CN216632247U - Porous one shot forming mould of oil tank end cover - Google Patents
Porous one shot forming mould of oil tank end cover Download PDFInfo
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- CN216632247U CN216632247U CN202220178732.XU CN202220178732U CN216632247U CN 216632247 U CN216632247 U CN 216632247U CN 202220178732 U CN202220178732 U CN 202220178732U CN 216632247 U CN216632247 U CN 216632247U
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Abstract
The utility model provides a multi-hole one-step forming die for an oil tank end cover, which comprises an upper die and a lower die; the lower die comprises a lower die base, a male die, a jacking block, a jacking oil cylinder, a punch and a nitrogen spring; the male die is arranged at the upper part of the lower die base and the interior of the male die is of a hollow structure; the upper part of the jacking block is provided with a wedge mechanism; the wedge mechanism protrudes towards the upper part of the top surface of the lower die holder and is covered on the inner side of the male die; the wedge mechanism is provided with a punch and a nitrogen spring; the jacking oil cylinder is arranged at the bottom of the lower die base and is connected with the jacking block through a piston rod; the upper die comprises an upper die base, a knockout oil cylinder, a material withdrawing body and a punching female die; the knockout oil cylinder is arranged at the upper part of the upper die base; the material returning body is arranged in the upper die base and connected with a piston rod of the material beating oil cylinder. The utility model can realize one-time punching from bottom to top from the outer cavity of the end cover to finish one-time forming of the multi-directional hole, can greatly reduce the labor cost and improve the production efficiency, and has high positioning and processing precision and strong applicability.
Description
Technical Field
The utility model relates to the technical field of automobile part manufacturing, in particular to a porous one-step forming die for an oil tank end cover.
Background
The large oil tank for the large truck generally consists of a main oil tank and an auxiliary oil tank, wherein a sensor hole, a refueling pipe hole and an oil drain hole of the main oil tank are arranged on an oil tank cylinder, and the sensor hole, the refueling pipe hole and the oil drain hole of the auxiliary oil tank are arranged on an oil tank end cover. The sensor hole, the oil filling pipe hole and the oil drain hole are all mounting holes, are high in position degree and size requirements, are distributed on the periphery of an oil tank end cover, are different in angles in different directions, and have high requirements on the design of a die and equipment.
The working principle of the existing wedge mechanism is to change vertical motion into inclined motion, and the motion track is mainly from top to bottom and from outside to inside. But the existing structure can not realize the punching requirements of the oil tank end cover in different directions, from bottom to top and from inside to outside at multiple angles. The existing press machine equipment can only meet the movement from top to bottom and can not meet the use requirement of the designed die.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model provides the one-step forming die for the oil tank end cover with multiple holes, which has the advantages of simple and reasonable structural design, capability of realizing one-step punching from bottom to top and outward of the inner cavity of the end cover, capability of completing one-step forming of the multiple holes, high positioning precision, high processing precision and strong applicability, capability of greatly reducing labor cost and improving production efficiency and product quality.
