Rack piercing device

Abstract

The utility model relates to sewing machine frame technical field, concretely is a frame punching device, including the box, its front side middle part is equipped with the bottom groove, the box is located the fixedly connected with collection mechanism in the inner top wall of bottom groove, the workbench is fixedly connected in the top end middle part of box, the top end middle part detachably connected with lower mould plate of workbench, gantry, two gantries are fixedly connected respectively in the both sides top end of workbench, and the top end between two gantries is provided with punching mechanism. The utility model discloses through the cooperation of collection box, pull -out board and pivot, has realized the quick, airtight cleaning of waste, solved the problem that the collection container cleaning operation is complicated, the labour intensity of big in prior art.

Description

Technical Field

[0001] This utility model relates to the field of sewing machine frame technology, specifically a frame punching device. Background Technology

[0002] Sewing machine frame stamping and forming technology is a key technological field combining traditional mechanical manufacturing with precision stamping processes. As the core structural component supporting the entire machine's operation, the sewing machine frame is typically made from sheet metal through stamping, and its quality directly affects the sewing machine's stability, accuracy, and lifespan. The core of this technology lies in the efficient and precise punching and forming of the stamping blank using a die to meet the frame's design requirements in terms of assembly, weight reduction, and functional integration.

[0003] In existing technology, the waste generated by stamping falls into a collection container under the workbench. Cleaning often requires pulling it out completely or using tools to remove it, which is cumbersome. This cleaning method increases the labor intensity of operators, especially on production lines that require frequent cleaning. Utility Model Content

[0004] The purpose of this invention is to provide a frame punching device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A rack punching device, comprising

[0007] The box has a bottom groove in the middle of its front side, and a collection mechanism is fixedly connected to the inner top wall of the bottom groove.

[0008] A workbench is fixedly connected to the top center of the box body, and a lower template is detachably connected to the top center of the workbench.

[0009] The two gantry frames are fixedly connected to the top of the two sides of the workbench, and a drilling mechanism is provided between the top of the two gantry frames.

[0010] Preferably, a rectangular groove communicating with the bottom groove is opened through the middle of the workbench. A U-shaped positioning frame matching the lower template is fixedly connected to the top of the workbench and near the upper end of the rectangular groove. A fixing block is fixedly connected to the middle of the front side of the lower template. The fixing block is detachably connected to the middle of the top front side of the workbench by bolts. Several punches are evenly distributed on the lower template. Fixing seats are fixedly connected to the middle of the top sides of both sides of the workbench. An electric push rod is fixedly connected to the outside of the fixing seat on the side away from the U-shaped positioning frame. A clamping plate is fixedly connected to the output shaft of the electric push rod. The lower end face of the clamping plate slides in contact with the upper end face of the U-shaped positioning frame.

[0011] Preferably, the punching mechanism includes a horizontal plate fixedly connected between the top ends of two gantry frames. Hydraulic cylinders are fixedly connected to both sides of the top center of the horizontal plate. The output shaft of the hydraulic cylinder is fixedly connected to a mounting plate. An upper template is detachably connected to the bottom end of the mounting plate. Several punching heads are evenly distributed on the lower end face of the upper template. Guide rods are fixedly connected to the four corners of the top end of the mounting plate. Mounting holes are opened through the four corners of the horizontal plate. Linear bearings that are slidably connected to the guide rods are fixedly connected in the mounting holes.

[0012] Preferably, the mounting plate has a mounting groove at the bottom center that matches the upper template, the mounting plate has limit grooves at both ends, the upper template has limit strips fixedly connected to both ends that match the limit grooves, the mounting plate has a bolt threaded to the top center of the front side, the upper template has an insertion hole matching the bolt at the top center of the front side, and the mounting groove has a closed end wall at the rear side.

