CN215614488U - High-precision stamping die for car frame plates - Google Patents
High-precision stamping die for car frame plates Download PDFInfo
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- CN215614488U CN215614488U CN202121407053.7U CN202121407053U CN215614488U CN 215614488 U CN215614488 U CN 215614488U CN 202121407053 U CN202121407053 U CN 202121407053U CN 215614488 U CN215614488 U CN 215614488U
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- positioning rod
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Abstract
The utility model provides a high-precision stamping die for a car frame plate, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die mounting plate, a supporting plate, a stamping mounting plate, a pre-positioning structure, a male die mounting seat, a male die, a first driving motor and a lifting shaft A; the lower die assembly comprises a lower die mounting plate and a female die holder; the pre-positioning structure comprises a second driving motor, a lifting shaft B, U-shaped connecting arm, a positioning rod mounting seat, a rotating motor, a Z-shaped positioning rod and a return spring. The utility model has the beneficial effects that: and pre-positioning the stamping blank before stamping, so that the stamping precision is ensured.
Description
Technical Field
The utility model relates to the technical field of stamping dies, in particular to a high-precision stamping die for a vehicle frame plate.
Background
Stamping is a press working method in which a die mounted on a press is used to apply pressure to a material at room temperature to cause separation or plastic deformation thereof, thereby obtaining a desired part, and such a working method is very suitable for mass production of automobiles. Most auto parts are when carrying out stamping production in the market at present, all place the stock and carry out stamping forming in specific mould, because the location is accurate inadequately during the punching press stock, lead to the part of processing out unqualifiedly easily to cause the waste of material and resource, in view of this kind of condition, wait urgently to promote stamping die's punching press accuracy.
SUMMERY OF THE UTILITY MODEL
Based on the above, the utility model aims to provide a high-precision stamping die for a vehicle frame plate, which is used for pre-positioning a stamping blank before stamping so as to ensure the stamping precision.
The utility model provides a high-precision stamping die for a car frame plate, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly comprises an upper die mounting plate, a supporting plate, a stamping mounting plate, a pre-positioning structure, a male die mounting seat, a male die, a first driving motor and a lifting shaft A; the lower die assembly comprises a lower die mounting plate and a female die holder; the pre-positioning structure comprises a second driving motor, a lifting shaft B, U-shaped connecting arm, a positioning rod mounting seat, a rotating motor, a Z-shaped positioning rod and a return spring.
An interval space is formed between the upper die mounting plate and the supporting plate through a supporting rod; the second driving motor is arranged on the lower surface of the upper die mounting plate, one end of the lifting shaft B is connected with the power output end of the second driving motor, the other end of the lifting shaft B is connected with the U-shaped connecting arm, two free ends of the U-shaped connecting arm sequentially penetrate through the supporting plate and the stamping mounting plate and extend to the lower part of the stamping mounting plate, two free ends of the U-shaped connecting arm are both connected with a positioning rod mounting seat, the positioning rod mounting seat is provided with a return spring receiving cavity, a moving block which is contacted with the return spring in a propping way is movably embedded in the return spring containing cavity, the rotating motor is connected with the moving block, one end of the Z-shaped positioning rod is connected with the power output end of the rotating motor, the bottom of the positioning rod mounting seat is provided with a strip-shaped groove along the length direction of the positioning rod mounting seat, and the strip-shaped groove is used for the rotary motor to move back and forth; the first driving motor is installed on the upper surface of the supporting plate and located below the U-shaped connecting arm, one end of the lifting shaft A is connected with the power output end of the first driving motor, the other end of the lifting shaft A penetrates through the supporting plate and is connected with the upper surface of the stamping mounting plate, the male die mounting seat is installed on the lower surface of the stamping mounting plate, and the male die is correspondingly installed on the lower surface of the male die mounting seat.
