CN212526958U - Valve body processing indexing fixture - Google Patents
Valve body processing indexing fixture Download PDFInfo
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- CN212526958U CN212526958U CN202021158998.5U CN202021158998U CN212526958U CN 212526958 U CN212526958 U CN 212526958U CN 202021158998 U CN202021158998 U CN 202021158998U CN 212526958 U CN212526958 U CN 212526958U
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Abstract
The valve body processing indexing fixture comprises a fixed barrel and an indexing head rotationally connected with the fixed barrel, wherein an axial hole is arranged at the axial center of the indexing head, a plurality of T-shaped grooves which are radially and inwards extended to the periphery of the axial hole from the outer wall of the indexing head are arranged on the end surface of the indexing head far away from the fixed barrel, the fixture also comprises a cantilever beam, one end of the cantilever beam is connected with a first disc and a connecting shaft connected with the center of the first disc, the connecting shaft is inserted into the axial hole, two nail passing holes which are in one-to-one correspondence with the two T-shaped grooves on the same straight line are arranged on the first disc, an axial locking mechanism is arranged between each nail passing hole and the T-shaped groove, one end of the cantilever beam far away from the first disc is suspended, two oppositely arranged positioning planes are arranged on the cantilever beam, a product positioning pin is respectively arranged on each positioning, at least one pressure plate assembly is respectively arranged on each side plane and presses the unprocessed valve body on the positioning plane.
Description
Technical Field
The utility model belongs to the technical field of anchor clamps, especially, relate to a valve body processing graduation anchor clamps.
Background
The valve body can be used in the oil cylinder, the valve body is generally clamped by a clamp during machining, and because a plurality of surfaces with different angles are required to be milled on one surface of the valve body, the valve body can only be clamped by the clamp from the side, and machining of a machining center is started after positioning and clamping.
It is many sets of for the design of present anchor clamps, and the face of different angles then utilizes different anchor clamps to realize fixing, and it needs location many times and needs the dismouting of this kind of mode, and secondly, its only one face of anchor clamps can be used for the clamping work piece, influences machining efficiency.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a valve body processing graduation anchor clamps that can solve above-mentioned technical problem is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the valve body processing indexing fixture comprises a fixed cylinder and an indexing head rotationally connected with the fixed cylinder, wherein an axial hole is arranged at the axial center of the indexing head, a plurality of T-shaped grooves which are radially and inwards extended to the periphery of the axial hole from the outer wall of the indexing head are arranged on the end surface of the indexing head far away from the fixed cylinder, the fixture also comprises a cantilever beam, one end of the cantilever beam is connected with a first disc and a connecting shaft connected with the center of the first disc, the connecting shaft is inserted into the axial hole, two nail passing holes which are in one-to-one correspondence with the two T-shaped grooves on the same straight line are arranged on the first disc, an axial locking mechanism is arranged between each nail passing hole and the T-shaped groove, one end of the cantilever beam far away from the first disc is suspended, two oppositely arranged positioning planes are arranged on the cantilever beam, a product positioning pin is respectively arranged on each positioning plane, at least one pressure plate component is, the axial center of the cantilever beam is provided with a square through hole and a square support shaft inserted in the square through hole, two ends of the square support shaft extend out of two orifices of the square through hole, one end of the first round plate close to the cantilever beam is connected with a square barrel which is sleeved at the corresponding end part of the square support shaft, two opposite surfaces of the square barrel are respectively penetrated with bolts, two opposite surfaces of the square support shaft are respectively provided with a threaded hole which is in one-to-one correspondence with the bolts, the bolts are in threaded connection with the threaded holes, a connecting shaft is connected with one end of the square support shaft close to the square barrel, one end of the cantilever beam far away from the first round plate is provided with a second square barrel sleeved on the square support shaft, one end of the second square barrel far away from the cantilever beam is connected with a second round plate sleeved on the square support shaft, and threaded holes I which correspond to the first bolts one by one are respectively formed in two opposite surfaces of the square support shaft, and the first bolts are in threaded connection with the first threaded holes.
In the above valve body machining indexing fixture, the cantilever beam includes two parallel positioning plates and two parallel supporting plates, the width of the positioning plate is greater than that of the supporting plate, the square supporting shaft is arranged between the two positioning plates, one supporting plate is attached to one of two opposite surfaces of the square supporting shaft, the other supporting plate is attached to the other one of the two opposite surfaces of the square supporting shaft, and the positioning plates and the supporting plates are welded and connected.
