A stepping motor controller terminal block

CN224862577UActive Publication Date: 2026-10-16NANJING XINGBEI INTELLIGENT TECH CO LTD
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Patent Information

Application Number
CN202522438519.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-18
Publication Date
2026-10-16
Estimated Expiration
2035-11-18

AI Technical Summary

Technical Problem

现有步进电机控制器接线座在实际应用中,部分接线座采用简单的螺丝紧固方式,在设备长时间运行产生的震动影响下,螺丝松动对接线的紧固性能下降,此时一旦接线受到外力拉扯会造成接线从接线座上彻底松脱;还有传统接线座为了保证接线方便会延伸出控制器壳体,而接线座的接线部位裸露在外,难以有效抵御工业环境中的灰尘、水汽等杂质,这些杂质一旦侵入接线部位,会加速线路氧化,甚至造成短路,特别是在潮湿、多尘等恶劣工业环境中,严重威胁步进电机控制器的使用寿命和运行安全,因此,需要一种步进电机控制器接线座,解决现有技术中存在的问题

Benefits of technology

通过设置的夹线架和弹力机构,夹线架在复位弹簧的扭力回弹作用下自动复位,使得弹性胶垫紧密接触穿出接线座的接线,可以将接线牢固压紧,避免接线松动影响步进电机运行,有效提升了接线的稳固性,减少因接触不良导致的设备故障,并且在接线准备阶段,接线头的后端预先压紧在夹线架处以实现多根接线位置的区分和防掉落。

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Abstract

The utility model discloses a kind of stepping motor controller terminal block, comprising: controller, controller is used to control the operating state of stepping motor;Terminal block, terminal block is set on the shell of controller, terminal block is used to be electrically connected with stepping motor;Elastic mechanism, elastic mechanism is fixed in the top of the shell of controller;Wire holder, wire holder is rotatably connected on elastic mechanism, wire holder is used to compress the wiring of terminal block edge;The utility model is reset by the torsional resilience of reset spring under the wire holder and elastic mechanism of setting, so that elastic rubber pad is tightly contacted with the wiring of terminal block, wiring can be firmly compressed, avoid wiring loose influence stepping motor operation, effectively improve the stability of wiring, reduce the equipment failure caused by poor contact, and in wiring preparation stage, rear end of wiring head is pre-compressed in wire holder to realize the differentiation and anti-falling of the position of multiple wirings.
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Description

Technical Field

[0001] This utility model relates to the field of terminal block technology, specifically a terminal block for a stepper motor controller. Background Technology

[0002] In modern automated equipment, CNC machine tools, and other industrial production fields, the stepper motor controller is a core control component, and its operational stability directly determines the equipment's working efficiency and precision. The wiring connection between the stepper motor controller and the stepper motor is not only a channel for electrical power transmission but also a crucial link for control signal transmission. The stepper motor controller terminal block is the structure used for electrical connection with the stepper motor. In practical applications, some existing stepper motor controller terminal blocks use simple screw fastening. Under the influence of vibrations generated during long-term equipment operation, the screws loosen, reducing the tightness of the connection. In this case, if the connection is pulled by external force, it will completely detach from the terminal block. Furthermore, traditional terminal blocks extend beyond the controller housing for easy wiring, leaving the wiring area exposed. This makes it difficult to effectively protect against dust, moisture, and other impurities in the industrial environment. Once these impurities penetrate the wiring area, they accelerate circuit oxidation and may even cause short circuits. Especially in harsh industrial environments such as humid and dusty conditions, this seriously threatens the lifespan and operational safety of the stepper motor controller. Therefore, a new stepper motor controller terminal block is needed to solve the problems existing in the current technology. Utility Model Content

[0003] The purpose of this utility model is to provide a stepper motor controller terminal block to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a stepper motor controller terminal block, comprising: A controller, used to control the operating status of the stepper motor; A terminal block is disposed on the housing of the controller and is used for electrical connection with the stepper motor; A spring mechanism, which is fixed to the top of the controller housing; A wire clamp, rotatably connected to a spring mechanism, is used to clamp the wires at the edge of the terminal block; A wrapping mechanism is fixed inside the wire clamp and is used to adaptively seal the wiring part of the terminal block.

[0005] Preferably, the elastic mechanism includes a spring box, which is fixed to the top of the controller housing. A torsion rod is rotatably connected inside the spring box, and a rotating block is fixed to one end of the torsion rod that extends into the spring box.

[0006] Preferably, a return spring is fitted at the part of the torque rod that extends into the spring box, one end of the return spring is fixed to the inner end wall of the spring box, and the other end of the return spring is fixed to the end face of the return spring.

[0007] Preferably, one side surface of the wire clamp is provided with an assembly hole, and one end of the torsion lever extending out of the spring box is inserted and fixed in the assembly hole of the wire clamp.

[0008] Preferably, an elastic rubber pad is fixed on the side surface of the wire clamp near the tail of the controller, and a clamping opening is provided between the wire clamp and the tail of the controller.

[0009] Preferably, the inner surface of the wire clamp is provided with a receiving groove, and the wrapping mechanism is disposed in the receiving groove of the wire clamp.

