Quick cutter replacing device for numerical control punching machine

Abstract

The utility model relates to the technical field of numerical control punching machines, and discloses a numerical control punching machine tool rapid replacing device which comprises a bottom plate, a fixing frame is fixedly welded to the top of the bottom plate, a machining device is arranged at the bottom of the fixing frame, and a tool base is installed in the inner wall of an installation frame. The tool base is arranged on the inner wall of the mounting frame, so that the tool base extrudes a clamping block slidably connected with the inner wall of the mounting frame when moving in the inner wall of the mounting frame, the clamping block is stressed to move and extrudes a reset spring, and then the elastic potential energy of the reset spring is increased; the clamping block is pushed into a clamping groove formed in the outer wall of the tool base through elastic potential energy of a reset spring, fixed installation of the tool base is achieved, when the tool base needs to be disassembled and replaced, a pull rod is manually pulled to drive the clamping block to fall off from the clamping groove formed in the outer wall of the tool base, and the installation frame is separated from the tool base; and the tool base is disassembled.

Description

Technical Field

[0001] The utility model relates to the technical field of numerical control punching machines, in particular to a tool rapid replacement device for a numerical control punching machine. Background Art

[0002] CNC punching machine is the abbreviation of digital control punching machine, which is an automatic machine tool equipped with a control system that can logically process programs specified by control codes or other symbolic instructions and decode them to make the punching machine move and process parts.

[0003] The existing CNC punch tool quick replacement device can refer to the Chinese utility model patent with authorization announcement number CN213858245U, which discloses a CNC lathe tool replacement device, "through the main engine housing and the main engine base are fixedly connected, the first hydraulic cylinder is fixedly connected to the main engine housing, the piston rod is fixedly connected to the output end of the first hydraulic cylinder, the mounting plate is fixedly connected to the other side of the piston rod, the second hydraulic cylinder is fixedly connected to the mounting plate, the first telescopic rod is fixedly connected to the output end of the second hydraulic cylinder, the first clamping plate is fixedly connected to the other side of the first telescopic rod, the third hydraulic cylinder is fixedly connected to the mounting plate, the second telescopic rod is fixedly connected to the output end of the third hydraulic cylinder, the second clamping plate is fixedly connected to the other side of the second telescopic rod, the motor is fixedly connected to the main engine base, the tool placer is fixedly connected to the output end of the motor, the two springs are respectively fixedly connected to the tool placer, and the two locking plates are respectively fixedly connected to the other ends of the two springs, which solves the problem that the replacement effect is affected by the different sizes and shapes of the tools."

[0004] When the above-mentioned device is in use, the tool is first placed in the tool placer with the tool seat facing the main body housing, and the two locking plates clamp the tool by the pressure of the spring. However, the above-mentioned device uses the pressure of the spring to support and fix the tool during use, resulting in a poor fixing effect on the tool. The tool may fall off during use, making it inconvenient to process the workpiece. In addition, the above-mentioned device will generate debris during the process of processing the workpiece. The splashing of debris is inconvenient to affect the processing of the workpiece, thereby reducing the working efficiency of the device. Utility Model Content

[0005] In view of the shortcomings of the prior art, the utility model provides a CNC punching machine tool quick replacement device, which has the advantages of facilitating the installation and disassembly of the tool, improving the fixing effect of the tool, and preventing the tool from falling off during use. It has the advantage of being able to collect the debris generated by processing and reduce the impact of the debris on the workpiece processing, thereby solving the problems raised in the above-mentioned background technology.

[0006] The utility model provides the following technical solutions: a CNC punching machine tool quick replacement device, comprising a base plate, a fixing frame is welded and fixed on the top of the base plate, a processing device is arranged at the bottom of the fixing frame, the processing device comprises an electric telescopic rod, the bottom of the power rod of the electric telescopic rod is fixedly connected to a mounting frame by bolts, the inner wall of the mounting frame is slidably connected to a tool base, outer walls on both sides of the tool base are provided with clamping blocks slidably connected to the inner wall of the mounting frame, a pull rod slidably connected to the inner wall of the mounting frame is welded and fixed to the outer wall of the clamping block, and a reset spring slidably connected to the inner wall of the mounting frame is slidably sleeved on the outer wall of the pull rod.

[0007] As a preferred technical solution of the utility model, a slot is provided at the position where the outer walls on both sides of the tool base are connected to the block, and the block is slidably connected to the inner wall of the slot, and the pull rod passes through the mounting frame and extends to one end outside the mounting frame to weld a fixed limiting block.

