A composite cam high-speed terminal inserting mechanism

Abstract

The present invention discloses a compound cam high-speed terminal inserting mechanism for breaking a terminal from a terminal strip and inserting it into a rubber core. The mechanism includes a compound main body and a terminal feeding device located on one side of the compound main body. The compound main body includes a housing, a compound cam group arranged inside the housing, and a terminal assembly knife group located outside the housing. The terminal assembly knife group is adapted to the terminal feeding device. By applying a disc-shaped cam to the connector assembly mechanism and cooperating with a reasonable structure, the motor drives the compound cam group to rotate one circle, and a series of processes from cutting the terminal to inserting it into the rubber core can be achieved. The mechanism is stable and reliable, reduces manual operation steps, has a higher degree of automation, and can insert thousands of terminals per minute, with higher assembly efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of connector assembly equipment, and in particular to a composite cam high-speed terminal plugging mechanism. Background Art

[0002] Connectors are a component frequently encountered by electronics engineers. Their function is to bridge blocked or isolated circuits within a circuit, allowing current to flow and enabling the circuit to function as intended. Connectors generally consist of a rubber core and terminals that plug into it. Due to their compact size and high precision, they are in high demand. To improve processing efficiency, there is an increasing demand for highly automated, integrated connector assembly equipment.

[0003] The current terminal insertion mechanism generally inserts the terminal strip into the rubber core as a whole through an auxiliary mechanism and then breaks it, or breaks it with a breaking mechanism and then holds it by hand or clamps the terminal with a special clamping mechanism and inserts it into the rubber core. The degree of automation is low, and the rubber core and terminal need to be clamped multiple times during plug-in assembly. The operation is very cumbersome and the processing efficiency is low.

[0004] Therefore, in view of the above-mentioned technical problems, it is necessary to provide a new technical solution. Summary of the Invention

[0005] The purpose of the present invention is to provide a composite cam high-speed terminal plugging mechanism with a higher degree of automation, simple operation and higher efficiency.

[0006] In order to solve the above technical problems, the present invention provides a composite cam high-speed terminal plugging mechanism, and the specific technical solution is as follows:

[0007] A composite cam high-speed terminal insertion mechanism is used to break terminals from terminal strips and insert them into rubber cores. It includes a composite body and a terminal feeding device located on one side of the composite body. The composite body includes a housing, a composite cam group arranged inside the housing, and a terminal assembly knife group located outside the housing. The terminal assembly knife group is adapted to the terminal feeding device.

[0008] The composite cam assembly includes a first cam and a second cam that are parallel and oppositely arranged in an upper and lower direction. The first cam and the second cam are both disc-shaped cams and have two inner and outer annular grooves on their opposite sides. The first cam and the second cam are connected and fixed by a transmission shaft to maintain synchronous rotation.

[0009] The terminal assembly tool set includes a cutting tool, a clamping tool, a pushing tool that are drivingly connected to the compound cam set, and a fixed inner tool. The cutting tool and the clamping tool are adapted in position and can move horizontally on the same horizontal plane. The inner tool is located on the movement path of the cutting tool and the clamping tool to cooperate with the cutting tool to cut the terminal from the terminal strip. The pushing tool moves from one side close to the compound cam set to the other side, and its movement direction is perpendicular to the movement directions of the cutting tool and the clamping tool to push the cut terminal into the insertion hole of the rubber core.

[0010] Preferably, a connecting arm is provided between the compound cam set and the terminal assembly tool set. The connecting arm includes a first connecting arm connecting the first cam and the cutting tool, and a second connecting arm connecting the second cam and the clamping tool.

[0011] A first roller pointing to the first cam is rotatably fixed at one end of the first connecting arm close to the first cam. The first roller is slidably connected to the inner annular groove of the first cam. A second roller pointing to the second cam is rotatably fixed at one end of the second connecting arm close to the second cam. The second roller is slidably connected to the inner annular groove of the second cam.

[0012] Preferably, the connecting arm further includes a third connecting arm. One end of the third connecting arm is connected to the pushing tool, and third rollers are provided on both the upper and lower sides of the other end. The two third rollers are respectively slidably connected to the outer annular grooves of the first cam and the second cam.

[0013] Preferably, a cutting tool fixing slider is further provided between the first connecting arm and the cutting tool, and a clamping tool fixing slider is provided between the second connecting arm and the clamping tool. Rollers are provided in both the cutting tool fixing slider and the clamping tool fixing slider to facilitate the cutting tool and the clamping tool to maintain horizontal linear movement.

[0014] Preferably, a terminal guiding ratchet is provided at the upper end of the terminal feeding device. The terminal strip is guided by the terminal guiding ratchet and enters the terminal assembly tool set.

