CN213136482U

CN213136482U - Clamping device for petroleum machinery workpiece

Info

Publication number: CN213136482U
Application number: CN202021862611.4U
Authority: CN
Inventors: 陈晓秋; 徐振华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-05-07
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to the technical field of workpiece fixing, in particular to a clamping device for petroleum machinery workpieces, which comprises a flat car and a fixing frame, the upper surface of the flat car is provided with a ball, the inside of the ball is connected with a chute in a sliding way, the inside of the flat car is fixed with a limiting mechanism, the flat car is rotationally connected with a fixed frame through a chute, a first clamp component and a second clamp component are fixed inside the fixed frame, the first clamp component and the second clamp component are arranged oppositely, the second clamp component comprises a fixed seat and a connecting shaft, the outer surface of the fixed seat is rotationally connected with a rotary table through a connecting shaft, the outer surface of one side of the rotary table, which is far away from the fixed seat, is fixed with a clamping jaw, the clamping jaws are three groups, the radiuses of the inner walls of the three groups of clamping jaws are different, and a fixing assembly is fixed on the outer surface of the fixing seat. The utility model discloses the clamping jaw of the different shapes of quick replacement of being convenient for is convenient for drive work piece adjustment operation position.

Description

Clamping device for petroleum machinery workpiece

Technical Field

The utility model relates to a fixed technical field of work piece specifically is a clamping device for petroleum machinery work piece.

Background

After the petroleum machinery is used for a long time, some petroleum machinery workpieces need to be maintained regularly, need to be fixed through a clamping device, and then are subjected to oil brushing, repairing and other work.

When the clamping device is used, the clamping device needs to be matched with clamping jaws corresponding to different sizes of workpieces, so that the workpieces can be clamped more stably, the clamping jaws need to be replaced to detach fixing bolts, operation is troublesome, the clamping jaws with different shapes cannot be replaced conveniently, and the workpieces cannot be driven conveniently to adjust the operation position, so that the problem is solved by designing the clamping device for the petroleum machinery workpieces urgently.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a clamping device for petroleum machinery work piece to solve the clamping jaw that can't make things convenient for different shapes of quick replacement that provides in the above-mentioned background art, and the problem in the unable convenient work piece adjustment operation position of driving.

In order to achieve the above object, the utility model provides a following technical scheme: a clamping device for petroleum machinery workpieces comprises a flat car and a fixing frame, wherein balls are arranged on the upper surface of the flat car, sliding grooves are connected inside the balls in a sliding mode, a limiting mechanism is fixed inside the flat car, the flat car is rotatably connected with the fixing frame through the sliding grooves, a first clamp assembly and a second clamp assembly are fixed inside the fixing frame, the first clamp assembly and the second clamp assembly are oppositely arranged, the second clamp assembly comprises a fixing seat and a connecting shaft, the outer surface of the fixing seat is rotatably connected with a rotary table through the connecting shaft, clamping jaws are fixed on the outer surface of one side, away from the fixing seat, of the rotary table, the number of the clamping jaws is three, the inner wall radiuses of the three clamping jaws are different, a fixing assembly is fixed on the outer surface of the fixing seat, the rotary table is fixedly connected with the fixing seat through the fixing assembly, and a clamping assembly is fixed on one side, away, the clamping assembly comprises a screw sleeve and a sleeve, the screw sleeve is fixedly connected with the top end of the fixing frame through a screw, a lead screw is telescopically connected inside the screw sleeve, the lead screw is rotatably connected with the fixing base through the sleeve, and the sleeve is rotatably connected with the fixing base.

Preferably, the limiting mechanism comprises a limiting pin, the limiting pin penetrates through the outer surface of the flat car, and the limiting pin is rotatably connected with the flat car.

Preferably, the surface cover of spacer pin is equipped with first spring, the bottom of spacer pin closes soon and is connected with the ring of stepping on, the top of spacer pin is provided with spacing tooth's socket, and the lower surface at the mount is seted up to spacing tooth's socket, the top of spacer pin and the inner wall meshing of spacing tooth's socket.

