An automotive wiring harness terminal crimping control method and device

Abstract

The present invention relates to the technical field of automotive wiring harnesses, and in particular, to a method and device for controlling the crimping of automotive wiring harness terminals. The method for controlling the crimping of automotive wiring harness terminals includes obtaining the model data of the terminal coil based on the completion of the positioning of the terminal coil on the terminal crimping machine; controlling the winding component to rotate at a first acceleration and controlling the traction component to traction the baseband to move based on the completion of the positioning of the terminal coil on the terminal crimping machine; obtaining the tension of the baseband at a preset frequency based on the working state of the traction component; and controlling the winding component to rotate at a first deceleration and controlling the crimping component to crimp the terminals in sequence based on the tension of the baseband reaching the reference tension range. The device for controlling the crimping of automotive wiring harness terminals is applied to the method for controlling the crimping of automotive wiring harness terminals. In this way, the problem that the terminal tape is easily deformed by the traction force during the crimping of automotive wiring harness terminals is solved.

Description

Technical Field

[0001] The present invention relates to the technical field of automotive wiring harnesses, and more particularly, to a method and device for controlling the crimping of automotive wiring harness terminals. Background Art

[0002] In the production of automotive wiring harnesses, the terminal strip is usually overlapped with the protective strip and wound around the reel in a strip form. During use, it is pulled by a traction device so that the terminal strip passes through the crimping equipment for crimping. The terminal strip mainly consists of a baseband and terminals. A row of terminals is fixed on one side of the baseband, and the overlapping protective strip is mainly used to protect the terminals from damage during transportation. In the prior art, the traction device pulls the terminal strip for traction, and the unwound protective strip is wound up accordingly. The traction force on the reel is completely transmitted by the terminal strip. Also, because the main function of the baseband is to connect the terminals, its width is designed to be relatively narrow, resulting in low strength. When the traction force is set too large to improve production efficiency, the tension of the terminal strip is too large and it is easily deformed, resulting in inability to continuously brake and affecting production. Therefore, there is an urgent need for a terminal crimping control method that can reduce the traction force on the terminal strip and stably feed the material. Summary of the Invention

[0003] To solve the problem that the terminal strip is easily deformed by the traction force during the crimping of automotive wiring harness terminals, the present invention provides a method and device for controlling the crimping of automotive wiring harness terminals.

[0004] In a first aspect, the present invention provides a method for controlling the crimping of automotive wiring harness terminals, the method for controlling the crimping of automotive wiring harness terminals comprising:

[0005] Step S10, after the terminal reel is positioned on the terminal crimping machine, obtaining the model data of the terminal reel; wherein, the terminal reel includes a terminal strip and a protective strip; the terminal strip and the protective strip are attached and curled into a disc shape to form the terminal reel; the terminal strip includes a baseband and a plurality of terminals sequentially connected to the baseband; the model data includes the width of the baseband; the terminal crimping machine includes a winding component, a traction component, and a crimping component; in a state where the terminal reel is positioned on the terminal crimping machine, the winding component is detachably connected to one end of the protective strip; the traction component is detachably connected to one end of the baseband;

[0006] Step S20, after the terminal reel is positioned on the terminal crimping machine, controlling the winding component to rotate at a first acceleration, and controlling the traction component to pull the baseband to move;

[0007] Step S30, when the traction component is in a working state, obtaining the tension of the baseband at a preset frequency;

[0008] Step S40: Based on the tension of the baseband reaching the reference tension range, control the winding component to rotate at a first deceleration rate, and control the crimping component to crimp the terminals in sequence; the upper limit value of the reference tension range is positively correlated with the width of the baseband.

[0009] In some embodiments, the model data further includes the length of the terminal; the length direction of the terminal is perpendicular to the length direction of the baseband; the lower limit value of the reference tension range is positively correlated with the length of the terminal.

[0010] In some embodiments, in step S50: Based on the crimping component being in a working state and the tension of the baseband being less than the lower limit value of the reference tension range, increase the first deceleration rate by a preset amplitude until the tension of the baseband is within the reference tension range.

