CN215745795U - Forming tool suitable for copper strip sheet metal part - Google Patents
Forming tool suitable for copper strip sheet metal part Download PDFInfo
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- CN215745795U CN215745795U CN202021935684.1U CN202021935684U CN215745795U CN 215745795 U CN215745795 U CN 215745795U CN 202021935684 U CN202021935684 U CN 202021935684U CN 215745795 U CN215745795 U CN 215745795U
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Abstract
The embodiment of the utility model discloses a forming tool suitable for a copper strip sheet metal part, wherein a punching die comprises: the male die component, the female die and the male and female dies; the outside of the male die and the female die is sequentially nested with a male die clamp, a female die clamp, a spring pressing piece and a stripper plate, and the stripper plate is provided with a plurality of fixed material stop pins; the male die assembly comprises a knockout nested in the female die and a male die clamp fixedly connected with the upper frame plate together with the female die; punching the parts through a convex-concave matching structure of the material beater and the convex-concave die; the punching die is a special punching tool arranged according to the size of a part unfolded strip, so that when the forming tool punches the strip in the convex-concave die through the knockout, two or more processes are simultaneously completed by one stroke of the press machine. The embodiment of the utility model solves the problems that the existing processing mode is difficult to ensure the aperture and the hole site of parts, and the sizes of copper strip parts are easy to be out of tolerance, so that the parts are scrapped in batches, parts are influenced, and potential safety hazards exist.
Description
Technical Field
The application relates to but not limited to the technical field of part processing, and particularly relates to a forming tool suitable for a copper strip sheet metal part.
Background
The existing appearance manufacturing method of sheet metal and copper strip parts is the appearance processing of a numerical control milling machine. The copper belt raw materials are narrow in width and difficult to firmly fix on a milling machine, and in the process of manufacturing the appearance by adopting the milling machine, the apertures and hole sites of the copper belt parts are difficult to guarantee due to the vibration of the milling cutter, and the sizes of the copper belt parts are extremely easy to be out of tolerance, so that the copper belt parts are scrapped in batches, parts are affected, and potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the embodiment of the utility model provides a forming tool suitable for a copper strip type sheet metal part, and aims to solve the problems that in the existing method for machining a copper strip type part, the copper strip type part is scrapped in batches due to the difficulty in ensuring the aperture and the hole site of the copper strip type part and the extreme mismatching of the size of the copper strip type part, the assembling of machine parts is influenced, and potential safety hazards exist.
The embodiment of the utility model provides a forming tool suitable for a copper strip sheet metal part, which comprises: the punching die with the composite structure comprises a die frame 1, a convex-concave die clamp 2, a stripper plate 3, an upper backing plate 8, a process plate 9, a lower backing plate 10, a top plate 11, an elastic piece 12, a striking rod 14 and a plurality of fixed stop pins 20 of a top rod 15;
the die carrier 1 comprises upper and lower frame plates and a support frame body for supporting the upper and lower frame plates, a lower backing plate 10 is arranged on the lower frame plate, a process plate 9 and an upper backing plate 8 are sequentially connected to the bottom of the upper frame plate, and a knock-off rod 14 penetrates through a middle through hole of the upper frame plate and is connected with a top plate 11 which is embedded in the process plate 9;
the punching die of the composite structure comprises: the punching die comprises a male die component and a female die 5 for punching and a male die 4 for blanking, wherein a blanking groove of the male die 4 is matched with the structure of a blanking end of a blanking device 6;
the male and female dies 4 are fixedly connected with the lower frame plate, the male and female die clamps 2, the elastic pressing piece 12 and the stripper plate 3 are sequentially nested outside the male and female dies 4, the stripper plate 3 is positioned at the blanking position of the male and female dies 4, and the stripper plate 3 is provided with a plurality of fixed material stop pins 20 for limiting the position of a strip material in the male and female dies 4;
the male die assembly comprises a knockout 6 nested in the female die 5 and a male die clamp 7 which is arranged on the non-knockout side of the knockout 6 and is fixedly connected with the upper frame plate together with the female die 5; a mandril 15 arranged between the top plate 11 and the knockout 6 is sequentially connected with the top plate 11, the upper backing plate 8, the male die clamp 7 and the knockout 6, and the punching position of the knockout 6 is fixed through a female die 5 nested outside the knockout 6; the material beating end of the material beating device 6 is arranged opposite to the blanking groove of the convex-concave die 4, and the parts are punched through the convex-concave matching structure of the material beating device 6 and the convex-concave die 4;
the shape structure of the punching die is a special punching tool arranged according to the size of a part unfolded strip, so that when the forming tool punches the strip in the male die and the female die 4 through the material beater 6, two or more processes are simultaneously completed by one stroke of the press machine.
