A pin inserting machine

By providing a pin insertion machine that directly inserts the pin into the base, the problem of poor signal pin stability in existing pin insertion machines is solved, and high stability of the signal pin is achieved.

CN115954744BActive Publication Date: 2026-05-05SICHUAN HUAFENG ENTERPRISE GRP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
SICHUAN HUAFENG ENTERPRISE GRP
Filing Date
2023-02-07
Publication Date
2026-05-05

AI Technical Summary

Technical Problem

The signal pins of existing pin insertion machines have poor stability when processing connectors, mainly because the pins are cut with a die and then assembled with clamps.

Method used

A pin insertion device is provided, which improves signal pin stability by changing the method of direct insertion into the base.

Benefits of technology

By directly inserting the signal pin into the base, the signal pin becomes more stable, avoiding the instability issues associated with clip assembly.

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Abstract

This invention discloses a pin insertion machine, comprising: a material support plate with signal pin dropping holes and surplus material dropping holes; a material conveying assembly for conveying material onto the material support plate; a die assembly including a pin cutting component corresponding to the position of the signal pin dropping hole and a surplus material cutting component corresponding to the position of the surplus material dropping hole; a pad assembly including a signal pin receiving connector for receiving the signal pins cut by the pin cutting component; a plug assembly including a plug for clamping the signal pins on the signal pin receiving connector to insert the signal pins into a base; and a driving component for driving the die assembly and the pad assembly to move along a guide rod and driving the plug assembly to move in a direction perpendicular to the guide rod to realize the operations of signal pin cutting, signal pin clamping, and signal pin insertion into the base. The cut signal pins do not need to be assembled into the product using clamps, but are directly inserted into the base after being fitted with the plug, resulting in higher signal pin stability.
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Description

Technical Field

[0001] This invention belongs to the field of connector processing equipment, and specifically relates to a pin insertion machine. Background Technology

[0002] The production of printed circuit board connectors for communication terminals typically requires a pin insertion machine, which cuts the signal pins from the strip material and inserts them into the base. Current pin insertion machines generally use a punching method on a die to remove excess material during connector processing, then use upper and lower clamps to hold the signal pins and insert them into the base. Using the existing pin insertion machine structure results in poor stability of the signal pins. Summary of the Invention

[0003] To address the problem of poor signal pin stability caused by the existing pin insertion machine's method of cutting off excess material by punching holes in a die and then clamping the signal pin with upper and lower clamps to insert it into the base, this invention provides a pin insertion machine in which the cutting is changed from punching holes to blanking. The cut signal pin does not need to be assembled into the product by clamps, but is directly inserted into the base after being fitted onto the plug, resulting in higher signal pin stability.

[0004] The objective of this invention is achieved through the following technical solution:

[0005] This invention provides a pin insertion device, comprising:

[0006] A material support plate, wherein the material support plate is provided with a signal needle discharge hole and a residual material discharge hole;

[0007] A material conveying assembly for conveying the material onto the material support plate;

[0008] A die assembly, the die assembly including a pin cutter corresponding to the position of the signal pin blanking hole and a scrap cutter corresponding to the position of the scrap blanking hole;

[0009] A pad assembly, the pad assembly including a signal pin receiver for receiving the signal pins cut off by the pin cutter;

[0010] A plug assembly, the plug assembly including a plug for clamping a signal pin on the signal pin receiver to insert the signal pin into a base;

[0011] A driving component is provided to drive the die assembly and the pad assembly to move along a guide rod and to drive the plug assembly to move in a direction perpendicular to the guide rod to perform signal needle cutting, signal needle clamping and signal needle insertion into the base.

[0012] In one possible design, the die assembly includes a stamping template, a stripper plate, a stripper plate with a material positioning element, a signal needle cutter, a scrap cutter, a first elastic element, and a limiting rod.

[0013] One end of the signal needle cutting part and the scrap cutting part are fixed on the stamping template, and the other end is placed in the cutting hole of the unloading plate;

[0014] The limiting rod is connected between the stamping template and the unloading plate, and the stamping template or the unloading plate can slide along the limiting rod within a certain length distance;

[0015] The first elastic element is placed between the stamping template and the unloading plate and pushes them to move away from each other.