[0013] Preferably, the collection mechanism includes a collection box fixedly connected to the top wall of the bottom groove, and a pull-out groove opened on the lower front side of the collection box. A pull-out plate is provided in the pull-out groove. The pull-out plate is slidably disposed in the collection box and can be pulled out or pushed in from the pull-out groove. Sliding strips are fixedly connected to both ends of the pull-out plate. Sliding grooves matching the sliding strips are opened on both sides of the inner wall of the collection box. A baffle is fixedly connected to the top front side of the collection box. The lower end face of the baffle slides in contact with the upper end face of the pull-out plate.

[0014] Preferably, the middle part of the pull-out plate is rotatably connected to a rotating shaft via a bearing, a threaded hole is provided on the rear inner wall of the collection box, and a threaded head matching the threaded hole is fixedly connected to the end of the rotating shaft.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This frame punching device, through the combined use of a collection box, a pull-out plate, and a rotating shaft, achieves rapid and sealed cleaning of waste materials, solving the problems of cumbersome and labor-intensive cleaning operations of collection containers in the prior art.

[0017] 2. This frame punching device, through the coordinated use of the lower template, upper template and limiting strip, realizes the rapid replacement and precise positioning of stamping dies, solving the problems of complex die replacement process and long debugging time in traditional die-cutting. Attached Figure Description

[0018] Figure 1 This is a schematic diagram of the overall main structure of this utility model;

[0019] Figure 2 This is a schematic diagram of the pull-out plate installation structure of this utility model;

[0020] Figure 3 This is a schematic diagram of the stamping head mounting structure of this utility model;

[0021] Figure 4 For the present utility model Figure 1 Enlarged view of point A in the middle;

[0022] Figure 5 For the present utility model Figure 2 Enlarged diagram of point B in the middle.

[0023] In the diagram: 1. Box body; 2. Bottom groove; 3. Lower template; 4. Gantry frame; 5. Rectangular groove; 6. U-shaped positioning frame; 7. Fixing block; 8. Punch hole; 9. Fixing seat; 10. Electric push rod; 11. Clamping plate; 12. Horizontal plate; 13. Hydraulic cylinder; 14. Mounting plate; 15. Upper template; 16. Punching head; 17. Guide rod; 18. Linear bearing; 19. Mounting groove; 20. Limiting groove; 21. Collection box; 22. Pull-out groove; 23. Pull-out plate; 24. Sliding bar; 25. Sliding groove; 26. Baffle; 27. Rotating shaft; 28. Threaded hole; 29. ​​Worktable; 30. Limiting strip. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] like Figure 1-5 As shown, this utility model provides a technical solution:

[0026] A frame punching device includes a housing 1 with a bottom groove 2 in the middle of its front side. A rectangular groove 5 communicating with the bottom groove 2 is formed through the middle of a workbench 29. A lower template 3 is detachably connected to the middle of the top of the workbench 29. A U-shaped positioning frame 6 matching the lower template 3 is fixedly connected to the upper end of the workbench 29 near the rectangular groove 5. A fixing block 7 is fixedly connected to the middle of the front side of the lower template 3. The fixing block 7 is detachably connected to the middle of the top of the front side of the workbench 29 by bolts. Several punch holes 8 are evenly distributed on the lower template 3. Fixing seats 9 are fixedly connected to the middle of the top of both sides of the workbench 29. An electric push rod 10 is fixedly connected to the outside of the fixing seat 9 on the side away from the U-shaped positioning frame 6. The output shaft of 10 is fixedly connected to a clamping plate 11. The lower end face of the clamping plate 11 slides in contact with the upper end face of the U-shaped positioning frame 6. A collection mechanism is fixedly connected to the inner top wall of the bottom groove 2 of the housing 1. The collection mechanism includes a collection box 21 fixedly connected to the inner top wall of the bottom groove 2, and a pull-out groove 22 opened on the lower front side of the collection box 21. A pull-out plate 23 is provided in the pull-out groove 22. The pull-out plate 23 is slidably set in the collection box 21 and can be pulled out or pushed in from the pull-out groove 22. Sliding strips 24 are fixedly connected to both ends of the pull-out plate 23. Sliding grooves 25 matching the sliding strips 24 are opened on both sides of the inner wall of the collection box 21. A baffle 26 is fixedly connected to the top front side of the collection box 21. The lower end face of the baffle 26 is in contact with the upper end face of the pull-out groove 24. The upper end face of the pull plate 23 slides in contact with the shaft 27, which is rotatably connected to the middle of the pull plate 23 via a bearing. A threaded hole 28 is provided on the inner rear wall of the collection box 21. A threaded head matching the threaded hole 28 is fixedly connected to the end of the shaft 27. The workbench 29 is fixedly connected to the top center of the box 1. Two gantry frames 4 are fixedly connected to the tops of the two sides of the workbench 29. A drilling mechanism is provided between the tops of the two gantry frames 4. The drilling mechanism includes a horizontal plate 12 fixedly connected between the tops of the two gantry frames 4. Hydraulic cylinders 13 are fixedly connected to both sides of the top center of the horizontal plate 12. The output shaft of the hydraulic cylinder 13 is fixedly connected to a mounting plate 14. The bottom end of the mounting plate 14 is detachably connected to... The upper template 15 has several punch heads 16 evenly distributed on its lower end face. The top four corners of the mounting plate 14 are fixedly connected to guide rods 17. The four corners of the horizontal plate 12 are provided with mounting holes. Linear bearings 18 that are slidably connected to the guide rods 17 are fixedly connected in the mounting holes. The bottom center of the mounting plate 14 is provided with a mounting groove 19 that matches the upper template 15. The two ends of the mounting plate 14 are provided with limit grooves 20. The two ends of the upper template 15 are fixedly connected with limit strips 30 that match the limit grooves 20. The top center of the front side of the mounting plate 14 is threaded with a bolt. The top center of the front side of the upper template 15 is provided with a hole that matches the bolt. The rear side of the mounting groove 19 has a closed end wall.

[0027] In addition to the structure already described, the device also includes a controller (not shown in the figure) and a hydraulic station (not shown in the figure). The controller is preferably a programmable logic controller (PLC), which is electrically connected to the electric actuator 10 and the hydraulic cylinder 13 via wiring. The hydraulic station provides stable hydraulic power to the system; it is connected to the hydraulic cylinder 13 via oil pipes, and the controller controls its start / stop and oil flow direction according to preset program instructions.

[0028] In this embodiment, the collection box 21, the pull-out plate 23 and the rotating shaft 27 are used in combination to achieve rapid and sealed cleaning of waste materials, which solves the problems of cumbersome cleaning operation and high labor intensity of collection containers in the prior art.

[0029] By using the lower template 3, the upper template 15 and the limiting strip 30 together, the stamping die can be quickly changed and accurately positioned, solving the problems of complex die changing process and long debugging time in traditional die making.

[0030] Working principle: The operator first places the lower template 3 into the U-shaped positioning frame 6 at the top of the workbench 29, and fixes the fixing block 7 to the workbench 29 with bolts to complete the installation of the lower template 3; then, the machine frame to be processed is placed on the lower template 3, and the electric push rods 10 on both sides are activated to push the clamping plate 11 to slide along the upper end of the U-shaped positioning frame 6 towards the center, thereby clamping and positioning the machine frame; when drilling, the two hydraulic cylinders 13 synchronously drive the mounting plate 14 to move downward. The mounting plate 14 moves smoothly downward through the sliding cooperation of the guide rods 17 at the four corners and the linear bearings 18, driving the upper template 15 and the multiple punch heads 16 at its lower end to press down together; the punch heads 16 pass through the machine frame plate and enter the lower mold. Punching is completed in the corresponding holes 8 on plate 3. The resulting waste material falls into the collection box 21 on the top wall of the bottom groove 2 through the rectangular groove 5. After punching, the hydraulic cylinder 13 drives the mounting plate 14 and the upper template 15 back to their original positions. The processed frame can be removed by releasing the electric push rod 10. When it is necessary to clean up the waste material, the operator can rotate the rotating shaft 27 on the pull plate 23 so that the threaded head at its end can be screwed out from the threaded hole 28 on the rear side of the collection box 21. Then, the pull plate 23 can be pulled forward from the pull groove 22 by the cooperation of the slide bar 24 and the slide groove 25 to pour out the waste material. After cleaning, the pull plate 23 can be pushed back and the rotating shaft 27 can be rotated so that the threaded head can be screwed back into the threaded hole 28 to lock it.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A frame punching device, characterized in that: include The box (1) has a bottom groove (2) in the middle of its front side, and a collection mechanism is fixedly connected to the inner top wall of the box (1) in the bottom groove (2); The workbench (29) is fixedly connected to the top center of the box (1), and the bottom template (3) is detachably connected to the top center of the workbench (29). Gantry (4), two gantry (4) are fixedly connected to the top of the two sides of the workbench (29), and a punching mechanism is provided between the top of the two gantry (4).