In the valve body machining indexing fixture, the two sides of the supporting plate are respectively provided with a plurality of arc notches, the opposite inner surfaces of the positioning plates are respectively provided with a plurality of clamping pins which are in one-to-one correspondence with the arc notches, the clamping pins are clamped in the arc notches one by one, and the arc notches and the clamping pins are connected in a welding manner.
In the valve body machining indexing fixture, an arc convex surface matched with the arc notch is respectively arranged at one end of each clamping pin far away from the positioning plate, and a crater gap is formed between the two side walls of the arc notch and the clamping pins.
In the valve body machining indexing fixture, the transverse section of the crater gap is V-shaped, and the width of the outer opening of the crater gap is larger than that of the inner side of the crater gap.
In the valve body machining indexing fixture, the guide grooves are arranged on two side surfaces of the positioning plate.
In the valve body machining indexing fixture, a plurality of positioning pin holes are respectively formed in two ends of the cantilever beam, and a plurality of positioning pins which are inserted into the positioning pin holes one by one are arranged at one end, close to the cantilever beam, of the square cylinder; and a plurality of second positioning pins which are inserted into the positioning pin holes one by one are arranged at one end of the second square cylinder, which is close to the cantilever beam.
The valve body machining method adopting the valve body machining indexing fixture comprises the following steps:
s1, fixing the unprocessed valve body on a product positioning pin of one positioning plane in advance, wherein the unprocessed valve body is provided with a pin hole for inserting the product positioning pin in advance, fixing the unprocessed valve body on the positioning plane through a magnetic block, immediately starting to rotate, and then installing the unprocessed valve body on the other positioning plane;
two ends of the valve body exceed two sides of the positioning plane, a spacing distance is reserved between two adjacent valve bodies, then the two ends of the pressing plate press one end of the valve body on the two positioning planes by utilizing the pressing plate in cooperation with the pressing plate nut and the pressing plate bolt, and the pressing plate components on the two sides are symmetrical in pairs, so that the other ends of the valve body on the two positioning planes are pressed through the other symmetrical side, and the clamping and fixing of the valve body are realized;
s2, removing the magnetic block;
s3, the dividing head rotates to a valve body on one positioning plane to set a machining angle, the machining center starts machining, and then rotates to another angle to start machining; and after the valve body on one positioning plane is completely machined, the dividing head rotates to the valve body on the other positioning plane to set a machining angle, and the machining is repeated, namely, the machining of the valve body is completed.
Compared with the prior art, the valve body machining indexing fixture has the advantages that:
the valve body can be arranged on the two positioning planes, so that the different surfaces of the valve body can be machined under the action of the dividing head, and the valve bodies on the two positioning planes are machined successively, thereby improving the production efficiency.
The design that one end is unsettled, it can reduce the area of the inside installation supporting seat of machining center as far as possible.
Drawings
Fig. 1 is the utility model provides a valve body processing graduation anchor clamps structure sketch map.
Fig. 2 is a schematic view of the connection structure of the fixed cylinder and the index head provided by the present invention.
Fig. 3 is a schematic view of another connecting structure between the fixed cylinder and the index head.
Fig. 4 is a schematic structural diagram of a disc according to the present invention.
Fig. 5 is a schematic structural view of the positioning plate provided by the present invention.
Fig. 6 is a schematic view of a transverse cross-section structure of a cantilever beam provided by the present invention.
Fig. 7 is a schematic view of the connection structure of the positioning plate and the supporting plate provided by the present invention.
Fig. 8 is a schematic view of the horizontal state of the valve body provided by the present invention.
Fig. 9 is a schematic diagram of the inclined state of the valve body provided by the present invention.
In the figure, a fixed cylinder 1, a dividing head 2, a shaft hole 20, a T-shaped groove 21, a cantilever beam 3, a positioning plane 3a, a product positioning pin 3b, a side plane 3c, a diversion trench 3d, a square cylinder 3e, a circular disc 3f, a bolt one 3g, a positioning plate 30, a support plate 31, an arc notch 32, a bayonet 33, an arc convex surface 34, a circular disc one 4, a square cylinder 41, a bolt 42, a nail passing hole 40, a connecting shaft 5 and a square support shaft 6.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
As shown in fig. 2 and 3, the valve body processing indexing fixture comprises a fixed cylinder 1 and an indexing head 2 which is rotatably connected with the fixed cylinder 1, wherein the indexing head is purchased in the prior art, and can be adjusted in angle manually or by a motor.
