Punching machine facilitating die replacement

Abstract

The utility model provides a punching machine convenient for die replacement, which relates to the technical field of punching machines and comprises a punching machine body. The punching machine body is provided with a punching machine shell in the up-down direction, a die bearing plate in the left-right direction is arranged in the middle of the front portion of the punching machine shell, front-back through dovetail grooves are formed in the left side and the right side of the top end face of the die bearing plate, and a push-pull strip-shaped groove in the front-back direction is formed in the middle of the top end face of the die bearing plate. And front-back penetrating bearing holes are formed in the front wall and the rear wall of a push-pull strip-shaped groove of the die bearing plate correspondingly, so that a clamping rotating rod is conveniently installed on the die bearing plate through a bearing to bear a clamping moving plate, and the clamping moving plate is conveniently engaged with threads to synchronously move inwards and outwards to fix and loosen the stamping die block.

Description

Technical Field

[0001] The utility model belongs to the technical field of punching machines, and particularly relates to a punching machine convenient for replacing dies. Background Technique

[0002] A punching machine, also known as a mechanical punching press or a mechanical stamping machine, is an instrument and equipment that uses compressed air provided by a compressed air pump to enter a cylinder through a solenoid valve, drives a piston to transmit to a main shaft to make the main shaft move downward, thereby forming an impact force, so that a workpiece generates a specified deformation in a die to achieve the processing purpose. It is widely used in the sizing processes such as cutting, punching, and stretching of raw materials.

[0003] Based on the above, the inventor found that the existing punching machines have the following deficiencies:

[0004] 1. The stamping die is fixed on the punching machine by a plurality of bolts, resulting in a more cumbersome process for disassembling and replacing the stamping die, and it is not convenient to install die fixing measures on the punching machine to achieve rapid disassembly and replacement of the die;

[0005] 2. There are no measures for pushing and pulling the die on the punching machine, resulting in laborious pushing and pulling during the disassembly and replacement process of the stamping die, and it is not convenient to install pushing and pulling measures on the punching machine to push and pull the die. Content of the Utility Model

[0006] In order to solve the above technical problems to at least a certain extent, the utility model provides a punching machine convenient for replacing dies.

[0007] The purpose and efficacy of the punching machine convenient for replacing dies of the utility model are achieved by the following specific technical means:

[0008] A punching machine for easy mold replacement comprises a punching machine body; the punching machine body is provided with a punching machine shell in the up-down direction, a mold bearing plate in the left-right direction is provided in the front middle of the punching machine shell, dovetail grooves are provided on the left and right sides of the top end surface of the mold bearing plate, a push-pull strip groove in the front-back direction is provided in the middle of the top end surface of the mold bearing plate, bearing holes are provided on the front and back walls of the push-pull strip groove of the mold bearing plate, matching grooves are provided on the top end surfaces of the front and back walls of the push-pull strip groove of the mold bearing plate, and a left-right direction is provided in the middle of the top end surface of the mold bearing plate. A clamping strip groove, the lower part of the left and right walls of the clamping strip groove of the mold supporting plate are provided with left and right penetrating fixing holes, and left and right clamping rotating rods are installed between the fixing holes of the mold supporting plate through bearings, and the left and right outer circumferences of the clamping rotating rods are provided with threads of opposite rotation directions, and the left and right end faces of the clamping rotating rod are provided with fixing columns, and the outer end faces of the fixing columns of the clamping rotating rod are provided with regular hexagonal prisms, and the outer circumferences of the left and right sides of the clamping rotating rod are provided with clamping movable plates in the upper and lower directions through threads, and the lower end of the clamping movable plate is provided with threaded holes penetrating left and right, and an insertion block is provided at the upper end of the inner end face of the clamping movable plate.

[0009] Furthermore, a left-right stamping die block is placed in the middle of the top end surface of the bearing plate of the push-pull movable plate, and a rectangular groove is opened in the middle upper part of the left and right end surfaces of the stamping die block.

[0010] Furthermore, the bottom of the left and right ends between the push-pull plates of the push-pull movable plate are both installed with load-bearing dovetail strips in the front and rear directions through bolts, and threaded blind holes are opened at both the front and rear ends of the top end surface of the load-bearing dovetail strips.

