Connector terminal pressing equipment

Abstract

A connector terminal pressing device disclosed by the present invention comprises a workbench, supporting seats are symmetrically and fixedly installed in the middle of the surface of the workbench, a guide rail frame is fixedly installed at the tops of the two supporting seats, and a push-out device, a current limiting device, a first pre-pressing device, a second pre-pressing device and a pressing device are sequentially installed at the rear end of the guide rail frame from right to left. The push-out device is arranged at the input end of the guide rail frame, a conveying device is installed on the two supporting bases and located below the guide rail frame, the conveying device moves on the surface of the guide rail frame, and a controller is fixedly installed on the surface of the workbench. And the controller is electrically connected with the push-out device, the current limiting device, the first pre-pressing device, the second pre-pressing device, the pressing device and the conveying device. In combination with the structural design of the terminal pressing device, the terminal pressing work is realized through the pressing device, and the problems proposed in the background technology are effectively solved.

Description

Technical Field

[0001] The present invention relates to the technical field of connector production equipment, and particularly to a connector terminal pressing device. Background Art

[0002] Connectors are usually used to connect electronic devices to achieve the transmission of current and signals. A connector includes a terminal and a base. When producing a connector, the terminal needs to be placed at the corresponding position of the base first, and then one end of the terminal is pressed into the base for fixation. The terminal can ensure the firmness of the connection between devices and also reduce the risk of wire leakage.

[0003] Currently, in the production process, the terminals of connectors are usually pressed manually. However, the manual pressing method is inefficient, and the effect is not good when manually pressing the terminals into the base. Often, the situation where the terminals are not pressed in place occurs, thus affecting the service life of the connector. Summary of the Invention

[0004] The purpose of the present invention is to provide a connector terminal assembly device to solve the problems mentioned in the above background art, that is, in the current production process, the terminals of connectors are usually pressed manually, which is inefficient, and the effect is not good when manually pressing the terminals into the base. Often, the situation where the terminals are not pressed in place occurs, thus affecting the service life of the connector.

[0005] To achieve the above purpose, the present invention provides the following technical solution: A connector terminal pressing device includes a workbench. Symmetrically and fixedly installed in the middle of the surface of the workbench are support seats. Fixedly installed on the tops of the two support seats is a guide rail frame. At the rear end of the guide rail frame, a pushing device, a current limiting device, a first pre-pressing device, a second pre-pressing device, and a pressing device are installed in sequence from right to left. The pushing device is arranged at the input end of the guide rail frame. Installed below the guide rail frame on the two support seats is a conveying device, and the conveying device is movable on the surface of the guide rail frame. Fixedly installed on the surface of the workbench is a controller, and the controller is electrically connected to the pushing device, the current limiting device, the first pre-pressing device, the second pre-pressing device, the pressing device, and the conveying device.

[0006] Preferably, the first pre-pressing device and the second pre-pressing device adopt the same structural design.

[0007] Preferably, the pushing device includes a pushing support frame, a pushing cylinder, a sliding seat, a sliding block, and a pushing block. The pushing support frame is fixedly installed on the surface of the workbench. A pushing cylinder is fixedly installed at the rear end of the top of the pushing support frame. The top of the pushing support frame is fixedly connected to a sliding seat, and the sliding block is slidably connected to the top of the sliding seat. The rear end face of the sliding block is connected to the pushing cylinder, and the front end face of the sliding block is fixedly connected to a pushing block, and the pushing block is movable at the input end of the guide rail frame.

[0008] Preferably, the current-limiting device includes a current-limiting support frame, a current-limiting cylinder, and a current-limiting block. The current-limiting support frame is fixedly installed on the rear end face of the guide rail frame. A current-limiting cylinder is fixedly installed above the guide rail frame at the top of the current-limiting support frame. The output end of the current-limiting cylinder is fixedly connected to a current-limiting block, and the current-limiting block is movable on the top surface of the guide rail frame.

