Material pulling mechanism for hardware material belt

Through the design of the transmission mechanism and upper and lower wheel sets driven by the servo motor, combined with the synchronization wheel and the synchronization belt, the accuracy problem of the hardware belt pulling mechanism is solved, and a high-precision feeding effect is achieved.

CN223185220UActive Publication Date: 2025-08-05HEYUAN HAOJIDA COMM EQUIP CO LTD
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Patent Information

Application Number
CN202422331896.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-08-05
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

During the feeding process, due to the instability and mechanical structure limitation of the pneumatic feeder, the existing hardware tape pulling mechanism is difficult to meet the high-precision feeding requirements, especially in multiple process processing, which cannot meet the accuracy and position requirements.

Method used

The transmission mechanism driven by servo motor is combined with the upper and lower wheel set design. Through the coordination of the synchronization wheel and the synchronization belt, the material belt is ensured to be closely fit during the material drawing process. It is detected in place with optical fiber to ensure accuracy. The cylinder is pressed for adjustment and fixing the material belt.

Benefits of technology

The accuracy and accuracy of the tape during the pulling process is achieved, offset and slippage are avoided, and the accuracy and efficiency of feeding are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a material pulling mechanism for a hardware material belt, and relates to the technical field of material pulling of the hardware material belt, the material pulling mechanism comprises a machine body and a cross rod fixedly connected to the top of the machine body, a material guiding mechanism is arranged in the machine body, a material guiding groove is arranged in the material guiding mechanism, the material guiding groove slides in a material pouring mechanism, and the material pouring mechanism is arranged in the machine body. A servo motor is arranged at the bottom of the guide groove, a transmission mechanism is arranged on the servo motor and comprises a gear body arranged on one side of the machine body, an end shaft gear is meshed with the bottom of the gear body and rotationally inserted into the machine body, and a first synchronous wheel is fixedly connected to the side, close to the end shaft gear, of the machine body. A second synchronous wheel is arranged at the bottom of the first synchronous wheel, and the second synchronous wheel and the first synchronous wheel are jointly tensioned by a synchronous belt; through the design of the upper wheel set and the lower wheel set, the material pulling device can be more tightly attached to the surface of a material belt, it is guaranteed that the material belt cannot deviate or slip in the material pulling process, and the precision is more accurate.
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Description

Technical Field

[0001] The utility model relates to the technical field of hardware material strip pulling, in particular to a pulling mechanism for hardware material strips. Background Art

[0002] In the metal processing industry, metal strip (also known as metal coil or strip) pulling mechanisms are essential, critical equipment. Their primary function is to smoothly and accurately pull the strip from storage or transportation and deliver it to subsequent processing equipment, such as stamping machines, shears, and wire drawing machines. With the rapid development of the metal processing industry, the technical requirements for strip pulling mechanisms are becoming increasingly stringent.

[0003] However, the existing pulling mechanism of hardware material strips still has some shortcomings in actual use: during the feeding process, the pneumatic feeder is difficult to achieve the feeding accuracy required for high-precision processing due to the instability of air pressure and the limitations of the mechanical structure. When the material strip undergoes multiple processes such as one punch and two punches, the feeding accuracy and position requirements are higher, and pneumatic feeding cannot meet these requirements.

[0004] To this end, we designed a pulling mechanism for hardware strips to solve the above problems. Utility Model Content

[0005] The purpose of the present utility model is to provide a pulling mechanism for hardware strips to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the utility model provides a pulling mechanism for hardware material strips, including a machine body and a cross bar fixedly connected to the top of the machine body, a material guiding mechanism is provided in the machine body, a material guiding trough is provided in the material guiding mechanism, the material guiding trough slides in the material pouring mechanism, a servo motor is provided at the bottom of the material guiding trough, a transmission mechanism is provided on the servo motor, the transmission mechanism includes a gear body provided on one side of the machine body, an end shaft gear is engaged with the bottom of the gear body, the end shaft gear is rotatably inserted in the machine body, a first synchronous wheel is fixedly connected to the side close to the end shaft gear, a second synchronous wheel is provided at the bottom of the first synchronous wheel, and the second synchronous wheel and the first synchronous wheel are jointly tightened with a synchronous belt.

[0007] Furthermore, an upper wheel assembly is provided at the other end of the gear body, the gear body is fixedly connected to one end of the upper wheel assembly, and two symmetrical upper wheel assembly swing arms are provided at the other end of the upper wheel assembly.

