CN215617658U - Hydraulically-driven three-jaw clamping table - Google Patents
Hydraulically-driven three-jaw clamping table Download PDFInfo
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- CN215617658U CN215617658U CN202122360643.5U CN202122360643U CN215617658U CN 215617658 U CN215617658 U CN 215617658U CN 202122360643 U CN202122360643 U CN 202122360643U CN 215617658 U CN215617658 U CN 215617658U
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Abstract
The utility model belongs to the technical field of pressure testing, and discloses a hydraulically-driven three-jaw clamping table which comprises a workbench surface and a fixing device, wherein the fixing device comprises a first mounting plate, a second mounting plate, a third mounting plate, a positioning hydraulic cylinder and two connecting mechanisms, the positioning hydraulic cylinder is fixed on the workbench surface and is connected with the first mounting plate, the first mounting plate is respectively connected with the second mounting plate and the third mounting plate through the two connecting mechanisms, the first mounting plate, the second mounting plate and the third mounting plate are respectively provided with a fixing hydraulic cylinder, the output end of the fixing hydraulic cylinder is provided with a clamping jaw, and the clamping jaw is used for pressing a piece to be tested on the workbench surface. The utility model has the beneficial effects that: the device has the advantages of simple structure, good sealing performance, capability of meeting the requirements of different valve sizes and different test pressures, capability of carrying out pressure test on the valves of various models, and improvement on the working efficiency and the safety.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to the technical field of pressure testing, in particular to a hydraulically-driven three-jaw clamping table.
[ background of the utility model ]
Various valve manufacturers need to perform pressure test on the produced products, the products can be safely delivered after the performance test is qualified, and various valve detection and authentication mechanisms and safety valve metering mechanisms need to perform third-party test and safety valve verification on the valves and issue detection qualified certificates. The traditional operation method is that a worker installs a valve flange bolt connection, so that the efficiency is low and the danger is high. Along with the development of mechanization, automation equipment plays more and more important role in enterprise production, and automation equipment machining efficiency is high, product precision is high, and can greatly reduced the damage that the production process caused the people. Therefore, it is necessary to provide a hydraulic clamping table, which can mount the valve to be tested on the testing device, has good sealing performance, can accurately test the valve to be tested, can meet the requirements of different valve sizes and different testing pressures, and can perform pressure testing on valves of various models, thereby improving the working efficiency and providing safety.
[ Utility model ] content
The utility model discloses a hydraulically-driven three-jaw clamping table, which can effectively solve the technical problems related to the background technology.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
a hydraulically-driven three-jaw clamping table is used for pressure testing of a piece to be tested and comprises a working table surface and a fixing device assembled on the working table surface, wherein a testing hole is formed in the working table surface, the piece to be tested is connected with external testing equipment through the testing hole, and the fixing device is used for fixedly connecting the piece to be tested and the working table surface;
the fixing device comprises a first mounting plate, a second mounting plate, a third mounting plate, a positioning hydraulic cylinder and two connecting mechanisms, the first mounting plate, the second mounting plate and the third mounting plate are movably assembled on the worktable surface, the positioning hydraulic cylinder is fixed on the worktable surface and connected with the first mounting plate, the first mounting plate is connected with the second mounting plate and the third mounting plate through two connecting mechanisms respectively so as to drive the second mounting plate and the third mounting plate to move, the connecting mechanisms comprise a rotary rod, a push rod and a fixed shaft pin, one end of the rotary rod is hinged with the first mounting plate, the other end is hinged with one end of the push rod, the other end of the push rod is hinged with the second mounting plate or the third mounting plate, the rotary rod is fixed on the worktable surface through the fixed shaft pin, first mounting panel the second mounting panel with all be equipped with a fixed pneumatic cylinder on the third mounting panel, fixed pneumatic cylinder's output all is equipped with a clamping jaw, the hydraulic cylinder drive of positioning first mounting panel removes in order to drive threely the clamping jaw is close to the piece that awaits measuring, fixed pneumatic cylinder drive the clamping jaw removes in order to incite somebody to action the piece that awaits measuring compresses tightly in table surface is last.
As a preferred improvement of the present invention: the three guide rails are arranged on the working table surface, and the first mounting plate, the second mounting plate and the third mounting plate are movably assembled on the guide rails in a one-to-one correspondence mode.