[0009] Preferably, the first pre-pressing device includes a pre-pressing support plate, a pre-pressing cylinder, and a pre-pressing assembly. The pre-pressing support plate is fixedly installed on the rear end face of the guide rail frame. A pre-pressing cylinder is fixedly installed above the guide rail frame at the top of the pre-pressing support plate, and the output end of the pre-pressing cylinder is fixedly connected to a pre-pressing assembly. A guide groove is formed in the surface of the pre-pressing support plate at a position opposite to the pre-pressing assembly, and the pre-pressing assembly is slidably connected in the guide groove, and the pre-pressing assembly is movable on the top surface of the guide rail frame.

[0010] Preferably, the pre-pressing assembly includes a connecting block, a pre-pressing block, and a guiding block. The connecting block is fixedly connected to the output end of the pre-pressing cylinder. The bottom of the connecting block is fixedly connected to a pre-pressing block, and the pre-pressing block is movable on the top surface of the guide rail frame. The guiding block is fixedly connected to the rear end of the pre-pressing block, and one end of the guiding block away from the pre-pressing block is slidably connected in the guide groove.

[0011] Preferably, a limiting plate is fixedly connected to the top surface of the guide rail frame, and a conveying cavity is formed between the limiting plate and the guide rail frame. An activity port is formed in the middle of the surface of the conveying cavity, and a conveying device is movably connected in the activity port. An auxiliary support frame is fixedly connected to the bottom of the guide rail frame in a staggered manner, and the bottom of the auxiliary support frame is connected to the surface of the workbench. A current-limiting port adapted to the current-limiting block is formed in the surface of the guide rail frame, and a limiting block is movable in the current-limiting port.

[0012] Preferably, the clamping device includes an upper pressing assembly and a lower pressing assembly, the upper pressing assembly includes an upper pressing support plate, an upper pressing cylinder, an upper pressing slide, an upper pressing slider and an upper pressing block, the upper pressing support plate is fixedly installed on one side of the guide rail frame surface, the upper pressing cylinder is fixedly installed above the surface of the upper pressing support plate, the surface of the upper pressing support plate is located directly below the upper pressing cylinder and is fixedly connected to the upper pressing slide, the surface of the upper pressing slide is slidably connected to the upper pressing slider, the bottom of the upper pressing slide is fixedly connected to the upper pressing block, and the upper pressing block moves on the surface of the guide rail frame, the lower pressing assembly includes a lower pressing cylinder and a lower pressing block, the lower pressing cylinder is located at a relative position of the upper pressing cylinder and is fixedly installed on one side of the auxiliary supporting frame surface through a fixed plate, the output end of the lower pressing cylinder is fixedly connected to the lower pressing block, and the lower pressing block and the upper pressing block move toward each other.

[0013] Preferably, the conveying device includes a conveying cylinder, a conveying frame, a conveying block and a conveying sliding assembly. The conveying cylinder is fixedly installed on the surface of the support seat, the output end of the conveying cylinder is fixedly connected to the conveying frame, the top surface of the conveying frame is equidistantly fixedly connected to the conveying blocks, and the conveying blocks are movable in the movable opening, and one side surface of the conveying frame is connected to the inner wall of the auxiliary support frame through the conveying sliding assembly.

[0014] Preferably, the conveying block includes a connecting block, a rotating plate and a toggle plate, the connecting block is fixedly connected to the surface of the conveying frame, a rotating position is opened on one side of the surface of the connecting block, the rotating position is connected to the rotating plate through a connecting pin, the bottom of the rotating plate is located at the rear end and conflicts with the surface of the rotating position, the top of the rotating plate is fixedly connected to the toggle plate, and the toggle plate adopts a triangular structure design. Beneficial Effects

[0015] Compared with the existing technology, the beneficial effects of the present invention are: In combination with the structural design of the present invention, through the design of the first pre-pressing device and the second pre-pressing device, the pre-pressing work of pressing the terminal into the base is realized, avoiding the possibility of the terminal being conveyed offset due to the conveying block in the base, thereby reducing the scrap rate. At the same time, the clamping device is used to realize the work of clamping the terminal, effectively solving the problems raised in the background technology. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a partial structural schematic diagram of the present invention; Figure 3 It is a schematic diagram of the structure of the ejection device and the guide rail frame of the present invention; Figure 4 It is a schematic diagram of the matching structure of the clamping device and the guide rail frame of the present invention; Figure 5Schematic structural diagram of the first preloading device of the present invention; Figure 6 Schematic structural diagram of the cooperation between the conveying device and the guide rail frame of the present invention; Figure 7 Schematic enlarged structural diagram at position A of the present invention.

