CN223418138U - A quick die-changing mechanism for a stamping machine tool - Google Patents

Abstract

The utility model discloses a quick die change mechanism of a stamping machine tool, which relates to the technical field of stamping machine tools and comprises the stamping machine tool, wherein a quick die release base is arranged on the front side of the stamping machine tool, a hydraulic press is fixedly arranged above the front side of the stamping machine tool, an upper die positioning mechanism is arranged at the bottom output end of the hydraulic press, a die assembly is arranged at the top of the quick die release base, a left-right through placing groove is formed in the top of the quick die release base, a clamping chute is formed in the center of the top of the placing groove, a servo motor is fixedly arranged on the rear side of the quick die release base, and an output shaft of the servo motor penetrates through an inner cavity of the clamping chute and is fixedly provided with a positive and negative threaded rod I. According to the utility model, the die of the stamping machine tool can be quickly disassembled and assembled through the mutual matching between the quick demoulding base and the upper die positioning mechanism, and the demoulding and replacing speed is improved without bolt fixing, so that the stamping efficiency is further improved.

Description

Quick die change mechanism of stamping machine tool

Technical Field

The utility model relates to the technical field of stamping machine tools, in particular to a quick die changing mechanism of a stamping machine tool.

Background

A press machine is a machine tool that, during the processing of metals or non-metals, often applies pressure to a material using a die on its own press mechanism to cause it to separate or plastically deform, thereby obtaining a desired part that is often used for the press processing of different parts, which often requires die replacement in order to obtain a different type of part. The following problems exist in the prior art:

Because current stamping machine tool stamping die is in order to guarantee the stability of upper and lower mould, adopts to offer T type spout generally, with the slip card of mould utilization button head bolt into T type spout to utilize the mode of bolt tightening to fix, but this kind of fixed mode is in case when needing to change, then need dismantle the button head bolt cooperation swivel nut of fixing in T type spout, and it is fixed to repeatedly tightening again when installing new mould, and the operation process is comparatively inconvenient, has influenced mould change efficiency.

Disclosure of utility model

The utility model provides a quick die changing mechanism of a stamping machine tool, which aims to solve the problems in the background technology.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a quick die change mechanism of punching press lathe, includes the punching press lathe, the front side of punching press lathe is provided with quick drawing of patterns base, the front side top fixed mounting of punching press lathe has the hydraulic press, the bottom output of hydraulic press is provided with mould positioning mechanism, quick drawing of patterns base's top is provided with the mould subassembly, the standing groove that link up about quick drawing of patterns base's top has been seted up, the centre of the top department of standing groove has seted up the centre gripping spout, quick drawing of patterns base's rear side fixed mounting has servo motor, servo motor's output shaft runs through to the inner chamber of centre gripping spout and fixed mounting have positive and negative threaded rod one, the screw thread wall that the screw thread is opposite has all been seted up to both sides around the outer wall of positive and negative threaded rod one, two the outer wall equal screw thread mounting of screw thread wall has T type splint, two the perpendicular department of T type splint all with the inner chamber sliding connection of centre gripping spout, two the level department bottom of T type splint all overlap joint with the top of standing groove.

The quick demoulding base is characterized in that a motor groove is formed in the middle of the front side of the quick demoulding base, L-shaped sliding grooves are formed in the left side and the right side of the quick demoulding base, the vertical positions of the two L-shaped sliding grooves penetrate through the top of a placing groove, the two L-shaped sliding grooves penetrate through the inner cavity of the motor groove, a first bidirectional shaft motor is fixedly arranged at the bottom of the inner wall of the motor groove, first threaded rods with opposite threads are fixedly arranged on output shafts on the left side and the right side of the first bidirectional shaft motor, the other ends of the first threaded rods penetrate through the inner cavity of the L-shaped sliding grooves respectively and are fixedly provided with limiting plates, L-shaped plates are arranged on the outer walls of the first threaded rods in a threaded mode, and the vertical positions of the two L-shaped plates penetrate through the top of the placing groove.

