CN210936668U - Punching die for motor support - Google Patents
Punching die for motor support Download PDFInfo
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- CN210936668U CN210936668U CN201921868462.XU CN201921868462U CN210936668U CN 210936668 U CN210936668 U CN 210936668U CN 201921868462 U CN201921868462 U CN 201921868462U CN 210936668 U CN210936668 U CN 210936668U
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Abstract
The utility model provides a punching die of motor support, through the reasonable design of the depth of the holding groove and the lower die punching stroke spacing and stripping block height, the first punch can not completely punch the plate at the punching position when punching, thereby ensuring the punching precision and simultaneously reducing the noise in the punching process; the elastic element is compressed during stamping through the connection of the lower die stamping stroke limit and the stripping block with the elastic element, and the elastic element pushes out the plate at the punching position upwards through the lower die stamping stroke limit and the stripping block during die opening, so that burrs are reduced, the precision is ensured, and the stripping effect is achieved; through setting up second drift and relief hole, first drift accomplishes die-cut back, thereby the second drift punches panel downwards and can impress the waste material after die-cut into the relief hole and leave required panel, realizes accomplishing die-cut and arrange the material operation successively on a mould.
Description
Technical Field
The utility model relates to a motor parts makes technical field, especially relates to a die-cut mould of motor support.
Background
In parts of automobiles and other mechanical equipment, the proportion of stamped parts is large. The stamping part is a part which is stamped and formed by a stamping machine, welding or bolt connection is not needed, the structural integrity of the part is good, and the production efficiency is high.
At present, motor support is mostly sheet metal parts such as aluminum alloy plate, galvanized steel sheet and punches tensile many times and forms, when making motor support with thicker panel, big noise in the blanking course of working, and the precision after the blanking is not high.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the precision is not high after big and the blanking of noise in the blanking course of working when using thick panel preparation motor support that exists among the prior art, and the die-cut mould of a motor support that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a die-cut mould of motor support for die-cut panel, this die-cut mould include go up the mould subassembly and with last mould subassembly complex lower mould subassembly.
The upper die assembly comprises an upper die plate base plate and an upper die plate, the upper die plate is located below the upper die plate base plate and connected with the upper die plate base plate, a first punch and a second punch are arranged between the upper die plate base plate and the upper die plate, and the second punch is located on one side of the first punch.
The lower die assembly sequentially comprises a lower die plate, a lower die base plate and a lower die base from top to bottom, the lower die plate is arranged below the upper die plate, a containing groove is formed in the lower die plate and located right below the first punch, a lower die stamping stroke limiting and stripping block is arranged in the containing groove, the difference between the depth of the containing groove and the height of the lower die stamping stroke limiting and stripping block is smaller than the thickness of a plate, an elastic element is connected to the lower end of the lower die stamping stroke limiting and stripping block and arranged between the lower die base plate and the lower die base, a through hole is formed in the lower die stamping stroke limiting and stripping block, a moving rod penetrates through the through hole and is arranged between the through hole, the lower die base plate and the lower die base, the lower die stamping stroke limiting and stripping block can be arranged in the containing groove in a vertically moving mode along the moving rod, a discharge hole is formed in the position, When the elastic element is in a free state, the upper surface of the lower die stamping stroke limiting and stripping block and the upper surface of the lower die plate are coplanar or positioned above the upper surface of the lower die plate.
Preferably, the movable rod comprises a limiting part and a connecting part, the limiting part is located above the connecting part and connected with the connecting part, the connecting part is sequentially connected with the lower template, the lower template and the lower die base from top to bottom, the lower surface of the limiting part is in contact with the inner surface of the through hole in the die opening state, and a first distance exists between the lower surface of the limiting part and the inner surface of the through hole in the die cutting and die closing state. Further, the first distance is equal to the difference between the depth of the accommodating groove and the height of the lower die stamping stroke limit and stripping block.
Preferably, the moving rod is an equal-height screw
Preferably, the elastic element is a nitrogen spring.
Preferably, the difference between the depth of the containing groove and the height of the lower die stamping stroke limit and stripping block is 5 per thousand less than the thickness of the plate.
Preferably, the number of through-holes is 2, and 2 through-holes are arranged with regard to the vertical symmetry plane of lower mould punching stroke spacing and stripping block symmetrically.
