Mechanism for automatically cutting insulation paper of motor rotor core

By designing the cutting knife guide parts and paper passages in the automatic cutting mechanism of the insulated paper of the motor rotor core, the problem of poor stability during the movement of the cutting knife is solved, and efficient and accurate cutting of the insulated paper is achieved.

CN222609732UActive Publication Date: 2025-03-14DUNKERMOTOREN TAICANG CO LTD
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Patent Information

Application Number
CN202421310263.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-07
Publication Date
2025-03-14
Estimated Expiration
2034-06-07

AI Technical Summary

Technical Problem

The existing insulated paper cutting mechanism lacks guidance during the movement of the cutting tool, resulting in poor stability of the cutting tool and affecting production efficiency.

Method used

A mechanism for automatically cutting off the insulated paper of the motor rotor core is designed. By setting an axial mounting hole and a give way opening on the cutting tool guide component, and combining the design of the paper passage and the cutting tool drive unit, the cutting tool is guided during the reciprocating movement to ensure its stable operation.

Benefits of technology

Through the design of this mechanism, the cutting knife remains stable during operation, improving the accuracy and efficiency of insulating paper cutting, and enhancing the continuity and quality of production.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222609732U_ABST
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Abstract

The utility model discloses a mechanism for automatically cutting off insulation paper of a motor rotor core, which comprises a cutter, a cutter driving unit, an insulation paper guide part, a paper delivery unit and a cutter guide part, the cutter guide part is provided with an axial mounting hole, the circumferential surface of the cutter guide part is provided with an abdicating opening, and the cutter driving unit is arranged on the cutter guide part. One end of the cutter guide component is fixed with the paper delivery unit, a paper passing channel for insulation paper to pass through is formed between the paper delivery unit and the cutter guide component, an output port of the insulation paper guide component is matched with an input port of the paper passing channel, and after the cutter is in clearance fit with the mounting hole, the cutter corresponds to the paper passing channel. The cutter driving unit penetrates through the receding opening to be connected with the cutter. According to the utility model, the operation process of the cutter is stable in the process of cutting off insulation paper.
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Description

Technical Field

[0001] The utility model relates to the technical field of motor rotors, in particular to a mechanism for automatically cutting off insulation paper of a motor rotor iron core. Background Art

[0002] With the rapid development of science and technology, and the improvement of human living standards and requirements, whether in enterprises, institutions, residential communities or residential places, automated or intelligent equipment is becoming more and more common, and replacement is becoming commonplace. As the core transmission component of automated equipment, the demand for motors is also increasing.

[0003] The motor winding is a key component of the motor, which consists of an iron core and a copper wire winding embedded in the iron core slot. In the process of making the motor winding, for insulation, it is necessary to first insert insulating paper into the iron core slot and then embed copper wire into the iron core slot. Although the insulation performance is reliable, the process is complicated and there are many manual operations, resulting in low production efficiency.

[0004] The existing insulating paper cutting mechanism includes a cutter and a push plate. The push plate is used to push the insulating paper into the forming groove in the left and right directions while the cutter is cutting the paper. The push plate is located in front of the cutter and is arranged opposite to the forming groove. The cutter and the push plate are fixed on a vertical driving plate, which is driven by a cylinder to achieve simultaneous forward and backward movement of the cutter and the push plate in the left and right directions.

[0005] For the above-mentioned insulating paper cutting mechanism, since the cutter is directly fixed on the vertical driving plate, and the driving plate is driven by a cylinder, the cutter does not obtain any guidance during the entire driving process. Therefore, the cutter is prone to vibrate during movement and the stability of the cutter is poor. Utility Model Content

[0006] In view of the above problems, the utility model provides a mechanism for automatically cutting the insulation paper of the motor rotor core. The utility model stabilizes the operation process of the cutter during the process of cutting the insulation paper.

[0007] The technical solutions to the above technical problems are as follows:

[0008] A mechanism for automatically cutting insulating paper of a motor rotor core comprises a cutter, a cutter driving unit, an insulating paper guiding component, a paper discharging unit, and a cutter guiding component. The cutter guiding component is provided with an axial mounting hole, and a clearance opening is provided on the circumferential surface of the cutter guiding component. One end of the cutter guiding component is fixed to the paper discharging unit, and a paper passing channel for insulating paper to pass through is formed between the paper discharging unit and the cutter guiding component. The output port of the insulating paper guiding component cooperates with the input port of the paper passing channel. After the cutter and the mounting hole clearance cooperate, the cutter corresponds to the paper passing channel, and the cutter driving unit passes through the clearance opening and is connected to the cutter.

