CN212886302U - Positioning fixture for shell machining - Google Patents

Abstract

The utility model belongs to the technical field of the technique of machining anchor clamps and specifically relates to a positioning fixture is used in casing processing is related to, it includes the spliced pole, place platform and supporting component, place the platform and include bottom plate and swash plate, the swash plate lower extreme is the obtuse angle setting with bottom plate one end body coupling, the bolt hole has been seted up on the swash plate, spliced pole fixed connection just is perpendicular with the bottom plate in bottom plate lower surface, the supporting component can be dismantled to be connected in the bottom plate upper surface and perpendicular with the bottom plate, the supporting component axle center is located same straight line with the spliced pole. The present application has the effect of firmly clamping the housing.

Description

Positioning fixture for shell machining

Technical Field

The application relates to the field of machining clamps, in particular to a positioning clamp for machining a shell.

Background

The lathe is a mechanical device which mainly uses a lathe tool to process inner and outer revolution surfaces and a cross section of a workpiece, when the workpiece is processed, the workpiece needs to be fixed on a main shaft, and a few workpieces are fixedly arranged on a lathe bed or a saddle.

Referring to fig. 1, a conventional housing mainly includes a solid mechanism 1 and a hollow mechanism 2, the solid mechanism 1 includes a base block 11, a base pillar 12 and a processing block 13, the base pillar 12 is disposed between the base block 11 and the processing block 13 and is fixedly connected to the base block 11 and the processing block 13; the hollow mechanism 2 comprises a disc 23, a boss pipe 22 and a circular pipe 21, one end of the circular pipe 21 is sealed, the boss pipe 22 is fixedly connected to the circular pipe 21 and far away from the sealed end, one end of the boss pipe 22 far away from the circular pipe 21 is integrally connected with the disc 23, the circular pipe 21, the boss pipe 22 and the circular pipe 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 base column 12 of the entity mechanism 1 is fixedly connected with the circular pipe 21 of the hollow mechanism 2 in an intersecting mode, the outer side of the boss pipe 22 is fixedly connected with a fixing column 221, and the fixing column 221 is perpendicular. When the end face of the processing block 13 is processed, it is necessary to fix the housing to the spindle and process the end face of the processing block 13 of the housing.

In view of the above-mentioned related art, the inventors consider that there is a defect that the housing cannot be firmly fixed during the process of machining the machining block of the housing, resulting in low machining accuracy of the machining block.

SUMMERY OF THE UTILITY MODEL

In order to solve the defect that the shell cannot be stably fixed in the processing process of a processing block of the shell, the application provides a positioning clamp for processing the shell.

The application provides a positioning fixture for casing processing adopts following technical scheme:

the utility model provides a positioning fixture is used in casing processing, includes the spliced pole, places platform and supporting component, places the platform and includes bottom plate and swash plate, and the swash plate lower extreme is the obtuse angle setting with bottom plate one end body coupling, has seted up the bolt hole on the swash plate, and spliced pole fixed connection just is perpendicular with the bottom plate in the bottom plate lower surface, and the supporting component can be dismantled to connect in the bottom plate upper surface and just perpendicular with the bottom plate, and the supporting component axle center is located same straight line with the spliced pole axle.

Through adopting the above technical scheme, the disc passes through bolted connection with the swash plate to be fixed, carry out spacing fixed to the casing, the base block is placed in the supporting component top simultaneously, supporting component gives the ascending holding power of casing, step up the fixed to the casing, it fixes the casing to set up swash plate and supporting component and realized pressing from both sides tight casing from perpendicular to bottom plate and perpendicular to swash plate two directions, and simultaneously, the effort interact extrusion of two directions, consequently, the locating clip can firmly press from both sides tight casing for the casing processing, and simultaneously, the spliced pole installation is fixed on the lathe, thereby the lathe can process the piece terminal surface more accurately, the precision of processing has been promoted.

Preferably, one side of the inclined plate, which is close to the supporting component, is provided with a limiting groove.

Through adopting above-mentioned technical scheme, when fixing the casing, the disc is placed in the spacing inslot, and the disc is inserted and is located the inseparable butt of outer wall and the spacing inslot wall of spacing inslot portion, and the rethread bolt is fixed disc and swash plate to the tight steadiness of casing clamp has been promoted.

Preferably, a plurality of bolt holes are formed in the inclined plate, and the bolt holes are circumferentially arranged around the center of the limiting groove.

Through adopting above-mentioned technical scheme, the disc is placed behind the spacing groove, and a plurality of bolts pass bolt hole and locating hole, are connected the disc with the swash plate fixedly, and is fixed along disc axle center direction with the disc, and the displacement of disc in the axle center direction receives the restriction, and a plurality of bolt holes are circumference arrangement around the disc axle center simultaneously, and the disc receives the restriction in the all directions displacement in the perpendicular to axle center to the fixed stability of casing has been promoted.

