CN112108899B - Special clamp suitable for machining L-shaped valve body and machining method - Google Patents
Special clamp suitable for machining L-shaped valve body and machining method Download PDFInfo
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- CN112108899B CN112108899B CN202010984946.1A CN202010984946A CN112108899B CN 112108899 B CN112108899 B CN 112108899B CN 202010984946 A CN202010984946 A CN 202010984946A CN 112108899 B CN112108899 B CN 112108899B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/10—Devices for clamping workpieces of a particular form or made from a particular material
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Abstract
A special clamp suitable for machining an L-shaped valve body and a machining method thereof comprise a main body, wherein a first clamping assembly, a second clamping assembly and a third clamping assembly are arranged on the main body; the first clamping assembly positions a second back surface, a second bottom surface and a second left side surface of the L-shaped valve body; the second clamping assembly positions a second left side surface and a second right side surface of the L-shaped valve body; the third clamping assembly positions the second top surface and the second bottom surface. The clamp solves the problem that the clamp needs to be frequently replaced when the L-shaped valve body is machined.
Description
Technical Field
The invention relates to the technical field of hydraulic part machining, in particular to a special clamp and a machining method suitable for machining an L-shaped valve body.
Background
When the L-shaped valve body is applied to a crane, the precision of the L-shaped valve body must be ensured in the production and processing process, so that the L-shaped valve body must be positioned when the reference surface of the L-shaped valve body is processed. Three processes are adopted in the processing of the L-shaped valve body, different clamps are adopted in different processes, and the clamps need to be frequently replaced in production, so that the cost is increased.
Disclosure of Invention
The application provides a special fixture and a processing method suitable for processing an L-shaped valve body, and aims to solve the problem that the existing L-shaped valve body needs to be frequently replaced with the fixture.
A special clamp suitable for machining an L-shaped valve body is provided with a second back face, a second front face, a second top face, a second left side face, a second bottom face and a second right side face which are arranged oppositely, wherein the second top face, the second left side face, the second bottom face and the second right side face are connected end to end; the first clamping assembly positions a second back surface, a second bottom surface and a second left side surface of the L-shaped valve body; the second clamping assembly positions a second left side and a second right side of the L-shaped valve body; the third clamping assembly positions the second top surface and the second bottom surface.
The fixture can process the whole L-shaped valve body at one time, does not need to replace the fixture, is simple and convenient to operate, and is suitable for industrial production.
It is preferable that: the main body is an integrally formed cavity type structure with an opening on the first back surface, the cavity type structure is formed by enclosing a first front surface, a first top surface and a first bottom surface which are oppositely arranged and two first side surfaces which are oppositely arranged, and a connecting plate is arranged on the first top surface of the main body;
the first clamping assembly is fixed on the first top surface of the main body through the connecting plate and comprises a pressing plate abutted against the second back surface of the L-shaped valve body and a first positioning block abutted against the second bottom surface and the second left side surface of the L-shaped valve body;
the second clamping assembly is fixedly connected to the first side face of the main body and comprises a first adjusting seat and a second positioning block which are respectively abutted against the second right side face and the second left side face of the L-shaped valve body;
and the third clamping assembly is fixedly connected to the first front surface of the main body and comprises a second adjusting seat and a third positioning block which are abutted against the second top surface and the second bottom surface of the L-shaped valve body.
According to the invention, a first clamping assembly, a second clamping assembly and a third clamping assembly are respectively arranged on a first top surface, a first side surface and a first front surface of a main body, the first clamping assembly can be used for positioning a second bottom surface, a second back surface and a second left side surface of an L-shaped valve body, and the second top surface of the L-shaped valve body can be processed after the positioning is finished; the second clamping assembly can be used for positioning a second left side surface and a second right side surface of the L-shaped valve body, and a second top surface and a second bottom surface of the L-shaped valve body can be machined after the positioning is finished; the third clamping component can be used for positioning the second top surface and the second bottom surface of the L-shaped valve body, and the second back surface and the second front surface of the L-shaped valve body can be machined after the positioning is finished.
It is preferable that: the bottom fixedly connected with bottom plate of main part, the inclined hole has been seted up in the first front of main part being close to the position of L type valve body, be formed with respectively with first adjustment seat and second locating piece matched with first draw-in groove and second draw-in groove on the first side of main part, be formed with respectively with second adjustment seat and third locating piece matched with third draw-in groove and fourth draw-in groove on the first front of main part.
