Head cutting machine with safety protection structure
By adopting a combined design of limit wrapping plate, electric push rod and engaging positioning mechanism in the head cutter, the problems of workers' misoperation and safety accidents are solved, and the precise cutting of the stator lead wire and the safety and efficiency of the production process are improved.
Patent Information
- Application Number
- CN202421762427.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2034-07-24
AI Technical Summary
When using the existing head cutter, workers are prone to misoperation, causing the stator lead to be cut, and workers are prone to safety accidents when adjusting the stator position.
A head cutter with a safety protection structure is designed, which adopts a concentric design of a limit wrapping plate and an electric push rod, combined with a engaging positioning mechanism and a fitting detection switch to prevent workers from misoperating operations, and automatically cuts the lead wire of the stator through the electric push rod.
The accuracy and safety of the lead-out cutting process of the stator is achieved, preventing workers from manually adjusting the stator position when the machine is started, reducing the occurrence of safety accidents, and improving production efficiency through automation.
Smart Images

Figure CN222852145U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of flat wire stator production, in particular to a head cutting machine with a safety protection structure. Background Art
[0002] With the development and progress of motor manufacturing and technology, a certain length of the stator lead wire of the automobile AC generator is reserved during the inlay manufacturing. In the previous production process, workers used pliers to cut the lead wires to the required length, but it was difficult to keep the length of the lead wires consistent by cutting them one by one. In addition, when there are too many winding wires in the stator, it is difficult to improve the efficiency by manual cutting, and the lead wires cannot be kept at the same length. For this reason, a stator head cutting machine was developed, but the existing head cutting machine is easy for workers to misoperate when in use, resulting in the stator lead wires being cut, causing damage to the coils in the stator winding, and after discovering the problem, the workers are prone to put their hands in to make adjustments, resulting in hand pressure. Summary of the invention
[0003] The utility model aims to provide a head cutting machine with a safety protection structure to solve the problem in the above background technology that workers find that the stators are not neatly arranged and then stretch out their hands to adjust them, which may cause safety accidents.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a head cutting machine with a safety protection structure, comprising a frame, a limit wrapping plate fixedly installed inside the frame, and the limit wrapping plate is U-shaped, a stator is arranged inside the limit wrapping plate, and the outer surface of the stator is in contact with the inner surface of the limit wrapping plate, and the limit wrapping plate and the stator are concentrically designed, an electric push rod is fixedly installed on the outer surface of one end of the frame away from the limit wrapping plate, and the output end of the electric push rod passes through the outer surface of the frame, and the electric push rod and the stator are concentrically designed, and a snap-fit positioning mechanism is arranged between the frame and the limit wrapping plate, and the snap-fit positioning mechanism can prevent workers from being injured due to misoperation.
[0005] Preferably, the locking and positioning mechanism includes: a positioning slot, the positioning slot is fixedly mounted on the side surface of the limiting wrapping plate, and the side surface of the limiting wrapping plate is provided with a fit detection switch, a horizontal positioning stick is provided between the positioning slot and the limiting wrapping plate, and block-shaped protrusions are provided at both ends of the horizontal positioning stick, and the block-shaped protrusions on both sides of the horizontal positioning stick fit with the side surface of the positioning slot, the side surface of the positioning slot fits with the outer surface of the horizontal positioning stick, and buttons are fixedly mounted on the side surface of the frame, and the buttons are respectively provided at both ends of the frame.
[0006] By adopting the above technical solution, after the stator is completely pushed into the limiting wrapping plate, the limiting wrapping plate is fit with the side surface of the stator, and then the horizontal positioning stick is inserted into the positioning slot to fit with the side surface of the stator, so that the stator can be accurately fixed in the limiting wrapping plate. At the same time, the engagement of the horizontal positioning stick with the positioning slot activates the fit detection switch of the side surface of the limiting wrapping plate. Then, by pressing the buttons on both sides of the frame, the electric push rod is started to cut the stator, and the stator position is accurately fixed by the horizontal positioning stick. The button and the fit detection switch of the limiting wrapping plate are used to prevent workers from manually adjusting the stator when the machine is started.
[0007] Preferably, a discharge groove is provided on one side of the frame close to the limiting wrapping plate, and the discharge groove and the limiting wrapping plate are concentrically designed. A collection frame is slidably installed on the outer surface of one end of the frame away from the limiting wrapping plate, and the collection frame is located below the discharge groove.