As a preferred improvement of the present invention: the three guide rails are uniformly distributed along the circumferential direction of the working table surface.
As a preferred improvement of the present invention: the rotary rod is V-shaped.
As a preferred improvement of the present invention: the three-jaw clamping table further comprises a sealing disc, and the piece to be tested is connected with the testing hole through the sealing disc.
As a preferred improvement of the present invention: the number of the sealing discs is multiple, and the sealing discs correspond to the pieces to be detected in different models one by one.
As a preferred improvement of the present invention: the three-jaw clamping table further comprises a hydraulic station for driving the positioning hydraulic cylinder and the fixing hydraulic cylinder.
As a preferred improvement of the present invention: the hydraulic station comprises a liquid storage box, a hydraulic pump, a pressure gauge, an overflow valve, a first electromagnetic directional valve and a second electromagnetic directional valve, the liquid storage box is connected with the hydraulic pump, the hydraulic pump is respectively connected with the overflow valve, the first electromagnetic directional valve and the second electromagnetic directional valve, the pressure gauge is used for detecting the pressure at the outlet end of the hydraulic pump, the first electromagnetic directional valve is connected with the positioning hydraulic cylinder, and the second electromagnetic directional valve is respectively connected with the fixed hydraulic cylinder.
As a preferred improvement of the present invention: the liquid stored in the liquid storage tank is oil.
As a preferred improvement of the present invention: the position-adjusting hydraulic cylinder is connected with the liquid storage tank through the first electromagnetic directional valve, and the fixed hydraulic cylinder is connected with the liquid storage tank through the second electromagnetic directional valve.
The utility model has the following beneficial effects:
the device is simple in structure and good in sealing performance, can accurately test the to-be-tested piece, can meet the requirements of different valve sizes and different test pressures, carries out pressure test on the valves of various models, and improves the working efficiency and the safety.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:
FIG. 1 is a schematic view of a hydraulically driven three-jaw clamping table of the present invention;
FIG. 2 is a schematic view of a test well according to the present invention;
FIG. 3 is a schematic view of a fixing device according to the present invention;
FIG. 4 is a schematic view of another perspective of the fixing device of the present invention;
FIG. 5 is a schematic view of a device under test according to the present invention;
FIG. 6 is a schematic view of a seal disk configuration of the present invention;
fig. 7 is a schematic diagram of the hydraulic station connection of the present invention.
In the figure: 1-a working table surface, 11-a test hole, 2-a fixing device, 211-a first mounting plate, 212-a second mounting plate, 213-a third mounting plate, 220-a positioning hydraulic cylinder, 230-a connecting mechanism, 231-a rotating rod, 232-a push rod, 233-a fixing shaft pin, 240-a fixing hydraulic cylinder, 250-a clamping jaw, 260-a guide rail, 3-a to-be-detected piece, 31-a clamping groove, 4-a sealing disc, 41-an O-shaped ring, 501-a liquid storage tank, 502-a hydraulic pump, 503-a pressure gauge, 504-an overflow valve, 505-a first electromagnetic directional valve and 506-a second electromagnetic directional valve.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.
In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1-2, the utility model provides a hydraulically-driven three-jaw clamping table for pressure testing of a to-be-tested object 3, which includes a working table 1 and a fixing device 2 assembled on the working table 1, wherein the working table 1 is provided with a testing hole 11, the to-be-tested object 3 is connected with an external testing device through the testing hole 11, and the fixing device 2 is used for fixedly connecting the to-be-tested object 3 with the working table 1. Specifically, the manual work will the piece 3 that awaits measuring is placed on table surface 1, the piece 3 that awaits measuring (being the valve) with test hole 11 intercommunication, fixing device 2 extrudees downwards the piece 3 that awaits measuring compresses tightly it in table surface 1 is last, just so can be right the piece 3 that awaits measuring carries out pressure test. Set up fixing device 2 does not just need the manual work to fix through modes such as bolt waiting to test piece 3, can reduce the manpower consumption, and can improve work efficiency, realizes fast the clamp of waiting to test piece 3 is tight or is loosened.