It is preferable that: the number of the pressing plates, the first positioning blocks, the second positioning blocks, the third positioning blocks, the first adjusting seats and the second adjusting seats is larger than 1, and the plurality of L-shaped valve bodies can be fixed simultaneously.
It is preferable that: the first positioning block, the second positioning block, the third positioning block, the first adjusting seat and the second adjusting seat are provided with a plurality of convex blocks on the surfaces abutted to the L-shaped valve body, so that the L-shaped valve body is prevented from moving.
It is preferable that: the first adjusting seat and the second adjusting seat have the same structure.
It is preferable that: the first adjusting seat comprises fixed pincers, a taper block and movable pincers arranged at the bottom of the fixed pincers, the side faces of the fixed pincers and the side faces of the movable pincers are connected through an elastic piece, the taper block is arranged in a containing cavity defined by the fixed pincers and the movable pincers, the width of the taper block is smaller than that of the containing cavity, the first adjusting seat is small in size, large in holding force, accurate in positioning, free of interference and capable of achieving fine adjustment.
It is preferable that: the bottom surface of the fixed pincers and the top surface of the movable pincers are inclined planes, the inclination angle of the bottom surface of the fixed pincers is the same as that of the top surface of the taper block, the inclination angle of the top surface of the movable pincers is the same as that of the bottom surface of the taper block, a through hole is formed in the center of the taper block, a fastener is arranged inside the through hole, the taper block is fixedly connected to the main body through the fastener, and the fastener is screwed up to force the taper block to move towards the direction close to the main body.
It is preferable that: the fixing clamp is provided with a T-shaped hole extending along the vertical direction, a first T-shaped block, a second T-shaped block and a square plate are sequentially connected in the T-shaped hole in a clamped mode, and the fixing clamp, the taper block and the movable clamp are connected in the main body in a clamped mode and are more stable.
A processing method of an L-shaped valve body comprises the following steps,
step 1:
moving the L-shaped valve body, horizontally placing the L-shaped valve body in a space enclosed by the plurality of first positioning blocks and the pressing plate, completing positioning, and finally processing a second top surface of the L-shaped valve body by using a processing device;
step 2:
placing the L-shaped valve body processed in the step 1 in a space surrounded by a first adjusting seat and a second positioning block, enabling a second left side face of the L-shaped valve body to be abutted against the second positioning block, tightening a fastener in a taper block to complete positioning, and finally processing a second top face and a second bottom face of the L-shaped valve body by adopting a processing device;
and step 3:
and (3) placing the L-shaped valve body after being processed in the step (2) in a space surrounded by a plurality of second adjusting seats and third positioning blocks, enabling a second bottom surface of the L-shaped valve body to be abutted against the third positioning blocks, tightening a fastener in the taper block to complete positioning, and finally processing a second back surface and a second front surface of the L-shaped valve body by adopting a processing device.
The processing method of the invention shortens the processing time, has consistent beats of the three steps, and is suitable for industrial production.
Compared with the prior art, the invention has the following beneficial effects:
1. the fixture can process the whole L-shaped valve body at one time, does not need to replace the fixture, is simple and convenient to operate, and is suitable for industrial production.
2. The invention can process two L-shaped valve bodies at the same time.
3. According to the invention, the L-shaped valve body is fixed by the pressing plate and the first positioning block, so that the L-shaped valve body can be prevented from moving, and the verticality of the L-shaped valve body is also ensured.
4. The first adjusting seat is small in size, large in clamping force, capable of guaranteeing perpendicularity and accurate in positioning, and meanwhile capable of not generating interference and playing a role in fine adjustment.
5. The first positioning block, the second positioning block, the third positioning block, the first adjusting seat and the second adjusting seat are provided with a plurality of convex blocks on the surfaces abutted to the L-shaped valve body, so that the L-shaped valve body is prevented from moving.