The axial center of the dividing head 2 is provided with an axle hole 20, the end surface of one end of the dividing head 2 far away from the fixed cylinder 1 is provided with a plurality of T-shaped grooves 21 which radially extend inwards from the outer wall of the dividing head 2 to the periphery of the axle hole 20, as shown in figure 1, the clamp also comprises a cantilever beam 3, one end of the cantilever beam 3 is connected with a first disc 4, the connecting shaft 5 is inserted into the shaft hole 20, two nail passing holes 40 which are in one-to-one correspondence with the two T-shaped grooves 21 which are positioned on the same straight line are arranged on the first disc 4, an axial locking mechanism is arranged between each nail passing hole 40 and the T-shaped groove 21, one end of the cantilever beam 3 far away from the first disc 4 is suspended, the axial locking mechanism of the embodiment comprises a connecting nut arranged in each T-shaped groove 21, a connecting bolt is respectively arranged in each nail passing hole 40 in a penetrating manner, and the connecting bolt is in threaded connection with the two opposite connecting nuts so as to ensure the connection stability.
As shown in fig. 1 and fig. 4-9, two oppositely disposed positioning planes 3a are provided on the cantilever beam 3, a product positioning pin 3b is provided on each positioning plane 3a, the positioning planes 3a and the product positioning pins 3b facilitate fixing of the valve body, at least one pressing plate assembly 50 is provided on each side plane 3c, and the pressing plate assembly 50 presses the unprocessed valve body against the positioning planes 3 a.
The pressure plate assembly 50 includes a pressure plate and a connecting pressure plate bolt, and a pressure plate nut by which the pressure plate is constantly forced to clamp the valve body to fix the valve body.
The valve body can be arranged on the two positioning planes, so that the different surfaces of the valve body can be machined under the action of the dividing head, and the valve bodies on the two positioning planes are machined successively, thereby improving the production efficiency.
Secondly, the unsettled design of one end, it can be as far as possible will reduce the area of machining center internally mounted supporting seat, and simultaneously, this application adopts a supporting seat and fixes on machining center's three-dimensional moving platform.
In order to solve the strength problem, a square through hole is arranged at the axial center of the cantilever beam 3, a square support shaft 6 is inserted into the square through hole, two ends of the square support shaft 6 extend out of two orifices of the square through hole, one end of the first disc 4, which is close to the cantilever beam 3, is connected with a square cylinder 41, the square cylinder 41 is sleeved at the corresponding end part of the square support shaft 6, bolts 42 are respectively penetrated on two opposite surfaces of the square cylinder 41, threaded holes which are in one-to-one correspondence with the bolts 42 are respectively arranged on two opposite surfaces of the square support shaft 6, the bolts are in threaded connection with the threaded holes, a connecting shaft 5 is connected at one end of the square support shaft 6, which is close to the square cylinder 41, a second square cylinder 3e sleeved on the square support shaft 6 is arranged at one end of the cantilever beam 3, which is far away from the first disc 4, a second, and the two opposite surfaces of the square cylinder II 3e are respectively provided with a first bolt 3g in a penetrating way, the two opposite surfaces of the square support shaft 6 are respectively provided with a first threaded hole corresponding to the first bolt 3g one by one, and the first bolt is in threaded connection with the first threaded hole.
For convenience of assembly, a plurality of positioning pin holes are respectively formed in two ends of the cantilever beam 3, and a plurality of positioning pins which are inserted into the positioning pin holes one by one are arranged at one end, close to the cantilever beam 3, of the square cylinder 41; and a plurality of second positioning pins which are inserted into the positioning pin holes one by one are arranged at one end of the second square cylinder 3e close to the cantilever beam 3.
Further, the cantilever beam 3 of the present embodiment includes two positioning plates 30 parallel to each other and two support plates 31 parallel to each other, the width of the positioning plate 30 is larger than the width of the support plate 31, the square support shaft 6 is disposed between the two positioning plates 30, one support plate 31 fits against one of the two opposing faces of the square support shaft 6, the other support plate 31 fits against the other of the two opposing faces of the square support shaft 6, and the positioning plate 30 and the support plate 31 are welded to each other.