[0011] In some embodiments, in step S60: Based on the crimping component being in a working state and the tension of the baseband being greater than the upper limit value of the reference tension range, decrease the first deceleration rate by a preset amplitude until the tension of the baseband is within the reference tension range.

[0012] In some embodiments, the traction component includes two parallel traction rollers; when the baseband is detachably connected to the traction component, the baseband passes through between the two traction rollers, and the two traction rollers exert a squeezing force on the baseband, and the baseband is perpendicular to the axis of the traction rollers;

[0013] In step S20, when the traction component pulls the baseband to move, the two traction rollers rotate in opposite directions at a preset speed; the preset speed is positively correlated with the width of the baseband.

[0014] In some embodiments, the preset speed is positively correlated with the length of the terminal.

[0015] In some embodiments, the traction component includes a winding cylinder; when the baseband is detachably connected to the traction component, one end of the baseband is wound around the winding cylinder;

[0016] In step S20, when the traction component pulls the baseband to move, the winding cylinder rotates, and the rotation speed of the winding cylinder is adjusted following the rotation speed of the winding component, and the rotation speed of the winding cylinder is equal to the rotation speed of the winding component.

[0017] In some embodiments, the linear velocity of the baseband movement is positively correlated with the width of the baseband.

[0018] In some embodiments, the linear velocity of the baseband movement is positively correlated with the length of the terminal.

[0019] In a second aspect, the present invention provides an automotive wire harness terminal crimping control device, which is applied to the automotive wire harness terminal crimping control method described in the first aspect. The automotive wire harness terminal crimping control device includes:

[0020] A first acquisition module, which acquires the model data of the terminal reel based on the positioning of the terminal reel on the terminal crimping machine being completed; wherein, the terminal reel includes a terminal tape and a protective tape; the terminal tape and the protective tape are attached and curled into a disk shape to form the terminal reel; the terminal tape includes a base tape and a plurality of terminals sequentially connected to the base tape; the model data includes the width of the base tape; the terminal crimping machine includes a winding component, a traction component, and a crimping component; in a state where the terminal reel is positioned on the terminal crimping machine, the winding component is detachably connected to one end of the protective tape; the traction component is detachably connected to one end of the base tape;

[0021] A first control module, which controls the winding component to rotate with a first acceleration and controls the traction component to pull the base tape to move based on the positioning of the terminal reel on the terminal crimping machine being completed;

[0022] A second acquisition module, which acquires the tension of the base tape at a preset frequency based on the traction component being in a working state;

[0023] A second control module, which controls the winding component to rotate with a first deceleration and controls the crimping component to crimp the terminals in sequence based on the tension of the base tape reaching the reference tension range; the upper limit value of the reference tension range is positively correlated with the width of the base tape.

[0024] To solve the problem that the terminal tape is prone to deformation under traction during the crimping of automotive wire harness terminals, the present invention has the following advantages:

[0025] By separately controlling the winding component and the traction component to apply differential traction forces to the protective tape and the base tape, and monitoring and adjusting the tension of the base tape in real time, the problem of easy deformation of the base tape in the traditional method is effectively solved; the method of dynamically adjusting the rotation speed of the winding component is adopted to maintain the line speed balance, ensuring that tapes of different models can be stably conveyed within the safe tension range, preventing both the production line interruption and equipment damage caused by the deformation of the base tape and the inaccurate positioning of the terminals caused by insufficient tension, and significantly improving the production efficiency and crimping quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 Shows a flow schematic diagram of an automotive wire harness terminal crimping control method in an embodiment;

[0027] Figure 2 Shows a schematic structural diagram of an automotive wiring harness terminal press;

[0028] Figure 3 Shows Figure 2 a schematic structural diagram of the terminal strip in;

[0029] Figure 4 Shows a functional module diagram of an automotive wiring harness terminal pressing control device according to an embodiment.