[0017] The corresponding relationship between the labels of each attached drawing in the figure and the component names is as follows: 1. Workbench; 2. Support base; 3. Guide rail frame; 4. Pushing device; 5. Flow-limiting device; 6. First preloading device; 7. Second preloading device; 8. Pressing device; 9. Conveying device; 10. Controller; 11. Auxiliary support frame; 31. Limit plate; 32. Conveying cavity; 33. Flow-limiting port; 34. Movable port; 41. Pushing support frame; 42. Pushing cylinder; 43. Sliding seat; 44. Slide block; 45. Pushing block; 51. Flow-limiting support frame; 52. Flow-limiting cylinder; 53. Flow-limiting block; 61. Preloading support plate; 62. Preloading cylinder; 63. Preloading assembly; 81. Upper pressing assembly; 82. Lower pressing assembly; 91. Conveying cylinder; 92 Conveying frame; 93. Conveying block; 94. Conveying sliding assembly; 611. Guide groove; 631. Connecting block; 632. Preloading block; 633. Guide block; 811. Upper pressing support plate; 812. Upper pressing cylinder; 813. Upper pressing sliding seat; 814. Upper pressing slide block; 815. Upper pressing block; 821. Lower pressing cylinder; 822. Lower pressing block; 823. Fixed plate; 931. Connecting block 932. Rotating position; 933. Rotating plate; 934. Connecting pin; 935. Pushing plate. Detailed implementation manners

[0018] Next, the technical solutions of the present invention will be clearly and completely described in conjunction with the embodiments. Obviously, the described embodiments are part of the embodiments of the present invention, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "front", "back", "inside", "outside", "vertical", "horizontal" and the like indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore are not to be construed as limiting the present invention. In addition, the terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

[0020] like Figure 1-7 It is a structural schematic diagram of a connector terminal clamping device of a preferred embodiment of the present invention. In this embodiment, a connector terminal clamping device includes a workbench 1, a support seat 2 is symmetrically fixedly installed in the middle of the surface of the workbench 1, and a guide rail frame 3 is fixedly installed on the top of the two support seats 2 to achieve a supporting effect on the guide rail frame 3. The rear end of the guide rail frame 3 is successively installed with an ejection device 4, a current limiting device 5, a first pre-pressing device 6, a second pre-pressing device 7 and a clamping device 8 from right to left. The ejection device 4 is arranged at the input end of the guide rail frame 3, and a conveying device 9 is installed on the two support seats 2 below the guide rail frame 3, and the conveying device 9 is movable on the surface of the guide rail frame 3. A controller 10 is fixedly installed on the surface of the workbench 1, and the controller 10 is electrically connected to the ejection device 4, the current limiting device 5, the first pre-pressing device 6, the second pre-pressing device 7, the clamping device 8 and the conveying device 9.

[0021] Specifically, Figure 1-2 As shown, the controller 10 is used to control the ejection device 4, the current limiting device 5, the first pre-pressing device 6, the second pre-pressing device 7, the clamping device 8 and the conveying device 9, and the ejection device 4 is located at the guide frame 3, which can prevent the base from piling up at the entrance of the guide frame 3. The current limiting device 5 is used when the first pre-pressing device 6, the second pre-pressing device 7 and the clamping device 8 are stuck in the process. The current limiting device 5 is manually operated by the operator to limit the current and prevent the base from continuing to be conveyed in the direction of the first pre-pressing device 6. The first pre-pressing device 6 and the second pre-pressing device 7 are used to pre-press the terminals at the two ends of the base respectively to avoid the clamping device 8 from directly pressing down, resulting in an increase in the scrap rate. After the pre-pressing of the first pre-pressing device 6 and the second pre-pressing device 7, the base reaches the clamping device 8 through the toggle of the conveying device 9, and the clamping work of the terminal is realized through the operation of the clamping device 8; when the base is at the guide frame 3, it is moved by the conveying device 9.