[0011] Furthermore, push-pull plates in left and right directions are arranged at both front and rear ends of the top end face of the bearing plate of the push-pull movable plate, and through holes penetrating up and down are opened at both left and right ends of the push-pull plates of the push-pull movable plate.

[0012] Furthermore, a push-pull movable plate in the front-to-back direction is installed on the outer circumference of the push-pull rotating rod through threads, a bearing plate in the front-to-back direction is arranged in the middle of the push-pull movable plate, and a vertical plate with front-to-back threaded holes is arranged behind the bottom end surface of the bearing plate of the push-pull movable plate.

[0013] Furthermore, the front and rear end surfaces of the push-pull rotating rod are both provided with fixing columns, and the front end of the push-pull rotating rod is provided with a regular hexagonal prism.

[0014] Furthermore, a push-pull rotating rod in the front-to-back direction is installed between the bearing holes of the mold bearing plate through bearings, and a thread is provided on the outer circumference of the push-pull rotating rod.

[0015] Compared with the prior art, the utility model has the following beneficial effects:

[0016] The convenient clamping rotating rod is installed on the mold bearing plate through a bearing to carry the clamping moving plate. The convenient clamping moving plate moves synchronously inward and outward through thread engagement to fix and release the stamping die block, solving the problem that the stamping die is fixed on the stamping machine through multiple bolts, resulting in a cumbersome process for disassembling and replacing the stamping die, and it is inconvenient to install die fixing measures on the stamping machine to achieve rapid disassembly and replacement of the die.

[0017] The convenient push-pull rotating rod is installed on the mold bearing plate through a bearing to carry the push-pull moving plate. The convenient push-pull moving plate moves back and forth carrying the stamping die block through thread engagement, solving the problem that there are no measures for pushing and pulling the stamping die on the stamping machine, resulting in strenuous pushing and pulling during the disassembly and replacement process of the stamping die, and it is inconvenient to install push-pull measures on the stamping machine to push and pull the die. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is the front view structural schematic diagram of the present utility model.

[0019] Figure 2 is the schematic diagram of the disassembly of the components on the mold bearing plate of the present utility model.

[0020] Figure 3 is the schematic diagram of pulling out the stamping die block of the present utility model.

[0021] Figure 4 is the cross-sectional schematic diagram of the push-pull rotating rod of the present utility model.

[0022] Figure 5 is the cross-sectional schematic diagram of the clamping rotating rod of the present utility model.

[0023] Figure 6 is the position schematic diagram of the clamping rotating rod and the push-pull rotating rod of the present utility model.

[0024] In the figure: 1. Stamping machine body; 2. Stamping machine housing; 3. Mold bearing plate; 4. Clamping rotating rod; 5. Clamping moving plate; 6. Push-pull rotating rod; 7. Push-pull moving plate; 8. Bearing dovetail bar; 9. Stamping die block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] The following further describes the embodiments of the present invention in detail with reference to the drawings and embodiments.

[0026] Embodiment 1:

[0027] As Figures 1 to 6 shown:

[0028] The present embodiment provides a punching machine which is convenient for replacing molds, including a punching machine body 1; the punching machine body 1 is provided with a punching machine shell 2 in the up and down direction, which is convenient for carrying various components; a mold bearing plate 3 in the left and right directions is provided in the middle of the front of the punching machine shell 2, which is convenient for carrying various components; dovetail grooves that penetrate front and back are provided on the left and right sides of the top end surface of the mold bearing plate 3, which is convenient for inserting and installing the dovetail strip 8; a push-pull strip groove in the front and back direction is provided in the middle of the top end surface of the mold bearing plate 3, which is convenient for inserting the push-pull rotating rod 6 and the push-pull movable plate 7; bearing holes that penetrate front and back are provided on the front and rear walls of the push-pull strip groove of the mold bearing plate 3, which is convenient for installing the push-pull rotating rod 6 through the bearing; the top end surfaces of the front and rear walls of the push-pull strip groove of the mold bearing plate 3 are provided with matching grooves that penetrate front and back, which is convenient for inserting the push-pull movable plate 7 flush; a clamping strip groove in the left and right directions is provided in the middle of the top end surface of the mold bearing plate 3, which is convenient for inserting the clamping rotating rod 4 and the clamping movable plate 5; the mold bearing plate The lower parts of the left and right walls of the clamping strip groove 3 are provided with left and right fixing holes that penetrate through, which is convenient for the clamping and rotating rod 4 to be installed by bearings. The clamping and rotating rods 4 in the left and right directions are installed between the fixing holes of the mold bearing plate 3 through bearings, which is convenient for the clamping and rotating rod 4 to rotate. The outer circumferences on the left and right sides of the clamping and rotating rod 4 are provided with threads with opposite rotation directions, which is convenient for the clamping and moving plate 5 to move inward and outward synchronously through thread engagement and adjustment. The left and right end faces of the clamping and rotating rod 4 are provided with fixing columns, which is convenient for installation through bearings. The outer end faces of the fixing columns of the clamping and rotating rod 4 are provided with regular hexagonal prisms, which is convenient for rotation and adjustment through tools. The outer circumferences on the left and right sides of the clamping and rotating rod 4 are provided with clamping and moving plates 5 in the upper and lower directions through threads, which is convenient for the clamping and moving plates 5 to move inward and outward synchronously through thread engagement and adjustment. The lower end of the clamping and moving plate 5 is provided with left and right threaded holes that penetrate through, which is convenient for the clamping and rotating rod 4 to be installed by threads. The upper end of the inner end face of the clamping and moving plate 5 is provided with an insertion block, which is convenient for inserting into the rectangular groove of the stamping die block 9.

