CN217166109U - Adjustable stamping equipment - Google Patents

Abstract

The application relates to adjustable stamping equipment, and relates to the technical field of stamping; the stamping device comprises a base, and a die, a stamping plate and a stamping assembly which are arranged on the base, wherein the stamping assembly is used for driving the stamping plate to move towards a direction close to or far away from the die; the stamping die is characterized by further comprising a stripper plate, wherein a abdicating hole for a die to be inserted in a penetrating manner is formed in the middle of the stripper plate in a penetrating manner, the stripper plate is connected to the periphery of the die in a sliding manner, and the sliding direction of the stripper plate is parallel to the moving direction of the die when the die moves under the driving of the stamping assembly; the device also comprises a sliding piece for driving the stripper plate to slide; this application has after accomplishing the punching press, realizes unloading to the convenience of shaping part, prescribes a limit to the punching press board through pressure sensor and time-recorder simultaneously and to the stamping strength of panel, reduces the condition that the panel produced the fracture because of being excessively punched press appearing.

Description

Adjustable stamping equipment

Technical Field

The application relates to the technical field of stamping, in particular to adjustable stamping equipment

Background

The punching equipment is a forming processing equipment which applies external force to plates, strips, sections and the like by a press and a die to cause the plates, strips, sections and the like to be plastically deformed or separated so as to obtain workpieces with required shapes and sizes.

The Chinese patent with the related publication number of CN211027795U discloses a metal stamping forming device, which comprises a die shell, wherein a supporting table is arranged in the die shell, a die is arranged on the supporting table, a supporting frame is further arranged on the outer surface of the die shell, a sliding rod is arranged on the supporting frame, the sliding rod is connected with sliding sleeves in a sliding manner, two sliding sleeves are oppositely and commonly connected with a pressing block, the pressing block is positioned right above the die, a second electric push rod is arranged at the top of the supporting frame, and the bottom end of the second electric push rod is fixedly connected with the top of the pressing block; when processing, will wait to process the material and place the mould upper surface, then start second electric putter and drive the clamp plate suppression in waiting to process the material upper surface, because the mould is protruding form, consequently at the clamp plate in-process of pushing down, wait to process the material and the position that the mould contacted will be pressed the deformation and sunken towards the direction of keeping away from the mould, finally form the shaping part of cover form, accomplish the punching press.

In view of the above-mentioned related technologies, the inventor found that the formed part after stamping is reversely buckled on a mold, so that it is inconvenient for an operator to separate the formed part from the mold, and the unloading and subsequent processing efficiency is affected.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem that the unloading and subsequent processing efficiency is low due to the fact that a formed part after stamping is inconvenient to separate from a die in the related art, the application provides adjustable stamping equipment.

The application provides a stamping equipment with adjustable adopts following technical scheme:

an adjustable stamping device comprises a base, a die, a stamping plate and a stamping assembly, wherein the die, the stamping plate and the stamping assembly are arranged on the base, the stamping assembly is used for driving the stamping plate to move towards a direction close to or far away from the die, and a butt joint groove for the die to be inserted is preset in the side wall of the stamping plate facing the die; the stamping die is characterized by further comprising a stripper plate, wherein a abdicating hole for a die to be inserted in a penetrating manner is formed in the middle of the stripper plate in a penetrating manner, the stripper plate is connected to the periphery of the die in a sliding manner, and the sliding direction of the stripper plate is parallel to the moving direction of the die when the die moves under the driving of the stamping assembly; the device also comprises a sliding piece for driving the stripper plate to slide.

Through adopting above-mentioned technical scheme, during initial condition, the stripper upper surface flushes with the mould upper surface mutually, the panel of waiting the punching press is placed on stripper and mould, then drive the punching press board through the punching press subassembly and push down, when the stripper contacts the panel of waiting the punching press, make the stripper move down through the sliding component, the position that panel and stripper contacted moves down along with the stripper, the position that panel and mould contacted is located the mould all the time, panel will be deformed by the punching press under the extrusion of mould and butt joint inslot wall and form the cover form shaping part, final back-off is on the mould, it shifts up to the pressure of unloading to drive the punching press board when the punching press subassembly, the punching press board releases, move to initial condition on driving the stripper through the sliding component this moment, the shaping part breaks away from the mould under the drive of stripper, realize convenient unloading.