[0015] Preferably, the upper and lower ends of the transmission shaft respectively extend out of the first cam and the second cam. A driving motor is provided on one side of the compound cam set. A driving pulley is installed at the driving end of the driving motor. A driven pulley is fixed at the lower end of the transmission shaft. The driving pulley and the driven pulley are connected by a belt drive.

[0016] Preferably, the upper end of the transmission shaft extends out of the housing, and a debugging handwheel is installed at the upper end of the transmission shaft to facilitate the adjustment and installation of the compound cam set.

[0017] Preferably, a waste strip cutting device is further fixed on the outer side of the compound main body. The waste strip cutting device is located below the terminal assembly tool set. The waste strip cutting device includes a cutting knife and a cylinder for driving the cutting knife.

[0018] Preferably, the waste strip cutting device further includes a terminal feeding ratchet wheel and a stepping motor for driving the terminal feeding ratchet wheel, and the stepping motor is installed inside the housing.

[0019] Preferably, a moving track is provided below the composite body, and the composite body is fixedly and slidably installed on the moving track.

[0020] A composite cam high-speed terminal inserting mechanism of the present invention has the following beneficial effects:

[0021] In the composite cam high-speed terminal inserting mechanism of the present invention, by applying a disc-shaped cam to the connector assembling mechanism and cooperating with a reasonable structure, the rotation of the composite cam group by the motor for one circle can realize a series of processes from cutting the terminal to inserting it into the rubber core, which is stable and reliable, reduces the manual operation steps and makes the automation degree higher, and this mechanism can insert thousands of terminals per minute, with higher assembling efficiency;

[0022] Additional aspects and advantages of the present invention will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions of the present invention, the drawings required for use in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present invention, and those of ordinary skill in the art can also obtain other drawings based on these drawings without creative efforts.

[0024] Figure 1 is a schematic structural diagram of a composite cam high-speed terminal inserting mechanism;

[0025] Figure 2 is Figure 1 a side sectional view of the composite cam high-speed terminal inserting mechanism in;

[0026] Figure 3 is Figure 1 a top sectional view of the composite cam high-speed terminal inserting mechanism in;

[0027] Figure 4 is Figure 1 an internal structural diagram of the composite cam high-speed terminal inserting mechanism in;

[0028] Figure 5 is Figure 4 an exploded view of the composite cam group in;

[0029] Figure 6 is Figure 4 a schematic structural diagram of the inserting knife group in;

[0030] Figure 7 is Figure 6 An enlarged schematic view of part A in

[0031] Wherein, 1 - composite body; 100 - housing; 110 - composite cam group; 111 - first cam; 111a - first connecting arm; 111b - first roller; 112 - second cam; 112a - second connecting arm; 112b - second roller; 113 - transmission shaft; 114 - driven pulley; 115 - debugging handwheel; 120 - terminal assembly knife group; 121 - cutting knife; 121a - cutting knife fixing slider; 122 - clamping knife; 122a - clamping knife fixing slider; 123 - top knife; 123a - third connecting arm; 123b - third roller; 124 - inner knife; 130 - driving motor; 131 - driving pulley; 2 - terminal feeding device; 210 - terminal wire ratchet; 3 - waste tape cutting device; 310 - cylinder; 320 - terminal feeding ratchet; 330 - stepping motor; 4 - moving track; 5 - terminal strip. Specific embodiments

[0032] The embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to explain the present invention and should not be construed as limiting the present invention. Embodiment

[0033] Please refer to Figures 1 to 7 , a composite cam high-speed terminal inserting mechanism for breaking a terminal from a terminal strip 5 and inserting it into a rubber core, comprising a composite body 1 and a terminal feeding device 2 located on one side of the composite body. The composite body 1 includes a housing 100, a composite cam group 110 disposed inside the housing, and a terminal assembly knife group 120 located outside the housing. The terminal assembly knife group is adapted to the terminal feeding device;

[0034] The composite cam group 110 includes a first cam 111 and a second cam 112 which are parallel and arranged opposite to each other up and down. Both the first cam and the second cam are disc-shaped cams, and two non-concentric annular grooves, an inner groove and an outer groove, are provided on their opposite side surfaces. The first cam and the second cam are connected and fixed by a transmission shaft 113 to keep synchronous rotation;

[0035] The terminal assembly tool set 120 includes a cutting tool 121, a clamping tool 122, a pushing tool 123 that are drivingly connected to the compound cam set 110, and a fixedly arranged inner tool 124. The cutting tool 121 and the clamping tool 122 are adapted in position and can move horizontally on the same horizontal plane. The inner tool is located on the movement path of the cutting tool and the clamping tool to cooperate with the cutting tool to cut off the terminal from the terminal strip. The pushing tool moves from one side close to the compound cam set to the other side, and its movement direction is perpendicular to the movement directions of the cutting tool and the clamping tool to push the cut-off terminal into the insertion hole of the rubber core. Among them, a channel for limiting and allowing the terminal strip to pass through is provided in the middle of the terminal assembly tool set. The inner tool is specifically formed by the outer edge of this channel, and it is mainly used to limit the terminal strip to facilitate the cutting tool to cut off the terminal.