[0009] Furthermore, the cutter guide component includes a guide column and a fixing seat, the guide column is fixed to the fixing seat, the fixing seat is fixed to the paper output unit, the mounting hole passes through the guide column and the fixing seat, and the clearance opening is arranged on the peripheral surface of the guide column.

[0010] Furthermore, a guide hole is provided on the circumferential surface of the cutter guide component, and a shaft moving along the guide hole is provided on the circumferential surface of the cutter, and the shaft cooperates with the guide hole.

[0011] Furthermore, the cutter drive unit includes a linear drive assembly, a connecting plate, and a cutter connecting assembly. The linear drive assembly is fixed to the connecting plate, the cutter connecting assembly is fixed to the connecting plate, and the cutter connecting assembly is connected to the cutter.

[0012] Furthermore, the linear drive assembly includes a workbench, a cylinder, a connecting rod, a guide rail, and a slider. The cylinder is fixed to one end of the connecting rod, the other end of the connecting rod is fixed to a connecting plate, the connecting plate is fixed to the slider, the slider is slidably matched with the guide rail, and the guide rail is fixed to the workbench.

[0013] Furthermore, the cutter connecting assembly includes a cutter seat, a pressure block, and a connecting component. The pressure block is fixed to the cutter drive unit, the cutter seat is pressed between the pressure block and the cutter drive unit, one end of the connecting component cooperates with the cutter seat or the pressure block, and the other end of the connecting component is connected to the cutter guide component.

[0014] When the utility model is working, the insulating paper enters the paper passing channel after passing through the insulating paper guide component, and the cutter is driven by the cutter driving unit to reciprocate along the axial direction of the cutter guide component. In this process, the insulating paper in the paper passing channel is cut off. In the utility model, since the cutter is located in the mounting hole, the guide column guides the cutter located in the mounting hole during the reciprocating motion of the cutter along the cutter guide component. In addition, when the cutter reciprocates along the cutter guide component, the cooperation of the shaft and the guide hole further guides the cutter located in the mounting hole. The above allows the cutter to remain stable during operation.

[0015] In summary, the utility model can stably and efficiently realize continuous production in the automated production process of motor rotors to meet the production needs of enterprises, and continuously provide customers with products with guaranteed quality and quantity to meet customer needs. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 The utility model is a three-dimensional diagram of a mechanism for automatically cutting off insulation paper of a motor rotor core.

[0017] Figure 2 It is a schematic diagram of the cooperation between the cutter and the cutter guide component.

[0018] Figure 3This is a diagram showing the coordination between the cutter guide component, the paper discharge unit, and a portion of the cutter drive unit.

[0019] Figure 4 Schematic diagram of the intermediate connecting seat.

[0020] Figure 5 Schematic diagram of the briquette.

[0021] Markings in the attached drawings:

[0022] Cutter 1, shaft 1a, insulating paper guide component 2, paper discharge unit 3, paper discharge seat 3a, paper cutting seat 3b, cutter guide component 4, mounting hole 4a, clearance opening 4b, guide column 4c, fixing seat 4d, guide hole 4e, bell mouth 4f, paper feeding channel 5, connecting plate 6, workbench 7, cylinder 8, connecting rod 9, guide rail 10, slider 11, knife seat 12, end connecting seat 12a, middle connecting seat 12b, pressure block 13, support block 13a, pressure block 13b, notch 13c, connecting component 14, connecting rod 14a, support block 14b. DETAILED DESCRIPTION

[0023] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0024] like Figures 1 to 5 As shown, a mechanism for automatically cutting the insulating paper of a motor rotor core of the utility model comprises a cutter 1, a cutter driving unit, an insulating paper guiding component 2, a paper discharging unit 3, and a cutter guiding component 4. Each part and the relationship between the parts are described in detail below.

[0025] The cutter 1 is composed of a cutter bar and a blade. The cutter bar is cylindrical and the blade is flat. A shaft 1a is provided on the circumference of the cutter 1 and the shaft 1a is fixed to the cutter bar.

