Insulated terminal crimping machine

Abstract

The utility model discloses an insulated terminal crimping machine, which comprises a crimping host, a measuring camera, an observing camera, a pressure sensor, an alarm and a processing system, a wire is positioned and driven to move upwards by an upper opening groove of a lower die of the crimping host, and the lap joint of the wire and a terminal is crimped and fixed by a lower convex pressure head of an upper die of the crimping host. The measuring camera located right above the crimping host can shoot and measure the length of the exposed terminal of the conductor, the observation camera located on the mold frame on the side of the upper mold can image the crimped side face of the terminal, and the pressure sensor can detect the crimping force of the terminal. And the monitoring system can analyze and judge whether the crimping of the insulated terminal is abnormal according to data transmitted by the measuring camera, the observing camera and the pressure sensor, and gives an alarm by the alarm when the crimping is abnormal, so that the terminal pressing force, the terminal pressing position and the exposed length of the conductor on the terminal can be detected; and problems caused by misoperation are avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of wire processing devices, in particular to a kind of insulation terminal crimping machine. BACKGROUND

[0002] Insulation terminal crimping is different from general bare terminal crimping, since terminal is wrapped with a layer of insulation, it is impossible to determine whether the metal terminal crimping position is firm by naked eye. Moreover, improper crimping can cause the insulation layer on the terminal to break, so there are certain requirements for the crimping process. The crimping machines on the market cannot control and monitor the firmness and pressure of the terminal. SUMMARY

[0003] In order to overcome the above defects, the utility model provides an insulation terminal crimping machine, which can detect the terminal pressing force, terminal pressing position and the length of the conductor exposed on the terminal, to avoid problems caused by improper operation during pressing.

[0004] The utility model discloses a kind of insulation terminal crimping machines, including crimping host computer, measurement camera, observation camera, pressure sensor, alarm and processing system, wherein, crimping host computer includes mould frame, upper die, lower die, lower die driving device, controller and start switch, the upper die is fixedly installed on mould frame, lower die is installed on mould frame and can be lifted and moved, and lower die is located in the upper die directly below, the lower die upper end surface is equipped with wire positioning slot, the conductor of wire and terminal pre-assembly can be positioned in the wire positioning slot, the lower convex head of the lower end of upper die is equipped with, lower die driving device drives lower die to move upwards to make the lower convex head of the lower end of upper die press tightly in the conductor lap joint position of terminal and wire, to make the conductor and terminal crimp together, controller can control lower die driving device start-stop, start switch can control the on-off of the circuit where controller and lower die driving device are located, the measurement camera is fixedly installed on the mould frame directly above upper die, measurement camera can be measured by shooting the length of the conductor exposed terminal, the observation camera is fixedly installed on the mould frame in the side of upper die, observation camera can image the side of terminal crimping, the pressure sensor can detect the terminal pressing force, the measurement camera, observation camera and pressure sensor are electrically connected with processing system communication respectively, the measurement camera can transmit the length data of the conductor exposed terminal measured by it to processing system, observation camera can transmit the side image of terminal crimping photographed by it to processing system, pressure sensor can transmit the terminal pressing force data detected by it to processing system, the processing system can analyze and judge whether insulation terminal crimping is abnormal according to the data transmitted by measurement camera, observation camera and pressure sensor, processing system can control alarm to issue alarm when determining that insulation terminal crimping is abnormal.

[0005] As a further improvement of the utility model, a display screen is further arranged, which can display the length data of the conductor exposed terminal and the terminal pressing force data, and the side image of the terminal crimping captured by the observation camera can be enlarged and projected on the display screen.

[0006] As a further improvement of the utility model, the pressure sensor is arranged between the upper die and the die frame, and the upward extrusion force of the upper die can be transmitted to the pressure sensor.

[0007] As a further improvement of the utility model, a longitudinally extending guide sliding groove is arranged on the die frame, the lower die is slidably arranged in the guide sliding groove, and the upper die is fixedly arranged on the upper end of the guide sliding groove.

[0008] As a further improvement of the utility model, the lower die driving device is an electric push rod, a cylinder or a motor and a screw nut mechanism fixedly arranged on the die frame.

[0009] As a further improvement of the utility model, the die frame comprises an upper die frame and a lower die frame, the lower die frame is provided with a lower die accommodating groove with an upper opening, the upper die frame is provided with an upper die accommodating groove with a lower opening, the upper die frame is fixedly arranged on the upper side of the lower die frame in a detachable manner, the upper die accommodating groove and the lower die accommodating groove are oppositely arranged and connected to form the guide sliding groove, the upper die is fixedly arranged on the bottom of the upper die accommodating groove, and the side walls of the upper die frame and the lower die frame are fixedly connected by the connecting rods.