[0008] Furthermore, a pressing cylinder is provided at the other end of the second synchronous wheel, and the second synchronous wheel is fixedly plugged into the driving end of the pressing cylinder. A lower wheel group is provided on the top of the pressing cylinder, and the lower wheel group is transmission-connected to the material guide mechanism.

[0009] Furthermore, two material belt bodies matching the material guide groove are provided at both ends of the material guide mechanism, and the two material belt bodies are fixedly connected to the front and rear ends of the material guide mechanism.

[0010] Furthermore, one of the material strip bodies is provided with an optical fiber position detection device, and the optical fiber position detection device is vertically fixed on the material strip body.

[0011] Furthermore, a connecting shaft is provided at a position of the two upper wheel assembly swing arms away from the upper wheel assembly, the connecting shaft is fixedly inserted between the two upper wheel assembly swing arms, and the upper wheel assembly is rotatably inserted between the two upper wheel assembly swing arms.

[0012] Compared with the prior art, the beneficial effects of the present invention are: the clamping cylinder connected to the upper wheel group swing arm starts to work, the clamping cylinder piston rod is retracted, the upper wheel group is pressed down to cooperate with the lower wheel group to clamp the material guide trough, and at the same time the shaft end gear is engaged, the servo motor is started, and at the same time the servo motor drives the second synchronous wheel to move and rotate, while the synchronous belt is used to drive the first synchronous wheel to rotate. At this time, the gear body should be the end shaft gear on the first synchronous wheel to rotate synchronously, driving the gear body to rotate, and at the same time making the upper wheel group rotate on the connecting shaft. The design of the upper wheel group and the lower wheel group can fit closely to the surface of the material belt, ensuring that the material belt will not deviate or slip during the pulling process, making the precision more accurate and efficient. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the front structure of the utility model;

[0014] Figure 2 This is a side structural diagram of the utility model;

[0015] Figure 3 This is a schematic diagram of the back structure of the utility model;

[0016] Figure 4 It is a schematic diagram of the internal structure of the utility model.

[0017] In the figure: 1. Machine body; 2. First synchronous wheel; 3. Second synchronous wheel; 4. Synchronous belt; 5. Connecting shaft; 6. Upper wheel assembly swing arm; 7. Upper wheel assembly; 8. Gear body; 9. Servo motor; 10. Material belt body; 11. Material guide trough; 12. Clamping cylinder; 13. Fiber optic detection position; 14. Cross bar; 15. Lower wheel assembly. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0019] See also Figure 1-4 The utility model provides a technical solution: a pulling mechanism for hardware material strips, comprising a body 1 and a cross bar 14 fixedly connected to the top of the body 1, a material guiding mechanism is provided in the body 1, a material guiding trough 11 is provided in the material guiding mechanism, the material guiding trough 11 slides in the material pouring mechanism, a servo motor 9 is provided at the bottom of the material guiding trough 11, and a transmission mechanism is provided on the servo motor 9, the transmission mechanism comprises a gear body 8 provided on one side of the body 1, an end shaft gear is engaged with the bottom of the gear body 8, the wheel is rotatably inserted in the body 1, and a first synchronous wheel 2 is fixedly connected to the side close to the wheel disc, a second synchronous wheel 3 is provided at the bottom of the first synchronous wheel 2, and a synchronous belt 4 is tightened together with the second synchronous wheel 3 and the first synchronous wheel 2.

[0020] The other end of the gear body 8 is provided with an upper wheel group 7, the gear body 8 is fixedly connected to one end of the upper wheel group 7, and the other end of the upper wheel group 7 is provided with two groups of symmetrical upper wheel group swing arms 6.

[0021] A connecting shaft 5 is provided at a position of the two upper wheel group swing arms 6 away from the upper wheel group 7. The connecting shaft 5 is fixedly inserted between the two upper wheel group swing arms 6, and the upper wheel group 7 is rotatably inserted between the two upper wheel group swing arms 6.

[0022] During specific implementation, the servo motor 9 is started, and at the same time, the servo motor 9 drives the second synchronous wheel 3 to move and rotate, and the synchronous belt 4 is used to drive the first synchronous wheel 2 to rotate. At this time, the gear body 8 should be synchronized with the end shaft gear on the first synchronous wheel 2 to rotate, driving the gear body 8 to rotate, and at the same time making the upper wheel group 7 rotate on the connecting shaft 5.

[0023] See Figure 1-4 As shown, two material strip bodies 10 matching the material guide groove 11 are further provided at both ends of the material guide mechanism, and the two material strip bodies 10 are fixedly connected to the front and rear ends of the material guide mechanism.

[0024] An optical fiber positioning detection device 13 is provided on one of the material strip bodies 10 , and the optical fiber positioning detection device 13 is vertically fixed on the material strip body 10 .

