A connector production assisting device having terminals and a method of use

Abstract

The application relates to a connector production auxiliary device with terminals and a use method, which comprises a sleeve insert, a sliding block and a clamping insert. The sleeve insert is provided with a through slot, and the opening of the through slot is located at the port of the first end. The inner wall of the through slot is provided with internal threads matched with the external threads of a screw rod. The length direction of the sliding block is consistent with that of the sleeve insert. The sliding block is provided with a first slot and a second slot, and the second slot is connected with the first slot. The first slot is used for accommodating the sleeve insert. The clamping insert is used for clamping the second end of the sleeve insert. When clamping, the clamping insert is at least partially located in the second slot of the sliding block. The sleeve insert is screwed on the screw rod, and the terminals can be sealed and fixed. The sleeve insert can be fixed through the sliding block, so that the sleeve insert and the terminals cannot be tightly combined on the non-glue injection surface. The clamping insert is arranged to limit the movement of the sleeve insert in the sliding block, so that the perpendicularity of the terminals is ensured, and the plastic cannot overflow to the non-glue injection surface of the terminals during glue injection.

Description

Technical Field

[0001] This invention belongs to the field of industrial equipment, and specifically relates to a connector production auxiliary device with terminals and a method of using it. Background Technology

[0002] Currently, when manufacturing a connector with terminals, after the terminals are riveted, one side of the terminal (the side with the bolt head) cannot have a support hole to support the terminal. The other side of the terminal (where the bolt thread extends a certain distance beyond the terminal) is closed by a slider. However, the terminal will wobble within the mold, causing it to protrude from the assembly surface, resulting in burrs or plastic overlay. Furthermore, the terminal's position cannot be effectively positioned. If plastic overflows onto the terminal surface (bolt side), it can cause assembly failure, affecting product performance and quality. This type of connector, such as an automotive power connector, is a core component of the 48V mild hybrid system in new energy vehicles, making connector quality extremely important. Summary of the Invention

[0003] The purpose of this invention is to provide an improved auxiliary device and method for manufacturing connectors with terminals, in order to solve the problems of existing terminal positioning and assembly failure caused by plastic overflow onto the terminal surface that cannot be glued.

[0004] To achieve the above objectives, the present invention employs the following technical solution:

[0005] A connector manufacturing auxiliary device with terminals for fixing riveted terminals, wherein one end of a bolt passes through the terminal and is located on one side of the terminal, the device comprising:

[0006] A dental brace insert having a first end and a second end that are far apart from each other, the dental brace insert having a through groove extending along its length, the opening of the through groove being located at the port of the first end, and the inner wall of the through groove having an internal thread that mates with the external thread of the screw.

[0007] The slider is aligned with the length of the dental prosthesis. The slider has a first groove extending along its length. The slider has a second groove with an outward opening on one side of the first groove, and the second groove is connected to the first groove. The first groove is used to accommodate the dental prosthesis.

[0008] A snap-fit ​​insert is used to snap onto the second end of the brace insert, wherein when snapped onto, the snap-fit ​​insert is at least partially located within the second groove of the slider.

[0009] Preferably, the snap-fit ​​insert includes a main body and a snap-fit ​​portion located below the main body, wherein the bottom end of the snap-fit ​​portion has an arc-shaped groove that mates with the dental brace insert.

[0010] Preferably, the dental insert has a groove along its outer circumference at the second end position, and the bottom end of the snap-fit ​​part can be inserted into the groove.

[0011] Preferably, the snap-fit ​​portion has a left end face and a right end face, the front end face and the rear end face are arranged in the left-right direction, the right end face of the snap-fit ​​portion abuts against one side of the groove, and both the right end face of the snap-fit ​​portion and one side of the groove are inclined surfaces.

[0012] Preferably, in the working state, the second end of the brace insert abuts against the bottom wall of the first groove of the slider.

[0013] Preferably, the dental insert is cylindrical.

[0014] Preferably, two braces are provided, with one braces being located above the other; two sliders are provided, with one slider being located above the other; and two snap-fit ​​inserts are provided, with one snap-fit ​​insert having an L-shaped space in its main body and the other snap-fit ​​insert located within the L-shaped space of the snap-fit ​​insert.