[0010] Preferably, the wrapping mechanism includes rubber pads and an insulating cover, wherein the rubber pads are fixed in the receiving groove and the insulating cover is fixed to the lower part of the two rubber pads.

[0011] This utility model provides a stepper motor controller terminal block, which has the following advantages compared with the prior art: With the addition of a wire clamp and elastic mechanism, the wire clamp automatically resets under the torque of the return spring, ensuring that the elastic pad makes tight contact with the wires protruding from the terminal block. This firmly clamps the wires, preventing them from becoming loose and affecting the operation of the stepper motor. This effectively improves the stability of the wiring and reduces equipment failures caused by poor contact. Furthermore, during the wiring preparation stage, the rear end of the wire head is pre-pressed against the wire clamp to distinguish the positions of multiple wires and prevent them from falling off.

[0012] Through the designed wrapping mechanism, the insulating cover gradually covers the wiring part of the terminal block as the wire clamping frame presses down. The rubber pad relies on its own elastic support to enable the insulating cover to achieve self-adaptive sealing of the wiring part, which can prevent dust, moisture and other external impurities from entering, protect the wiring from external environmental interference, prevent short circuits or oxidation, extend the service life of the stepper motor controller terminal block, and ensure its stable operation in complex industrial environments. Attached Figure Description

[0013] Figure 1 This is a three-dimensional view of the overall structure of this utility model; Figure 2 This is a perspective view of the terminal block structure of this utility model; Figure 3 This is a three-dimensional view of the elastic mechanism structure of this utility model; Figure 4 This is a three-dimensional view of the packaging mechanism of this utility model; Figure 5This is a perspective view of the assembly hole structure of this utility model; Figure 6 This is a three-dimensional cross-sectional view of the spring box structure of this utility model; Figure 7 This is a three-dimensional view of the elastic rubber pad structure of this utility model; Figure 8 This is a perspective view of the insulating cover structure of this utility model.

[0014] In the diagram: 1. Controller; 2. Terminal block; 3. Wire clamp; 4. Elastic mechanism; 5. Wrapping mechanism; 6. Assembly hole; 7. Elastic pad; 8. Spring box; 9. Torque rod; 10. Rotating block; 11. Return spring; 12. Receiving groove; 13. Rubber pad; 14. Insulating cover. Detailed Implementation

[0015] 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.

[0016] Please see Figure 1-8 This utility model provides a stepper motor controller terminal block, comprising: Controller 1 is used to control the operating status of the stepper motor; Terminal block 2 is mounted on the housing of controller 1 and is used for electrical connection with stepper motor; The elastic mechanism 4 is fixed to the top of the housing of the controller 1. The elastic mechanism 4 includes a spring box 8, which is fixed to the top of the housing of the controller 1. A torsion rod 9 is rotatably connected inside the spring box 8. A rotating block 10 is fixed to one end of the torsion rod 9 that extends into the spring box 8. A return spring 11 is sleeved on the part of the torsion rod 9 that extends into the spring box 8. One end of the return spring 11 is fixed to the inner end wall of the spring box 8, and the other end of the return spring 11 is fixed to the end face of the return spring 11. The wire clamp 3 is rotatably connected to the elastic mechanism 4. The wire clamp 3 is used to press the wires on the edge of the terminal block 2. A mounting hole 6 is opened on one side surface of the wire clamp 3. One end of the torsion rod 9 extends out of the spring box 8 and is fixed in the mounting hole 6 of the wire clamp 3. The wire clamp 3 automatically resets under the torque rebound of the return spring 11, so that the elastic pad 7 makes tight contact with the wires passing through the terminal block 2, which can firmly press the wires and prevent the wires from loosening and affecting the operation of the stepper motor. This effectively improves the stability of the wires and reduces equipment failures caused by poor contact. In addition, during the wire preparation stage, the rear end of the wire head is pre-pressed on the wire clamp 3 to distinguish the positions of multiple wires and prevent them from falling off.

[0017] It is worth noting that an elastic rubber pad 7 is fixed on the side surface of the wire clamp 3 near the tail of the controller 1, and a clamping opening is provided between the wire clamp 3 and the tail of the controller 1. Among them, the wire clamp 3 uses the elastic rubber pad 7 to clamp the wire, which can adjust the length of the wire head for wiring operation, and finally connect the wire head to the terminal block 2.

[0018] The wrapping mechanism 5 is fixed inside the wire clamp 3. The wrapping mechanism 5 is used for the wiring part of the self-adaptive sealing terminal block 2. The wrapping mechanism 5 includes rubber pads 13 and insulating cover 14. The rubber pads 13 are fixed in the receiving groove 12, and the insulating cover 14 is fixed at the lower part of the two rubber pads 13. During the pressing down of the wire clamp 3, the insulating cover 14 gradually covers the wiring part of the terminal block 2, while the rubber pad 13 relies on its own elastic support to enable the insulating cover 14 to achieve self-adaptive sealing of the wiring part. This can prevent the intrusion of external impurities such as dust and moisture, protect the wiring from external environmental interference, prevent short circuits or oxidation, extend the service life of the stepper motor controller terminal block, and ensure its stable operation in complex industrial environments.

