CN210625906U - Medium-free pressure detection device of forming machine - Google Patents
Medium-free pressure detection device of forming machine Download PDFInfo
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- CN210625906U CN210625906U CN201921839132.8U CN201921839132U CN210625906U CN 210625906 U CN210625906 U CN 210625906U CN 201921839132 U CN201921839132 U CN 201921839132U CN 210625906 U CN210625906 U CN 210625906U
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Abstract
The utility model discloses a medium-free pressure detection device of a forming machine, which comprises a pressure-bearing lifting shaft, a punching head is arranged below the pressure-bearing lifting shaft, a cylinder is arranged in the punching head, a piston rod of the cylinder is connected with an upper T-shaped block, an installation cavity is arranged at one end of the pressure-bearing lifting shaft facing the stamping head, a pressure sensor is arranged in the installation cavity, a movable cavity is arranged in the stamping head, the cylinder body of the air cylinder is arranged in the movable cavity and is connected with the movable cavity in a sliding way, the cylinder body length of cylinder is less than the axial length of activity cavity, be provided with the connecting block between the top of cylinder and the pressure sensor, the top contact pressure sensor of connecting block, the bottom of connecting block extends into to the activity cavity in, the utility model discloses with pressure sensor embeds, make pressure sensor atress balanced, avoid the influence that operational environment temperature caused pressure precision, the degree of accuracy is higher.
Description
Technical Field
The utility model belongs to the make-up machine field, more specifically the no medium pressure measuring device who relates to a make-up machine that says so.
Background
With the advent of powder metallurgy forming technology, significant changes are made to the processing of some parts with complex structures. The cost and the period of processing and manufacturing are greatly reduced, the processing efficiency is improved, and the powder metallurgy forming process is realized by a powder metallurgy forming machine.
The molding machines need to know the pressure of product molding when pressing the product, so that each qualified molding machine needs a pressure display system. The pressure display system which is the mainstream in the market at present is of a hydraulic structure, adopts hydraulic oil as a medium, and determines the forming pressure by measuring the internal pressure of the oil cylinder. However, when the oil cylinder is used, the sealing ring is gradually aged, the oil leakage condition is inevitable, and oil stains easily pollute the environment; meanwhile, the oil temperature can influence the pressure display, so that the early-late temperature difference, the cold vehicle and the hot vehicle can influence the pressure display precision; in addition, in the process of filling oil into the oil cylinder, air can inevitably enter, and the influence on the pressure precision is larger.
SUMMERY OF THE UTILITY MODEL
The utility model provides a not enough to prior art, the utility model provides a with pressure sensor is built-in, make pressure sensor atress balanced, avoid the influence that operational environment temperature caused pressure precision, the higher make-up machine of the degree of accuracy does not have medium pressure detection device.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a no medium pressure measurement of make-up machine, includes the pressure-bearing lift axle, is provided with the punching press head below the pressure-bearing lift axle, is provided with the cylinder in the punching press head, and the piston rod of cylinder is connected with upper portion T type piece, the installation cavity has been seted up towards first one end of punching press to the pressure-bearing lift axle, is provided with pressure sensor in the installation cavity, be provided with movable cavity in the punching press head, the cylinder body of cylinder is adorned in movable cavity and sliding connection, the cylinder body length of cylinder is less than movable cavity's axial length, be provided with the connecting block between the top of cylinder and the pressure sensor, the top contact pressure sensor of connecting block, the bottom of connecting.
And further, a locking ring is arranged at the bottom end of the stamping head and used for preventing the air cylinder from falling out from the lower part of the stamping head.
Furthermore, a positioning plate is arranged at the top of the mounting cavity, and the pressure sensor is fixed on the positioning plate.
Furthermore, a connecting port is formed in the top end of the stamping head, the connecting block penetrates through the connecting port, and the diameter of the connecting port is smaller than that of the installation cavity and the movable cavity.
Furthermore, a wire outlet which is communicated with the mounting cavity and the outside is formed in the pressure-bearing lifting shaft.
Compared with the prior art, the beneficial effects of the utility model are that:
1. because the pressure is not displayed by a hydraulic system any longer, the risk of oil leakage is avoided;
2. the influence of the temperature of the working environment on the forming pressure precision is avoided, and the real-time pressure detection precision is improved;
3. the oil cylinder spot inspection and irregular oil supplement are cancelled, and the use and maintenance are convenient.
Drawings
Fig. 1 shows the pressure detecting device without medium of the forming machine of the present invention.
Reference numerals: 1. a pressure-bearing lift shaft; 11. installing a chamber; 12. a pressure sensor; 13. positioning a plate; 14. an outlet; 2. punching a head; 21. a movable chamber; 22. connecting blocks; 23. locking a ring; 3. a cylinder; 4. an upper T-shaped block.
Detailed Description
The embodiment of the dielectric-free pressure detecting device of the molding machine of the present invention is further described with reference to fig. 1.
In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.
Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.