Preferably, the stamping assembly comprises a screw rod, a guide rod and a motor, the screw rod and the guide rod penetrate through the side wall of the stamping plate, the screw rod is in threaded connection with the stamping plate, and the driving end of the motor is connected to the end part of the screw rod to drive the screw rod to rotate;

the pressure sensor is embedded in the top wall of the butt joint groove and electrically connected with the controller, the controller is electrically connected with the motor to control the opening, closing and steering of the motor, the pressure sensor is used for detecting reverse pressure applied to the punching plate when the plate to be punched is extruded by the punching plate and the die and transmitting the reverse pressure data to the controller, and the controller is used for closing the motor when the received reverse pressure data reaches a preset pressure threshold value.

Through adopting above-mentioned technical scheme, control the punching press board through setting up pressure sensor to the stamping strength of panel, reduce to appear treating that the panel of punching press receives the extrusion strength of punching press board and mould great and lead to treating the panel of punching press by extrusion crackle, and then influence product quality's the condition.

Preferably, the controller is further electrically connected to a timer, and is further configured to close the motor and start the timer to time when the received reverse pressure data reaches a preset pressure threshold, and the controller is further configured to control the timer to be cleared and close the timer when a timing duration corresponding to the timer reaches the preset duration, and simultaneously start the motor to drive the stamping plate to move in a direction away from the die.

Through adopting above-mentioned technical scheme, after the punching press board removed appointed punching press position, the controller will control the punching press board through the time-recorder and stew for predetermineeing time length to treat the punching press shape of punching press panel and fix moulding, optimize the moulding effect of punching press to the shaping part.

Preferably, the side wall of each side of the discharging plate is rotatably connected with a limiting rod, the discharging plate is further provided with a rotating assembly, and the rotating assembly is used for driving the limiting rod to rotate so that the side wall of the limiting rod is separated from or attached to the side wall of the plate to be punched.

Through adopting above-mentioned technical scheme, after the panel of treating the punching press is placed on stripper and mould, drive the gag lever post through spacing subassembly and rotate to make the gag lever post rotate to laminating in treating the punching press panel lateral wall, play limiting displacement in order to treat punching press panel, reduce the appearance and treat punching press panel and by the circumstances of mould upper surface skew in stamping process.

Preferably, the rotating assembly comprises connecting rods and locking inserted rods which are arranged in one-to-one correspondence with the connecting rods, the limiting rods positioned on two sides of the discharging plate correspond to one connecting rod, the limiting rods positioned on two ends of the discharging plate correspond to one connecting rod, and the limiting rods are fixedly connected to the corresponding connecting rods; the locking inserted bar slides and connects on the stripper, the connecting rod lateral wall is seted up and is supplied the locking inserted bar to insert the locking jack of establishing.

Through adopting above-mentioned technical scheme, through rotating the connecting rod, can be so that all gag lever posts that are located the stripper both sides or all gag lever posts that are located the stripper both ends use the connecting rod to rotate as the center in the lump, through inserting the locking inserted bar in the locking jack that corresponds the position to the realization is fixed to connecting rod rotational position, and then realizes fixing gag lever post rotational position.

Preferably, the limiting rod comprises a vertical rod vertically arranged at the end part of the corresponding connecting rod and a cross rod vertically arranged at the end part of the vertical rod; the cross rod is positioned at the periphery of the stamping plate, and the side wall of the cross rod is attached to the side wall at the edge of the plate to be stamped; the side wall of the vertical rod is provided with a sliding hole for the cross rod to run through and slide, the end part of the vertical rod is in threaded connection with a limiting bolt, and the side wall of the cross rod is provided with a plurality of through holes for the limiting bolt to run through and be inserted in along the length direction of the side wall of the cross rod.