[0022] In this embodiment, the first pre-pressing device 6 and the second pre-pressing device 7 adopt the same structural design.

[0023] In this embodiment, the pushing device 4 includes a pushing support frame 41, a pushing cylinder 42, a sliding seat 43, a sliding block 44, and a pushing block 45. The pushing support frame 41 is fixedly installed on the surface of the workbench 1. At the rear end of the top of the pushing support frame 41, a pushing cylinder 42 is fixedly installed. The top of the pushing support frame 41 is fixedly connected to a sliding seat 43, and the sliding block 44 is slidably connected to the top of the sliding seat 43. The rear end face of the sliding block 44 is connected to the pushing cylinder 42, and the front end face of the sliding block 44 is fixedly connected to a pushing block 45, and the pushing block 45 is movable at the input end of the guide rail frame 3.

[0024] Specifically, as Figure 3 shown, under the push of the output of the pushing cylinder 42, the sliding block 44 slides on the surface of the sliding seat 43. Driven by the forward and backward sliding of the sliding block 44, the pushing block 45 connected to the front end of the sliding block 44 realizes the pushing of the base at the entrance of the guide rail frame 3, effectively solving the problem of the base getting stuck.

[0025] In this embodiment, the current-limiting device 5 includes a current-limiting support frame 51, a current-limiting cylinder 52, and a current-limiting block 53. The current-limiting support frame 51 is fixedly installed on the rear end face of the guide rail frame 3. Above the guide rail frame 3, a current-limiting cylinder 52 is fixedly installed at the top of the current-limiting support frame 51. The output end of the current-limiting cylinder 52 is fixedly connected to a current-limiting block 53, and the current-limiting block 53 is movable on the top surface of the guide rail frame 3.

[0026] Specifically, as Figure 3 shown, when the base gets stuck during the processes of the first pre-pressing device 6, the second pre-pressing device 7, and the pressing device 8, the operator controls through the controller to raise the current-limiting cylinder 52, so that the current-limiting block 53 is misaligned with the current-limiting port 33, thereby achieving the function of current limiting, which is convenient for the operator to better handle the material jamming in the processes of the first pre-pressing device 6, the second pre-pressing device 7, and the pressing device 8.

[0027] In this embodiment, the first pre-pressing device 6 includes a pre-pressing support plate 61, a pre-pressing cylinder 62, and a pre-pressing assembly 63. The pre-pressing support plate 61 is fixedly installed on the rear end face of the guide rail frame 3. Above the guide rail frame 3, a pre-pressing cylinder 62 is fixedly installed at the top of the pre-pressing support plate 61, and the output end of the pre-pressing cylinder 62 is fixedly connected to a pre-pressing assembly 63. A guide groove 611 is formed on the surface of the pre-pressing support plate 61 at a position opposite to the pre-pressing assembly 63, and the pre-pressing assembly 63 is slidably connected in the guide groove 611. The pre-pressing assembly 63 is movable on the top surface of the guide rail frame 3. The pre-pressing assembly 63 includes a connecting block 631, a pre-pressing block 632, and a guide block 633. The connecting block 631 is fixedly connected to the output end of the pre-pressing cylinder 62. The bottom of the connecting block 631 is fixedly connected to a pre-pressing block 632, and the pre-pressing block 632 is movable on the top surface of the guide rail frame 3. The guide block 633 is fixedly connected to the rear end of the pre-pressing block 632, and one end of the guide block 633 away from the pre-pressing block 632 is slidably connected in the guide groove 611.

[0028] Specifically, Figure 5 As shown, the pre-stressing cylinder 62 is driven to drive the pre-stressing block 632 downward to pre-stress one end of the base. During the downward pre-stressing displacement process, the pre-stressing block 632 cooperates with the guide groove 611 to play a guiding role, thereby effectively avoiding position displacement of the pre-stressing block 632 after long-term use, thereby affecting the subsequent clamping work.