[0026] The cutter drive unit comprises a linear drive assembly, a connecting plate 6 and a cutter connecting assembly. The linear drive assembly is fixed to the connecting plate 6 , the cutter connecting assembly is fixed to the connecting plate 6 , and the cutter connecting assembly is connected to the cutter 1 .

[0027] The linear drive assembly includes a workbench 7, a cylinder 8, a connecting rod 9, a guide rail 10, and a slider 11. The cylinder 8 is fixed to one end of the connecting rod 9, the other end of the connecting rod 9 is fixed to the connecting plate 6, the connecting plate 6 is fixed to the slider 11, the slider 11 is slidably matched with the guide rail 10, and the guide rail 10 is fixed to the workbench 7. In this embodiment, a through hole is provided on the workbench 7, the cylinder 8 is located below the workbench 7, the guide rail 10 and the slider 11 are located above the workbench 7, and the connecting rod 9 passes through the through hole on the workbench 7.

[0028] The cutter connecting assembly includes a cutter seat 12, a pressure block 13, and a connecting component 14. The pressure block 13 is fixed to the cutter drive unit, and the cutter seat 12 is pressed between the pressure block 13 and the cutter drive unit. One end of the connecting component 14 cooperates with the cutter seat 12 or the pressure block 13, and the other end of the connecting component 14 is connected to the cutter guide component 4.

[0029] The knife seat 12 includes an end connecting seat 12a and an intermediate connecting seat 12b. There are two end connecting seats 12a. The intermediate connecting seat 12b is located between the two end connecting seats 12a and fixed to the end connecting seats 12b. A slot 12c is provided below the intermediate connecting seat 12b. The pressing block 13 includes a supporting block 13a and a pressing block 13b. After the supporting block 13a and the pressing block 13b are fixed, the cross-section of the pressing block 13 is L-shaped. The end connecting seat 12a is connected to the connecting plate 6 by screws. The supporting block 13a passes through the slot 12c and is connected to the connecting plate 6 by screws. The intermediate connecting seat 12b is clamped between the pressing block 13b and the connecting plate 6.

[0030] A notch 13c is provided on the support block 13a, and the connecting component 14 includes a connecting rod 14a and a support block 14b. The support block 14b is interference fit with the notch 13c, so that the support block 14b and the support block 13a are fastened together, one end of the connecting rod 14a is fixed to the support block 14b, and the other end of the connecting rod 14a passes through the middle connecting seat 12b and is fixed to the cutter 1.

[0031] The cutter guide component 4 is provided with an axial mounting hole 4a, and a clearance opening 4b is provided on the circumferential surface of the cutter guide component 4. The connecting rod 14a is clearance-matched with the clearance opening 4b.

[0032] The cutter guide component 4 includes a guide column 4c and a fixing seat 4d. The guide column 4c is fixed to the fixing seat 4d. The fixing seat 4d is fixed to the paper discharge unit 3. The mounting hole 4a passes through the guide column 4c and the fixing seat 4d. The clearance opening 4b is provided on the circumference of the guide column 4c. A guide hole 4e is provided on the circumference of the cutter guide component 4. A shaft 1a that moves along the guide hole 4e is provided on the circumference of the cutter 1. The shaft 1a cooperates with the guide hole 4e.

[0033] One end of the cutter guide component 4 is fixed to the paper discharge unit 3, and a paper passing channel 5 for insulating paper to pass through is formed between the paper discharge unit 3 and the cutter guide component 4. A bell mouth 4f is provided on the fixed seat 4d, and the bell mouth 4f is connected to the paper passing channel 5. The bell mouth 4f can make it more convenient to take paper in the next process.

[0034] The paper discharging unit 3 is composed of a paper discharging seat 3a and a paper cutting seat 3b. The paper discharging seat 3a is fixed to the paper cutting seat 3b. After the fixing seat 4d is fixed to the paper cutting seat 3b, a paper passing passage 5 is formed between the fixing seat 4d and the paper cutting seat 3b. When the cutter 1 needs to be replaced after being worn, it can be replaced by simply disassembling the fixing seat 4d and the cutter connecting assembly, which has the advantage of convenient knife replacement.

[0035] The output port of the insulating paper guide component 2 matches with the input port of the paper passage 5. The insulating paper guide component 2 is provided with a paper feeding passage. After the insulating paper passes through the paper feeding passage, the insulating paper enters the paper passage 5. After the cutter 1 and the mounting hole 4a are gap-matched, the cutter 1 corresponds to the paper passage 5, and the cutter drive unit passes through the clearance opening 4b to connect with the cutter 1, that is, the connecting rod 14a passes through the middle connecting seat 12b to be fixed to the cutter 1.