[0015] Preferably, the device further includes a first driving component, which is connected to the snap-fit ​​insert for driving the snap-fit ​​insert to move in the vertical direction.

[0016] Preferably, the device further includes a second driving component, which is connected to the slider for driving the slider to move in the horizontal direction.

[0017] Another technical solution adopted in this invention is:

[0018] A method of using the connector manufacturing auxiliary device with terminals includes: placing the riveted terminals into a mold, first screwing the toothed insert onto the screw, then moving the slider closer until the toothed insert is located in the first groove of the slider, and then snapping the snap-fit ​​insert with the second end of the toothed insert.

[0019] Due to the application of the above technical solutions, the present invention has the following advantages compared with the prior art: The present invention uses a dental insert screwed onto the outside of the screw to seal and fix the terminal; the dental insert can be fixed by a slider to ensure that the dental insert and the non-insulated surface of the terminal are tightly fitted together, preventing the dental insert from shaking; the snap-fit ​​insert further restricts the movement of the dental insert within the slider, and the non-insulated surface of the terminal is tightly wrapped by the dental insert, so that no plastic overflows onto the non-insulated surface of the terminal during injection, thus both positioning the terminal and ensuring the perpendicularity of the terminal. Attached Figure Description

[0020] Appendix Figure 1 This is a structural diagram of the connector manufacturing auxiliary device with terminals according to Example 1;

[0021] Appendix Figure 2 This is a top view of the connector manufacturing auxiliary device with terminals according to Example 1;

[0022] Appendix Figure 3 for Figure 2 Cross-sectional view along the AA direction;

[0023] Appendix Figure 4 This is a structural diagram of the slider in Example 1 from a first-view perspective;

[0024] Appendix Figure 5 This is a structural diagram of the slider in Example 1 from a second perspective;

[0025] Appendix Figure 6 This is a structural diagram of the dental insert of Example 1 mounted on the screw;

[0026] Appendix Figure 7 This is a structural diagram from a first-view perspective of the dental brace insert and snap-fit ​​insert of Example 1;

[0027] Appendix Figure 8 This is a structural diagram from a second perspective of the dental brace insert and snap-fit ​​insert of Example 1;

[0028] Appendix Figure 9 This is a structural diagram of the dental brace fitting in Example 1;

[0029] Appendix Figure 10 This is a structural diagram of the snap-fit ​​insert from a first-view perspective in Example 1;

[0030] Appendix Figure 11 This is a structural diagram of the snap-fit ​​insert from a second perspective in Example 1;

[0031] Appendix Figure 12 This is a cross-sectional view of the snap-fit ​​insert of Example 1;

[0032] Appendix Figure 13 This is a structural diagram of the terminal in Example 1;

[0033] Appendix Figure 14 This is a structural diagram of the injection mold for Example 1;

[0034] Appendix Figure 15 This is a structural diagram of the dental brace insert and snap-fit ​​insert in Example 2;

[0035] Appendix Figure 16 This is a structural diagram of the connector manufacturing auxiliary device with terminals according to Example 2;

[0036] Appendix Figure 17 This is a structural diagram of the connector manufacturing auxiliary device with terminals according to Example 3;

[0037] Appendix Figure 18This is a structural diagram of the dental brace insert and fixing insert in Example 3;

[0038] Appendix Figure 19 This is a structural diagram of the dental brace insert and snap-fit ​​insert in Example 2.

[0039] In the attached diagrams above:

[0040] 1. Braces fitting; 11. First end; 12. Second end; 13. Middle section; 14. First side surface; 15. Second side surface; 16. Circumferential surface;

[0041] 2. Slider; 21. First groove; 22. Second groove;

[0042] 3. Snap-fit ​​insert; 31. Main body; 311. Bottom surface of the main body; 32. Arc groove; 33. Left end face; 34. Right end face; 35. Bottom surface of the snap-fit ​​part;

[0043] 4. Terminals; 41. Annular surface; 42. Surface not suitable for applying adhesive;

[0044] 5. Screw; 6. Mold; 7. Fixing insert. Detailed Implementation

[0045] The present invention will be further described below with reference to the embodiments shown in the accompanying drawings.

