CN212886243U - Positioning fixture is used in processing of casing inner chamber - Google Patents
Positioning fixture is used in processing of casing inner chamber Download PDFInfo
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- CN212886243U CN212886243U CN202021358766.4U CN202021358766U CN212886243U CN 212886243 U CN212886243 U CN 212886243U CN 202021358766 U CN202021358766 U CN 202021358766U CN 212886243 U CN212886243 U CN 212886243U
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- half shell
- fixing
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- sleeve
- shell
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Abstract
The application relates to the technical field of machining clamps, in particular to a positioning clamp for machining an inner cavity of a shell, which comprises a fixed seat and a sleeve, wherein the sleeve is vertically arranged on the fixed seat and comprises a first half shell and a second half shell which are symmetrically arranged, the bottom of the first half shell is fixedly connected with the fixed seat, and a connecting hole is formed in the section end of the first half shell; the second half shell can be detachably placed on the fixing seat and is abutted to the first half shell, the position of the second half shell opposite to the connecting hole is provided with a fixing hole, a fixing screw rod is detachably arranged in the fixing hole, and the fixing screw rod penetrates through the fixing hole to be connected with the connecting hole. This application has the effect of fixing firmly the casing in carrying out the course of working to the inner chamber of drum.
Description
Technical Field
The application relates to the field of machining clamps, in particular to a positioning clamp for machining an inner cavity of a shell.
Background
The lathe is a mechanical device mainly using a lathe tool to process inner and outer revolution surfaces and sections of a workpiece, when the workpiece is processed, the workpiece needs to be fixed on a main shaft, a few workpieces are fixedly arranged on a lathe bed or a saddle, and the firmness of the workpieces fixed on the lathe affects the processing precision of the workpieces.
Referring to fig. 1, a conventional housing mainly includes a cross member 1 and a cylinder 2, where the cross member 1 includes a square base 11, a cylinder 12 and a circular base 13, and the cylinder 12 is fixedly connected between the square base 11 and the circular base 13 and is located at the same center line as the square base 11 and the circular base 13; the cylinder 2 comprises a circular tube 21, a boss tube 22 and a disc 23, one end of the circular tube 21 is sealed, the boss tube 22 is fixedly connected to one end, far away from the sealed end, of the circular tube 21, of the boss tube 22 is integrally connected with the disc 23, the bottom of the disc 23 is obliquely and downwards arranged towards the direction close to the boss tube 22, the circular tube 21, the boss tube 22 and the disc 23 are coaxially arranged, a circle of positioning holes 231 are formed in the disc 23, the positioning holes 231 are circumferentially arranged around the axis of the disc 23, the cylinder 12 of the cross member 1 and the circular tube 21 of the cylinder 2 are mutually crossed and fixedly connected, a fixing column 221 is fixedly connected to the outer side of the boss tube 22, and the fixing column 221 is. When machining the inner cavity of the cylinder 2, it is necessary to fix the housing to the spindle and to turn the inner cavity of the cylinder 2.
In view of the above-mentioned related art, the inventor believes that there is a drawback in that the housing cannot be stably fixed during the turning of the inner cavity of the cylinder.
SUMMERY OF THE UTILITY MODEL
In order to solve the defect that the shell cannot be stably fixed in the process of machining the inner cavity of the cylinder, the application provides a positioning clamp for machining the inner cavity of the shell.
The application provides a positioning fixture is used in processing of casing inner chamber adopts following technical scheme:
a positioning clamp for machining an inner cavity of a shell comprises a fixed seat and a sleeve, wherein the sleeve is vertically arranged on the fixed seat and comprises a first half shell and a second half shell which are symmetrically arranged, the bottom of the first half shell is fixedly connected with the fixed seat, and a connecting hole is formed in the section end of the first half shell; the second half shell can be detachably placed on the fixing seat and is abutted to the first half shell, the position of the second half shell opposite to the connecting hole is provided with a fixing hole, a fixing screw rod is detachably arranged in the fixing hole, and the fixing screw rod penetrates through the fixing hole to be connected with the connecting hole.
Through adopting above-mentioned technical scheme, when using, the casing is placed on fixing base and first half casing, just closes first half casing lid with the half casing of second, and clamping screw passes the fixed orifices and links to each other with the connecting hole, and clamping screw screws fixes half casing of second and first half casing, simultaneously, is fixed in the sleeve with the casing in, has improved the fixed effect of casing, is fixed in the lathe with the fixing base afterwards, processes casing drum inner chamber, makes processing reach best effect.