[0016] In one possible design, the signal needle connector is provided with at least one protrusion for placement between two adjacent needle tips of the signal needle;

[0017] The plug includes at least two pairs of clamping tabs, with two adjacent pairs of clamping tabs positioned on either side of a protrusion.

[0018] In one possible design, the pad assembly includes a signal pin holder, a movable block for fixing the signal pin holder and slidable along the guide rod, and a second elastic element.

[0019] The second elastic element has a force that pushes the moving block toward the die assembly.

[0020] In one possible design, the pad assembly is also provided with a waste material collection cylinder corresponding to the position of the waste material discharge hole.

[0021] In one possible design, the drive component includes:

[0022] One pivot,

[0023] A drive mechanism for driving the rotation of the shaft.

[0024] A turntable assembly, wherein the turntable assembly is fixed on the rotating shaft and the turntable assembly is provided with a first cam curve ring, a second cam curve ring, and a third cam curve ring.

[0025] A first drive rod is provided, with a rotating shaft on the first drive rod and both ends of the first drive rod being rotatable around the rotating shaft. One end of the first drive rod is provided with a first sliding component that slides on the first cam curve ring, and the other end is provided with a second sliding component that can move along a slide groove on the die assembly.

[0026] A second drive rod is provided, on which a rotating shaft is provided, and both ends of the second drive rod can rotate around the rotating shaft. One end of the second drive rod is provided with a third sliding component that slides on the second cam curve ring, and the other end is provided with a fourth sliding component that can move along the sliding groove on the pad assembly.

[0027] A third drive rod is placed on a guide rail. One end of the third drive rod is provided with a fifth sliding component that slides on the third cam curve ring, and the other end is fixed to the plug assembly.

[0028] In one possible design, the turntable assembly includes a first turntable and a second turntable, with any two of the first, second, and third cam curve rings respectively disposed on both sides of the first turntable.

[0029] In one possible design, the first cam curve ring, the second cam curve ring, and the third cam curve ring include a first thread segment, a second thread segment, a third thread segment, a fourth thread segment, and a fifth thread segment that correspond to each other and are connected in sequence.

[0030] The first thread segment keeps the position of the plug assembly unchanged, while the punching die assembly and the pad assembly move toward each other to clamp the signal pin on the signal pin drop hole.

[0031] The second thread segment keeps the position of the plug assembly unchanged, while the die assembly and the pad assembly move simultaneously toward the plug assembly to complete the unloading of the signal pin and the cutting of the scrap, and make the position of the signal pin receiving end of the pad assembly correspond to the position of the plug assembly.

[0032] The third thread segment keeps the positions of the die assembly and the pad assembly unchanged, and moves the plug assembly toward the pad assembly so that the plug clamps the signal pin on the signal pin connector.

[0033] The fourth thread segment causes the plug assembly to remain in a fixed position first, and then the punching die assembly and the pad assembly move away from the plug assembly simultaneously. After that, the plug assembly continues to move towards the pad assembly, and after the pin insertion is completed, it is reset and the punching die assembly and the pad assembly are reset.

[0034] In one possible design, the rotating shaft is provided with a light-shielding plate and a detection device for detecting the light-shielding plate.

[0035] Compared with the prior art, the present invention has at least the following advantages and beneficial effects:

[0036] The cutting step of the pin insertion machine of the present invention is direct material cutting. The cut signal pin does not need to be assembled into the product by clamps, but is directly inserted into the base after being put into the plug, which makes the signal pin more stable. Attached Figure Description

[0037] To more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0038] Figure 1 This is a perspective view of the pin insertion machine of the present invention.

[0039] Figure 2 for Figure 1 Enlarged view at point A1;

[0040] Figure 3 for Figure 1 Enlarged view at point A2;

[0041] Figure 4 This is a perspective view of the die assembly of the present invention;

[0042] Figure 5 for Figure 4 The bottom view of the die assembly shown;

[0043] Figure 6 for Figure 5 DD view;

[0044] Figure 7 for Figure 5 AA view;

[0045] Figure 8 This is a perspective view of the material support plate of the present invention;

[0046] Figure 9 for Figure 8 The bottom view of the material tray shown;

[0047] Figure 10 This is a perspective view of the driving component of the present invention;

[0048] Figure 11 This is a top view of the drive component;

[0049] Figure 12 for Figure 11 AA view;

[0050] Figure 13 for Figure 11 BB view;

[0051] Figure 14 for Figure 11 CC view;

[0052] Figure 15The diagram shows the effect of the first thread segment, the second thread segment, the third thread segment, and the fourth thread segment.