Optionally, in the forming tool suitable for the copper strip-type sheet metal part as described above, the male die assembly further includes: the punching male die 13 is nested in the material feeder 6, and the punching end of the punching male die 13 protrudes out of the material feeding end of the material feeder 6.
Optionally, in the forming tool suitable for the copper strip sheet metal part as described above, the punching male die 13 is used for performing punching operation on a part;
and the number, shape and position of the punching male dies 13 in the male die assembly are determined according to the number, shape and position of the holes of the part to be manufactured.
Optionally, in the forming tool suitable for the copper strip sheet metal part as described above,
the punching die with the composite structure is provided with double cutting edges, and the material beating device 6 is used as a female die for punching and a male die for blanking; and the male die and the female die 4 are used as female dies for blanking.
Optionally, in the forming tool suitable for the copper strip-type sheet metal part, the punching die of the composite structure is a flip-chip composite die, and the installation manner of the punching die is as follows: the male and female dies 4 are fixedly connected with the lower frame plate, and the female die 5, the male die clamp 7 and the knockout 6 are assembled at the lower part of the upper frame plate.
Optionally, in the forming tool suitable for the copper strip-type sheet metal part, the punching die of the composite structure is a forward-installed composite die, and the installation manner of the punching die is replaced by: the male and female dies 4 are fixedly connected with the upper frame plate, and the female die 5, the male die clamp 7 and the knockout 6 are assembled on the upper part of the lower frame plate.
Optionally, in the forming tool suitable for the copper strip-type sheet metal part, the end face of the female die 5 is provided with a plurality of groove regions, and the groove regions are arranged at corresponding positions of the fixed stop pin 20.
The forming tool suitable for the copper strip sheet metal parts, provided by the embodiment of the utility model, is used as a punching die of a composite structure of a main punching tool, and is provided with a punch-die in a composite form besides a conventional punch-die and a conventional die, wherein the punching die is provided with double cutting edges, and on one hand, the knockout 6 is used as a punch-die and a blanking punch-die; on the other hand, the punch-die 4 is used as a blanking die, and the specific structure of the punching die is a special punching tool designed according to the external dimension of the part. The forming tool provided by the embodiment of the utility model is arranged on a punching machine, the prepared unfolded strip material is used for punching the appearance of the part, and after punching, the problem that the hole diameter and the hole position of the part are out of tolerance in the existing punching processing mode can be effectively avoided. Compared with the traditional machining method, the forming tool provided by the embodiment of the utility model has the advantages that the yield can be increased from 50% to 98%, the production period is shortened by 70%, the edge and surface quality of the part is good, and the skill requirement on an operator can be reduced from a technician level to an intermediate level.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the example serve to explain the principles of the utility model and not to limit the utility model.