Preferably, the position of the lower surface of the fixing seat, which is opposite to the second half shell, is provided with a limiting bolt, and the limiting bolt penetrates through the fixing seat to be connected with the second half shell.
Through adopting above-mentioned technical scheme, limit bolt passes the fixing base and is connected with half second shell, and it is fixed with half second shell and fixing base, has restricted half second shell's displacement, has improved half second shell's fixed stability.
Preferably, the limiting bolts are arranged in a plurality, and the limiting bolts are arranged opposite to the second half shell at uniform intervals.
Through adopting above-mentioned technical scheme, set up a plurality of spacing bolts on the chassis, can follow a plurality of positions and carry on spacingly to half casing of second, improve the half casing of second and be fixed in the stability of fixing base, make half casing of second fixed more firm, and a plurality of spacing bolts evenly spaced sets up, improved the equilibrium of fixing base to improved the processing of casing inner chamber and fixed in the equilibrium that lathe turning was carried out to add with positioning fixture, the reinforcing effect of using.
Preferably, the inner cavity of the sleeve is provided with a clamping groove for fixing the shell, and the shell is embedded into the clamping groove and clamped with the sleeve.
Through adopting above-mentioned technical scheme, the draw-in groove is seted up in the sleeve inner chamber, in the casing embedding draw-in groove and form the joint with the sleeve, draw-in groove and casing looks adaptation, the casing outer wall contacts the laminating with the draw-in groove inner wall, makes the processing of casing inner chamber fix more firmly to the casing, promotes the fixed stability of casing.
Preferably, a preformed hole for placing the fixing column is formed in the position, opposite to the fixing column, of the inner wall of the clamping groove.
Through adopting above-mentioned technical scheme, preformed hole and the fixed column adaptation on being fixed in the casing, when the half casing of second was fashionable with half casing lid, the fixed column just placed in the preformed hole to the preformed hole, made casing and sleeve laminate more, half casing of second was closed more tightly with half casing lid, had improved the fixed effect of casing, reached best result of use.
Preferably, the top of the sleeve is coaxially provided with a limiting groove, and the limiting groove is communicated with the clamping groove.
Through adopting above-mentioned technical scheme, the sleeve top is seted up in the spacing groove, and the casing is placed in the sleeve, the disc and the spacing groove adaptation of casing, disc embedding spacing inslot to form the joint with the sleeve, carry on spacingly from the top to the casing, improved the fixed effect of casing, spacing groove and the coaxial setting of sleeve have improved the equilibrium that the casing was processed man-hour.
Preferably, the bottom of the limiting groove is obliquely and downwards arranged towards the direction close to the fixed seat.
Through adopting above-mentioned technical scheme, the bottom of spacing groove sets up downwards towards the direction slope that is close to the fixing base, with the casing adaptation, makes the casing outside more laminate with sleeve inner wall butt, has reduced the degree of wear of casing, has improved the precision of casing processing, has also improved the fixed stability of casing simultaneously, reaches best result of use.
Preferably, the top position of the sleeve is a bevel.
Through adopting above-mentioned technical scheme, telescopic top is the inclined plane setting, can effective save material, reduces the waste of material, reduce cost, and the inclined plane slope sets up, and the transition is more level and smooth, has reduced the workman and has received the risk of colliding with the injury in the use, has improved the security of using.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the effect of fixing the shell is generated by arranging the fixed seat and the sleeve;
2. by arranging a limit bolt; the effect of stably fixing the second half-shell is produced;
3. through setting up the draw-in groove, produced the effect that improves casing fixed stability.
Drawings
FIG. 1 is a background art drawing of the present application;
FIG. 2 is a schematic overall structure diagram of a positioning fixture for machining an inner cavity of a shell according to an embodiment of the present application;
FIG. 3 is an exploded view of a positioning fixture for machining an inner cavity of a housing according to an embodiment of the present disclosure;
fig. 4 is an exploded view highlighting the preformed hole.
