Punch forming device for precise part of frequency converter

Abstract

The punch forming device comprises a workbench, a lower die is installed on the top wall of the workbench, conveying assemblies are installed on the left side and the right side of the top wall of the workbench and correspond to the positions of the lower die, a punching assembly is installed on the rear wall of the workbench, and an upper die is fixedly installed at the bottom end of the punching assembly. The utility model relates to the technical field of stamping machining. According to the punch forming device for the precise part of the frequency converter, through mutual cooperation of the conveying assembly, the punching assembly, the upper die and the lower die, when the precise part of the frequency converter is punched, plate raw materials with different thicknesses can be conveyed firstly, and the front portions and the rear portions of the plate raw materials are continuously limited during conveying; according to the automatic feeding device, the situation of position deviation in the conveying process is prevented, higher precision is achieved in the subsequent stamping machining process, stamping work can be continuously conducted in the machining process, the overall machining efficiency is improved, and after machining is completed, materials can be collected in a unified mode and do not need to be manually taken out of a lower die.

Description

Technical Field

[0001] This utility model relates to the field of stamping technology, specifically a stamping forming device for precision parts of frequency converters. Background Technology

[0002] The stamping forming device for precision parts of frequency converters is an automated processing equipment specifically designed for the efficient and high-precision manufacturing of core metal components of frequency converters. It applies pressure to metal sheets through molds, causing them to plastically deform or separate, forming precision parts of specific shapes (such as copper busbars, connecting pieces, shielding covers, etc.).

[0003] Patent CN219378769U discloses a precision stamping die, relating to the field of forming mold devices. This precision stamping die includes a die base body. An upper die plate is located at the top of the die base body, and a lower die plate is located at the bottom. A drive cylinder is located at the top of the die base body to drive the upper die plate to stamp the die. A die groove is formed inside the bottom platform of the die base body. A top plate is located at the bottom of the lower die plate to eject the stamped part. Both the lower die plate and the top plate are located inside the die groove. A pusher plate is located on one side of the bottom platform of the die base body for removing material from the stamping die. This precision stamping die, through the cooperation of the top plate and the hydraulic cylinder, facilitates the ejection of the stamped part, and then the pusher plate unloads the ejected part.

[0004] The above-mentioned device has certain shortcomings in its use: although it can automatically unload materials during operation, manual feeding is still required, making it impossible to continuously process products, and the overall processing efficiency of the device is still insufficient.

[0005] To address this problem, the present invention provides a stamping forming device for precision parts of frequency converters. Utility Model Content

[0006] To address the shortcomings of existing technologies, this utility model provides a stamping forming device for precision parts of frequency converters, which solves the aforementioned problems.

[0007] To achieve the above objectives, this utility model is implemented through the following technical solution: a stamping forming device for precision parts of frequency converters, including a worktable, a lower die installed on the top wall of the worktable, conveying components installed on the left and right sides of the top wall of the worktable and corresponding to the positions of the lower die, a stamping component installed on the rear wall of the worktable, and an upper die fixedly installed at the bottom end of the stamping component.

[0008] The conveying assembly includes two conveyor seats, which are symmetrically arranged left and right. The bottom walls of both conveyor seats are fixedly connected to the top wall of the worktable. Each of the two conveyor seats has an installation groove on an adjacent side. The top of the inner wall of each of the two installation grooves has a sliding groove. A fixed conveying roller is rotatably installed on the bottom of the inner wall of each of the two installation grooves. A drive motor is fixedly installed on the front wall of the left conveyor seat. The power shaft of the drive motor passes through the left conveyor seat through a bearing and is fixedly connected to the corresponding fixed conveying roller shaft. Several sliding blocks are slidably installed on the inner walls of several sliding grooves. The top walls of two sliding blocks on the same side are fixedly installed with the same lifting frame. A moving conveying roller is rotatably installed on an adjacent side of the two sliding blocks on the same side. Several abutment springs are evenly fixedly installed on the top walls of the two lifting frames. An inclined discharge groove is opened inside the lower mold. A collection frame is fixedly installed on the top wall of the worktable and at the rear of the lower mold.

[0009] Through the above technical solution, the conveying component can convey processing plates of different thicknesses and widths. The adjustment method is relatively simple: just place the processing plate between the moving conveying roller and the fixed conveying roller. After the stamping is completed, it falls into the inclined discharge chute and enters the collection frame for unified collection.

[0010] Furthermore, both lifting frames are U-shaped and located in the inner wall of the corresponding mounting slot, and the tops of several abutment springs are fixedly connected to the top wall of the corresponding mounting slot.