[0053] Figure 16 This is a schematic diagram showing the connection between the third drive rod and the guide rail.

[0054] Figure 17 This is a partial schematic diagram of the pin insertion device of the present invention;

[0055] Figure 18 for Figure 17 Enlarged view at point A3;

[0056] Figure 19 This is a schematic diagram of the material section;

[0057] Figure 20 This is a partial schematic diagram of the signal needle;

[0058] Figure 21 This is a top view of the pin insertion machine of the present invention;

[0059] Figure 22 This is a perspective view of the pin insertion machine of the present invention from another angle. Detailed Implementation

[0060] To make the objectives, technical solutions, and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. The components of the embodiments of the present invention described and shown in the accompanying drawings can generally be arranged and designed in various different configurations.

[0061] Therefore, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the invention without inventive effort are within the scope of protection of the invention.

[0062] It should be noted that, unless otherwise specified, the embodiments and features described in this invention can be combined with each other.

[0063] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0064] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this invention is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0065] In the description of this invention, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0066] This invention discloses a pin insertion machine for processing connectors. The connector includes a base and signal pins. During connector processing, the pin insertion machine first... Figure 19 Cut out the following from the strip 9 shown: Figure 20 The signal pin 91 shown is then inserted into the base. Specifically, as shown... Figure 1 , 21 As shown, the pin insertion machine of this solution includes a material support plate 4, a feeding assembly, a die assembly, a pad assembly, a plug assembly, and a drive component. The material support plate is provided with signal pin dropping holes 41 and excess material dropping holes 42; the feeding assembly is used to convey the strip material onto the material support plate, the strip material including signal pins 91 and excess material 92 excluding the signal pins 91, and feeding holes 93 are evenly spaced on the strip material to allow for... Figure 10As shown, the feeding assembly conveys the strip material onto the support plate, aligning the signal pin 91 on the strip material with the signal pin dropping hole 41. The die assembly includes a pin cutting component corresponding to the signal pin dropping hole and a scrap cutting component corresponding to the scrap dropping hole; the pad assembly includes a signal pin receiving connector for receiving the signal pins cut by the pin cutting component; the plug assembly includes a plug for clamping the signal pin on the signal pin receiving connector to insert the signal pin into the base; the driving component drives the die assembly and the pad assembly to move along a guide rod 5 and drives the plug assembly to move in a direction perpendicular to the guide rod to realize the operations of signal pin cutting, signal pin clamping, and signal pin insertion into the base. This pin insertion machine needs to be used in conjunction with a base conveying device, which is another device whose base position corresponds to the plug assembly position. This device is not shown in this solution.

[0067] The frame 99 of the pin insertion machine provides support and fixation for the entire equipment. The material support plate 4, material conveying assembly, punching die assembly, pad assembly, plug assembly and drive components are all placed on the frame 99.

[0068] like Figure 2 As shown, the material conveying assembly comprises a material conveying plate 73, a first pressure plate 74, a gear 71, and a drive motor 72. The material conveying plate 73 has a material conveying trough, into which the conveying material is placed. The bottom of the trough has a material conveying hole and a material detection hole. The first pressure plate 74 is positioned above the material conveying trough to press and limit the material conveying. Around the gear 71 are protrusions 711 that engage within the material conveying holes 93 during material conveying. The arc length between two adjacent protrusions 711 is equal to the distance between two adjacent conveying holes 93 on the material. Some of the protrusions 711 are placed within the material conveying holes. A material detection optical fiber 75 is installed within the material detection hole, which detects the transmission cycle of the signal needle by detecting the material conveying hole 93.