[0030] Reference numerals: 10 terminal reel; 11 protective tape; 12 terminal strip; 121 baseband; 122 terminals; 20 terminal press; 21 winding assembly; 22 traction assembly; 23 pressing assembly; 24 guiding assembly; 30 first acquisition module; 40 first control module; 50 second acquisition module; 60 second control module. Detailed embodiments

[0031] Now, the present disclosure will be described with reference to several exemplary embodiments. It should be understood that these embodiments are described only to enable those of ordinary skill in the art to better understand and thus implement the present disclosure, rather than implying any limitation to the scope of the present disclosure.

[0032] As used herein, the term "comprising" and its variants are to be construed as open-ended terms meaning "including but not limited to". The term "based on" is to be construed as "at least partially based on". The terms "an embodiment" and "one embodiment" are to be construed as "at least one embodiment". The term "another embodiment" is to be construed as "at least one other embodiment". The orientation or positional relationship indicated by the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "vertical", "horizontal", "lateral", "longitudinal", etc. is based on the orientation or positional relationship shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit that the indicated devices, elements or components must have a specific orientation, or be constructed and operated in a specific orientation. Moreover, in addition to being used to represent the orientation or positional relationship, some of the above terms may also be used to represent other meanings. For example, the term "upper" may also be used to represent a certain attachment relationship or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in the present application can be understood according to specific circumstances. In addition, the terms "mounted", "arranged", "provided with", "connected", "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral structure; it may be a mechanical connection or an electrical connection; it may be directly connected, or indirectly connected through an intermediate medium, or there may be internal communication between two devices, elements or components. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances. In addition, the terms "first", "second", etc. are mainly used to distinguish different devices, elements or components (the specific types and structures may be the same or different), and are not used to indicate or imply the relative importance and quantity of the indicated devices, elements or components. Unless otherwise specified, the meaning of "a plurality of" is two or more.

[0033] During the crimping process of the automotive wire harness terminal 122, the terminal 122 strip 12 is generally fed from a coil through a guiding assembly 24 to a crimping assembly 23 after being unrolled from the coil, and a continuous traction force is applied to its rear section by a traction assembly 22 to achieve continuous feeding. However, during the process of rotating the coil to feed the strip by traction, the traction force only acts on the terminal 122 strip 12. Therefore, in the production process, the terminal 122 strip 12 with low strength is easily deformed due to excessive traction force, resulting in inability to continuously brake and interruption of crimping. Therefore, in this embodiment, a method for controlling the crimping of the automotive wire harness terminal 122 is provided. The method for controlling the crimping of the automotive wire harness terminal 122 can be applied to a terminal 122 crimper, such as Figure 1 shown, the method for controlling the crimping of the automotive wire harness terminal 122 may include steps S10 to S40, and the details of each step are described as follows:

[0034] Step S10, based on the fact that the terminal 122 reel 10 is positioned on the terminal 122 press, obtain the model data of the terminal 122 reel 10. Among them, the terminal 122 reel 10 includes a terminal 122 tape 12 and a protective tape 11. After the terminal 122 tape 12 is attached to the protective tape 11, it is curled into a disk shape to form the terminal 122 reel 10. The width of the protective tape 11 can be greater than or equal to the width of the terminal 122 tape 12. As Figure 3 shown, the terminal 122 tape 12 includes a base tape 121 and a plurality of terminals 122 sequentially connected to the base tape 121. The protective tape 11 can protect the terminals 122 on the base tape 121 from colliding and squeezing each other. The model data can include the width of the base tape 121. In addition, as Figure 2 shown, the terminal 122 press includes a winding component 21, a traction component 22, a pressing component 23, and a guiding component 24. The winding component 21 can be located before the pressing component 23, the traction component 22 can be located after the pressing component 23, and the guiding component 24 can be located between the winding component 21 and the pressing component 23. In the state where the terminal 122 reel 10 is positioned on the terminal 122 press, the winding component 21 is detachably connected to one end of the protective tape 11, and the traction component 22 is detachably connected to one end of the base tape 121. Thus, the winding component 21 can apply a traction force to the terminal 122 reel 10 through the protective tape 11, and the traction component 22 can apply a traction force to the terminal 122 tape 12. The guiding component 24 can be in contact with the terminal 122 tape 12 to guide and adjust the moving position of the terminal 122 tape 12.