[0008] As a preferred technical solution of the utility model, the diameter of the slide groove opened on the inner wall of the mounting frame is smaller than the diameter of the round block welded at one end of the clamping block in the slide groove, and the end of the clamping block connected to the tool base is arc-shaped.

[0009] As a preferred technical solution of the utility model, a clamping device is provided at the top of the base plate located at the bottom of the processing device, and the clamping device includes a motor, the output shaft of the motor passes through the outer wall of the base plate and is rotatably connected to the inner wall of the base plate, and a screw rod rotatably connected to the inner wall of the base plate is welded and fixed to the output shaft end of the motor, and the internal threads of the two screw rods are in opposite directions, and the outer edge of the screw rod is threadedly connected to a splint that is slidably connected to the inner wall of the square groove opened at the top of the base plate.

[0010] As a preferred technical solution of the utility model, a storage plate is welded and fixed to the outer wall of the base plate, a debris collection device is provided on the top of the storage plate, the debris collection device includes a fan, and the air outlet end of the fan is bolted and fixedly connected with a duct that passes through the fixed frame, and the duct extends to the side of the processing device.

[0011] As a preferred technical solution of the utility model, a collecting groove is opened on the top of the base plate, a discharge hole is opened on the bottom of the inner wall of the collecting groove, and a collecting box is fixed to the welding machine at the position of the bottom of the base plate corresponding to the discharge hole, and a sealing plate is rotatably connected to the front of the collecting box.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] 1. The tool quick-changing device for a CNC punch press machine is configured such that the tool base is installed in the inner wall of a mounting frame, so that when the tool base moves in the inner wall of the mounting frame, it squeezes a block slidably connected to the inner wall of the mounting frame, and the block is forced to move and squeeze a reset spring, thereby increasing the elastic potential energy of the reset spring. When the slot provided on the outer wall of the tool base moves to a position corresponding to the position of the block, the elastic potential energy of the reset spring is used to push the block into the slot provided on the outer wall of the tool base, thereby achieving fixed installation of the tool base. When the tool base needs to be disassembled and replaced, the pull rod is manually pulled to drive the block to fall off from the slot provided on the outer wall of the tool base, thereby separating the mounting frame from the tool base, thereby achieving disassembly of the tool base.

[0014] 2. The CNC punching machine tool quick replacement device works through the fan, so that the generated wind can be sent into the duct through the air outlet, and then the wind blown out at the duct outlet can blow the debris generated by the workpiece surface processing into the collection trough, and utilize the discharge hole opened at the bottom of the inner wall of the collection trough to allow the debris entering the collection trough to enter the collection box through the discharge hole, so as to realize the collection and processing of the debris. When the debris in the collection box reaches a certain amount, the sealing plate connected to the front of the collection box is rotated to open, and the debris in the collection box is taken out for processing, so as to facilitate the subsequent storage and use of the debris. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the side section structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the front section structure of the utility model;

[0018] Figure 4 For this utility model Figure 3 Schematic diagram of the structure at point A in the middle.

[0019] In the figure: 1, bottom plate; 2, fixing frame; 3, processing device; 301, electric telescopic rod; 302, mounting frame; 303, tool base; 304, clamping block; 305, pull rod; 306, reset spring; 4, clamping device; 401, motor; 402, screw rod; 403, clamping plate; 5, storage plate; 6, debris collection device; 601, fan; 602, duct; 603, collection trough; 604, discharge hole; 605, collection box. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 A tool quick-changing device for a CNC punching machine comprises a bottom plate 1, a fixing frame 2 is welded and fixed on the top of the bottom plate 1, a processing device 3 is arranged at the bottom of the fixing frame 2, the processing device 3 comprises an electric telescopic rod 301, a mounting frame 302 is fixedly connected to the bottom of the power rod of the electric telescopic rod 301 by bolts, a tool base 303 is slidably connected to the inner wall of the mounting frame 302 on the inner wall, a clamping block 304 slidably connected to the inner wall of the mounting frame 302 is arranged on the outer walls of both sides of the tool base 303, a pull rod 305 slidably connected to the inner wall of the mounting frame 302 is welded and fixed on the outer wall of the clamping block 304, and a pull rod 305 slidably connected to the inner wall of the mounting frame 302 on the outer wall of the pull rod 305 is slidably sleeved with a tool base 303 on the inner wall of the mounting frame The reset spring 306 is slidably connected to the inner wall of the tool base 302, and the tool base 303 is installed in the inner wall of the mounting frame 302, so that when the tool base 303 moves in the inner wall of the mounting frame 302, it squeezes the block 304 slidably connected to the inner wall of the mounting frame 302, and the block 304 is forced to move and squeeze the reset spring 306, thereby increasing the elastic potential energy of the reset spring 306. When the slot opened on the outer wall of the tool base 303 moves to a position corresponding to the position of the block 304, the elastic potential energy of the reset spring 306 is used to push the block 304 into the slot opened on the outer wall of the tool base 303, thereby achieving fixed installation of the tool base 303.