[0029] Among them, a push-pull rotating rod 6 in the front-back direction is installed between the bearing holes of the mold carrier plate 3 through bearings, facilitating the rotation adjustment of the push-pull rotating rod 6. Threads are provided on the outer circumference of the push-pull rotating rod 6, facilitating the installation of the push-pull moving plate 7 through the threads. Fixed columns are provided at both the front and rear end faces of the push-pull rotating rod 6, facilitating the installation through bearings. A regular hexagonal prism is provided at the front end of the push-pull rotating rod 6, facilitating the rotation adjustment through tools. A push-pull moving plate 7 in the front-back direction is installed on the outer circumference of the push-pull rotating rod 6 through threads, facilitating the front-back movement of the push-pull moving plate 7 through thread engagement. A carrier plate in the front-back direction is provided in the middle of the push-pull moving plate 7, facilitating the loading of the stamping die block 9. A vertical plate with a front-back through threaded hole is provided at the rear of the bottom end face of the carrier plate of the push-pull moving plate 7, facilitating the installation of the push-pull rotating rod 6 through threads. Push-pull plates in the left-right direction are provided at both the front and rear ends of the top end face of the carrier plate of the push-pull moving plate 7, facilitating the pushing and pulling of the stamping die block 9. Through holes penetrating up and down are provided at both the left and right ends of the push-pull plates of the push-pull moving plate 7, facilitating the fixing bolts of the load-bearing dovetail bars 8 to pass through. Load-bearing dovetail bars 8 in the front-back direction are installed at both the left and right ends of the bottom of the push-pull plates of the push-pull moving plate 7 through bolts, facilitating the dispersion of the load-bearing force of the push-pull moving plate 7. Threaded blind holes are provided at both the front and rear ends of the top end face of the load-bearing dovetail bars 8, facilitating the installation of the push-pull moving plate 7 through bolts. A stamping die block 9 in the left-right direction is placed in the middle of the top end face of the carrier plate of the push-pull moving plate 7, facilitating the front-back movement of the stamping die block 9 carried thereon. Rectangular grooves are provided in the upper middle parts of both the left and right end faces of the stamping die block 9, facilitating the insertion blocks of the clamping moving plate 5 to be inserted for fixation.

[0030] Specific usage method and function of this embodiment:

[0031] In the present utility model, when the stamping die block 9 is disassembled, the clamping rotating rod 4 and the clamping moving plate 5 are rotated through tools and thread-engaged, so that the clamping moving plate 5 moves outward synchronously through thread engagement, and the insertion block of the clamping moving plate 5 disengages from the inside of the rectangular groove of the stamping die block 9, thereby releasing the clamping fixation of the clamping moving plate 5 on the stamping die block 9. Then, the push-pull rotating rod 6 and the push-pull moving plate 7 are rotated through tools and thread-engaged, so that the push-pull moving plate 7 moves forward through thread engagement. The load-bearing dovetail bar 8 is driven by the push-pull moving plate 7 to move forward synchronously. The load-bearing force of the push-pull moving plate 7 is dispersed through the load-bearing dovetail bar 8. The stamping die block 9 is carried by the push-pull moving plate 7 and the load-bearing dovetail bar 8 to move forward synchronously, and the state is as Figure 3 shown, thereby realizing the pulling out of the stamping die block 9. Conversely, the operation is the pushing-in operation of the stamping die block 9.