In order to solve the technical problem, the utility model provides a multi-hole one-step forming die for an oil tank end cover, which comprises an upper die and a lower die; the upper die is matched and mounted at the power output end of an external press machine, and the lower die is matched and arranged right below the upper die; the lower die comprises a lower die base, a male die, a jacking block, a jacking oil cylinder, a punch and a nitrogen spring; the male die is matched with the top surface of the lower die base, and the interior of the male die is of a hollow structure; the jacking block is matched and slidably mounted on the inner side of the upper part of the lower die base, and the upper part of the jacking block is matched and provided with a wedge mechanism; the wedge mechanism protrudes towards the upper part of the top surface of the lower die holder and is covered on the inner side of the male die, and the wedge mechanism is connected with the lower die holder in a sliding fit manner; the inclined wedge mechanism is provided with the punches the number of which is the same as that of the punches to be punched on the workpiece in a matching manner, and the nitrogen spring is also arranged on one side of each punch in the inclined wedge mechanism in a matching manner; the jacking oil cylinder is mounted at the bottom of the lower die holder in a matching manner and is connected to an external hydraulic system through a hydraulic pipeline, and a piston rod of the jacking oil cylinder movably extends into the inner side of the lower die holder and is connected with the jacking block in a matching manner; the upper die comprises an upper die base, a knockout oil cylinder, a material withdrawing body and a punching female die; the material withdrawing body is installed inside the upper die base in a matched mode; the knockout oil cylinder is installed on the upper part of the upper die holder in a matching manner and is connected to an external hydraulic system through a hydraulic pipeline; the upper part of the material returning body is connected with a piston rod of the material beating oil cylinder in a matching manner, the lower part of the material returning body is provided with a workpiece limiting cavity in a matching manner, and the peripheral side of the material returning body is connected with the upper die base in a sliding fit manner; the punching female die corresponding to the punch in a matched mode is arranged on the bottom face, located on the periphery of the workpiece limiting cavity, of the upper die base.
Preferably, the wedge mechanism comprises a lower guide driving block and an upper guide sliding block; the lower guide driving block is connected with the upper part of the jacking block into a whole, and the upper part of the lower guide driving block is matched with a guide inclined plane; the upper guide sliding block is connected with the guide inclined plane on the upper part of the lower guide driving block in a sliding fit manner.
Preferably, the punch and the nitrogen spring are mounted on the upper guide slide block in a matched mode, and the nitrogen spring is located on the lower side of the punch in a matched mode.
Preferably, the lower guide driving block is connected with the lower die holder in a sliding fit manner through a second peripheral guide plate; the upper guide sliding block is connected with the inner cavity of the male die in a positioning and sliding fit mode through a V-shaped guide plate.
Preferably, the lower die holder is provided with lower workpiece positioning columns in a matching manner around the male die; and workpiece upper positioning columns are arranged at the bottom of the upper die base and positioned around the workpiece limiting cavity in a matched manner.
Preferably, the two opposite side edges of the top surface of the lower die base are provided with lower die guide grooves in a matching manner, and the bottoms of the inner grooves of the lower die guide grooves are vertically provided with lower die guide columns in a matching manner.
Preferably, the upper die base is provided with upper die guide projections matched with the lower die guide grooves in a matching manner on two opposite side edges of the bottom surface of the upper die base; the upper die guide protruding block is provided with an upper die guide hole matched with the lower die guide post in a matching mode along the vertical direction from the top surface.
By adopting the technical scheme, the utility model has the following beneficial effects:
the multi-hole one-step forming die for the oil tank end cover is simple and reasonable in structural design, can realize one-step punching from bottom to top of the outward inner cavity of a workpiece, can finish one-step forming of multi-hole by matching one set of die with special equipment, greatly saves the process flow, is high in positioning precision, processing precision and applicability, can greatly reduce the labor cost, and improves the production efficiency and the product quality.