[0025] During specific implementation, the material guide trough 11 is placed in the material belt body 10 when in use. At this time, the clamping cylinder 12 connected to the upper wheel group swing arm 6 starts to work, the clamping cylinder 12 piston rod is retracted, the upper wheel group 7 is pressed down and cooperates with the lower wheel group 15 to clamp the material guide trough 11, and the shaft end gear is engaged.

[0026] See Figure 1-4 The other end of the second synchronous wheel 3 is provided with a clamping cylinder 12, and the second synchronous wheel 3 is fixedly plugged into the driving end of the clamping cylinder 12. The top of the clamping cylinder 12 is provided with a lower wheel group 15, and the lower wheel group 15 is transmission-connected to the material guide mechanism.

[0027] In specific implementation, after the step stroke is completed, the optical fiber detection position 13 confirms whether the material is pulled accurately against the edge hole of the guide trough 11. After no alarm is given, the piston rod of the pressing cylinder 12 is extended.

[0028] Working principle: When in use, place the guide trough 11 into the material belt body 10. At this time, the pressing cylinder 12 connected to the upper wheel group swing arm 6 starts to work, the pressing cylinder 12 piston rod is retracted, the upper wheel group 7 presses down and cooperates with the lower wheel group 15 to press the guide trough 11, and at the same time the shaft end gear engages;

[0029] Start the servo motor 9. At the same time, the servo motor 9 drives the second synchronous wheel 3 to move and rotate. At the same time, the synchronous belt 4 is used to drive the first synchronous wheel 2 to rotate. At this time, the gear body 8 should rotate synchronously with the end shaft gear on the first synchronous wheel 2, driving the gear body 8 to rotate, and at the same time, the upper wheel group 7 rotates on the connecting shaft 5.

[0030] After the step stroke is completed, the optical fiber detection position 13 confirms whether the material is pulled accurately against the edge hole of the guide trough 11. After no alarm, the piston rod of the pressing cylinder 12 is extended; after completion, the next process is repeated.

Claims

1. A pulling mechanism for a metal strip, comprising a body (1) and a crossbar (14) fixedly connected to the top of the body (1), characterized in that: A material guide mechanism is provided in the machine body (1), a material guide trough (11) is provided in the material guide mechanism, the material guide trough (11) slides in the material pouring mechanism, a servo motor (9) is provided at the bottom of the material guide trough (11), a transmission mechanism is provided on the servo motor (9), the transmission mechanism includes a gear body (8) provided on one side of the machine body (1), an end shaft gear is meshed at the bottom of the gear body (8), the end shaft gear is rotatably inserted in the machine body (1), a first synchronous wheel (2) is fixedly connected to the side close to the end shaft gear, a second synchronous wheel (3) is provided at the bottom of the first synchronous wheel (2), and the second synchronous wheel (3) and the first synchronous wheel (2) are jointly tightened with a synchronous belt (4).

2. A pulling mechanism for a metal strip according to claim 1, characterized in that: The other end of the gear body (8) is provided with an upper wheel assembly (7), the gear body (8) is fixedly connected to one end of the upper wheel assembly (7), and the other end of the upper wheel assembly (7) is provided with two symmetrical upper wheel assembly swing arms (6).

3. A pulling mechanism for a metal strip according to claim 1, characterized in that: The other end of the second synchronous wheel (3) is provided with a pressing cylinder (12), and the second synchronous wheel (3) is fixedly plugged into the driving end of the pressing cylinder (12). The top of the pressing cylinder (12) is provided with a lower wheel group (15), and the lower wheel group (15) is transmission-connected to the material guide mechanism.

4. A pulling mechanism for a metal strip according to claim 1, characterized in that: Two material belt bodies (10) matching the material guide groove (11) are also provided at both ends of the material guide mechanism, and the two material belt bodies (10) are fixedly connected to the front and rear ends of the material guide mechanism.

5. A pulling mechanism for a hardware strip according to claim 4, characterized in that: One of the material strip bodies (10) is provided with an optical fiber positioning detection device (13), and the optical fiber positioning detection device (13) is vertically fixed on the material strip body (10).

6. A pulling mechanism for a metal strip according to claim 2, characterized in that: A connecting shaft (5) is provided at a position of the two upper wheel assembly swing arms (6) away from the upper wheel assembly (7); the connecting shaft (5) is fixedly inserted between the two upper wheel assembly swing arms (6); and the upper wheel assembly (7) is rotatably inserted between the two upper wheel assembly swing arms (6).