Fig. 1 is a schematic structural diagram of a forming tool suitable for a copper strip sheet metal part according to an embodiment of the present invention;
fig. 2 is a schematic perspective structure view of a forming tool suitable for a copper strip sheet metal part provided in the embodiment shown in fig. 1;
fig. 3 and 4 are top views of forming tools suitable for copper strip sheet metal parts provided by the embodiment shown in fig. 1;
FIG. 5 is a cross-sectional view of section line B-B in FIG. 3;
fig. 6 is a schematic diagram of a part sample shooting diagram in the forming tool suitable for the copper strip sheet metal part provided by the embodiment of the utility model;
fig. 7 is a schematic view of another part pattern in the forming tool suitable for the copper strip sheet metal part according to the embodiment of the present invention;
fig. 8 is a schematic view of a forming tool suitable for copper strip sheet metal parts provided by the embodiment shown in fig. 1 for placing a strip.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be noted that the embodiments and features of the embodiments in the present application may be arbitrarily combined with each other without conflict.
The following specific embodiments of the present invention may be combined, and the same or similar concepts or processes may not be described in detail in some embodiments.
Fig. 1 is a schematic structural diagram of a forming tool suitable for a copper strip-type sheet metal part according to an embodiment of the present invention, fig. 2 is a schematic perspective structural diagram of the forming tool suitable for the copper strip-type sheet metal part according to the embodiment shown in fig. 1, fig. 3 and 4 are top views of the forming tool suitable for the copper strip-type sheet metal part according to the embodiment shown in fig. 1, and fig. 5 is a cross-sectional view of a section line B-B in fig. 3. Referring to the forming tool shown in fig. 1 to 5, the forming tool suitable for the copper strip sheet metal part provided in this embodiment may include: the punching die with the composite structure comprises a die frame 1, a convex-concave die clamp 2, a stripper plate 3, an upper backing plate 8, a process plate 9, a lower backing plate 10, a top plate 11, an elastic piece 12, a striking rod 14 and a plurality of fixed stop pins 20 of a top rod 15.
As shown in fig. 1 to 5, in the structure of the forming tool suitable for the copper strip sheet metal part provided in the embodiment of the present invention, the punching mold of the composite structure is a main knockout component of the forming tool, and the punching mold of the composite structure includes: the punching die comprises a male die component and a female die 5 for punching and a male die 4 for blanking, and a blanking groove of the male die 4 is matched with the structure of a blanking end of a blanking device 6.
In one implementation manner of the embodiment of the utility model, the punch-die 4 is fixedly connected with the lower frame plate, for example, the punch-die 4 and the lower backing plate 10 are fixedly connected with the lower frame plate through the hexagon socket head cap screw 17, the male-female die holder 2, the elastic pressing member 12 and the stripper plate 3 are nested outside the punch-die 4 in sequence, the stripper plate 3 is located at the blanking position of the punch-die 4, and the stripper plate 3 is provided with a plurality of fixed stop pins 20 for limiting the position of the strip material in the punch-die 4.
In practical application, the male-female die clamp 2 and the lower backing plate 10 are fixedly connected with the lower frame plate through the hexagon socket head cap screws 18, the discharging plate 3, the elastic pressing piece 12, the male-female die clamp 2 and the lower backing plate 10 are connected to the lower frame plate through the discharging screws 16, and discharging can be carried out by removing the discharging screws 16 after the part is beaten.
The male die assembly in the embodiment of the utility model comprises a knockout 6 nested in a female die 5 and a male die clamp 7 which is arranged on the non-knockout side of the knockout 6 and is fixedly connected with an upper frame plate together with the female die 5; the ejector rod 15 is arranged between the top plate 11 and the knockout 6 and is used for sequentially connecting the top plate 11, the upper backing plate 8, the male die clamp 7 and the knockout 6 and fixing the punching position of the knockout 6 through the female die 5 nested outside the knockout 6; and the material beating end of the material beating device 6 is arranged opposite to the blanking groove of the convex-concave die 4, and the part is punched through the convex-concave matching structure of the material beating device 6 and the convex-concave die 4.
In the embodiment of the utility model, the outline structure of the punching die is a special punching tool arranged according to the size of a part unfolded strip, so that when the forming tool punches the strip in the punch-die 4 through the material beater 6, two or more working procedures can be simultaneously completed by utilizing one stroke of the press machine.
