Stamping die for side-cut forming teeth at head of terminal

Abstract

The utility model discloses a stamping die for terminal head side cutting forming teeth, which comprises an upper die and a lower die, the lower die comprises a lower die sliding block seat, a lower die leading-in block and a lower die insert slotting tool, and a lower die sliding block insert capable of elastically resetting is horizontally and slidably arranged on the lower die sliding block seat. The lower die sliding block insert and the lower die insert slotting tool are matched through a wedge-shaped face, a mounting cavity is formed in the lower die sliding block insert, a lower die side cutter capable of being elastically reset is horizontally and slidably arranged in the mounting cavity, the lower die side cutter makes contact with the lower die side cutting slotting tool through the wedge-shaped face, and the lower die side cutting slotting tool and the lower die insert slotting tool are both matched with the upper die to do lifting motion. The lower die sliding block insert core is further provided with a limiting hole communicated with the mounting cavity, and the axial direction of the limiting hole is the same as the sliding direction of the lower die sliding block insert core and is perpendicular to the sliding direction of the lower die side cutter. According to the device, the head of the terminal is fed and discharged through the reciprocating motion of the lower die sliding block insert, and the lower die side cutter is combined to perform side cutting operation to form teeth.

Description

Technical Field

[0001] The utility model relates to the technical field of improved design of a terminal local tooth forming device, in particular to a stamping die for side-cutting forming teeth on a terminal head. Background Art

[0002] With the popularity of hardware mold types, various hardware products emerge in an endless stream. In the processing process, when encountering products with teeth on the cylindrical head of the terminal, the conventional mode of tangent and side slider collision is usually used to complete the shape of the teeth, such as Figure 6 The disadvantage of the slider hitting the teeth is that it is easy for the material to expand to the side, such as Figure 7 The enlarged diagram of the circle A in the figure causes the terminal product size to be unable to be within the tolerance, so we often receive complaints from customers.

[0003] In the prior art, patent publication number CN101246999A discloses a wire clamping seat of a wire terminal seat and a method for processing the teeth thereof, which includes a tooth stamping step and a convex tooth stamping step. The wire clamp seat includes: a hollow clamp coil and an inner conductive sheet; a through-hole is formed through the front and back of the clamp coil, and one or more lower teeth are formed on the inner bottom surface of the through-hole, and the top ends of the lower teeth are flush with the inner bottom surface, and at least one convex tooth is formed on the inner bottom surface, and the top end of the convex tooth is much higher than the inner bottom surface, wherein the convex tooth is formed by punching the outer bottom surface of the clamp coil by a stamping die so that the convex tooth protrudes from the relative inner bottom surface; the inner conductive sheet is passed through the through-hole of the clamp coil, and one or more upper teeth corresponding to the lower teeth are formed on the inner top surface, and the bottom ends of the upper teeth are flush with the inner top surface; the convex teeth of the clamp coil can bite into the end of the wire, and when further coordinated with the bite of the upper and lower teeth, the end of the wire can be firmly clamped in the wire clamp seat.

[0004] In the above-mentioned technical solution, the teeth of the clamping base are formed by punching the inner bottom surface of the hollow clamping coil of the clamping base and the inner top surface of an inner conductive plate through a first stamping die to form one or more lower teeth and one or more upper teeth, respectively. The first stamping die forms a row of at least one first punched teeth on the stamping surfaces of the inner bottom surface of the clamping coil and the inner top surface of the inner conductive plate. Since the stamping operation is performed on the surface of the workpiece, the teeth can be formed by blanking away excess waste material. This is not applicable to the formation of teeth on the cylindrical head of the terminal.

[0005] In order to solve one of the above problems, the present application provides a stamping die for side-cutting forming teeth on the terminal head. Utility Model Content

