CN111585143B - Punch forming equipment and punch method for wiring terminal - Google Patents
Punch forming equipment and punch method for wiring terminal Download PDFInfo
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- CN111585143B CN111585143B CN202010467339.8A CN202010467339A CN111585143B CN 111585143 B CN111585143 B CN 111585143B CN 202010467339 A CN202010467339 A CN 202010467339A CN 111585143 B CN111585143 B CN 111585143B
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- stamping
- driving device
- workbench
- punching
- terminal
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
- H01R43/04—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for forming connections by deformation, e.g. crimping tool
- H01R43/048—Crimping apparatus or processes
- H01R43/055—Crimping apparatus or processes with contact member feeding mechanism
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- Manufacturing & Machinery (AREA)
- Punching Or Piercing (AREA)
Abstract
The invention belongs to the technical field of processing of wiring terminals, and particularly relates to a punching forming device and a punching method of a wiring terminal, which comprise a rack, a workbench, a radial punching device and an axial punching device; the upper surface of the workbench is provided with a material limiting groove, one end of the material limiting groove is open, and the other end of the material limiting groove is closed; the radial stamping device comprises a stamping plate and a first driving device, wherein the stamping plate is positioned above the material limiting groove; the axial stamping device comprises a hollow ejector rod, an ejector pin arranged in the ejector rod and a second driving device. The invention forms a stamping die cavity among the radial stamping device, the axial stamping device and the workbench, and the material simultaneously forms the circular tube-shaped wiring terminal and the flat sheet-shaped fixed end in one stamping die cavity without separating the two stamping die cavities for stamping respectively, so that the wiring terminals formed by stamping have consistent shapes and low defective rate.
Description
Technical Field
The invention belongs to the technical field of wiring terminal processing, and particularly relates to a punching forming device and a punching method for a wiring terminal.
Background
The terminal is an accessory product for realizing electrical connection, and is industrially classified into a connector category. As shown in fig. 1, a conventional connection terminal includes a first conductive part 1 'and a second conductive part 2', wherein the first conductive part 1 'is a circular tube having a mounting hole for fixing a wire, and the second conductive part 2' is a flat sheet having a through hole for fixing to an electrical device by a fastening member. The wiring terminal prepared by the prior art is generally formed by stamping copper materials, aluminum materials, copper alloys and copper aluminum alloys. Wherein the first conductive part 1 'and the second conductive part 2' are punched step by step, and the structure formed in the former step is easily deformed in the punching process in the latter step.
Disclosure of Invention
The invention aims to overcome the defects and shortcomings of the prior art and provides a connecting terminal punch forming device and a punching method.
The technical scheme adopted by the invention is as follows: a punch forming device for a wiring terminal comprises a frame, a workbench, a radial punching device and an axial punching device;
the upper surface of the workbench is provided with a material limiting groove, one end of the material limiting groove is open, and the other end of the material limiting groove is closed;
the radial stamping device comprises a stamping plate positioned above the material limiting groove and a first driving device fixed on the rack, wherein the first driving device is connected with the stamping plate and drives the stamping plate to be close to or far away from the workbench;
the axial stamping device comprises a hollow ejector rod, an ejector pin and a second driving device, wherein the hollow ejector rod is positioned on one side, provided with an opening, of the material limiting groove, the ejector pin is arranged in the ejector rod and can slide relative to the ejector rod, the second driving device is fixed on the rack and is connected with the ejector pin and drives the ejector pin to slide axially relative to the ejector rod, and the ejector rod is aligned with the opening of the material limiting groove;
when the first driving device drives the stamping plate to move to the workbench and the second driving device drives the ejector pins to enable the end portions of the ejector pins to be located between the stamping plate and the workbench, the stamping plate, the workbench, the ejector pins and the ejector pins form a stamping die cavity, and the stamping die cavity comprises a tubular die cavity portion formed by the stamping plate, the workbench, the ejector pins and a flat sheet die cavity portion formed by the stamping plate and the workbench.