It should be noted that the stamping die in the forming tool provided by the embodiment of the present invention is a special stamping tool designed according to the external dimensions of the part, that is, the external dimensions of the part and the structure of the forming tool are in a corresponding relationship, and usually, the developed dimensions of the part can be obtained according to a part model, and the dimensions of a layout drawing of the tool are designed based on the developed dimensions of the part, so as to determine the dimensions of the developed strip of the part; the structure of the punching die is designed according to the size of the part unfolded strip. Fig. 6 is a schematic diagram of a part pattern in the forming tool for the copper strip-type sheet metal part according to the embodiment of the present invention, and fig. 7 is a schematic diagram of another part pattern in the forming tool for the copper strip-type sheet metal part according to the embodiment of the present invention.
The forming tool in the embodiment of the utility model is arranged on a punching machine, and in the process of punching the appearance of a part by using a prepared unfolded strip material, the placing mode of the unfolded strip material is shown in fig. 8, in order to adopt the forming tool suitable for copper belt sheet metal parts provided by the embodiment shown in fig. 1 to place the strip material, a, b and c in fig. 8 are all fixed stop pins, and the unfolded strip material is limited in the blanking grooves of the punch-die 4 by the fixed stop pins.
Optionally, the male die assembly in the embodiment of the present invention further includes: the punching male die 13 is nested in the material beating device 6, and the punching end of the punching male die 13 protrudes out of the material beating end of the material beating device 6.
The punching die provided by the embodiment of the utility model adopts the specially configured punching male die 13 to punch the parts with punching requirements; punching is required to punch the part in the pattern shown in fig. 6.
In practical application, the number, shape and position of the punching punches 13 in the punch assembly in the embodiment of the present invention are determined according to the number, shape and position of the holes of the part to be manufactured.
In practical application, the upper side frame plate, the process plate 9, the upper backing plate 8, the male die clamp 7 and the female die 5 are fixedly connected in sequence through the inner hexagon screws 19; the punching male die 13 is embedded in the male die clamp 7 and the knockout 6 and has the function of connecting the male die clamp 7 and the knockout 6. When the forming tool provided by the embodiment of the utility model punches a part, punching pressure applied by the punching rod 14 is transmitted to the knockout 6 through the top plate 11 and the ejector rod 15, so that punching of a cutting edge (outer cutting edge) is realized; on the other hand, the punching of the other edge (inner edge) is performed by being transferred to the piercing punch 13 through the top plate 11 and the upper shim plate 8.
The end face of the female die 5 in the embodiment of the utility model is provided with a plurality of groove areas, the groove areas are arranged at corresponding positions of the fixed material blocking pin 20, namely, an avoiding structure is arranged at corresponding positions of the end face matched with the fixed material blocking pin 20 on the female die 5.
In addition, the female die 5 in the embodiment of the utility model is internally embedded with a knockout 6, namely, the knockout 6 is equivalent to a male die, the lower surface of the knockout 6 is matched with a blanking groove of the male die 4, and a punching male die 7 is embedded in the knockout 6 and used for punching parts and is arranged corresponding to the number and the shape of holes.
The forming tool suitable for the copper strip sheet metal parts, provided by the embodiment of the utility model, is used as a punching die of a composite structure of a main punching tool, and is provided with a punch-die in a composite form besides a conventional punch-die and a conventional die, wherein the punching die is provided with double cutting edges, and on one hand, the knockout 6 is used as a punch-die and a blanking punch-die; on the other hand, the punch-die 4 is used as a blanking die, and the specific structure of the punching die is a special punching tool designed according to the external dimension of the part. The forming tool provided by the embodiment of the utility model is arranged on a punching machine, the prepared unfolded strip material is used for punching the appearance of the part, and after punching, the problem that the hole diameter and the hole position of the part are out of tolerance in the existing punching processing mode can be effectively avoided. Compared with the traditional machining method, the forming tool provided by the embodiment of the utility model has the advantages that the yield can be increased from 50% to 98%, the production period is shortened by 70%, the edge and surface quality of the part is good, and the skill requirement on an operator can be reduced from a technician level to an intermediate level.