The female die holder is correspondingly arranged on the lower die mounting plate and corresponds to the male die in position, and a stamping die cavity corresponding to the male die in shape is formed on the upper surface of the female die holder; the upper surface of the lower die mounting plate is located on two opposite sides of the die holder and is provided with guide sleeves, the lower surface of the stamping mounting plate is provided with guide rods A corresponding to the guide sleeves, and the lower portions of the guide rods A are correspondingly inserted into the guide sleeves.
Preferably, guide rods B are arranged on the upper surface of the stamping mounting plate and close to the support rods, and the upper parts of the guide rods B penetrate through the supporting plate and extend out of the supporting plate.
Preferably, the lower die mounting plate is provided with pressing structures on two opposite sides of the die holder, each pressing structure comprises a limiting block, a spring and a pressing block, the limiting blocks are fixedly arranged on the upper surface of the lower die mounting plate, the die holder is provided with through holes through which the pressing blocks extend into the stamping die cavities, one ends of the springs are connected with the limiting blocks, and the other ends of the springs are connected with the pressing blocks; when the spring is in an extended state, the pressing block is positioned in the stamping cavity.
According to the preferable scheme, rotary seats are arranged on two opposite sides of the upper surface of the guide sleeve, a positioning rod is rotatably connected onto each rotary seat, a protruding grain A is arranged in the width direction of one side, connected with the rotary seats, of each positioning rod, an arc-shaped positioning protruding grain is arranged at the free end of one side face, corresponding to the guide rod A, of the positioning rod in the length direction, a protruding grain B corresponding to the protruding grain A is arranged on the outer side face of the guide rod A, and a positioning arc-shaped groove corresponding to the arc-shaped positioning protruding grain is arranged on the outer side face of the guide rod A.
Preferably, a guide inclined surface is formed at the opening of the punching cavity.
The utility model has the beneficial effects that: the stamping blank is pre-positioned through the pre-positioning structure, so that the stamping blank can be accurately positioned and placed in the stamping cavity, the moving block drives the rotating motor and the Z-shaped positioning rod to move towards the stamping deformation direction of the stamping blank in the stamping forming process of the male die, the Z-shaped positioning rod is ensured to be positioned on the stamping blank in the stamping overshoot process, the moving block is driven to reset to the initial position under the action force of the reset spring until the stamping action is completed, preparation is made for the next stamping, and the stamping precision is ensured.
Drawings
Fig. 1 is a sectional view of the first embodiment (open state).
Fig. 2 is a schematic diagram showing a relative structural relationship among the positioning rod mounting base, the rotating motor, the Z-shaped positioning rod, and the return spring in the first embodiment.
Fig. 3 is a sectional view of the second embodiment (open state).
Fig. 4 is a schematic diagram showing the relative structure relationship between the guide rod a and the guide sleeve in the second embodiment (showing the compression structure).
Fig. 5 is a schematic view of a compressing structure in a compressing state in the second embodiment.
Fig. 6 is a sectional view (mold clamping state) of the second embodiment.
The reference signs are: the device comprises an upper die mounting plate 10, a support rod 11, a first driving motor 12, a guide rod B13, a second driving motor 15, a lifting shaft B16, a U-shaped connecting arm 14, a supporting plate 17, a lifting shaft A18, a male die mounting seat 19, a male die 20, a guide rod A22, a guide sleeve 24, a lower die mounting plate 25, a female die seat 26, a stamping die cavity 27, a pressing structure 31, a limiting block 30, a spring 29, a pressing block 28, a moving block 32, a positioning rod mounting seat 34, a return spring accommodating cavity 33, a rotating motor 36, a Z-shaped positioning rod 37, a return spring 35, an arc-shaped positioning convex particle 39, a positioning rod 40, a rotating seat 42, a convex particle A43, a convex particle B44, a positioning arc-shaped groove 45, a stamping mounting plate 49, a pre-positioning structure 46, an upper die assembly 48 and a lower die assembly 47.