[0036] A connecting arm is provided between the compound cam set 110 and the terminal assembly tool set 120. The connecting arm includes a first connecting arm 111a connecting the first cam 111 and the cutting tool 121, and a second connecting arm 112a connecting the second cam 112 and the clamping tool 122;

[0037] One end of the first connecting arm 111a close to the first cam is rotatably fixed with a first roller 111b pointing to the first cam. The first roller is slidably connected to the inner annular groove of the first cam. One end of the second connecting arm 112a close to the second cam is rotatably fixed with a second roller 112b pointing to the second cam. The second roller is slidably connected to the inner annular groove of the second cam.

[0038] The connecting arm further includes a third connecting arm 123a. One end of the third connecting arm is connected to the pushing tool 123, and both the upper and lower sides of the other end are provided with third rollers 123b. The two third rollers are respectively slidably connected to the outer annular grooves of the first cam and the second cam. In order to make the upper and lower rollers move synchronously, the shapes and positions of the outer sliding grooves of the first cam and the second cam should be the same.

[0039] A cutting tool fixing slider 121a is further provided between the first connecting arm 111a and the cutting tool 121, and a clamping tool fixing slider 122a is provided between the second connecting arm 112a and the clamping tool 122. Rollers are provided in both the cutting tool fixing slider and the clamping tool fixing slider to facilitate the cutting tool and the clamping tool to maintain horizontal linear movement.

[0040] The specific working process of the terminal assembly tool set 120 is as follows:

[0041] When the first cam and the second cam rotate synchronously, the first connecting arm 111a and the second connecting arm 112a are driven by the first roller 111b and the second roller 112b located in the annular groove, thereby driving the cutter 121 and the clamping knife 122 to move. The specific movement timing is as follows: when the terminal strip moves to the designated position, the clamping knife and the cutter are respectively located on both sides of the terminal strip. At this time, the clamping knife moves towards the cutter to hold the terminal strip. At this time, the position of the terminal strip is adapted to the inner knife. Then the cutter moves towards the fixed inner knife. Under the combined action of the inner knife and the cutter, the terminal is cut off from the terminal strip. At the same time, the cutter and the clamping knife hold the terminal on both sides and move towards the top knife direction. The position of the top knife is adapted to the position of the rubber core. After the terminal moves to the designated position, it reaches the pre-insertion position of the terminal and the rubber core. Then the clamping knife and the cutter release the terminal, and the top knife extends to push the terminal into the insertion hole of the rubber core. The above actions are all completed within one rotation of the first cam and the second cam, and thousands of terminals can be inserted per minute, with extremely high efficiency.

[0042] A terminal guiding ratchet 210 is provided at the upper end of the terminal feeding device 2. The terminal strip is guided by the terminal guiding ratchet and enters the terminal assembly knife group 120.

[0043] The upper and lower ends of the transmission shaft 113 respectively extend out of the first cam and the second cam. A driving motor 130 is provided on one side of the composite cam group 110. A driving pulley 131 is installed at the driving end of the driving motor. A driven pulley 114 is fixed at the lower end of the transmission shaft. The driving pulley and the driven pulley are connected by belt drive.

[0044] The upper end of the transmission shaft 113 extends out of the housing 100, and a debugging handwheel 115 is installed at the upper end of the transmission shaft to facilitate the adjustment and installation of the composite cam group.

[0045] A waste strip cutting device 3 is also fixedly provided outside the composite main body 1, which is used to cut the waste strip into multiple short strips for easy collection. The waste strip cutting device is located below the terminal assembly knife group 120. The waste strip cutting device includes a cutting knife and a cylinder 310 for driving the cutting knife. The cutting knife has double cutting edges. When the cylinder repeatedly pushes and pulls the cutting knife, the cutting efficiency can be improved, and the influence of the cylinder reset on the waste strip cutting time can be reduced.

[0046] The waste strip cutting device 3 further includes a terminal feeding ratchet 320 and a stepping motor 330 for driving the terminal feeding ratchet. The stepping motor is installed inside the housing 100.

[0047] A moving track 4 is provided below the composite main body 1. The composite main body is fixedly installed on the moving track in a slidable manner. The relative position of the terminal and the rubber core can be adjusted by adjusting the position of the composite main body on the moving track, with higher adaptability.

[0048] The beneficial effects of the present invention are as follows: By applying a disk cam to the connector assembly mechanism and matching it with a reasonable structure, the motor drives the composite cam group to rotate one circle, and a series of processes from cutting the terminal to inserting it into the rubber core can be achieved. It is stable and reliable, reduces manual operation steps, has a higher degree of automation, and this mechanism can insert thousands of terminals per minute, with higher assembly efficiency.