Description of reference numerals: 1. a cross member; 11. a square base; 12. a cylinder; 13. a round base; 2. a cylinder; 21. a circular tube; 22. a boss tube; 221. fixing a column; 23. a disc; 231. positioning holes; 3. a fixed seat; 31. a limit bolt; 4. a sleeve; 41. a first housing half; 411. connecting holes; 42. a second half-shell; 421. a fixing hole; 422. fixing the screw rod; 43. a card slot; 431. reserving a hole; 44. a limiting groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-4.
The embodiment of the application discloses positioning fixture is used in processing of casing inner chamber. With reference to fig. 2 and 3, the positioning fixture for machining the inner cavity of the housing includes a fixing seat 3 and a sleeve 4, and the sleeve 4 is fixedly connected to the fixing seat 3 and is perpendicular to the fixing seat 3. The casing is placed and is fixed in sleeve 4 to on being fixed in the lathe with fixing base 3, carry out lathe work to 2 inner chambers of casing drum, sleeve 4 can be fixed the casing firmly, has improved the fixed effect of casing.
Referring to fig. 3, the sleeve 4 includes a first half shell 41 and a second half shell 42 which are symmetrically arranged, a bottom of the first half shell 41 is fixedly connected with the fixing base 3, and a section end of the first half shell 41 is provided with a connecting hole 411; the second half shell 42 is detachably disposed on the fixing base 3 and is abutted to the first half shell 41, a fixing hole 421 is formed in a position of the second half shell 42 opposite to the connecting hole 411, a fixing screw 422 is detachably disposed in the fixing hole 421, and the fixing screw 422 penetrates through the fixing hole 421 and is connected with the connecting hole 411. When the fixing device is used, the shell is placed on the fixing seat 3 and the first half shell 41, the second half shell 42 is placed right opposite to the first half shell 41, the fixing screw 422 penetrates through the fixing hole 421 to be connected with the connecting hole 411, and the second half shell 42 is fixed with the first half shell 41 by screwing the fixing screw 422, so that the fixing effect of the shell is improved, and the using stability is improved.
Referring to fig. 3, a plurality of limiting bolts 31 are disposed at positions of the lower surface of the fixing base 3 facing the second half shell 42, the limiting bolts 31 penetrate through the fixing base 3 to be connected with the second half shell 42, and the plurality of limiting bolts 31 are uniformly spaced from the second half shell 42. Spacing bolt 31 passes fixing base 3 and is connected with half shell 42 of second, and it is fixed with half shell 42 of second and fixing base 3, carries on spacingly to half shell 42 of second from a plurality of positions, has improved the fixed stability of half shell 42 of second, and the even interval of a plurality of spacing bolts 31 sets up, has improved fixing base 3's equilibrium.
With reference to fig. 1 and 4, a clamping groove 43 for fixing the housing is formed in the inner cavity of the sleeve 4, a preformed hole 431 for placing the fixing column 221 is formed in a position, opposite to the fixing column 221, on the inner wall of the clamping groove 43, and the housing is embedded into the clamping groove 43 and clamped with the sleeve 4. Draw-in groove 43 is seted up in sleeve 4 inner chamber, and preformed hole 431 is seted up in draw-in groove 43 inner wall and is just to the position department of fixed column 221, preformed hole 431 and the fixed column 221 adaptation on being fixed in the casing, and fixed column 221 is just placing in preformed hole 431 just to preformed hole 431, and casing embedding draw-in groove 43 is interior and form the joint with sleeve 4, makes casing and sleeve 4 laminate more, has improved the fixed stability of casing.
Referring to fig. 1 and 4, the top of the sleeve 4 is coaxially provided with a limiting groove 44, the bottom of the limiting groove 44 is inclined and downward toward the direction close to the fixing base 3, and the limiting groove 44 is communicated with the clamping groove 43. The casing is placed in sleeve 4, the disc 23 and the spacing groove 44 adaptation of casing, the bottom of spacing groove 44 sets up downwards towards the direction slope that is close to fixing base 3, disc 23 embedding spacing inslot 44, and form the joint with sleeve 4, the removal of restriction casing, the fixed stability of casing has been improved, spacing groove 44 and the coaxial setting of sleeve 4, the equilibrium of casing man-hour has been improved, sleeve 4's top position department is the inclined plane setting, effective save material, and the transition is more level and smooth, the security of using has been improved.
