CN210907657U - A punching machine with automatic continuous punching function - Google Patents

Abstract

The utility model discloses a punching machine with automatic continuous punching function, which belongs to the technical field of punching punching machines. , the upper end of the frame is also provided with a driving mechanism capable of driving the punch to slide downward, a horizontally arranged workbench is fixedly connected to the bottom of the frame corresponding to the punch, and the bottom of the frame corresponding to the workbench is along its length direction A rack is fixedly connected, the upper side of the worktable is slidingly connected with a bearing plate along its length direction, the bearing plate is rotatably connected with a missing gear engaged with the rack, and one end of the missing gear shaft is fixed with a driving missing gear A rotating servo motor, the holding plate is provided with a clamping component for clamping the plate. The utility model realizes the effect of reducing the labor intensity of workers by automatically punching the plate at a constant distance.

Description

A punching machine with automatic continuous punching function

technical field

The utility model relates to the technical field of punching by punching machines, in particular to a punching machine with automatic continuous punching function.

Background technique

The punching machine drives the flywheel through the motor, and drives the crank connecting rod mechanism through the clutch and transmission gear to move the slider up and down, and drives the drawing die to form the steel plate. The working principle is generally that the mold drives the upper mold and the lower mold to open and close under the action of the stamping power, and the raw materials between them are cut, punched, stretched, etc. to form a stamping part.

The existing Chinese utility model patent with patent application number CN201821399370.7 is disclosed, which discloses a plate punching machine, which relates to the technical field of plate processing, and includes a workbench, the workbench includes a lower substrate and an upper substrate, and the lower substrate The support rod is fixedly connected with the upper base plate, the hydraulic rod is fixedly connected below the upper base plate, and the lower die base and the lower die are fixedly connected above the lower base plate. The above-mentioned utility model has a simple structure and convenient operation. The cooperating movement of the machine can realize the molding of the product. By setting the cam drive structure and the ejector rod, the separation of the product and the punch can be realized, which is convenient for workers to take the parts, improves the work efficiency and facilitates maintenance.

However, the above-mentioned prior art solutions have the following defects: when punching the plate, workers are required to push the workpiece to the punching position first, and then the workpiece is punched with the cooperating movement of the concave die and the punch, but when a fixed distance is required When punching holes for many times in a row, the worker needs to push the workpiece to move many times, thereby increasing the labor intensity of the worker.

Utility model content

The purpose of the utility model is to provide a punching machine with the function of automatic continuous punching, which achieves the beneficial effect of automatically punching the plate at a constant distance and thereby reducing the labor intensity of workers.

The above-mentioned purpose of the present invention is achieved through the following technical solutions:

A punching machine with automatic continuous punching function includes a vertically arranged frame, the upper end of the frame is slid with a vertically arranged punch, and the upper end of the frame is also provided with a punch capable of driving the punch to slide down The drive assembly, a horizontally arranged workbench is fixed below the frame corresponding to the punch, a rack is fixed along the length direction below the frame corresponding to the workbench, and the upper side of the workbench is along its length. There is a bearing plate connected to the direction sliding, the bearing plate is rotatably connected with a missing gear meshed with the rack, one end of the missing gear shaft is fixed with a servo motor that drives the missing gear to rotate, and the bearing plate is provided with a clamping plate clamping components.

By adopting the above technical solution, the plate is first placed on the receiving plate, the plate is clamped by the clamping component, and then the servo motor is turned on, and the servo motor drives the missing gear to rotate. When the missing gear teeth rotate to the state of meshing with the rack At this time, the receiving plate can be driven to slide on the table along the length direction of the table, and the plate can be driven to move forward. The head moves downward to punch the steel plate. As the missing gear teeth continue to rotate to the state of meshing with the rack, the receiving plate continues to slide on the worktable, thereby driving the plate to continue to move forward, and then the punch The plate can be punched for the next time, and the effect of continuous punching of the plate can be achieved by the movement of the missing gear on the rack.

The utility model is further configured as follows: both sides of the working table are provided with a T-shaped chute along its length direction, and both sides of the receiving plate are fixedly connected to the positions corresponding to the chute, which can be slidably connected to the Slider inside the chute.

By adopting the above technical solution, the matching of the sliding bar and the sliding groove can prevent the positional deviation of the receiving plate during the sliding process.