It should be noted that, in the punching mold of the composite structure in the embodiment of the present invention, the punching mold can be divided into a forward mounting type, also called a forward mounting type, and a reverse mounting type composite mold according to the mounting positions of the punch-die 4 and the die 4.
In an implementation manner of the embodiment of the present invention, the stamping die of the composite structure is an inverted composite die, and the installation manner of the stamping die is as follows: the punch and die 4 is fixedly connected with the lower frame plate, and the die 5, the punch clamp 7 and the knockout 6 are assembled at the lower part of the upper frame plate, as shown in the structure of fig. 1 and 2.
In another implementation manner of the embodiment of the utility model, the punching die of the composite structure is a positive-loading composite die, and the installation manner of the punching die is replaced by: the male die and the female die 4 are fixedly connected with the upper frame plate, and the female die 5, the male die clamp 7 and the knockout 6 are assembled on the upper part of the lower frame plate.
The punching die in the embodiment of the utility model is provided with an inner punching cutting edge and an outer punching cutting edge, and the wall thickness of the cutting edges depends on the actual size of a punched part. When designing the forming tool of the embodiment of the utility model, the problems of the form and the structure of the cutting edge, the wall thickness of the opening of the female die 5 and the strength are generally considered.
In addition, each mold clamp in the embodiment of the present invention: the device is used for fixing the male die and the female die in the middle-sized and small-sized dies.
The die carrier in the embodiment of the utility model is as follows: the punching die is a carrier for bearing the whole forming tool parts, and standard parts are designed or selected mainly according to the basic shape, the installation mode, the using equipment and the requirement of convenient operation of a punching part.
The discharge device in the embodiment of the utility model: the device is used for discharging waste materials and excess materials hooped on the outer side of a female die or extruded in an inner hole of the female die after blanking is finished, and has two forms of elasticity and rigidity. Spring discharge devices are the most common form of blanking die.
The fixing stop pin in the embodiment of the utility model comprises: is a pin that will determine the feed distance in the feed direction.
The following specifically describes an implementation manner of punching a part by using the forming tool suitable for the copper strip sheet metal part provided by the embodiment of the utility model.
step 3, placing and fixing the lower strip material according to the position of the fixed material stop pin; the part blank is strip-shaped, namely a strip material, and the size is given according to the actual size of the designed tool;
and 4, operating a press machine to punch and blank the appearance of the part.
And 5, repeatedly carrying out 3-4 actions in a reciprocating manner, and punching and blanking the shapes of a large number of parts.