The stamping plate lower extreme is equipped with the punching post, the workstation corresponds the punching post and is equipped with the discharge opening, and when first drive arrangement drive stamping plate made it remove to the workstation on, the lower tip of punching post was located the discharge opening or passed the discharge opening and is located the discharge opening below, just the post that punches a hole is located flat slice die cavity part.
A first semicircular groove and a square groove are formed in the material limiting groove, and a second semicircular groove and a square pressing block are arranged below the stamping plate; when the first driving device drives the punching plate to move to the workbench, the first semicircular groove and the second semicircular groove are combined to form a circular cavity, the square pressing block is positioned in the square groove, and the bottom of the square pressing block and the bottom of the square groove are separated by a certain distance to form a flat sheet-shaped cavity.
The ejector rod is connected with a fourth driving device, the fourth driving device is fixed on the rack, and the fourth driving device drives the ejector rod to axially displace.
The frame is equipped with feed arrangement and blank device, feed arrangement is used for carrying the material to the workstation, blank device is used for cutting off the material that feed arrangement carried for unit length's binding post material, the volume of unit length's binding post material and the volume looks adaptation of punching press die cavity.
The cutting device comprises a cutting tool perpendicular to the table top of the workbench and a third driving device fixed on the rack, the cutting tool is located on one side of the workbench, which is provided with an opening, and the third driving device drives the cutting tool to move up and down in the vertical direction of the workbench.
The ejector rod is connected with a fourth driving device, the fourth driving device is fixed on the rack, the fourth driving device drives the ejector rod to axially displace to form a first position with an end part positioned at the opening and a second position with a space for a cutting tool to pass through, wherein the second position is formed between the ejector rod and the edge of the workbench with the opening; and a through groove for the ejector rod to move from the second position to the first position is formed in the cutting tool.
The connecting terminal stamping method of the connecting terminal stamping forming equipment comprises the following steps:
firstly, placing a wiring terminal material with the volume matched with that of a stamping die cavity in a material limiting groove, and enabling an ejector rod to prop against one end of the wiring terminal material;
driving the stamping plate to move to the workbench by the first driving device;
driving the thimble by a second driving device to enable the end part of the thimble to be positioned between the punching plate and the workbench;
wherein, the first step is prior to the second step and the third step;
and the third step is carried out simultaneously with the process of contacting the stamping plate with the connecting terminal material in the second step or after the second step is finished.
The connecting terminal stamping method of the connecting terminal stamping forming equipment comprises the following steps:
firstly, placing a wiring terminal material with the volume matched with that of a stamping die cavity in a material limiting groove;
driving the stamping plate to move to the workbench by the first driving device;
driving the thimble by a second driving device to enable the end part of the thimble to be positioned between the punching plate and the workbench;
a fourth driving device drives the ejector rod to enable the end part of the ejector rod to always prop against one end of the wiring terminal material;
wherein, the first step is prior to the second step and the third step;
the third step is carried out simultaneously with the process of the second step after the stamping plate is contacted with the connecting terminal material or after the second step is finished;
wherein, the step (iv) is carried out simultaneously with the process of the step (iii).
The connecting terminal stamping method of the connecting terminal stamping forming equipment comprises the following steps:
placing a wiring terminal pipe with the volume matched with that of the stamping die cavity in a material limiting groove, and enabling a mandril to prop one end of the wiring terminal pipe, wherein the inner diameter of the wiring terminal pipe is larger than or equal to the outer diameter of the thimble;
driving the thimble by a second driving device to enable the end part of the thimble to extend into the connecting terminal pipe;
driving the stamping plate to move onto the workbench by the first driving device;
wherein, the first step, the second step and the third step are carried out in sequence.
The invention has the following beneficial effects: the invention forms a stamping die cavity among the radial stamping device, the axial stamping device and the workbench, and the material simultaneously forms the circular tube-shaped wiring terminal and the flat sheet-shaped fixed end in one stamping die cavity without separating the two stamping die cavities for stamping respectively, so that the wiring terminals formed by stamping have consistent shapes and low defective rate.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is within the scope of the present invention for those skilled in the art to obtain other drawings based on the drawings without inventive exercise.