[0035] Step S20, based on the fact that the terminal 122 reel 10 is positioned on the terminal 122 press, control the winding component 21 to rotate with a first acceleration, and control the traction component 22 to traction the base tape 121 to move. As the winding component 21 rotates, the protective tape 11 can apply a traction force to the terminal 122 reel 10. While the terminal 122 reel 10 rotates, the terminal 122 tape 12 will continuously feed. The fed terminal 122 tape 12 will be gradually tensioned under the action of the traction component 22. Among them, the traction speed of the traction component 22 remains constant.

[0036] Step S30, based on the fact that the traction component 22 is in a working state, obtain the tension force of the base tape 121 at a preset frequency.

[0037] Step S40: Based on the tension of the base tape 121 reaching the reference tension range, control the winding component 21 to rotate at a first deceleration, and control the crimping component 23 to crimp the terminals 122 in sequence. When the tension of the base tape 121 reaches the reference tension range, a certain balance is achieved between the linear velocities of the base tape 121 and the protective tape 11. At this time, the base tape 121 can maintain a certain tension and pass through the crimping component 23. The tension will not be too large to cause deformation of the base tape 121, nor too small to cause the base tape 121 to bend and the terminals 122 to be unable to be positioned. The upper limit value of the reference tension range should be less than the maximum tension that the base tape 121 can withstand, so as to avoid deformation of the base tape 121. Moreover, the upper limit of the tension that the base tape 121 can withstand is positively correlated with the width of the base tape 121. Therefore, the upper limit value of the reference tension range can be positively correlated with the width of the base tape 121. In addition, during the continuous rotation of the winding component 21, the winding diameter of the winding component 21 becomes larger and larger. Without changing the rotational speed, the linear velocity of the protective tape 11 will become larger and larger. Therefore, after the tension of the base tape 121 reaches the reference tension range, to maintain the balance of the linear velocities of the base tape 121 and the protective tape 11, it is necessary to control the winding component 21 to rotate at a first deceleration, so as to stabilize the linear velocity of the protective tape 11.

[0038] By setting the winding component 21 to independently control the traction force of the protective tape 11 on the terminal 122 reel 10, the traction force on the base tape 121 can be greatly reduced. Also, by detecting the tension of the base tape 121 to control the rotational speed of the winding component 21 and thus adjust the tension of the base tape 121, it is ensured that the terminal 122 tape 12 can be stably conveyed within the safe tension range, preventing both the production line interruption and equipment damage caused by the deformation of the base tape 121, and avoiding the inaccurate positioning of the terminals 122 caused by insufficient tension, significantly improving the production efficiency and crimping quality.

[0039] In this embodiment, the model data may further include the length of the terminal 122. As Figure 3 shown, the length direction of the terminal 122 is perpendicular to the length direction of the base tape 121. The terminals 122 on the terminal 122 tape 12 are all fixedly connected to one end in the length direction of the base tape 121 in the width direction. Therefore, the end of the terminal 122 that is not connected to the base tape 121 is prone to skew. Therefore, the lower limit value of the reference tension range is positively correlated with the length of the terminal 122. The longer the length of the terminal 122, the larger the lower limit value of the reference tension range should be, to avoid the terminals 122 from skewing and colliding or winding with each other due to the bending of the base tape 121.

[0040] In this embodiment, the method for controlling the crimping of automotive wiring harness terminals 122 further includes step S50, which is described in detail as follows:

[0041] Step S50. Based on the fact that the crimping component 23 is in the working state and the tension of the baseband 121 is less than the lower limit value of the reference tension range, that is, the baseband 121 is too loose and the terminals 122 may collide or entangle with each other, the speed of the crimping and traction component 22 is slower than that of the winding component 21. Therefore, the first deceleration is increased by a preset amplitude to slow down the speed of the winding component 21 until the tension of the baseband 121 is within the reference tension range, and the speeds of the winding component 21 and the traction component 22 are balanced.