Detailed Description
For a better understanding of the features and technical solutions of the present invention, together with the specific objects and functions attained by the utility model, reference is made to the following detailed description and accompanying drawings that form a part hereof.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The first embodiment, please refer to fig. 1-2, provides a high-precision stamping die for car frame plates, which includes an upper die assembly 48 and a lower die assembly 47, wherein the upper die assembly 48 includes an upper die mounting plate 10, a supporting plate 17, a stamping mounting plate 49, a pre-positioning structure 46, a male die mounting seat 19, a male die 20, a first driving motor 12, and a lifting shaft a 18; the lower die assembly 47 comprises a lower die mounting plate 25 and a female die holder 26; the pre-positioning structure 46 comprises a second driving motor 15, a lifting shaft B16, a U-shaped connecting arm 14, a positioning rod mounting seat 34, a rotating motor 36, a Z-shaped positioning rod 37 and a return spring 35.
An interval space is formed between the upper die mounting plate 10 and the supporting plate 17 through the supporting rod 11. The second driving motor 15 is installed on the lower surface of the upper die mounting plate 10, one end of the lifting shaft B16 is connected with the power output end of the second driving motor 15, the other end of the lifting shaft B16 is connected with the U-shaped connecting arm 14, two free ends of the U-shaped connecting arm 14 sequentially penetrate through the supporting plate 17 and the stamping mounting plate 49 and extend to the lower side of the stamping mounting plate 49, two free ends of the U-shaped connecting arm 14 are both connected with a positioning rod mounting seat 34, the positioning rod mounting seat 34 is provided with a return spring accommodating cavity 33, a moving block 32 which is in butt contact with the return spring 35 is movably embedded in the return spring accommodating cavity 33, the rotating motor 36 is connected with the moving block, one end of the Z-shaped positioning rod 37 is connected with the power output end of the rotating motor 36, and the bottom of the positioning rod mounting seat 34 is provided with a strip-shaped groove for the rotating motor 36 to move back and forth along the length direction; the first driving motor 12 is installed on the upper surface of the supporting plate 17 and located below the U-shaped connecting arm 14, one end of the lifting shaft A18 is connected with the power output end of the first driving motor 12, the other end of the lifting shaft A18 penetrates through the supporting plate 17 and is connected with the upper surface of the punching installation plate 49, the punch installation seat 19 is installed on the lower surface of the punching installation plate 49, and the punches are correspondingly installed on the lower surface of the punch installation seat 19.
The die holder 26 is correspondingly installed on the lower die mounting plate 25 and corresponds to the male die in position, a stamping cavity 27 corresponding to the shape of the male die is formed on the upper surface of the die holder 26, and a guide inclined surface is formed at the opening of the stamping cavity 27. The upper surface of the lower die mounting plate 25 is provided with guide sleeves 24 at two opposite sides of the die holder 26, the lower surface of the punching mounting plate 49 is provided with guide rods A22 at positions corresponding to the guide sleeves 24, and the lower parts of the guide rods A22 are correspondingly inserted into the guide sleeves 24.
The upper surfaces of the stamping mounting plates 49 are provided with guide rods B13 at positions close to the support rods, and the upper parts of the guide rods B13 penetrate through the supporting plate 17 and extend out of the supporting plate 17.
The lower die mounting plate 25 is provided with pressing structures 31 on two opposite sides of the die holder 26, each pressing structure 31 comprises a limiting block 30, a spring 29 and a pressing block 28, the limiting blocks 30 are fixedly arranged on the upper surface of the lower die mounting plate 25, the die holder 26 is provided with through holes for the pressing blocks 28 to extend into the stamping die cavity 27, one end of each spring 29 is connected with the limiting block 30, and the other end of each spring 29 is connected with the corresponding pressing block 28; when spring 29 is in the extended state, press block 28 is located within press cavity 27. Through setting up compact structure 31, ensure that the punching press stock can place stably in punching press die cavity 27, lay the basis for promoting the punching press precision.