[0006] The purpose of the utility model is to solve the problems existing in the prior art, and a stamping die for side cutting and forming teeth of the terminal head is proposed. The terminal head is loaded and unloaded by the reciprocating motion of the lower die slider, and the side cutting operation is performed in combination with the lower die side cutter to form the teeth.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a stamping die for side cutting forming teeth of a terminal head, comprising an upper die and a lower die, the lower die comprising a lower die slider seat, a lower die guide block and a lower die insert knife. When the die is opened and closed, the upper die pushes the lower die insert knife to move up and down along the lower die guide block toward the lower die slider seat. The lower die slider seat is horizontally slidably provided with a lower die slider insert that can be elastically reset, and the lower die slider insert and the lower die insert knife are matched with a wedge surface. The lower die slider insert is provided with an installation cavity, and an elastically reset lower die side cutting knife is horizontally slidably provided in the installation cavity. The lower die side cutting knife contacts the lower die side cutting knife through the wedge surface. The lower die side cutting knife and the lower die insert knife both cooperate with the upper die to move up and down, and the lower die slider insert is also provided with a limiting hole connected to the installation cavity. The axial direction of the limiting hole is the same as the sliding direction of the lower die slider insert and is perpendicular to the sliding direction of the lower die side cutting knife.

[0008] Furthermore, the lower die as described above further comprises a lower die fixing seat and a stripping fixing seat arranged in cooperation with each other, an introduction port is provided between the lower die fixing seat and the stripping fixing seat, and the terminal head is accommodated in the introduction port.

[0009] Furthermore, the introduction port is aligned with the limiting hole as described above, and the lower mold slider moves horizontally back and forth to allow the limiting hole to accommodate the terminal head, so that the terminal head can be fixed and inserted into the limiting hole to perform side cutting and forming tooth operations.

[0010] Furthermore, the lower mold as described above also includes a lower mold fixing seat, and the upper mold is also connected to a stripping fixing seat. When opening and closing the mold, the stripping fixing seat can be opened to strip the terminal head or closed to clamp the terminal head in the introduction port.

[0011] Furthermore, the lower die side cutter as described above includes a T-block and a blade, the upper portion of the T-block is processed with a first inclined surface, and one side of the T-block is provided with a blade, which is used for side cutting and the main body of the blade can discharge waste.

[0012] Furthermore, the installation cavity as described above includes a first cavity and a second cavity, the first cavity accommodates the T-block, the second cavity passes through the lower mold slider and is connected to the limiting hole, the blade is accommodated in the second cavity, and the blade slides along the second cavity to perform side cutting forming teeth on the terminal head and discharge the side cutting waste outward.

[0013] Furthermore, the lower die slider insert as described above is processed with a second accommodating cavity on the side of the installation cavity, and a third accommodating cavity is processed on one side of the T-block. The second accommodating cavity and the third accommodating cavity are arranged opposite to each other and are installed with a second spring. The elastic force of the second spring pushes the blade away from the limiting hole, that is, the lower die side cutting knife can be elastically reset when it is separated from the lower die side cutting knife.

[0014] Furthermore, a T-slot is processed on the lower die slider seat as described above, the lower die slider insert is slidably installed in the T-slot, a second inclined surface is processed on the upper part of the lower die slider insert, and the lower die guide block is arranged opposite to the T-slot, which plays a guiding role for the lower die insert knife and also plays a limiting role for the lower die slider insert.

[0015] Furthermore, the lower die side cutting knife as described above is processed with a third inclined surface, and the third inclined surface cooperates with the first inclined surface to convert the lifting linear motion of the lower die side cutting knife into the horizontal linear motion of the lower die side cutting knife; the lower die inserter knife is processed with a fourth inclined surface, and the fourth inclined surface cooperates with the second inclined surface to convert the lifting linear motion of the lower die inserter knife into the horizontal linear motion of the lower die slider inserter.

[0016] Furthermore, a first accommodating cavity is processed on the side of the lower die slider insert as described above, and a first spring is installed in the first accommodating cavity. One end of the first spring is in the lower die to push the lower die slider insert away from the lower die fixed seat, that is, the lower die slider insert can be elastically reset when it is separated from the lower die insert knife; a pin hole is also processed on one side of the lower die slider insert, and a pin is inserted in the pin hole. The pin is also inserted in the baffle, and the baffle reciprocates with the lower die slider insert.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: the device enables loading and unloading of the terminal head by the linear reciprocating motion of the lower die slider, and combines the linear motion of the lower die side cutter to perform side cutting operation on the terminal head to form teeth and reset them.