[0042] In this embodiment, the method for controlling the crimping of the automotive wiring harness terminals 122 further includes step S60, which is described in detail as follows:

[0043] Step S60. Based on the fact that the crimping component 23 is in the working state and the tension of the baseband 121 is greater than the upper limit value of the reference tension range, that is, the baseband 121 is too tight and may be deformed, the speed of the crimping and traction component 22 is faster than that of the winding component 21. Therefore, the first deceleration is decreased by a preset amplitude to increase the speed of the winding component 21 until the tension of the baseband 121 is within the reference tension range, and the speeds of the winding component 21 and the traction component 22 are balanced.

[0044] In this embodiment, the traction component 22 may include two parallel traction rollers. When the baseband 121 is detachably connected to the traction component 22, the baseband 121 passes between the two traction rollers, and the two traction rollers exert a squeezing force on the baseband 121, and the baseband 121 is perpendicular to the axis of the traction rollers. Through the two parallel traction rollers, the traction baseband 121 can be kept in a horizontal state and moved from the crimping component 23 to the traction component 22.

[0045] In step S20, when the traction component 22 is pulling the baseband 121 to move, the two traction rollers rotate in opposite directions at a preset speed, so that the baseband 121 moves horizontally and uniformly away from the crimping component 23. The preset speed is positively correlated with the width of the baseband 121. The larger the width of the baseband 121, the greater the tension that the baseband 121 can withstand, and thus the greater the traction force of the traction component 22, that is, the greater the preset speed. Increasing the preset speed when the width of the baseband 121 is larger can improve the production efficiency.

[0046] In this embodiment, the preset rotational speed is positively correlated with the length of the terminal 122. When the length of the terminal 122 is longer and the distance between the two terminals 122 remains unchanged, the displacement caused by the bending of the baseband 121 at the end where the terminal 122 is not connected to the baseband 121 is larger than that when the length of the terminal 122 is shorter, and interference is more likely to occur between the two terminals 122. Therefore, the greater the length of the terminal 122, the greater the tension force required for the baseband 121 to avoid bending of the baseband 121. Therefore, the preset rotational speed should increase as the length of the terminal 122 becomes longer and decrease as the length of the terminal 122 becomes shorter.

[0047] In this embodiment, the traction assembly 22 may include a winding cylinder. In a state where the baseband 121 is detachably connected to the traction assembly 22, one end of the baseband 121 is wound around the winding cylinder. As the traction assembly 22 continuously operates, more and more of the baseband 121 is wound around the winding cylinder, and the diameter of the winding cylinder will become larger and larger.

[0048] In step S20, in a state where the traction assembly 22 pulls the baseband 121 to move, the winding cylinder rotates, and the rotational speed of the winding cylinder should be adjusted following the rotational speed of the winding component 21 to make the rotational speed of the winding cylinder equal to the rotational speed of the winding component 21. When the winding component 21 and the winding cylinder start to operate, their diameters are equal. Therefore, allowing the rotational speed of the winding cylinder to also change with the rotational speed of the winding component 21 can make the diameters of the two equal, and the linear speeds of the terminal 122 tape 12 pulled by the winding component 21 and the baseband 121 pulled by the winding cylinder equal, keeping the tension force of the baseband 121 stable and making the crimping process of the terminal 122 more stable.

[0049] In this embodiment, the linear speed of the movement of the baseband 121 is positively correlated with the width of the baseband 121. When the width of the baseband 121 is larger, the tension force that the baseband 121 can withstand is also larger, so the traction force of the traction assembly 22 can be greater. Therefore, increasing the linear speed of the movement of the baseband 121 as the width of the baseband 121 increases can improve the working efficiency of the terminal 122 crimping machine. When the width is smaller, the linear speed of the movement of the baseband 121 is also smaller, which can avoid excessive deformation of the baseband 121 due to excessive tension force.

