CN217044446U - Bottom extrusion device tool for barrel parts - Google Patents
Bottom extrusion device tool for barrel parts Download PDFInfo
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- CN217044446U CN217044446U CN202123096074.4U CN202123096074U CN217044446U CN 217044446 U CN217044446 U CN 217044446U CN 202123096074 U CN202123096074 U CN 202123096074U CN 217044446 U CN217044446 U CN 217044446U
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Abstract
The utility model discloses a section of thick bamboo part bottom extrusion device frock, when in order to solve traditional head trapezoidal stamping punching press product bottom, can cause product appearance punching press central point to put and form a pit, and the wall thickness of punching press processing position does not change, the unable test problem of performance data appears, including bottom extrusion device support bottom towards (1), bottom extrusion device product position sleeve (2), bottom extrusion device go up extrusion towards (3); the bottom extrusion device supports a bottom punch (1) and is of a cylindrical structure with a blind hole at the upper end; the bottom extrusion device product positioning sleeve (2) is of a cylindrical structure with a central hole; the bottom extrusion device is provided with an upper extrusion punch (3) which is of a cylindrical structure with a spherical head. The utility model discloses a section of thick bamboo type bottom extrusion device product bottom shearing frock can realize product bottom wall thickness extrusion attenuation processing, can not cause the damage to the product.
Description
Technical Field
The utility model relates to a section of thick bamboo type bottom extrusion device frock belongs to the machining field.
Background
The processing of product bottom extrusion is a common parts machining type in the machining field, the frock that we used carries out local extrusion to cylinder form product bottom, what the tradition adopted is the trapezoidal stamping of head, adopt outside punching press's method to carry out stamping process, product after stamping process, the punching press position is not complete enough, product punching press central point puts and forms a pit, so the bottom wall thickness attenuation of product is visible can't be guaranteed, the product is when carrying out performance test, cause product bottom pit department, the product bottom produces the internal pressure and strikes the problem of not opening, cause the unable detection of performance data, thereby cause the product to have serious defect, cause the unable input production of product.
SUMMERY OF THE UTILITY MODEL
The invention provides a bottom extrusion device tool for barrel parts. The part is a cylindrical thin-wall part, an annular groove needs to be machined at the bottom before the part is used, the wall thickness of the groove is thinned, and the traditional machining method cannot be completed. The utility model aims at solving when the trapezoidal stamping punching press product bottom of traditional head, can cause product appearance punching press central point to put and form a 4 millimeters pit, and the wall thickness of punching press processing position does not change, when product property can test, the unable test problem of performance data appears, and provide a product bottom extrusion device frock.
The utility model aims at realizing through the following technical scheme: the tooling for the bottom extrusion device of the cylinder part is characterized by comprising a bottom extrusion device supporting bottom punch (1), a bottom extrusion device product positioning sleeve (2) and a bottom extrusion device upper extrusion punch (3); the bottom extrusion device supports a bottom punch (1) and is of a cylindrical structure with a blind hole at the upper end; the bottom extrusion device product positioning sleeve (2) is of a cylindrical structure with a central hole; the bottom extrusion device is provided with an upper extrusion punch (3) which is of a cylindrical structure with a spherical head.
Further, the bottom extrusion device supports the bottom punch and comprises a base and a cylindrical structure at the upper end of the base.
Furthermore, the opening part of the blind hole of the bottom punch supported by the bottom extruding device is a cutting edge.
Further, the outer cylindrical surface of the product positioning sleeve of the extrusion device is knurled.
Further, the lower hemispherical surface of the upper punch 3 of the bottom extrusion device and the blind hole of the supporting bottom punch part of the extrusion device are extruded.
Has the beneficial effects that:
the utility model discloses a section of thick bamboo type bottom extrusion device product bottom shear frock can realize product bottom wall thickness extrusion attenuation processing, can not cause the damage to the product, adds the stability that can guarantee the wall thickness extrusion attenuation of product man-hour, and processingquality is high, has important popularization and application and worth.
Drawings
Fig. 1 is the utility model discloses a structural schematic diagram of a section of thick bamboo type bottom extrusion device frock.
The attached drawings are as follows: 1. the bottom extrusion device supports the bottom punch, 2, the bottom extrusion device product locating sleeve, 3, the bottom extrusion device upper punch, 4, the product.
Detailed Description
The utility model discloses a section of thick bamboo type product bottom extrusion device frock comprises following several parts: 1. the bottom extrusion device supports the bottom punch; 2. a bottom extrusion device product locating sleeve; 3. and extruding and punching on the bottom extruding device.
The extrusion device tooling is composed of a bottom shearing device supporting bottom punch, a bottom shearing device positioning sleeve and a bottom shearing device upper punch.
The bottom extrusion device supports the bottom punch to be of a cylindrical structure with a blind hole at the upper end, the diameter of the lower end of the bottom extrusion device supports the bottom punch base to be a phi 35mm cylinder, the height of the cylinder is 12mm, and the cylinder is in contact with the working table of a machine tool during machining; the upper end is a cylinder with the diameter of phi 6.2mm and the height of 33mm, and the outer cylindrical surface is contacted with the inner surface of the product during processing to play a role in positioning the product; the upper end face of the cylinder with the diameter of phi 6.2mm is provided with a blind hole with the depth of 10mm and the diameter of phi 5mm, the opening part of the blind hole is sharp, and the opening part is a cutting edge when a product is cut and processed.
