CN115608846A

CN115608846A - Machining punching machine

Info

Publication number: CN115608846A
Application number: CN202211545894.3A
Authority: CN
Inventors: 隗茂虎; 苗文婧
Original assignee: Shandong Engineering Vocational and Technical University
Current assignee: Shandong Engineering Vocational and Technical University
Priority date: 2022-12-05
Filing date: 2022-12-05
Publication date: 2023-01-17
Anticipated expiration: 2042-12-05
Also published as: CN115608846B

Abstract

The invention is suitable for the technical field of punching, and provides a machining punching machine, which comprises: the stamping device comprises a support frame and a stamping platform positioned on the support frame; the punching assembly is arranged on the support frame through the control box, and the support frame is also provided with a telescopic piece for driving the control box to move; the feeding mechanism is arranged on the support frame and is connected with the control box; the punching assembly comprises a primary punch, a secondary punch, a tertiary punch, a first pressing block, a second pressing block and a third pressing block, the first pressing block is arranged in the control box, the first pressing block is connected with the primary punch through a first connecting frame, the secondary punch is sleeved on the primary punch, the secondary punch is connected with the second pressing block through a second connecting frame, the second connecting frame is erected on the first connecting frame, and the tertiary punch is sleeved on the secondary punch.

Description

Machining punching machine

Technical Field

The invention relates to the technical field of punching, in particular to a machining punching machine.

Background

The punching machine is a mechanical device which completes punching by applying a punching die on a material under the driving of a power mechanism after the raw material is installed, and can perform operations of forcing metal to enter the die, such as sheet processing, punching, die pressing, embossing and the like.

In machining, can meet the condition that needs processing different diameter holes on rectangular shape steel sheet, the most structure of current machining piercing press is comparatively traditional, and the drift size is fixed, needs to change multiple drift or piercing press just can satisfy the processing demand, wastes time and energy, influences machining efficiency, still easily leads to the clearance inconsistent that punches, can not satisfy special processing demand, influences processingquality. Therefore, in view of the above situation, it is urgently needed to provide a machining punching machine to overcome the shortcomings in the current practical application.

Disclosure of Invention

The invention aims to provide a machining punching machine, and aims to solve the problems in the technical background.

The present invention is achieved as such, a machining punch comprising:

the stamping device comprises a support frame and a stamping platform positioned on the support frame;

the punching assembly is arranged on the support frame through the control box, and the support frame is also provided with a telescopic piece for driving the control box to move; and

the feeding mechanism is arranged on the support frame and is connected with the control box;

wherein the punching component comprises a first-stage punch, a second-stage punch, a third-stage punch, a first pressing block, a second pressing block and a third pressing block, wherein the first pressing block is installed in the control box, the first pressing block and the first-stage punch are connected through a first connecting frame, the second-stage punch is sleeved on the first-stage punch, the second-stage punch and the second pressing block are connected through a second connecting frame, the second connecting frame is erected on the first connecting frame, the third-stage punch is sleeved on the second-stage punch, the third-stage punch and the third pressing block are connected through a third connecting frame, the third pressing block is erected on the second connecting frame, and a control component for selectively fixing the second pressing block and the third pressing block is further arranged in the control box.

Compared with the prior art, the invention has the following beneficial effects:

the second connecting frame is erected on the first connecting frame, after the control assembly fixes the second pressing block, the second-stage punch and the first-stage punch can synchronously work, so that the second-stage punch and the first-stage punch are combined into a punch with the diameter larger than that of the first-stage punch, the third pressing block is erected on the second connecting frame, after the control assembly fixes the third pressing block, the second-stage punch, the first-stage punch and the third-stage punch synchronously work, so that the second-stage punch, the first-stage punch and the third-stage punch are combined into a punch with the diameter larger than that of the second-stage punch, the size of the punch is adjusted, and the steel plate to be processed can be punched without replacing the punch or a punching machine; feed mechanism treats the mode that the processing steel sheet moved on the punching press bench through the drive, can realize treating punching a hole of treating different positions on the processing steel sheet, still be convenient for guarantee the distance between punching a hole simultaneously, thereby improve machining efficiency, the drift subassembly through with control assembly and feed mechanism matched with mode, it is comparatively traditional to have avoided the most structure of current machining piercing press, the drift size is fixed, need to change multiple drift or piercing press just can satisfy the processing demand, waste time and energy, influence machining efficiency, still easily lead to the clearance inconsistency of punching, can not satisfy special processing demand, influence processingquality's problem.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic sectional structural diagram of a control box in an embodiment of the present invention.

Fig. 3 is a schematic top view of a punch assembly according to an embodiment of the present invention.

Fig. 4 is a schematic bottom view of a punch assembly according to an embodiment of the present invention.