[0011] The above technical solution mainly uses the abutment spring to abut and limit the top of the lifting frame, preventing the two ends of the sheet material from lifting up during stamping.

[0012] Furthermore, operating levers are fixedly installed on the top walls of both lifting frames. The tops of the two operating levers slide through the corresponding conveyor seats and extend to the outside. Both operating levers are square rods, and the inclined discharge groove is connected to the lower mold cavity.

[0013] With the above technical solutions, the operating levers are all square rods that have the functions of limiting and pulling.

[0014] Furthermore, the stamping assembly includes an L-shaped frame, the bottom of which is fixedly connected to the rear wall of the worktable, a hydraulic rod is fixedly installed on the top wall of the L-shaped frame, and positioning seats are fixedly installed on the outer walls of the L-shaped frame. The movable end of the hydraulic rod slides through the L-shaped frame and is fixedly connected to the top wall of the upper die.

[0015] The above technical solution involves using a hydraulic rod to drive the upper die up and down to close with the lower die, thus completing the stamping process.

[0016] Furthermore, positioning rods are fixedly installed on both the left and right sides of the top wall of the upper mold, and the top ends of the two positioning rods slide through the corresponding positioning seats and extend to the outside.

[0017] Through the above technical solution, the positioning rod and the positioning seat work together to limit the movement path of the upper mold and prevent it from deviating from its position.

[0018] Furthermore, L-shaped seats are fixedly installed on both the front and rear walls of the lower mold, and electric push rods are fixedly installed on the outer walls of both L-shaped seats. The movable ends of the two electric push rods slide through the corresponding L-shaped seats and are fixedly installed with limit seats.

[0019] Through the above technical solution, the electric actuator can limit the path of the processing material by pushing the limit seat, while the limit seat and the processing material can slide freely.

[0020] Furthermore, the limiting seat is slidably connected to the top wall of the lower mold.

[0021] Using the above technical solution, the limiting seat slides along the top wall of the lower mold.

[0022] Beneficial effects

[0023] This utility model provides a stamping forming device for precision parts of frequency converters. Compared with the prior art, it has the following advantages:

[0024] (1) The stamping forming device for the precision parts of the frequency converter, through the cooperation of the conveying component, the stamping component and the upper and lower dies, can first convey the raw materials of different thicknesses when stamping the precision parts of the frequency converter. During the conveying, the front and rear parts of the raw materials are continuously limited to prevent position deviation during the conveying. It has higher precision in the subsequent stamping process, so that the stamping work can be carried out continuously during the processing, improving the overall processing efficiency. After the processing is completed, the materials are collected in a unified manner without the need to manually remove them from the lower die. Attached Figure Description

[0025] Figure 1 This is a front view of the overall structure of this utility model;

[0026] Figure 2 This is a right rear view of the overall structure of this utility model;

[0027] Figure 3 This is a left-side sectional view of the internal structure of the overall structure of this utility model;

[0028] Figure 4 This is a left rear view of the overall structure of this utility model;

[0029] Figure 5 This is a schematic diagram of the external structure of the conveying component of this utility model;

[0030] Figure 6 This is an exploded view of the internal structure of the conveying component of this utility model.

[0031] In the diagram: 1. Workbench; 2. Lower die; 3. Conveying assembly; 31. Conveying seat; 32. Mounting groove; 33. Sliding groove; 34. Fixed conveying roller; 35. Drive motor; 36. Slide seat; 37. Lifting frame; 38. Moving conveying roller; 39. Abutment spring; 310. Operating lever; 311. Inclined discharge chute; 312. Collection frame; 4. Stamping assembly; 41. L-shaped frame; 42. Hydraulic rod; 43. Positioning rod; 44. Positioning seat; 45. L-shaped seat; 46. Electric actuator; 47. Limiting seat; 5. Upper die. Detailed Implementation

[0032] 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.

[0033] Example 1:

[0034] Please see Figures 1-6 A stamping forming device for precision parts of frequency converters includes a worktable 1, a lower die 2 installed on the top wall of the worktable 1, conveying components 3 installed on the left and right sides of the top wall of the worktable 1 and corresponding to the positions of the lower die 2, a stamping component 4 installed on the rear wall of the worktable 1, and an upper die 5 fixedly installed at the bottom end of the stamping component 4.