The product positioning sleeve of the bottom extrusion device is of a cylindrical structure with a central hole, the lower end of the product positioning sleeve of the extrusion device is provided with a hole with the diameter of 9.5mm, the height of the product positioning sleeve is 8mm, and the product positioning sleeve plays a role of avoiding the opening part of a product; the product positioning sleeve of the extrusion device is a phi 7mm positioning through hole, the height of the product positioning sleeve is 35mm, and the inner surface of the product positioning sleeve is in contact with the outer surface of the product to play a positioning role during extrusion; the product positioning sleeve of the extrusion device is a cylinder with the diameter of 24mm, the height of the cylinder is 43mm, and the surface of the cylinder is knurled, so that the product positioning sleeve has an anti-skidding effect during work.
The upper extrusion punch of the bottom extrusion device is of a cylindrical structure with a spherical head, the lower end of the upper punch of the bottom extrusion device is of a semi-spherical surface with the radius of 3mm, and the semi-spherical surface with the radius of 3mm is extruded with a blind hole with a sharp mouth part with the diameter of phi 5mm, which is supported by the extrusion device, so that the bottom wall thickness of a product at the middle position is extruded and thinned; a cylinder with the diameter of 7.95mm is punched on the bottom extrusion device, the height of the cylinder is 20mm, and the cylinder plays a role in conducting pressure and avoiding the upper surface of the positioning sleeve during extrusion; the bottom extrusion device punches a cylinder with the diameter of 15mm, the height of the cylinder is 10mm, and the upper surface of the cylinder is in contact with the upper working surface of hydraulic equipment to play a role in conducting pressure.
Principle of the invention
A bottom extrusion device is adopted to support the bottom punching central hole and the bottom extrusion device to extrude the punching cambered surface, so that the bottoms of the similar parts form an annular concave surface, and the wall thickness of the annular concave surface part is thinned.
Working process
The product is arranged on a tool from the upper end of a bottom punch supported by a bottom extrusion device, a product positioning sleeve of the bottom extrusion device is sleeved on an extruded product, then the bottom extrusion device is arranged in a phi 7mm positioning hole of the product positioning sleeve of the bottom extrusion device, the product positioning sleeve is pushed into a positioning plate of a workbench of an oil press, the oil press is started, the upper punch of the bottom extrusion device slowly falls down, after the hemispherical surface of the upper punch head of the bottom extrusion device is extruded by a sharp blind hole of a phi 5mm opening of a bottom punch supporting base of the extrusion device, the bottom wall thickness of a cylinder product at an intermediate position is extruded and thinned, the oil press is closed, the product is taken out of a die, and the bottom wall thickness extrusion thinning processing of the cylinder product is finished.
Claims (9)
1. The tool for the bottom extrusion device of the cylinder part is characterized by comprising a bottom extrusion device supporting bottom punch (1), a bottom extrusion device product positioning sleeve (2) and a bottom extrusion device upper extrusion punch (3);
the bottom extrusion device supports a bottom punch (1) and is of a cylindrical structure with a blind hole at the upper end;
the bottom extrusion device product positioning sleeve (2) is of a cylindrical structure with a central hole;
the bottom extrusion device is provided with an upper extrusion punch (3) which is of a cylindrical structure with a spherical head.
2. The cylinder part bottom extrusion device tool according to claim 1, wherein the bottom extrusion device support bottom punch comprises a base and a cylindrical structure at the upper end of the base.
3. The cylinder part bottom extrusion device tool according to claim 1, wherein the opening of the blind hole of the bottom punch supported by the bottom extrusion device is a cutting edge.
4. The cylinder part bottom extrusion device tool according to claim 1, wherein the diameter of the lower end of the base is a cylinder with the diameter of 35mm, and the height is 12 mm; contacting with the working table of the machine tool during processing; the upper end is a cylinder with the diameter of phi 6.2mm and the height of 33mm, and the outer cylindrical surface is contacted with the inner surface of the product during processing; the upper end surface of the cylinder is provided with a blind hole with the depth of 10mm and the diameter of phi 5 mm.
5. The barrel part bottom extrusion device tooling of claim 1, wherein the extrusion device product locating sleeve has knurled outer cylindrical surface.
6. The cylinder part bottom extrusion device tooling of claim 1, wherein the extrusion device product positioning sleeve is internally provided with a stepped hole: the lower end of the hole is a hole with the diameter of 9.5mm, and the height of the hole is a straight opening with the diameter of 8 mm; the upper end of the positioning through hole is 7mm in diameter, the height of the positioning through hole is 35mm, and the inner surface of the positioning through hole is in contact with the outer surface of a product to play a role in positioning during extrusion.
7. The bottom extrusion device tool for cylinder parts according to claim 1, wherein the lower hemispherical surface of the upper extrusion punch (3) of the bottom extrusion device is extruded with the blind hole of the support bottom punch part of the extrusion device.
8. The bottom extrusion device tool for cylinder parts according to claim 1, wherein the radius of the lower end of the upper extrusion punch (3) of the bottom extrusion device is a 3mm hemispherical surface.
9. The barrel part bottom extrusion device tooling of claim 1, wherein the upper punch of the bottom extrusion device comprises a stepped cylinder; are cylinders with the diameter of 7.95mm and the height of 20mm, and cylinders with the diameter of 15mm and the height of 10mm respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096074.4U CN217044446U (en) | 2021-12-10 | 2021-12-10 | Bottom extrusion device tool for barrel parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123096074.4U CN217044446U (en) | 2021-12-10 | 2021-12-10 | Bottom extrusion device tool for barrel parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217044446U true CN217044446U (en) | 2022-07-26 |
Family
ID=82478334
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123096074.4U Active CN217044446U (en) | 2021-12-10 | 2021-12-10 | Bottom extrusion device tool for barrel parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217044446U (en) |
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2021
- 2021-12-10 CN CN202123096074.4U patent/CN217044446U/en active Active
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