CN220902610U - Hydrogen pump body bearing hole processing frock - Google Patents
Hydrogen pump body bearing hole processing frock Download PDFInfo
- Publication number
- CN220902610U CN220902610U CN202322438032.7U CN202322438032U CN220902610U CN 220902610 U CN220902610 U CN 220902610U CN 202322438032 U CN202322438032 U CN 202322438032U CN 220902610 U CN220902610 U CN 220902610U
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- pump body
- pressing
- telescopic cylinder
- movable clamping
- telescopic
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- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims abstract description 24
- 239000001257 hydrogen Substances 0.000 title claims abstract description 22
- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 57
- 230000006835 compression Effects 0.000 claims abstract description 22
- 238000007906 compression Methods 0.000 claims abstract description 22
- 238000003754 machining Methods 0.000 claims description 13
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Machine Tool Units (AREA)
Abstract
The application relates to a processing tool for a bearing hole of a pump body of a hydrogen pump, which belongs to the field of pump body tools and comprises a first upper pressing mechanism, a second pressing mechanism and a second pressing mechanism, wherein the first upper pressing mechanism comprises a first pressing block, the first pressing block is connected to a workbench through a connecting rod, the upper end of the connecting rod is hinged with the first pressing block, the lower end of the connecting rod is hinged with the workbench, one end of the first pressing block is hinged with a telescopic rod of a first telescopic cylinder arranged on the workbench, the other end of the first pressing block is a pressing end, and the distance between the connecting rod and the first telescopic cylinder at the hinge position of the first pressing block is larger than the distance between the connecting rod and the pressing end at the hinge position of the first pressing block; the pump body is clamped through the processing tool, the limitation of 6 degrees of freedom of the pump body is realized, the clamping and positioning are complete, meanwhile, the first compression block of the first compression mechanism forms a lever compression principle, the compression force on the pump body is amplified through the first compression block by the small force of the first telescopic cylinder, and then the load and the energy consumption of the first compression cylinder are reduced.
Description
Technical Field
The utility model belongs to the field of pump body tools, and particularly relates to a pump body bearing hole machining tool for a hydrogen pump.
Background
A hydrogen pump is a device used to transport and store hydrogen gas, and its primary function is to transfer hydrogen gas from one location to another. Are commonly used in a variety of industrial processes and applications, such as in the field of hydrogen fuel cells. The pump body is an indispensable component of the hydrogen pump, the bearing hole is arranged on the pump body and is a rotating shaft for installing the hydrogen pump, however, the bearing hole is required to finish machining the pump body after casting, the pump body of the hydrogen pump is required to be clamped and fixed in the finish machining process, the current fixing mode is generally to arrange a plurality of clamping plates on a workbench, the clamping plates are driven by an air cylinder, a hydraulic cylinder or a screw rod to clamp the pump body, the clamping effect of the direct clamping mode is general, and particularly the direct clamping mode cannot play a role of amplifying the clamping force while clamping, so that the load and the energy consumption of the air cylinder and the oil cylinder are reduced.
Disclosure of utility model
The existing clamping tool for the pump body of the hydrogen pump is characterized in that a plurality of clamping plates are arranged on a workbench, the clamping plates are driven by a driving piece to directly clamp the pump body, the clamping mode is general in fixing effect, particularly, the clamping mode plays a role in amplifying clamping force when clamping, and further, the load and energy consumption of a cylinder and an oil cylinder are reduced.
The utility model provides a hydrogen pump body bearing hole processing frock, comprises a workbench, be equipped with fixed clamping mechanism and movable clamping mechanism on the workstation, fixed clamping mechanism and movable clamping mechanism are equipped with on the workstation still that first last hold-down mechanism and second go up hold-down mechanism in first direction horizontal symmetry, hold-down mechanism and second go up hold-down mechanism in the second direction horizontal setting, first direction and second direction are mutually perpendicular's direction, first hold-down mechanism includes first compact heap, first compact heap passes through the connecting rod to be connected in the workstation, the connecting rod upper end is articulated with first compact heap, the lower extreme articulates in the workstation, first compact heap one end is articulated with the telescopic link of the first telescopic cylinder that sets up on the workstation, the other end of first compact heap is the hold-down, the connecting rod is greater than the connecting rod in the distance between the articulated department of first compact heap and the hold-down end in the articulated department of first compact heap with the distance of first telescopic cylinder.
Preferably, two connecting rods are arranged and are symmetrically connected to two side surfaces of the first compression block.