Fig. 1 is a schematic structural view of a conventional connection terminal;
FIG. 2 is a schematic perspective view of the embodiment 1;
in fig. 3, (a) is a schematic structural view of a punched plate; (b) is a structure diagram of a workbench; (c) is a structural schematic diagram of the matching of the stamping plate and the workbench;
FIG. 4 is a schematic structural diagram of embodiment 2 of the present invention in an initial state;
FIG. 5 is a schematic representation of example 2 of the present invention after feeding and blanking;
fig. 6 is a schematic view of a terminal material placed in a material retaining groove according to embodiment 2 of the present invention;
fig. 7 is a schematic view of a connecting terminal material punched and formed in a material limiting groove according to embodiment 2 of the present invention;
FIG. 8 is a schematic structural view of a blanking apparatus in embodiment 2 of the present invention;
in the figure, 1', a first conductive portion; 2', a second conductive portion;
1, a frame; 2, a workbench; 201, material limiting grooves; 202, a discharge hole; 203, a first semicircular slot; 204, a square groove; 205, an opening; 3, a radial stamping device; 301, stamping a plate; 302, a first drive device; 303, punching a hole column; 304, a second semicircular slot; 305, square briquetting; 4, an axial stamping device; 401, a mandril; 402, a thimble; 403, a second drive device; 404, a fourth drive; 5, stamping a die cavity; 601, cutting a cutter; 602, a third drive device; 7, material.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings.
It should be noted that all expressions using "first" and "second" in the embodiments of the present invention are used for distinguishing two entities with the same name but different names or different parameters, and it should be noted that "first" and "second" are merely for convenience of description and should not be construed as limitations of the embodiments of the present invention, which are not described in any more detail in the following embodiments.
The terms of direction and position of the present invention, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to illustrate and understand the present invention and is not intended to limit the scope of the present invention.
Example 1:
as shown in fig. 2-4, a terminal punch forming device comprises a frame 1, a workbench 2, a radial punching device 3 and an axial punching device 4;
a material 7 limiting groove 201 is formed in the upper surface of the workbench 2, one end of the material 7 limiting groove 201 is provided with an opening 205, and the other end of the material 7 limiting groove 201 is closed;
the radial stamping device 3 comprises a stamping plate 301 positioned above the material 7 limiting groove 201 and a first driving device 302 fixed on the rack 1, wherein the first driving device 302 is connected with the stamping plate 301 and drives the stamping plate 301 to be close to the workbench 2 or far away from the workbench 2;
the axial punching device 4 comprises a hollow ejector rod 401 positioned on one side of the material 7 limiting groove 201 provided with the opening 205, an ejector pin 402 arranged in the ejector rod 401 and capable of sliding relative to the ejector rod 401, and a second driving device 403 fixed on the frame 1, wherein the second driving device 403 is connected with the ejector pin 402 and drives the ejector pin 402 to axially slide relative to the ejector rod 401, and the ejector rod 401 is aligned with the opening 205 of the material 7 limiting groove 201;
when the first driving device 302 drives the press plate 301 to move to the table 2 and the second driving device 403 drives the ejector pins 402 to position the end portions of the ejector pins 402 between the press plate 301 and the table 2, the press plate 301, the table 2, the ejector pins 401, and the ejector pins 402 form a press cavity 5, and the press cavity 5 includes a tubular cavity portion formed by the press plate 301, the table 2, the ejector pins 401, and the ejector pins 402, and a flat sheet-like cavity portion formed by the press plate 301 and the table 2.
A punching die cavity is formed among the radial punching device, the axial punching device and the workbench, the material 7 simultaneously forms a circular tube-shaped wiring end and a flat sheet-shaped fixed end in one punching die cavity, two punching die cavities do not need to be separated for punching respectively, the wiring terminals formed by punching are consistent in shape, and the defective rate is low.
The lower end of the stamping plate 301 is provided with a punching column 303, the workbench 2 is provided with a discharge hole 202 corresponding to the punching column 303, when the first driving device 302 drives the stamping plate 301 to move to the workbench 2, the lower end of the punching column 303 is positioned in the discharge hole 202 or passes through the discharge hole 202 to be positioned below the discharge hole 202, and the punching column 303 is positioned at the flat sheet die cavity part. When the first driving device 302 drives the punch plate 301 to move onto the table 2, the punch material 7 forms the material 7 of the corresponding portion into a flat shape, and at the same time, forms a connecting hole for fixing by a fastener.