Drawings
In order to more clearly explain the technical solution of the present application, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic structural view of an L-shaped valve body;
FIG. 2 is a schematic structural view of an L-shaped valve body;
FIG. 3 is a front view of the present invention;
FIG. 4 is a schematic structural view of the main body of the present invention;
FIG. 5 is a schematic structural view of the main body of the present invention;
FIG. 6 is a schematic structural view of the present invention;
FIG. 7 is a schematic structural view of a third positioning seat of the present invention;
FIG. 8 is a schematic structural view of a first adjusting seat according to the present invention;
FIG. 9 is a schematic view of the assembly of the stationary and movable tongs of the present invention;
FIG. 10 is a schematic view of the structure of the holding clamp of the present invention;
FIG. 11 is a schematic structural view of a holding clamp according to the present invention;
illustration of the drawings:
wherein 1, the main body, 11 the inclined hole, 12 the first back, 13 the first side, 14 the first front, 15 the first top, 16 the first bottom, 131 the first card slot, 132 the second card slot, 141 the third card slot, 142 the fourth card slot,
2 a first clamping assembly, 21 a pressing plate, 211 a first pressing plate, 212 a lever type pressing plate, 22 a first positioning block,
3 a second clamping component, 31 a first adjusting seat, 311 a fixed jaw, 3111 a T-shaped hole, 3112 a first T-shaped block, 3113 a second T-shaped block, 3114 a square plate, 312 a taper block, 313 a movable jaw, 314 a containing cavity, 315 a through hole, 32 a second positioning block,
4 a third clamping component, 41 a third positioning block, 42 a second adjusting seat,
a 5L-shaped valve body, a second back surface 51, a second bottom surface 52, a second left side surface 53, a second right side surface 54, a second top surface 55, a second front surface 56,
6 connecting plates, 7 bottom plates and 8 bumps.
Detailed Description
Example 1: referring to fig. 1 to 11, the special fixture for processing the L-shaped valve body is used in a crane, and can simultaneously clamp two L-shaped valve bodies 5, wherein a second back surface 51 and a second front surface 56 which are oppositely arranged, a second top surface 55 connected end to end, a second left side surface 53, a second bottom surface 52, and a second right side surface 54 are arranged on the L-shaped valve body 5.
The special fixture suitable for processing the L-shaped valve body comprises a main body 1, a group of first clamping assemblies 2, two groups of second clamping assemblies 3 and a group of third clamping assemblies 4. The first clamping assembly 2 includes a pressure plate 21 and a first positioning block 22. The second clamping assembly 3 includes a first adjusting seat 31 and a second positioning block 32. The third clamping assembly 4 includes a second adjusting seat 42 and a third positioning block 41.
The main body 1 is an integrally formed cavity structure with an opening on the first back 12, and the cavity structure is enclosed by the first front 14, the first top surface 15 and the first bottom surface 16 which are oppositely arranged, and the first side surfaces 13 which are oppositely arranged. The first bottom surface 16 of the main body 1 is fixed on a bottom plate 7, the connecting plate 6 is arranged on the first top surface 15, and the inclined hole 11 is arranged on the first front surface 14, so that the machine tool spindle can be avoided during processing. A first engaging groove 131 and a second engaging groove 132 respectively engaged with the first adjusting seat 31 and the second positioning block 32 are formed on the first side surface 13 of the main body 1, and a third engaging groove 141 and a fourth engaging groove 142 respectively engaged with the second adjusting seat 42 and the third positioning block 41 are formed on the first front surface 14 of the main body.
The first clamping assembly 2 is fixed on the first top surface 15 of the main body 1 through the connecting plate 6, the first clamping assembly 2 can position the second bottom surface 52, the second back surface 51 and the second left side surface 53 of the L-shaped valve body 5, and the second top surface 55 of the L-shaped valve body 5 can be machined after the positioning is finished.
The first clamp assembly 2 includes a pressure plate 21 abutting on the second back surfaces 51 of the two L-shaped valve bodies 5, and six first positioning blocks 22 abutting on the second bottom surfaces 52 and the second left side surfaces 53 of the two L-shaped valve bodies 5. The pressing plate 21 includes a first pressing plate 211 and two lever-type pressing plates 212; during positioning, the two L-shaped valve bodies 5 are horizontally placed on the connecting plate 6, the first pressing plate 211 abuts against the second back surfaces 51 of the two L-shaped valve bodies 5 at the same time, the lever-type pressing plate 212 abuts against one end, far away from the first pressing plate 211, of the L-shaped valve body 5, the clamping force of the lever-type pressing plate 212 is large, and the L-shaped valve body 5 can be effectively prevented from moving. The second left side surface 53 and the second bottom surface 52 of the L-shaped valve body 5 need 3 first positioning blocks 22 for fixing, two of which are provided with the second bottom surface 52 of the L-shaped valve body 5, and the remaining one is provided with the first left side surface 53 of the L-shaped valve body 5. A plurality of convex blocks 8 are arranged on the surfaces of the first positioning blocks 22, which are abutted with the L-shaped valve body 5, so that the space movement is prevented.