[0010] As a further improvement of the utility model, an operation table is further arranged, the crimping host and the display are arranged on the operation table, the starting switch is a foot switch, and the foot switch and the controller are arranged below the operation table.

[0011] As a further improvement of the utility model, a push-pull rod and a push-pull driving device are further arranged, the push-pull rod is slidably arranged on the die frame along the extension direction of the wire, the push-pull rod is positioned by the terminal pressed on the wire, the push-pull driving device can provide the push-pull rod with a push-pull force of a set size in the direction away from the wire, the controller controls the start and stop of the push-pull driving device, the die frame is further provided with a position detection device capable of detecting the position of the terminal or the position of the push-pull rod, the position detection device is electrically connected and communicated with the processing system, the processing system can judge whether the terminal is separated from the wire according to the position of the terminal or the position of the push-pull rod detected by the position detection device, and further judge whether the terminal crimping pull force is qualified.

[0012] As a further improvement of the utility model, a limiting rod extending along the axis of the terminal clasp is further arranged, the limiting rod is slidably arranged on the push-pull rod along the length direction, and the end of the limiting rod can be inserted into the clasp of the terminal at the crimping position.

[0013] As further improvement of the utility model, linkage mechanism is further equipped, the linkage mechanism makes the limit rod and the lower mould synchronous linkage, when the lower mould moves upward and makes the terminal and the conductor of the electric wire in the crimping state, the limit rod inserts into the buckle of the terminal, when the lower mould moves downward and resets, the limit rod exits into the buckle of the terminal.

[0014] The utility model discloses the beneficial effect is: the utility model discloses when crimping to the terminal and the conductor on the electrically conducting, through if pressure sensor, observation camera and measurement camera respectively to crimping force, whether the terminal exists deformation, whether the conductor is damaged and the length that the conductor exposes from the terminal is automatically detected and measured, need not manual measurement, the utility model still detects the crimping pull force of the terminal and electric wire automatically when crimping, effectively avoids that the staff makes individual terminal crimping badly because of improper operation in the terminal crimping process, influences the normal use of follow-up, effectively guarantees the firmness of insulation terminal and electric wire crimping, guarantees the electric wire of crimping has the terminal and keeps stable connection state in use. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the main view for the conductor and terminal preassembly structure of electric wire;

[0016] Figure 2 It is the main view for the structure principle of the utility model;

[0017] Figure 3 It is the schematic diagram of terminal crimping post-pull force test. DETAILED DESCRIPTION

[0018] Embodiment: An insulation terminal 2 crimping machine, comprising a crimping host, a measurement camera 3, an observation camera 4, a pressure sensor 5, an alarm and a processing system 6, wherein the crimping host comprises a die frame, an upper die 7, a lower die 8, a lower die driving device 9, a controller 10 and a start switch, the upper die 7 is fixedly installed on the die frame, the lower die 8 is installed on the die frame in a lifting manner, and the lower die 8 is located directly below the upper die 7, an electric wire positioning groove is arranged on the upper end face of the lower die 8, and the conductor 1 of the electric wire and the terminal 2 pre-assembled can be positioned in the electric wire positioning groove, a lower convex pressure head 11 is arranged on the lower end of the upper die 7, the lower die driving device 9 drives the lower die 8 to move upward, so that the lower convex pressure head 11 at the lower end of the upper die 7 is pressed tightly at the terminal 2 and the conductor 1 of the electric wire The lap joint position, so as to make the conductor 1 and the terminal 2 crimped together, the controller 10 can control the start and stop of the lower die driving device 9, and the start switch can control the on-off of the circuit in which the controller 10 and the lower die driving device 9 are located, the measurement camera 3 is fixedly installed on the die frame above the upper die 7, and the measurement camera 3 can measure the length of the conductor 1 exposed to the terminal 2, the observation camera 4 is fixedly installed on the die frame beside the upper die 7, and the observation camera 4 can image the side of the terminal 2 crimped, the pressure sensor 5 can detect the pressing force of the terminal 2, the measurement camera 3, the observation camera 4 and the pressure sensor 5 are respectively electrically connected and communicated with the processing system 6, the measurement camera 3 can transmit the length data of the conductor 1 exposed to the terminal 2 measured by it to the processing system 6, the observation camera 4 can transmit the side image of the terminal 2 crimped by it to the processing system 6, and the pressure sensor 5 can transmit the pressing force data of the terminal 2 detected by it to the processing system 6, the processing system 6 can analyze and judge whether the crimping of the insulation terminal 2 is abnormal according to the data transmitted by the measurement camera 3, the observation camera 4 and the pressure sensor 5, and the processing system 6 can control the alarm to issue an alarm when it is determined that the crimping of the insulation terminal 2 is abnormal.

