CN223572931U - Air compressor machine casing upset anchor clamps - Google Patents

Abstract

This utility model relates to the field of clamping equipment technology, specifically an air compressor housing flipping clamp, including a worktable. A vertical plate is fixedly installed on one side of the upper surface of the worktable, and a mounting hole is opened through one side surface of the vertical plate. A turntable is rotatably installed in the mounting hole, and both ends of the turntable extend outside the mounting hole. This utility model uses an external clamping component to clamp the outer surface of the air compressor housing. After the construction of the inner surface of the air compressor housing is completed, the operator moves the internal clamping component into the air compressor housing. Then, the operator activates the internal clamping component to clamp the inner surface of the air compressor housing. Next, the operator controls the external clamping component to detach from the air compressor housing and move it back to its original position. Thus, the operator can carry out construction inside the air compressor housing without using lifting equipment to remove the housing from the external clamping component. The operation steps are very simple, greatly improving the processing efficiency of the operator.

Description

Air compressor machine casing upset anchor clamps

Technical Field

The utility model relates to the technical field of clamp equipment, in particular to an air compressor shell overturning clamp.

Background

The turning clamp is a device for fixing a processing object in the mechanical manufacturing process and then turning the processing object to enable the processing object to occupy a correct position so as to receive processing or detection of a worker, and is also called as a turning clamp. In a broad sense, any device used to quickly, conveniently and safely mount and invert a workpiece during a process may be referred to as an invert clamp. The existing overturning clamp cannot be quickly changed from a mode of clamping the inner wall of the shell to a mode of clamping the outer part of the shell, and vice versa, so that after one surface of the shell is machined by a worker, the shell needs to be taken down from the overturning clamp by using lifting equipment, the shell is placed on the overturning clamp by reusing the lifting equipment after the position of a clamping part in the overturning clamp is adjusted, the other surface of the shell is machined, the operation steps are quite complicated, and the machining efficiency of the worker is greatly reduced.

Disclosure of utility model

Aiming at the defects of the prior art, the utility model provides the air compressor shell overturning clamp, which solves the problems that the overturning clamp in the prior art can not be quickly changed from a mode of clamping the surface of a shell to a mode of clamping the other surface of the shell, so that the operation steps are quite complicated, and the processing efficiency of staff is greatly reduced.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides an air compressor machine casing upset anchor clamps, includes the workstation, workstation upper surface one side fixed mounting has the riser, riser one side surface has run through and has seted up the mounting hole, the revolving stage is installed to the rotation in the mounting hole, the both ends of revolving stage all extend to the mounting hole outside;

The air compressor comprises a turntable, wherein a connecting hole is formed in one end surface of the turntable, outer clamping assemblies used for clamping the outer surface of the air compressor shell are arranged on one side of the outer surface of the turntable, and inner clamping assemblies used for clamping the inner wall surface of the air compressor shell are arranged in the connecting hole;

The rotary table is characterized in that an outer toothed ring is sleeved on the other side of the outer surface of the rotary table, a first speed reducer is fixedly arranged on one side, close to the outer toothed ring, of the vertical plate, a first motor is fixedly arranged on the lower surface of the first speed reducer, the input end of the first speed reducer is fixedly connected with the output shaft end of the first motor, a first gear is sleeved on the output end of the first speed reducer, and the first gear is meshed with the outer toothed ring.

Preferably, the outer clamping assembly comprises two mounting plates, wherein the two mounting plates are fixedly mounted on one side of the outer surface of the rotary table, the two mounting plates are fixedly mounted with two mounting blocks on one side, away from the vertical plate, of each mounting plate, a rotary plate is movably mounted between every two adjacent mounting blocks, an electric push rod is fixedly mounted on one side, away from each other, of each rotary plate, and the output ends of the electric push rods penetrate through the corresponding rotary plates and are fixedly mounted with outer clamping plates respectively.