The operating principle of the present embodiment is: placing a stamping blank in a stamping cavity 27, pressing the stamping blank through pressing blocks 28 on two sides, enabling a Z-shaped positioning rod 37 to rotate towards the stamping cavity 27 by a rotating motor 36, enabling a second driving motor 15 to drive a U-shaped connecting arm 14, a positioning rod mounting seat 34, the rotating motor 36, the Z-shaped positioning rod 37 and a reset spring 35 to move towards the stamping cavity 27 by a lifting shaft B16 until the free end of the Z-shaped positioning rod 37 is inserted into a positioning hole reserved on the stamping blank, and enabling a stamping mounting plate 49, a male die mounting seat 19 and a male die 20 to move towards the stamping cavity 27 by a first driving motor 12 through a lifting shaft A18 until the stamping action is finished and then reset; in the punch forming process of the male die, the moving block drives the rotating motor and the Z-shaped positioning rod to move towards the punching deformation direction of the punching blank, so that the Z-shaped positioning rod is ensured to keep positioning on the punching blank in the punching overshoot process, and the moving block is driven to reset to the initial position under the action of the reset spring until the punching action is completed, so that the preparation is made for the next punching, and the punching precision is ensured.
In a second embodiment, please refer to fig. 3-6, based on the first embodiment, the two opposite sides of the upper surface of the guide sleeve 24 are provided with a rotating seat 42, the rotating seat 42 is rotatably connected with a positioning rod 40, one side of the positioning rod 40 connected with the rotating seat 42 is provided with a convex particle a43 in the width direction, the free end of one side of the positioning rod 40 in the length direction corresponding to the guide rod a22 is provided with an arc-shaped positioning convex particle 39, the outer side of the guide rod a22 is provided with a convex particle B44 corresponding to the convex particle a43, and the outer side of the guide rod a22 is provided with a positioning arc-shaped groove 45 corresponding to the arc-shaped positioning convex particle 39. When punching, the guide rod A22 inserts in the guide sleeve 24, thereby make the locating lever 40 use roating seat 42 as the fulcrum to realize the upset action until protruding grain B44 and protruding grain A43 offset the contact, thereby the locating lever 40 of both sides is upset to the lateral surface direction of guide rod A22 until the arc location protruding grain 39 corresponds and imbeds to form the centre gripping form in the location arc groove 45 to further ensure the precision of punching.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (5)
1. The utility model provides a car skeleton panel high accuracy stamping die, includes upper die assembly (48) and lower die assembly (47), its characterized in that: the upper die assembly (48) comprises an upper die mounting plate (10), a supporting plate (17), a stamping mounting plate (49), a pre-positioning structure (46), a male die mounting seat (19), a male die (20), a first driving motor (12) and a lifting shaft A (18); the lower die assembly (47) comprises a lower die mounting plate (25) and a female die holder (26); the pre-positioning structure (46) comprises a second driving motor (15), a lifting shaft B (16), a U-shaped connecting arm (14), a positioning rod mounting seat (34), a rotating motor (36), a Z-shaped positioning rod (37) and a return spring (35);
an interval space is formed between the upper die mounting plate (10) and the supporting plate (17) through a supporting rod (11); the second driving motor (15) is installed on the lower surface of the upper die mounting plate (10), one end of the lifting shaft B (16) is connected with a power output end of the second driving motor (15), the other end of the lifting shaft B (16) is connected with the U-shaped connecting arm (14), two free ends of the U-shaped connecting arm (14) sequentially penetrate through the supporting plate (17) and the stamping mounting plate (49) and extend to the lower portion of the stamping mounting plate (49), two free ends of the U-shaped connecting arm (14) are both connected with a positioning rod mounting seat (34), the positioning rod mounting seat (34) is provided with a return spring receiving cavity (33), a moving block (32) which is in butt contact with the return spring (35) is movably embedded in the return spring receiving cavity (33), the rotating motor (36) is connected with the moving block, one end of the Z-shaped positioning rod (37) is connected with the power output end of the rotating motor (36), the bottom of the positioning rod mounting seat (34) is provided with a strip-shaped groove along the length direction thereof, and the strip-shaped groove is used for the rotary motor (36) to move back and forth; the first driving motor (12) is mounted on the upper surface of the supporting plate (17) and is positioned below the U-shaped connecting arm (14), one end of the lifting shaft A (18) is connected with the power output end of the first driving motor (12), the other end of the lifting shaft A (18) penetrates through the supporting plate (17) and is connected with the upper surface of the stamping mounting plate (49), the punch mounting seat (19) is mounted on the lower surface of the stamping mounting plate (49), and the punch is correspondingly mounted on the lower surface of the punch mounting seat (19);
the female die holder (26) is correspondingly arranged on the lower die mounting plate (25) and corresponds to the male die in position, and a stamping die cavity (27) corresponding to the shape of the male die is formed in the upper surface of the female die holder (26); guide sleeves (24) are arranged on two opposite sides of the lower die mounting plate (25) which are located on the die holder (26), guide rods A (22) are arranged on the lower surface of the stamping mounting plate (49) corresponding to the guide sleeves (24), and the lower portions of the guide rods A (22) are correspondingly inserted into the guide sleeves (24).