The utility model has the following advantages:
(1) the lower die can drive the punches to move by additionally arranging the jacking oil cylinder, three-point simultaneous punching is realized by the simultaneous movement of the three punches, and the original three-time hole processing is changed into one-time punching forming, so that the production efficiency and the product quality can be obviously improved, and the production cost is reduced;
(2) the upper die is additionally provided with the knockout oil cylinder, so that the workpiece can be quickly pushed out of the upper die, and the workpiece is prevented from being clamped on the upper die and inconvenient to take out;
(3) the punching guide adopts a wedge mechanism for guiding, the synchronism is good, the fixed thinking that the traditional wedge can only move from top to bottom is broken through, the moving mode of the wedge mechanism from bottom to top is completed through the design of a jacking oil cylinder and a material beating oil cylinder, and the one-time punching from bottom to top of the outward inner cavity of the workpiece is realized;
(4) the punch is integrated into the lower die, so that the punch has the characteristics of simple structure, reliable operation, accurate positioning, convenient maintenance, economy, energy conservation and the like, and most prominently, the punch can be simply connected and matched with processing equipment and a production line, and has good universality and convenient arrangement;
(5) the punch moves back and forth from inside to outside by using the nitrogen spring, the upper guide slide block, the lower guide driving block and the lower guide driving block guide plate, so that the size and the direction of punching are ensured, and the workpiece taking is also ensured;
(6) the actions of the jacking oil cylinder and the knockout oil cylinder can be controlled through an external hydraulic station, workpieces are automatically clamped and positioned, the original multi-time clamping and positioning is changed into one-time positioning, the automation degree is high, and the jacking oil cylinder and the knockout oil cylinder play very important roles in improving labor conditions, saving labor cost, reducing labor force, improving working efficiency and the like;
(7) the stamping die has strong applicability, can be adopted only by one set of die when the action requirement of moving from inside to outside is required, reduces the storage space and the transportation cost, can produce stamping parts in large batch, saves the cost of manpower, equipment, time and the like, and obviously improves the production efficiency.
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 embodiments or the description in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a half-sectional view of a multi-hole one-step forming die for an oil tank end cover according to the present invention;
FIG. 2 is a schematic structural diagram of an upper die of the multi-hole one-step forming die for the oil tank end cover;
FIG. 3 is a schematic structural view of a lower die of the multi-hole one-step forming die for the oil tank end cover according to the utility model;
FIG. 4 is a partial cross-sectional view of a lower die of the multi-hole one-step forming die for the oil tank end cover according to the utility model;
FIG. 5 is a schematic structural view of the lower die of the multi-hole one-step forming die for the oil tank end cover, with the lower die base, the male die and the jacking oil cylinder removed;
fig. 6 is another structural schematic diagram of the lower die of the multi-hole one-step forming die for the oil tank end cover.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.
The present invention will be further explained with reference to specific embodiments.
As shown in fig. 1 to 6, the multi-hole one-step forming die for the oil tank end cover provided by the embodiment includes an upper die 1 and a lower die 2.
The upper die 1 comprises an upper die base 11, a knockout oil cylinder 12, a material returning body 13, a punching female die 14, a workpiece upper positioning column 15 and an upper die guide convex block 16.
The upper die base 11 is installed at the power output end of an external press machine, a spring installation platform is cast in the center of the upper die base in a matching mode, a plurality of spring guide pins are installed on the spring installation platform in a matching mode, and springs are sleeved on each spring guide pin in a matching mode. The material returning body 13 is arranged on a spring and supported by the spring; the lower part of the material returning body 13 is provided with a workpiece limiting cavity 111 in a matching way, and the peripheral side of the material returning body 13 is connected with the upper die base 11 in a sliding fit way through a first peripheral guide plate.
The upper die base 11 is provided with workpiece upper positioning columns 15 which are matched and arranged around the workpiece limiting cavity 111; the upper die base 11 is provided with upper die guide convex blocks 16 which are matched and convexly arranged on two opposite side edges of the bottom surface; the upper die guide projection 16 is formed with an upper die guide hole 161 along a vertical direction from a top surface.
The knockout oil cylinder 12 is arranged at the center of the outer top of the upper die base 11 in a matching way and is connected with an external hydraulic station in a matching way through a hydraulic pipeline; a piston rod of the knockout oil cylinder 12 downwards passes through the upper die holder 11 and is connected with the upper part of the material returning body 13 in a matching way; after the upper die 1 presses the workpiece 3, the piston rod of the knockout cylinder 12 pushes the material withdrawing body 13 to move downwards, so that the workpiece 3 is withdrawn from the workpiece limiting cavity 111.
The punching female die 14 has three upper die base 11 bottom surfaces which are respectively matched and arranged at the periphery of the workpiece limiting cavity 111.
