A tablet stacking device with accurate positioning function

By introducing positioning and lifting mechanisms into the lamination stacking equipment, stable stacking and automated unloading of laminations are achieved, solving the problem of laminations being difficult to remove in existing equipment and improving production efficiency and stacking accuracy.

CN224418635UActive Publication Date: 2026-06-26WUXI XIZHENG MOTOR TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI XIZHENG MOTOR TECH CO LTD
Filing Date
2025-07-08
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing stamping stacking equipment lacks an upward ejection structure, making it difficult to remove the stacked stamping units from the equipment positioning columns, increasing unloading time and reducing production efficiency.

Method used

A stamping stacking device with precise positioning function was designed. It adopts a positioning mechanism and a lifting mechanism. Using components such as positioning holes, positioning columns, lifting grooves, lead screws, and servo motors, it realizes stable stacking and automated unloading of stampings. The lead screw is driven by the servo motor to rotate, which drives the lower support plate to rise and push the stacked stamping group out from the positioning column.

Benefits of technology

To ensure that the laminations remain coaxial during the stacking process, reduce misalignment between laminations, improve the alignment accuracy of the stacking slots, shorten unloading time, and increase production efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224418635U_ABST
Patent Text Reader

Abstract

The utility model discloses a kind of punch piece stacking height equipment with accurate positioning function, belong to punch piece stacking height technical field, its technical scheme main point includes workbench, the inside of workbench top is equipped with positioning mechanism, the both sides of the positioning mechanism are equipped with lifting mechanism, the left side of workbench front side is equipped with PLC controller, positioning hole in positioning mechanism is cooperated with positioning column, provide stable initial positioning reference for punch piece, ensure that punch piece keeps coaxial degree in stacking height process, electric cylinder drive connecting ring, connecting rod and down pressure ring vertical motion, by sliding hole and the sliding cooperation of positioning column, realize down pressure ring accurate pressing along positioning column, make punch piece closely stack and position fixed, reduce the dislocation between piece, guarantee that the alignment accuracy of laminated slot, improve the magnetic property and mechanical property of iron core, the rotation of screw rod in servo motor drive of lifting mechanism is driven, drive lower bracing plate and move upwards along limit rod and positioning column, eject punch piece group from positioning column after stacking height.
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Description

Technical Field

[0001] This utility model relates to the field of stamping stacking technology, and in particular to a stamping stacking device with precise positioning function. Background Technology

[0002] Metal lamination is widely used in motor manufacturing, especially in the manufacturing of stator cores. The stator core is an important component of the motor's magnetic circuit. Its main function is to form the motor's magnetic circuit and to pass current through the stator windings to generate a rotating magnetic field that drives the rotor to rotate. The stator core is generally made of laminated silicon steel sheets rather than directly cast, because silicon steel sheets have advantages such as high permeability, low hysteresis loss, and low coercivity, which can reduce energy loss and improve motor efficiency.

[0003] To address the aforementioned issues, existing patents have provided solutions. However, existing lamination stacking equipment lacks a structure for upward ejection after the metal laminations are stacked, making it difficult to remove the stacked lamination group from the equipment positioning column, thereby increasing unloading time and reducing production efficiency.

[0004] To address this, a stamping stacking device with precise positioning function is proposed. Utility Model Content

[0005] The purpose of this invention is to provide a stamping stacking device with precise positioning function, which can solve the problem that the existing stamping stacking device lacks a structure for pushing the stacked metal stampings upwards, making it difficult to remove the stacked stampings from the positioning column of the device, thereby increasing the unloading time and reducing production efficiency.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a stamping stacking device with precise positioning function, including a worktable, a positioning mechanism is provided on the inner side of the top of the worktable, lifting mechanisms are provided on both sides of the positioning mechanism, and a PLC controller is installed on the left side of the front side of the worktable.