Preferably, the horizontal sectional area of the lower die stamping stroke limiting and stripping block is smaller than the horizontal sectional area of the accommodating groove.
Preferably, the horizontal sectional area of the lower die stamping stroke limiting and stripping block is not less than the horizontal sectional area of the first punch.
Compared with the prior art, the beneficial effects of the utility model are that: through reasonable design of the depth of the accommodating groove, the limit of the punching stroke of the lower die and the height of the stripping block, the first punch can not completely punch the plate at the punching position during punching, the punching precision is ensured, and the noise in the punching process is reduced; the elastic element is compressed during stamping through the connection of the lower die stamping stroke limit and the stripping block with the elastic element, and the elastic element pushes out the plate at the punching position upwards through the lower die stamping stroke limit and the stripping block during die opening, so that burrs are reduced, the precision is ensured, and the stripping effect is achieved; through the arrangement of the second punch and the discharge hole, after the first punch completes punching, the second punch downwards punches the plate, namely, the punched waste can be pressed into the discharge hole to leave the required plate, so that punching and discharging operations are completed on one die in sequence; through set up the carriage release lever in the through-hole, the guide lower mould punching press stroke is spacing to reciprocate with taking off the material piece to guarantee that lower mould punching press stroke is spacing and takes off material piece can parallel translation, guaranteed the die-cut quality of panel.
Drawings
Fig. 1 is a schematic structural view of a punching die of a motor bracket according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a die cutting and clamping state at A in FIG. 1;
FIG. 3 is a schematic view of the structure of FIG. 1 at the open mold state;
FIG. 4 is a schematic view of the discharge at A in FIG. 1.
Detailed Description
In order to further understand the objects, structures, features and functions of the present invention, the following embodiments are described in detail.
Referring to fig. 1 to 4, the present invention provides a die-cut mold for a motor bracket, which is used for die-cutting a plate, and the die-cut mold includes an upper mold assembly and a lower mold assembly matched with the upper mold assembly.
The upper die assembly comprises an upper die plate backing plate 11 and an upper die plate 12, the upper die plate 12 is located below the upper die plate backing plate 11 and connected with the upper die plate backing plate 11, a first punch 13 and a second punch 14 are arranged between the upper die plate backing plate 11 and the upper die plate 12, and the second punch 14 is located on one side of the first punch 13.
The lower die assembly sequentially comprises a lower die plate 21, a lower die backing plate 22 and a lower die base 23 from top to bottom, the lower die plate 21 is arranged below the upper die plate 12, an accommodating groove 31 is formed in the lower die plate 21, the accommodating groove 31 is positioned right below the first punch 13, a lower die stamping stroke limiting and stripping block 32 is arranged in the accommodating groove 31, the difference between the depth of the accommodating groove 31 and the height of the lower die stamping stroke limiting and stripping block 32 is smaller than the thickness of a plate, an elastic element 33 is connected with the lower end of the lower die stamping stroke limiting and stripping block 32, the elastic element 33 is arranged between the lower die backing plate 22 and the lower die base 23, a through hole 41 is formed in the lower die stamping stroke limiting and stripping block 32, a movable rod 42 penetrates through the through hole 41, the movable rod 42 is arranged among the through hole 41, the lower die backing plate 22 and the lower die base 23, and the lower die stamping stroke limiting, a discharge hole 34 is formed in the lower template 21 and is positioned right below the second punch 14, and the discharge hole 34 sequentially penetrates through the lower template 21, the lower die backing plate 22 and the lower die base 23 from top to bottom. In a preferred embodiment, the moving rod 42 includes a limiting portion 51 and a connecting portion 52, the limiting portion 51 is located above the connecting portion 52 and connected to the connecting portion 52, the connecting portion 52 is sequentially connected to the lower mold plate 21, the lower mold plate 22 and the lower mold base 23 from top to bottom, a lower surface of the limiting portion 51 contacts an inner surface of the through hole 41 in the mold opening state, and a first distance exists between the lower surface of the limiting portion 51 and the inner surface of the through hole 41 in the mold cutting and clamping state. Further, the first distance is equal to the difference between the depth of the accommodating groove and the height of the lower die stamping stroke limit and stripping block.