[0032] Embodiment 2:

[0033] The difference from the first embodiment is that the regular hexagonal prism of the clamping and rotating rod 4 can also be set as a regular heptagonal prism, so that the clamping and rotating rod 4 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff members from rotating and adjusting the clamping and rotating rod 4.

[0034] Embodiment Three:

[0035] The difference from the first embodiment is that the regular hexagonal prism of the push-pull rotating rod 6 can also be set as a regular heptagonal prism, so that the push-pull rotating rod 6 can only be rotated by a special tool that cooperates with the regular heptagonal prism, preventing non-staff members from rotating and adjusting the push-pull rotating rod 6.

Claims

1. A punching machine that is easy to replace the die, characterized in that: The punching machine body (1) comprises a punching machine housing (2), a mold bearing plate (3) is arranged in the middle of the front of the punching machine housing (2), dovetail grooves are provided on both sides of the top end surface of the mold bearing plate (3) and are connected to each other from front to back, a push-pull strip groove is provided in the middle of the top end surface of the mold bearing plate (3) and is connected to each other from front to back, bearing holes are provided on the front and rear walls of the push-pull strip groove of the mold bearing plate (3) and are connected to each other from front to back, matching grooves are provided on the top end surfaces of the front and rear walls of the push-pull strip groove of the mold bearing plate (3) and are connected to each other from front to back, and a clamping strip groove is provided in the middle of the top end surface of the mold bearing plate (3) and is connected to each other from left to right. The lower parts of the left and right walls of the clamping strip groove of the mold carrier plate (3) are provided with fixing holes that penetrate left and right. A clamping rotating rod (4) is installed between the fixing holes of the mold carrier plate (3) through bearings. The outer circumferences of the left and right sides of the clamping rotating rod (4) are provided with threads with opposite rotation directions. The left and right end faces of the clamping rotating rod (4) are provided with fixing columns. The outer end faces of the fixing columns of the clamping rotating rod (4) are provided with regular hexagonal prisms. The outer circumferences of the left and right sides of the clamping rotating rod (4) are provided with clamping movable plates (5) through threads. The lower end of the clamping movable plate (5) is provided with a threaded hole that penetrates left and right. The upper end of the inner end face of the clamping movable plate (5) is provided with an insertion block.

2. The punching machine according to claim 1, characterized in that: A push-pull rotating rod (6) is installed between the bearing holes of the mold bearing plate (3) via a bearing, and a thread is provided on the outer circumference of the push-pull rotating rod (6).

3. The punching machine according to claim 2, characterized in that: The front and rear end surfaces of the push-pull rotating rod (6) are both provided with fixing columns, and the front end of the push-pull rotating rod (6) is provided with a regular hexagonal prism.

4. The punching machine according to claim 3, characterized in that: The push-pull rotating rod (6) is provided with a push-pull movable plate (7) on its outer circumference via threads, a bearing plate in the front-to-back direction is provided in the middle of the push-pull movable plate (7), and a vertical plate with front-to-back threaded holes is provided behind the bottom end surface of the bearing plate of the push-pull movable plate (7).

5. The punching machine according to claim 4, characterized in that: The front and rear ends of the top end face of the bearing plate of the push-pull movable plate (7) are both provided with push-pull plates in the left and right directions, and the left and right ends of the push-pull plates of the push-pull movable plate (7) are both provided with through holes penetrating up and down.

6. The punching machine according to claim 5, characterized in that: The bottom of the left and right ends of the push-pull movable plate (7) are both installed with load-bearing dovetail strips (8) by bolts, and the front and rear ends of the top end surface of the load-bearing dovetail strip (8) are both provided with threaded blind holes.

7. The punching machine according to claim 6, characterized in that: A punching die block (9) is placed in the middle of the top end surface of the bearing plate of the push-pull movable plate (7), and rectangular grooves are provided in the middle upper parts of the left and right end surfaces of the punching die block (9).

Images