Two avoiding grooves are formed between the two positioning plates 30 and the two supporting plates 31, and the pressing plate assembly can be accommodated in the avoiding grooves when not in use or when part of the pressing plate assembly is not used, so that the cutter is prevented from being damaged due to the contact of the cutter and the pressing plate assembly in the machining process. Moreover, the avoiding groove can be used for guiding subsequent cooling liquid so as to improve the recovery efficiency of the cooling liquid.
Secondly, a plurality of arc notches 32 are respectively arranged at two sides of the supporting plate 31, a plurality of clamping pins 33 which are in one-to-one correspondence with the arc notches 32 are respectively arranged on the opposite inner surfaces of the positioning plate 30, the clamping pins 33 are clamped in the arc notches 32 one by one, and the arc notches 32 and the clamping pins 33 are connected in a welding manner. An arc convex surface 34 matched with the arc notch 32 is respectively arranged at one end of each bayonet 33 far away from the positioning plate 30, and a crater clearance is formed between two side walls of the arc notch 32 and the bayonet 33. The transverse section of the crater gap is V-shaped, and the width of the outer opening of the crater gap is larger than that of the inner side of the crater gap, so that the welded joint surface is enlarged, and the structural strength of the joint is improved. There is a crater in the crater gap.
The above-mentioned design can improve the connection strength between the positioning plate 30 and the support plate 31, and can facilitate the welding positioning.
In addition, the guiding grooves 3d are provided on both side surfaces of the positioning plate 30. So as to form a flow guiding function communicated with the avoiding groove. The guide groove 3d can guide the cooling liquid in the machining process.
The working principle of the embodiment is as follows:
fixing an unprocessed valve body on a product positioning pin 3b of one positioning plane 3a in advance, namely, the unprocessed valve body is provided with a pin hole for inserting the product positioning pin 3b in advance, fixing the unprocessed valve body on the positioning plane through a magnetic block, immediately starting to rotate, and then installing the unprocessed valve body on the other positioning plane;
the two ends of the valve body exceed the two sides of the positioning plane 3a, namely the two sides of the positioning plate 30, a spacing distance is reserved between every two adjacent valve bodies to avoid contact caused by clamping and discharge of subsequent cooling liquid, then the two ends of the pressing plate press one ends of the valve bodies on the two positioning planes by utilizing the pressing plate in cooperation with the pressing plate nut and the pressing plate bolt, the pressing plate assemblies on the two sides are symmetrical in pairs, the other ends of the valve bodies on the two positioning planes are pressed through the other sides of the two sides, and clamping and fixing of the valve bodies are achieved.
Taking down the magnetic block;
the dividing head rotates to a valve body on one positioning plane to set a machining angle, the machining center starts machining, and then rotates to another angle to start machining; and after the valve body on one positioning plane is completely machined, the dividing head rotates to the valve body on the other positioning plane to set a machining angle, and the machining is repeated, namely, the machining of the valve body is completed.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (7)
1. The valve body processing indexing fixture comprises a fixed barrel (1) and an indexing head (2) rotationally connected with the fixed barrel (1), and is characterized in that a shaft hole (20) is formed in the axial center of the indexing head (2), a plurality of T-shaped grooves (21) radially and inwards extending to the periphery of the shaft hole (20) from the outer wall of the indexing head (2) are formed in the end face, away from the fixed barrel (1), of the indexing head (2), the fixture further comprises a cantilever beam (3), a first disc (4) is connected to one end of the cantilever beam (3), two nail passing holes (40) corresponding to the two T-shaped grooves (21) on the same straight line are formed in the first disc (4), an axial locking mechanism is arranged between each nail passing hole (40) and the T-shaped groove (21), one end, away from the first disc (4), of the cantilever beam (3) is suspended, two oppositely arranged positioning planes (3a) are arranged on the cantilever beam (3), a product positioning pin (3b) is respectively arranged on each positioning plane (3a), at least one pressure plate component (50) is respectively arranged on each side plane (3c), the pressure plate component (50) presses the unprocessed valve body on the positioning plane (3a), a square through hole is arranged at the axial center of the cantilever beam (3), a square support shaft (6) inserted in the square through hole is arranged, two ends of the square support shaft (6) are extended out of two orifices of the square through hole, one end of the disc I (4) close to the cantilever beam (3) is connected with a square cylinder (41), the square cylinder (41) is sleeved at the corresponding end part of the square support shaft (6), bolts (42) are respectively penetrated on two opposite surfaces of the square cylinder (41), and threaded holes corresponding to the bolts (42) one by one are respectively arranged on two opposite surfaces of the square support shaft (6), and the bolt and the threaded hole are in threaded connection, the connecting shaft (5) is connected to one end, close to the square barrel (41), of the square supporting shaft (6), the connecting shaft (5) is inserted into the shaft hole (20), the end, far away from the first disk (4), of the cantilever beam (3) is provided with a second square barrel (3e) sleeved on the square supporting shaft (6), one end, far away from the cantilever beam (3) of the second square barrel (3e), of the cantilever beam (3) is connected with a second disk (3f) sleeved on the square supporting shaft (6), bolts (3g) are respectively arranged on two opposite faces of the second square barrel (3e) in a penetrating mode, threaded holes one corresponding to the first bolt (3g) one to one are respectively arranged on two opposite faces of the square supporting shaft (6), and the first bolt is in threaded connection with the first.