And the two groups of second clamping assemblies 3 are fixedly connected to the two first side surfaces 13 of the main body 1 respectively, the second clamping assemblies 3 can position the second left side surface 53 and the second right side surface 54 of the L-shaped valve body 5, and the second top surface 55 and the second bottom surface 52 of the L-shaped valve body 5 can be machined after the positioning is finished.
Each set of the second clamping assembly 3 comprises a second positioning block 32 and a first adjusting seat 31 which are respectively abutted against a second left side surface 53 and a second right side surface 54 of the L-shaped valve body 5; the first adjustment seat 31 and the second positioning block 32 are provided with a plurality of projections 8 on surfaces abutting against the L-shaped valve body 5, thereby preventing the space from moving.
The first adjusting seat 31 comprises a fixed jaw 311, a taper block 312 and a movable jaw 313 arranged at the bottom of the fixed jaw 311, wherein the fixed jaw 311 is connected with the movable jaw 313 through an elastic part, the taper block 312 is arranged in an accommodating cavity 314 defined by the fixed jaw 311 and the movable jaw 313, and the width of the taper block 312 is smaller than that of the accommodating cavity 314. The bottom surface of the fixed jaw 311 and the top surface of the movable jaw 313 are both inclined surfaces, the inclination angle of the bottom surface of the fixed jaw 311 is the same as the inclination angle of the top surface of the taper block 312, and the inclination angle of the top surface of the movable jaw 313 is the same as the inclination angle of the bottom surface of the taper block 312. The center of the taper block 312 is provided with a through hole 315, a screw is arranged in the through hole 315, and the taper block 312 is fixedly connected to the main body 1 through the screw. The first adjusting seat 31 has a small volume, a large clamping force, and no interference while being positioned accurately, and can play a role in fine adjustment. The principle of fine tuning: when the screw is tightened, the taper block 312 moves inwards under the extrusion action of the screw, and the movable clamp 313 moves downwards under the pushing action of the taper block 312 because the side surfaces of the fixed clamp 311 and the movable clamp 313 are connected through the elastic piece, and stops after being adjusted to the required height.
Decide and be equipped with the T shape hole 3111 that extends along vertical direction on pincers 311, the joint has first T-shaped piece 3112, second T-shaped piece 3113 and square board 3114 in proper order in T shape hole 3111, decides pincers 311, tapering piece 312, activity pincers 313 and respectively through first T-shaped piece 3112, second T-shaped piece 3113, square board 3114 joint in main part 1, use above-mentioned structure can more firm when connecting.
And a third clamping assembly 4 fixedly connected to the first front surface 14 of the main body 1, wherein the third clamping assembly 4 comprises a second adjusting seat 42 and a third positioning block 41 which abut against a second top surface 55 and a second bottom surface 52 of the L-shaped valve body 5. The second adjusting seat 42 and the first adjusting seat 31 have the same structure, and when positioning, the two L-shaped valve bodies 5 are installed on the first front surface 14 of the main body 1 at a staggered height, the third clamping assembly 4 can position the second top surface 55 and the second bottom surface 52 of the L-shaped valve body 5, and after positioning is completed, the second back surface 51 and the second front surface 56 of the L-shaped valve body 5 can be processed.
The integral structure of the invention ensures the consistent beats of the three working procedures and saves the processing time.