Preferably, fixed subassembly includes a cover storehouse, the inside of fixing base is seted up in the cover storehouse, the inside in cover storehouse is provided with the stopper, the surface cover of stopper is equipped with the bolt, the bolt is "U" shape, and the bolt passes through the screw and is connected fixedly with the fixing base.

Preferably, the one end of stopper is provided with the draw-in groove, and the draw-in groove sets up the surface in the carousel, the stopper is fixed with the draw-in groove interpolation, the other end butt of stopper has the second spring, and the second spring sets up in the inside in cover storehouse, the surface of bolt is run through on the top of stopper, the shifting block has been cup jointed on the top of stopper.

Preferably, the outer surface of the fixing seat is fixed with a guide rod through a screw, and the guide rod at one end departing from the fixing seat penetrates through the outer surface of the fixing frame.

Compared with the prior art, the beneficial effects of the utility model are that: the clamping device for the petroleum machinery workpiece is convenient for rapidly replacing clamping jaws with different shapes, and is convenient for driving the workpiece to adjust the operation direction.

(1) The turntable is rotatably connected with the fixed seat through the connecting shaft and is limited and fixed through the fixing assembly, three groups of clamping jaws with different sizes are fixed on the turntable, and the limiting of the turntable can be relieved by shifting the limiting block to be away from the clamping groove, so that the turntable can be rotated to switch the clamping jaws with different shapes, and the effect of conveniently and rapidly replacing the clamping jaws with different shapes is achieved;

(2) the limiting mechanism is fixed on the flat car, the fixing frame is rotatably connected with the flat car, the pedal ring is treaded to drive the limiting pin to be far away from the limiting tooth groove for limiting, the fixing frame can rotate on the flat car, and the workpiece can be driven to adjust the operation direction.

Drawings

FIG. 1 is a schematic front view of the structure of the present invention;

FIG. 2 is a front sectional view of the structure of the present invention;

FIG. 3 is a schematic cross-sectional front view of the second clamp assembly of FIG. 1 according to the present invention;

fig. 4 is a schematic structural front sectional view of the limiting mechanism in fig. 1 according to the present invention;

fig. 5 is a schematic top view of the fixing base and the sleeve bin shown in fig. 3 according to the present invention;

fig. 6 is a schematic side view of the structure of the turntable in fig. 1 according to the present invention.

In the figure: 1. flatbed vehicle; 2. a fixed mount; 3. a chute; 4. a ball bearing; 5. a limiting mechanism; 501. a spacing pin; 502. a step ring; 503. a first spring; 504. a limiting tooth socket; 6. a first clamp assembly; 7. a second clamp assembly; 701. a fixed seat; 702. a turntable; 703. a connecting shaft; 704. a clamping jaw; 705. a fixing assembly; 7051. sleeving a bin; 7052. a bolt; 7053. a limiting block; 7054. a card slot; 7055. a second spring; 7056. shifting blocks; 8. a clamping assembly; 801. sleeving the silk; 802. a screw rod; 803. a sleeve; 9. a guide rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides an embodiment: a clamping device for petroleum machinery workpieces comprises a flat car 1 and a fixed frame 2, wherein balls 4 are arranged on the upper surface of the flat car 1, sliding grooves 3 are connected inside the balls 4 in a sliding manner, a limiting mechanism 5 is fixed inside the flat car 1, the flat car 1 is rotatably connected with the fixed frame 2 through the sliding grooves 3, a first clamp assembly 6 and a second clamp assembly 7 are fixed inside the fixed frame 2, the first clamp assembly 6 and the second clamp assembly 7 are oppositely arranged, the second clamp assembly 7 comprises a fixed seat 701 and a connecting shaft 703, the outer surface of the fixed seat 701 is rotatably connected with a rotary table 702 through the connecting shaft 703, clamping jaws 704 are fixed on the outer surface of one side of the rotary table 702, which is far away from the fixed seat 701, the number of the clamping jaws 704 is three, the radiuses of the inner walls of the three groups of clamping jaws 704 are different, as shown in FIG. 6, the shape of the, different shapes of jaws 704 can be switched to the station by rotating the turntable 702.