FIG. 5 is a schematic cross-sectional view of a pusher member in an embodiment of the invention.

In the drawings: 1-supporting frame, 2-sliding rod, 3-connecting pipe, 4-control box, 5-traction rod, 6-adjusting rod, 7-driving rod, 8-mounting frame, 9-first driving component, 10-telescopic piece, 11-second driving component, 12-three-stage punch, 13-pushing wheel, 14-punching table, 15-rotating shaft, 16-rotating pipe, 17-first pressing frame, 18-second pressing frame, 19-first pressing block, 20-second pressing block, 21-third pressing block, 22-two-stage punch, 23-first-stage punch, 24-spring, 25-fixing screw, 26-third connecting frame, 27-second connecting frame and 28-first connecting frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

Referring to fig. 1 to 5, a machining punch according to an embodiment of the present invention includes:

the device comprises a support frame 1 and a stamping platform 14 positioned on the support frame 1;

the punching assembly is arranged on the support frame 1 through the control box 4, and the support frame 1 is also provided with an expansion piece 10 for driving the control box 4 to move; and

the feeding mechanism is arranged on the support frame 1, is connected with the control box 4 and is used for pushing the steel plate to be processed to move on the stamping table 14;

wherein the punching assembly comprises a first-stage punch 23, a second-stage punch 22, a third-stage punch 12, a first pressing block 19, a second pressing block 20 and a third pressing block 21, the first pressing block 19 is installed in the control box 4, the first pressing block 19 and the first-stage punch 23 are connected through a first connecting frame 28, the second-stage punch 22 is sleeved on the first-stage punch 23, the second-stage punch 22 and the second pressing block 20 are connected through a second connecting frame 27, the second connecting frame 27 is erected on the first connecting frame 28, the third-stage punch 12 is sleeved on the second-stage punch 22, the third-stage punch 12 and the third pressing block 21 are connected through a third connecting frame 26, the third pressing block 21 is erected on the second connecting frame 27, and a control assembly used for selectively fixing the second pressing block 20 and the third pressing block 21 is further arranged in the control box 4.

In the embodiment of the present invention, the second connecting frame 27 is erected on the first connecting frame 28, after the control component fixes the second pressing block 20, the secondary punch 22 and the primary punch 23 will work synchronously, so that the secondary punch 22 and the primary punch 23 combine into a punch with a diameter larger than that of the primary punch 23, and the third pressing block 21 is erected on the second connecting frame 27, after the control component fixes the third pressing block 21, the secondary punch 22, the primary punch 23 and the tertiary punch 12 will work synchronously, so that the secondary punch 22, the primary punch 23 and the tertiary punch 12 combine into a punch with a diameter larger than that of the secondary punch 22, thereby realizing adjustment of the punch size, and realizing punching processing of the steel plate to be processed without replacing the punches or the punching machine, specifically, placing the steel plate to be processed on the punching table 14 during processing, the telescopic piece 10 drives the control box 4 to move towards one side of the punching table 14, and is matched with the control assembly to fix the third pressing block 21, or the control assembly fixes the second pressing block 20, or the control assembly does not fix the third pressing block 21 and the second pressing block 20, so that the size of the punch is adjusted, punches holes on steel plates to be processed with punches of different sizes are realized, and further the processing requirements are met, the feeding mechanism can realize the punching of different positions on the steel plates to be processed by driving the steel plates to be processed to move on the punching table 14, and simultaneously the distance between the punched holes is convenient to ensure, so that the processing efficiency is improved, and the punch assembly is matched with the control assembly and the feeding mechanism, so that the problems that most of the existing mechanical processing punching machines are more traditional in structure, the size of the punch is fixed, and the processing requirements can be met only by replacing various punches or punching machines are avoided, waste time and energy, influence machining efficiency, still easily lead to the clearance inconsistent that punches, can not satisfy special processing demand, influence processingquality's problem.

In an embodiment of the present invention, referring to fig. 1 to fig. 3, the control assembly includes a first driving assembly 9, a second driving assembly 11, a rotating shaft 15, a rotating tube 16, a first pressing frame 17 and a second pressing frame 18, the first pressing frame 17 is in rotational fit with the control box 4 through the rotating tube 16, the first driving assembly 9 is configured to drive the rotating tube 16 to rotate, the rotating shaft 15 penetrates through the rotating tube 16, one end of the rotating shaft 15 is mounted on the control box 4 through a supporting plate, the other end of the rotating shaft 15 is connected to the second pressing frame 18, and the second driving assembly 11 is connected to the rotating shaft 15;

the first driving assembly 9 and the second driving assembly 11 both comprise a driving motor, a belt wheel and a transmission belt;

the first pressing frame 17 and the second pressing frame 18 are both U-shaped structures.