step 1: horizontally placing two L-shaped valve bodies 5 on the first clamping assembly 2, positioning second back surfaces 51 of the two L-shaped valve bodies 5 through a first pressing plate 211 and two lever-type pressing plates 212, positioning second left side surfaces 53 and second bottom surfaces 52 of the L-shaped valve bodies through three first positioning blocks 22, and processing second top surfaces 55 of the L-shaped valve bodies 5 after positioning is completed;
and 2, step: placing the L-shaped valve body 5 processed in the step 1 on two groups of second clamping assemblies 3, positioning the L-shaped valve body 5 on two first side surfaces 13 of the main body 1 by the second clamping assemblies 3, positioning a second left side surface 53 and a second right side surface 54 of the L-shaped valve body 5 through a second positioning block 32 and a first adjusting seat 31 respectively, and processing a second top surface 55 and a second bottom surface 52 of the L-shaped valve body 5 after the positioning is finished;
and step 3: the L-shaped valve body 5 processed in the step 2 is placed on the third clamping assembly 4, the four second adjusting seats 42 are respectively installed at the left and right ends of the second top surface 55 of the first L-shaped valve body 5, the left end of the second bottom surface 52, and the right end of the second top surface 55 of the second L-shaped valve body 5, and the three third positioning blocks 41 are respectively installed at the right end of the second bottom surface 52 of the first L-shaped valve body 5 and the two ends of the second bottom surface 52 of the second L-shaped valve body 5. The third clamping assembly 4 can position the second top surface 55 and the second bottom surface 52 of the L-shaped valve body 5, and after the positioning is completed, the second back surface 51 and the second front surface 56 of the L-shaped valve body 5 can be machined.
The fixture can process the whole L-shaped valve body at one time, does not need to replace the fixture, is simple and convenient to operate, and is suitable for industrial production.
The detailed description provided above is only a few examples under the general concept of the present application, and does not constitute a limitation to the scope of the present application. Any other embodiments extended according to the scheme of the present application without inventive efforts will be within the scope of protection of the present application for a person skilled in the art.
Claims (7)
1. A special clamp suitable for processing an L-shaped valve body is provided, wherein a second back surface (51) and a second front surface (56) which are oppositely arranged, a second top surface (55) which is connected end to end, a second left side surface (53), a second bottom surface (52) and a second right side surface (54) are arranged on the L-shaped valve body (5), and the special clamp is characterized by comprising a main body (1), wherein a first clamping assembly (2), a second clamping assembly (3) and a third clamping assembly (4) are arranged on the main body (1); the first clamping assembly (2) positions a second back surface (51), a second bottom surface (52) and a second left side surface (53) of the L-shaped valve body (5); the second clamping assembly (3) positions a second left side surface (53) and a second right side surface (54) of the L-shaped valve body (5); said third clamping assembly (4) positioning said second top surface (55) and second bottom surface (52); the main body (1) is integrally formed, the first back surface (12) is provided with an open cavity type structure, the cavity type structure is formed by enclosing a first front surface (14), a first top surface (15) and a first bottom surface (16) which are oppositely arranged, and two first side surfaces (13) which are oppositely arranged, and a connecting plate (6) is arranged on the first top surface (15) of the main body (1); a first clamping assembly (2) fixed to the first top surface (15) of the main body (1) through the connecting plate (6), wherein the first clamping assembly (2) comprises a pressing plate (21) abutted against the second back surface (51) of the L-shaped valve body (5) and a first positioning block (22) abutted against the second bottom surface (52) and the second left side surface (53) of the L-shaped valve body (5); the second clamping assembly (3) is fixedly connected to the first side surface (13) of the main body (1), and the second clamping assembly (3) comprises a first adjusting seat (31) and a second positioning block (32) which are respectively abutted against the second right side surface (54) and the second left side surface (53) of the L-shaped valve body (5); the third clamping assembly (4) is fixedly connected to the first front surface (14) of the main body (1), and the third clamping assembly (4) comprises a second adjusting seat (42) and a third positioning block (41) which are abutted against the second top surface (55) and the second bottom surface (52) of the L-shaped valve body (5); the first adjusting seat (31) and the second adjusting seat (42) have the same structure; the first adjusting seat (31) comprises a fixed clamp (311), a taper block (312) and a movable clamp (313) arranged at the bottom of the fixed clamp (311), the side faces of the fixed clamp (311) and the movable clamp (313) are connected through an elastic piece, the taper block (312) is arranged in an accommodating cavity (314) defined by the fixed clamp (311) and the movable clamp (313), and the width of the taper block (312) is smaller than that of the accommodating cavity (314).