[0008] With the above technical solution, after the stator is trimmed, the cut pieces will fall into the collection frame through the discharge chute, so that the cut pieces can be collected together for easy recycling, while keeping the frame clean.
[0009] Preferably, a sliding engagement mechanism is provided on the outside of the stator, and the copper wire connector of the stator is squeezed by the sliding engagement mechanism.
[0010] By adopting the above technical solution, the stator is inserted into the positioning protection base, so that the lead wire of the positioning protection base is inserted into the slot, and the stator is conveniently pushed into the limiting wrapping plate to protect the coil at the bottom of the stator, and it is convenient to load and unload the stator.
[0011] Preferably, the sliding engagement mechanism includes: a positioning and protective base, which is slidably installed inside the stator, and the inner surface of the stator is fitted with the outer surface of the positioning and protective base, and the positioning and protective base is hollow in design, a positioning plate is fitted on the end of the positioning and protective base away from the collecting frame, and a limiting block is fixedly installed on the side surface of the positioning plate, and the side surface of the positioning plate is fitted with the magnetic steel of the stator, a storage groove is provided on the side surface of the positioning and protective base, and the interior of the storage groove is fitted with the coil of the stator, an extrusion plate is provided on the side of the positioning plate away from the discharge groove, and the outer surface of the extrusion plate is fitted with the limiting block, and guide holes are evenly provided on the interior of the positioning plate and the extrusion plate, and the guide holes between the positioning plate and the extrusion plate are aligned with each other.
[0012] By adopting the above technical solution, after the stator is inserted into the interior of the positioning protection base, a limit block that matches the number of stator lead heads can be inserted into the outer end of the stator, so that the lead wires of the stator pass through the guide holes, and then the guide holes are placed on the positioning plate, so that the limit block is stuck in the extrusion plate, and then the extrusion plate is pressed down by squeezing, so that the lead wires of the stator are squeezed out of the extrusion plate through the guide holes, and the lead wires of the stator are adjusted to a suitable cutting position.
[0013] Preferably, an elastic sliding mechanism is provided between the electric push rod and the frame, and the extrusion plate is pressed down by the elastic sliding mechanism, while preventing the cut part from leaking out and causing accidental injury to personnel.
[0014] By adopting the above technical solution, the push plate will be squeezed by the push of the spring, so that the cutting plate is retracted into the push plate, so that the cutting plate will not accidentally contact the worker when loading.
[0015] Preferably, the elastic sliding mechanism includes: a pushing plate, which is slidably installed on the outer surface of the output end of the electric push rod, and the electric push rod and the pushing plate are concentrically designed, and a spring is arranged between the pushing plate and the electric push rod, a groove is arranged on the outer surface of the push plate on one side close to the extrusion plate, and a cutting plate is slidably installed inside the groove of the push plate, a cutting plate is fixedly installed at the output end of the electric push rod, and the cutting plate and the pushing plate are concentrically designed, and an arc-shaped depression is arranged on the side surface of the cutting plate.
[0016] By adopting the above technical solution, the push plate can be brought into contact with the extrusion plate by pressing down the electric push rod, and the extrusion plate can be pressed down to press out the lead wires of the stator. At the same time, as the lead wires of the stator are pressed out, the cutting plate is pushed out together, and the extruded lead wires will be pressed down along the grooves in the cutting plate, and cooperate with the side surface of the positioning protective base to cut off the excess lead wires.
