position and the diversion position of punching press platform 2, also can select the trigger head 6, the 5 participation works of limit switch of suitable quantity as required, so the utility model discloses a quality of punching a hole can be guaranteed to the plank piercing press, is suitable for punching a hole of multiple type panel simultaneously.

Having shown and described the fundamental principles and the principal features of the invention and its advantages, it will be understood by those skilled in the art that the present invention is not limited by the embodiments described above, which are merely illustrative of the principles of the invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the invention as defined by the appended claims and their equivalents.

Claims (7)

1. The limit switch subassembly of piercing press, it is installed at the base and the punching press bench of piercing press, install hydraulic pressure jacking device in the base, the punching press platform is driven by hydraulic pressure jacking device and is followed vertical direction motion, its characterized in that: including limit switch frame and limit switch, limit switch frame fixed mounting is in one side of punching press platform, but the adjustable a plurality of trigger heads of installing in the vertical direction of limit switch frame, the homonymy of base install with a plurality of trigger head matched with multiunit limit switch, multiunit limit switch electricity is connected to the control system of piercing press.

2. The limit switch assembly of a punching machine according to claim 1, wherein: limit switch frame has the switch board of a vertical setting, set up four parallel logical grooves of arranging on the switch board, every leads to the inslot and all can adjust and install a trigger head, multiunit limit switch includes four limit switch on the lift route of corresponding trigger head respectively, four limit switch from the right side to a left side are die sinking switch in place, once slow limit switch, compound die switch in place, decline buffer switch in proper order, and corresponding trigger head is from a left side to a right side in proper order for the die sinking to in place trigger head, once slow trigger head, compound die trigger head, decline buffer trigger head.

3. The limit switch assembly of a punching machine according to claim 2, wherein: still seted up two on the switch board and reserved logical groove, every is reserved logical inslot and all can be adjusted to install one and is reserved the trigger head, installs two reservation switches on the relevant position that two were reserved logical grooves.

4. The limit switch assembly of a punching machine according to claim 3, wherein: the die opening in-place switch, the primary slow limiting switch, the die closing in-place switch, the descending buffer switch and the two reserved switches are arranged at the same height through the limiting switch mounting frame.

5. The limit switch assembly of a punching machine according to claim 2, wherein: and two guide wheels are respectively arranged on two sides of the switch board.

6. The limit switch assembly of a punching machine according to claim 2, wherein: limit switch adopts mechanical type limit switch, trigger the head and adopt adjusting screw, the cladding of the adjusting screw outside has elastic rubber tube, and adjusting screw passes through elastic rubber tube joint at logical inslot.

7. The limit switch assembly of a punching machine according to claim 2, wherein: the mold opening in-place switch and the descending buffer switch correspond to short through grooves, and the two short through grooves are formed in the upper half part of the switch board.

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