[0069] like Figure 4-7As shown, the die assembly includes a stamping template 11, a stripper plate 12, a material positioning component 13 disposed on the stripper plate 12, a signal needle cutter 14, a scrap material cutter 15, a first elastic component 16, and a limiting rod 17. One end of the signal needle cutter 14 and the scrap material cutter 15 is fixed to the stamping template 11, and the other end is placed in a cutting hole on the stripper plate 12. The limiting rod 17 connects the stamping template 11 and the stripper plate 12, and either the stamping template 11 or the stripper plate 12 can slide along the limiting rod within a certain length. The first elastic component 16 is placed between the stamping template 11 and the stripper plate 12 and pushes them to move away from each other. Guide holes are provided on both the stamping template 11 and the stripper plate 12, and the parts are fitted onto a guide rod through the guide holes to move along the guide rod 5 under the drive of a driving component. The material positioning component 13, signal needle cutting component 14, and excess material cutting component 15 are connected in a detachable manner to facilitate the replacement of different molds according to different specifications of material. The first elastic component 16 can be a spring. Under normal circumstances, the first elastic component 16 is compressed, and the stamping template 11 and the stripper plate 12 maintain the maximum distance. The cutting ends of the signal needle cutting component 14 and the excess material cutting component 15 are placed in the cutting holes on the stripper plate 12. During the downward movement of the stamping template 11, it will drive the stripper plate 12 downward. After contacting the signal needle to be cut, it continues to move downward. At this time, the stamping template 11 continues to move downward, the spring continues to be compressed, the distance between the stamping template 11 and the stripper plate 12 decreases, and the cutting ends of the signal needle cutting component 14 and the excess material cutting component 15 protrude from the cutting holes. The continued downward movement of the stamping template 11 can realize the cutting of the signal needle and the excess material. After the stamping template 11 moves upward, under the force of the spring, the distance between the stamping template 11 and the stripper plate 12 increases, and the cutting ends of the signal needle cutter 14 and the scrap cutter 15 retract into the cutting holes, thus achieving the unloading of the signal needle and the scrap. The stamping template 11 and the stripper plate 12 need to maintain an adjustable spacing design, such as... Figure 7 As shown, one end of the limiting rod 17 is threadedly connected to the unloading plate 12, and the stamping template 11 keeps the limiting rod 17 and the unloading plate 12 relatively stationary during the downward movement of the stamping template 11; the other end is placed on the stamping template 11 and is provided with a limiting ring structure, so that the stamping template 11 can move along the limiting rod 17 between the limiting ring and the unloading plate 12.

[0070] Furthermore, in order to improve the accuracy of signal needle cutting, such as Figure 8 , 9 As shown, a positioning hole 43 can be provided on the material support plate 4, the position of which corresponds to the position of the strip positioning member 13, so that the strip positioning member 13 can pass through the feed hole 93 on the strip and be placed in the positioning hole 43. In order to improve the stability of the strip and prevent the strip from deforming during cutting, a second pressure plate 44 can be provided on the material support plate 4. A conveying groove is provided on the second pressure plate 44 to limit the conveying of the strip.

[0071] To enhance the stability of the signal pin clamping, such as Figure 3 As shown, the signal needle connector 21 is provided with at least one protrusion 22 for placement between two adjacent needles of the signal needle; the plug 31 includes at least two pairs of clamping pieces 32, with two adjacent pairs of clamping pieces placed on both sides of a protrusion 22. Figure 3 The example shown illustrates a signal pin connector 21 with two protrusions positioned between two pins on either side of the signal pin. The plug 31 has three pairs of clamping tabs 32, which clamp the signal pin from both sides and the center. When the plug assembly clamps the signal pin, it abuts against the protrusions 22, ensuring the signal pin reliably enters between the clamping tabs 32.

[0072] Specifically, the driving component includes a rotating shaft 61, a driving mechanism 62, a turntable assembly, a first driving rod 63, a second driving rod 64, and a third driving rod 65. The driving mechanism 62 can be driven by a motor. The turntable assembly is fixed on the rotating shaft 61, and the turntable assembly is provided with a first cam curve ring, a second cam curve ring, and a third cam curve ring. To simplify the structure of the turntable assembly, the turntable assembly adopts the following... Figure 1 , 10 The structure of the two turntables shown in Figure 11 includes a first turntable 67 and a second turntable 68. Any two of the first, second, and third cam curve rings are respectively arranged on both sides of the first turntable 67, that is, three cam curve rings can be set using two turntables. The first turntable 67 and the second turntable 68 can be specifically designed as follows: Figure 2 The cam structure shown can be used, or a structure with grooved rings around the shaft of the turntable can be adopted.