[0046] In one embodiment of the present invention, one end of the bolt's shank passes through the terminal and is located on one side of the terminal (referred to as the right side). During production, the side of the terminal with the shank cannot be glued, as glue leakage from this side needs to be prevented during glue application. The bolt head is located on the other side of the terminal (referred to as the left side). The other side of the terminal with the bolt head needs to be glued but is unsupported. During glue application, the terminal may shift (e.g., to the left or right), making it impossible to guarantee the terminal's perpendicularity and position.

[0047] See Figures 1 to 19 The connector manufacturing auxiliary device shown includes a terminal insert 1, a snap-fit ​​insert 3, and a slider 2. Specifically:

[0048] The axial direction of the insert 1 is aligned with that of the screw 5. The insert 1 has a first end 11 and a second end 12 that are far apart from each other. The second end 12 is farther away from the terminal than the first end 11. A through groove extending along the length of the insert 1 is provided at the position of the first end 11. The through groove does not penetrate both ends of the insert 1. The inner wall of the through groove has an internal thread that mates with the external thread of the screw 5, allowing the insert 1 to be screwed tightly onto the screw 5. The through groove of the insert 1 can cover the portion of the terminal that cannot be glued. For example, if the first end face of the insert 1 is in contact with the side of the terminal with the screw, it prevents the side of the terminal with the screw from being exposed, thus serving to seal and fix the terminal.

[0049] When the dental brace insert 1 is screwed onto the screw 5, a slider 2 is used to fix the insert 1 in place to limit its movement. The slider 2 is parallel to the length of the insert 1 and is cuboid in shape. The slider 2 has opposing upper and lower sides, opposing left and right sides, and opposing front and rear sides. In the glue-filling operation, the left side of the slider 2 is opposite to the terminal. A first groove 21 extending along the length of the slider 2 is provided. The opening of the first groove 21 is located on the left side of the slider 2, facing the dental brace clamp. The inner contour of the first groove 21 matches the outer contour of the insert 1, and the first groove 21 is used to accommodate the insert 1. A second groove 22 with an outward opening is formed on one side of the first groove 21, and the second groove 22 is connected to the first groove 21. After the insert 1 is screwed onto the screw 5, the opening of the first groove 21 of the slider 2 faces the insert 1 and can move horizontally toward the insert 1, so that the insert 1 enters the first groove 21. The slider 2 can fix the insert 1, ensuring that the vertical surface of the terminal and the insert 1 are tightly fitted, preventing the insert 1 from shaking and failing to cover the vertical surface of the terminal.

[0050] Furthermore, in the glue injection working state, the dental insert 1 is located in the first groove 21 of the slider 2, and the second end 12 of the dental insert 1 abuts against the bottom wall of the first groove 21 of the slider 2, which can restrict the movement of the dental insert 1 in the slider 2.

[0051] To further secure the dental brace insert 1, a snap-fit ​​insert 3 is provided in this example. In the glue-filling operation state, the dental brace insert 1 is located within the first groove 21 of the slider 2, and the second end 12 of the dental brace insert 1 abuts against the bottom wall of the first groove 21 of the slider 2. The snap-fit ​​insert 3 is at least partially located within the second groove 22 of the slider 2, engaging with the second end 12 of the dental brace insert 1, applying a lateral force to the right (away from the terminal) to the dental brace insert 1. This force is applied to the second end 12 of the dental brace insert 1 and the first groove 22 of the slider 2. When the bottom walls of slot 21 are in contact, during glue injection, the left side of the terminal is unsupported (leaving space for glue injection), and the dental insert 1 and the terminal are very likely to move to the left. When the snap-fit ​​insert 3 snaps into the second end 12 of the dental insert 1, it can restrict the dental insert 1 and the terminal from moving to the left. In this way, the vertical surface of the terminal that cannot be glued is tightly wrapped by the dental insert 1, and no plastic will overflow onto the vertical surface of the terminal that cannot be glued during glue injection. At the same time, it prevents the terminal from shifting, ensuring the verticality of the terminal and the position of the terminal.