The external surface of fixing base 701 is fixed with fixed subassembly 705, and carousel 702 is connected fixedly through fixed subassembly 705 and fixing base 701, one side that fixing base 701 deviates from first anchor clamps subassembly 6 is fixed with centre gripping subassembly 8, centre gripping subassembly 8 includes silk cover 801 and sleeve 803, silk cover 801 passes through the screw and is connected fixedly with the top of mount 2, the inside telescopic connection of silk cover 801 has lead screw 802, lead screw 802 passes through sleeve 803 and is connected with fixing base 701 rotation, sleeve 803 closes soon with fixing base 701 and is connected, make sleeve 803 can not drive fixing base 701 when rotating and rotate.

Further, as shown in fig. 4, the limiting mechanism 5 includes a limiting pin 501, the limiting pin 501 penetrates through the outer surface of the flat car 1, the limiting pin 501 is rotatably connected with the flat car 1, a first spring 503 is sleeved on the outer surface of the limiting pin 501, a pedal ring 502 is connected to the bottom end of the limiting pin 501 in a screwing manner, a limiting tooth slot 504 is arranged at the top end of the limiting pin 501, the limiting tooth slot 504 is arranged on the lower surface of the fixing frame 2, the top end of the limiting pin 501 is engaged with the inner wall of the limiting tooth slot 504, so that the flat car 1 and the fixing frame 2 can be connected and fixed with the limiting tooth slot 504 in a matching manner through the limiting pin 501, the limiting pin 501 can be conveniently controlled to ascend and descend on the flat car 1 by stepping on the pedal ring 502, and the sleeve 803 plays a role of providing elastic force for the limiting pin 501, so that the limiting pin 501.

Further, as shown in fig. 3 and 5, the fixing assembly 705 includes a sleeve cabin 7051, the sleeve cabin 7051 is disposed inside the fixing seat 701, a limiting block 7053 is disposed inside the sleeve cabin 7051, a bolt 7052 is sleeved on an outer surface of the limiting block 7053, the bolt 7052 is U-shaped, the bolt 7052 is fixedly connected to the fixing seat 701 through a screw, and the bolt 7052 serves to limit the limiting block 7053.

Further, as shown in fig. 3 and 5, one end of the limit block 7053 is provided with a clamping groove 7054, the clamping groove 7054 is disposed on the outer surface of the turntable 702, the limit block 7053 is fixedly inserted into the clamping groove 7054, the other end of the limit block 7053 abuts against a second spring 7055, the second spring 7055 is disposed inside the sleeve cabin 7051, the top end of the limit block 7053 penetrates through the outer surface of the bolt 7052, the top end of the limit block 7053 is sleeved with a shifting block 7056, and the second spring 7055 plays a role of providing elastic force for the limit block 7053, so that the limit block 7053 can be always kept in a state shown in fig. 3 when no external force is applied.

Further, as shown in fig. 1-2, a guide rod 9 is fixed on the outer surface of the fixing seat 701 through a screw, and the guide rod 9 at the end away from the fixing seat 701 penetrates through the outer surface of the fixing frame 2, so that when the fixing seat 701 moves left and right, the guide rod 9 can guide, and the movement stability of the fixing seat 701 is improved.

The working principle is as follows: during use, the lead screw 802 can be driven to rotate in the screw sleeve 801 by rotating the hand wheel on the lead screw 802, so that the lead screw 802 drives the second clamp assembly 7 to approach the first clamp assembly 6, and the petroleum mechanical workpiece is clamped by matching the first clamp assembly 6 and the second clamp assembly 7.

When the petroleum machinery workpiece needs to be adjusted, the pedal ring 502 is only needed to be stepped to drive the limit pin 501 to be away from the limit of the limit tooth groove 504, so that the fixing frame 2 can rotate on the flat car 1, and the workpiece can be driven to adjust the operation direction.