[0049] Although the embodiments of the present invention have been shown and described above, it can be understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those of ordinary skill in the art can make changes, modifications, and variations to the above embodiments within the scope of the present invention.

Claims

1. A composite cam high-speed terminal inserting mechanism is used to break the terminal from the terminal strip (5) and insert it into the plastic core. It is characterized in that: The invention comprises a composite body (1) and a terminal feeding device (2) located on one side of the composite body, wherein the composite body (1) comprises a housing (100), a composite cam assembly (110) disposed inside the housing, and a terminal assembly knife assembly (120) located outside the housing, wherein the terminal assembly knife assembly is adapted to the terminal feeding device; The composite cam group (110) comprises a first cam (111) and a second cam (112) which are parallel and arranged opposite to each other in the upper and lower directions. The first cam and the second cam are both disc-shaped cams and have two inner and outer annular grooves on their opposite sides. The first cam and the second cam are connected and fixed by a transmission shaft (113) to maintain synchronous rotation. The terminal assembly knife group (120) includes a cutter (121), a clamping knife (122) and a top knife (123) which are transmission-connected to the composite cam group (110), and a fixed inner knife (124). The cutter (121) and the clamping knife (122) are adapted to each other and can move horizontally on the same horizontal plane. The inner knife is located on the movement path of the cutter and the clamping knife to cooperate with the cutter to cut the terminal from the terminal strip. The top knife moves from one side close to the composite cam group to the other side and its movement direction is perpendicular to the movement direction of the cutter and the clamping knife to push the cut terminal into the insertion hole of the rubber core. A connecting arm is provided between the composite cam group (110) and the terminal assembly knife group (120), the connecting arm comprising a first connecting arm (111a) connecting the first cam (111) and the cutting knife (121), and a second connecting arm (112a) connecting the second cam (112) and the clamping knife (122); A first roller (111b) pointing toward the first cam is rotatably fixed to one end of the first connecting arm (111a) close to the first cam, and the first roller is slidably connected to the inner annular groove of the first cam; a second roller (112b) pointing toward the second cam is rotatably fixed to one end of the second connecting arm (112a) close to the second cam, and the second roller is slidably connected to the inner annular groove of the second cam; A cutter fixing slider (121a) is provided between the first connecting arm (111a) and the cutter (121), and a clamping knife fixing slider (122a) is provided between the second connecting arm (112a) and the clamping knife (122). Rollers are provided in both the cutter fixing slider and the clamping knife fixing slider to facilitate the cutter and the clamping knife to maintain horizontal linear motion.

2. The composite cam high-speed terminal inserting mechanism according to claim 1, wherein: The connecting arm further comprises a third connecting arm (123a), one end of the third connecting arm being connected to the top knife (123), and the other end being provided with third rollers (123b) on both upper and lower sides, the two third rollers being respectively slidably connected to the outer annular grooves of the first cam and the second cam.

3. The composite cam high-speed terminal inserting mechanism according to claim 1, wherein: The upper end of the terminal feeding device (2) is provided with a terminal guide ratchet (210), and the terminal material strip is guided by the terminal guide ratchet (210) and enters the terminal assembly knife group (120).

4. The composite cam high-speed terminal inserting mechanism according to claim 1, wherein: The upper and lower ends of the transmission shaft (113) respectively extend out of the first cam and the second cam. A driving motor (130) is provided on one side of the composite cam group (110). A driving pulley (131) is installed at the driving end of the driving motor. A driven pulley (114) is fixed at the lower end of the transmission shaft. The driving pulley and the driven pulley are connected by belt drive.

5. The composite cam high-speed terminal inserting mechanism according to claim 4, characterized in that: The upper end of the transmission shaft (113) extends out of the housing (100), and a debugging handwheel (115) is installed at the upper end of the transmission shaft to facilitate the adjustment and installation of the composite cam group.

6. The composite cam high-speed terminal inserting mechanism according to claim 1, characterized in that: A waste belt cutting device (3) is also fixedly provided on the outside of the composite main body (1). The waste belt cutting device is located below the terminal assembly knife group (120). The waste belt cutting device includes a cutting knife and a cylinder (310) for driving the cutting knife.

7. The composite cam high-speed terminal inserting mechanism according to claim 6, wherein: The waste belt cutting device (3) further includes a terminal feeding ratchet wheel (320) and a stepping motor (330) for driving the terminal feeding ratchet wheel. The stepping motor is installed inside the housing (100).

8. The composite cam high-speed terminal inserting mechanism according to any one of claims 1-7, characterized in that: A moving track (4) is provided below the composite main body (1). The composite main body is slidably and fixedly installed on the moving track.

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