Preferably, the supporting component comprises a screw rod, a nut and a supporting plate, the screw rod vertically penetrates through the bottom plate, the screw rod is in threaded connection with the bottom plate, the nut is sleeved on the circumferential surface of the screw rod and is in threaded connection with the screw rod, and the supporting plate is horizontally arranged at the top of the screw rod and is fixedly connected with the screw rod.

By adopting the technical scheme, the screw rod is screwed out towards one side close to the workpiece, the nut is screwed, the position of the screw rod is fixed, the screw rod is screwed out outwards, the distance between the supporting plate and the bottom plate is increased, the supporting force of the supporting plate to the base block is increased, namely the supporting force in the direction perpendicular to the bottom plate is increased, meanwhile, the supporting force in the direction perpendicular to the inclined plate is also correspondingly increased, the clamping of the whole shell is enhanced, and the stability of the fixation of the shell is improved.

Preferably, the inclined plate is arranged in an arc shape at one end far away from the bottom plate.

Through adopting above-mentioned technical scheme, the swash plate is when playing the supporting role, and the swash plate is kept away from bottom plate one end and is set up to the arc end, can effective save material, reduces the waste of material, reduce cost, swash plate arc terminal surface, the transition is more slick and sly, has reduced the risk that the workman received the injury of colliding with in the use.

Preferably, the depth of the limiting groove is set to be 5mm-10 mm.

By adopting the technical scheme, when the shell is fixed, the disc is fixed on the inclined plate and is placed in the limiting groove, the depth of the limiting groove is set to be 5-10 mm, the limiting groove is deep, a large number of workpieces are inserted into the limiting groove, and the contact area is large, so that the stability of fixing the shell is improved.

Preferably, the thickness of the support plate is set to be 5mm to 10 mm.

By adopting the technical scheme, when the shell is fixedly clamped on the positioning fixture for processing the shell, the disc of the shell is fixedly clamped on the inclined body, the base block is fixedly clamped on the supporting plate, the supporting plate supports the base block upwards and simultaneously receives extrusion force applied by the base block, the thickness of the supporting plate is set to be 5-10 mm, and the bearing capacity of the supporting plate is enhanced.

Preferably, the supporting plate is arranged in a square shape.

Through adopting above-mentioned technical scheme, backup pad and base block butt, the backup pad is square setting, has increased the area of contact of backup pad with the base block, has promoted the stability that the backup pad supported the base block, simultaneously, has disperseed the extrusion force that the backup pad received, has promoted the life of backup pad.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting column, the placing table and the supporting assembly are arranged, so that the effect of fixing the shell is achieved;

2. through the arrangement of the bolt holes, the effect that the disc and the inclined plate are fixed and limited by the bolts penetrating through the bolt holes is achieved;

3. through setting up supporting component, reached and upwards supported the base block, pressed from both sides the effect of tight casing.

Drawings

FIG. 1 is a background art drawing of the present application;

FIG. 2 is a schematic view of an overall structure of a positioning fixture for housing processing according to the present embodiment;

fig. 3 is a schematic view of a fitting structure of a positioning jig and a housing for housing processing according to the present embodiment.

Description of reference numerals: 1. a physical organization; 11. a base block; 12. a base pillar; 13. processing the blocks; 2. a hollow mechanism; 21. a circular tube; 22. a boss tube; 221. fixing a column; 23. a disc; 231. positioning holes; 3. connecting columns; 4. a placing table; 41. a base plate; 42. a sloping plate; 421. bolt holes; 422. a limiting groove; 5. a support assembly; 51. a screw; 52. a nut; 53. and a support plate.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses positioning fixture for machining a shell. With reference to fig. 1 and 2, the positioning fixture for shell processing includes a connecting column 3, a placing table 4 and a supporting component 5, the placing table 4 includes a bottom plate 41 and an inclined plate 42, and the lower end of the inclined plate 42 is integrally connected with one end of the bottom plate 41 to form an obtuse angle; the connecting column 3 is fixedly connected to the lower surface of the bottom plate 41 and is vertical to the bottom plate 41, the supporting component 5 is detachably connected to the upper surface of the bottom plate 41 and is vertical to the bottom plate 41, and the supporting component 5 and the connecting column 3 are coaxially arranged. Through the setting of placing platform 4 and supporting component 5, realize from the effort mutual extrusion of perpendicular to bottom plate 41 and perpendicular to swash plate 42 two directions, reach the effect of fixing the casing to improve the machining precision of casing.

With reference to fig. 1 and 2, a limit groove 422 is formed in one side of the inclined plate 42, which is close to the support component 5, the depth of the limit groove 422 is 5mm to 10mm, the optimal depth of the limit groove 422 is set to 8mm, the depth of the disc 23 inserted into the limit groove 422 is moderate, the disc 23 inserted into the limit groove 422 has a large contact area, and thus the fixing stability of the housing is improved, the depth is too deep, and the limit groove 422 is not easy to process; a plurality of bolt holes 421 are formed in the limiting groove 422, the bolt holes 421 are circumferentially arranged in the limiting groove 422 around the center of the limiting groove 422, one end of the inclined plate 42, which is far away from the bottom plate 41, is in arc-shaped arrangement, and the center of the arc is concentric with the limiting groove 422. When the shell is clamped, the disc 23 of the shell is placed in the limiting groove 422, the circumferential surface of the disc 23 is tightly abutted to the inner wall of the limiting groove 422, the disc 23 is limited in displacement perpendicular to the axis in each direction, and the plurality of bolts penetrate through the bolt holes 421 and the positioning holes 231 to fixedly connect the disc 23 and the inclined plate 42, so that the clamping stability of the shell is improved.