The utility model provides a no medium pressure detection device of make-up machine, is provided with punching press head 2 including pressure-bearing lift axle 1, pressure-bearing lift axle 1 below, is provided with cylinder 3 in the punching press head 2, and the piston rod of cylinder 3 is connected with upper portion T type piece 4, installation cavity 11 has been seted up towards 2 one end of punching press head to pressure-bearing lift axle 1, is provided with pressure sensor 12 in the installation cavity 11, be provided with movable cavity 21 in the punching press head 2, the cylinder body of cylinder 3 is adorned in movable cavity 21 and sliding connection, the cylinder body length of cylinder 3 is less than the axial length of movable cavity 21, be provided with connecting block 22 between the top of cylinder 3 and pressure sensor 12, the top contact pressure sensor 12 of connecting block 22, the bottom of connecting block 22 extends into in the movable cavity.
In this embodiment, the pressure sensor 12, the connecting block 22 and the cylinder 3 are all located on the central axis of the pressure-bearing lifting shaft 1, so that the pressure sensor 12 is stressed uniformly.
As shown in fig. 1, when there is no load, the cylinder body of the cylinder 3 is located below the movable chamber 21, that is, the top end of the cylinder body of the cylinder 3 has a certain moving distance with the top of the installation chamber 11, in operation, the whole body moves downwards due to the pressure-bearing lifting shaft 1, the upper T-shaped block 4 is pressed upwards, the cylinder 3 presses the connecting block 22 and moves upwards slightly, the connecting block 22 transmits force to the pressure sensor 12, the pressure sensor 12 can directly and accurately detect the current forming pressure, the pressure detection of the pressure sensor 12 cannot be affected even when there is a temperature difference between different working conditions and the morning and evening, and the preferred pressure sensor 12 is a piezoresistive pressure sensor 12.
In the preferred embodiment, the bottom end of the punching head 2 is provided with a locking ring 23, the locking ring 23 is used for preventing the cylinder 3 from falling out from the lower part of the punching head 2, the inner diameter of the locking ring 23 is smaller than the outer diameter of the cylinder body of the cylinder 3, the cylinder body of the cylinder 3 is supported at the bottom end of the punching head 2, and the cylinder body of the cylinder 3 is enabled to move in the movable chamber 21.
In the preferred embodiment, the top of the mounting chamber 11 is provided with a positioning plate 13, and the pressure sensor 12 is fixed on the positioning plate 13, as shown in fig. 1, the positioning plate 13 is fixed on the pressure-bearing lift shaft 1 by screws, and the pressure sensor 12 is fixed on the positioning plate 13, so that the fixing position of the pressure sensor 12 is accurately located on the axis of the pressure-bearing lift shaft 1.
In this embodiment, a connection port is formed at the top end of the preferable stamping head 2, the connection block 22 penetrates through the connection port, the diameter of the connection port is smaller than the diameters of the installation cavity 11 and the movable cavity 21, the connection block 22 moves in the connection port, and only a small gap is left between the preferable connection block 22 and the connection port, so that the connection block 22 only has a moving space in the vertical direction.
In the preferred embodiment, the pressure-bearing lifting shaft 1 is provided with an outlet 14 for communicating the installation chamber 11 with the outside, and a signal line of the pressure sensor 12 penetrates out of the outlet 14.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The utility model provides a no medium pressure measurement of make-up machine, includes the pressure-bearing lift axle, pressure-bearing lift axle below is provided with the punching press head, is provided with the cylinder in the punching press head, and the piston rod of cylinder is connected with upper portion T type piece, its characterized in that: the pressure-bearing lifting shaft is provided with an installation cavity towards one end of the stamping head, a pressure sensor is arranged in the installation cavity, a movable cavity is arranged in the stamping head, a cylinder body of the cylinder is installed in the movable cavity and is in sliding connection, the length of the cylinder body of the cylinder is smaller than the axial length of the movable cavity, a connecting block is arranged between the top of the cylinder and the pressure sensor, the top end of the connecting block is in contact with the pressure sensor, and the bottom end of the connecting block extends into the movable cavity.
2. The media-free pressure detection device of a molding machine of claim 1, wherein: the bottom end of the stamping head is provided with a locking ring which is used for preventing the air cylinder from falling out from the lower part of the stamping head.
3. The media-free pressure detection device of a molding machine of claim 2, wherein: the top of the mounting cavity is provided with a positioning plate, and the pressure sensor is fixed on the positioning plate.
4. The media-free pressure detection device of a molding machine of claim 3, wherein: the top end of the punching head is provided with a connecting port, the connecting block penetrates through the connecting port, and the diameter of the connecting port is smaller than that of the mounting cavity and the movable cavity.
5. The media-free pressure detection device of a molding machine of claim 4, wherein: and the pressure-bearing lifting shaft is provided with a wire outlet which is communicated with the mounting cavity and the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839132.8U CN210625906U (en) | 2019-10-29 | 2019-10-29 | Medium-free pressure detection device of forming machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921839132.8U CN210625906U (en) | 2019-10-29 | 2019-10-29 | Medium-free pressure detection device of forming machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210625906U true CN210625906U (en) | 2020-05-26 |
Family
ID=70749414
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921839132.8U Active CN210625906U (en) | 2019-10-29 | 2019-10-29 | Medium-free pressure detection device of forming machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210625906U (en) |
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2019
- 2019-10-29 CN CN201921839132.8U patent/CN210625906U/en active Active
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