[0019] The conductor 1 is pre-insulated, the terminal 2 is sleeved on the conductor 1, the metal layer 22 of the terminal 2 is in contact with the conductor 1, the terminal 2 with the conductor 1 is placed in the wire positioning groove of the lower mold 8, the shape of the wire positioning groove of the lower mold 8 matches the shape of the pre-assembled structure of the conductor 1 and the terminal 2, so that the pre-assembled structure can be stably positioned in the wire positioning groove of the lower mold 8, the start switch is closed, the controller 10 is powered on, and the lower mold driving device 9 is controlled to start. The lower mold 8 moves upward and is tightly pressed to the upper mold 7, and the lower convex pressing head 11 on the upper mold 7 is pressed on the terminal 2, so that the terminal 2 is crimped. When the terminal 2 is in the crimping state, the pressure sensor 5 on the crimping host machine monitors the pressure used by the crimping machine in real time, and the processing system 6 is pre-set with a set pressure value. If the pressure detected by the pressure sensor 5 does not reach the set pressure value, the alarm will issue a corresponding alarm, and the observation camera 4 on the side of the crimping machine can image the side of the terminal 2 crimping, and the processing system 6 can judge whether the terminal 2 is deformed and the conductor 1 is damaged during the crimping process according to the image. If there is terminal 2 deformation or conductor 1 damage, the alarm will issue a corresponding alarm, and the measurement camera 3 above the mold of the crimping machine can measure and determine the length L of the conductor 1 exposed to the terminal 2, without the need for employees to test with a ruler. If it is determined to be unqualified, the alarm will issue a corresponding alarm.

[0020] There is also a display screen 12 that can display conductor 1 exposed to the terminal 2 length data and terminal 2 crimping force data, and the terminal 2 crimping side image captured by the observation camera 4 can be enlarged and projected onto the display screen 12. The terminal 2 crimping side image is projected onto the display screen 12 and enlarged, so that workers can clearly see the deformation of the crimped terminal 2 and the condition of the conductor 1 during the crimping process, facilitating quick inspection.

[0021] The pressure sensor 5 is installed between the upper mold 7 and the mold frame, and the upward extrusion force received by the upper mold 7 can be transmitted to the pressure sensor 5.

[0022] The mold frame is provided with a longitudinally extending guide sliding groove, the lower mold 8 is slidably accommodated in the guide sliding groove, and the upper mold 7 is fixedly arranged at the upper end of the guide sliding groove. Ensure the accuracy of the terminal 2 and conductor 1 crimping position and prevent pressure deviation.

[0023] The lower mold driving device 9 is an electric push rod, a gas cylinder or a motor and a screw nut mechanism fixedly installed on the mold frame.

[0024] The mold frame comprises an upper mold frame 13 and a lower mold frame 14, the lower mold frame 14 is provided with a lower mold 8 accommodating groove with an upper opening, the upper mold frame 13 is provided with an upper mold 7 accommodating groove with a lower opening, the upper mold frame 13 is detachably fixed on the upper side of the lower mold frame 14, and the upper mold 7 accommodating groove and the lower mold 8 accommodating groove are oppositely opened and spliced to form the guide sliding groove, the upper mold 7 is fixed on the bottom of the upper mold 7 accommodating groove, and the side walls of the upper mold frame 13 and the lower mold frame 14 are fixedly connected through connecting rods.

[0025] An operation table 15 is further provided, the crimping host and the display are placed on the operation table 15, the starting switch is a foot switch 16, and the foot switch 16 and the controller 10 are arranged below the operation table 15. When the worker operates, the worker can sit on the operation table 15 to control by foot, so that the operation is convenient and labor-saving, and the worker can observe the data and pictures on the display during operation, so that problems can be found in time.