The utility model is further configured as follows: the clamping assembly includes limit plates arranged at both ends of the receiving plate, a pair of wire screws are rotatably connected inside the receiving plate, the axis direction of the pair of wire screws is parallel to the length direction of the receiving plate, and the two The lower ends of the limiting plates are respectively threadedly connected to opposite thread segments at both ends of the paired wire screw, and one end of the paired wire screw is also fixedly connected with a driving mechanism for driving the paired wire screw to rotate.

By adopting the above technical solution, the driving mechanism can drive the thread-aligning screw to rotate along its axis direction, so as to drive the two limit plates to move in the direction of approaching, thereby realizing the adjustment of the distance between the two limit plates, thereby enabling the two limit plates to move toward each other. Plates of different lengths can be clamped between the plates.

The utility model is further configured as follows: the driving mechanism comprises a worm wheel fixed to one end of the thread-aligning screw rod, and one end of the receiving plate is fixed to a worm that can be engaged with the worm wheel.

By adopting the above technical solution, the rotating worm can drive the worm wheel to rotate, thereby driving the worm wheel to rotate, thereby driving the thread-pairing screw to rotate, and the cooperation between the worm wheel and the worm has self-locking properties.

The utility model is further configured as follows: a clamping groove is respectively provided on the side of the two limiting plates that are close to each other, and a horizontally arranged pressure plate is vertically slidingly connected in the two clamping grooves, and the two limiting plates The upper sides are respectively connected with a vertically arranged jacking bolt, and the lower ends of the two jacking bolts can respectively extend into the corresponding clamping grooves and are rotatably connected to the upper sides of the pressing plates.

By adopting the above technical solution, after the limiting plate clamps the two ends of the plate, the two tightening bolts are turned downward, so that the lower sides of the two pressure plates can be in close contact with the upper sides of the two ends of the plate. The top bolt is suitable for pressing plates of different thicknesses.

The utility model is further arranged as follows: one side of the two clamping grooves that are close to each other is provided with a sliding groove with a T-shaped longitudinal section along the length direction perpendicular to the length of the limiting plate, and two ends of the two pressing plates are respectively fixed with a sliding groove. The sliding bars in the corresponding sliding grooves can be slidably connected.

By adopting the above technical solution, the cooperation between the sliding bar and the sliding groove can prevent the positional deviation of the pressing plate during the sliding process in the through groove.

The utility model is further configured as follows: a vertical groove arranged along the length direction of the receiving plate is vertically opened below the corresponding punch on the upper side of the receiving plate, and a vertical sliding connection in the vertical groove is arranged along the length direction of the vertical groove. A buffer plate, a plurality of buffer springs that can push the upper side of the buffer plate to be flush with the upper side of the receiving plate under normal conditions are vertically arranged between the buffer plate and the vertical slot.

By adopting the above technical solution, when the punch moves downward to punch the plate, the buffer plate slides down along the vertical groove due to the instantaneous impact force of the punch, and the buffer spring is compressed at this time, so that the impact of the punch is instantaneous. After the punching is completed, as the buffer spring returns to the normal state, it can push the buffer plate to move upward so that the upper side of the buffer plate can be flush with the upper side of the receiving plate.

To sum up, the beneficial technical effects of the present utility model are:

1. By adopting the above technical solutions, first place the plate on the receiving plate, clamp the plate through the clamping component, then turn on the servo motor, the servo motor drives the missing gear to rotate, and when the missing gear teeth rotate to mesh with the rack In this state, the receiving plate can be driven to slide on the table along the length direction of the table, and the plate can be driven to move forward. When the driving mechanism drives the punch down, the steel plate is punched. As the missing gear teeth continue to rotate to the state of meshing with the rack, the receiving plate continues to slide on the worktable, thereby driving the plate to continue to move forward. Then the punch can punch the plate next time, and the effect of continuous punching of the plate can be achieved by the movement of the missing gear on the rack;

2. By being provided with a clamping assembly, the driving mechanism can drive the aligning screw to rotate along its axis direction, so as to drive the two limit plates to move in the direction of approaching and away from each other, so as to realize the adjustment of the distance between the two limit plates, and then It can clamp plates of different widths between the two limit plates;

3. By setting the pressure plate, after the two limit plates clamp the plate, turn the two top bolts downward, so that the lower side of the pressure plate can be closely contacted with the upper side of the plate, so that it can be applied by adjusting the top bolts. For pressing plates of different thicknesses.