Preferably, the inner clamping assembly comprises a vertical seat, the vertical seat is movably arranged in the connecting hole, a first double-head cylinder is fixedly arranged on one side, close to the outer clamping plate, of the vertical seat, and an inner top plate is fixedly arranged at two output ends of the first double-head cylinder.

Preferably, a mounting shaft is rotatably mounted between every two adjacent mounting blocks, the two rotating plates are respectively sleeved on the corresponding mounting shaft bodies, and the lower ends of the two mounting shafts respectively penetrate through the corresponding mounting blocks and are sleeved with a second gear;

The two mounting plates are fixedly arranged on the lower surfaces of the mounting plates through brackets, the two second reducers are fixedly arranged on one sides, away from each other, of the mounting plates, a second motor is fixedly arranged on one side, away from each other, of each second reducer, the input end of each second reducer is fixedly connected with the output shaft end of each second motor, a third gear is sleeved at the output end of each second reducer, and the two third gears are respectively meshed with the corresponding second gears.

Preferably, a first cylinder is fixedly arranged on one side of the inner wall of the connecting hole, and the output end of the first cylinder is fixedly connected with the vertical seat.

Preferably, the two outer clamping plates and the inner top plate are provided with mounting grooves on the surface close to one side of the turntable, sliding grooves are formed on the surfaces of two sides of the inner wall of each mounting groove, sliding blocks are slidably arranged in each sliding groove, and a top block is fixedly arranged between each two opposite sliding blocks;

An electric guide rail is fixedly arranged on one side of the inner wall of each mounting groove, a second air cylinder is fixedly arranged at the moving end of each electric guide rail through a moving seat, and a lifting plate is fixedly arranged at the output end of each second air cylinder;

The connecting block is fixedly arranged on one side, close to the corresponding top block, of the outer clamping plate and the inner top plate, through holes are formed in the upper surface of each connecting block in a penetrating mode, threaded holes are formed in one side of the upper surface of each top block, butterfly studs are inserted and matched in the through holes, and thread sections of the butterfly studs are respectively arranged in the corresponding threaded holes in a threaded mode.

Preferably, a second double-head air cylinder is fixedly arranged on one side, close to the corresponding top block, of each lifting plate, lifting frames are fixedly arranged at two output ends of each second double-head air cylinder, and every two adjacent lifting frames are mutually inserted and matched.

Preferably, a sliding rod is fixedly installed between two sides of the inner wall of each sliding groove, each sliding block is arranged in the middle of a corresponding sliding rod body in a sliding mode, and first springs are sleeved on two sides of the sliding rod body.

Preferably, the two side surfaces of each top block are provided with supporting grooves, the two side surfaces of the inner wall of each supporting groove are provided with limiting grooves, limiting blocks are fixedly arranged in each limiting groove, and pressing blocks are fixedly arranged between every two opposite limiting blocks;

every equal fixed mounting gag lever post between the spacing inslot wall both sides, every the stopper slides respectively and sets up in corresponding gag lever post shaft one side, every the equal cover of gag lever post shaft opposite side is equipped with the second spring.

Preferably, the upper surface of each pressing block is provided with an arc surface.

Compared with the prior art, the utility model has the following beneficial effects:

1. The staff makes it carry out the centre gripping to the air compressor shell surface through starting outer clamping assembly, then the staff starts first motor, its output drives first gear reciprocal rotation under the effect of first reduction gear, under the cooperation effect of first gear and outer ring gear, the revolving stage is reciprocal to rotate in the mounting hole, thereby make outer clamping assembly follow the revolving stage reciprocal rotation, thereby make it centre gripping air compressor shell upset, make things convenient for the staff to carry out the construction to the air compressor shell internal surface, after accomplishing air compressor shell internal surface construction, the staff makes interior clamping assembly remove inside the air compressor shell, then the staff starts interior clamping assembly, make it carry out the centre gripping to the air compressor shell internal surface, then the staff control outer clamping assembly makes it remove to the normal position after breaking away from with the air compressor shell, interior clamping assembly carries out the centre gripping to the air compressor shell internal surface this moment, the staff need not use lifting device to take off the casing from outer clamping assembly and can carry out the construction to the air compressor shell internal, the operating procedure is very simple, staff's machining efficiency has been promoted greatly.