[0026] A push-pull rod 17 and a push-pull driving device 18 are further provided, the push-pull rod 17 is slidably arranged on the mold frame along the extension direction of the wire, the push-pull rod 17 can be stop-positioned with the terminal 2 pressed on the wire, the push-pull driving device 18 can provide the push-pull rod 17 with a push-pull force of a set size in the direction away from the wire, the controller 10 controls the start and stop of the push-pull driving device 18, and the mold frame is further provided with a position detection device capable of detecting the position of the terminal 2 or the position of the push-pull rod 17, the position detection device is electrically connected and communicated with the processing system 6, the processing system 6 can judge whether the terminal 2 is separated from the wire according to the position of the terminal 2 or the position of the push-pull rod 17 detected by the position detection device, and further judge whether the crimping and pulling force of the terminal 2 is qualified. The controller 10 controls the lower mold driving device 9 to start first to realize the crimping and fixing of the terminal 2 and the conductor 1 at the end of the wire, when the crimping and fixing of the terminal 2 and the conductor 1 of the wire are completed, the push-pull rod 17 is stop-positioned with the terminal 2, the controller 10 controls the push-pull driving device 18 to start, and the push-pull driving device 18 provides a set push-pull force, that is, simulates the pulling state of the terminal 2 and the wire, realizes the terminal 2 and the wire pulling force test, after the test is completed, the controller 10 controls the push-pull driving device to disconnect and reset, cancels the pulling force applied to the terminal 2, and finally the controller 10 controls the lower mold driving device 9 to disconnect and reset, so as to facilitate taking out the wire with the terminal 2 crimped. In this way, the crimping and pulling force of the terminal 2 is tested synchronously when the terminal 2 is crimped, which can avoid the problem that the pulling force of the wire and the terminal 2 is insufficient due to insufficient pressing strength, causing the terminal 2 to fall off and cause the circuit to be disconnected during subsequent use. When it is found that the terminal 2 has insufficient pulling force, the processing system 6 automatically judges and controls the alarm to issue a corresponding alarm.

[0027] The terminal 2 is provided with a limiting rod 19 extending along the axis of the clasp 23 of the terminal 2, the limiting rod 19 is slidably mounted on the push-pull rod 17, and the end of the limiting rod 19 is inserted into the clasp 23 of the terminal 2 in the crimping position. By inserting the limiting rod 19 into the clasp 23 of the terminal 2, the terminal 2 is positioned and stopped along the extension direction of the wire, the pushing and pulling force on the push-pull rod 17 is transmitted to the terminal 2 by the limiting rod 19, and then the terminal 2 is provided with a pushing and pulling force in the direction away from the wire, and the pulling force is tested.

[0028] The linkage mechanism is also provided, which synchronously links the limiting rod 19 with the lower die 8, when the lower die 8 moves upward to make the terminal 2 in the crimping state with the conductor 1 of the wire, the limiting rod 19 is inserted into the clasp 23 of the terminal 2, when the lower die 8 moves downward to reset, the limiting rod 19 exits into the clasp 23 of the terminal 2. Through the linkage mechanism, when the mold is closed to crimp the terminal 2, the limiting rod 19 is automatically inserted into the clasp 23 of the terminal 2, after crimping the terminal 2, the push-pull driving device 18 starts to test the pulling force of the terminal 2 and the wire, after the test is completed, the mold is opened, the limiting rod 19 automatically exits from the clasp 23 of the terminal 2, which facilitates the smooth removal of the wire with the terminal 2, the linkage mechanism can be a push block mounted on the lower die 8, which pushes the limiting rod 19 to slide up and down, or a spring can be provided on the mold frame or the push-pull rod 17, the spring provides an upward and downward spring force to the limiting rod 19, a protruding block is provided on the lower die 8, which presses the limiting rod 19 to prevent it from moving upward and keeping it out of the clasp of the terminal 2 when the lower die 8 descends, when the lower die 8 moves upward, the limiting rod 19 rises and inserts into the clasp 23 of the terminal 2 under the action of the spring force.