[0007] The lifting mechanism includes a lifting groove, a lead screw, a limiting rod, a lower support plate, and a servo motor. The lifting groove is located on both sides inside the positioning mechanism. The lead screw is rotatably connected to the inner side of the left lifting groove, and the limiting rod is fixedly connected to the inner side of the right lifting groove. The lower support plate is slidably connected to the surface of the positioning mechanism. The left side of the lower support plate is threadedly connected to the surface of the lead screw, and the right side of the lower support plate is slidably connected to the surface of the limiting rod. The servo motor is installed at the bottom of the worktable. The bottom of the lead screw is connected to a connecting shaft via a flat key. The output end of the top of the servo motor passes through the worktable and is fixedly connected to the bottom of the connecting shaft.

[0008] Preferably, the positioning mechanism includes a positioning hole, a positioning column, a support frame, an electric cylinder, a connecting ring, several connecting rods, a pressing ring, and a sliding hole, wherein the positioning hole is located on the inner side of the top of the worktable.

[0009] Preferably, the lifting groove is formed on both sides inside the positioning hole, the positioning column is welded to the inside of the positioning hole, the lower support plate is slidably connected to the surface of the positioning column, and the support frame is welded to the rear side of the top of the workbench.

[0010] Preferably, the electric cylinder is fixedly connected to the top of the inner side of the support frame, the connecting ring is fixedly connected to the output end of the bottom of the electric cylinder, the connecting rod is welded to the bottom of the connecting ring, the lower pressure ring is welded to the bottom of the connecting rod, the sliding hole is opened on the inner side of the lower pressure ring, and the inner wall of the sliding hole is in contact with the surface of the positioning post.

[0011] Preferably, a reinforcing ring is fixedly connected to the telescopic end at the bottom of the electric cylinder, and the side of the reinforcing ring away from the telescopic end at the bottom of the electric cylinder is fixedly connected to the top of the connecting ring.

[0012] Preferably, a placement tray is fixedly connected to the left side of the top of the workbench, and a storage tray is provided on the right side of the top of the workbench.

[0013] Preferably, a support column is fixedly connected to the chamfered corner of the bottom of the workbench, and the bottom of the support column is engraved with anti-slip texture.

[0014] Preferably, a protective pad is fitted on the bottom surface of the pressure ring, and the surface of the protective pad is engraved with anti-slip texture.

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

[0016] 1. The positioning hole and positioning post in the positioning mechanism of this application cooperate to provide a stable initial positioning reference for the lamination, ensuring that the lamination maintains coaxiality during the stacking process. The electric cylinder drives the connecting ring, connecting rod and pressing ring to move vertically. Through the sliding cooperation between the sliding hole and the positioning post, the pressing ring is accurately pressed down along the positioning post, so that the lamination is tightly stacked and the position is fixed, reducing the misalignment between laminations, ensuring the alignment accuracy of the lamination slots, and improving the magnetic and mechanical properties of the core.

[0017] 2. The servo motor in the lifting mechanism of this application drives the lead screw to rotate, which in turn moves the lower support plate upward along the limit rod and positioning column, pushing the stacked punching assembly out of the positioning column. No manual intervention or complicated disassembly operation is required, which greatly shortens the unloading time and allows the equipment to quickly enter the next round of stacking operation, thereby improving production efficiency. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the lamination stacking device with precise positioning function of this utility model;

[0019] Figure 2 This is a schematic diagram of the lifting mechanism of this utility model;

[0020] Figure 3 This is a schematic diagram of the connecting ring of this utility model;

[0021] Figure 4 This is a schematic diagram of the structure of the pressure ring of this utility model;

[0022] Figure 5 This utility model Figure 2 Enlarged diagram of point A in the middle.