[0018] It should be noted that the action of the lower die inserter must match the feeding time, and the lower die inserter must not contact the lower die slider inserter when the stamping die is opened 3mm, so that the terminal head can pass smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the mold closing state of the present utility model;

[0020] Figure 2 This is a schematic diagram of the mold opening state of the utility model;

[0021] Figure 3 This is an explosion diagram of the utility model;

[0022] Figure 4This is a three-dimensional diagram of the lower die slider insert of the utility model;

[0023] Figure 5 This is a three-dimensional diagram of the lower die side cutter of the utility model;

[0024] Figure 6 This is a schematic diagram of the mold before improvement;

[0025] Figure 7 for Figure 6 Enlarged schematic diagram of point A in the middle.

[0026] In the figure: 1. Lower die guide block; 2. Lower die insert knife; 3. Lower die side cutting knife; 4. Lower die slider seat; 5. Lower die slider insert; 50. Mounting cavity; 51. First accommodating hole; 52. Second accommodating hole; 53. Pin hole; 55. Limiting hole; 6. Lower die side cutting knife; 60. Blade; 7. Lower die fixing seat; 8. Stripping fixing seat; 9. Latch; 10. Baffle; 11. First spring; 12. Second spring. DETAILED DESCRIPTION

[0027] In the description of this utility model, it should be understood that the terms "upper," "lower," "front," "back," "left," "right," "top," "bottom," "inner," and "outer," etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed, or operate in a specific direction. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0028] In the description of the present utility model, it should be noted that, unless otherwise expressly specified and limited, the terms "fixed", "installed", "connected", "set", etc. should be understood in a broad sense. For example, when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "installed on" another element, it can be directly on the other element or there can be an intermediate element. When an element is considered to be "connected" to another element, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, or it can be a communication between the two elements.

[0029] For those skilled in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0031] Example 1

[0032] Reference Figure 1-5 As shown, the utility model is a stamping die for side-cutting forming teeth of terminal heads. The basic components of the stamping die include an upper die and a lower die. The lower die includes a lower die slider seat 4, a lower die guide block 1 and a lower die insert knife 2. When opening and closing the die, the upper die pushes the lower die insert knife 2 to move up and down along the lower die guide block 1 toward the lower die slider seat 4. Specifically, the lower die slider seat 4 is horizontally slidably provided with an elastically resettable lower die slider insert 5. The lower die slider insert 5 and the lower die insert knife 2 are matched through a wedge surface, that is, the lifting movement of the lower die insert knife 2 can be converted into a horizontal linear motion of the lower die slider insert 5. Combined with its elastically reset design, the lower die slider insert 5 can achieve horizontal linear motion. Reciprocating linear motion, a mounting cavity 50 is provided on the lower die slider insert 5, and a lower die side cutter 6 that can be elastically reset is provided for horizontal sliding movement in the mounting cavity 50. The lower die side cutter 6 contacts the lower die side cutting insert 3 through the wedge surface, that is, the lifting and lowering motion of the lower die side cutting insert 3 can be converted into the horizontal linear motion of the lower die side cutter 6. Combined with its elastic reset design, the lower die side cutter 6 can realize horizontal reciprocating linear motion. The lower die side cutting insert 3 and the lower die insert insert 2 both cooperate with the upper die to move up and down. The lower die slider insert 5 is also provided with a limiting hole 55 connected to the mounting cavity 50. The axial direction of the limiting hole 55 is the same as the sliding direction of the lower die slider insert 5 and is perpendicular to the sliding direction of the lower die side cutter 6.

[0033] The limiting hole 55 is set so that when the lower die slider insert 5 moves linearly, the limiting hole 55 can move toward the terminal head and accommodate it for the limit, so that the lower die side cutter 6 can move linearly in the radial direction of the terminal head to side cut the forming teeth, and then the lower die side cutter 6 retreats and resets away from the limiting hole 55, and then the lower die slider insert 5 is reset away from the terminal head, and finally the terminal head performs the next step of material removal operation, and the above operations are repeated to perform continuous side cutting forming tooth processing.