Description of drawings

Fig. 1 is the schematic diagram of the overall structure of this embodiment;

Fig. 2 is the schematic diagram of missing gear structure in the present embodiment;

3 is a schematic diagram of the structure of the limiting plate in this embodiment;

Fig. 4 is the partial enlarged schematic diagram of A part in Fig. 3;

FIG. 5 is a schematic diagram of the structure of the buffer plate in this embodiment.

In the figure, 1, frame; 11, punch; 12, drive assembly; 13, worktable; 131, chute; 132, rack; 2, receiving plate; 21, slider; 22, missing gear; 23, Servo motor; 24, accommodating slot; 25, vertical slot; 26, buffer plate; 27, buffer spring; 3, threaded screw; 31, worm gear; 32, worm; 33, hand wheel; 4, limit plate; 41, Clamping groove; 411, sliding groove; 42, pressing plate; 421, sliding bar; 5, top tightening bolt.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1, a punching machine with automatic continuous punching function includes a vertically arranged frame 1, the upper end of the frame 1 slides with a vertically arranged punch 11, and the upper end of the frame 1 is also provided with a The drive assembly 12 that drives the punch 11 to slide downward (here, the prior art will not be described again), the frame 1 corresponding to the bottom of the punch 11 is fixed with a horizontally arranged work table 13, and the upper side of the work table 13 is along the A bearing plate 2 is slidably connected in the longitudinal direction. Both sides of the worktable 13 are provided with a T-shaped chute 131 along the length direction. Both sides of the bearing plate 2 are fixedly connected to the positions corresponding to the sliding slots 131, which can slide. The sliding bar 21 connected to the sliding groove 131 is moved, and the sliding bar 21 cooperates with the sliding groove 131 so as to prevent the displacement of the position of the receiving plate 2 during the sliding process.

Referring to FIG. 2 , a rack 132 is fixedly connected to the bottom of the receiving plate 2 on one side of the worktable 13 along its length direction, and the lower side of the receiving plate 2 is rotatably connected with a missing gear engaged with the rack 132 at the position corresponding to the rack 132 . A servo motor 23 capable of driving the missing gear 22 to rotate is also fixedly connected to the position of the missing gear 22 on one side of the receiving plate 2 . When working, turn on the servo motor 23 first, and the servo motor 23 can drive the missing gear 22 to rotate. When the missing gear 22 rotates to the state of meshing with the rack 132, it can drive the receiving plate 2 to work along the length of the workbench 13. The table 13 slides up and drives the plate to move forward. When the missing gear 22 rotates to the state that it does not mesh with the rack 132, the receiving plate 2 stops sliding, and the punch 11 moves downward, thereby punching the steel plate. Hole once, as the missing gear teeth 22 continue to rotate to the state of meshing with the rack 132, the receiving plate 2 continues to slide on the table 13, thereby driving the plate to continue to move forward until the missing gear teeth 22 rotate to When not engaged with the rack 132, the receiving plate 2 stops sliding, and at the same time, the punch 11 moves downward so that the next punching can be performed on the plate.