[0052] In this example, the snap-fit ​​insert 3 includes a main body 31 and a snap-fit ​​portion located below the main body 31. The bottom end of the snap-fit ​​portion has an arc-shaped groove 32 that mates with the dental brace insert 1, allowing the snap-fit ​​insert 3 to snap tightly into the dental brace insert 1. The main body 31 may be rectangular.

[0053] Referring to the figure, the dental brace insert 1 is cylindrical. A groove is provided along its outer circumference at the second end 12 of the dental brace insert 1. The groove has a first side 14 and a second side 15 arranged opposite each other, and an annular circumferential surface 16 connecting the first side 14 and the second side 15. The first side 14 is close to the first end 11 of the dental brace insert 1, and the second side 15 is close to the second end 12 of the dental brace insert 1. The bottom end of the locking part can be inserted into the groove, allowing for a good locking of the dental brace insert 1.

[0054] The snap-fit ​​part of the snap-fit ​​insert 3 has a left end face 33 and a right end face 34. The left end face 33 and the right end face 34 are arranged in the left-right direction (the left-right direction is consistent with the length direction of the slider 2). The arc-shaped groove 32 at the bottom of the snap-fit ​​part abuts against the annular circumferential surface 16. The right end face 34 of the snap-fit ​​part abuts against one side of the groove. Both the right end face 34 of the snap-fit ​​part and the side of the groove (the second side 15) are inclined surfaces. The inclined surface extends upward from its lower end to its upper end in the direction away from the terminal. The inclined surface plays a guiding role and provides a good force to the dental insert 1 in the rearward direction, preventing the dental insert 1 from moving along its axial direction.

[0055] In this example, the left end face 33 of the snap-fit ​​part can be a vertical surface. When the snap-fit ​​insert 3 snaps into the dental insert 1, there is a gap between the left end face 33 of the snap-fit ​​part and the first side surface 14 of the groove.

[0056] In this example, the inner contour of the second groove 22 of the slider 2 is adapted to the outer contour of the snap-fit ​​insert 3. For example, the bottom of the second groove 22 of the slider 2 has a first surface, a second surface located below the first surface, and a third surface connecting the first surface and the second surface. The third surface is a slope. When the snap-fit ​​insert 3 is snapped with the dental insert 1, the bottom surface 311 of the main body 31 of the snap-fit ​​insert 3 can abut against the first surface, the right end surface 34 of the snap-fit ​​part can abut against the third surface or have a small gap, and the bottom surface 35 of the snap-fit ​​part has a small gap with the second surface, which better positions the snap-fit ​​insert 3.

[0057] The dental brace insert 1 can move in the vertical direction. The device also includes a first driving component, which is connected to the snap-fit ​​insert 3 to drive the snap-fit ​​insert 3 to move in the vertical direction. The first driving component can be a cylinder, a motor, or a hydraulic cylinder, etc.

[0058] The slider 2 is movable in the horizontal direction. The device also includes a second driving component connected to the slider 2 for driving the slider 2 to move horizontally. Both the first and second driving components are techniques well-known to those skilled in the art and are not shown in the figures.

[0059] This example demonstrates the usage of an auxiliary device for connector production with terminals, as follows: Place the riveted terminals into mold 6. First, tighten the insert 1 onto screw 5. Then, move slider 2 horizontally towards insert 1 until insert 1 is located within the first groove 21 of slider 2. Next, move snap-fit ​​insert 3 downwards to snap into the second end 12 of insert 1. At this point, snap-fit ​​insert 3 is partially located within slider 2. Then, apply adhesive. After adhesive application, remove snap-fit ​​insert 3 first, then remove slider 2. Then, eject insert 1 and the product together. After ejection, manually unscrew the insert to obtain the product.

[0060] For terminals of different shapes and in different positions, the structures of the dental insert 1, slider 2, and snap-fit ​​insert 3 are different, as illustrated in the following examples 1-3.

[0061] Example 1

[0062] See Figure 1-14 The terminal has a boss protruding from one side. The boss has an annular surface 41 and a vertical surface connected to the annular surface 41. One end of the bolt shank 5 passes through the terminal and is located on one side of the terminal. During production, the annular surface 41 of the terminal 4 is filled with glue, but the vertical surface cannot be filled with glue. This vertical surface is the non-glue-filled surface 42.