2. When the air compressor shell is clamped by the inner top plate, a worker drives the third gear to rotate through starting the second motor under the action of the second speed reducer, and under the matching action of the third gear and the second gear, the installation shaft drives the rotating plate to rotate, so that the outer clamping plate rotates in the direction away from the shell by taking the installation shaft as a reference, the outer clamping plate does not occupy a construction space, the worker can construct the outer surface of the shell more conveniently, and when the outer clamping plate clamps the outer surface of the shell, the worker controls the first cylinder output end to retract, so that the inner top plate moves into the connecting hole, the inner top plate does not occupy the construction space, and the worker can construct the inner part of the shell more conveniently.

3. After the structure of the shell is determined, a worker dismantles the butterfly stud above the ejector block corresponding to the position of the protrusion and the groove on the inner surface and the outer surface of the shell through the butterfly stud, so that when the ejector block contacts with the groove of the shell, the worker starts an electric guide rail, the moving end of the electric guide rail drives the lifting plate to move to the corresponding ejector block position, then the worker starts a second cylinder, the output end of the second cylinder drives the lifting plate to move, the ejector block drives the sliding block to move along the direction of the sliding groove after receiving thrust, so that one side of the ejector block moves in the groove and tightly pushes the inner wall surface of the groove, and when the ejector block contacts with the protrusion position of the shell, the ejector block moves along the direction of the sliding groove and is attached to the surface of the protrusion position, so that the outer clamping plate and the inner top plate can clamp shells with different surface protrusions and groove positions, and further the shells with different specifications can be clamped.

4. Can drive lifting frame when the lifter plate removes, make it promote kicking block lower surface, the staff simultaneously makes its output drive adjacent two lifting frame and do relative motion through starting second double-head cylinder to make things convenient for the staff to adjust lifting frame to the promotion scope of kicking block, and then make things convenient for the staff to adjust the quantity of the kicking block that needs to remove according to the length of recess.

Drawings

Fig. 1 is a schematic diagram of the whole structure of a turnover clamp for an air compressor shell;

fig. 2 is a schematic top view of a turnover fixture for an air compressor housing according to the present utility model;

Fig. 3 is a schematic diagram of a rear view structure of a turnover fixture for an air compressor housing according to the present utility model;

FIG. 4 is a schematic view of a cross-sectional structure of a portion A-A of FIG. 2 of a turnover fixture for an air compressor housing according to the present utility model;

FIG. 5 is a schematic view showing a cross-sectional structure of the turning clamp for the air compressor housing shown in FIG. 2 at B-B;

FIG. 6 is a schematic view showing a cross-sectional structure of the turning clamp for the air compressor housing shown in FIG. 3 at C-C;

Fig. 7 is an enlarged schematic view of the structure of the air compressor housing turning jig at a in fig. 4 according to the present utility model;

fig. 8 is an enlarged schematic view of the structure of the air compressor housing turning jig at B in fig. 4 according to the present utility model;

fig. 9 is an enlarged schematic view of the structure of the air compressor housing turning fixture at C in fig. 5 according to the present utility model.