[0073] A rotating shaft is provided on the first drive rod 63, and both ends of the first drive rod 63 can rotate around the rotating shaft. One end of the first drive rod 63 is provided with a first sliding component that slides on the first cam curve ring, and the other end is provided with a second sliding component that can move along the slide groove on the die assembly. Specifically, as shown... Figure 1 , 16 As shown, a slide groove is provided on the stamping template 11, and the second sliding component is placed in the slide groove on the stamping template 11. The first drive rod 63 can rotate around the rotating shaft under the drive of the first cam curve ring, so as to realize the up and down movement of the stamping template 11.

[0074] The second drive rod 64 is provided with a rotating shaft, and both ends of the second drive rod 64 can rotate around the rotating shaft. One end of the second drive rod 64 is provided with a third sliding component that slides on the second cam curve ring, and the other end is provided with a fourth sliding component that can move along the slide groove on the pad assembly.

[0075] like Figure 10 , 16 As shown, the third drive rod 65 is placed on the guide rail 66 and can move along the guide rail. One end of the third drive rod 65 is provided with a fifth sliding component 69 that slides on the third cam curve ring, and the other end is fixed to the plug assembly. The guide rail 66 is fixed on the frame and is perpendicular to the movement direction of the die assembly and the pad assembly. When the entire pin insertion machine is in the reset state, the guide rail and the plug assembly are placed between the die assembly and the pad assembly, so that the movement direction of the plug assembly is perpendicular to the movement direction of the die assembly and the pad assembly. Under the limitation of the guide rail, the third drive rod drives the plug assembly to move linearly. The first to fifth sliding components can all be implemented using rollers or the like to reduce friction loss.

[0076] For example, such as Figures 12 to 14 The diagram illustrates an example where the first and second cam curve rings are positioned on opposite sides of the first turntable 67, and the third cam curve ring is positioned on the second turntable 68. The first cam curve ring drives the third drive rod 65, the second cam curve ring drives the pad assembly, and the third cam curve ring drives the die assembly. Of course, the positions and order of the first, second, and third cam curve rings can be arbitrarily set.

[0077] The first cam curve loop, the second cam curve loop, and the third cam curve loop each include at least a first thread segment, a second thread segment, a third thread segment, a fourth thread segment, and a fifth thread segment that correspond to each other and are connected sequentially. For example... Figures 12 to 15 As shown, in the first thread segment, the position of the plug assembly remains unchanged, while the die assembly and the pad assembly move towards each other to clamp the signal pin on the signal pin blanking hole; in the second thread segment, the position of the plug assembly remains unchanged, while the die assembly and the pad assembly simultaneously move towards the plug assembly to complete the blanking of the signal pin and the cutting of the waste material, and to make the position of the signal pin receiving end of the pad assembly correspond to the position of the plug assembly; in the third thread segment, the positions of the die assembly and the pad assembly remain unchanged, while the plug assembly moves towards the pad assembly to clamp the signal pin on the signal pin receiving end; in the fourth thread segment, the plug assembly first remains unchanged, then the die assembly and the pad assembly simultaneously move away from the plug assembly, and then the plug assembly continues to move towards the pad assembly, completing the pin insertion and resetting, and resetting the die assembly and the pad assembly.

[0078] Preferably, a holding thread segment can be added at the end of the first thread segment L1, after the die assembly and pad assembly clamp the signal pin. This holding thread segment keeps the die assembly, pad assembly, and plug assembly in the same position. The second thread segment L2 can be divided into two segments: a cutting thread segment L21 and a feeding thread segment L22. The cutting thread segment L21 keeps the plug assembly in the same position while the die assembly and pad assembly move down simultaneously to cut the signal pin and excess material. The feeding thread segment L22 keeps the plug assembly in the same position while the die assembly and pad assembly move down simultaneously to transfer the signal pin to the corresponding position on the plug. The moving speed of the cutting thread segment L21 is less than that of the feeding thread segment L22. The synchronous movement of the die assembly and pad assembly to the corresponding position on the plug ensures that the signal pin is effectively placed on the signal pin receiver, preventing the signal pin from being carried away during the upward movement of the die assembly. The fourth thread segment L4 moves the die assembly up to the reset state and holds it, moves the pad assembly down to the reset state and holds it, moves the plug assembly from one side of the pad assembly to the other side to complete the pin insertion, and then retracts it to the reset state.