[0063] In this example, multiple terminals 4 are provided, and the multiple terminals are independently distributed in the horizontal direction.

[0064] Referring to the figure, the dental insert 1 is cylindrical and is divided into a first end 11, a middle section 13, and a second end 12 along its axial direction. The diameter of the dental insert 1 at the first end 11 is larger, which can cover part of the annular surface 41 and the vertical surface of the terminal boss. The diameter of the dental insert 1 at the middle section 13 is smaller, and the diameter of the dental insert 1 at the second end 12 is larger. The diameters of the two parts can be the same. The middle section 13 is set to facilitate better cooperation with the slider 2, so that the slider 2 can better fix the dental insert 1. There is a gap between the first end 11 and the middle section 13, and there is a gap between the middle section 13 and the second end 12. The gap between the middle section 13 and the second end 12 forms a groove. The groove has a first side surface 14 and a second side surface 15 arranged opposite to each other, and an annular circumferential surface 16 connecting the first side surface 14 and the second side surface 15. The first side surface 14 is located at the middle section 13 of the dental insert 1, and the second side surface 15 is located at the second end 12 of the dental insert 1.

[0065] The slot has a first section and a second section that are connected to each other. The first section is located at the first end 11 of the dental insert 1, and the second section is away from the first end 11 of the dental insert 1. The inner contour of the first section of the slot is adapted to the outer contour of the boss. The diameter of the boss gradually narrows from one side of the terminal to the other side. The diameter of the first section of the slot gradually narrows from the first end 11 of the dental insert 1 to the second end 12, so that it can cover the annular surface 41 of the boss. In this way, when the dental insert 1 is tightened outside the screw 5, the first end 11 of the dental insert 1 covers the vertical surface of the terminal boss, preventing the vertical surface of the terminal from being exposed, and playing the role of sealing and fixing the terminal.

[0066] In the glue-injection working state, the annular surface 41 of the boss is exposed. The exposed part of the boss needs to be glued. A gap is maintained between the end of the slider 2 with the first groove 21 and the side of the terminal with the screw 5. The end face of the slider 2 with the first groove 21 is on the same vertical plane as the end face of the first end 11 of the dental insert 1. At this time, the dental insert 1 has completely covered the side of the terminal with the screw 5, which can further prevent plastic from entering the side of the terminal with the screw 5; or the distance between the end of the slider 2 with the first groove 21 and the side of the terminal is less than the distance between the first end 11 of the dental insert 1 and the side of the terminal, that is, the slider 2 extends through the dental insert 1, which can further cover the vertical surface of the terminal, and further prevent plastic from entering the vertical surface of the terminal that cannot be glued.

[0067] Example 2

[0068] Unlike Example 1, the terminal has no boss on the side with the screw 5; this side is a vertical surface, and the portion of this side surrounding the screw 5 is a non-adhesive surface. In this example, multiple terminals are provided, and these terminals are independently distributed in the horizontal direction.

[0069] See Figure 15-16 In the glue injection working state, the first end face of the dental insert 1 is in contact with the non-glue-injecting surface of the terminal, and the first end 11 of the dental insert 1 can wrap the non-glue-injecting surface of the terminal. The end face of the slider 2 with the first groove 21 is in contact with the non-glue-injecting surface of the terminal.

[0070] Example 3

[0071] Unlike Example 1, the terminal has no boss on one side, and the side with the screw 5 is a surface that cannot be glued.

[0072] Unlike Embodiment 2, the two terminals are distributed in the vertical direction, and a slider 2 is provided for the two terminals. Two first grooves 21 are opened on the slider 2, and the two first grooves 21 are distributed in the vertical direction.

[0073] See Figure 17-19 In the glue injection working state, the first end face of the dental insert 1 is in contact with the non-glue-injecting surface of the terminal, and the end face of the slider 2 with the first groove 21 is in contact with the non-glue-injecting surface of the terminal.