The device comprises a workbench, a2, a vertical plate, a 201, a mounting hole, a 3, an outer clamping assembly, a 301, a mounting plate, a 302, a mounting block, a 303, a rotating plate, a 304, an electric push rod, a 305, an outer clamping plate, a 306, a mounting shaft, a 307, a second gear, a 308, a bracket, a 309, a second speed reducer, a 3010, a second motor, a 3011, a third gear, a4, an inner clamping assembly, a401, a vertical seat, a 402, a first double-headed cylinder, a 403, an inner top plate, a 404, a first cylinder, a 5, a turntable, a 501, a connecting hole, a 6, an outer tooth ring, a 7, a first speed reducer, a 701, a first motor, a 702, a first gear, an 8, a mounting groove, a 801, a chute, a 802, a sliding block, a top block, an 8031, a supporting groove, an 8032, a limit groove, an 8033, a limit block, an 8034, a pressing block, an 8035, a limit rod, an 8036, a second spring, an 804, an electric guide rail, a 805, a second cylinder, a 8013, a lifting plate, a 807, a connecting block, a 808, a double-headed stud, an 809, a lifting frame, a 80, a double-headed spring, a lifting frame, a 1, a lifting frame, a 2.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

As shown in fig. 1-9, an air compressor shell overturning fixture comprises a workbench 1, wherein a vertical plate 2 is fixedly arranged on one side of the upper surface of the workbench 1, a mounting hole 201 is formed in the surface of one side of the vertical plate 2 in a penetrating manner, a turntable 5 is rotatably arranged in the mounting hole 201, and two ends of the turntable 5 extend to the outside of the mounting hole 201.

The connecting hole 501 has been seted up to revolving stage 5 one end surface, and outer clamping assembly 3 that is used for carrying out the centre gripping to the air compressor shell surface are installed to revolving stage 5 surface one-to-one, installs the interior clamping assembly 4 that is used for carrying out the centre gripping to the air compressor shell inner wall surface in the connecting hole 501.

The other side of the outer surface of the rotary table 5 is sleeved with an outer toothed ring 6, a first speed reducer 7 is fixedly arranged on one side, close to the outer toothed ring 6, of the vertical plate 2, a first motor 701 is fixedly arranged on the lower surface of the first speed reducer 7, the input end of the first speed reducer 7 is fixedly connected with the output shaft end of the first motor 701, a first gear 702 is sleeved at the output end of the first speed reducer 7, and the first gear 702 is meshed with the outer toothed ring 6.

Through the technical scheme, during the use, firstly, the worker uses lifting equipment to move the air compressor shell to the position of the outer clamping component 3, then, the worker starts the outer clamping component 3 to clamp the outer surface of the air compressor shell, then, the worker starts the first motor 701, the output end of the worker drives the first gear 702 to rotate reciprocally under the action of the first speed reducer 7, the turntable 5 rotates reciprocally in the mounting hole 201 under the matching action of the first gear 702 and the outer toothed ring 6, so that the outer clamping component 3 rotates reciprocally along with the turntable 5, the worker clamps the air compressor shell to overturn, the worker can conveniently construct the inner surface of the air compressor shell, after the construction of the inner surface of the air compressor shell is completed, the worker moves the inner clamping component 4 into the air compressor shell, then, the worker starts the inner clamping component 4 to clamp the inner surface of the air compressor shell, then, the worker controls the outer clamping component 3 to enable the worker to move to the original position after the worker is separated from the air compressor shell, at this moment, the inner clamping component 4 clamps the inner surface of the air compressor shell, the worker does not need to use lifting equipment to take the shell from the outer clamping component 3, the worker can operate the air compressor shell easily, and the work efficiency is greatly improved.

As shown in fig. 1 and 4, in this embodiment, the outer clamping assembly 3 includes two mounting plates 301, the two mounting plates 301 are fixedly mounted on one side of the outer surface of the turntable 5, two mounting blocks 302 are fixedly mounted on one side, away from the vertical plate 2, of the two mounting plates 301, a rotating plate 303 is movably mounted between every two adjacent mounting blocks 302, electric push rods 304 are fixedly mounted on one side, away from each other, of the two rotating plates 303, and output ends of the two electric push rods 304 respectively pass through the corresponding rotating plates 303 and are fixedly mounted with an outer clamping plate 305. After the air compressor shell moves between the two outer clamping plates 305, a worker starts the electric push rod 304, so that the output end of the electric push rod drives the outer clamping plates 305 to move, the outer clamping plates 305 clamp the outer surface of the air compressor shell, and the worker can conveniently construct the inside of the air compressor shell.