[0050] In this embodiment, the linear speed of the movement of the baseband 121 is positively correlated with the length of the terminal 122. When the length of the terminal 122 is longer and the distance between the two terminals 122 remains unchanged, the displacement amount caused by the bending of the baseband 121 at the end where the terminal 122 is not connected to the baseband 121 is larger than that when the length of the terminal 122 is shorter, and interference is more likely to occur between the two terminals 122. Therefore, the greater the length of the terminal 122, the greater the tension force required for the baseband 121 to avoid bending of the baseband 121. Therefore, the linear speed of the movement of the baseband 121 should increase as the length of the terminal 122 becomes longer and decrease as the length of the terminal 122 becomes shorter.

[0051] In this embodiment, a crimping control device for automotive wire harness terminals 122 is provided. The crimping control device for automotive wire harness terminals 122 is applied to the crimping control method for automotive wire harness terminals 122 in the above embodiment. As Figure 4 shown, the crimping control device for automotive wire harness terminals 122 includes a first acquisition module 30, a first control module 40, a second acquisition module 50, and a second control module 60.

[0052] The first acquisition module 30 can obtain the model data of the terminal 122 reel 10 based on the positioning of the terminal 122 reel 10 on the terminal 122 crimping machine being completed. Among them, the terminal 122 reel 10 includes a terminal 122 tape 12 and a protective tape 11; after the terminal 122 tape 12 is attached to the protective tape 11, it is curled into a disk shape to form the terminal 122 reel 10; the terminal 122 tape 12 includes a base tape 121 and a plurality of terminals 122 sequentially connected to the base tape 121. The model data may include the width of the base tape 121. The terminal 122 crimping machine includes a winding component 21, a traction component 22, and a crimping component 23; in the state where the terminal 122 reel 10 is positioned on the terminal 122 crimping machine, the winding component 21 is detachably connected to one end of the protective tape 11; the traction component 22 is detachably connected to one end of the base tape 121.

[0053] The first control module 40 can control the winding component 21 to rotate at a first acceleration and control the traction component 22 to traction the base tape 121 to move based on the positioning of the terminal 122 reel 10 on the terminal 122 crimping machine being completed.

[0054] The second acquisition module 50 can obtain the tension of the base tape 121 at a preset frequency based on the traction component 22 being in a working state.

[0055] The second control module 60 can control the winding component 21 to rotate at a first deceleration and control the crimping component 23 to crimp the terminals 122 in sequence based on the tension of the base tape 121 reaching the reference tension range. The upper limit value of the reference tension range is positively correlated with the width of the base tape 121.

[0056] Through the step-by-step operation among the first acquisition module 30, the first control module 40, the second acquisition module 50, and the second control module 60, after the terminal 122 crimping machine starts to run, the speed of the winding component 21 can be controlled by detecting the magnitude of the tension of the base tape 121, so that the tension of the base tape 121 is maintained within a certain range, thereby avoiding the deformation of the base tape 121 resulting in production line interruption or equipment damage. At the same time, it can also avoid inaccurate positioning of the terminals 122 caused by insufficient tension, significantly improving the production efficiency and crimping quality of the terminal 122 crimping machine.

[0057] It should be understood that the "present embodiment" mentioned in the present invention refers to the technical points currently described. Multiple "present embodiments" may be the same embodiment or different embodiments.

[0058] Those of ordinary skill in the art can understand that the above embodiments are specific cases for implementing the present disclosure, and in actual applications, various changes can be made to them in form and details without departing from the scope of the present disclosure.