When the clamping jaws 704 of different shapes need to be switched, the limiting block 7053 is only needed to be pulled to be far away from the clamping groove 7054, so that the limiting of the rotary table 702 can be relieved, the rotary table 702 can rotate to switch the clamping jaws 704 of different shapes, and the switching mechanism is practical.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A clamping device for a petroleum machinery workpiece is characterized in that: the clamping device comprises a flat car (1) and a fixing frame (2), wherein balls (4) are arranged on the upper surface of the flat car (1), sliding chutes (3) are connected to the inner portions of the balls (4) in a sliding mode, limiting mechanisms (5) are fixed to the inner portions of the flat car (1), the flat car (1) is rotatably connected with the fixing frame (2) through the sliding chutes (3), first clamp assemblies (6) and second clamp assemblies (7) are fixed to the inner portions of the fixing frame (2), the first clamp assemblies (6) and the second clamp assemblies (7) are arranged in an opposite mode, each second clamp assembly (7) comprises a fixing base (701) and a connecting shaft (703), the outer surface of the fixing base (701) is rotatably connected with a rotary table (702) through the connecting shaft (703), clamping jaws (704) are fixed to the outer surface of one side, deviating from the fixing base (701), of the clamping jaws (704) are three groups, the three sets the inner wall radius of clamping jaw (704) is different, the external surface mounting of fixing base (701) has fixed subassembly (705), and carousel (702) are connected fixedly through fixed subassembly (705) and fixing base (701), one side that fixing base (701) deviate from first anchor clamps subassembly (6) is fixed with centre gripping subassembly (8), centre gripping subassembly (8) include silk cover (801) and sleeve (803), silk cover (801) are connected fixedly through the top of screw with mount (2), the inside flexible connection of silk cover (801) has lead screw (802), lead screw (802) are rotated with fixing base (701) through sleeve (803) and are connected, sleeve (803) close with fixing base (701) soon and are connected.

2. A clamping device for a petroleum machine workpiece, according to claim 1, characterized in that: stop gear (5) include spacer pin (501), the surface of flatbed (1) is run through in spacer pin (501), and spacer pin (501) and flatbed (1) rotate to be connected.

3. A clamping device for a petroleum machine workpiece, according to claim 2, characterized in that: the outer surface cover of spacer pin (501) is equipped with first spring (503), the bottom of spacer pin (501) closes soon and is connected with pedal ring (502), the top of spacer pin (501) is provided with spacing tooth's socket (504), and the lower surface in mount (2) is seted up in spacing tooth's socket (504), the top of spacer pin (501) and the inner wall meshing of spacing tooth's socket (504).

4. A clamping device for a petroleum machine workpiece, according to claim 1, characterized in that: the fixing component (705) comprises a sleeve bin (7051), the sleeve bin (7051) is arranged inside the fixing seat (701), a limiting block (7053) is arranged inside the sleeve bin (7051), a bolt (7052) is sleeved on the outer surface of the limiting block (7053), the bolt (7052) is U-shaped, and the bolt (7052) is fixedly connected with the fixing seat (701) through a screw.

5. A clamping device for a petroleum machine workpiece, according to claim 4, characterized in that: the one end of stopper (7053) is provided with draw-in groove (7054), and draw-in groove (7054) sets up in the surface of carousel (702), stopper (7053) and draw-in groove (7054) are inserted and are closed fixedly, the other end butt of stopper (7053) has connect second spring (7055), and second spring (7055) set up in the inside of cover storehouse (7051), the surface of bolt (7052) is run through to the top of stopper (7053), shifting block (7056) has been cup jointed on the top of stopper (7053).

6. A clamping device for a petroleum machine workpiece, according to claim 1, characterized in that: the outer surface of the fixing seat (701) is fixed with a guide rod (9) through a screw, and the guide rod (9) at one end departing from the fixing seat (701) penetrates through the outer surface of the fixing frame (2).