The technical scheme of the utility model is further improved in that the die assembly comprises a lower die plate and an upper die plate, wherein the upper die plate is positioned above the lower die plate, four guide rods are fixedly arranged on a rectangular array at the top of the lower die plate, four guide cylinders which are vertically penetrated are fixedly arranged on the rectangular array of the upper die plate, and the four guide rods are respectively connected with the four guide cylinders in a sliding manner.

The technical scheme of the utility model is further improved in that the middle parts of the four side surfaces of the lower die plate are provided with positioning grooves I which are vertically communicated, the middle parts of the four side surfaces of the four upper die plate are provided with positioning grooves II which are vertically communicated, and the vertical parts of the two L-shaped plates are respectively clamped with the positioning grooves I which are arranged on the left side and the right side of the lower die plate.

The upper die positioning mechanism comprises a connecting box, the output end of the hydraulic machine is fixedly connected with the top of the connecting box, the bottom of the connecting box is overlapped with the top of the upper die plate, a second bidirectional shaft motor is fixedly installed at the center of the bottom of the inner wall of the connecting box, second threaded rods with opposite threads are fixedly installed on output shafts on the left side and the right side of the second bidirectional shaft motor respectively, movable plates are installed on the outer walls of the two threaded rods in a threaded manner, the two movable plates are in sliding connection with the inner cavity of the connecting box, L-shaped clamping plates are fixedly installed on one sides of the two movable plates, which are far away from the second bidirectional shaft motor, and one ends of the two L-shaped clamping plates, which are far away from the movable plates, penetrate through the left side and the right side of the connecting box respectively and are provided with locking mechanisms.

The technical scheme of the utility model is further improved in that the bottoms of the vertical parts of the two L-shaped clamping plates are provided with left and right through lifting sliding grooves, the two locking mechanisms comprise fixing plates, the two fixing plates are respectively and fixedly arranged above the opposite back surfaces of the vertical parts of the two L-shaped clamping plates, the tops of the two fixing plates are respectively and fixedly provided with an electric push rod, the output ends of the two electric push rods respectively penetrate through the bottoms of the two fixing plates and are fixedly provided with clamping rods, the two clamping rods are respectively and slidably connected with the two lifting sliding grooves, the opposite surfaces of the two clamping rods are respectively and fixedly provided with an inverted T-shaped clamping block, and the vertical parts of the two inverted T-shaped clamping blocks are respectively clamped with die assemblies arranged on the left side and the right side of the upper die plate.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. The utility model provides a quick die changing mechanism of a stamping machine tool, which can quickly assemble and disassemble a die of the stamping machine tool through the mutual matching between a quick die stripping base and an upper die positioning mechanism without bolt fixing, so that the die stripping and replacing speed is improved, and the stamping efficiency is further improved.

2. The utility model provides a quick die changing mechanism of a stamping machine tool, which is capable of improving the die stripping speed and improving the applicability to dies of different sizes through the mutual matching among a T-shaped clamping plate, an L-shaped clamping plate and a locking mechanism.

Drawings

FIG. 1 is a schematic overall view of the structure of the present utility model;

FIG. 2 is a schematic top view of a quick release base of the structure of the present utility model;

FIG. 3 is a schematic cross-sectional view of a quick release base of the structure of the present utility model;

FIG. 4 is a schematic view of an upper mold positioning mechanism of the present utility model;

Fig. 5 is a schematic view of a locking mechanism of the structure of the present utility model.