The inner clamping assembly 4 comprises a vertical seat 401, the vertical seat 401 is movably arranged in a connecting hole 501, a first double-head air cylinder 402 is fixedly arranged on one side of the vertical seat 401, which is close to the outer clamping plate 305, and an inner top plate 403 is fixedly arranged at two output ends of the first double-head air cylinder 402. After the construction of the inside of the air compressor shell is completed by the staff, the staff moves the inner top plate 403 into the air compressor shell, then starts the first double-head cylinder 402, enables the output end of the first double-head cylinder to drive the inner top plate 403 to move, enables the inner top plate 403 to clamp the inner surface of the air compressor shell, finally controls the electric push rod 304, enables the output end of the electric push rod 304 to drive the inner top plate 403 to reset, and at the moment, the air compressor shell is clamped by the inner top plate 403, so that the shell is still clamped and fixed, and the construction of the staff to the outer surface of the shell is facilitated.

As shown in fig. 4 to 6, an installation shaft 306 is rotatably installed between each two adjacent installation blocks 302, two rotating plates 303 are respectively sleeved on the shaft bodies of the corresponding installation shafts 306, and the lower ends of the two installation shafts 306 respectively pass through the corresponding installation blocks 302 and are sleeved with a second gear 307.

The lower surfaces of the two mounting plates 301 are fixedly provided with second speed reducers 309 through brackets 308, one sides, away from each other, of the two second speed reducers 309 are fixedly provided with second motors 3010, the input ends of the second speed reducers 309 are fixedly connected with the output shaft ends of the second motors 3010, the output ends of the two second speed reducers 309 are sleeved with third gears 3011, and the two third gears 3011 are respectively meshed with the corresponding second gears 307. When the inner top plate 403 clamps the air compressor shell, a worker starts the second motor 3010, the output shaft of the second motor 3010 drives the third gear 3011 to rotate under the action of the second speed reducer 309, and under the matching action of the third gear 3011 and the second gear 307, the mounting shaft 306 drives the rotating plate 303 to rotate, so that the outer clamping plate 305 rotates in a direction away from the shell by taking the mounting shaft 306 as a reference, the outer clamping plate 305 is more convenient to use, the construction space is not occupied by the outer clamping plate 305, and the worker can construct the outer surface of the shell more conveniently.

A first cylinder 404 is fixedly arranged on one side of the inner wall of the connecting hole 501, and the output end of the first cylinder 404 is fixedly connected with the vertical seat 401. When the outer clamping plate 305 clamps the outer surface of the shell, a worker controls the output end of the first cylinder 404 to retract, so that the inner top plate 403 moves into the connecting hole 501, the inner top plate 403 does not occupy a construction space, and the inner side of the shell is more convenient for the worker to construct.

As shown in fig. 4, 7 and 8, in the specific arrangement, the two outer clamping plates 305 and the inner top plate 403 are provided with mounting grooves 8 on the surface of one side close to the turntable 5, the two side surfaces of the inner wall of each mounting groove 8 are provided with sliding grooves 801, each sliding groove 801 is internally provided with a sliding block 802 in a sliding manner, and a top block 803 is fixedly arranged between every two opposite sliding blocks 802.

An electric guide rail 804 is fixedly mounted on one side of the inner wall of each mounting groove 8, a second air cylinder 805 is fixedly mounted at the moving end of each electric guide rail 804 through a moving seat, and a lifting plate 806 is fixedly mounted at the output end of each second air cylinder 805.