[0023] In the diagram, 1. Workbench; 2. Positioning mechanism; 21. Positioning hole; 22. Positioning column; 23. Support frame; 24. Electric cylinder; 25. Connecting ring; 26. Connecting rod; 27. Lower pressure ring; 28. Sliding hole; 3. Lifting mechanism; 31. Lifting groove; 32. Lead screw; 33. Limiting rod; 34. Lower support plate; 35. Servo motor; 4. PLC controller; 5. Reinforcing ring; 6. Placement tray; 7. Storage tray; 8. Support column; 9. Protective pad. 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] Please see Figure 1-5 The present invention provides the following technical solution:

[0026] A stacking equipment for punching sheets with precise positioning function includes a workbench 1, a positioning mechanism 2 is provided on the inner side of the top of the workbench 1, a lifting mechanism 3 is provided on both sides of the positioning mechanism 2, and a PLC controller 4 is installed on the left side of the front side of the workbench 1.

[0027] The lifting mechanism 3 includes a lifting groove 31, a lead screw 32, a limiting rod 33, a lower support plate 34, and a servo motor 35. The lifting groove 31 is opened on both sides inside the positioning mechanism 2. The lead screw 32 is rotatably connected to the inner side of the left lifting groove 31. The limiting rod 33 is fixedly connected to the inner side of the right lifting groove 31. The lower support plate 34 is slidably connected to the surface of the positioning mechanism 2. The left side of the lower support plate 34 is threadedly connected to the surface of the lead screw 32, and the right side of the lower support plate 34 is slidably connected to the surface of the limiting rod 33. The servo motor 35 is installed at the bottom of the worktable 1. The bottom of the lead screw 32 is connected to a connecting shaft through a flat key. The output end of the top of the servo motor 35 passes through the worktable 1 and is fixedly connected to the bottom of the connecting shaft.

[0028] In this embodiment: the workbench 1 supports and limits the positioning mechanism 2, the lifting mechanism 3, and the PLC controller 4. The PLC controller 4 can control the electric cylinder 24 and the servo motor 35. The lifting groove 31 provides installation space and motion track for the lead screw 32, the limit rod 33, and the lower support plate 34. The servo motor 35 drives the lead screw 32 to rotate through the connecting shaft, converting the rotational motion into the linear upward motion of the lower support plate 34. By controlling the servo motor 35, the lifting height of the lower support plate 34 can be adjusted to meet the ejection requirements of stamping assemblies with different stack heights. The limiting rod 33 cooperates with the lead screw 32 to provide stable guidance for the lower support plate 34, preventing the lower support plate 34 from shifting or rotating during the rising process, and ensuring that the stamping assembly is ejected smoothly. A threaded block is welded to the left side of the lower support plate 34, and a slider is welded to the right side of the lower support plate 34. The threaded block is threaded to the surface of the lead screw 32, and the slider is slidably connected to the surface of the limiting rod 33. At the same time, the lower support plate 34 receives the stacked stamping assembly and rises under the drive of the lead screw 32, ejecting the stamping assembly from the positioning post 22, realizing automated unloading, reducing manual intervention, and improving production efficiency.

[0029] Specifically, such as Figure 3 , Figure 4 As shown, the positioning mechanism 2 includes a positioning hole 21, a positioning column 22, a support frame 23, an electric cylinder 24, a connecting ring 25, several connecting rods 26, a pressing ring 27, and a sliding hole 28. The positioning hole 21 is located on the inner side of the top of the worktable 1.

[0030] Specifically, such as Figure 3 , Figure 4 As shown, the lifting groove 31 is opened on both sides inside the positioning hole 21, the positioning column 22 is welded to the inside of the positioning hole 21, the lower support plate 34 is slidably connected to the surface of the positioning column 22, and the support frame 23 is welded to the rear side of the top of the workbench 1.

[0031] Specifically, such as Figure 3 , Figure 4 As shown, the electric cylinder 24 is fixedly connected to the top of the inner side of the support frame 23, the connecting ring 25 is fixedly connected to the output end of the bottom of the electric cylinder 24, the connecting rod 26 is welded to the bottom of the connecting ring 25, the pressure ring 27 is welded to the bottom of the connecting rod 26, the sliding hole 28 is opened on the inner side of the pressure ring 27, and the inner wall of the sliding hole 28 is in contact with the surface of the positioning post 22.