[0079] In a specific implementation, the driving effects of the first thread segment, the second thread segment, the third thread segment, and the fourth thread segment can be found in [reference needed]. Figure 15 As shown, S1, S2, and S3 represent the displacement curves of the plug assembly, the pad assembly, and the die assembly, respectively. The X-axis represents the time length for completing one pin insertion, and the Y-axis represents the displacement of the die assembly, the pad assembly, and the plug assembly relative to the pin insertion machine in the reset state.

[0080] To achieve status detection of the pin insertion machine, such as Figure 22 As shown, a light-shielding plate 81 and a detection device 82 for detecting the light-shielding plate are provided on the rotating shaft 61. The detection device 82 can be implemented using a miniature photoelectric switch. When the light-shielding plate is placed inside the detection device 82, the detection device 82 outputs a signal, indicating that the plug is in a reset state. When the light-shielding plate is switched from being placed inside the detection device 82 to being placed outside the detection device 82, it indicates that the plug begins to move. When the light-shielding plate is placed inside the detection device 82 again, it indicates that the plug is reset, and one signal needle dropping and insertion cycle is completed. At this time, the next signal needle transmission can be performed.

[0081] Furthermore, in order to achieve intelligent operation, the detection device 82, the driving component of the feeding assembly (i.e., the drive motor 72), the signal control terminal of the driving component, and the signal output terminal of the fiber optic cable for material detection are connected to the controller. The controller controls the operation of the drive motor 72 and the driving component according to the output signals of the detection device 82 and the fiber optic cable for material detection. That is, after completing one signal needle dropping and insertion cycle, the controller controls the feeding assembly to deliver a signal needle to the signal needle dropping hole 41, and then controls the driving component to complete the next signal needle dropping and insertion operation.

[0082] To enhance the stability of the clamping signal pins between the pad assembly and the die assembly, such as Figure 17 , 18 As shown, the pad assembly includes a signal needle holder 21, a movable block 23 for fixing the signal needle holder 21 and slidable along the guide rod, and a second elastic member 24. The second elastic member 24 has a force to push the movable block 23 towards the die assembly. The second elastic member 24 can be implemented using a spring. A groove is provided on the movable block 23, and the other end of the fourth sliding member is placed in the groove on the movable block 23. When the second drive rod 64 rotates, it drives the movable block 23 to move the signal needle holder 21 up and down to achieve the clamping and receiving of the signal needle. With the above-described drive assembly structure, the spring enhances the stability of the pad assembly and the die assembly in clamping the signal needle, while also improving the reliability of the contact between the cam curve ring and the fourth sliding member, and reducing the vibration amplitude generated during the control process. The signal needle holder 21 and the movable block 23 are detachably connected to facilitate the replacement of different signal needle holders 21.

[0083] The pin insertion machine using this solution employs a cam structure composed of two turntables as the drive component. This design is simple, easy to adjust, and easy to maintain. The cutting process is completed by a mold, ensuring cutting quality and guaranteeing mold life.