In the present embodiment, the first pressing frame 17 is used to fix the second compact 20, the second pressing frame 18 is used to fix the third compact 21, when the first pressing frame 17 and the second pressing frame 18 are in the initial positions (the initial positions are shown in fig. 2), the second compact 20 and the third compact 21 can be fixed, so that the tertiary punch 12, the secondary punch 22 and the primary punch 23 can all move along with the control box 4, at this time, the punch size is maximum, when the first pressing frame 17 and the second pressing frame 18 rotate 90 degrees (rotate from the initial positions), the first pressing frame 17 is separated from the second compact 20, the second pressing frame 18 is separated from the third compact 21, only the primary punch 23 can move along with the control box 4, at this time, the punch size is minimum, only when the second pressing frame 18 rotates 90 degrees (rotate from the initial positions), the second pressing frame 18 is separated from the third compact 21, only the secondary punch 22 and the primary punch 23 can move along with the control box 4, at this time, the punch size of the secondary punch 22 is the diameter of the secondary punch 22 is the secondary punch 22; the inner cavity of the control box 4 is a circular structure, so that the first pressing frame 17 and the second pressing frame 18 can rotate in the control box 4 conveniently, and the driving motor can be a servo motor or a stepping motor.

In an embodiment of the present invention, please refer to fig. 1 and 5, the feeding mechanism includes a mounting frame 8, a driving rod 7, a traction rod 5 and a pushing member, the mounting frame 8 is mounted on the supporting frame 1, the driving rod 7 is in running fit with the mounting frame 8, the traction rod 5 is in running fit with the control box 4, the traction rod 5 is in running fit with one end of the driving rod 7, and the other end of the driving rod 7 is connected with the pushing member;

the pushing piece comprises an adjusting rod 6, a connecting pipe 3 and a sliding rod 2, the adjusting rod 6 is installed on the driving rod 7, one end of the connecting pipe 3 is in sliding fit with the adjusting rod 6, the other end of the connecting pipe 3 is connected with the sliding rod 2 through a spring 24, a fixing screw 25 used for fixing the adjusting rod 6 is further arranged on the connecting pipe 3, and the pushing wheel 13 is installed at one end, far away from the connecting pipe 3, of the sliding rod 2.

In this embodiment, a ratchet mechanism is disposed at a connection position of the push wheel 13 and the slide rod 2, so that the push wheel 13 can only rotate in one direction, an anti-slip layer is disposed on the surface of the push wheel 13, the control box 4 can drive the pull rod 5 to move by moving to one side of the punching table 14, so that the pull rod 5 pulls the drive rod 7 to rotate on the mounting frame 8, thereby driving the pushing member mounted on the drive rod 7 to rotate around the connection position of the drive rod 7 and the mounting frame 8, the pushing wheel 13 mounted on the slide rod 2 can be pressed onto the steel plate to be processed by the elastic action of the spring 24, at this time, the push wheel 13 cannot rotate on the steel plate to be processed, thereby pushing the steel plate to be processed to move on the punching table 14, when the control box 4 moves to the side far away from the punching table 14, the pushing member moves to an initial position (the initial position is shown in fig. 1), at this time, the push wheel 13 can rotate on the steel plate to be processed, the steel plate to not be processed can be driven to move, thereby realizing unidirectional feeding, and the adjustment of the adjustment rod 6 can slide in the connection pipe 3, thereby adjusting the contact time of the feeding distance between the push wheel 13 and the steel plate to be processed.

In one embodiment of the present invention, referring to fig. 1, the driving rod 7 is an L-shaped structure;

the mounting frame 8 is of a T-shaped structure.

In an embodiment of the present invention, please refer to fig. 1, the telescopic members 10 are provided with a plurality of sets, and the telescopic members 10 are hydraulic cylinders; the arrangement of the plurality of groups of telescopic pieces 10 can improve the stability of the control box 4 during movement, thereby improving the processing quality.