[0022] Slots are provided at the positions where the outer walls of both sides of the tool base 303 are connected to the blocking block 304, and the blocking block 304 is slidably connected to the inner walls of the slots, and the pull rod 305 passes through the mounting frame 302 and extends to one end outside the mounting frame 302, and a fixed limiting block is welded thereto. The pull rod 305 is manually pulled to drive the blocking block 304 to fall off from the slots provided on the outer wall of the tool base 303, so that the mounting frame 302 is separated from the tool base 303, thereby realizing the disassembly of the tool base 303 and reducing the friction resistance and friction loss generated between the blocking block 304 and the mounting frame 302 and the tool base 303 when sliding, and the limiting round block welded and fixed at one end of the pull rod 305 can limit the pull rod 305 to prevent the pull rod 305 from completely entering the mounting frame 302.

[0023] The diameter of the slide groove opened on the inner wall of the mounting frame 302 is smaller than the diameter of the round block welded at one end of the block 304 located in the slide groove. The end of the block 304 connected to the tool base 303 is arc-shaped. When the tool base 303 moves in the inner wall of the mounting frame 302, the arc-shaped end of the block 304 can be squeezed and the block 304 can be moved. The round block welded and fixed at one end of the block 304 can be used to limit the block 304 to prevent the block 304 from falling off from the slide groove opened on the inner wall of the mounting frame 302.

[0024] A clamping device 4 is provided at the top of the base plate 1 at the position at the bottom of the processing device 3. The clamping device 4 includes a motor 401. The output shaft of the motor 401 passes through the outer wall of the base plate 1 and is rotatably connected to the inner wall of the base plate 1. A screw rod 402 rotatably connected to the inner wall of the base plate 1 is welded and fixed at the output shaft end of the motor 401, and the internal threads of the two screw rods 402 are in opposite directions. The outer edge of the screw rod 402 is threadedly connected to a clamping plate 403 that is slidably connected to the inner wall of the square groove opened at the top of the base plate 1. When the motor 401 is working, it drives the screw rod 402 to rotate in the inner wall of the base plate 1, and drives the two clamping plates 403 with opposite internal threads connected to the outer edge of the screw rod 402 to move in opposite directions, so as to facilitate the adjustment of the distance between the clamping plates 403, and then facilitate the support and fixation of workpieces of different sizes to prevent the workpieces from moving during the processing.

[0025] A storage plate 5 is welded and fixed to the outer wall of the base plate 1, and a debris collection device 6 is arranged on the top of the storage plate 5. The debris collection device 6 includes a fan 601. The air outlet end of the fan 601 is bolted and fixedly connected with a duct 602 that penetrates the fixed frame 2, and the duct 602 extends to the side of the processing device 3, so that the fan 601 can send the generated wind to the workpiece processing site through the duct 602, and can blow off the debris generated during the workpiece processing, so as to prevent the accumulation of debris from affecting the workpiece processing.

[0026] A collecting groove 603 is provided at the top of the base plate 1, a discharge hole 604 is provided at the bottom of the inner wall of the collecting groove 603, and a collecting box 605 is fixed to the welder at a position at the bottom of the base plate 1 corresponding to the discharge hole 604. A sealing plate is rotatably connected to the front of the collecting box 605, and the blown-off debris enters the collecting groove 603. The discharge hole 604 at the bottom of the inner wall of the collecting groove 603 is utilized to allow the debris entering the collecting groove 603 to enter the collecting box 605 through the discharge hole 604, thereby realizing the collection and processing of the debris.