[0084] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pin insertion machine, characterized in that, include: Material support plate (4), the material support plate is provided with signal needle dropping hole (41) and residual material dropping hole (42). A material conveying assembly for conveying the material onto the material support plate; A die assembly, the die assembly including a pin cutter corresponding to the position of the signal pin blanking hole and a scrap cutter corresponding to the position of the scrap blanking hole; A pad assembly, the pad assembly including a signal pin receiver for receiving the signal pins cut off by the pin cutter; A plug assembly, the plug assembly including a plug for clamping a signal pin on the signal pin receiver to insert the signal pin into a base; A driving component is used to drive the die assembly and the pad assembly to move along a guide rod and drive the plug assembly to move in a direction perpendicular to the guide rod to realize the operations of signal needle cutting, signal needle clamping and signal needle insertion into the base; The signal needle connector (21) is provided with at least one protrusion (22) for placement between two adjacent needle tips of the signal needle. The plug (31) includes at least two pairs of clamping tabs (32), with two adjacent pairs of clamping tabs positioned on either side of a protrusion (22); The pad assembly includes a signal pin connector (21), a movable block (23) for fixing the signal pin connector (21) and which can slide along the guide rod, and a second elastic element (24). The second elastic element (24) has a force that pushes the moving block (23) toward the die assembly; The driving component includes: One rotating shaft (61). A drive mechanism (62) for driving the rotating shaft (61) to rotate. A turntable assembly, wherein the turntable assembly is fixed on the rotating shaft and the turntable assembly is provided with a first cam curve ring, a second cam curve ring, and a third cam curve ring. A first drive rod (63) is provided with a rotating shaft, and both ends of the first drive rod (63) can rotate around the rotating shaft. One end of the first drive rod (63) is provided with a first sliding component that slides on the first cam curve ring, and the other end is provided with a second sliding component that can move along the slide groove on the die assembly. A second drive rod (64) is provided with a rotating shaft, and both ends of the second drive rod (64) can rotate around the rotating shaft. One end of the second drive rod (64) is provided with a third sliding component that slides on the second cam curve ring, and the other end is provided with a fourth sliding component that can move along the slide groove on the pad assembly. A third drive rod (65) is placed on a guide rail (66). One end of the third drive rod (65) is provided with a fifth sliding component that is slidably placed on the third cam curve ring, and the other end is fixed to the plug assembly.

2. The pin insertion machine according to claim 1, characterized in that: The die assembly includes a stamping template (11), a stripper plate (12), a material positioning component (13) disposed on the stripper plate (12), a signal needle cutting component (14), a surplus material cutting component (15), a first elastic component (16), and a limiting rod (17). The signal needle cutter (14) and the scrap cutter (15) are fixed at one end on the stamping template (11) and placed at the other end in the cutting hole on the unloading plate (12); The limiting rod (17) is connected between the stamping template (11) and the unloading plate (12), and the stamping template (11) or the unloading plate (12) can slide along the limiting rod within a certain length distance; The first elastic element (16) is placed between the stamping template (11) and the unloading plate (12) and pushes them to move away from each other.

3. The pin insertion machine according to claim 1, characterized in that, The pad assembly is also provided with a residual material collection cylinder (25) corresponding to the position of the residual material drop hole (42).

4. The pin insertion machine according to claim 1, characterized in that: The turntable assembly includes a first turntable (67) and a second turntable (68), and any two of the first cam curve ring, the second cam curve ring and the third cam curve ring are respectively disposed on both sides of the first turntable (67).

5. A pin insertion machine according to claim 1, characterized in that: The first cam curve loop, the second cam curve loop, and the third cam curve loop include a first thread segment, a second thread segment, a third thread segment, a fourth thread segment, and a fifth thread segment that correspond to each other and are connected in sequence. The first thread segment keeps the position of the plug assembly unchanged, while the punching die assembly and the pad assembly move toward each other to clamp the signal pin on the signal pin drop hole. The second thread segment keeps the position of the plug assembly unchanged, while the die assembly and the pad assembly move simultaneously toward the plug assembly to complete the unloading of the signal pin and the cutting of the scrap, and make the position of the signal pin receiving end of the pad assembly correspond to the position of the plug assembly. The third thread segment keeps the positions of the die assembly and the pad assembly unchanged, while the plug assembly moves toward the pad assembly to clamp the signal pin on the signal pin receiver. The fourth thread segment causes the plug assembly to remain in a fixed position first, and then the punching die assembly and the pad assembly move away from the plug assembly simultaneously. After that, the plug assembly continues to move towards the pad assembly, and after the pin insertion is completed, it is reset and the punching die assembly and the pad assembly are reset.

6. The pin insertion machine according to claim 1, characterized in that: The rotating shaft (61) is provided with a light-shielding plate (81) and a detection device (82) for detecting the light-shielding plate.

Citation Information

Patent Citations

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