The lower die 2 is arranged right below the upper die 1 in a matching manner and comprises a lower die base 20, a male die 21, a jacking block 22, a jacking oil cylinder 23, a first punch 24, a second punch 25, a third punch 26, a first nitrogen spring 27, a second nitrogen spring 28 and a third nitrogen spring 29.
The opposite two side edges of the top surface of the lower die base 20 are provided with lower die guide grooves 201 in a matching way, the center of the top surface is provided with a convex die 21 in a matching way, and the periphery of the convex die 21 is provided with lower workpiece positioning columns 202 in a matching way; the lower die guide column 203 matched with the upper die guide hole 161 of the upper die guide projection 16 is vertically arranged at the inner groove bottom of the lower die guide groove 201 in a matching way; the inside of the punch 21 is hollow.
The jacking block 22 is embedded in the center of the lower die holder 20 in a matching manner, and the top of the jacking block is provided with a wedge mechanism in a matching manner through a screw; the wedge mechanism is connected with the lower die holder 20 through a second circumference guide plate in a sliding fit manner; the wedge mechanism is covered on the inner side of the male die 21 and comprises a lower guide driving block 221 connected with the top surface of the jacking block 22 into a whole and three upper guide sliding blocks 222 in sliding fit connection with three guide inclined surfaces on the upper part of the lower guide driving block 221; the lower guide driving block 221 is connected with the lower die holder 20 in a sliding fit manner through a second peripheral guide plate; the upper guiding slide 222 is connected with the inner cavity of the male die 21 in a positioning and sliding fit manner through a V-shaped guide plate.
The jacking oil cylinder 23 is vertically arranged at the center of the bottom of the lower die holder 20 in an inverted matching manner and is connected with an external hydraulic station in a matching manner through a hydraulic pipeline; the piston rod of the jacking cylinder 23 extends into the inner side of the lower die holder 20 and is connected with the lower part of the jacking block 22 in a matching way.
The first punch 24, the second punch 25 and the third punch 26 are respectively matched and mounted on three upper guide sliders 222 of a wedge mechanism at the top of the jacking block 22.
The first, second and third nitrogen springs 27, 28 and 29 are respectively fitted on three upper guide sliders 222 on the lower sides of the corresponding first, second and third punches 24, 25 and 26. When the lower guide driving block 221 moves from bottom to top, the three upper guide sliding blocks 222 are correspondingly driven to move from inside to outside and simultaneously drive the first punch 24, the second punch 25, the third punch 26, the first nitrogen spring 27, the second nitrogen spring 28 and the third nitrogen spring 29 to move together, the first nitrogen spring 27, the second nitrogen spring 28 and the third nitrogen spring 29 are in a natural state at the beginning, the first nitrogen spring 27, the second nitrogen spring 28 and the third nitrogen spring 29 are compressed along with the movement of the three upper guide sliding blocks 222 from inside to outside, after the lower guide driving block 221 is unloaded, the first nitrogen spring 27, the second nitrogen spring 28 and the third nitrogen spring 29 recover to original lengths, and the three upper guide sliding blocks 222 and the first punch 24, the second punch 25 and the third punch 26 recover to original positions.