[0027] The working principle is that when in use, the tool base 303 is installed in the inner wall of the mounting bracket 302, so that when the tool base 303 moves in the inner wall of the mounting bracket 302, it squeezes the block 304 slidably connected to the inner wall of the mounting bracket 302, and the block 304 is forced to move and squeeze the return spring 306, thereby increasing the elastic potential energy of the return spring 306. When the slot provided on the outer wall of the tool base 303 moves to a position corresponding to the position of the block 304, the elastic potential energy of the return spring 306 is used to push the block 304 into the slot provided on the outer wall of the tool base 303, thereby achieving the fixed installation of the tool base 303. When the tool base 303 needs to be disassembled and replaced, the pull rod 305 is manually pulled to drive the block 304 to fall off from the slot provided on the outer wall of the tool base 303, so that the mounting bracket 302 is separated from the tool base 303, thereby achieving the disassembly and replacement of the tool base 303. Unloading, using the motor 401 to drive the screw rod 402 to rotate, so that the clamping plate 403 connected to the outer thread of the screw rod 402 moves in the opposite direction, so that the workpiece can be supported and fixed, and the electric telescopic rod 301 is controlled to drive the tool to approach the workpiece and then process it, and the fan 601 is operated so that the generated wind can be sent into the duct 602 through the air outlet, so that the wind blown out at the outlet of the duct 602 can blow the debris generated by the surface processing of the workpiece into the collection groove 603, and the discharge hole 604 opened at the bottom of the inner wall of the collection groove 603 is used to make the debris entering the collection groove 603 enter the collection box 605 through the discharge hole 604, so as to realize the collection and processing of the debris, and when the debris in the collection box 605 reaches a certain amount, the sealing plate connected to the front of the collection box 605 is opened, and the debris in the collection box 605 is taken out for processing.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A CNC punching machine tool quick replacement device, comprising a base plate (1), characterized in that: A fixing frame (2) is welded and fixed to the top of the base plate (1), and a processing device (3) is arranged at the bottom of the fixing frame (2). The processing device (3) comprises an electric telescopic rod (301), and the bottom of the power rod of the electric telescopic rod (301) is fixedly connected to a mounting frame (302) by bolts, and the inner wall of the mounting frame (302) is slidably connected to a tool base (303), and the outer walls on both sides of the tool base (303) are provided with a clamping block (304) slidably connected to the inner wall of the mounting frame (302), and the outer wall of the clamping block (304) is welded and fixed with a pull rod (305) slidably connected to the inner wall of the mounting frame (302), and the outer wall of the pull rod (305) is slidably sleeved with a return spring (306) slidably connected to the inner wall of the mounting frame (302).

2. The CNC punching machine tool quick replacement device according to claim 1, characterized in that: A clamping groove is provided at the position where the outer walls of both sides of the tool base (303) are connected to the clamping block (304), and the clamping block (304) is slidably connected to the inner wall of the clamping groove. The pull rod (305) passes through the mounting frame (302) and extends to one end outside the mounting frame (302) to be welded and fixed with a limiting block.

3. The CNC punching machine tool quick replacement device according to claim 1, characterized in that: The diameter of the slide groove provided on the inner wall of the mounting frame (302) is smaller than the diameter of the round block welded at one end of the clamping block (304) in the slide groove, and the end of the clamping block (304) connected to the tool base (303) is in an arc shape.

4. The CNC punching machine tool quick replacement device according to claim 1, characterized in that: A clamping device (4) is provided at a position on the top of the base plate (1) located at the bottom of the processing device (3), and the clamping device (4) comprises a motor (401), the output shaft of the motor (401) passes through the outer wall of the base plate (1) and is rotatably connected to the inner wall of the base plate (1), a screw rod (402) rotatably connected to the inner wall of the base plate (1) is welded and fixed to the output shaft end of the motor (401), and the internal threads of the two screw rods (402) are in opposite directions, and the outer edge of the screw rod (402) is threadedly connected to a clamping plate (403) slidably connected to the inner wall of a square groove opened at the top of the base plate (1).

5. The CNC punching machine tool quick replacement device according to claim 1, characterized in that: A storage plate (5) is welded and fixed to the outer wall of the bottom plate (1); a debris collection device (6) is provided on the top of the storage plate (5); the debris collection device (6) comprises a fan (601); an air outlet end of the fan (601) is bolted and fixedly connected to a conduit (602) that passes through the fixing frame (2); and the conduit (602) extends to the side of the processing device (3).

6. The CNC punching machine tool quick replacement device according to claim 5, characterized in that: A collecting groove (603) is provided at the top of the bottom plate (1), a material discharge hole (604) is provided at the bottom of the inner wall of the collecting groove (603), and a collecting box (605) is fixed to the welding machine at a position corresponding to the material discharge hole (604) at the bottom of the bottom plate (1), and a sealing plate is rotatably connected to the front of the collecting box (605).

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