Referring to fig. 2, in the die-cutting and clamping state, the lower surface of the lower die stamping stroke limiting and stripping block 32 contacts the bottom surface of the accommodating groove 31, the lower surface of the limiting portion 51 is separated from the inner surface of the through hole 41, and the elastic element 33 is in a compressed state.
Referring to fig. 3, in the mold opening state, the upper surface of the lower mold punching stroke limiting and stripping block 32 is coplanar with the upper surface of the accommodating groove 31, and the lower surface of the limiting portion 51 contacts the inner surface of the through hole 41. In practical use, in the state of opening the die, the upper surface of the lower die stamping stroke limiting and stripping block 32 may also be located above the upper surface of the accommodating groove 31, as long as the purpose of separating the plate at the punching position from the plate 100 is achieved.
Referring to fig. 4, during discharging, the second punch 14 pushes the sheet material 100 downward to press the punched waste material into the discharge hole 34 to leave the desired sheet material.
It is worth explaining, the utility model discloses a only show the process of the required panel of die-cut motor housing in the drawing, in the in-service use, can accomplish the die-cut of the required panel of different motor housings simultaneously under the compound die state and arrange the material operation, improve die-cut efficiency.
Preferably, the moving rod 42 is a screw with equal height to ensure that the lower die stamping stroke limit and the stripper block 32 can move in parallel.
Preferably, the elastic member 33 is a nitrogen spring to improve the smoothness of the operation of the punching die.
Preferably, the difference between the depth of the accommodating groove 31 and the height of the lower die stamping stroke limit and stripping block 32 is 5 per thousand less than the thickness of the plate, so as to ensure the punching precision.
Preferably, the number of the through holes 41 is 2, and the 2 through holes are symmetrically arranged about the symmetry plane of the lower die stamping stroke limiting and stripping block 32, so as to ensure that the lower die stamping stroke limiting and stripping block 32 can move in parallel.
Preferably, the horizontal sectional area of the lower die stamping stroke limiting and stripping block 32 is smaller than the horizontal sectional area of the accommodating groove 31, so as to reduce friction loss in the moving process.
Preferably, the horizontal sectional area of the lower die punching stroke limiting and stripping block 32 is not less than the horizontal sectional area of the first punch 13, so that the punching position of the plate is uniformly stressed, and the punching precision and quality are ensured.
The use process comprises the following steps: the plate 100 is horizontally placed between the upper template 12 and the lower template 21 and clamped, the first punch 13 moves downwards to punch the plate 100, the lower die punching stroke limiting and stripping block 32 moves downwards to compress the elastic element 33 in the punching process, the maximum distance of downward movement of the first punch 13 is reached when the lower surface of the lower die punching stroke limiting and stripping block 32 is contacted with the bottom surface of the accommodating groove 31, then the first punch 13 moves upwards to leave the plate 100, the elastic element 33 provides upward elastic force for the lower die punching stroke limiting and stripping block 32, the lower die punching stroke limiting and stripping block 32 drives the plate at the punching position to move upwards to separate the plate at the punching position from the plate 100, then the plate 100 moves to send the plate at the punching position above the discharge hole 34, and the second punch 14 presses the punched plate 100 downwards to press the punched waste into the discharge hole 34 to obtain the required plate, at this time, the other portion of the sheet material 100 is sent to below the first punch 13, and blanking of the other portion is completed while discharging.
The utility model discloses a die-cut mould of motor support through the reasonable design of holding groove depth and lower mould punching stroke spacing and stripping block height for the first drift can not punch the punching position department panel completely when die-cut and fall, has guaranteed the die-cut precision, has also reduced the noise in the die-cut process simultaneously; the elastic element is compressed during stamping through the connection of the lower die stamping stroke limit and the stripping block with the elastic element, and the elastic element pushes out the plate at the punching position upwards through the lower die stamping stroke limit and the stripping block during die opening, so that burrs are reduced, the precision is ensured, and the stripping effect is achieved; through the arrangement of the second punch and the discharge hole, after the first punch completes punching, the second punch downwards punches the plate, namely, the punched waste can be pressed into the discharge hole to leave the required plate, so that punching and discharging operations are completed on one die in sequence; through set up the carriage release lever in the through-hole, the guide lower mould punching press stroke is spacing to reciprocate with taking off the material piece to guarantee that lower mould punching press stroke is spacing and takes off material piece can parallel translation, guaranteed the die-cut quality of panel.