Specifically, a first semicircular slot 203 and a square slot 204 are arranged in the material 7 limiting slot 201, and a second semicircular slot 304 and a square pressing block 305 are arranged below the punching plate 301; when the first driving device 302 drives the punching plate 301 to move to the workbench 2, the first semicircular slot 203 and the second semicircular slot 304 are combined to form a circular cavity, the square pressing block 305 is positioned in the square groove 204, and the bottom of the square pressing block 305 is separated from the bottom of the square groove 204 by a certain distance to form a flat sheet-shaped cavity. The structure is simpler and more compact.
The ejector rod 401 is connected with a fourth driving device 404, the fourth driving device 404 is fixed on the frame 1, and the fourth driving device 404 drives the ejector rod 401 to move along the axial direction.
Example 2:
compared with the embodiment 1, the feeding device and the cutting device are additionally arranged on the frame 1, the feeding device is used for conveying the material 7 to the workbench 2, the cutting device is used for cutting the material 7 conveyed by the feeding device into the unit length of the connecting terminal material 7, and the volume of the unit length of the connecting terminal material 7 is matched with the volume of the stamping die cavity 5. By arranging the feeding device and the cutting device on the frame 1, automatic feeding can be realized. The material 7 conventionally used for the connecting terminal is a rod material or a pipe material formed by conventional conductive materials such as copper materials, aluminum materials, copper alloys, copper-aluminum alloys and the like, so the feeding device can adopt a rod material feeding device or a pipe material feeding device with a conventional structure, and particularly can adopt a pipe material feeding structure disclosed in CN201920354142.6 and CN 201821637544.9.
The cutting device comprises a cutting tool 601 perpendicular to the table surface of the workbench 2 and a third driving device 602 fixed on the machine frame 1, the cutting tool 601 is located on one side of the workbench 2 provided with the opening 205, and the third driving device 602 drives the cutting tool 601 to move up and down in the vertical direction of the workbench 2.
The feeding device is arranged on one side of the axial stamping device and used for conveying the material 7 to the workbench, the direction of the material 7 is parallel to the ejector rod, and the cutting device is used for further cutting; a moving device can be further arranged for moving the cut material 7 into the material 7 limiting groove 201, and a cylinder pushing mechanism can be specifically arranged for pushing the cut material 7 into the material 7 limiting groove 201.
The ejector rod 401 is connected with a fourth driving device 404, the fourth driving device 404 is fixed on the frame 1, the fourth driving device 404 drives the ejector rod 401 to axially displace to have a first position with an end part positioned at the opening 205 and a second position with a space for the cutting tool 601 to pass through formed between the ejector rod 401 and the edge of the workbench 2 provided with the opening 205; as shown in fig. 8, the cutting tool 601 is provided with a through slot for the push rod 401 to move from the second position to the first position.
Example 3:
a terminal punching method by the terminal punch forming apparatus of embodiment 1 or 2, comprising the steps of:
firstly, placing a connecting terminal material 7 with the volume matched with that of the stamping die cavity 5 in a material 7 limiting groove 201, and enabling an ejector rod 401 to prop against one end of the connecting terminal material 7;
the first driving device 302 drives the punching plate 301 to move to the workbench 2;
thirdly, the second driving device 403 drives the thimble 402 to enable the end part of the thimble 402 to be positioned between the punching plate 301 and the workbench 2;
wherein, the first step is prior to the second step and the third step;
wherein, the third step is carried out simultaneously with the process after the stamping plate 301 contacts the connecting terminal material 7 in the second step or after the second step is finished.
For the equipment of the embodiment 1, the steps of firstly, manual feeding or automatic machine feeding can be adopted, and the steps of secondly, and thirdly, both can be automatically controlled by a PLC.