[0029] In this embodiment, if Figure 6-7 As shown, the top surface of the guide rail frame 3 is fixedly connected with a limit plate 31, and a conveying cavity 32 is formed between the limit plate 31 and the guide rail frame 3, a base is slidably arranged in the conveying cavity 32, and the setting of the limit plate 31 plays a limiting role in the sliding process of the base in the conveying cavity 32, effectively avoiding the possibility of the base escaping from the conveying cavity 32 under the manipulation of the conveying device 9, a movable opening 34 is opened in the middle of the surface of the conveying cavity 32, and the conveying device 9 is movably connected in the movable opening 34, the bottom of the guide rail frame 3 is staggered and fixedly connected with an auxiliary support frame 11, and the bottom of the auxiliary support frame 11 is connected to the surface of the workbench 1, and the setting of the auxiliary support frame 11 can effectively support the guide rail frame 3, and the surface of the guide rail frame 3 is opened with a flow limiting opening 33 adapted to the flow limiting block 53, and the flow limiting opening 33 has a movable limit block 53.

[0030] In this embodiment, if Figure 4 As shown, the clamping device 8 includes an upper pressing component 81 and a lower pressing component 82. The upper pressing component 81 includes an upper pressing support plate 811, an upper pressing cylinder 812, an upper pressing slide 813, an upper pressing slider 814 and an upper pressing block 815. The upper pressing support plate 811 is fixedly installed on one side of the surface of the guide rail frame 3. The upper pressing cylinder 812 is fixedly installed above the surface of the upper pressing support plate 811. The surface of the upper pressing support plate 811 is located directly below the upper pressing cylinder 812 and is fixedly connected to the upper pressing slide 813. The upper pressing slide 814 is fixedly connected to the upper pressing slide 815. 3 surface is slidably connected with an upper pressing slider 814, the bottom of the upper pressing slider 814 is fixedly connected with an upper pressing block 815, and the upper pressing block 815 moves on the surface of the guide rail frame 3, the lower pressing assembly 82 includes a lower pressing cylinder 821 and a lower pressing block 822, the lower pressing cylinder 821 is located at a relative position to the upper pressing cylinder 812 and is fixedly installed on one side of the surface of the auxiliary support frame 11 through a fixing plate 823, the output end of the lower pressing cylinder 821 is fixedly connected with the lower pressing block 822, and the lower pressing block 822 and the upper pressing block 815 move toward each other.

[0031] Specifically, in the process of pressing the terminals in the base, the upper pressure cylinder 812 and the lower pressure cylinder 821 synchronously drive the upper pressure block 815 and the lower pressure block 822 to output toward the base, and the lower pressure block 822 is placed on the bottom surface of the base. The upper pressure block 815 resists the terminals in the base, and the top placement of the lower pressure block 822 can effectively avoid the possibility of deformation of the base during the process of pressing the terminals by the upper pressure block 815, thereby reducing the scrap rate.

[0032] In this embodiment, if Figure 6-7 As shown, the conveying device 9 includes a conveying cylinder 91, a conveying frame 92, a conveying block 93 and a sliding assembly 94. The conveying cylinder 91 is fixedly installed on the surface of the support seat 2, and the output end of the conveying cylinder 91 is fixedly connected to the conveying frame 92. The top surface of the conveying frame 92 is equidistantly fixedly connected to the conveying blocks 93, and the conveying blocks 93 are movable in the movable opening 34. One side surface of the conveying frame 92 is connected to the inner wall of the auxiliary support frame 11 through the sliding assembly 94.

[0033] Specifically, during operation, driven by the output of the conveying cylinder 91, the conveying frame 92 slides stably left and right directly below the guide frame 3 through the sliding assembly 94, and the conveying block 93 connected to the top of the conveying frame 92 slides at the movable opening, and the conveying function of moving the base in the conveying chamber 32 is realized through the conveying block 93.

[0034] In this embodiment, if Figure 7 As shown, the conveying block 93 includes a connecting block 931, a rotating plate 933 and a toggle plate 935. The connecting block 931 is fixedly connected to the surface of the conveying frame 92. A rotating position 932 is provided on one side of the surface of the connecting block 931. The rotating position 932 is connected to the rotating plate 933 through a connecting pin 934. The bottom of the rotating plate 933 is located at the rear end and conflicts with the surface of the rotating position 932. The top of the rotating plate 933 is fixedly connected to the toggle plate 935, and the toggle plate 935 adopts a triangular structure design.