Referring to fig. 3-5, the fixing device 2 includes a first mounting plate 211, a second mounting plate 212, a third mounting plate 213, a positioning hydraulic cylinder 220 and two connecting mechanisms 230, the first mounting plate 211, the second mounting plate 212 and the third mounting plate 213 are movably mounted on the working platform 1, the positioning hydraulic cylinder 220 is fixed on the working platform 1 and connected to the first mounting plate 211, the first mounting plate 211 is respectively connected to the second mounting plate 212 and the third mounting plate 213 through the two connecting mechanisms 230 to drive the second mounting plate 212 and the third mounting plate 213 to move, the connecting mechanisms 230 include a rotating rod 231, a pushing rod 232 and a fixed shaft pin, one end of the rotating rod 231 is hinged to the first mounting plate 211, and the other opposite end is hinged to one end of the pushing rod 232, the other end of push rod 232 with second mounting panel 212 or third mounting panel 213 is articulated, rotary rod 231 passes through fixed pivot 233 fixes on table surface 1, first mounting panel 211 second mounting panel 212 with all be equipped with fixed pneumatic cylinder 240 on the third mounting panel 213, the output of fixed pneumatic cylinder 240 all is equipped with clamping jaw 250, the drive of positioning pneumatic cylinder 220 first mounting panel 211 removes in order to drive clamping jaw 250 is close to await measuring 3, fixed pneumatic cylinder 240 drives clamping jaw 250 removes in order to incite somebody to action await measuring 3 compress tightly in table surface 1 is last. Specifically, the positioning hydraulic cylinder 220 drives the first mounting plate 211 to move, and the second mounting plate 212 and the third mounting plate 213 also move synchronously under the action of the connecting mechanism 230. The positioning hydraulic cylinder 220 drives the first mounting plate 211 to move, so as to drive the rotating rod 231 to rotate around the fixed shaft pin 233 in situ, and the rotating rod 231 rotates to drive the push rod 232 to move, so that the second mounting plate 212 and the third mounting plate 213 can move synchronously with the first mounting plate 211. The first mounting plate 211, the second mounting plate 212 and the third mounting plate 213 move, so that the positions of the clamping jaws 250 are changed, and the three clamping jaws 250 approach to the piece to be measured 3 positioned at the center of the clamping jaws 250. The calibers of the pieces to be tested 3 are different, and the moving distances of the clamping jaws 250 are different, so that the clamping jaws 250 can be inserted into the clamping grooves 31 of the pieces to be tested 3. Then, the three fixed hydraulic cylinders 240 simultaneously drive the clamping jaws 250 to move downwards, so that the to-be-tested piece 3 is pressed on the working table surface 1, and the to-be-tested piece 3 is hermetically connected with the testing hole 11. The number of the clamping jaws 250 is three, and the 3 different positions of the piece to be tested are pressed, so that the piece to be tested 3 and the testing hole 11 can be connected more tightly. According to different test requirements, the acting force of the fixed hydraulic cylinder 240 on the clamping jaw 250 is different, so that the test on different pressure levels is realized. It should be further noted that other components may be employed to achieve the above-mentioned effects, which are within the inventive concept of the present invention and are within the scope of the present invention. Preferably, the rotating rod 231 has a V-shape, and the fixing shaft pin 233 is hinged to the center of the rotating rod 231. Two fixture blocks are fixed on the working table surface 1, each fixture block is provided with a groove, the push rod 232 is assembled in the grooves, the moving direction of the push rod 232 is limited, and the second mounting plate 212 and the third mounting plate 213 can move more stably.
Three guide rails 260 are arranged on the working table surface 1, and the first mounting plate 211, the second mounting plate 212 and the third mounting plate 213 are movably assembled on the guide rails 260 in a one-to-one correspondence manner. The guide rail 260 may limit the moving direction of the first mounting plate 211, the second mounting plate 212, and the third mounting plate 213 to accurately move to the position of the device under test 3. The three guide rails 260 are uniformly distributed along the circumferential direction of the working table top 1, so that the force applied to the to-be-tested part 3 is more uniform, and the stability of the pressure test can be better ensured.
Referring to fig. 6, the three-jaw clamping table further includes a plurality of sealing discs 4, the to-be-tested pieces 3 are connected to the testing holes 11 through the sealing discs 4, the number of the sealing discs 4 is multiple, the sealing discs correspond to the to-be-tested pieces 3 of different models one by one, and a plurality of O-rings 41 are arranged on the sealing discs 4. The seal disk 4 can make the connection between the test piece 3 and the test hole 11 more airtight.