The outer clamping plate 305 and the inner top plate 403 are fixedly provided with a connecting block 807 on one side close to the corresponding top block 803, the upper surface of each connecting block 807 is provided with a through hole in a penetrating way, one side of the upper surface of each top block 803 is provided with a threaded hole, a butterfly stud 808 is inserted and matched in each through hole, and the threaded section of each butterfly stud 808 is respectively and spirally arranged in the corresponding threaded hole. After the structure of the shell is determined, a worker dismantles the butterfly stud 808 above the ejector block 803 corresponding to the protrusion of the inner surface and the outer surface of the shell and the position of the groove, so that when the ejector block 803 contacts with the groove of the shell, the worker starts the electric guide rail 804, the moving end of the worker drives the lifting plate 806 to move to the position of the corresponding ejector block 803, then the worker starts the second cylinder 805, the output end of the worker drives the lifting plate 806 to move, the ejector block 803 receives thrust and drives the sliding block 802 to move along the direction of the sliding groove 801, so that one side of the ejector block 803 moves in the groove and tightly pushes the inner wall surface of the groove, when the ejector block 803 contacts with the protrusion position of the shell, the ejector block 803 receives thrust and then moves along the direction of the sliding groove 801, and simultaneously is attached to the surface of the protrusion position, so that the outer clamping plate 305 and the inner top plate 403 can clamp shells with different surface protrusions and groove positions, and further can clamp shells with different specifications.

As shown in fig. 7 and 9, it can be understood that in the present application, a second double-head cylinder 809 is fixedly installed on one side of each lifting plate 806 near the corresponding top block 803, and lifting frames 8010 are fixedly installed on two output ends of each second double-head cylinder 809, and every two adjacent lifting frames 8010 are mutually inserted and matched. Can drive lifting frame 8010 when lifter plate 806 removes, make it promote kicking block 803 lower surface, the staff starts second double-headed cylinder 809 simultaneously, makes its output drive adjacent two lifting frame 8010 and do relative motion to make things convenient for the staff to adjust lifting frame 8010 to the promotion scope of kicking block 803, and then make things convenient for the staff to adjust the quantity that needs the kicking block 803 that removes according to the length of recess.

As shown in fig. 7, in a specific arrangement, a sliding rod 8011 is fixedly installed between two sides of an inner wall of each sliding groove 801, each sliding block 802 is slidably disposed in a middle part of a corresponding sliding rod 8011, and two sides of the sliding rod 8011 are respectively sleeved with a first spring 8012. Through setting up first spring 8012 for kicking block 803 can reset fast after carrying out the centre gripping to protruding or the recess of casing, needn't the staff to reset kicking block 803 by hand, has reduced staff's intensity of labour.

As shown in fig. 7 and 8, the two side surfaces of each top block 803 are provided with supporting grooves 8031, the two side surfaces of the inner wall of each supporting groove 8031 are provided with limiting grooves 8032, each limiting groove 8032 is internally provided with a limiting block 8033, and a pressing block 8034 is fixedly arranged between every two opposite limiting blocks 8033.

And a limiting rod 8035 is fixedly installed between two sides of the inner wall of each limiting groove 8032, each limiting block 8033 is respectively arranged on one side of the corresponding limiting rod 8035 rod body in a sliding mode, and a second spring 8036 is sleeved on the other side of each limiting rod 8035 rod body. When the ejector block 803 pushes up the shell bulge or groove, the pressing block 8034 can move along the direction of the limit groove 8032 under the pushing of the inner wall surface of the installation groove 8 or the inner wall surface of the groove, the second spring 8036 is stressed and compressed, and the pressing block 8034 is given a reverse thrust force, so that the upper surface of the pressing block 8034 is tightly attached to the inner wall of the installation groove 8 or the inner wall of the groove, and the ejector block 803 is not easy to shake when pushing up the bulge or groove on the shell, so that the pushing effect of the ejector block 803 is enhanced.