The device comprises a stamping machine, a 2-speed demoulding base, a 21, a placing groove, a 22, a clamping chute, a 23, a servo motor, a 24, a positive and negative screw rod I, a 25, a T-shaped clamping plate, a 26, a motor groove, a 261, a two-way shaft motor I, a 262, a screw rod I, a 263, a limiting disc, a 264, an L-shaped plate, a 27, an L-shaped chute, a 3, a hydraulic press, a 4, an upper die positioning mechanism, a 41, a connecting box, a 42, a two-way shaft motor II, a 43, a screw rod II, a 44, a moving plate, a 45, an L-shaped clamping plate, a 451, a lifting chute, a 46, a locking mechanism, a 461, a fixing plate, a 462, an electric push rod, a 463, a clamping rod, 464, an inverted T-shaped clamping block, a 5, a die assembly, a 51, a lower die plate 52, a guide rod, a 53, a positioning groove I, a 54, an upper die plate, a 55, a guide cylinder, a 56 and a positioning groove II.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 and 2, the utility model provides a quick die changing mechanism of a stamping machine tool, which comprises a stamping machine tool 1, wherein a quick die-releasing base 2 is arranged on the front side of the stamping machine tool 1, a hydraulic press 3 is fixedly arranged above the front side of the stamping machine tool 1, an upper die positioning mechanism 4 is arranged at the bottom output end of the hydraulic press 3, a die assembly 5 is arranged at the top of the quick die-releasing base 2, a left-right through placing groove 21 is formed at the top of the quick die-releasing base 2, a clamping chute 22 is formed at the center of the top of the placing groove 21, a servo motor 23 is fixedly arranged at the rear side of the quick die-releasing base 2, an output shaft of the servo motor 23 penetrates through an inner cavity of the clamping chute 22 and is fixedly provided with a first and second threaded rod 24, threaded walls with opposite threads are formed on the front side and the rear side of the outer wall of the first threaded rod 24, T-shaped clamping plates 25 are respectively arranged on the outer walls of the two threaded walls, vertical positions of the two T-shaped clamping plates 25 are respectively connected with the inner cavity of the clamping chute 22 in a sliding manner, and the bottoms of the two T-shaped clamping plates 25 are respectively lapped with the top of the placing groove 21;

During installation, the die assembly 5 is directly placed on the top of the placement groove 21 formed in the quick demolding base 2, then the servo motor 23 at the rear side of the placement groove 21 can be started to drive the first positive and negative threaded rod 24 in the clamping chute 22 to rotate, so that the threaded wall of opposite threads on the front side and the rear side of the outer wall of the first positive and negative threaded rod 24 is matched with the threaded connection of the vertical part of the T-shaped clamping plate 25, the two T-shaped clamping plates 25 can be driven to move close to each other at the top of the placement groove 21 by utilizing the horizontal part, the lower die plate 51 contained in the die assembly 5 is clamped and fixed in the front-back direction, the placement groove 21 is started to rotate reversely, the horizontal part of the T-shaped clamping plate 25 can be separated from the lower die plate 51, and disassembly is performed.

As shown in fig. 3, the middle part of the front side of the quick demolding base 2 is provided with a motor groove 26, the left side and the right side of the quick demolding base 2 are provided with L-shaped sliding grooves 27, the vertical parts of the two L-shaped sliding grooves 27 are all penetrated to the top of the placing groove 21, the two L-shaped sliding grooves 27 are all penetrated with the inner cavity of the motor groove 26, the bottom of the inner wall of the motor groove 26 is fixedly provided with a first bidirectional shaft motor 261, the left side and the right side of the first bidirectional shaft motor 261 are all fixedly provided with threaded rods 262 with opposite threads, the other ends of the first threaded rods 262 are respectively penetrated to the inner cavity of the L-shaped sliding grooves 27 and are fixedly provided with limiting plates 263, the outer walls of the first threaded rods 262 are respectively provided with L-shaped plates 264, the vertical parts of the two L-shaped plates 264 are respectively penetrated to the top of the placing groove 21, the die assembly 5 comprises a lower die plate 51 and an upper die plate 54, the upper die plate 54 is positioned above the lower die plate 51, the top rectangular array of the lower die plate 51 is fixedly provided with four guide rods 52, the rectangular array of the upper die plate 54 is fixedly provided with four guide cylinders 55, the four upper and lower through guide cylinders 52 are respectively, the four guide cylinders 52 are respectively penetrated with the left side and right side surfaces of the two guide plates 53 are respectively, the two positioning grooves 53 are respectively reserved for positioning grooves of the two upper sides of the two positioning plates 53 are respectively;