Claims

1. A control method for crimping automotive wiring harness terminals, characterized in that, The method for controlling the crimping of automotive wire harness terminals includes: Step S10: After the terminal reel is positioned on the terminal crimping machine, obtain the model data of the terminal reel. Among them, the terminal reel includes a terminal tape and a protective tape; the terminal tape and the protective tape are attached and then curled into a disk shape to form the terminal reel; the terminal tape includes a base tape and a plurality of terminals sequentially connected to the base tape; the model data includes the width of the base tape; the terminal crimping machine includes a winding assembly, a traction assembly, and a crimping assembly; when the terminal reel is positioned on the terminal crimping machine, the winding assembly is detachably connected to one end of the protective tape; the traction assembly is detachably connected to one end of the base tape. Step S20: Based on the fact that the terminal reel is positioned on the terminal crimping machine, control the winding assembly to rotate at a first acceleration, and control the traction assembly to traction the base tape to move. Step S30: Based on the fact that the traction assembly is in a working state, obtain the tension of the base tape at a preset frequency. Step S40: Based on the fact that the tension of the base tape reaches the reference tension range, control the winding assembly to rotate at a first deceleration, and control the crimping assembly to crimp the terminals in sequence; the upper limit value of the reference tension range is positively correlated with the width of the base tape. Among them, the model data further includes the length of the terminal; the length direction of the terminal is perpendicular to the length direction of the base tape; the lower limit value of the reference tension range is positively correlated with the length of the terminal. Step S50: Based on the fact that the crimping assembly is in a working state and the tension of the base tape is less than the lower limit value of the reference tension range, increase the first deceleration by a preset amplitude until the tension of the base tape is within the reference tension range. Step S60: Based on the fact that the crimping assembly is in a working state and the tension of the base tape is greater than the upper limit value of the reference tension range, decrease the first deceleration by a preset amplitude until the tension of the base tape is within the reference tension range.

2. The method for controlling the crimping of automotive wire harness terminals according to claim 1, wherein The traction assembly includes two parallel traction rollers; when the base tape is detachably connected to the traction assembly, the base tape passes through between the two traction rollers, and the two traction rollers have a squeezing force on the base tape, and the base tape is perpendicular to the axis of the traction roller. In step S20, when the traction assembly traction the base tape to move, the two traction rollers rotate in opposite directions at a preset speed; the preset speed is positively correlated with the width of the base tape.

3. The method for controlling the crimping of automotive wire harness terminals according to claim 2, wherein The preset speed is positively correlated with the length of the terminal.

4. The method for controlling the crimping of automotive wire harness terminals according to claim 1, wherein The traction assembly includes a winding cylinder; when the base tape is detachably connected to the traction assembly, one end of the base tape is wound on the winding cylinder. In the step S20, when the traction assembly pulls the baseband to move, the winding cylinder rotates, and the rotation speed of the winding cylinder is adjusted following the rotation speed of the winding component, and the rotation speed of the winding cylinder is equal to the rotation speed of the winding component.

5. A method for controlling the crimping of automotive wire harness terminals according to claim 4, characterized in that The linear velocity of the movement of the baseband is positively correlated with the width of the baseband.

6. A method for controlling the crimping of automotive wire harness terminals according to claim 5, characterized in that The linear velocity of the movement of the baseband is positively correlated with the length of the terminal.

7. A device for controlling the crimping of automotive wire harness terminals, applied to the method for controlling the crimping of automotive wire harness terminals according to any one of claims 1-6; characterized in that The device for controlling the crimping of automotive wire harness terminals includes: A first acquisition module, which acquires the model data of the terminal coil when the terminal coil is positioned on the terminal crimping machine; wherein, the terminal coil includes a terminal strip and a protective strip; the terminal strip and the protective strip are attached and then curled into a disk shape to form the terminal coil; the terminal strip includes a baseband and a plurality of terminals sequentially connected to the baseband; the model data includes the width of the baseband; the terminal crimping machine includes a winding component, a traction component and a crimping component; when the terminal coil is positioned on the terminal crimping machine, the winding component is detachably connected to one end of the protective strip; the traction component is detachably connected to one end of the baseband; A first control module, which controls the winding component to rotate at a first acceleration and controls the traction component to pull the baseband to move based on the fact that the terminal coil is positioned on the terminal crimping machine; A second acquisition module, which acquires the tension of the baseband at a preset frequency based on the fact that the traction component is in a working state; A second control module, which controls the winding component to rotate at a first deceleration and controls the crimping component to crimp the terminals in sequence based on the fact that the tension of the baseband reaches the reference tension range; the upper limit value of the reference tension range is positively correlated with the width of the baseband.

Images