[0034] Example 2

[0035] Reference Figure 1-5As shown, based on the technical solution of embodiment 1, a stamping die for side-cutting and forming teeth of the terminal head is provided, wherein the lower die further comprises a lower die fixing seat 7 and a stripping fixing seat 8 which are arranged in cooperation with each other in the upper and lower parts, and a semicircular groove is respectively provided on the lower die fixing seat 7 and the stripping fixing seat 8, and the two semicircular grooves are aligned up and down to form an introduction port, in which the terminal head is accommodated, and is used to clamp and fix the terminal head after loading. Specifically, the introduction port is aligned with the limiting hole 55, and the lower die slider 5 reciprocates horizontally so that the limiting hole 55 accommodates the terminal head, so that the terminal head can be fixed and can be extended into the limiting hole 55 to perform the side-cutting and forming tooth operation. In addition, the lower die further comprises a lower die fixing seat 7, and the upper die is also connected to the stripping fixing seat 8. When the die is opened and closed, the stripping fixing seat 8 can be opened to strip the terminal head or closed to clamp the terminal head in the introduction port.

[0036] Furthermore, the lower die side cutter 6 includes a T-shaped block and a blade 60. The upper portion of the T-shaped block is processed with a first inclined surface, and a blade 60 is provided on one side of the T-shaped block. The blade 60 is used for side cutting and the main body of the blade 60 can discharge waste. Among them, the installation cavity 50 includes a first cavity and a second cavity. The first cavity accommodates the T-shaped block. The second cavity passes through the lower die slider 5 and is connected to the limiting hole 55. The blade 60 is accommodated in the second cavity. The blade 60 slides along the second cavity to perform side cutting and forming tooth operations on the terminal head and discharge side cutting waste outwards. The second cavity is designed to be through-type. Figure 4 Furthermore, the lower die slider insert 5 has a second accommodating cavity machined on the side of the mounting cavity 50, and a third accommodating cavity machined on one side of the T-block. The second and third accommodating cavities are disposed opposite each other and are equipped with a second spring 12. The elastic force of the second spring 12 pushes the blade 60 away from the limiting hole 55, allowing the lower die side cutter 6 to elastically return to its original position when disengaged from the lower die side cutter insert 3.

[0037] Example 3

[0038] Reference Figure 1-5 As shown, based on the technical solution of embodiment 1, a stamping die for side-cutting forming teeth of the terminal head is provided, wherein the lower die slider seat 4 is processed with a T-slot, the lower die slider insert 5 is slidably installed in the T-slot, the upper part of the lower die slider insert 5 is processed with a second inclined surface, and the lower die guide block 1 is arranged relative to the T-slot, which plays a guiding role for the lower die insert blade 2 and at the same time plays a limiting role for the lower die slider insert 5.

[0039] Furthermore, the lower die side cutting knife 3 is processed with a third inclined surface, and the third inclined surface cooperates with the first inclined surface to convert the lifting linear motion of the lower die side cutting knife 3 into the horizontal linear motion of the lower die side cutting knife 6; the lower die insert knife 2 is processed with a fourth inclined surface, and the fourth inclined surface cooperates with the second inclined surface to convert the lifting linear motion of the lower die insert knife 2 into the horizontal linear motion of the lower die slider insert 5.

[0040] Furthermore, a first accommodating cavity is processed on the side of the lower die slider insert 5, and a first spring 11 is installed in the first accommodating cavity. One end of the first spring 11 is in the lower die to push the lower die slider insert 5 away from the lower die fixed seat 7, that is, the lower die slider insert 5 can be elastically reset when it is separated from the lower die insert insert 2; a pin hole 53 is also processed on one side of the lower die slider insert 5, and a latch 9 is inserted in the pin hole 53. The latch 9 is also inserted in the baffle 10, and the baffle 10 reciprocates with the lower die slider insert 5.

[0041] The main action process and design considerations of the device of the present invention are as follows: First, the lifting action of the lower die insert knife 2 must match the feeding time, and the lower die insert knife 2 must not contact the lower die slider insert 5 when the stamping die is opened 3mm, so that the terminal can be fed smoothly; second, the lower die side cutter 6 should be made of ASP23 material as much as possible, which has better hardness and the parts will not be easily worn, so as to ensure long-term production; third, the lower die slider insert 5 should also be made of ASP23 material as much as possible, which has better hardness, and the lead-in port and limit hole 55 for clamping the terminal must be polished to avoid damaging the outer surface.

[0042] In the device of the present invention, the assembly and matching relationship of the various components of the stamping die are involved, and the materials of the mold opening and closing actions, springs and other components are selected from existing technologies or materials. The relevant technical personnel can directly purchase or customize them from the market according to the required product models and specifications.