As for the device of embodiment 2, steps (i), (ii), and (iii) may all be automatically controlled by a PLC, and specifically, as shown in fig. 4-7, in order to perform the terminal stamping process of embodiment 2, fig. 4 shows an initial state of the device, where the material 7 is conveyed onto the worktable 2, fig. 5 shows a state of the device after the blanking device performs blanking, fig. 6 shows a state of the device after the fourth driving device 404 drives the ejector 401 to make the end of the ejector 401 abut against one end of the terminal material 7, fig. 7 shows a state of the device after the first driving device 302 drives the stamping plate 301 to move onto the worktable 2 and the second driving device 403 drives the ejector 402 to make the end of the ejector 402 located between the stamping plate 301 and the worktable 2, at this time, the terminal is formed, then the second driving device 403 drives the ejector 402 to retract in situ, the first driving device drives the stamping plate to retract in situ, the fourth driving device drives the ejector rod to return to the original position, the third driving device 602 drives the cutting tool 601 to return to the original position, and the feeding device feeds materials, and finally the processes are carried out in a circulating mode in the initial state shown in fig. 4.
The connecting terminal material 7 can be a rod material or a pipe material formed by conventional conductive materials such as copper materials, aluminum materials, copper alloys, copper-aluminum alloys and the like. The fact that the volume of the connecting terminal material 7 is matched with the volume of the stamping die cavity 5 means that the volume of the connecting terminal material 7 is equivalent to the volume of the stamping die cavity 5, or the volume of the connecting terminal material 7 is smaller than the volume of the stamping die cavity 5 and the difference value is in a proper range, so that the connecting terminal material 7 can be stamped and formed in the stamping die cavity 5 and the formed connecting terminal meets the product standard, or the volume of the connecting terminal material 7 is larger than the volume of the stamping die cavity 5 and the difference value is in a proper range, so that the connecting terminal material 7 forms a very small amount of flash in the product standard after being formed in the stamping die cavity 5.
This embodiment is suitable for the case where the length of the terminal material 7 does not change significantly during the punching process.
Example 4:
a terminal punching method by the terminal punch forming apparatus of embodiment 1 or 2, comprising the steps of:
placing a connecting terminal material 7 with the volume matched with that of the stamping die cavity 5 in a material 7 limiting groove 201;
the first driving device 302 drives the punching plate 301 to move to the workbench 2;
thirdly, the second driving device 403 drives the thimble 402 to enable the end part of the thimble 402 to be positioned between the punching plate 301 and the workbench 2;
a fourth driving device 404 drives the ejector rod 401 to enable the end part of the ejector rod 401 to always prop against one end of the connecting terminal material 7;
wherein, the first step is prior to the second step and the third step;
the third step is carried out simultaneously with the process that the stamping plate 301 is contacted with the connecting terminal material 7 in the second step or after the second step is finished;
wherein, the step (iv) is carried out simultaneously with the process of the step (iii).
The only difference between this embodiment and embodiment 3 is that step (r) is added, and the setting of step (r) makes this embodiment can be used for the condition that the length of binding post material 7 can change in stamping process, makes the tip of ejector pin 401 withstand binding post material 7 all the time, ensures that binding post material 7 can not lead to the problem that the product shape is different, unable standardized production because of becoming flexible. And fourthly, obtaining relevant driving parameters of the fourth driving device 404 for driving the ejector rod 401 through testing and analyzing the material 7 with the same specification in advance to obtain the length change process of the material 7, and setting and automatically carrying out the operation.
Example 5:
a terminal punching method by the terminal punch forming apparatus of embodiment 1, comprising the steps of:
placing a wiring terminal pipe with the volume matched with that of the stamping die cavity 5 in a material 7 limiting groove 201, and enabling a push rod 401 to push against one end of the wiring terminal material 7, wherein the inner diameter of the wiring terminal pipe is larger than or equal to the outer diameter of the push rod;
secondly, the second driving device 403 drives the thimble 402 to make the end of the thimble 402 extend into the connecting terminal tube;
thirdly, the first driving device 302 drives the punching plate 301 to move to the workbench 2;
wherein, the first step, the second step and the third step are carried out in sequence.