2. The valve body machining indexing fixture of claim 1, wherein the cantilever beam (3) comprises two positioning plates (30) parallel to each other and two support plates (31) parallel to each other, the width of the positioning plates (30) is larger than that of the support plates (31), the square support shaft (6) is arranged between the two positioning plates (30), one support plate (31) fits on one of two opposite surfaces of the square support shaft (6), the other support plate (31) fits on the other of the two opposite surfaces of the square support shaft (6), and the positioning plates (30) and the support plates (31) are welded together.
3. The valve body machining indexing fixture according to claim 2, wherein a plurality of circular arc notches (32) are respectively formed in two sides of the supporting plate (31), a plurality of clamping pins (33) corresponding to the circular arc notches (32) in a one-to-one manner are respectively formed in the opposite inner surfaces of the positioning plate (30), the clamping pins (33) are clamped in the circular arc notches (32) in a one-to-one manner, and the circular arc notches (32) and the clamping pins (33) are connected in a welding manner.
4. The valve body machining indexing fixture according to claim 3, wherein an arc-shaped convex surface (34) matched with the arc notch (32) is respectively arranged at one end of each bayonet pin (33) far away from the positioning plate (30), and two side walls of the arc notch (32) and the bayonet pins (33) form a crater gap.
5. The valve body machining indexing fixture of claim 4, wherein the crater gap is V-shaped in transverse cross-section, and an outer opening width of the crater gap is greater than an inner side width thereof.
6. The valve body machining indexing jig according to claim 2, wherein the guide grooves (3d) are provided on both side surfaces of the positioning plate (30).
7. The valve body machining indexing fixture according to claim 1, wherein a plurality of positioning pin holes are respectively formed at two ends of the cantilever beam (3), and a plurality of positioning pins which are inserted into the positioning pin holes one by one are arranged at one end, close to the cantilever beam (3), of the square cylinder (41); and a plurality of second positioning pins which are inserted into the positioning pin holes one by one are arranged at one end of the second square cylinder (3e) close to the cantilever beam (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158998.5U CN212526958U (en) | 2020-06-19 | 2020-06-19 | Valve body processing indexing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021158998.5U CN212526958U (en) | 2020-06-19 | 2020-06-19 | Valve body processing indexing fixture |
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| Publication Number | Publication Date |
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| CN212526958U true CN212526958U (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021158998.5U Active CN212526958U (en) | 2020-06-19 | 2020-06-19 | Valve body processing indexing fixture |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774902A (en) * | 2020-06-19 | 2020-10-16 | 嘉善华凯机械有限公司 | Valve body machining indexing fixture and machining method |
-
2020
- 2020-06-19 CN CN202021158998.5U patent/CN212526958U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111774902A (en) * | 2020-06-19 | 2020-10-16 | 嘉善华凯机械有限公司 | Valve body machining indexing fixture and machining method |
| CN111774902B (en) * | 2020-06-19 | 2021-06-11 | 嘉善华凯机械有限公司 | Valve body machining indexing fixture and machining method |
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