[0019] It is worth noting that the inner surface of the wire clamp 3 is provided with a receiving groove 12, and the wrapping mechanism 5 is disposed in the receiving groove 12 of the wire clamp 3.

[0020] In industrial production scenarios such as automated equipment and CNC machine tools, stepper motors are actuators that convert electrical pulse signals into angular or linear displacement. Their controllers are the core components that provide pulse signals to the stepper motor and regulate its operating state. The stable operation of the stepper motor controller is crucial, and the robustness and sealing of its wiring directly affect system reliability. Therefore, this solution aims to provide a stepper motor controller terminal block with the following working process: Before wiring the stepper motor controller terminal block, first pull the wire clamp 3 upwards, causing it to flip open the clamping opening between the clamp 3 and the tail of the controller 1, so that the wire can be inserted into the clamping opening. During the opening process, the torque rod 9 in the spring mechanism 4 rotates in the spring box 8, causing torsional deformation of the return spring 11. After the manual support of the wire clamp 3 is removed, the wire clamp 3 automatically returns to its original position under the torsional rebound of the return spring 11, so that the elastic rubber pad 7 makes tight contact with the wire that is inserted out of the terminal block 2, which can firmly press the wire and prevent the wire from loosening and affecting the operation of the stepper motor. This effectively improves the stability of the wiring and reduces equipment failures caused by poor contact. In addition, during the wiring preparation stage, the rear end of the wire head is pre-pressed on the wire clamp 3 to distinguish the positions of multiple wires and prevent them from falling off.

[0021] During wiring, pull the connector upwards to overcome the clamping force of the wire clamp 3 using the elastic pad 7. The length of the connector can be adjusted for wiring operations. Finally, connect the connector to the terminal block 2.

[0022] During the downward pressing of the wire clamp 3, the wrapping mechanism 5, which is fixed in the inner receiving groove 12, moves accordingly. The wrapping mechanism 5 includes a rubber pad 13 and an insulating cover 14. During the downward pressing of the wire clamp 3, the insulating cover 14 gradually covers the wiring part of the terminal block 2. The rubber pad 13 relies on its own elastic support to enable the insulating cover 14 to achieve self-adaptive sealing of the wiring part. This can prevent the intrusion of external impurities such as dust and moisture, protect the wiring from external environmental interference, prevent short circuits or oxidation, extend the service life of the stepper motor controller terminal block, and ensure its stable operation in complex industrial environments.

[0023] When it is necessary to disconnect the wiring, loosen the wire clamp 3. Under the elastic force of the return spring 11, the torque rod 9 drives the wire clamp 3 to reset, releasing the clamp and seal of the wire, and completing the wiring operation conveniently and quickly.

[0024] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Although embodiments of this utility model have been shown and described, this does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model. Regarding the embodiments of this utility model, those skilled in the art will understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model. The scope of this utility model is defined by the appended claims and their equivalents.

Claims

1. A stepper motor controller terminal block, characterized in that, include: Controller (1), the controller (1) is used to control the operating state of the stepper motor; Terminal block (2), which is disposed on the housing of controller (1), is used to electrically connect to stepper motor; Elastic mechanism (4), which is fixed to the top of the housing of controller (1); A wire clamp (3) is rotatably connected to a spring mechanism (4) and is used to press the wires on the edge of the terminal block (2). The wrapping mechanism (5) is fixed inside the wire clamp (3) and is used for the wiring part of the adaptive sealing terminal block (2).

2. The stepper motor controller terminal block according to claim 1, characterized in that: The elastic mechanism (4) includes a spring box (8), which is fixed to the top of the housing of the controller (1). A torque rod (9) is rotatably connected inside the spring box (8), and a rotating block (10) is fixed to one end of the torque rod (9) that extends into the spring box (8).

3. A stepper motor controller terminal block according to claim 2, characterized in that: A return spring (11) is fitted into the part of the torsion lever (9) that extends into the spring box (8). One end of the return spring (11) is fixed to the inner end wall of the spring box (8), and the other end of the return spring (11) is fixed to the end face of the return spring (11).

4. A stepper motor controller terminal block according to claim 1, characterized in that: The wire clamp (3) has an assembly hole (6) on one side surface, and the end of the torsion rod (9) extending out of the spring box (8) is fixed in the assembly hole (6) of the wire clamp (3).

5. A stepper motor controller terminal block according to claim 4, characterized in that: An elastic pad (7) is fixed on one side of the wire clamp (3) near the tail of the controller (1), and a clamping opening is provided between the wire clamp (3) and the tail of the controller (1).

6. A stepper motor controller terminal block according to claim 5, characterized in that: The inner surface of the wire clamp (3) is provided with a receiving groove (12), and the wrapping mechanism (5) is disposed in the receiving groove (12) of the wire clamp (3).

7. A stepper motor controller terminal block according to claim 1, characterized in that: The wrapping mechanism (5) includes rubber pads (13) and insulating cover (14). The rubber pads (13) are fixed in the receiving groove (12), and the insulating cover (14) is fixed to the lower part of the two rubber pads (13).