[0035] The conveying assembly 3 includes two conveying seats 31, which are symmetrically arranged left and right. The bottom walls of both conveying seats 31 are fixedly connected to the top wall of the workbench 1. Each adjacent side of the two conveying seats 31 has an installation groove 32. The top of the inner wall of each installation groove 32 has a sliding groove 33. A fixed conveying roller 34 is rotatably mounted on the bottom of the inner wall of each installation groove 32. A drive motor 35 is fixedly mounted on the front wall of the left conveying seat 31. The power shaft of the drive motor 35 passes through the left conveying seat 31 via a bearing and is fixedly connected to the corresponding fixed conveying roller 34. Several sliding blocks 36 are slidably mounted on the inner walls of the sliding grooves 33. The top walls of two sliding blocks 36 on the same side are fixedly mounted with the same lifting frame 37. Two sliding blocks 36 on one side are rotatably mounted with moving conveyor rollers 38 on adjacent sides. Several abutment springs 39 are evenly fixedly installed on the top walls of the two lifting frames 37. An inclined discharge groove 311 is opened inside the lower mold 2. A collection frame 312 is fixedly installed on the top wall of the worktable 1 and located at the rear of the lower mold 2. The two lifting frames 37 are both "U" shaped and located in the inner wall of the corresponding mounting groove 32. The tops of several abutment springs 39 are fixedly connected to the inner top wall of the corresponding mounting groove 32. An operating rod 310 is fixedly installed on the top wall of the two lifting frames 37. The tops of the two operating rods 310 slide through the corresponding conveyor block 31 and extend to the outside. The two operating rods 310 are both square rods. The inclined discharge groove 311 is connected to the mold cavity of the lower mold 2.

[0036] In this embodiment of the utility model, the purpose of this arrangement is that the conveying component 3 can continuously convey the raw material of the precision part of the frequency converter during the processing of the precision part, thereby enabling continuous stamping processing. It can also adapt to the material of different thicknesses. After the stamping processing is completed, the material falls into the inclined discharge trough 311 and enters the collection frame 312. The abutment spring 39 pushes the lifting frame 37 and the moving conveying roller 38 to abut against the top left and right sides of the raw material of the processed material, preventing the material from jumping during processing and improving the processing accuracy.

[0037] Example 2:

[0038] Please see Figures 2-6This embodiment provides a technical solution based on embodiment one: the stamping assembly 4 includes an L-shaped frame 41, the bottom of the L-shaped frame 41 is fixedly connected to the rear wall of the worktable 1, a hydraulic rod 42 is fixedly installed on the top wall of the L-shaped frame 41, and positioning seats 44 are fixedly installed on the outer walls of the L-shaped frame 41. The movable end of the hydraulic rod 42 slides through the L-shaped frame 41 and is fixedly connected to the top wall of the upper die 5. Positioning rods 43 are fixedly installed on both the left and right sides of the top wall of the upper die 5. The top ends of the two positioning rods 43 slide through the corresponding positioning seats 44 and extend to the outside. L-shaped seats 45 are fixedly installed on the front and rear walls of the lower die 2. Electric push rods 46 are fixedly installed on the outer walls of the two L-shaped seats 45. The movable ends of the two electric push rods 46 slide through the corresponding L-shaped seats 45 and are fixedly installed with limit seats 47. The limit seats 47 are slidably connected to the top wall of the lower die 2.

[0039] In this embodiment of the utility model, the purpose of this arrangement is that, when the stamping component 4 is used to process the sheet material, the material is continuously conveyed to the right and pushed by the electric push rod 46 to slide and fit the limiting seat 47 with the front and rear parts of the sheet material, so as to prevent the position from shifting during processing. With the cooperation of the positioning rod 43 and the positioning seat 44, the movement trajectory of the upper die 5 can be limited to prevent the position from shifting.

[0040] Furthermore, any content not described in detail in this specification is existing technology known to those skilled in the art.