Referring to fig. 7, the three-jaw clamping table further includes a hydraulic station for driving the positioning hydraulic cylinder 220 and the fixing hydraulic cylinder 240. The hydraulic station comprises a liquid storage tank 501, a hydraulic pump 502, a pressure gauge 503, an overflow valve 504, a first electromagnetic directional valve 505 and a second electromagnetic directional valve 506, wherein the pressure gauge 503 is used for detecting the pressure at the outlet end of the hydraulic pump 502, the liquid storage tank 501 is connected with the hydraulic pump 502, the hydraulic pump 502 is respectively connected with the overflow valve 504, the first electromagnetic directional valve 505 and the second electromagnetic directional valve 506, the first electromagnetic directional valve 505 is connected with the positioning hydraulic cylinder 220, and the second electromagnetic directional valve 506 is respectively connected with the fixed hydraulic cylinder 240. The positioning hydraulic cylinder 220 is connected to the liquid storage tank 501 through the first electromagnetic directional valve 505, and the fixed hydraulic cylinder 240 is connected to the liquid storage tank 501 through the second electromagnetic directional valve 506. In this embodiment, the liquid stored in the liquid storage tank 501 is oil.
Specifically, oil is added into the liquid storage tank 501, and the flow direction of the oil includes the following three loops: 1) the liquid storage tank 501, the hydraulic pump 502, the relief valve 504, and the liquid storage tank 501. 2) The liquid storage tank 501, the hydraulic pump 502, the first electromagnetic directional valve 505, the positioning hydraulic cylinder 220, the first electromagnetic directional valve 505, and the liquid storage tank 501. 3) The liquid storage tank 501, the hydraulic pump 502, the second electromagnetic directional valve 506, the fixed hydraulic cylinder 240, the second electromagnetic directional valve 506, and the liquid storage tank 501. The overflow valve 504 is adjusted to generate pressure in the connecting pipeline, and the pressure is displayed by the pressure gauge 503. Firstly, the size of the caliber of the to-be-measured part 3 is adjusted, and the first electromagnetic directional valve 505 is controlled to output pressure to drive the positioning hydraulic cylinder 220. The fixed hydraulic cylinder 240 is then driven by controlling the output pressure of the second electromagnetic directional valve 506.
The working principle is as follows: the operation of the positioning hydraulic cylinder 220 and the fixed hydraulic cylinder 240 is driven by the hydraulic station.
Manually placing the piece to be tested 3 and the corresponding sealing disc 4 on the testing hole 11. The positioning hydraulic cylinder 220 operates, and the three clamping jaws 250 approach to the piece to be tested 3, so that the clamping jaws 250 are inserted into the clamping grooves 31. The fixed hydraulic cylinder 240 operates, and the three clamping jaws 250 move downwards to press the piece to be tested 3 on the working table surface 1. And carrying out pressure test on the piece to be tested 3 through external test equipment. After the test is completed, the clamping jaw 250 is restored to the original position, and the to-be-tested piece 3 and the sealing disc 4 are taken down.
While embodiments of the utility model have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.
Claims (10)
1. A hydraulically driven three-jaw clamping table for pressure testing of a piece (3) to be tested, characterized in that: the device comprises a working table top (1) and a fixing device (2) assembled on the working table top (1), wherein a test hole (11) is formed in the working table top (1), a piece to be tested (3) is connected with external test equipment through the test hole (11), and the fixing device (2) is used for fixedly connecting the piece to be tested (3) with the working table top (1);
the fixing device (2) comprises a first mounting plate (211), a second mounting plate (212), a third mounting plate (213), a positioning hydraulic cylinder (220) and two connecting mechanisms (230), the first mounting plate (211), the second mounting plate (212) and the third mounting plate (213) are movably assembled on the working table top (1), the positioning hydraulic cylinder (220) is fixed on the working table top (1) and connected with the first mounting plate (211), the first mounting plate (211) is respectively connected with the second mounting plate (212) and the third mounting plate (213) through the two connecting mechanisms (230) so as to drive the second mounting plate (212) and the third mounting plate (213) to move, the connecting mechanisms (230) comprise rotating rods (231), push rods (232) and fixed shaft pins (233), one end of the rotating rods (231) is hinged with the first mounting plate (211), the relative other end with the one end of push rod (232) is articulated, the other end of push rod (232) with second mounting panel (212) or third mounting panel (213) are articulated, rotary rod (231) pass through fixed pivot (233) are fixed on table surface (1), first mounting panel (211) second mounting panel (212) with all be equipped with one fixed pneumatic cylinder (240) on third mounting panel (213), the output of fixed pneumatic cylinder (240) all is equipped with one clamping jaw (250), positioning pneumatic cylinder (220) drive first mounting panel (211) remove in order to drive three clamping jaw (250) are close to await measuring piece (3), fixed pneumatic cylinder (240) drive clamping jaw (250) remove in order to incite somebody to action await measuring piece (3) compress tightly in table surface (1) is last.