The first two-way shaft motor 261 in the inner cavity of the motor groove 26 can be started to drive the first threaded rod 262 with opposite threads on the left and right sides to rotate when the lower die plate 51 is fixed back and forth, the first threaded rod 262 is matched with the threaded connection of the first L-shaped plate 264 to drive the two L-shaped plates 264 to move close to each other in the two L-shaped sliding grooves 27, finally, the vertical part of the L-shaped plates 264 is gradually clamped into the first positioning grooves 53 formed on the left and right sides of the lower die plate 51 to clamp and fix the lower die plate 51 in the left and right directions, the lower die plate 51 is fixed at the center of the top of the placing groove 21, and when the output shaft of the first two-way shaft motor 261 is driven to rotate reversely, the two L-shaped plates 264 are far away from the lower die plate 51, so that the lower die plate 51 is convenient to be directly demoulded and detached, and meanwhile, the upper die plate 54 is still positioned above the lower die plate 51, and the sliding connection between the upper die plate 54 and the guide rod 52 and the guide tube 55 can keep the stamping stability.

As shown in fig. 4 and 5, the upper mold positioning mechanism 4 comprises a connection box 41, the output end of the hydraulic machine 3 is fixedly connected with the top of the connection box 41, the bottom of the connection box 41 is overlapped with the top of an upper mold plate 54, a two-way shaft motor II 42 is fixedly installed at the center of the bottom of the inner wall of the connection box 41, threaded rods II 43 with opposite threads are respectively fixedly installed on the output shafts of the left side and the right side of the two-way shaft motor II 42, movable plates 44 are respectively installed on the outer walls of the two threaded rods II 43 in a threaded manner, the two movable plates 44 are respectively and slidably connected with the inner cavity of the connection box 41, L-shaped clamping plates 45 are respectively fixedly installed on one sides of the two movable plates 44 away from the two-way shaft motor II 42, one ends of the two L-shaped clamping plates 45 away from the movable plates 44 respectively penetrate through the left side and the right side of the connection box 41 and are provided with locking mechanisms 46, the bottom of the vertical part of the two L-shaped clamping plates 45 is provided with a left-right through lifting chute 451, the two locking mechanisms 46 comprise fixing plates 461, the two fixing plates 461 are respectively and fixedly arranged above the opposite sides of the vertical part of the two L-shaped clamping plates 45, the tops of the two fixing plates 461 are respectively and fixedly provided with an electric push rod 462, the output ends of the two electric push rods 462 respectively penetrate through the bottoms of the two fixing plates 461 and are fixedly provided with clamping rods 463, the two clamping rods 463 are respectively and slidably connected with the two lifting chutes 451, the opposite sides of the two clamping rods 463 are respectively and fixedly provided with an inverted T-shaped clamping block 464, and the vertical parts of the two inverted T-shaped clamping blocks 464 are respectively clamped with mold assemblies 5 arranged on the left side and the right side of the upper mold plate 54;

After the lower die plate 51 is fixed, the hydraulic press 3 can be started to drive the connecting box 41 to descend until the center of the top of the upper die plate 54 is propped, then the two-way shaft motor 42 in the inner cavity of the connecting box 41 can be started to drive the threaded rods 43 with opposite threads for connecting the output shafts on two sides to rotate, the two moving plates 44 in the inner cavity of the connecting box 41 can be driven to move close to each other by matching with the threaded connection between the two moving plates 44 in the inner cavity of the connecting box 41 and the outer walls of the two threaded rods 43, the vertical position of the L-shaped clamping plate 45 is driven to clamp and fix the left side and the right side of the upper die plate 54, meanwhile, because the lower die plate 51 is fixed at the center of the placing groove 21, the upper die plate 54 is also positioned at the center of the bottom of the connecting box 41, the L-shaped clamping plate 45 is vertically positioned at the center of the bottom of the connecting box 41, the vertical position of the L-shaped clamping plate 45 can be clamped in the positioning grooves 56 formed in the left side and the right side of the upper die plate 54, the front and the rear of the upper die plate 54 are prevented from moving by simultaneously, and the electric push rod 462 at the top of the fixing plate 461 can drive the clamping plate 463 to ascend, so that the upper die plate 54 can be clamped by the electric push rod 463, and the upper die plate 54 can be normally moved, and the upper die plate 54 can be separated from the upper die plate and the upper die plate 54 can be normally when the upper die plate and the upper die plate 54 is reversely moved, and the upper die plate is required to be separated, and the upper die plate is vertically and then can be separated.