[0032] In this embodiment: the positioning hole 21 can support and limit the positioning post 22, the lifting groove 31 and the lower support plate 34. The positioning post 22 can be inserted into the center hole of the punch to position the punch and ensure that each punch remains coaxial during the stacking process, reducing positional deviation. The support frame 23 can support the electric cylinder 24. The electric cylinder 24 drives the connecting ring 25 and the connecting rod 26 to drive the pressing ring 27 to move vertically and apply pressure to the stacked punches to ensure that the punches are tightly stacked. The pressing ring 27 slides along the positioning post 22 through the sliding hole 28 to ensure accurate pressing direction, avoid punch deviation, and improve stacking accuracy. The sliding hole 28 restricts the movement trajectory of the pressing ring 27 so that it can only slide up and down along the positioning post 22, ensuring a smooth pressing process and preventing the pressing ring 27 from shaking and affecting the punch positioning and stacking effect.

[0033] Specifically, such as Figure 5 As shown, a reinforcing ring 5 is fixedly connected to the telescopic end at the bottom of the electric cylinder 24, and the side of the reinforcing ring 5 away from the telescopic end at the bottom of the electric cylinder 24 is fixedly connected to the top of the connecting ring 25.

[0034] Specifically, such as Figure 1 As shown, a placement tray 6 is fixedly connected to the left side of the top of the workbench 1, and a storage tray 7 is provided on the right side of the top of the workbench 1.

[0035] In this embodiment: by setting a reinforcing ring 5, the connection strength between the bottom telescopic end of the electric cylinder 24 and the connecting ring 25 is enhanced; by setting a placement tray 6, the blanks to be processed are stored, which is convenient for operators to pick up and put in, making the blank loading process more orderly, reducing the time for finding and moving blanks, and improving production efficiency; by setting a storage tray 7, the blanks stacked after completion are stored, which is convenient for centralized transfer to the next process and avoids damage or chaos caused by random stacking of blanks.

[0036] Specifically, such as Figure 1 As shown, a support column 8 is fixedly connected to the chamfer at the bottom of the workbench 1, and the bottom of the support column 8 is engraved with anti-slip texture.

[0037] Specifically, such as Figure 4 As shown, a protective pad 9 is fitted on the bottom surface of the pressure ring 27, and the surface of the protective pad 9 is engraved with anti-slip texture.

[0038] In this embodiment: by setting support columns 8 to support the workbench 1, the pressure generated during equipment operation is dispersed; by setting anti-slip textures, the friction with the ground is increased, preventing the equipment from shifting due to vibration or external force during operation; by setting protective pads 9, the pressing ring 27 is prevented from directly contacting the stamping surface, preventing scratches, indentations, and other damage to the stamping, thus protecting the surface quality of the stamping; by setting anti-slip textures, the friction between the stamping and the stamping is increased, making it less likely for the stamping to slip during pressing, further improving the accuracy and stability of the stacking positioning.