2. The frame drilling device according to claim 1, characterized in that: The workbench (29) has a rectangular groove (5) that is connected to the bottom groove (2) through the middle. A U-shaped positioning frame (6) that matches the lower template (3) is fixedly connected to the top of the workbench (29) and near the upper end of the rectangular groove (5). A fixing block (7) is fixedly connected to the middle of the front side of the lower template (3). The fixing block (7) is detachably connected to the middle of the top front side of the workbench (29) by bolts. Several punches (8) are evenly distributed on the lower template (3). Fixing seats (9) are fixedly connected to the middle of the top sides of both sides of the workbench (29). An electric push rod (10) is fixedly connected to the outside of the side of the fixing seat (9) away from the U-shaped positioning frame (6). A clamping plate (11) is fixedly connected to the output shaft of the electric push rod (10). The lower end face of the clamping plate (11) slides in contact with the upper end face of the U-shaped positioning frame (6).

3. The frame drilling device according to claim 1, characterized in that: The punching mechanism includes a horizontal plate (12) fixedly connected between the top ends of two gantry frames (4). Hydraulic cylinders (13) are fixedly connected to both sides of the top center of the horizontal plate (12). The output shaft of the hydraulic cylinder (13) is fixedly connected to a mounting plate (14). An upper template (15) is detachably connected to the bottom end of the mounting plate (14). Several punch heads (16) are evenly distributed on the lower end face of the upper template (15). Guide rods (17) are fixedly connected to the four corners of the top end of the mounting plate (14). Mounting holes are opened through the four corners of the horizontal plate (12). Linear bearings (18) that are slidably connected to the guide rods (17) are fixedly connected in the mounting holes.

4. The frame drilling device according to claim 3, characterized in that: The mounting plate (14) has a mounting groove (19) at the bottom center that matches the upper template (15). Both ends of the mounting plate (14) have limit grooves (20). Both ends of the upper template (15) are fixedly connected with limit strips (30) that match the limit grooves (20). The top center of the front side of the mounting plate (14) is threaded with a bolt. The top center of the front side of the upper template (15) has a socket hole that matches the bolt. The rear side of the mounting groove (19) has a closed end wall.

5. A frame drilling device according to claim 1, characterized in that: The collection mechanism includes a collection box (21) fixedly connected to the top wall of the bottom groove (2) and a pull-out groove (22) opened on the lower front side of the collection box (21). A pull-out plate (23) is provided in the pull-out groove (22). The pull-out plate (23) is slidably arranged in the collection box (21) and can be pulled out or pushed in from the pull-out groove (22). Slide strips (24) are fixedly connected to both ends of the pull-out plate (23). Slide grooves (25) matching the slide strips (24) are opened on both sides of the inner wall of the collection box (21). A baffle (26) is fixedly connected to the top front side of the collection box (21). The lower end face of the baffle (26) slides in contact with the upper end face of the pull-out plate (23).

6. The frame drilling device according to claim 5, characterized in that: The middle part of the pull-out plate (23) is rotatably connected to a rotating shaft (27) via a bearing. A threaded hole (28) is provided on the inner rear wall of the collection box (21). A threaded head matching the threaded hole (28) is fixedly connected to the end of the rotating shaft (27).

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