Although the embodiments of the present invention have been described above, the above description is only for the convenience of understanding the present invention, and is not intended to limit the present invention. It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (7)
1. The utility model provides a take shape frock suitable for copper strips class sheet metal component which characterized in that includes: the punching die is of a composite structure, and comprises a die frame (1), a convex-concave die clamp (2), a stripper plate (3), an upper backing plate (8), a process plate (9), a lower backing plate (10), a top plate (11), an elastic piece (12), a knock-off rod (14) and an ejector rod (15), and a plurality of fixed material blocking pins (20);
the die carrier (1) comprises upper and lower side frame plates and a support frame body for supporting the upper and lower side frame plates, a lower backing plate (10) is arranged on the lower side frame plate, a process plate (9) and an upper backing plate (8) are sequentially connected to the bottom of the upper side frame plate, and a knock-off rod (14) penetrates through a middle through hole of the upper side frame plate and is connected with a top plate (11) which is embedded in the process plate (9);
the punching die of the composite structure comprises: the punching die comprises a male die component and a female die (5) for punching and a male die and a female die (4) for blanking, wherein a blanking groove of the male die and the female die (4) is matched with the structure of a blanking end of a blanking device (6);
the blanking device comprises a male die and a female die (4), wherein the male die and the female die (4) are fixedly connected with a lower frame plate, a male die clamp (2), an elastic part (12) and a stripper plate (3) are sequentially nested outside the male die and the female die (4), the stripper plate (3) is positioned at the blanking position of the male die and the female die (4), and a plurality of fixed material stop pins (20) are arranged on the stripper plate (3) and used for limiting the position of a strip material in the male die and the female die (4);
the male die assembly comprises a material beating device (6) nested in the female die (5) and a male die clamp (7) which is arranged on the non-material beating side of the material beating device (6) and is fixedly connected with the female die (5) on the frame plate on the upper side; a mandril (15) arranged between the top plate (11) and the knockout (6) is sequentially connected with the top plate (11), the upper backing plate (8), the convex die clamp (7) and the knockout (6), and the punching position of the knockout (6) is fixed through a concave die (5) nested outside the knockout (6); the material beating end of the material beating device (6) is arranged opposite to the blanking groove of the convex-concave die (4), and parts are punched through the convex-concave matching structure of the material beating device (6) and the convex-concave die (4);
the shape structure of the punching die is a special punching tool arranged according to the size of a part unfolded strip, so that when the forming tool punches the strip in the male die and the female die (4) through the material beating device (6), two or more working procedures are completed simultaneously by one stroke of the press machine.
2. The forming tool suitable for the copper strip sheet metal parts according to claim 1, wherein the male die assembly further comprises: the punching male die (13) is nested in the material beating device (6), and the punching end of the punching male die (13) protrudes out of the material beating end of the material beating device (6).
3. The forming tool suitable for the copper strip sheet metal parts according to claim 2, wherein the punching male die (13) is used for punching a part;
and the number, the shape and the position of the punching male dies (13) in the male die component are determined according to the number, the shape and the position of the holes of the part to be manufactured.
4. A forming tool suitable for copper strip sheet metal parts according to claim 3,
the punching die with the composite structure is provided with double cutting edges, and the material beating device (6) is used as a female die for punching and a male die for blanking; and the male die and the female die (4) are used as female dies for blanking.
5. The forming tool suitable for the copper strip sheet metal parts according to any one of claims 1 to 4, wherein the punching die of the composite structure is a flip-chip composite die, and the installation mode of the punching die is as follows: the convex-concave die (4) is fixedly connected with the lower side frame plate, and the concave die (5), the convex die clamp (7) and the knockout (6) are assembled on the lower portion of the upper side frame plate.
6. The forming tool suitable for the copper strip sheet metal parts according to any one of claims 1 to 4, wherein the punching die of the composite structure is a forward-installation type composite die, and the installation mode of the punching die is replaced by: the convex-concave die (4) is fixedly connected with the upper side frame plate, and the concave die (5), the convex die clamp (7) and the knockout (6) are assembled on the upper portion of the lower side frame plate.
7. The forming tool suitable for the copper strip sheet metal parts according to any one of claims 1 to 4, wherein a plurality of groove areas are arranged on the end face of the female die (5), and the groove areas are arranged at corresponding positions of the fixed stop pin (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935684.1U CN215745795U (en) | 2020-09-07 | 2020-09-07 | Forming tool suitable for copper strip sheet metal part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021935684.1U CN215745795U (en) | 2020-09-07 | 2020-09-07 | Forming tool suitable for copper strip sheet metal part |
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| Publication Number | Publication Date |
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| CN215745795U true CN215745795U (en) | 2022-02-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021935684.1U Active CN215745795U (en) | 2020-09-07 | 2020-09-07 | Forming tool suitable for copper strip sheet metal part |
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| CN (1) | CN215745795U (en) |
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2020
- 2020-09-07 CN CN202021935684.1U patent/CN215745795U/en active Active
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