Through adopting above-mentioned technical scheme, when treating that punching press panel size is less than the stripper size, treat punching press panel circumference limit wall promptly and do not flush with stripper circumference limit wall, can adapt to not unidimensional punching press panel of treating through following the horizontal pole that slides of slide opening length direction this moment to make the horizontal pole lateral wall laminate in treating punching press panel lateral wall, guarantee the connecting rod and treat punching press panel's spacing effect.

Preferably, each cross rod side wall is embedded with a wear-resistant pad, and the wear-resistant pad is attached to the side wall of the plate to be punched.

Through adopting above-mentioned technical scheme, wearing and tearing that the horizontal pole can be reduced with treating the punching press panel lateral wall in wear-resisting pad's setting plays the protection and treats the effect of punching press panel.

Preferably, each side wall of the vertical rod is provided with a butt joint hole into which a corresponding limit bolt is inserted, a photoelectric switch is embedded in the inner wall of each butt joint hole, the photoelectric switch is electrically connected to the controller, the photoelectric switch is used for detecting whether the limit bolt is inserted into the butt joint hole or not, and transmitting a photoelectric signal to the controller after the photoelectric switch detects that the limit bolt is inserted into the butt joint hole, and the controller is also used for controlling the motor to be started to drive the punching plate to punch the plate to be punched after receiving the photoelectric signals sent by all the photoelectric switches; the controller is also used for controlling the photoelectric switch to be started after the specified time of pause when the timing duration of the timer reaches the preset time duration.

Through adopting above-mentioned technical scheme, after all spacing bolts all inserted the butt joint hole, explain treat that the punching press panel has been placed on mould and stripper to spacing has been realized through the gag lever post, can drive the punching press board and carry out the punching press to panel this moment, after the punching press board was accomplished the punching press, the controller will be controlled photoelectric switch and pause restart after appointed length of time, the shaping part of completion punching press can be taken off to above-mentioned appointed length of time supply operating personnel, and change the panel of follow-up treating the punching press, realize automatic punching press.

Preferably, the sliding part comprises a plurality of supporting springs and guiding telescopic pipes which are arranged in a one-to-one correspondence manner with the supporting springs, the supporting springs penetrate through the corresponding guiding telescopic pipes, the telescopic direction of the guiding telescopic pipes is parallel to the telescopic direction of the supporting springs, the upper ends of the guiding telescopic pipes are connected to the lower surface of the discharging plate, and the lower ends of the guiding telescopic pipes are connected to the upper surface of the base.

Through adopting above-mentioned technical scheme, supporting spring's setting can play the supporting role to the stripper when not influencing the stripper and slide, and the flexible orientation of supporting spring has been restricted in the setting of the flexible pipe of direction for the stripper slides along the direction that is on a parallel with punching press board moving direction all the time, makes the mould be located the downthehole portion of stepping down all the time, or is located the extension line of the hole length direction of stepping down.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the stamping strength of the stamping plate to the plate is controlled by arranging the pressure sensor, so that the condition that the plate to be stamped is extruded to be cracked due to the fact that the plate to be stamped is extruded by the stamping plate and a die to be high in extrusion strength, and further the product quality is influenced is reduced;

2. after the stamping plate moves to the appointed stamping position, the controller controls the stamping plate to stand for a preset time length through the timer so as to fix and shape the stamping shape of the plate to be stamped, and the stamping and shaping effects of the formed part are optimized.

Drawings

Fig. 1 is a schematic structural diagram of an adjustable punching apparatus according to an embodiment.

Fig. 2 is a sectional view for showing a positional relationship between the mating groove and the mold in the embodiment.

FIG. 3 is a block diagram of an adjustable punching apparatus according to an embodiment.

Fig. 4 is a sectional view for showing a positional relationship between the link and the stopper rod in the embodiment.

Fig. 5 is an enlarged schematic view of the structure of part a in fig. 4.