The present invention has been described in relation to the above embodiments, which are only examples for implementing the present invention. It should be noted that the disclosed embodiments do not limit the scope of the invention. On the contrary, all changes and modifications which do not depart from the spirit and scope of the present invention are deemed to fall within the scope of the present invention.
Claims (9)
1. A punching die of a motor bracket is used for punching plates and is characterized by comprising an upper die component and a lower die component matched with the upper die component,
the upper die assembly comprises an upper die plate backing plate and an upper die plate, the upper die plate is positioned below the upper die plate backing plate and connected with the upper die plate backing plate, a first punch and a second punch are arranged between the upper die plate backing plate and the upper die plate, the second punch is positioned on one side of the first punch,
the lower die assembly sequentially comprises a lower die plate, a lower die base plate and a lower die base from top to bottom, the lower die plate is arranged below the upper die plate, a containing groove is formed in the lower die plate and located right below the first punch, a lower die stamping stroke limiting and stripping block is arranged in the containing groove, the difference between the depth of the containing groove and the height of the lower die stamping stroke limiting and stripping block is smaller than the thickness of a plate, an elastic element is connected with the lower end of the lower die stamping stroke limiting and stripping block and arranged between the lower die base plate and the lower die base, a through hole is formed in the lower die stamping stroke limiting and stripping block, a moving rod penetrates through the through hole and is arranged among the through hole, the lower die base plate and the lower die base, and the lower die stamping stroke limiting and stripping block can be arranged in the containing groove along the moving rod in a vertically moving mode, and when the elastic element is in a free state, the upper surface of the lower die stamping stroke limiting and stripping block is coplanar with the upper surface of the lower template or is positioned above the upper surface of the lower template.
2. The die-cutting die for the motor bracket as claimed in claim 1, wherein the moving rod comprises a limiting part and a connecting part, the limiting part is located above the connecting part and is connected with the connecting part, the connecting part sequentially connects the lower die plate, the lower die cushion plate and the lower die base from top to bottom, the lower surface of the limiting part is in contact with the inner surface of the through hole in an open die state, and a first distance exists between the lower surface of the limiting part and the inner surface of the through hole in a die-cutting and die-clamping state.
3. The die-cutting die for motor brackets according to claim 2, wherein the first distance is equal to the difference between the depth of the accommodating groove and the height of the lower die stamping stroke limit and stripping block.
4. The punching die for the motor bracket according to any one of claims 1 to 3, wherein the moving rod is a contour screw.
5. The punching die for the motor bracket according to any one of claims 1 to 3, wherein the elastic member is a nitrogen spring.
6. The die-cutting die for the motor bracket as claimed in any one of claims 1 to 3, wherein the difference between the depth of the accommodating groove and the height of the lower die punching stroke limit and the stripping block is less than 5% o less than the thickness of the plate.
7. The die-cutting die for the motor bracket as set forth in any one of claims 1 to 3, wherein the number of the through-holes is 2, and the 2 through-holes are symmetrically arranged with respect to a vertical symmetry plane of the lower die punching stroke limit and the stripper block.
8. The punching die for motor brackets according to any one of claims 1 to 3,
the horizontal sectional area of the lower die stamping stroke limiting and stripping block is smaller than that of the accommodating groove.
9. The die-cutting die for a motor bracket as set forth in any one of claims 1 to 3, wherein a horizontal sectional area of the lower die punch stroke limiter and stripper is not smaller than a horizontal sectional area of the first punch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921868462.XU CN210936668U (en) | 2019-11-01 | 2019-11-01 | Punching die for motor support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921868462.XU CN210936668U (en) | 2019-11-01 | 2019-11-01 | Punching die for motor support |
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| Publication Number | Publication Date |
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| CN210936668U true CN210936668U (en) | 2020-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921868462.XU Active CN210936668U (en) | 2019-11-01 | 2019-11-01 | Punching die for motor support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743961A (en) * | 2019-11-01 | 2020-02-04 | 苏州捷尔力实业有限公司 | Punching die and machining process of motor support |
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2019
- 2019-11-01 CN CN201921868462.XU patent/CN210936668U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110743961A (en) * | 2019-11-01 | 2020-02-04 | 苏州捷尔力实业有限公司 | Punching die and machining process of motor support |
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