3 and 4, the clamping assembly includes limit plates 4 slidably connected to both ends of the receiving plate 2. The length directions of the two limit plates 4 are both perpendicular to the length direction of the receiving plate 2. The upper surface of the receiving plate 2 is two Along its length, there is a vertical accommodating groove 24 with a T-shaped longitudinal section. A pair of wire screws 3 are rotatably connected in the accommodating groove 24 on one side. The lower ends of the plates 4 are all threadedly connected to the opposite thread segments at both ends of the counter-thread screw 3, and the two limit plates 4 can slide in the direction of approaching each other with the rotation of the counter-thread screw 3, and one end of the counter-thread screw 3 is also fixed with a drive The driving mechanism for the rotation of the wire screw 3. The driving mechanism includes a worm wheel 31 fixed to one end of the screw thread 3. The worm gear 31 and the screw thread 3 are coaxially arranged. The position of the receiving plate 2 corresponding to the worm gear 31 is also fixed with a worm 32 that can engage with the worm gear 31. The worm 32 One end of the rotating shaft is fixedly connected with a hand wheel 33 arranged on a coaxial line. A clamping groove 41 is respectively defined on the side of the two limiting plates 4 which are close to each other. The two clamping grooves 41 have a frame-shaped structure and the openings are arranged opposite each other. A horizontally arranged pressing plate 42 is vertically slidingly connected in each clamping groove 41 , and a sliding groove with a T-shaped longitudinal section is provided on the side of the two clamping grooves 41 which are close to each other along the length direction perpendicular to the limit plate 4 . 411, both ends of the pressing plate 42 are horizontally fixed with a sliding bar 421 that can be slidably connected to the sliding groove 411 respectively. The sliding groove 411 cooperates with the sliding bar 421 to prevent the pressing plate 42 from sliding in the clamping groove 41. A shift in position occurs during the process. The upper sides of the two limiting plates 4 are respectively screwed with a vertically arranged jacking bolt 5 . The plate is first placed between the two limit plates 4 on the upper side of the receiving plate 2, and then the hand wheel 33 can be rotated to drive the worm 32 to rotate, thereby driving the worm wheel 31 to rotate, thereby driving the counter-thread screw 3 to rotate, thereby driving the two The limit plates 4 tend to move in the direction of approaching each other until the sides of the two clamping grooves 41 of the two limit plates 4 that are close to each other are in close contact with the two ends of the plate, respectively. By adjusting the distance between the two limit plates 4, In this way, plates of different widths can be clamped between the two limiting plates 4, and then the two tightening bolts 5 are turned downward, so that the lower sides of the two pressing plates 42 can be in close contact with the upper sides of the two ends of the plate, so that the Adjust the two top bolts 5 to be suitable for pressing plates of different thicknesses.

Referring to FIG. 5 , a vertical slot 25 is vertically opened on the upper side of the receiving plate 2 corresponding to the lower part of the punch 11 . The length direction of the vertical groove 25 is the same as that of the receiving plate 2 , and a buffer is vertically sliding connected in the vertical groove 25 . Plate 26, the length direction of the buffer plate 26 is the same as the length direction of the vertical slot 25, and a plurality of vertical slots are vertically arranged between the vertical slot 25 and the buffer plate 26, which can push the upper side of the buffer plate 26 to be flush with the upper side of the receiving plate 2 under normal conditions. One end of each buffer spring 27 is fixed to the lower side of the receiving plate 2 and the other end of each buffer spring 27 is fixed to the bottom side of the vertical slot 25 . When the punch 11 moves downward to punch the plate, the buffer plate 26 slides down along the vertical groove 25 due to the instantaneous impact force of the punch 11 , and the buffer spring 27 is compressed at this time, thereby preventing the instantaneous impact of the punch 11 . The impact force is buffered. After the punching is completed, the buffer spring 27 can push the buffer plate 26 to move upwards so that the upper side of the buffer plate 26 can be flush with the upper side of the receiving plate 2 .

The implementation principle of this embodiment is as follows: first place the plate between the two limit plates 4 on the upper side of the receiving plate 2, first place the plate between the two limit plates 4 on the upper side of the receiving plate 2, and then turn the handwheel 33 can drive the worm 32 to rotate, so as to drive the worm wheel 31 to rotate, so as to drive the counter-thread screw 3 to rotate, so as to drive the two limit plates 4 to move in the direction of approaching each other until the two clamping grooves 41 of the two limit plates 4 The sides that are close to each other are in close contact with the two ends of the plate, so as to complete the clamping of the plate, and then turn the two top tightening bolts 5 downward, so that the lower sides of the two pressing plates 42 can be in close contact with the upper sides of the two ends of the plate. , so as to complete the pressing of the plate; after the plate is fixed on the receiving plate 2, then the servo motor 23 is turned on, and the servo motor 23 can drive the missing gear 22 to rotate. , so as to drive the receiving plate 2 to slide on the table 13 along the length direction of the table 13, and drive the plate to move forward, until the missing gear 22 rotates to the state that it does not mesh with the rack 132, the receiving plate 2 stops sliding At the same time, the punch 11 moves downward for punching once, and the buffer plate 26 slides down along the vertical groove 25 due to the instantaneous impact force of the punch 11. At this time, the buffer spring 27 is compressed, thereby preventing the instantaneous impact of the punch 11. The impact force is buffered. When the punching is completed, as the buffer spring 27 returns to the normal state, it can push the buffer plate 26 to move upward so that the upper side of the buffer plate 26 can be flush with the upper side of the receiving plate 2; When the gear teeth of the gear 22 continue to rotate to the state of meshing with the rack 132, the receiving plate 2 continues to slide on the worktable 13, thereby driving the plate to continue to move forward until the gear teeth of the missing gear 22 rotate to not mesh with the rack 132. In the state, the receiving plate 2 stops sliding, and at the same time, the punch 11 moves downward so that the next punching of the plate can be performed, thereby realizing automatic continuous punching of the plate at a fixed distance.