The working principle of the quick die change mechanism of the press machine is specifically described below.

As shown in fig. 1-5, when in installation, the die assembly 5 is directly placed on the top of the placement groove 21 formed in the quick demoulding base 2, then the servo motor 23 at the rear side of the placement groove 21 can be started to drive the first positive and negative threaded rod 24 in the clamping chute 22 to rotate, so that the threaded wall matched with the opposite threads on the front and back sides of the outer wall of the first positive and negative threaded rod 24 is in threaded connection with the vertical position of the T-shaped clamping plate 25, the two T-shaped clamping plates 25 can be driven to move close to each other by utilizing the horizontal position at the top of the placement groove 21, the lower die plate 51 contained in the die assembly 5 is clamped and fixed in the front and back direction, the placement groove 21 is started to rotate reversely, the horizontal position of the T-shaped clamping plate 25 can be separated from the lower die plate 51 to be disassembled, the first screw rod 262 opposite to the threads on the output shafts on the left and right sides can be driven by the first bidirectional shaft motor 261 in the inner cavity of the motor groove 26 to rotate in the front and back and fixed mode, the two L-shaped plates 264 can be driven to move close to each other in the two L-shaped sliding grooves 27 by matching with the threaded connection of the first threaded rod 262 and the first L-shaped plates 264, finally, the vertical part of the L-shaped plates 264 is gradually clamped into the first positioning grooves 53 formed on the left side and the right side of the lower die plate 51 to clamp and fix the lower die plate 51 in the left and right directions, so that the lower die plate 51 is fixed at the center of the top of the placing groove 21, meanwhile, the upper die plate 54 is still positioned above the lower die plate 51, the stamping stability can be kept between the upper die plate 54 and the lower die plate 54 through the sliding connection of the guide rod 52 and the guide tube 55, after the lower die plate 51 is fixed, the hydraulic press 3 can be started to drive the connecting box 41 to descend until the top center of the upper die plate 54 is propped against, then, the two-way shaft motor 42 in the inner cavity of the connecting box 41 can be started to drive the threaded rod two-way 43 with opposite threads which are connected with the output shafts on two sides to rotate, the two moving plates 44 in the inner cavity of the connecting box 41 are matched with the threads on the outer walls of the two threaded rods 43 to drive the two moving plates 44 to move close to each other, the vertical part of the L-shaped clamping plate 45 is driven to clamp and fix the left side and the right side of the upper die plate 54, meanwhile, because the lower die plate 51 is fixed at the center of the placing groove 21, the upper die plate 54 is also positioned at the center of the bottom of the connecting box 41, when the L-shaped clamping plate 45 is vertically clamped, the vertical part of the inverted T-shaped clamping block 464 at one end of the clamping rod 463 can be clamped into the second positioning groove 56 formed at the left side and the right side of the upper die plate 54, the upper die plate 54 is prevented from moving forwards and backwards, and meanwhile, the clamping rod 463 can be driven to ascend by starting the electric push rod 462 at the top of the fixing plate 461, so that the bottom of the upper die plate 54 is pressed upwards by the horizontal part of the inverted T-shaped clamping block 464, the upper die plate 54 is attached and fastened to the bottom of the connecting box 41, and at the moment, the upper die plate 54 and the lower die plate 51 can be vertically separated from each other by normally starting the hydraulic press 3.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims (6)

1. The utility model provides a quick die change mechanism of punching press lathe, includes punching press lathe (1), its characterized in that, the front side of punching press lathe (1) is provided with quick drawing of patterns base (2), the front side top fixed mounting of punching press lathe (1) has hydraulic press (3), the bottom output of hydraulic press (3) is provided with mould positioning mechanism (4), the top of quick drawing of patterns base (2) is provided with mould subassembly (5), standing groove (21) that link up about the top of quick drawing of patterns base (2) has been seted up, holding chute (22) have been seted up in the top center department of standing groove (21), the rear side fixed mounting of quick drawing of patterns base (2) has servo motor (23), the output shaft of servo motor (23) runs through to the inner chamber and the fixed mounting of holding chute (22) and is positive and negative one (24), the screw thread wall that the screw thread is opposite is all seted up to the outer wall front and back both sides of positive and negative one (24), two T type splint (25) are all installed to the outer wall screw thread, two T type splint (25) are all connected with the horizontal bridging groove (25) of the top of two vertical sliding grooves of holding chute (22).