2. The high-precision stamping die for the vehicle frame plates as claimed in claim 1, wherein: guide rods B (13) are arranged at positions, close to the support rods, of the upper surface of the stamping mounting plate (49), and the upper portions of the guide rods B (13) penetrate through the supporting plate (17) and extend out of the supporting plate (17).
3. The high-precision stamping die for the vehicle frame plates as claimed in claim 1, wherein: pressing structures (31) are arranged on the lower die mounting plate (25) and located on two opposite sides of the die holder (26), each pressing structure (31) comprises a limiting block (30), a spring (29) and a pressing block (28), the limiting blocks (30) are fixedly arranged on the upper surface of the lower die mounting plate (25), the die holder (26) is provided with a through hole for the pressing block (28) to extend into the stamping cavity (27), one end of each spring (29) is connected with the limiting block (30), and the other end of each spring (29) is connected with the corresponding pressing block (28); when the spring (29) is in an extended state, the pressing block (28) is positioned in the stamping cavity (27).
4. The high-precision stamping die for the vehicle frame plates as claimed in claim 1, wherein: the utility model discloses a guide pin cover, including guide pin cover (24), the relative both sides of upper surface of guide pin cover (24) all are provided with roating seat (42), it is connected with locating lever (40) to rotate on roating seat (42), locating lever (40) with one side width direction that roating seat (42) are connected is provided with protruding grain A (43), locating lever (40) with the length direction's that guide arm A (22) correspond a side free end is provided with protruding grain (39) of arc location, the lateral surface of guide arm A (22) be provided with protruding grain B (44) that protruding grain A (43) correspond, the lateral surface of guide arm A (22) be provided with location arc groove (45) that protruding grain (39) of arc location correspond.
5. The high-precision stamping die for the vehicle frame plates as claimed in claim 1, wherein: and a guide inclined surface is formed at the opening of the stamping cavity (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407053.7U CN215614488U (en) | 2021-06-23 | 2021-06-23 | High-precision stamping die for car frame plates |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121407053.7U CN215614488U (en) | 2021-06-23 | 2021-06-23 | High-precision stamping die for car frame plates |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215614488U true CN215614488U (en) | 2022-01-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121407053.7U Active CN215614488U (en) | 2021-06-23 | 2021-06-23 | High-precision stamping die for car frame plates |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215614488U (en) |
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2021
- 2021-06-23 CN CN202121407053.7U patent/CN215614488U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 511547 No.3 Deqing Avenue, Guangzhou (Qingyuan) Industrial Transfer Industrial Park, Shijiao Town, Qingcheng District, Qingyuan City, Guangdong Province Patentee after: Guangdong Zengtian Sheng'an Auto Parts Manufacturing Co.,Ltd. Address before: 510800 one of No. 163, Yingbin Avenue West, Xiuquan street, Huadu District, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU ZENGTIAN SHENG'AN AUTOMOBILE PARTS MANUFACTURE CO.,LTD. |
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| CP03 | Change of name, title or address |