[0017] Compared with the prior art, the beneficial effects of the utility model are as follows: the head cutting machine with a safety protection structure:
[0018] 1. When loading, you only need to insert the stator into the positioning protection base, then insert the positioning plate and the extrusion plate into the upper end of the stator, then push the protection base into the limiting wrapping plate, so that the side surface of the limiting wrapping plate fits the side surface of the stator, then insert the horizontal positioning stick into the positioning card slot to trigger the fitting detection switch of the limiting wrapping plate, accurately locate the position of the stator, and then press the button at the same time to cut the lead wire of the stator to fix the position of the stator, while preventing workers from adjusting the position of the stator when the machine is started;
[0019] 2. Insert the stator into the interior of the positioning protection base, so that the lead wires at the bottom of the stator are clamped into the storage groove, so that the lead wires at the bottom of the stator are protected, and the stator is supported by the protection base. Then, the positioning plate is passed through the lead wires of the stator, and the extrusion plate is clamped into the positioning plate, so that the limit block is engaged with the extrusion plate, so that the lead wires of the stator are passed into the guide hole, so that the stator can be pushed into the cutting station for loading and unloading, and it is convenient to assemble and operate without the need for assembly in the frame;
[0020] 3. Press the button to start the electric push rod, and then the electric push rod pushes the push plate and the cutting plate, so that the push plate pushes the extrusion plate, so that the lead wire of the stator moves and deforms along the guide hole, and the lead wire is extruded, and then the cutting plate is pressed down, so that the extruded lead wire moves along the arc-shaped depression inside the cutting plate, and then the positioning protection base and the downward pressure of the cutting plate are coordinated to cut the lead wire of the stator, so that the cut wire head falls into the discharge groove along the inside of the positioning protection base, enters the collection frame, and collects the cut wire head. After the cutting is completed, the electric push rod retracts the cutting plate, and the spring pushes the push plate back, so that the cutting plate is collected in the push plate, reducing the contact between the cutting plate and the workers during loading and unloading, reducing the chance of injury to the workers, and at the same time cutting the extra wire heads, and conveniently collecting and recycling the cut wire heads. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 This is a schematic diagram of the three-dimensional structure of the frame and the limiting wrapping plate of the utility model;
[0022] Figure 2 This is a schematic diagram of the cutaway three-dimensional structure of the frame and the limiting wrapping plate of the utility model;
[0023] Figure 3 This is a schematic diagram of the sectional three-dimensional structure of the positioning protection base and the extrusion plate of the utility model;
[0024] Figure 4 This is a schematic diagram of the sectional three-dimensional structure of the positioning plate and the extrusion plate of the utility model;
[0025] Figure 5 This is a schematic diagram of the cross-sectional three-dimensional structure of the stator and the positioning protection base of the utility model;
[0026] Figure 6 It is a schematic diagram of the sectional three-dimensional structure of the push plate and the cutting plate of the utility model.
[0027] In the figure: 1. frame; 2. limit wrapping plate; 3. horizontal positioning rod; 4. positioning slot; 5. discharge slot; 6. collection frame; 7. button; 8. stator; 9. positioning protection base; 10. storage slot; 11. positioning plate; 12. limit block; 13. extrusion plate; 14. guide hole; 15. electric push rod; 16. push plate; 17. spring; 18. cutting plate. DETAILED DESCRIPTION
[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0029] See also Figure 1-6 The utility model provides a technical solution: a head cutting machine with a safety protection structure, comprising a frame 1, a limited wrapping plate 2 is fixedly installed inside the frame 1, and the limited wrapping plate 2 is of U-shaped design, a stator 8 is arranged inside the limited wrapping plate 2, and the outer surface of the stator 8 is in contact with the inner surface of the limited wrapping plate 2, and the limited wrapping plate 2 and the stator 8 are of concentric design, an electric push rod 15 is fixedly installed on the outer surface of one end of the frame 1 away from the limited wrapping plate 2, and the output end of the electric push rod 15 passes through the outer surface of the frame 1, and the electric push rod 15 and the stator 8 are of concentric design, and a card is arranged between the frame 1 and the limited wrapping plate 2 The locking positioning mechanism can prevent workers from being injured due to misoperation. The locking positioning mechanism includes: a positioning slot 4, which is fixedly installed on the side surface of the limiting wrapping plate 2, and a fit detection switch is provided on the side surface of the limiting wrapping plate 2, a horizontal positioning stick 3 is provided between the positioning slot 4 and the limiting wrapping plate 2, and block-shaped protrusions are provided at both ends of the horizontal positioning stick 3, and the block-shaped protrusions on both sides of the horizontal positioning stick 3 fit with the side surface of the positioning slot 4, the side surface of the positioning slot 4 fits with the outer surface of the horizontal positioning stick 3, and a button 7 is fixedly installed on the side surface of the frame 1, and the button 7 is respectively provided at both ends of the frame 1.
[0030] Push the positioning protection base 9 with the stator 8 inserted into the interior of the limiting wrapping plate 2, so that the inner surface of the limiting wrapping plate 2 fits with the side surface of the stator 8, and then insert the horizontal positioning rod 3 into the interior of the positioning slot 4. Then, the fitting detection switch of the limiting wrapping plate 2 will be triggered by the horizontal positioning rod 3, and the stator 8 will be accurately fixed in the limiting wrapping plate 2 to prevent the stator 8 from moving. At the same time, by pressing the buttons 7 on both sides of the frame 1, the electric push rod 15 can be started, so that workers cannot touch the stator 8 when the machine is started, reducing safety hazards.