Referring to fig. 3, the support assembly 5 includes a screw 51, a nut 52 and a support plate 53, the screw 51 vertically penetrates through the bottom plate 41, the screw 51 is in threaded connection with the bottom plate 41, the nut 52 is sleeved on the circumferential surface of the screw 51 and is in threaded connection with the screw 51, the support plate 53 is horizontally arranged at the top of the screw 51 and is fixedly connected with the screw 51, the support plate 53 is in a square arrangement, the thickness of the support plate 53 is set to be 5mm-10mm, the thickness of the support plate 53 is optimally set to be 8mm in the embodiment, the bearing capacity of the support plate 53 is enhanced, and the material waste is caused by the fact. When the clamping shell is fixed, the base block 11 of the shell abuts on the supporting plate 53, the screw rod 51 is screwed outwards, the nut 52 is screwed, the position of the screw rod 51 is fixed, the distance between the supporting plate 53 and the bottom plate 41 is increased by outwards screwing the screw rod 51, the supporting force of the supporting plate 53 on the base block 11 is increased, namely, the supporting force in the direction perpendicular to the bottom plate 41 is increased, meanwhile, the supporting force in the direction perpendicular to the inclined plate 42 is also correspondingly increased, the clamping of the whole shell is enhanced, the stability of the fixation of the shell is improved, the supporting plate 53 is in a square shape and is 8mm thick, and the stability of the supporting plate 53 on the base block 11 is improved.

The implementation principle of the positioning fixture for shell machining in the embodiment of the application is as follows: when the positioning clamp for processing the shell is used for fixing the shell, the disc 23 of the shell is placed in the limiting groove 422, bolts penetrate through the plurality of bolt holes 421 to fix the disc 23 and the inclined plate 42, the shell is limited and fixed, a supporting force is generated on the shell in the direction vertical to the inclined plate 42, meanwhile, the base block 11 is abutted on the upper part of the supporting component 5, the screw 51 is screwed outwards, and the nut 52 is tightened to fix the position of the screw 51, the screw 51 is screwed outward to increase the distance between the support plate 53 and the bottom plate 41, the support force of the support plate 53 to the base block 11 is increased, the supporting force generated on the shell in the direction perpendicular to the bottom plate 41 is increased, meanwhile, the supporting force in the direction perpendicular to the inclined plate 42 is correspondingly increased, the clamping of the whole shell is enhanced, the stability of clamping the shell is improved, and then the connecting column 3 is installed and fixed on a lathe to process the end face of the processing block 13.

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 casing processing which characterized in that: the device comprises a connecting column (3), a placing table (4) and a supporting component (5), wherein the placing table (4) comprises a bottom plate (41) and an inclined plate (42), the lower end of the inclined plate (42) is integrally connected with one end of the bottom plate (41) to form an obtuse angle, and a bolt hole (421) is formed in the inclined plate (42); the connecting column (3) is fixedly connected to the lower surface of the bottom plate (41) and is vertical to the bottom plate (41); the supporting component (5) is detachably connected to the upper surface of the bottom plate (41) and is vertical to the bottom plate (41).

2. The positioning jig for housing processing according to claim 1, characterized in that: and one side of the inclined plate (42) close to the support component (5) is provided with a limit groove (422).

3. The positioning jig for housing processing according to claim 2, characterized in that: a plurality of bolt holes (421) are formed in the inclined plate (42), and the bolt holes (421) are arranged circumferentially around the center of the limiting groove (422) and penetrate through the limiting groove (422).

4. The positioning jig for housing processing according to claim 1, characterized in that: the supporting component (5) comprises a screw rod (51), a nut (52) and a supporting plate (53), the screw rod (51) vertically penetrates through the bottom plate (41), the screw rod (51) is in threaded connection with the bottom plate (41), the nut (52) is sleeved on the circumferential surface of the screw rod (51) and is in threaded connection with the screw rod (51), and the supporting plate (53) is horizontally arranged at the top of the screw rod (51) and is fixedly connected with the screw rod (51).

5. The positioning jig for housing processing according to claim 1, characterized in that: the inclined plate (42) is far away from one end of the bottom plate (41) and is arranged in an arc shape.

6. The positioning jig for housing processing according to claim 2, characterized in that: the depth of the limiting groove (422) is set to be 5mm-10 mm.

7. The positioning jig for housing processing according to claim 4, characterized in that: the thickness of the supporting plate (53) is set to be 5mm-10 mm.

8. The positioning jig for housing processing according to claim 4, characterized in that: the supporting plate (53) is arranged in a square shape.

Images