[0041] During operation, the drive motor 35 and hydraulic rod 42 are electrically connected via an external power supply and controller. When the stamping process of the inverter precision parts begins, pulling the operating lever 310 moves the lifting frame 37 upward within the mounting groove 32. As the lifting frame 37 moves upward, it drives the slide block 36 upward along the inner wall of the corresponding sliding groove 33. Subsequently, the moving conveyor roller 38 follows the movement of the lifting frame 37. The lifting frame 37 compresses the abutment spring 39, carrying the sheet material required for the processing of the inverter precision parts from the left side, passing between the moving conveyor roller 38 and the fixed conveyor roller 34, continuing through the top wall of the lower die 2, and then entering the position between the moving conveyor roller 38 and the fixed conveyor roller 34 on the right side. Releasing the operating lever 310, under the elastic action of the abutment spring 39, pushes the lifting frame 37, causing the moving conveyor roller 38 to adhere to the top wall of the sheet material. Then, the electric push... Rod 46 pushes the limiting seat 47 to slide along the top wall of the lower die 2, so that the limiting seat 47 fits against the front and rear walls of the sheet material. However, the limiting seat 47 does not affect the normal movement of the sheet material, but only limits the sheet material to prevent it from moving. When the stamping process begins, the drive motor 35 drives the fixed conveyor roller 34 to rotate, causing the sheet material to move slowly from left to right, so that the sheet material fully covers the top of the lower die 2. The hydraulic rod 42 pushes the upper die 5 down, thereby causing the positioning rod 43 to slide down along the inner wall of the positioning seat 44. The upper die 5 and the lower die 2 close the mold to complete the stamping work on the sheet material, i.e., the frequency converter precision part. After passing through the inclined discharge groove 311, the precision part slides into the inner wall of the collection frame 312 and is collected. The drive motor 35 continues to drive the fixed conveyor roller 34 to rotate, continuing to drive the sheet material to move to the right and continue the stamping process.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A press forming apparatus for a precision part of a frequency converter, characterized by: Including workbench (1), the lower mould (2) is installed on the top wall of workbench (1), the conveying assembly (3) is installed on the left and right sides of the top wall of workbench (1) and corresponds to the position of lower mould (2), the stamping assembly (4) is installed on the back wall of workbench (1), the upper mould (5) is fixedly installed at the bottom end of stamping assembly (4); The conveying assembly (3) includes two conveying seats (31), the two conveying seats (31) are symmetrically arranged, the bottom wall of the two conveying seats (31) is fixedly connected with the top wall of the workbench (1), the side adjacent to the two conveying seats (31) is provided with an installation groove (32), the inner wall top of the two installation grooves (32) is provided with a sliding groove (33), the inner wall bottom of the two installation grooves (32) is rotatably installed with a fixed conveying roller (34), the front wall of the conveying seat (31) located on the left side is fixedly installed with a driving motor (35), the power shaft of the driving motor (35) is fixedly connected with the corresponding fixed conveying roller (34) through the bearing penetrating the conveying seat (31) on the left side, a plurality of sliding grooves (33) are slidably installed with a sliding seat (36), the top wall of the two sliding seats (36) located on the same side is fixedly installed with the same lifting frame (37), the side adjacent to the two sliding seats (36) located on the same side is rotatably installed with a movable conveying roller (38), the top wall of the two lifting frames (37) is uniformly fixedly installed with a plurality of abutting springs (39), the inner part of the lower mould (2) is provided with an inclined discharge chute (311), and the top wall of the workbench (1) and the rear part of the lower mould (2) are fixedly installed with a collecting frame (312).

2. The press forming apparatus for a frequency converter precision part according to claim 1, characterized in that: The two lifting frames (37) are both "U" shaped and located in the inner wall of the corresponding installation groove (32), and the top end of the plurality of abutting springs (39) is fixedly connected with the inner top wall of the corresponding installation groove (32).

3. The press forming apparatus for a frequency converter precision part according to claim 1, characterized in that: The top wall of the two lifting frames (37) is fixedly installed with an operating rod (310), the top end of the two operating rods (310) is slidably penetrated through the corresponding conveying seat (31) and extends to the outside, and the two operating rods (310) are both square rods.

4. The press forming apparatus for a frequency converter precision part according to claim 1, characterized in that: The stamping assembly (4) includes an L-shaped frame (41), the bottom of the L-shaped frame (41) is fixedly connected with the back wall of the workbench (1), the top wall of the L-shaped frame (41) is fixedly installed with a hydraulic rod (42), the outer side wall of the L-shaped frame (41) is fixedly installed with a positioning seat (44), and the movable end of the hydraulic rod (42) is slidably penetrated through the L-shaped frame (41) and fixedly connected with the top wall of the upper mould (5).

5. The press forming apparatus for a frequency converter precision part according to claim 1, characterized in that: The top wall of the upper mould (5) is fixedly installed with a positioning rod (43) on the left and right sides, and the top end of the two positioning rods (43) is slidably penetrated through the corresponding positioning seat (44) and extends to the outside.

6. The press forming apparatus for a frequency converter precision part according to claim 1, characterized in that: The front and back walls of the lower mould (2) are fixedly installed with an L-shaped seat (45), the outer wall of the two L-shaped seats (45) is fixedly installed with an electric push rod (46), and the movable end of the two electric push rods (46) is slidably penetrated through the corresponding L-shaped seat (45) and fixedly installed with a limiting seat (47).

7. The press forming apparatus for a frequency inverter precision part according to claim 6, characterized in that: The limiting seat (47) is in sliding connection with the top wall of the lower die (2).

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