The connecting terminal material 7 used in the embodiment can be a pipe formed by conventional conductive materials such as copper materials, aluminum materials, copper alloys, copper-aluminum alloys and the like. The outside and inside diameters of the tubing may be the same as the inside diameter of the tubular die cavity portion and the outside diameter of ejector pin 402 so that the tubular die cavity portion acts as a fixing for material 7 and does not have a stamping action. It is also possible to make the outer diameter of the tube smaller than the inner diameter of the tubular die cavity part, so that the tubular die cavity part has a fixing effect and a press-shaping effect on the material 7.
For the equipment of the embodiment 1, the steps of firstly, manual feeding or automatic machine feeding can be adopted, and the steps of secondly, and thirdly, both can be automatically controlled by a PLC.
For the device of the embodiment 2, the steps of the first step, the second step and the third step can be automatically controlled by adopting a PLC.
It will be understood by those skilled in the art that all or part of the steps in the method for implementing the above embodiments may be implemented by relevant hardware instructed by a program, and the program may be stored in a computer-readable storage medium, such as ROM/RAM, magnetic disk, optical disk, etc.
The above disclosure is only for the purpose of illustrating the preferred embodiments of the present invention, and it is therefore to be understood that the invention is not limited by the scope of the appended claims.
Claims (10)
1. The utility model provides a binding post stamping forming equipment which characterized in that: comprises a frame (1), a workbench (2), a radial stamping device (3) and an axial stamping device (4);
a material limiting groove (201) is formed in the upper surface of the workbench (2), one end of the material limiting groove (201) is provided with an opening (205), and the other end of the material limiting groove is closed;
the radial stamping device (3) comprises a stamping plate (301) positioned above the material limiting groove (201) and a first driving device (302) fixed on the rack (1), wherein the first driving device (302) is connected with the stamping plate (301) and drives the stamping plate (301) to approach the workbench (2) or be far away from the workbench (2);
the axial stamping device (4) comprises a hollow ejector rod (401) positioned on one side of the material limiting groove (201) provided with an opening (205), an ejector pin (402) which is arranged in the ejector rod (401) and can slide relative to the ejector rod (401), and a second driving device (403) which is fixed on the rack (1), wherein the second driving device (403) is connected with the ejector pin (402) and drives the ejector pin (402) to axially slide relative to the ejector rod (401), and the ejector rod (401) is aligned with the opening (205) of the material limiting groove (201);
when the first driving device (302) drives the stamping plate (301) to move to the workbench (2) and the second driving device (403) drives the ejector pins (402) to enable the end portions of the ejector pins (402) to be located between the stamping plate (301) and the workbench (2), the stamping plate (301), the workbench (2), the ejector pins (401) and the ejector pins (402) form a stamping die cavity (5), and the stamping die cavity (5) comprises a tubular die cavity portion formed by the stamping plate (301), the workbench (2), the ejector pins (401) and the ejector pins (402) and a flat sheet die cavity portion formed by the stamping plate (301) and the workbench (2).
2. The terminal punch forming apparatus according to claim 1, wherein: punching press board (301) lower extreme is equipped with punching post (303), workstation (2) are equipped with discharge opening (202) corresponding punching post (303), when first drive arrangement (302) drive punching press board (301) made it move to workstation (2), the lower tip of punching post (303) is located discharge opening (202) or passes discharge opening (202) and is located discharge opening (202) below, just punching post (303) pass the flat slice die cavity part in punching press die cavity (5).
3. The terminal punch forming apparatus according to claim 1, wherein: a first semicircular groove (203) and a square groove (204) are formed in the material limiting groove (201), and a second semicircular groove (304) and a square pressing block (305) are arranged below the stamping plate (301); when the first driving device (302) drives the punching plate (301) to move to the workbench (2), the first semicircular slot (203) and the second semicircular slot (304) are combined to form a circular cavity, the square pressing block (305) is positioned in the square groove (204), and the bottom of the square pressing block (305) is separated from the bottom of the square groove (204) by a certain distance to form a flat sheet-shaped cavity.
4. The terminal punch forming apparatus according to claim 1, wherein: the ejector rod (401) is connected with a fourth driving device (404), the fourth driving device (404) is fixed on the frame (1), and the fourth driving device (404) drives the ejector rod (401) to move along the axial direction.