[0035] During specific operation, when the conveying frame 92 slides to the left, the front end of the toggle plate 935 contacts the surface of the base, and at the same time, the bottom rear end of the rotating plate 933 abuts against the rotating position 932, so that the rotating plate 933 will not rotate when it is subject to resistance from the base, thereby driving the base to convey to the left. When the conveying frame 92 slides to the right, due to the cavity between the bottom front end of the rotating plate 933 and the rotating position 932, the rear end inclined surface of the toggle plate 935 is subject to resistance from the base, and the rotating plate 933 is flipped downward with the connecting pin 934 as the center, so that the conveying frame 92 slides to the right and the toggle plate 935 does not drive the base to convey to the right. Combined with the above-mentioned design, the conveying function of the base in the conveying cavity 32 is realized.

[0036] The above content is a further detailed description of the present invention in combination with specific embodiments. It cannot be determined that the specific implementation of the present invention is only limited to these descriptions. For those of ordinary skill in the technical field to which the present invention pertains, without departing from the concept of the present invention, several simple deductions or substitutions can still be made, and all should be regarded as falling within the protection scope determined by the claims submitted for the present invention.

Claims

1. A connector terminal pressing device, comprising a workbench (1), characterized in that: In the middle of the surface of the workbench (1), support seats (2) are symmetrically and fixedly installed. On the tops of the two support seats (2), a guide rail frame (3) is fixedly installed. At the rear end of the guide rail frame (3), a pushing device (4), a current limiting device (5), a first preloading device (6), a second preloading device (7), and a pressing device (8) are installed in sequence from right to left. The pushing device (4) is arranged at the input end of the guide rail frame (3). On the two support seats (2) and below the guide rail frame (3), a conveying device (9) is installed, and the conveying device (9) moves on the surface of the guide rail frame (3). A controller (10) is fixedly installed on the surface of the workbench (1), and the controller (10) is electrically connected to the pushing device (4), the current limiting device (5), the first preloading device (6), the second preloading device (7), the pressing device (8), and the conveying device (9).

2. The pressing device for a connector terminal according to claim 1, wherein: The first preloading device (6) and the second preloading device (7) adopt the same structural design.

3. The pressing device for a connector terminal according to claim 1, wherein: The pushing device (4) includes a pushing support frame (41), a pushing cylinder (42), a sliding seat (43), a sliding block (44), and a pushing block (45). The pushing support frame (41) is fixedly installed on the surface of the workbench (1). At the rear end of the top of the pushing support frame (41), a pushing cylinder (42) is fixedly installed. The top of the pushing support frame (41) is fixedly connected to a sliding seat (43), and the sliding block (44) is slidably connected to the top of the sliding seat (43). The rear end face of the sliding block (44) is connected to the pushing cylinder (42), and the front end face of the sliding block (44) is fixedly connected to a pushing block (45), and the pushing block (45) moves at the input end of the guide rail frame (3).

4. The pressing device for a connector terminal according to claim 1, wherein: The current limiting device (5) includes a current limiting support frame (51), a current limiting cylinder (52), and a current limiting block (53). The current limiting support frame (51) is fixedly installed on the rear end face of the guide rail frame (3). At the top of the current limiting support frame (51) and directly above the guide rail frame (3), a current limiting cylinder (52) is fixedly installed. The output end of the current limiting cylinder (52) is fixedly connected to a current limiting block (53), and the current limiting block (53) moves on the top surface of the guide rail frame (3).

5. The pressing device for a connector terminal according to claim 2, wherein: The first preloading device (6) includes a preloading support plate (61), a preloading cylinder (62), and a preloading assembly (63). The preloading support plate (61) is fixedly installed on the rear end face of the guide rail frame (3). At the top of the preloading support plate (61) and directly above the guide rail frame (3), a preloading cylinder (62) is fixedly installed, and the output end of the preloading cylinder (62) is fixedly connected to a preloading assembly (63). A guiding groove (611) is formed on the surface of the preloading support plate (61) at a position opposite to the preloading assembly (63), and the preloading assembly (63) is slidably connected in the guiding groove (611), and the preloading assembly (63) moves on the top surface of the guide rail frame (3).