The examples of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention. Therefore: all equivalent changes made according to the structure, shape and principle of the present invention are not It should be covered within the protection scope of the present invention.

Claims (7)

1. The utility model provides a punching machine with automatic function of punching a hole in succession, includes frame (1) of vertical setting, the vertical drift that slides in frame (1) upper end has drift (11), and frame (1) upper end still is provided with drive assembly (12) that can drive drift (11) and slide downwards, the below rigid coupling that frame (1) corresponds drift (11) has workstation (13) that the level set up, its characterized in that: frame (1) corresponds the below of workstation (13) and has a rack (132) along its length direction rigid coupling, workstation (13) upside slides along its length direction and is connected with one and accepts board (2), it rotates to accept board (2) and is connected with scarce gear (22) that mesh in rack (132), lack gear (22) pivot one end rigid coupling and have the drive to lack gear (22) pivoted servo motor (23), accept the centre gripping subassembly that is provided with centre gripping panel on board (2).

2. The punching machine with automatic continuous punching function according to claim 1, characterized in that: the slide rail supporting device is characterized in that sliding grooves (131) with a T-shaped longitudinal section are formed in the two sides of the workbench (13) along the length direction of the workbench, and sliding strips (21) which can be connected into the sliding grooves (131) in a sliding mode are fixedly connected to the two sides of the bearing plate (2) corresponding to the positions of the sliding grooves (131).

3. A press with automatic continuous punching function according to claim 2, characterized in that: the centre gripping subassembly is including setting up in limiting plate (4) of accepting board (2) both ends, it is connected with a pair of screw rod (3) to accept board (2) internal rotation, be on a parallel with and accept board (2) length direction to screw rod (3) axis direction, two limiting plate (4) lower extreme difference threaded connection are in the opposite screw thread section at pair screw rod (3) both ends, it has a drive to screw rod (3) pivoted actuating mechanism to screw rod (3) one end still rigid coupling.

4. A press with automatic continuous punching function according to claim 3, characterized in that: the driving mechanism comprises a worm wheel (31) fixedly connected to one end of the wire screw (3), and one end of the bearing plate (2) is fixedly connected with a worm (32) which can be meshed with the worm wheel (31).

5. A press with automatic continuous punching function according to claim 4, characterized in that: two a centre gripping groove (41), two have been seted up respectively to one side that limiting plate (4) are close to each other equal vertical sliding in centre gripping groove (41) is connected with clamp plate (42) that a level set up, two limiting plate (4) upside difference threaded connection has a puller bolt (5) of vertical setting, two the lower extreme of puller bolt (5) can extend respectively to respectively correspond in centre gripping groove (41) and rotate the upside of connecting in each clamp plate (42).

6. A press with automatic continuous punching function according to claim 5, characterized in that: two the sliding groove (411) that a vertical section is the T type is all seted up along perpendicular to limiting plate (4) length direction in one side that centre gripping groove (41) are close to each other, two clamp plate (42) both ends rigid coupling respectively has one can slide and connect in each slide that corresponds sliding groove (411) in strip (421).

7. The punching machine with automatic continuous punching function according to claim 6, characterized in that: the punch pin is characterized in that a vertical groove (25) which is arranged along the length direction of the bearing plate (2) is vertically formed in the lower portion of the upper side of the bearing plate (2) corresponding to the punch pin (11), a buffer plate (26) which is arranged along the length direction of the vertical groove (25) is vertically connected in the vertical groove (25) in a sliding mode, and a plurality of buffer springs (27) which are parallel and level to the upper side of the buffer plate (26) and the upper side of the bearing plate (2) can be vertically arranged between the buffer plate (26) and the vertical groove (25).

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