5. The terminal punch forming apparatus according to claim 1, wherein: the frame (1) is equipped with feed arrangement and blank device, feed arrangement is used for carrying the material to workstation (2), blank device is used for cutting off the material that feed arrangement carried for the binding post material of unit length, the volume of the binding post material of unit length and the volume looks adaptation of punching press die cavity (5).
6. The terminal punch forming apparatus according to claim 5, wherein: the cutting device comprises a cutting tool (601) perpendicular to the table top of the workbench (2) and a third driving device (602) fixed on the frame (1), wherein the cutting tool (601) is located on one side of the workbench (2) provided with an opening (205), and the third driving device (602) drives the cutting tool (601) to move up and down in the vertical direction of the workbench (2).
7. The terminal punch forming apparatus according to claim 6, wherein: the ejector rod (401) is connected with a fourth driving device (404), the fourth driving device (404) is fixed on the rack (1), the fourth driving device (404) drives the ejector rod (401) to axially displace to form a first position with an end part positioned at the opening (205) and a second position with a distance for a cutting tool (601) to pass through, between the ejector rod (401) and the edge of the workbench (2) provided with the opening (205); and a through groove for the ejector rod (401) to move from the second position to the first position is formed in the cutting tool (601).
8. A terminal punching method by the terminal punch forming apparatus according to any one of claims 1 to 7, characterized by comprising the steps of:
placing a wiring terminal material with the volume matched with that of the stamping die cavity (5) in a material limiting groove (201), and enabling a push rod (401) to push against one end of the wiring terminal material;
a first driving device (302) drives the punching plate (301) to move to the worktable (2);
driving the ejector pin (402) by a second driving device (403) to enable the end part of the ejector pin (402) to be positioned between the punching plate (301) and the workbench (2);
wherein, the first step is prior to the second step and the third step;
wherein, the third step is carried out simultaneously with the process after the stamping plate (301) contacts the connecting terminal material in the second step or after the second step is finished.
9. A terminal punching method by the terminal punch forming apparatus according to claim 4 or 7, characterized by comprising the steps of:
placing a wiring terminal material with the volume matched with that of the stamping die cavity (5) in a material limiting groove (201);
a first driving device (302) drives the punching plate (301) to move to the worktable (2);
driving the ejector pin (402) by a second driving device (403) to enable the end part of the ejector pin (402) to be positioned between the punching plate (301) and the workbench (2);
a fourth driving device (404) drives the ejector rod (401) to enable the end part of the ejector rod (401) to always prop against one end of the connecting terminal material;
wherein, the first step is prior to the second step and the third step;
the third step is carried out simultaneously with the process of the second step after the stamping plate (301) contacts the connecting terminal material or after the second step is finished;
wherein, the step (iv) is carried out simultaneously with the process of the step (iii).
10. A terminal punching method by the terminal punch forming apparatus according to any one of claims 1 to 7, characterized by comprising the steps of:
placing a wiring terminal pipe with the volume matched with that of the stamping die cavity (5) in the material limiting groove (201) to enable the ejector rod (401) to abut against one end of the wiring terminal material, wherein the inner diameter of the wiring terminal pipe is larger than or equal to the outer diameter of the ejector pin;
driving the thimble (402) by a second driving device (403) to enable the end part of the thimble (402) to extend into the connecting terminal pipe;
driving the stamping plate (301) to move to the worktable (2) by a first driving device (302);
wherein, the first step, the second step and the third step are carried out in sequence.
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| CN115084969B (en) * | 2022-08-22 | 2022-10-25 | 兴化市佳辉电力器具有限公司 | Lead ground wire hydraulic pressure press-connection machine |
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| CN111585143A (en) | 2020-08-25 |
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Denomination of invention: A stamping forming equipment and stamping method for wiring terminal Effective date of registration: 20210915 Granted publication date: 20210330 Pledgee: Agricultural Bank of China Limited by Share Ltd. Yueqing branch Pledgor: YONGGU GROUP CORPORATION Co.,Ltd. Registration number: Y2021330001621 |