Description of reference numerals: 1. a base; 11. a mold; 12. stamping a plate; 121. a butt joint groove; 13. a stamping assembly; 131. a screw rod; 132. a guide bar; 133. a motor; 14. a stripper plate; 141. a hole of abdication; 142. a rotating assembly; 1421. a connecting rod; 1422. a locking inserted link; 1423. locking the jack; 143. a limiting rod; 1431. a vertical rod; 1432. a cross bar; 1433. a slide hole; 1434. a limit bolt; 1435. A butt joint hole; 1436. a wear pad; 1437. a through hole; 15. a sliding member; 151. a support spring; 152. guiding the telescopic pipe; 2. a controller; 21. a pressure sensor; 22. a timer; 23. a photoelectric switch.

Detailed Description

The present application is described in further detail below with reference to figures 1-5.

The embodiment of the application discloses stamping equipment with adjustable. Referring to fig. 1 and 2, the adjustable stamping apparatus includes a base 1, a die 11 detachably connected to the base 1 through a bolt, a stamping plate 12 located above the die 11, and a stamping assembly 13 for driving the stamping plate 12 to press on the die 11, wherein a docking slot 121 for the die 11 to be inserted into is formed in a side wall of the stamping plate 12 facing the die 11; the periphery of the stamping plate 12 is also sleeved with a discharging plate 14, and the middle part of the discharging plate 14 is provided with a abdicating hole 141 for the die 11 to be inserted through; a sliding piece 15 is connected between the stripper plate 14 and the base 1, and the sliding piece 15 is used for supporting the stripper plate 14 and driving the stripper plate 14 to slide along the height direction of the die 11; during initial state, 14 upper surfaces of stripper and 11 upper surfaces of mould flush mutually, when needs punching press, the panel of waiting the punching press is laid in mould 11 and 14 upper surfaces of stripper, then drive punching press board 12 through punching press subassembly 13 and remove towards the direction that is close to mould 11, so that mould 11 upper end inserts in butt joint groove 121, the board of waiting the punching press that is located 11 upper surfaces of mould this moment will be stamped into the shaping part under the clamp of mould 11 roof and butt joint inslot 121 inner wall, and simultaneously, slide 15 drives stripper 14 and removes towards the direction of keeping away from punching press board 12, after accomplishing the punching press, punching press board 12 removes towards the direction of keeping away from mould 11 under punching press subassembly 13's drive, slide 15 drives stripper 14 and removes towards the direction that is close to punching press board 12, in order to lift up shaping part from mould 11, realize the convenient taking of shaping part.

Referring to fig. 1 and 2, the stamping assembly 13 includes a screw rod 131, a guide rod 132 and a motor 133, the screw rod 131 is rotatably connected to the upper surface of the base 1, the guide rod 132 is vertically welded to the upper surface of the base 1, both the screw rod 131 and the guide rod 132 penetrate through the stamping plate 12, the screw rod 131 is in threaded connection with the stamping plate 12, the stamping plate 12 is movably sleeved on the guide rod 132, the motor 133 is fixedly mounted on a frame above the base 1 through bolts, and a driving end of the motor 133 is fixedly connected to the upper end of the screw rod 131; thereby drive lead screw 131 through motor 133 and rotate and drive punching press board 12 towards the direction lift removal that is close to or keeps away from mould 11, in addition, punching press subassembly 13 also can be the pneumatic cylinder, links to each other with punching press board 12 upper surface through with electric telescopic handle drive end to realize that electric telescopic handle drive end and punching press board 12 upper surface link to each other, thereby control the lift of punching press board 12 through electric telescopic handle's flexible.

