Precise punching equipment for limiting block

Abstract

The precise punching equipment comprises a base, the top of the base is sequentially and fixedly connected with a left fixing table, a spring table, a middle fixing table, a sliding table, a right fixing table and a supporting column from left to right, a cylindrical cam is arranged above the supporting column, an annular sliding groove is formed in the circumferential face of the cylindrical cam, and the annular sliding groove is communicated with the spring table. A rolling ball is slidably connected into the annular sliding groove, the rolling ball is fixedly connected with an L-shaped supporting rod, and a vertical rod of the L-shaped supporting rod is fixedly connected with a limiting rod. The long-strip iron block cutting device is provided with the cylindrical cam, the second driving motor, the L-shaped supporting rod, the cutting blade and the limiting rod, the cylindrical cam is driven by the second driving motor to rotate, due to the fact that the limiting rod limits the L-shaped supporting rod, the cylindrical cam can drive the L-shaped supporting rod to move up and down, the cutting blade moves up and down and cuts a long-strip iron block, and the long-strip iron block is cut through the cutting blade. And the punched part of the long-strip iron block is cut into limiting blocks one by one.

Description

Technical Field

[0001] The utility model relates to the technical field of precision punching, in particular to a precision punching device for a limit block. Background Art

[0002] The limit block is an "iron block" that limits the position. The limit block is fixed to the relevant part of the machine tool with screws to control the stroke. There are fixed and adjustable types. The placement of the limit block varies depending on the machine tool. Most of them are placed near the machine tool guide rail. When the slide hits the limit block, the cutting position (length, depth, etc.) is fixed. There are also some placed near the feed mechanism, such as vertical drilling, with a limit block near the feed handle to control the drilling depth.

[0003] In the prior art, a few limit hole punching devices have relatively low working efficiency and cannot realize fully automatic punching. Most of the punching work of the limit block relies on manual punching, which is inefficient and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a precise punching device for limit blocks, which can punch and cut long iron blocks, thereby processing the long iron blocks into limit blocks, and can automatically punch holes quickly and accurately, reducing manpower and improving work efficiency.

[0005] To achieve the above-mentioned purpose, a limit block precision punching device is provided, comprising: a base, a left fixed platform, a spring platform, a middle fixed platform, a sliding platform, a right fixed platform and a support column are fixedly connected to the top of the base from left to right in sequence, a cylindrical cam is arranged above the support column, an annular slide groove is opened on the circumferential surface of the cylindrical cam, a rolling ball is slidably connected in the annular slide groove, the rolling ball is fixedly connected to an L-shaped support rod, the vertical rod of the L-shaped support rod is fixedly connected to the limit rod, the lower end of the L-shaped support rod is fixedly connected to a first driving motor, the driving end of the first driving motor is fixedly connected to a cutting blade, a connecting rod is arranged above the middle fixed platform, a push rod is arranged on the right side of the bottom of the connecting rod, and the connecting rod and the push rod are rotatably connected through a torsion spring, a vertical limit groove is arranged on the left circumferential surface of the support column, the limit rod is slidably connected to the vertical limit groove, a second driving motor is fixedly connected to the inside of the support column, and the driving end of the second driving motor is fixedly connected to the central axis of the cylindrical cam.

[0006] According to the described precise punching equipment for a limit block, a punching machine is arranged above the base, and the punching head of the punching machine is located directly above the spring platform, and the punching machine is used to punch holes in the long iron block.

[0007] According to the described device for precise punching of a limit block, a spring is arranged inside the spring platform, a push block is fixedly connected to the top of the spring, and the spring and the push block are used to push away the residual block after punching.

[0008] According to the described precise punching device for a limiting block, a long iron block is arranged on the left fixed platform, and the long iron block extends to the right fixed platform, and a plurality of limiting holes are opened at the right end of the long iron block.

[0009] According to the described precise punching equipment for limit blocks, the cutting blade is located at the upper right of the right fixed platform, and the cutting blade is located between two limit holes, and the cutting blade divides the punched long iron block into limit blocks.

[0010] According to the described precise punching equipment with a limit block, the push rod is located above the slide, and the bottom end of the push rod is located directly above the limit hole. The push rod is used to pull the long iron block to assist the punching machine in punching.