[0043] The above description is only a preferred specific embodiment of the present invention. Common knowledge such as the specific structure and characteristics of the scheme is not described in detail here. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above embodiment, and the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. Any person skilled in the art who is familiar with the technical field can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention within the technical scope disclosed by the present invention, and they should be covered by the scope of protection of the present invention.

Claims

1. A stamping die for forming teeth on the side cutting of a terminal head, comprising an upper die and a lower die, wherein the lower die comprises a lower die slider seat (4), a lower die guide block (1) and a lower die insert blade (2); when the die is opened or closed, the upper die pushes the lower die insert blade (2) to move upward and downward along the lower die guide block (1) toward the lower die slider seat (4), wherein the stamping die is characterized in that: The lower die slider seat (4) is provided with a lower die slider insert (5) that can be elastically reset and slides horizontally. The lower die slider insert (5) and the lower die insert insert knife (2) are matched through a wedge surface. The lower die slider insert (5) is provided with a mounting cavity (50). A lower die side cutter (6) that can be elastically reset and slides horizontally in the mounting cavity (50). The lower die side cutter (6) contacts the lower die side cutter (3) through the wedge surface. The lower die side cutter (3) and the lower die insert insert knife (2) are both matched with the upper die and move up and down. The lower die slider insert (5) is also provided with a limiting hole (55) connected to the mounting cavity (50). The axial direction of the limiting hole (55) is the same as the sliding direction of the lower die slider insert (5) and is perpendicular to the sliding direction of the lower die side cutter (6).

2. A stamping die for forming teeth on the side cutting of the terminal head according to claim 1, characterized in that: The lower die also includes a lower die fixing seat (7) and a stripping fixing seat (8) arranged in cooperation with each other. An introduction port is provided between the lower die fixing seat (7) and the stripping fixing seat (8), and the terminal head is accommodated in the introduction port.

3. A stamping die for forming teeth on the side cutting of the terminal head according to claim 2, characterized in that: The introduction port is aligned with the limiting hole (55), and the lower die slider (5) moves horizontally back and forth so that the limiting hole (55) accommodates the terminal head.

4. A stamping die for forming teeth on the side cutting of a terminal head according to claim 3, characterized in that: The lower die also includes a lower die fixing seat (7), and the upper die is also connected to a stripping fixing seat (8).

5. A stamping die for forming teeth on the side cutting of a terminal head according to claim 1, characterized in that: The lower die side cutter (6) comprises a T-shaped block and a blade (60); the upper portion of the T-shaped block is processed with a first inclined surface, and one side of the T-shaped block is provided with a blade (60).

6. A stamping die for forming teeth on the side cutting of a terminal head according to claim 5, characterized in that: The installation cavity (50) comprises a first cavity and a second cavity, the first cavity accommodates the T-shaped block, the second cavity passes through the lower mold slider insert (5) and is connected to the limiting hole (55), and the blade (60) is accommodated in the second cavity.

7. A stamping die for forming teeth on the side cut of a terminal head according to claim 6, characterized in that: The lower die slider insert (5) is processed with a second accommodating cavity on the side of the installation cavity (50), and a third accommodating cavity is processed on one side of the T-block. The second accommodating cavity and the third accommodating cavity are arranged opposite to each other and are installed with a second spring (12).

8. A stamping die for forming teeth on the side cut of a terminal head according to claim 7, characterized in that: The lower die slider seat (4) is processed with a T-shaped groove, the lower die slider insert (5) is slidably installed in the T-shaped groove, the upper part of the lower die slider insert (5) is processed with a second inclined surface, and the lower die guide block (1) is arranged opposite to the T-shaped groove.

9. A stamping die for forming teeth on the side cut of a terminal head according to claim 8, characterized in that: The lower die side cutting insert (3) is processed with a third bevel, which matches the first bevel; the lower die insert insert (2) is processed with a fourth bevel, which matches the second bevel.

10. A stamping die for forming side-cut teeth on a terminal head according to any one of claims 1 to 9, characterized in that: A first accommodating cavity is processed on the side of the lower die slider insert (5), and a first spring (11) is installed in the first accommodating cavity; a pin hole (53) is also processed on one side of the lower die slider insert (5), and a latch (9) is inserted in the pin hole (53), and the latch (9) is also inserted in the baffle (10).

Images