Referring to fig. 2 and 3, a pressure sensor 21 is embedded in the top wall of the interior of the docking slot 121, the pressure sensor 21 is electrically connected to a controller 2, the controller 2 may be a PLC controller, the controller 2 is electrically connected to the motor 133 for controlling the on/off of the motor 133 and the rotation of the driving shaft of the motor 133, and the controller 2 is further electrically connected to a timer 22; the pressure sensor 21 is configured to detect a reverse pressure applied to the plate to be stamped when the inner wall of the docking slot 121 contacts the plate to be stamped, that is, the die 11 is inserted into the docking slot 121, the plate to be stamped is stamped from the inner wall of the stamping plate 12 and the docking slot 121, and then the reverse pressure is applied to the stamping plate 12, the pressure sensor 21 transmits the reverse pressure data to the controller 2, the controller 2 is configured to close the motor 133 when the received reverse pressure data reaches a preset pressure threshold, start the timer 22 to start timing, control the timer 22 to zero when a timing duration of the timer 22 is equal to a preset duration, close the timer 22, and restart the motor 133 to drive the stamping plate 12 to move in a direction away from the die 11.

Referring to fig. 4, the sliding member 15 includes a plurality of support springs 151 and guide extension tubes 152 disposed corresponding to each support spring 151 one by one, the support springs 151 are inserted into the guide extension tubes 152, the extension direction of the support springs 151 is parallel to the extension direction of the guide extension tubes 152, two ends of the guide extension tubes 152 are sealed, one end of each guide extension tube 152 is welded to the upper surface of the base 1, and the other end is welded to the lower surface of the discharging plate 14.

Referring to fig. 1, 4 and 5, the discharging plate 14 is provided with a rotating assembly 142, the rotating assembly 142 includes connecting rods 1421 and locking inserting rods 1422 arranged in one-to-one correspondence with the connecting rods 1421, in this embodiment, the number of the connecting rods 1421 is 2, the length direction of the connecting rods 1421 is parallel to the length direction of the discharging plate 14, the connecting rods 1421 are rotatably connected in the discharging plate 14, and two ends of the connecting rods 1421 penetrate through the discharging plate 14; the locking inserted bar 1422 slides and connects in the 14 lateral walls of stripper, and the locking inserted bar 1422 sliding direction is on a parallel with the length direction of the corresponding connecting rod 1421, and the locking jack 1423 that supplies the locking inserted bar 1422 to insert and establish is seted up to the connecting rod 1421 lateral wall, and two locking jacks 1423 have all been seted up to each connecting rod 1421 lateral wall correspondence, and the locking inserted bar 1422 is used for fixed connecting rod 1421's rotational position.

Referring to fig. 4 and 5, each end of the connecting rod 1421 is provided with a limiting rod 143, the limiting rod 143 includes a vertical rod 1431 vertically integrated with the end wall of the connecting rod 1421 and a horizontal rod 1432 vertically disposed at the end of the vertical rod 1431, a side wall of the vertical rod 1431 is provided with a sliding hole 1433 through which the horizontal rod 1432 is inserted, a length direction of the sliding hole 1433 is parallel to a length direction of the connecting rod 1421, the end wall of the vertical rod 1431 is connected with a limiting bolt 1434 through a thread, a plurality of through holes 1437 are uniformly formed in a side wall of the horizontal rod 1432 along a length direction of the horizontal rod 1432, a butt hole 1435 through which the screw part of the limiting bolt 1434 is inserted is formed inside the vertical rod 1431, the limiting bolt 1434 is provided with any through hole 1437 and inserted into the corresponding butt hole 1435, so as to fix a sliding position of the horizontal rod 1432.

Referring to fig. 3, 4 and 5, the cross bar 1432 is always located at the periphery of the punching plate 12, a wear pad 1436 is embedded in a side wall of the cross bar 1432 away from the vertical bar 1431, the wear pad 1436 may be made of rubber, and a side wall of the wear pad 1436 is attached to a side wall of a plate to be punched; a photoelectric switch 23 is further embedded in each connection hole 1435, the photoelectric switch 23 may be a correlation type photoelectric switch, the photoelectric switch 23 is electrically connected to the controller 2, the photoelectric switch 23 is configured to detect whether the limit bolt 1434 is inserted into the connection hole 1435, the photoelectric switch 23 is configured to, after the limit bolt 1434 is inserted into the connection hole 1435, the opto-electrical signal is sent to the controller 2, the controller 2 is configured to, after receiving the opto-electrical signals of all the opto-electrical switches 23, the control motor 133 is activated to move the punching plate 12 in a direction close to the die 11, to realize punching, the controller 2 is further configured to control the photoelectric switch 23 to restart the photoelectric switch 23 after the time duration counted by the timer 22 reaches a preset time duration and then pause for a specified time duration, during the pause of the photoelectric switch 23, the operator can take off the formed part after the punching and replace the formed part with the plate to be punched subsequently.