[0074] Two clip-on fittings 3 are distributed vertically, namely a first clip-on fitting and a second clip-on fitting. The main body 31 of the first clip-on fitting is L-shaped, and the second clip-on fitting is located within the L-shaped space of the first clip-on fitting, which saves space. The bottom surface 311 of the main body of the first clip-on fitting and the top surface of the main body of the second clip-on fitting can be fitted together for connection. When abutting against the dental prosthesis 1, only the first clip-on fitting needs to be pushed; or the first clip-on fitting and the second clip-on fitting can be driven separately, with the second clip-on fitting driven first and then the first clip-on fitting.

[0075] To further secure the braces insert 1, a fixing insert 7 is provided over the braces insert 1. The fixing insert 7 has a first receiving groove extending along its length. The opening of the first receiving groove is located on the left side of the slider 2, facing the braces clamp. The inner contour of the first receiving groove matches the outer contour of the braces insert 1. The first receiving groove is used to accommodate the braces insert 1. The slider 2 has a second receiving groove with an outward opening on one side of the first receiving groove, and the second receiving groove is connected to the first receiving groove. The second receiving groove is used to accommodate the snap-fit ​​insert 3. The first groove 21 on the slider 2 is used to fix the insert 7, and the second groove 22 on the slider 2 is used to accommodate the snap-fit ​​insert 3.

[0076] The above embodiments are only for illustrating the technical concept and features of the present invention, and are intended to enable those skilled in the art to understand the content of the present invention and implement it accordingly. They should not be construed as limiting the scope of protection of the present invention. All equivalent changes or modifications made in accordance with the spirit and essence of the present invention should be covered within the scope of protection of the present invention.

Claims

1. A connector production assisting device having a terminal for fixing a terminal after riveting, a screw shank of a screw passing through the terminal on one side of the terminal, characterized by, The device comprises: a mouthpiece insert having a first end and a second end away from each other, the mouthpiece insert being provided with a through slot extending along the length direction thereof, the through slot having an opening at the port of the first end, and the inner wall of the through slot being provided with internal threads matched with the external threads of the screw rod; a slider aligned with the length direction of the mouthpiece insert, the slider being provided with a first slot extending along the length direction thereof, the slider being formed with a second slot having an opening facing outward on one side of the first slot, and the second slot being open through between the first slot, the first slot being used for accommodating the mouthpiece insert; a clamping insert used for clamping with the second end of the mouthpiece insert, when clamped, the clamping insert being at least partially located in the second slot of the slider; the clamping insert comprises a main body portion, and a clamping portion located below the main body portion, the bottom end of the clamping portion being provided with an arc-shaped slot matched with the mouthpiece insert; the mouthpiece insert is provided with a groove along the outer periphery thereof at the position of the second end, and the bottom end of the clamping portion can be inserted into the groove; the clamping portion has a left end face and a right end face, the left end face and the right end face being arranged along the left-right direction, the right end face of the clamping portion abutting against one side face of the groove, and the right end face of the clamping portion and the one side face of the groove are both inclined surfaces; two mouthpiece inserts are provided, one of the mouthpiece inserts being located above the other mouthpiece insert, two sliders are provided, one of the sliders being located above the other slider, and two clamping inserts are provided, the main body portion of one of the clamping inserts having an L-shaped space, and the other clamping insert being located in the L-shaped space of the clamping insert.

2. The connector production assisting apparatus with terminals according to claim 1, wherein In the working state, the second end of the mouthpiece insert abuts against the bottom wall of the first slot of the slider.

3. The connector production assisting apparatus with terminals according to Claim 1, wherein The mouthpiece insert is in a columnar shape.

4. The connector production assisting apparatus with terminals according to Claim 1, wherein The device further comprises a first driving component connected with the clamping insert for driving the clamping insert to move in the vertical direction.

5. The connector production assisting apparatus with terminals according to Claim 1, wherein The device further comprises a second driving component connected with the slider for driving the slider to move in the horizontal direction.

6. A method of using the connector production assisting apparatus having terminals according to any one of claims 1 to 5, characterized by, including: placing the riveted terminal into a mold, first screwing the mouthpiece insert on the screw rod, then moving the slider close until the mouthpiece insert is located in the first slot of the slider, and then clamping the clamping insert with the second end of the mouthpiece insert.

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