[0039] Working principle: First, the operator places the blanks to be processed in the placement tray 6 on the top left side of the workbench 1 to prepare materials for stacking. Next, the operator aligns the center hole of the blank with the positioning post 22 and inserts it. Then, the operator drives the connecting ring 25 and connecting rod 26 through the electric cylinder 24 to drive the pressing ring 27 to move vertically. The pressing ring 27 slides down along the positioning post 22 through the sliding hole 28, applying pressure to the stacked blanks to ensure that the blanks are tightly stacked. After the blanks are stacked, the operator controls the electric cylinder 24 through the PLC controller 4 to drive the pressing ring 27 to move vertically. Ring 27 rises and resets. Then, the servo motor 35 is started. The servo motor 35 drives the lead screw 32 to rotate through the connecting shaft. The threaded block on the left side of the lower support plate 34 cooperates with the lead screw 32, and the slider on the right side slides along the limit rod 33. Under the guidance of the limit rod 33 and the lead screw 32, the lower support plate 34 rises smoothly, pushing the stacked stamping assembly out of the positioning post 22. Finally, the servo motor 35 transfers the pushed-out stamping assembly to the storage tray 7 on the top right side of the worktable 1 for centralized transfer to the next process. This completes one full stamping stacking operation cycle.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A lamination stacking device with precise positioning function, comprising a worktable (1), characterized in that: A positioning mechanism (2) is provided on the inner side of the top of the workbench (1), and a lifting mechanism (3) is provided on both sides of the positioning mechanism (2). A PLC controller (4) is installed on the left side of the front side of the workbench (1). The lifting mechanism (3) includes a lifting groove (31), a lead screw (32), a limiting rod (33), a lower support plate (34), and a servo motor (35). The lifting groove (31) is opened on both sides inside the positioning mechanism (2). The lead screw (32) is rotatably connected to the inside of the left lifting groove (31). The limiting rod (33) is fixedly connected to the inside of the right lifting groove (31). The lower support plate (34) is slidably connected to the surface of the positioning mechanism (2). The left side of the lower support plate (34) is threadedly connected to the surface of the lead screw (32). The right side of the lower support plate (34) is slidably connected to the surface of the limiting rod (33). The servo motor (35) is installed at the bottom of the worktable (1). The bottom of the lead screw (32) is connected to a connecting shaft through a flat key. The output end of the top of the servo motor (35) passes through the worktable (1) and is fixedly connected to the bottom of the connecting shaft.

2. The stamping stacking equipment with precise positioning function according to claim 1, characterized in that: The positioning mechanism (2) includes a positioning hole (21), a positioning column (22), a support frame (23), an electric cylinder (24), a connecting ring (25), several connecting rods (26), a pressing ring (27), and a sliding hole (28). The positioning hole (21) is located on the inner side of the top of the workbench (1).

3. The stamping stacking equipment with precise positioning function according to claim 2, characterized in that: The lifting groove (31) is opened on both sides inside the positioning hole (21), the positioning column (22) is welded to the inside of the positioning hole (21), the lower support plate (34) is slidably connected to the surface of the positioning column (22), and the support frame (23) is welded to the rear side of the top of the workbench (1).

4. A lamination stacking device with precise positioning function according to claim 2, characterized in that: The electric cylinder (24) is fixedly connected to the top of the inner side of the support frame (23), the connecting ring (25) is fixedly connected to the output end of the bottom of the electric cylinder (24), the connecting rod (26) is welded to the bottom of the connecting ring (25), the lower pressure ring (27) is welded to the bottom of the connecting rod (26), the sliding hole (28) is opened on the inner side of the lower pressure ring (27), and the inner wall of the sliding hole (28) is in contact with the surface of the positioning post (22).

5. A lamination stacking device with precise positioning function according to claim 2, characterized in that: A reinforcing ring (5) is fixedly connected to the telescopic end at the bottom of the electric cylinder (24), and the side of the reinforcing ring (5) away from the telescopic end at the bottom of the electric cylinder (24) is fixedly connected to the top of the connecting ring (25).

6. A lamination stacking device with precise positioning function according to claim 1, characterized in that: A placement tray (6) is fixedly connected to the left side of the top of the workbench (1), and a storage tray (7) is provided on the right side of the top of the workbench (1).

7. A lamination stacking device with precise positioning function according to claim 1, characterized in that: A support column (8) is fixedly connected to the chamfer at the bottom of the workbench (1), and the bottom of the support column (8) is engraved with anti-slip texture.

8. A lamination stacking device with precise positioning function according to claim 2, characterized in that: The bottom surface of the pressure ring (27) is fitted with a protective pad (9), and the surface of the protective pad (9) is engraved with anti-slip texture.