The implementation principle of stamping equipment with adjustable this application embodiment does: a plate to be punched is placed on the die 11 and the stripper plate 14, then the connecting rod 1421 is rotated, the cross rod 1432 is slid to the position where the side wall is attached to the side wall of the plate to be punched, and the rotating position of the connecting rod 1421 and the sliding position of the cross rod 1432 are fixed; when the end parts of all the locking bolts are inserted into the docking holes 1435, the controller 2 receives photoelectric signals sent by all the photoelectric switches 23, at this time, the controller 2 starts the motor 133 to drive the stamping plate 12 to move towards the direction close to the die 11, in the process, the die 11 is inserted into the docking slot 121, the stamping plate to be stamped is deformed by being extruded by the die 11 and the inner wall of the docking slot 121, when the pressure data received by the pressure sensor 21 reaches the preset pressure threshold value, the controller 2 stops the motor 133 and starts the timer 22 to start timing, at this time, the stamping plate 12 stands still, the deformed stamping plate finally forms a formed part, the formed part is reversely buckled on the die 11, when the timing duration of the timer 22 reaches the preset duration, the controller 2 clears the timer 22 and closes the timer 22, and at the same time, the motor 133 is restarted to drive the stamping plate 12 to move towards the direction away from the die 11, with the upward movement of the punching plate 12, the sliding member 15 will drive the discharging plate 14 to move upward to the initial state, and with the upward movement and return of the discharging plate 14, the formed part which is completed with punching will be separated from the die 11 under the drive of the discharging plate 14, so that the operator can take out the formed part.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides a stamping equipment with adjustable, includes base (1) to and set up mould (11), punching press board (12) and punching press subassembly (13) on base (1), punching press subassembly (13) are used for driving punching press board (12) and move towards the direction that is close to or keeps away from mould (11), punching press board (12) have in advance towards the lateral wall of mould (11) department and supply mould (11) to insert butt joint groove (121) of establishing, its characterized in that: the stamping die is characterized by further comprising a discharging plate (14), wherein a yielding hole (141) for the die (11) to penetrate and insert is formed in the middle of the discharging plate (14), the discharging plate (14) is connected to the periphery of the die (11) in a sliding mode, and the sliding direction of the discharging plate (14) is parallel to the moving direction of the die (11) when the die (11) moves under the driving of the stamping assembly (13); the device also comprises a sliding piece (15) for driving the stripper plate (14) to slide.

2. Adjustable punching apparatus according to claim 1, characterized in that: the stamping assembly (13) comprises a screw rod (131), a guide rod (132) and a motor (133), the screw rod (131) and the guide rod (132) penetrate through the side wall of the stamping plate (12), the screw rod (131) is in threaded connection with the stamping plate (12), and the driving end of the motor (133) is connected to the end part of the screw rod (131) so as to drive the screw rod (131) to rotate;

the punching die is characterized in that a pressure sensor (21) is embedded in the top wall of the interior of the butt joint groove (121), the pressure sensor (21) is electrically connected with a controller (2), the controller (2) is electrically connected with a motor (133) to control the opening, closing and steering of the motor (133), the pressure sensor (21) is used for detecting reverse pressure applied to the punching plate (12) when a plate to be punched is extruded by the punching plate (12) and the die (11), and transmitting the reverse pressure data to the controller (2), and the controller (2) is used for closing the motor (133) when the received reverse pressure data reach a preset pressure threshold value.