[0011] Beneficial effects:

[0012] 1. The utility model is provided with a cylindrical cam, a second driving motor, an L-shaped support rod, a cutting blade and a limiting rod. The cylindrical cam is driven to rotate by the second driving motor. Since the limiting rod limits the L-shaped support rod, the cylindrical cam drives the L-shaped support rod to move up and down, so that the cutting blade moves up and down and cuts the long iron block, thereby realizing the cutting of the part of the long iron block that has been punched and dividing it into limiting blocks.

[0013] 2. The utility model is provided with a slide, a connecting rod, a torsion spring and a push rod. The connecting rod moves downward with the punching machine, and the push rod is first inserted into the limiting hole below. At this time, the push rod continues to move to the lower right along the surface of the slide, and the long iron block will be pulled to the right to one end. At this time, the punching machine will be pressed on the surface of the long iron block to be punched, the connecting rod moves up, the push rod removes the limiting hole, and is rebounded to the left tilted state by the torsion spring, thereby realizing the automatic pushing of the long iron block, so that the punching machine can punch the long iron block to be processed every time.

[0014] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a front view of a precision punching device for a limit block according to the utility model;

[0017] Figure 2This is a schematic diagram of the overall structure of a precision punching device for a limit block according to the utility model;

[0018] Figure 3 This is a schematic diagram of the cylindrical cam structure of a precision punching device for a limit block of the utility model;

[0019] Figure 4 This is a schematic diagram of the push rod structure of a precision punching device for a limit block of the utility model;

[0020] Figure 5 for Figure 1 Enlarged view of point A in the middle.

[0021] Legend:

[0022] 1. Base; 2. Left fixed platform; 3. Spring platform; 4. Middle fixed platform; 5. Slide; 6. Right fixed platform; 7. Support column; 8. Cylindrical cam; 9. Annular slide; 10. Rolling ball; 11. L-shaped support rod; 12. Limit rod; 13. First drive motor; 14. Cutting blade; 15. Connecting rod; 16. Push rod; 17. Torsion spring; 18. Vertical limit groove; 19. Second drive motor; 20. Punch press; 21. Spring; 22. Push block; 23. Long iron block; 24. Limit hole. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-5The utility model embodiment is a limit block precision punching device, which includes: a base 1, the top of the base 1 is fixedly connected with a left fixed platform 2, a spring platform 3, a middle fixed platform 4, a sliding platform 5, a right fixed platform 6 and a support column 7 from left to right, a cylindrical cam 8 is arranged above the support column 7, the rotation of the cylindrical cam 8 will make the ball 10 slide, at this time the L-shaped support rod 11 will drive the cutting blade 14 to move up and down, an annular groove 9 is opened on the circumferential surface of the cylindrical cam 8, the ball 10 will slide in the annular groove 9, the annular groove 9 is slidably connected with the ball 10, and the ball 10 is fixedly connected with the L-shaped The support rod 11, the vertical rod of the L-shaped support rod 11 is fixedly connected to the limit rod 12, and the L-shaped support rod 11 can only move up and down through the limit rod 12. The lower end of the L-shaped support rod 11 is fixedly connected to the first drive motor 13, and the first drive motor 13 will drive the cutting blade 14 to rotate. When the L-shaped support rod 11 moves downward, it will indirectly drive the cutting blade 14 to move downward and cut the long iron block 23, and cut the punched part into a limit block. The driving end of the first drive motor 13 is fixedly connected to the cutting blade 14, and the cutting blade 14 is located at the upper right of the right fixed platform 6, and the cutting blade 14 is located between the two limit holes 24.

[0025] A connecting rod 15 is provided above the middle fixed table 4, through which the push rod 16 is connected to the punching machine 20. A push rod 16 is provided on the right side of the bottom of the connecting rod 15. When the punching machine 20 moves down, the push rod 16 will be inserted into the limiting hole 24 on the left and contact with the surface of the slide 5, and continue to move down. The push rod 16 moves to the lower right along the slide 5, and pulls the limiting hole 24 from the left to the right. At this time, the long iron block 23 is pulled to the right to a certain distance, and the position where the punching is completed below the punching machine 20 will also move to the right, and the connecting rod 15 and the push rod 16 are rotatably connected through the torsion spring 17. When the push rod 16 After being pulled out from the limiting hole 24, the torsion spring 17 will bounce the push rod 16 back to the inclined state. The push rod 16 is located above the slide 5, and the bottom end of the push rod 16 is located directly above the limiting hole 24. A vertical limiting groove 18 is provided on the left circumferential surface of the support column 7. The limiting rod 12 will slide up and down in the vertical limiting groove 18. The limiting rod 12 is slidably connected to the vertical limiting groove 18. A second drive motor 19 is fixedly connected to the inside of the support column 7, and the cylindrical cam 8 is driven to rotate by the second drive motor 19, and the driving end of the second drive motor 19 is fixedly connected to the central axis of the cylindrical cam 8.