Every briquetting 8034 upper surface all sets up to the cambered surface, through setting up briquetting 8034 upper surface to the cambered surface, prevents that briquetting 8034 from getting into the condition that the card was dead when the inner wall of mounting groove 8 and recess took place.

The working principle of the air compressor shell overturning clamp is as follows:

When the air compressor is used, firstly, a worker uses the lifting device to move the air compressor shell to the position of the outer clamping component 3, then the worker starts the outer clamping component 3 to clamp the outer surface of the air compressor shell, then the worker starts the first motor 701, the output end of the first motor drives the first gear 702 to rotate reciprocally under the action of the first speed reducer 7, the turntable 5 rotates reciprocally in the mounting hole 201 under the matching action of the first gear 702 and the outer toothed ring 6, so that the outer clamping component 3 rotates reciprocally along with the turntable 5, the worker clamps the air compressor shell to overturn, the worker can conveniently construct the inner surface of the air compressor shell, after the construction of the inner surface of the air compressor shell is completed, the worker moves the inner clamping component 4 into the air compressor shell, then the worker starts the inner clamping component 4 to clamp the inner surface of the air compressor shell, then the worker controls the outer clamping component 3 to move to the original position after the worker is separated from the air compressor shell, the inner clamping component 4 clamps the inner surface of the air compressor shell, the worker does not need to use the lifting device to take down the shell from the outer clamping component 3, the air compressor shell can be processed in a very simple manner, and the working efficiency is greatly improved.

The foregoing examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the embodiments of the present utility model, and other variations or modifications of various forms may be made by those skilled in the art based on the foregoing description, and it is not intended to be exhaustive of all embodiments, and all obvious variations or modifications that come within the scope of the utility model are defined by the following claims.

Claims (10)

1. The turnover fixture for the air compressor shell comprises a workbench (1) and is characterized in that a vertical plate (2) is fixedly arranged on one side of the upper surface of the workbench (1), a mounting hole (201) is formed in the surface of one side of the vertical plate (2) in a penetrating mode, a turntable (5) is rotatably arranged in the mounting hole (201), and two ends of the turntable (5) extend to the outside of the mounting hole (201);

A connecting hole (501) is formed in one end surface of the rotary table (5), outer clamping assemblies (3) used for clamping the outer surface of the air compressor shell are arranged on one side of the outer surface of the rotary table (5), and inner clamping assemblies (4) used for clamping the inner wall surface of the air compressor shell are arranged in the connecting hole (501);

The rotary table is characterized in that an outer toothed ring (6) is sleeved on the other side of the outer surface of the rotary table (5), a first speed reducer (7) is fixedly installed on one side, close to the outer toothed ring (6), of the vertical plate (2), a first motor (701) is fixedly installed on the lower surface of the first speed reducer (7), the input end of the first speed reducer (7) is fixedly connected with the output shaft end of the first motor (701), a first gear (702) is sleeved on the output end of the first speed reducer (7), and the first gear (702) is meshed with the outer toothed ring (6).

2. The air compressor shell overturning clamp as claimed in claim 1, wherein the outer clamping assembly (3) comprises two mounting plates (301), the two mounting plates (301) are fixedly mounted on one side of the outer surface of the rotary table (5), two mounting blocks (302) are fixedly mounted on one side, away from the vertical plate (2), of the two mounting plates (301), a rotating plate (303) is movably mounted between every two adjacent mounting blocks (302), an electric push rod (304) is fixedly mounted on one side, away from each other, of the two rotating plates (303), and output ends of the two electric push rods (304) respectively penetrate through the corresponding rotating plates (303) and are fixedly provided with outer clamping plates (305).

3. The air compressor shell overturning clamp as claimed in claim 2, wherein the inner clamping assembly (4) comprises a stand (401), the stand (401) is movably installed in the connecting hole (501), a first double-head air cylinder (402) is fixedly installed on one side, close to the outer clamping plate (305), of the stand (401), and an inner top plate (403) is fixedly installed on two output ends of the first double-head air cylinder (402).