The implementation principle of the positioning fixture for machining the inner cavity of the shell is as follows: place the casing on fixing base 3 and first half casing 41, just close second half casing 42 to first half casing 41 lid, fixed column 221 is just to placing in preformed hole 431, the casing imbeds in draw-in groove 43 and forms the joint with sleeve 4, spacing groove 44 and the disc 23 department adaptation and the joint of casing, the bottom of spacing groove 44 sets up downwards towards the direction slope that is close to fixing base 3, make casing and sleeve 4 adaptation laminating more, pass fixed screw 422 and pass fixed orifices 421 and link to each other with connecting hole 411, it is fixed with first half casing 41 with second half casing 42, fix the casing simultaneously, the fixed effect of casing has been improved, be fixed in the lathe with fixing base 3 afterwards, and process the 2 inner chambers of drum of casing, reach better result of use.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a positioning fixture is used in processing of casing inner chamber which characterized in that: the clamping device comprises a fixed seat (3) and a sleeve (4), wherein the sleeve (4) is vertically arranged on the fixed seat (3), the sleeve (4) comprises a first half shell (41) and a second half shell (42) which are symmetrically arranged, the bottom of the first half shell (41) is fixedly connected with the fixed seat (3), and a connecting hole (411) is formed in the cross section end of the first half shell (41); the second half shell (42) can be detachably placed on the fixing seat (3) and is abutted to the first half shell (41), a fixing hole (421) is formed in the position, opposite to the connecting hole (411), of the second half shell (42), a fixing screw rod (422) can be detachably arranged in the fixing hole (421), and the fixing screw rod (422) penetrates through the fixing hole (421) to be connected with the connecting hole (411).
2. The positioning jig for machining the inner cavity of the casing as claimed in claim 1, wherein: and a position, opposite to the second half shell (42), of the lower surface of the fixed seat (3) is provided with a limiting bolt (31), and the limiting bolt (31) penetrates through the fixed seat (3) to be connected with the second half shell (42).
3. The positioning jig for machining the inner cavity of the housing as claimed in claim 2, wherein: the limiting bolts (31) are arranged in a plurality, and the limiting bolts (31) are arranged opposite to the second half shell (42) at uniform intervals.
4. The positioning jig for machining the inner cavity of the casing as claimed in claim 1, wherein: the inner cavity of the sleeve (4) is provided with a clamping groove (43) for fixing the shell, and the shell is embedded into the clamping groove (43) and clamped with the sleeve (4).
5. The positioning jig for machining the inner cavity of the housing as claimed in claim 4, wherein: and a preformed hole (431) for placing the fixing column (221) is formed in the position, opposite to the fixing column (221), of the inner wall of the clamping groove (43).
6. The positioning jig for machining the inner cavity of the housing as claimed in claim 4, wherein: the top of the sleeve (4) is coaxially provided with a limiting groove (44), and the limiting groove (44) is communicated with the clamping groove (43).
7. The positioning jig for machining the inner cavity of the housing as claimed in claim 6, wherein: the bottom of the limiting groove (44) is obliquely and downwards arranged towards the direction close to the fixed seat (3).
8. The positioning jig for machining the inner cavity of the casing as claimed in claim 1, wherein: the top of the sleeve (4) is provided with an inclined plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021358766.4U CN212886243U (en) | 2020-07-11 | 2020-07-11 | Positioning fixture is used in processing of casing inner chamber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021358766.4U CN212886243U (en) | 2020-07-11 | 2020-07-11 | Positioning fixture is used in processing of casing inner chamber |
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| Publication Number | Publication Date |
|---|---|
| CN212886243U true CN212886243U (en) | 2021-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021358766.4U Active CN212886243U (en) | 2020-07-11 | 2020-07-11 | Positioning fixture is used in processing of casing inner chamber |
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| Country | Link |
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| CN (1) | CN212886243U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799755A (en) * | 2022-04-29 | 2022-07-29 | 沈阳透平机械股份有限公司 | Boring machine processing horizontal subdivision compressor shell abdominal cavity positioning method |
-
2020
- 2020-07-11 CN CN202021358766.4U patent/CN212886243U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114799755A (en) * | 2022-04-29 | 2022-07-29 | 沈阳透平机械股份有限公司 | Boring machine processing horizontal subdivision compressor shell abdominal cavity positioning method |
| CN114799755B (en) * | 2022-04-29 | 2023-08-04 | 沈阳透平机械股份有限公司 | Method for machining abdominal cavity of horizontal split compressor shell by boring machine |
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