[0031] A discharge groove 5 is provided on one side of the frame 1 close to the limiting wrapping plate 2, and the discharge groove 5 and the limiting wrapping plate 2 are designed to be concentric. A collection frame 6 is slidably installed on the outer surface of one end of the frame 1 away from the limiting wrapping plate 2, and the collection frame 6 is located below the discharge groove 5.
[0032] As the cutting plate 18 is pressed down to cut off the lead wire ends of the stator 8, the cut wire ends will pass through the positioning protection base 9 and fall into the collection frame 6 through the discharge trough 5, making it convenient to collect and recycle the cut wire ends, while ensuring the cleanliness of the frame 1.
[0033] A sliding engagement mechanism is provided outside the stator 8 , and the copper wire connector of the stator 8 is squeezed by the sliding engagement mechanism.
[0034] By inserting the stator 8 into the interior of the positioning protection base 9, and then snapping the positioning plate 11 on the outer surface of the stator 8, the lead wire of the stator 8 passes through the guide hole 14, and then snapping the extrusion plate 13 on the outer surface of the positioning plate 11, the limit block 12 is engaged with the extrusion plate 13, and the lead wire of the stator 8 passes through the guide hole 14, and then the extrusion plate 13 is pressed down to press the lead wire of the stator 8 along the guide hole 14, which is convenient for subsequent cutting operations.
[0035] The sliding engagement mechanism includes: a positioning and protective base 9, which is slidably installed inside the stator 8, and the inner surface of the stator 8 is fitted with the outer surface of the positioning and protective base 9, and the positioning and protective base 9 is hollow in design, and a positioning plate 11 is fitted on the end of the positioning and protective base 9 away from the collecting frame 6, and a limiting block 12 is fixedly installed on the side surface of the positioning plate 11, and the side surface of the positioning plate 11 is fitted with the magnetic steel of the stator 8, a storage groove 10 is provided on the side surface of the positioning and protective base 9, and the interior of the storage groove 10 is engaged with the coil of the stator 8, an extrusion plate 13 is provided on the side of the positioning plate 11 away from the discharge groove 5, and the outer surface of the extrusion plate 13 is engaged with the limiting block 12, and guide holes 14 are evenly provided on the interior of the positioning plate 11 and the extrusion plate 13, and the guide holes 14 between the positioning plate 11 and the extrusion plate 13 are aligned with each other.
[0036] By inserting the stator 8 into the positioning protection base 9, the coil exposed at the lower end of the stator 8 can be protected by the storage groove 10, and then the positioning plate 11 and the extrusion plate 13 are buckled into the stator 8, and then the stator 8 and the positioning protection base 9 are pushed into the limiting wrapping plate 2, which is convenient for loading and unloading the stator 8. At the same time, there is no need to assemble the positioning plate 11 and the extrusion plate 13 inside the frame 1, which is convenient for operating the stator 8.
[0037] An elastic sliding mechanism is provided between the electric push rod 15 and the frame 1, and the extrusion plate 13 is pressed down by the elastic sliding mechanism, while preventing the cut part from leaking out and causing accidental injury to personnel.
[0038] The cutting plate 18 can be retracted into the groove of the pushing plate 16 by the push of the spring 17, thereby reducing the contact between the cutting plate 18 and the workers when loading and unloading materials, thereby preventing the probability of accidental injury to the workers.
[0039] The elastic sliding mechanism includes: a pushing plate 16, which is slidably installed on the outer surface of the output end of the electric push rod 15, and the electric push rod 15 and the pushing plate 16 are concentrically designed, and a spring 17 is arranged between the pushing plate 16 and the electric push rod 15, a groove is arranged on the outer surface of the side of the pushing plate 16 close to the extrusion plate 13, and a cutting plate 18 is slidably installed inside the groove of the pushing plate 16, the cutting plate 18 is fixedly installed at the output end of the electric push rod 15, and the cutting plate 18 and the pushing plate 16 are concentrically designed, and an arc-shaped depression is arranged on the side surface of the cutting plate 18.
[0040] When the electric push rod 15 is pressed down, the pushing plate 16 and the cutting plate 18 will be pushed to move together, so that the pushing plate 16 will squeeze the extrusion plate 13 to squeeze out the lead wires of the stator 8. Then the cutting plate 18 will be pressed down to make the lead wires of the stator 8 move along the arc-shaped depression of the cutting plate 18, and cooperate with the positioning protection base 9 to cut off the excess length of the wire.