[0026] A long iron block 23 is arranged on the left fixed platform 2. The long iron block 23 is the processing raw material of the limit block. The long iron block 23 is mounted on the left fixed platform 2, the middle fixed platform 4 and the right fixed platform 6, and the long iron block 23 extends to the right fixed platform 6. A plurality of limit holes 24 are opened at the right end of the long iron block 23. The limit holes 24 are punched by a punching machine 20. A punching machine 20 is arranged above the base 1. The surface of the long iron block 23 is punched by the punching machine 20. When the punching machine 20 reaches the surface of the long iron block 23 and presses down, the push rod 16 just slides to the right side of the slide 5 and moves downward in a vertical state. The punching head of the punching machine 20 is located directly above the spring platform 3. A spring 21 is arranged inside the spring platform 3. A push block 22 is fixedly connected to the top of the spring 21. The spring platform 3 pushes out the punched residual block through the spring 21 and the push block 22.

[0027] Working principle: When punching, the punching machine 20 moves down, the cutting blade 14 moves up, the push rod 16 is inserted into the limiting hole 24 on the left, and moves to the lower right along the slide 5, pulling the limiting hole 24 from the left to the right. At this time, the long iron block 23 is pulled to the right to a certain distance, and the position where the punching is completed below the punching machine 20 will also move to the right. After the punching is completed, the punching machine 20 moves up, and the spring table 3 pushes the remaining block out through the spring 21 and the push block 22. The cutting blade 14 moves down to cut the long iron block 23. After the push rod 16 is pulled out of the limiting hole 24, the push rod 16 rebounds to the tilted left state through the torsion spring 17, and is above the limiting hole 24 on the left.

[0028] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A precision punching device for a limit block, comprising: The base (1) is characterized in that the top of the base (1) is fixedly connected with a left fixed platform (2), a spring platform (3), a middle fixed platform (4), a sliding platform (5), a right fixed platform (6) and a support column (7) in sequence from left to right, a cylindrical cam (8) is arranged above the support column (7), an annular sliding groove (9) is provided on the circumferential surface of the cylindrical cam (8), a rolling ball (10) is slidably connected in the annular sliding groove (9), the rolling ball (10) is fixedly connected with an L-shaped support rod (11), the vertical rod of the L-shaped support rod (11) is fixedly connected with a limit rod (12), and the lower end of the L-shaped support rod (11) is fixedly connected with a first drive motor ( 13), the driving end of the first driving motor (13) is fixedly connected with a cutting blade (14), a connecting rod (15) is arranged above the middle fixed platform (4), a push rod (16) is arranged on the right side of the bottom of the connecting rod (15), and the connecting rod (15) and the push rod (16) are rotatably connected through a torsion spring (17), a vertical limit groove (18) is arranged on the left circumferential surface of the support column (7), the limit rod (12) is slidably connected with the vertical limit groove (18), a second driving motor (19) is fixedly connected inside the support column (7), and the driving end of the second driving motor (19) is fixedly connected with the central axis of the cylindrical cam (8).

2. A limit block precision punching device according to claim 1, characterized in that: A punching machine (20) is arranged above the base (1), and a punching head of the punching machine (20) is located directly above the spring platform (3).

3. The precise punching device for a limit block according to claim 1, characterized in that: A spring (21) is arranged inside the spring platform (3), and a push block (22) is fixedly connected to the top of the spring (21).

4. The precise punching device for a limit block according to claim 1, characterized in that: A long iron block (23) is arranged on the left fixed platform (2), and the long iron block (23) extends to the right fixed platform (6), and a plurality of limiting holes (24) are opened at the right end of the long iron block (23).

5. The precise punching device for a limit block according to claim 1, characterized in that: The cutting blade (14) is located at the upper right side of the right fixed platform (6), and the cutting blade (14) is located between the two limiting holes (24).

6. The precise punching device for a limit block according to claim 1, characterized in that: The push rod (16) is located above the slide table (5), and the bottom end of the push rod (16) is located directly above the limiting hole (24).

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