Preferably, the second upper pressing mechanism comprises two pressing assemblies, the two pressing assemblies are arranged at intervals in the first direction, each pressing assembly comprises a second telescopic cylinder, the telescopic rod end of the second telescopic cylinder is connected with a second pressing block, and the second pressing block is perpendicular to the telescopic rod.
Preferably, the fixed clamping mechanism comprises an installation table, a fixed clamping plate is arranged at the top end of the installation table, and the fixed clamping plate is in a V shape.
Preferably, the movable clamping mechanism comprises a supporting plate, the supporting plate is vertically arranged on the workbench, a third telescopic cylinder is arranged on the supporting plate, a telescopic rod end of the third telescopic cylinder is connected with a movable clamping plate, a clamping surface of the movable clamping plate is an arc surface, a supporting seat is arranged on one side of a telescopic rod of the supporting plate, which is located on the third telescopic cylinder, and the supporting seat is provided with a guide groove, and the movable clamping plate can move in the guide groove.
Preferably, the end face of the movable clamping plate connected with the third telescopic cylinder is provided with a stepped groove, the inner groove size of the stepped groove is larger than the outer groove size, the stepped groove extends to the upper end face and the lower end face of the movable clamping plate respectively, the telescopic rod end of the third telescopic cylinder is provided with two annular baffles along the axial interval of the telescopic rod end, one annular baffle is located in the inner groove of the stepped groove, and the other annular baffle is located on the end face of the movable clamping plate.
Preferably, a cover plate is arranged above the corresponding guide groove of the supporting seat.
Preferably, the position of the workbench, corresponding to the position where the pump body is placed, is provided with a plurality of support pins, and the support pins are used for supporting the end face of the pump body.
According to the utility model, the pump body is clamped through the processing tool, the limitation of 6 degrees of freedom of the pump body is realized, the clamping and positioning are reliable, meanwhile, the first compression block of the first compression mechanism forms a lever compression principle, and the compression force of the first compression cylinder on the pump body is amplified through the first compression block by the smaller force of the first telescopic cylinder, so that the load and the energy consumption of the first compression cylinder are reduced.
Drawings
FIG. 1 is a perspective view of the present utility model;
FIG. 2 is a block diagram of the movable clamping mechanism with the cover plate removed;
Fig. 3 is a state diagram of the present utility model after clamping the pump body.
In the figure, 1, a workbench, 2, a movable clamping mechanism, 3, a second upper pressing mechanism, 4, a fixed clamping mechanism, 5, a first upper pressing mechanism, 6, a supporting pin, 7 and a pump body;
201. Cover plate, 202, support plate, 203, third telescopic cylinder, 204, movable clamp plate, 205, guide groove, 206, step groove, 207, annular baffle;
301. the second telescopic cylinder 302 is provided with a second compression block;
401. a fixed clamping plate, 402, a mounting table;
501. first compact heap 502, connecting rod, 503, telescopic link, 504, first telescopic cylinder.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present utility model will be described in detail below with reference to the following detailed description and the accompanying drawings.
In addition, in the description of the present invention, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
As shown in figures 1-3, the machining tool for the bearing holes of the pump body of the hydrogen pump comprises a square workbench 1, wherein a fixed clamping mechanism 4 and a movable clamping mechanism 2 are arranged on the upper surface of the square workbench 1, the fixed clamping mechanism 4 and the movable clamping mechanism 2 are symmetrically arranged in the left-right direction, a first upper pressing mechanism 5 and a second upper pressing mechanism 3 are further arranged on the workbench 1, the first upper pressing mechanism 5 and the second upper pressing mechanism 3 are arranged in the front-back direction, the first direction and the second direction are mutually perpendicular, the space between the fixed clamping mechanism 4, the movable clamping mechanism 2, the first upper pressing mechanism 5 and the second upper pressing mechanism 3 is used for placing a pump body 7 of the hydrogen pump, after the pump body 7 is placed on the workbench 1, 6-degree-of-freedom limitation is realized on the pump body 7 by the upper pressing mechanism and the clamping mechanism, complete limiting, the fixing is reliable, and the machining quality is stable.