4. The turnover fixture for air compressor shell according to claim 3, wherein a mounting shaft (306) is rotatably mounted between every two adjacent mounting blocks (302), two rotating plates (303) are respectively sleeved on shaft bodies of the corresponding mounting shafts (306), and lower ends of the two mounting shafts (306) respectively penetrate through the corresponding mounting blocks (302) and are sleeved with a second gear (307);

two mounting panel (301) lower surface is all through support (308) fixed mounting have second reduction gear (309), two equal fixed mounting in one side that keeps away from each other of second reduction gear (309) has second motor (3010), second reduction gear (309) input and second motor (3010) output axle head fixed connection, two second reduction gear (309) output cover is equipped with third gear (3011), two third gear (3011) meshes with corresponding second gear (307) respectively.

5. The turnover fixture of air compressor housing as set forth in claim 4, wherein a first cylinder (404) is fixedly installed on one side of the inner wall of said connecting hole (501), and the output end of said first cylinder (404) is fixedly connected with said stand (401).

6. The turnover fixture for the air compressor shell according to claim 5, wherein two outer clamping plates (305) and an inner top plate (403) are respectively provided with a mounting groove (8) close to one side surface of the turntable (5), two side surfaces of the inner wall of each mounting groove (8) are respectively provided with a sliding groove (801), a sliding block (802) is respectively and slidably arranged in each sliding groove (801), and a top block (803) is respectively and fixedly arranged between each two opposite sliding blocks (802);

An electric guide rail (804) is fixedly arranged on one side of the inner wall of each mounting groove (8), a second air cylinder (805) is fixedly arranged at the moving end of each electric guide rail (804) through a moving seat, and a lifting plate (806) is fixedly arranged at the output end of each second air cylinder (805);

connecting blocks (807) are fixedly mounted on one side, close to corresponding top blocks (803), of the outer clamping plates (305) and the inner top plates (403), through holes are formed in the upper surfaces of the connecting blocks (807) in a penetrating mode, threaded holes are formed in one side of the upper surfaces of the top blocks (803), butterfly studs (808) are inserted and matched in the through holes in a penetrating mode, and threaded sections of the butterfly studs (808) are arranged in the corresponding threaded holes in a threaded mode.

7. The air compressor housing overturning fixture as claimed in claim 6, wherein a second double-head air cylinder (809) is fixedly arranged on one side, close to the corresponding jacking block (803), of each lifting plate (806), lifting frames (8010) are fixedly arranged at two output ends of each second double-head air cylinder (809), and every two adjacent lifting frames (8010) are mutually matched in a penetrating mode.

8. The air compressor housing overturning fixture as claimed in claim 6, wherein a sliding rod (8011) is fixedly arranged between two sides of the inner wall of each sliding groove (801), each sliding rod (802) is respectively arranged in the middle of a rod body of the corresponding sliding rod (8011) in a sliding mode, and two sides of the rod body of each sliding rod (8011) are respectively sleeved with a first spring (8012).

9. The turnover fixture for the air compressor shell, as set forth in claim 8, is characterized in that each of the two side surfaces of the top block (803) is provided with a supporting groove (8031), each of the two side surfaces of the inner wall of each supporting groove (8031) is provided with a limiting groove (8032), each limiting groove (8032) is fixedly provided with a limiting block (8033), and a pressing block (8034) is fixedly arranged between each two opposite limiting blocks (8033);

Every all fixed mounting gag lever post (8035) between gag lever post (8032) inner wall both sides, every stopper (8033) slide respectively and set up in gag lever post (8035) shaft one side that corresponds, every gag lever post (8035) shaft opposite side all overlaps and is equipped with second spring (8036).

10. The air compressor housing overturning jig as claimed in claim 9, wherein the upper surface of each pressing block (8034) is provided with an arc surface.