The utility model has simple and reasonable structural design, can realize one-time punching from bottom to top and outward of the inner cavity of the end cover to finish one-time forming of the multi-directional hole, has high positioning precision, high processing precision and strong applicability, can greatly reduce labor cost and improve production efficiency and product quality.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. A porous one shot forming die of oil tank end cover, including upper die and lower die; the upper die is matched and mounted at the power output end of an external press machine, and the lower die is matched and arranged right below the upper die; the method is characterized in that: the lower die comprises a lower die base, a male die, a jacking block, a jacking oil cylinder, a punch and a nitrogen spring; the male die is matched with the top surface of the lower die base, and the interior of the male die is of a hollow structure; the jacking block is matched and slidably mounted on the inner side of the upper part of the lower die base, and the upper part of the jacking block is matched and provided with a wedge mechanism; the wedge mechanism protrudes towards the upper part of the top surface of the lower die holder and is covered on the inner side of the male die, and the wedge mechanism is connected with the lower die holder in a sliding fit manner; the inclined wedge mechanism is provided with the punches the number of which is the same as that of the punches to be punched on the workpiece in a matching manner, and the nitrogen spring is also arranged on one side of each punch in the inclined wedge mechanism in a matching manner; the jacking oil cylinder is installed at the bottom of the lower die base in a matching mode and is connected to an external hydraulic system through a hydraulic pipeline, and a piston rod of the jacking oil cylinder movably extends into the inner side of the lower die base and is connected with the jacking block in a matching mode;
the upper die comprises an upper die base, a knockout cylinder, a material withdrawing body and a punching female die; the material withdrawing body is installed inside the upper die base in a matched mode; the knockout oil cylinder is installed on the upper part of the upper die holder in a matching manner and is connected to an external hydraulic system through a hydraulic pipeline; the upper part of the material returning body is connected with a piston rod of the material beating oil cylinder in a matching manner, the lower part of the material returning body is provided with a workpiece limiting cavity in a matching manner, and the peripheral side of the material returning body is connected with the upper die base in a sliding fit manner; the punching female die corresponding to the punch in a matched mode is arranged on the bottom face, located on the periphery of the workpiece limiting cavity, of the upper die base.
2. The multi-hole one-step forming die for the oil tank end cover as claimed in claim 1, wherein: the inclined wedge mechanism comprises a lower guide driving block and an upper guide sliding block; the lower guide driving block is connected with the upper part of the jacking block into a whole, and the upper part of the lower guide driving block is matched with a guide inclined plane; the upper guide sliding block is connected with the guide inclined plane on the upper part of the lower guide driving block in a sliding fit manner.
3. The multi-hole one-step forming die for the oil tank end cover as claimed in claim 2, wherein: the punch and the nitrogen spring are installed on the upper guide sliding block in a matched mode, and the nitrogen spring is located on the lower side of the punch in a matched mode.
4. The multi-hole one-step forming die for the oil tank end cover as claimed in claim 2, wherein: the lower guide driving block is connected with the lower die holder in a sliding fit manner through a second peripheral guide plate; the upper guide sliding block is connected with the inner cavity of the male die in a positioning and sliding fit mode through a V-shaped guide plate.
5. The multi-hole one-step forming die for the oil tank end cover as claimed in claim 1, wherein: the lower die base is provided with lower workpiece positioning columns which are matched with the periphery of the male die; and workpiece upper positioning columns are arranged at the bottom of the upper die base and positioned around the workpiece limiting cavity in a matched manner.
6. The multi-hole one-step forming die for the oil tank end cover as claimed in claim 1, wherein: the opposite two sides edges of the top surface of the lower die base are provided with lower die guide grooves in a matching mode, and the bottoms of inner grooves of the lower die guide grooves are vertically provided with lower die guide columns in a matching mode.
7. The multi-hole one-step forming die for the oil tank end cover as claimed in claim 6, wherein: the upper die base is provided with upper die guide convex blocks matched with the lower die guide grooves in a matching way on two opposite side edges of the bottom surface of the upper die base; the upper die guide protruding block is provided with an upper die guide hole matched with the lower die guide post in a matching mode along the vertical direction from the top surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178732.XU CN216632247U (en) | 2022-01-21 | 2022-01-21 | Porous one shot forming mould of oil tank end cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220178732.XU CN216632247U (en) | 2022-01-21 | 2022-01-21 | Porous one shot forming mould of oil tank end cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216632247U true CN216632247U (en) | 2022-05-31 |
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ID=81728733
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220178732.XU Active CN216632247U (en) | 2022-01-21 | 2022-01-21 | Porous one shot forming mould of oil tank end cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216632247U (en) |
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2022
- 2022-01-21 CN CN202220178732.XU patent/CN216632247U/en active Active
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