The structure of the first upper pressing mechanism 5 specifically includes a first pressing block 501, the first pressing block 501 is connected to the workbench 1 through a connecting rod 502, the upper end of the specific connecting rod 502 is hinged to the first pressing block 501, the lower end of the specific connecting rod 502 is hinged to the workbench 1, one end of the first pressing block 501 is hinged to a telescopic rod 504 of a first telescopic cylinder 504 arranged on the workbench 1, a cylinder body is fixed to the workbench 1, the other end of the first pressing block 501 is a pressing end, and the vertical distance between the hinge position of the connecting rod 502 and the first telescopic cylinder 504 of the first pressing block 501 is greater than the vertical distance between the hinge position of the connecting rod 502 and the pressing end of the first pressing block 501. Thus, the first compression block 501 transmits the compression force according to the lever principle, namely, the telescopic rod 504 of the first telescopic cylinder 504 extends out, the first compression block 501 is tilted at the end, the other end is pressed down on the pump body 7, the first telescopic cylinder 504 can be amplified at the compression end with smaller acting force according to the lever principle, the compression force is improved, and the load and the power consumption of the first compression cylinder can be reduced to a certain extent.
Further, because the connecting rod is a fulcrum of the first pressing block 501, the force is greater at the point, and in order to improve the connection strength at the point, two connecting rods 502 are provided, and the two connecting rods 502 are symmetrically connected to two side surfaces of the first pressing block 501.
Further, the structure of the second upper pressing mechanism 3 specifically includes two pressing components, so that the two pressing components are arranged to match the shape of the housing of the hydrogen pump, the two pressing components are arranged at intervals in the first direction, each pressing component includes a second telescopic cylinder 301, the telescopic rod end of the second telescopic cylinder 301 is connected with a second pressing block 302, the second pressing block 302 is arranged vertically by a telescopic rod, the second pressing block 302 is pulled down by the second telescopic cylinder 301, and the other end of the second pressing block 302 forms a downward bending moment to press the pump body 7, and the second pressing block 302 is matched with the first pressing block 501 to avoid upward movement of the pump body 7.
Further, the fixing and clamping mechanism 4 comprises an installation table 402, a fixing clamp plate 401 is arranged at the top end of the installation table 402, the fixing clamp plate 401 is of a V shape, the contact area between the fixing clamp plate 401 and the shell of the pump body 7 can be increased by the V-shaped fixing clamp plate 401, clamping stress is reduced, and meanwhile, the V shape can not only limit the pump body 7 in the left-right direction, but also limit the pump body in the front-back direction.
Further, the structure of the movable clamping mechanism 2 specifically includes a support plate 202, the support plate 202 is vertically disposed at the edge of the left side surface of the workbench 1, a third telescopic cylinder 203 is disposed on the support plate 202, a telescopic rod end of the third telescopic cylinder 203 is connected with a movable clamping plate 204, a clamping surface of the movable clamping plate 204 is an arc surface, the arc surface still can increase the contact area with the pump body 7, the clamping stress at the arc surface is reduced, and meanwhile, the movable clamping plate is matched with a V-shaped fixed clamping plate 401 to limit the front and rear direction of the pump body 7, a cuboid support seat is disposed on the workbench 1 on the right side of the support plate 202, a rectangular guide groove 205 is formed in the upper surface of the support seat, and the movable clamping plate 204 can move in the guide groove 205. The purpose of the support base is to increase the friction of the telescopic rod in the cylinder and accelerate the damage of the telescopic rod or the cylinder because the movable clamping plate 204 is larger and can cause the telescopic rod to swing downwards at the end due to the fact that the movable clamping plate is suspended on the telescopic rod.
The first, second, and third expansion cylinders 504, 301, and 203 may be electric cylinders, air cylinders, oil cylinders, or the like.
Further, for how the telescopic rod is connected with the movable clamping plate 204, specifically, a stepped groove 206 is formed on the end face where the movable clamping plate 204 is connected with the third telescopic cylinder 203, the inner groove size of the stepped groove 206 is larger than the outer groove size, the inner groove is a groove close to the right side in the drawing, the outer groove is a groove close to the left side, the stepped groove 206 extends to the upper end face and the lower end face of the movable clamping plate 204 respectively, two annular baffles 207 are arranged at the axial intervals of the telescopic rod end of the third telescopic cylinder 203, one annular baffle 207 is located in the inner groove of the stepped groove 206, and the other annular baffle 207 is located on the end face of the movable clamping plate 204, so that the connection mode can realize rapid installation and disassembly of the third telescopic cylinder 203 and the movable clamping plate 204 on the basis of guaranteeing power transmission.
Further, in order to prevent the annular shutter 207 from being separated or partially separated from the upper end surface of the movable clamp plate 204, a cover 201 is provided above the corresponding guide groove 205 of the support base, and the cover 201 can limit the upward movement of the annular shutter 207.