Claims

1. An insulating terminal crimping machine, characterized in that: The system includes a crimping host, a measuring camera (3), an observation camera (4), a pressure sensor (5), an alarm, and a processing system (6). The crimping host includes a mold frame, an upper mold (7), a lower mold (8), a lower mold drive device (9), a controller (10), and a start switch. The upper mold is fixedly installed on the mold frame, and the lower mold is installed on the mold frame with the ability to move up and down. The lower mold is located directly below the upper mold. The upper surface of the lower mold is provided with a wire positioning groove. The conductor (1) and terminal (2) of the wire are pre-assembled and positioned in the wire positioning groove. The lower end of the upper mold is provided with a lower protruding pressing head (11). The lower mold drive device drives the lower mold to move upward so that the lower protruding pressing head at the lower end of the upper mold presses against the conductor overlap position of the terminal and the wire, thereby crimping the conductor and the terminal together. The controller can control the start and stop of the lower mold drive device, and the start switch can control the connection and disconnection of the circuit between the controller and the lower mold drive device. The measuring camera is fixedly installed on the upper mold. Mounted on the mold frame directly above the upper mold, the measuring camera can capture and measure the length of the exposed conductor terminal. The observation camera is fixedly installed on the mold frame to the side of the upper mold, and can image the side of the terminal crimping. The pressure sensor can detect the terminal crimping force. The measuring camera, observation camera, and pressure sensor are electrically connected to the processing system for communication. The measuring camera can transmit the measured length of the exposed conductor terminal to the processing system. The observation camera can transmit the image of the side of the terminal crimping captured by the observation camera to the processing system. The pressure sensor can transmit the terminal crimping force data it detects to the processing system. The processing system can analyze and determine whether there is an abnormality in the crimping of the insulating terminal based on the data transmitted by the measuring camera, observation camera, and pressure sensor. When the processing system determines that there is an abnormality in the crimping of the insulating terminal, it can control the alarm to sound an alarm.

2. The insulating terminal crimping machine according to claim 1, characterized in that: It is also provided with a display screen (12), which can display the length data of the exposed terminal of the conductor and the terminal pressing force data. The side image of the terminal pressing captured by the observation camera can be magnified and projected onto the display screen.

3. The insulating terminal crimping machine according to claim 1, characterized in that: The pressure sensor is installed between the upper mold and the mold frame, and the upward compressive force on the upper mold can be transmitted to the pressure sensor.

4. The insulating terminal crimping machine according to claim 1, characterized in that: The mold frame is provided with a longitudinally extending guide groove, and the lower mold can be slidably accommodated in the guide groove. The upper mold is fixedly installed at the upper end of the guide groove.

5. The insulated terminal crimping machine according to claim 1 or 4, characterized in that: The lower mold drive device is an electric push rod, cylinder, or motor and lead screw and nut mechanism that is fixedly installed on the mold frame.

6. The insulating terminal crimping machine according to claim 4, characterized in that: The mold frame includes an upper mold frame (13) and a lower mold frame (14). The lower mold frame has a lower mold receiving groove with an upper opening, and the upper mold frame has an upper mold receiving groove with a lower opening. The upper mold frame is detachably and fixedly installed above the lower mold frame, and the openings of the upper mold receiving groove and the lower mold receiving groove are directly opposite each other to form the guide groove. The upper mold is fixedly installed at the bottom of the upper mold receiving groove, and the side walls of the upper mold frame and the lower mold frame are fixedly connected by a connecting rod.

7. The insulating terminal crimping machine according to claim 2, characterized in that: An operating table (15) is also provided, on which the crimping host and the display are placed. The start switch is a foot switch (16), and the foot switch and the controller are located below the operating table.

8. The insulated terminal crimping machine according to claim 1, characterized in that: It is also provided with a push-pull rod (17) and a push-pull drive device (18). The push-pull rod is slidably mounted on the mold frame along the extension direction of the wire. The push-pull rod can stop and position itself against the terminal pressed on the wire. The push-pull drive device can provide the push-pull rod with a set amount of push-pull force to slide away from the wire. The controller controls the start and stop of the push-pull drive device. The mold frame is also provided with a position detection device that can detect the position of the terminal or the position of the push-pull rod. The position detection device is electrically connected to the processing system for communication. The processing system can determine whether the terminal is disengaged from the wire based on the position of the terminal or the position of the push-pull rod detected by the position detection device, and then determine whether the terminal crimping pull-out force is qualified.

9. The insulated terminal crimping machine according to claim 8, characterized in that: It is also provided with a limiting rod (19) extending axially along the buckle of the terminal. The limiting rod is slidably mounted on the push-pull rod along its length direction, and the end of the limiting rod can be inserted into the buckle of the terminal at the crimping position.

10. The insulated terminal crimping machine according to claim 9, characterized in that: It is also equipped with a linkage mechanism, which enables the limit rod to move synchronously with the lower mold. When the lower mold moves upward and the conductor of the terminal and the wire are in a crimped state, the limit rod is inserted into the buckle (23) of the terminal. When the lower mold moves downward and upward to reset, the limit rod is withdrawn from the buckle of the terminal.

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