[0036] The working process of the utility model is as follows:

[0037] After passing through the insulating paper guide component 2, the insulating paper enters the paper passage 5, and the cutter 1 is driven by the cutter driving unit to reciprocate along the axial direction of the cutter guide component 4. During this process, the insulating paper in the paper passage 5 is cut off. In the utility model, since the cutter 1 is located in the mounting hole 4a, the guide column 4c guides the cutter 1 located in the mounting hole 4a during the reciprocating motion of the cutter 1 along the cutter guide component 4. In addition, when the cutter 1 reciprocates along the cutter guide component 4, the cooperation of the shaft 1a and the guide hole 4e further guides the cutter 1 located in the mounting hole 4a. The above allows the cutter 1 to remain stable during operation.

[0038] Finally, it should be noted that the above-described implementation mode is only a preferred embodiment of the utility model to illustrate the technical solution of the utility model, and does not limit it, let alone limit the protection scope of the utility model; although the utility model is described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents; and these modifications or replacements do not make the essence of the corresponding technical solution deviate from the protection scope of the claims.

Claims

1. A mechanism for automatically cutting off insulation paper of a motor rotor core, comprising a cutter (1), a cutter driving unit, an insulation paper guide component (2), and a paper discharging unit (3), characterized in that: The invention also comprises a cutter guide component (4), wherein an axial mounting hole (4a) is provided on the cutter guide component (4), a clearance opening (4b) is provided on the circumferential surface of the cutter guide component (4), one end of the cutter guide component (4) is fixed to the paper discharge unit (3), a paper passage (5) for insulating paper to pass through is formed between the paper discharge unit (3) and the cutter guide component (4), an output port of the insulating paper guide component (2) is matched with an input port of the paper passage passage (5), and after the cutter (1) and the mounting hole (4a) are clearance-matched, the cutter (1) corresponds to the paper passage passage (5), and a cutter drive unit passes through the clearance opening (4b) and is connected to the cutter (1).

2. The mechanism for automatically cutting off the insulation paper of the motor rotor core according to claim 1 is characterized in that: The cutter guide component (4) comprises a guide column (4c) and a fixed seat (4d), the guide column (4c) is fixed to the fixed seat (4d), the fixed seat (4d) is fixed to the paper output unit (3), the mounting hole (4a) passes through the guide column (4c) and the fixed seat (4d), and the clearance opening (4b) is arranged on the peripheral surface of the guide column (4c).

3. A mechanism for automatically cutting off insulation paper of a motor rotor core according to claim 1 or 2, characterized in that: A guide hole (4e) is provided on the circumferential surface of the cutter guide component (4), and a shaft (1a) that moves along the guide hole (4e) is provided on the circumferential surface of the cutter (1), and the shaft (1a) cooperates with the guide hole (4e).

4. The mechanism for automatically cutting off the insulation paper of the motor rotor core according to claim 1 is characterized in that: The cutter drive unit comprises a linear drive component, a connecting plate (6), and a cutter connecting component. The linear drive component is fixed to the connecting plate (6), the cutter connecting component is fixed to the connecting plate (6), and the cutter connecting component is connected to the cutter (1).

5. The mechanism for automatically cutting off the insulation paper of the motor rotor core according to claim 4, characterized in that: The linear drive assembly comprises a workbench (7), a cylinder (8), a connecting rod (9), a guide rail (10), and a slider (11). The cylinder (8) is fixed to one end of the connecting rod (9), the other end of the connecting rod (9) is fixed to a connecting plate (6), the connecting plate (6) is fixed to the slider (11), the slider (11) is slidably matched with the guide rail (10), and the guide rail (10) is fixed on the workbench (7).

6. The mechanism for automatically cutting off the insulation paper of the motor rotor core according to claim 4, characterized in that: The cutter connection assembly comprises a cutter seat (12), a pressure block (13), and a connection component (14); the pressure block (13) is fixed to a cutter drive unit; the cutter seat (12) is pressed between the pressure block (13) and the cutter drive unit; one end of the connection component (14) cooperates with the cutter seat (12) or the pressure block (13); and the other end of the connection component (14) is connected to a cutter guide component (4).