Further, the position of the workbench 1 corresponding to the pump body 7 is provided with four supporting pins 6, the four supporting pins 6 are distributed on the workbench 1 at intervals, the four supporting pins 6 are used for supporting the end face of the pump body 7, and the purpose of the supporting pins 6 is to prevent the uneven placement of the pump body 7 caused by the uneven phenomenon of the workbench 1 in case of affecting the machining precision.
The above embodiments are not to be taken as limiting the scope of the utility model, and any alternatives or modifications to the embodiments of the utility model will be apparent to those skilled in the art and fall within the scope of the utility model.
The present utility model is not described in detail in the present application, and is well known to those skilled in the art.
Claims (8)
1. The utility model provides a hydrogen pump body bearing hole processing frock, its characterized in that, includes the workstation, be equipped with fixed clamping mechanism and movable clamping mechanism on the workstation, fixed clamping mechanism with movable clamping mechanism sets up in the horizontal symmetry of first direction, still be equipped with hold-down mechanism and second on the workstation on the first hold-down mechanism, first hold-down mechanism with hold-down mechanism sets up in the second direction level on the second, first direction and second direction are mutually perpendicular's direction, hold-down mechanism includes first compact heap on the first, first compact heap passes through the connecting rod to be connected in the workstation, the connecting rod upper end with first compact heap articulates, the lower extreme articulates in the workstation, first compact heap one end with set up in the telescopic link of the first telescopic cylinder on the workstation articulates, the other end of first compact heap is the hold-down end, the connecting rod be in the articulated position of first compact heap with the distance of first telescopic cylinder is greater than the connecting rod in the articulated position of first compact heap with distance between the hold-down end.
2. The tooling for machining bearing holes of a pump body of a hydrogen pump according to claim 1, wherein two connecting rods are arranged and symmetrically connected to two side surfaces of the first compression block.
3. The tooling for machining bearing holes of pump bodies of hydrogen pumps according to claim 1 or 2, wherein the second upper pressing mechanism comprises two pressing assemblies, the two pressing assemblies are arranged at intervals in the first direction, each pressing assembly comprises a second telescopic cylinder, the telescopic rod end of each second telescopic cylinder is connected with a second pressing block, and the second pressing blocks are perpendicular to the telescopic rods.
4. The tooling for machining the bearing hole of the pump body of the hydrogen pump according to claim 1, wherein the fixed clamping mechanism comprises a mounting table, a fixed clamping plate is arranged at the top end of the mounting table, and the fixed clamping plate is of a V shape.
5. The machining tool for the bearing holes of the pump body of the hydrogen pump according to claim 4, wherein the movable clamping mechanism comprises a supporting plate, the supporting plate is vertically arranged on the workbench, a third telescopic cylinder is arranged on the supporting plate, the telescopic rod end of the third telescopic cylinder is connected with a movable clamping plate, the clamping surface of the movable clamping plate is an arc surface, a supporting seat is arranged on one side of a telescopic rod of the supporting plate, which is positioned on the third telescopic cylinder, and the supporting seat is provided with a guide groove, and the movable clamping plate can move in the guide groove.
6. The tooling for machining the bearing hole of the pump body of the hydrogen pump according to claim 5, wherein the end face, connected with the third telescopic cylinder, of the movable clamping plate is provided with a stepped groove, the inner groove size of the stepped groove is larger than the outer groove size, the stepped groove extends to the upper end face and the lower end face of the movable clamping plate respectively, the telescopic rod end of the third telescopic cylinder is provided with two annular baffles along the axial interval of the telescopic rod end, one annular baffle is located in the inner groove of the stepped groove, and the other annular baffle is located in the end face of the movable clamping plate.
7. The tooling for machining the bearing hole of the pump body of the hydrogen pump according to claim 6, wherein a cover plate is arranged above the supporting seat corresponding to the guide groove.
8. The tooling for machining the bearing holes of the pump body of the hydrogen pump according to claim 1, wherein a plurality of support pins are arranged at positions of the workbench corresponding to the positions where the pump body is placed, and the support pins are used for supporting the end faces of the pump body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438032.7U CN220902610U (en) | 2023-09-08 | 2023-09-08 | Hydrogen pump body bearing hole processing frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322438032.7U CN220902610U (en) | 2023-09-08 | 2023-09-08 | Hydrogen pump body bearing hole processing frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220902610U true CN220902610U (en) | 2024-05-07 |
Family
ID=90908950
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322438032.7U Active CN220902610U (en) | 2023-09-08 | 2023-09-08 | Hydrogen pump body bearing hole processing frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220902610U (en) |
-
2023
- 2023-09-08 CN CN202322438032.7U patent/CN220902610U/en active Active
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| GR01 | Patent grant |