[0041] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A head cutting machine with a safety protection structure, comprising a frame (1), a limit wrapping plate (2) is fixedly installed inside the frame (1), and the limit wrapping plate (2) is of U-shaped design, a stator (8) is arranged inside the limit wrapping plate (2), and the outer surface of the stator (8) is in contact with the inner surface of the limit wrapping plate (2), and the limit wrapping plate (2) and the stator (8) are of concentric design, an electric push rod (15) is fixedly installed on the outer surface of one end of the frame (1) away from the limit wrapping plate (2), and the output end of the electric push rod (15) passes through the outer surface of the frame (1), and the electric push rod (15) and the stator (8) are of concentric design, characterized in that: A snap-fit positioning mechanism is provided between the frame (1) and the limiting wrapping plate (2), and the snap-fit positioning mechanism can prevent workers from being injured due to misoperation.
2. A head cutting machine with a safety protection structure according to claim 1, characterized in that: The engaging and positioning mechanism comprises: a positioning slot (4), the positioning slot (4) being fixedly mounted on the side surface of the limiting wrapping plate (2), and a fitting detection switch being arranged on the side surface of the limiting wrapping plate (2), a horizontal positioning stick (3) being arranged between the positioning slot (4) and the limiting wrapping plate (2), and block-shaped protrusions being arranged at both ends of the horizontal positioning stick (3), and the block-shaped protrusions on both sides of the horizontal positioning stick (3) fitting with the side surface of the positioning slot (4), and the side surface of the positioning slot (4) fitting with the outer surface of the horizontal positioning stick (3), and a button (7) being fixedly mounted on the side surface of the frame (1), and the button (7) being arranged at both ends of the frame (1).
3. The head cutting machine with a safety protection structure according to claim 1, characterized in that: A discharge trough (5) is provided on a side of the frame (1) close to the limiting wrapping plate (2), and the discharge trough (5) and the limiting wrapping plate (2) are designed to be concentric, and a collection frame (6) is slidably mounted on the outer surface of one end of the frame (1) away from the limiting wrapping plate (2), and the collection frame (6) is located below the discharge trough (5).
4. The head cutting machine with a safety protection structure according to claim 1, characterized in that: A sliding engagement mechanism is provided on the outside of the stator (8), and the copper wire connector of the stator (8) is squeezed by the sliding engagement mechanism.
5. The head cutting machine with a safety protection structure according to claim 4, characterized in that: The sliding engagement mechanism comprises: a positioning protection base (9), the positioning protection base (9) being slidably mounted inside the stator (8), the inner surface of the stator (8) being in contact with the outer surface of the positioning protection base (9), and the positioning protection base (9) being of a hollow design, a positioning plate (11) being mounted on one end of the positioning protection base (9) away from the collecting frame (6), and a limiting block (12) being fixedly mounted on the side surface of the positioning plate (11), and the side surface of the positioning plate (11) being in contact with the magnetic steel of the stator (8). The side surface of the positioning protection base (9) is provided with a receiving groove (10), and the interior of the receiving groove (10) is engaged with the coil of the stator (8), the side of the positioning plate (11) away from the discharge groove (5) is provided with an extrusion plate (13), and the outer surface of the extrusion plate (13) is engaged with the limit block (12), and the interiors of the positioning plate (11) and the extrusion plate (13) are evenly provided with guide holes (14), and the guide holes (14) between the positioning plate (11) and the extrusion plate (13) are aligned with each other.
6. The head cutting machine with a safety protection structure according to claim 1, characterized in that: An elastic sliding mechanism is provided between the electric push rod (15) and the frame (1), and the extrusion plate (13) is pressed downward by the elastic sliding mechanism, while preventing the cut part from leaking out and causing accidental injury to personnel.
7. The head cutting machine with a safety protection structure according to claim 6, characterized in that: The elastic sliding mechanism comprises: a push plate (16), the push plate (16) being slidably mounted on the outer surface of the output end of the electric push rod (15), the electric push rod (15) and the push plate (16) being concentrically designed, and a spring (17) being arranged between the push plate (16) and the electric push rod (15), a groove being arranged on the outer surface of one side of the push plate (16) close to the extrusion plate (13), and a cutting plate (18) being slidably mounted inside the groove of the push plate (16), the cutting plate (18) being fixedly mounted on the output end of the electric push rod (15), the cutting plate (18) and the push plate (16) being concentrically designed, and an arc-shaped depression being arranged on the side surface of the cutting plate (18).