2. A hydraulically driven three-jaw clamping table according to claim 1, wherein: three guide rails (260) are arranged on the working table top (1), and the first mounting plate (211), the second mounting plate (212) and the third mounting plate (213) are movably assembled on the guide rails (260) in a one-to-one correspondence mode.
3. A hydraulically driven three-jaw clamping table according to claim 2, wherein: the three guide rails (260) are uniformly distributed along the circumferential direction of the working table top (1).
4. A hydraulically driven three-jaw clamping table according to claim 1, wherein: the rotating rod (231) is V-shaped.
5. A hydraulically driven three-jaw clamping table according to claim 1, wherein: the three-jaw clamping table further comprises a sealing disc (4), and the piece to be tested (3) passes through the sealing disc (4) and the test hole (11) are connected.
6. A hydraulically driven three-jaw clamping table according to claim 5, wherein: the number of the sealing discs (4) is multiple, and the sealing discs correspond to the to-be-detected pieces (3) of different models one by one.
7. A hydraulically driven three-jaw clamping table according to claim 1, wherein: the three-jaw clamping table further comprises a hydraulic station for driving the positioning hydraulic cylinder (220) and the fixing hydraulic cylinder (240).
8. A hydraulically driven three-jaw clamping table according to claim 7, wherein: the hydraulic station comprises a liquid storage tank (501), a hydraulic pump (502), a pressure gauge (503), an overflow valve (504), a first electromagnetic directional valve (505) and a second electromagnetic directional valve (506), the liquid storage tank (501) is connected with the hydraulic pump (502), the hydraulic pump (502) is respectively connected with the overflow valve (504), the first electromagnetic directional valve (505) and the second electromagnetic directional valve (506), the pressure gauge (503) is used for detecting the pressure at the outlet end of the hydraulic pump (502), the first electromagnetic directional valve (505) is connected with the position-adjusting hydraulic cylinder (220), and the second electromagnetic directional valve (506) is respectively connected with the fixed hydraulic cylinder (240).
9. A hydraulically driven three-jaw clamping table according to claim 8, wherein: the liquid stored in the liquid storage tank (501) is oil.
10. A hydraulically driven three-jaw clamping table according to claim 8, wherein: the positioning hydraulic cylinder (220) is connected with the liquid storage tank (501) through the first electromagnetic directional valve (505), and the fixed hydraulic cylinder (240) is connected with the liquid storage tank (501) through the second electromagnetic directional valve (506).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122360643.5U CN215617658U (en) | 2021-09-28 | 2021-09-28 | Hydraulically-driven three-jaw clamping table |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122360643.5U CN215617658U (en) | 2021-09-28 | 2021-09-28 | Hydraulically-driven three-jaw clamping table |
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| CN215617658U true CN215617658U (en) | 2022-01-25 |
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| CN202122360643.5U Active CN215617658U (en) | 2021-09-28 | 2021-09-28 | Hydraulically-driven three-jaw clamping table |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646814A (en) * | 2024-01-29 | 2024-03-05 | 烟台万通阀门有限公司 | Angle type stop check valve structure and test equipment |
-
2021
- 2021-09-28 CN CN202122360643.5U patent/CN215617658U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117646814A (en) * | 2024-01-29 | 2024-03-05 | 烟台万通阀门有限公司 | Angle type stop check valve structure and test equipment |
| CN117646814B (en) * | 2024-01-29 | 2024-04-30 | 烟台万通阀门有限公司 | Angle type stop check valve structure and test equipment |
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