2. The special fixture suitable for machining the L-shaped valve body according to claim 1, wherein a bottom plate (7) is fixedly connected to the bottom of the main body (1), an inclined hole (11) is formed in a position, close to the L-shaped valve body (5), of a first front surface (14) of the main body (1), a first clamping groove (131) and a second clamping groove (132) which are matched with the first adjusting seat (31) and the second positioning block (32) respectively are formed in a first side surface (13) of the main body (1), and a third clamping groove (141) and a fourth clamping groove (142) which are matched with the second adjusting seat (42) and the third positioning block (41) respectively are formed in the first front surface (14) of the main body.
3. The special fixture for machining the L-shaped valve body is characterized in that the number of the pressure plates (21), the first positioning blocks (22), the second positioning blocks (32), the third positioning blocks (41), the first adjusting seats (31) and the second adjusting seats (42) is more than 1.
4. The special fixture for machining the L-shaped valve body is characterized in that a plurality of convex blocks (8) are arranged on the surfaces, abutting against the L-shaped valve body (5), of the first positioning block (22), the second positioning block (32), the third positioning block (41), the first adjusting seat (31) and the second adjusting seat (42).
5. The special fixture suitable for the L-shaped valve body machining according to claim 1, wherein the bottom surface of the fixed clamp (311) and the top surface of the movable clamp (313) are inclined surfaces, the inclination angle of the bottom surface of the fixed clamp (311) is the same as the inclination angle of the top surface of the taper block (312), the inclination angle of the top surface of the movable clamp (313) is the same as the inclination angle of the bottom surface of the taper block (312), a through hole (315) is formed in the center of the taper block (312), a fastener is arranged in the through hole (315), and the taper block (312) is fixedly connected to the main body (1) through the fastener.
6. The special fixture suitable for processing the L-shaped valve body according to claim 1, wherein a T-shaped hole (3111) extending in the vertical direction is formed in the stationary caliper (311), a first T-shaped block (3112), a second T-shaped block (3113) and a square plate (3114) are sequentially clamped in the T-shaped hole (3111), and the stationary caliper (311), the taper block (312) and the movable caliper (313) are respectively clamped on the main body (1) through the first T-shaped block (3112), the second T-shaped block (3113) and the square plate (3114).
7. A method for processing an L-shaped valve body, which is realized by adopting the clamp as claimed in any one of the claims 1 to 6, is characterized by comprising the following steps,
step 1:
moving the L-shaped valve body (5), horizontally placing the L-shaped valve body (5) in a space enclosed by the first positioning blocks (22) and the pressing plate (21), positioning, and finally processing a second top surface (55) of the L-shaped valve body (5) by using a processing device;
step 2:
placing the L-shaped valve body (5) which is processed in the step 1 in a space surrounded by a first adjusting seat (31) and a second positioning block (32), abutting a second left side surface (53) of the L-shaped valve body (5) against the second positioning block (32), then screwing a fastener in a taper block (312) to complete positioning, and finally processing a second top surface (55) and a second bottom surface (52) of the L-shaped valve body (5) by adopting a processing device;
and step 3:
and (3) placing the L-shaped valve body (5) after being processed in the step (2) in a space surrounded by a plurality of second adjusting seats (42) and third positioning blocks (41), abutting a second bottom surface (52) of the L-shaped valve body (5) against the third positioning blocks (41), tightening a fastener in a taper block (312) to complete positioning, and finally processing a second back surface (51) and a second front surface (56) of the L-shaped valve body (5) by adopting a processing device.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984946.1A CN112108899B (en) | 2020-09-18 | 2020-09-18 | Special clamp suitable for machining L-shaped valve body and machining method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010984946.1A CN112108899B (en) | 2020-09-18 | 2020-09-18 | Special clamp suitable for machining L-shaped valve body and machining method |
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| CN112108899A CN112108899A (en) | 2020-12-22 |
| CN112108899B true CN112108899B (en) | 2022-07-12 |
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- 2020-09-18 CN CN202010984946.1A patent/CN112108899B/en active Active
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| CN207255733U (en) * | 2017-08-30 | 2018-04-20 | 上海波赫驱动系统有限公司 | A kind of multiple operation more than one piece clamping device |
| CN209062639U (en) * | 2018-12-13 | 2019-07-05 | 湖南凯斯机械股份有限公司 | A kind of fixture of simultaneous processing sewing machine plate tow sides |
| CN209970171U (en) * | 2019-04-26 | 2020-01-21 | 台州职业技术学院 | Fixture of oil pan four-side machining center based on automatic manipulator clamping |
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