In summary, the working principle of the invention is as follows: the second connecting frame 27 is erected on the first connecting frame 28, when the control assembly fixes the second pressing block 20, the second-stage punch 22 and the first-stage punch 23 work synchronously, so that the second-stage punch 22 and the first-stage punch 23 are combined into a punch with a diameter larger than that of the first-stage punch 23, the third pressing block 21 is erected on the second connecting frame 27, when the control assembly fixes the third pressing block 21, the second-stage punch 22, the first-stage punch 23 and the third-stage punch 12 work synchronously, so that the second-stage punch 22, the first-stage punch 23 and the third-stage punch 12 are combined into a punch with a diameter larger than that of the second-stage punch 22, so that the size of the punch is adjusted, and the steel plate to be processed can be punched without replacing the punches or a punching machine, specifically, the steel plate to be processed is firstly placed on the punching table 14, the telescopic piece 10 drives the control box 4 to move towards one side of the punching table 14 and is matched with the control assembly to fix the third pressing block 21, or the control assembly fixes the second pressing block 20, or the control assembly fixes the third pressing block 21 and the second pressing block 20, so that the punch can be processed in a non-fixed manner, so that the size of the punch of the steel plate to be processed can be processed, and the punch size of the steel plate to be adjusted, and the steel plate to be processed;

the first pressing frame 17 is used for fixing the second pressing block 20, the second pressing frame 18 is used for fixing the third pressing block 21, when the first pressing frame 17 and the second pressing frame 18 are at initial positions (the initial positions are shown in fig. 2), the second pressing block 20 and the third pressing block 21 can be fixed, so that the three-stage punch 12, the two-stage punch 22 and the one-stage punch 23 can all move along with the control box 4, the size of the punch is the largest, when the first pressing frame 17 and the second pressing frame 18 rotate 90 degrees (rotate from the initial positions), the first pressing frame 17 is separated from the second pressing block 20, the second pressing frame 18 is separated from the third pressing block 21, only the one-stage punch 23 can move along with the control box 4, the size of the punch is the smallest, only when the second pressing frame 18 rotates 90 degrees (rotate from the initial positions), the second pressing frame 18 is separated from the third pressing block 21, only the two-stage punch 22 and the one-stage punch 23 can move along with the control box 4, and the size of the second pressing frame 18 is the diameter of the second punch 22;

the control box 4 can drive the traction rod 5 to move in a mode of moving towards one side of the punching table 14, so that the traction rod 5 pulls the driving rod 7 to rotate on the mounting frame 8, the pushing piece arranged on the driving rod 7 is driven to rotate by taking the joint of the driving rod 7 and the mounting frame 8 as a center, the pushing wheel 13 arranged on the sliding rod 2 can be pressed onto a steel plate to be processed under the elastic action of the spring 24, at the moment, the pushing wheel 13 cannot rotate on the steel plate to be processed, the steel plate to be processed is pushed to move on the punching table 14, when the control box 4 moves towards the side far away from the punching table 14, the pushing piece moves towards the initial position (the initial position is shown in the attached drawing 1), at the moment, the pushing wheel 13 can rotate on the steel plate to be processed, the steel plate to be processed cannot be driven to move, the unilateral feeding is realized, the rotating diameter of the pushing wheel 13 can be adjusted in a mode of sliding in the connecting pipe 3, the control over the contact time of the pushing wheel 13 and the steel plate to be processed is realized, and the feeding distance can be adjusted conveniently.

The above description is intended to be illustrative of the preferred embodiment of the present invention and should not be taken as limiting the invention, but rather, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

Claims

1. The utility model provides a machining piercing press, includes the support frame and is located the punching press platform on the support frame, its characterized in that still includes:

2. The machining punching machine according to claim 1, wherein the control assembly comprises a first driving assembly, a second driving assembly, a rotating shaft, a rotating pipe, a first pressing frame and a second pressing frame, the first pressing frame is in rotating fit with the control box through the rotating pipe, the first driving assembly is used for driving the rotating pipe to rotate, the rotating shaft penetrates through the rotating pipe, one end of the rotating shaft is mounted on the control box through a support plate, the other end of the rotating shaft is connected with the second pressing frame, and the second driving assembly is connected with the rotating shaft;

the first driving assembly and the second driving assembly respectively comprise a driving motor, a belt wheel and a transmission belt.

3. The machining punch of claim 2, wherein the first and second press frames are each of a U-shaped configuration.

4. The machining punch machine of claim 1, wherein the feed mechanism includes a mounting bracket mounted to the support frame, a drive rod rotatably engaged with the mounting bracket, a draw bar rotatably mounted to the control box, and a push member coupled to an end of the drive rod.

5. The machining punch machine according to claim 4, wherein the pushing member includes an adjusting lever, a connecting pipe and a sliding rod, the adjusting lever is mounted on the driving lever, one end of the connecting pipe is in sliding fit with the adjusting lever, the other end of the connecting pipe is connected with the sliding rod through a spring, a fixing screw for fixing the adjusting lever is further provided on the connecting pipe, and a pushing wheel is mounted on one end of the sliding rod away from the connecting pipe.

6. The machining punch as in claim 4, wherein the drive rod is of an L-shaped configuration;

the mounting rack is of a T-shaped structure.

7. The machining punch of claim 1, wherein the telescoping members are provided in a plurality of sets and the telescoping members are hydraulic cylinders.