6. The pressing device for a connector terminal according to claim 5, wherein: The preloading assembly (63) includes a connecting block (631), a preloading block (632) and a guiding block (633). The connecting block (631) is fixedly connected to the output end of the preloading cylinder (62). The bottom of the connecting block (631) is fixedly connected with the preloading block (632), and the preloading block (632) is movably arranged on the top surface of the guide rail frame (3). The guiding block (633) is fixedly connected to the rear end of the preloading block (632), and one end of the guiding block (633) away from the preloading block is slidably connected in the guiding groove (611).

7. The pressing device for a connector terminal according to claim 1, wherein: A limiting plate (31) is fixedly connected to the top surface of the guide rail frame (3), and a conveying cavity (32) is formed between the limiting plate (31) and the guide rail frame (3). An activity port (34) is formed in the middle of the surface of the conveying cavity (32), and a conveying device (9) is movably connected in the activity port (34). Auxiliary support frames (11) are fixedly connected to the bottom of the guide rail frame (3) in a staggered manner, and the bottoms of the auxiliary support frames (11) are connected to the surface of the workbench (1). A current-limiting port (33) adapted to the current-limiting block (53) is formed in the surface of the guide rail frame (3), and a limiting block (53) is movably arranged in the current-limiting port (33).

8. The pressing device for a connector terminal according to claim 1, characterized in that: The pressing device (8) includes an upper pressing assembly (81) and a lower pressing assembly (82). The upper pressing assembly (81) includes an upper pressing support plate (811), an upper pressing cylinder (812), an upper pressing sliding seat (813), an upper pressing sliding block (814) and an upper pressing block (815). The upper pressing support plate (811) is fixedly installed on one side of the surface of the guide rail frame (3). An upper pressing cylinder (812) is fixedly installed above the surface of the upper pressing support plate (811). An upper pressing sliding seat (813) is fixedly connected to the surface of the upper pressing support plate (811) directly below the upper pressing cylinder (812). The upper pressing sliding block (814) is slidably connected to the surface of the upper pressing sliding seat (813). The bottom of the upper pressing sliding block (814) is fixedly connected with the upper pressing block (815), and the upper pressing block (815) is movably arranged on the surface of the guide rail frame (3). The lower pressing assembly (82) includes a lower pressing cylinder (821) and a lower pressing block (822). The lower pressing cylinder (821) is located at a position opposite to the upper pressing cylinder (812) and is fixedly installed on one side of the surface of the auxiliary support frame (11) through a fixing plate (823). The output end of the lower pressing cylinder (821) is fixedly connected with the lower pressing block (822), and the lower pressing block (822) moves towards the upper pressing block (815).

9. The pressing device for a connector terminal according to claim 1, wherein: The conveying device (9) includes a conveying cylinder (91), a conveying frame (92), a conveying block (93) and a sliding assembly (94). The conveying cylinder (91) is fixedly installed on the surface of the support seat (2). The output end of the conveying cylinder (91) is fixedly connected with the conveying frame (92). The conveying blocks (93) are fixedly connected to the top surface of the conveying frame (92) at equal intervals, and the conveying blocks (93) are movably arranged in the activity port (34). One side surface of the conveying frame (92) is connected to the inner wall of the auxiliary support frame (11) through the sliding assembly (94).

10. The pressing device for a connector terminal according to claim 9, characterized in that: The conveying block (93) comprises a connecting block (931), a rotating plate (933) and a toggle plate (935); the connecting block (931) is fixedly connected to the surface of the conveying frame (92); a rotating position (932) is provided on one side of the surface of the connecting block (931); the rotating position (932) is connected to the rotating plate (933) via a connecting pin (934); the bottom of the rotating plate (933) is located at the rear end and contacts the surface of the rotating position (932); the top of the rotating plate (933) is fixedly connected to the toggle plate (935); and the toggle plate (935) adopts a triangular structure design.

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