3. The adjustable stamping apparatus as defined in claim 2, wherein: the controller (2) is further electrically connected with a timer (22), the controller (2) is further used for closing the motor (133) and starting the timer (22) to time when the received reverse pressure data reaches a preset pressure threshold value, the controller (2) is further used for controlling the timer (22) to be cleared and closing the timer (22) when the corresponding timing duration of the timer (22) reaches the preset duration, and meanwhile the motor (133) is started to drive the stamping plate (12) to move towards the direction far away from the die (11).

4. Adjustable punching apparatus according to claim 3, characterized in that: the side wall of each side of the discharging plate (14) is rotatably connected with a limiting rod (143), the discharging plate (14) is further provided with a rotating assembly (142), and the rotating assembly (142) is used for driving the limiting rods (143) to rotate, so that the side wall of each limiting rod (143) is separated from or attached to the side wall of a plate to be punched.

5. The adjustable stamping apparatus of claim 4, wherein: the rotating assembly (142) comprises connecting rods (1421) and locking inserting rods (1422) which are arranged in one-to-one correspondence with the connecting rods (1421), the limiting rods (143) positioned at two sides of the stripper plate (14) correspond to one connecting rod (1421), the limiting rods (143) positioned at two ends of the stripper plate (14) correspond to one connecting rod (1421), and the limiting rods (143) are fixedly connected to the corresponding connecting rods (1421); the locking inserted bar (1422) is connected on the stripper plate (14) in a sliding manner, and the side wall of the connecting rod (1421) is provided with a locking jack (1423) for the locking inserted bar (1422) to insert.

6. The adjustable stamping apparatus of claim 5, wherein: the limiting rod (143) comprises a vertical rod (1431) vertically arranged at the end part of the corresponding connecting rod (1421) and a cross rod (1432) vertically arranged at the end part of the vertical rod (1431); the cross bar (1432) is positioned at the periphery of the punching plate (12), and the side wall of the cross bar (1432) is attached to the side wall at the edge of a plate to be punched; the side wall of the vertical rod (1431) is provided with a sliding hole (1433) through which the cross rod (1432) can penetrate and slide, the end part of the vertical rod (1431) is in threaded connection with a limiting bolt (1434), and the side wall of the cross rod (1432) is provided with a plurality of through holes (1437) through which the limiting bolt (1434) can penetrate and be inserted.

7. The adjustable stamping apparatus as defined in claim 6, wherein: each cross rod (1432) side wall is embedded with a wear-resistant pad (1436), and the wear-resistant pad (1436) is attached to the side wall of a plate to be punched.

8. The adjustable stamping apparatus of claim 7, wherein: each side wall of each vertical rod (1431) is provided with a butt joint hole (1435) for inserting a corresponding limit bolt (1434), a photoelectric switch (23) is embedded in the inner wall of each butt joint hole (1435), the photoelectric switch (23) is electrically connected to the controller (2), the photoelectric switch (23) is used for detecting whether the limit bolt (1434) is inserted into the butt joint hole (1435), and transmitting a photoelectric signal to the controller (2) after the photoelectric switch (23) detects that the limit bolt (1434) is inserted into the butt joint hole (1435), and the controller (2) is further used for controlling the motor (133) to be started to drive the stamping plate (12) to stamp a plate to be stamped after receiving the photoelectric signals sent by all the photoelectric switches (23); the controller (2) is also used for controlling the photoelectric switch (23) to be started after the specified time length is paused when the timing time length of the timer (22) reaches the preset time length.

9. Adjustable punching apparatus according to claim 1, characterized in that: slide (15) include a plurality of supporting spring (151) to and the flexible pipe (152) of direction that sets up with supporting spring (151) one-to-one, inside supporting spring (151) run through to insert and locate the flexible pipe (152) of direction that corresponds, the flexible pipe (152) direction of direction is on a parallel with supporting spring (151) direction of stretching out and drawing back, the flexible pipe (152) upper end of direction is connected in stripper (14) lower surface, the flexible pipe (152) lower extreme of direction all is connected in base (1) upper surface.

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