2. The quick die change mechanism of a stamping machine tool according to claim 1, wherein a motor groove (26) is formed in the middle of the front side of the quick die release base (2), L-shaped sliding grooves (27) are formed in the left side and the right side of the quick die release base (2), the vertical positions of the two L-shaped sliding grooves (27) are communicated with the top of the placing groove (21), the two L-shaped sliding grooves (27) are communicated with the inner cavity of the motor groove (26), a two-way shaft motor (261) is fixedly mounted at the bottom of the inner wall of the motor groove (26), threaded rods (262) with opposite threads are fixedly mounted on output shafts on the left side and the right side of the two-way shaft motor (261), the other ends of the two threaded rods (262) are respectively penetrated into the inner cavity of the L-shaped sliding grooves (27) and are fixedly provided with limiting plates (263), the outer walls of the two threaded rods (262) are respectively provided with L-shaped plates (264), and the vertical positions of the two L-shaped sliding plates are penetrated into the top of the placing groove (21).

3. The quick die change mechanism of a stamping machine tool according to claim 2, wherein the die assembly (5) comprises a lower die plate (51) and an upper die plate (54), the upper die plate (54) is located above the lower die plate (51), four guide rods (52) are fixedly arranged on a rectangular array at the top of the lower die plate (51), four guide cylinders (55) penetrating up and down are fixedly arranged on the rectangular array of the upper die plate (54), and the four guide rods (52) are respectively connected with the four guide cylinders (55) in a sliding mode.

4. The quick die change mechanism of a stamping machine tool according to claim 3, wherein the middle parts of four side surfaces of the lower die plate (51) are provided with positioning grooves I (53) which are vertically penetrated, the middle parts of four side surfaces of the four upper die plates (54) are provided with positioning grooves II (56) which are vertically penetrated, and the vertical parts of the two L-shaped plates (264) are respectively clamped with the positioning grooves I (53) which are arranged on the left side and the right side of the lower die plate (51).

5. The quick die change mechanism of a stamping machine tool according to claim 1, wherein the upper die positioning mechanism (4) comprises a connecting box (41), the output end of the hydraulic machine (3) is fixedly connected with the top of the connecting box (41), the bottom of the connecting box (41) is overlapped with the top of an upper die plate (54), a two-way shaft motor (42) is fixedly installed at the center of the bottom of the inner wall of the connecting box (41), threaded rods (43) with opposite threads are fixedly installed on output shafts on the left side and the right side of the two-way shaft motor (42), movable plates (44) are installed on the outer walls of the two threaded rods (43) in a threaded mode, the two movable plates (44) are in sliding connection with the inner cavity of the connecting box (41), L-shaped clamping plates (45) are fixedly installed on one sides of the two movable plates (44) away from the two-way shaft motor (42), and one ends of the two L-shaped clamping plates (45) away from the movable plates penetrate through the left side and the two sides of the connecting box (41) respectively and are provided with locking mechanisms (46).

6. The quick die change mechanism of a stamping machine tool according to claim 5, wherein the bottoms of the vertical parts of the two L-shaped clamping plates (45) are respectively provided with a left-right through lifting chute (451), the two locking mechanisms (46) comprise fixing plates (461), the two fixing plates (461) are respectively and fixedly arranged above the opposite sides of the vertical parts of the two L-shaped clamping plates (45), the tops of the two fixing plates (461) are respectively and fixedly provided with an electric push rod (462), the output ends of the two electric push rods (462) respectively penetrate through the bottoms of the two fixing plates (461) and are fixedly provided with clamping rods (463), the two clamping rods (463) are respectively and slidably connected with the two lifting chutes (451), the opposite surfaces of the two clamping rods (463) are respectively and fixedly provided with inverted T-shaped clamping blocks (464), and the vertical parts of the two inverted T-shaped clamping blocks (464) are respectively clamped with die assemblies (5) arranged on the left side and the right side of the upper die plate (54).