CN211540854U

CN211540854U - Rotary machining clamp for plunger pump cylinder

Info

Publication number: CN211540854U
Application number: CN202020135074.7U
Authority: CN
Inventors: 谭水英
Original assignee: Guangzhou Wentai Machinery Equipment Manufacturing Co ltd
Current assignee: Guangzhou Wentai Machinery Equipment Manufacturing Co ltd
Priority date: 2020-01-21
Filing date: 2020-01-21
Publication date: 2020-09-22
Anticipated expiration: 2030-01-21

Abstract

The utility model belongs to the technical field of plunger pump cylinder body processing, in particular to a rotary processing fixture of a plunger pump cylinder body, which comprises a workbench and a plunger pump cylinder body, wherein a circular mounting cover is arranged on the upper side of a T-shaped supporting bar, a cross-shaped slider is assembled on four cross-shaped through grooves, V-shaped clamping seats are fixedly connected on the upper ends of the four cross-shaped sliders, the other ends of four branches are rotatably connected with lantern rings, lantern ring threads are connected with screw rods, a sleeve rod is fixedly connected on one side of the circle center of the supporting bar, a limiting groove is matched with the position of a positioning pin, and a limiting component matched with the limiting groove is fixedly connected on the upper side of the workbench. The working efficiency of the user is increased.

Description

Rotary machining clamp for plunger pump cylinder

Technical Field

The utility model belongs to the technical field of plunger pump cylinder body processing, concretely relates to rotatory processing anchor clamps of plunger pump cylinder body.

Background

The plunger pump is an important device of the hydraulic system. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity so as to absorb and press oil. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow regulation and the like, and a plunger pump cylinder body 1 (as shown in figure 1) is provided, a plurality of cylinder body holes 101 are uniformly distributed on the upper side of the plunger pump cylinder body 1 in a circular array, in the processing process of the plunger pump cylinder body 1, the cylinder body hole 101 needs to be honed, but the positioning effect of the plunger pump cylinder body 1 by the current plunger pump cylinder body 1 clamp is not good, and after the honing of one cylinder hole 101 is completed, the fixation of the plunger pump cylinder 1 needs to be cancelled, the position of the plunger pump cylinder 1 is rotated, the plunger pump cylinder 1 is positioned again, the next cylinder hole 101 is matched with the honing equipment, so that the worker needs to repeatedly adjust the position of the plunger pump cylinder, repeated positioning and clamping influence the working efficiency of workers and increase the workload of the workers.

SUMMERY OF THE UTILITY MODEL

The utility model aims at: the rotary processing clamp for the plunger pump cylinder body is provided, the plunger pump cylinder body is fixed conveniently, the plunger pump cylinder body is accurately positioned, the plunger pump cylinder body does not need to be clamped and positioned again when the position of the plunger pump cylinder body needs to be adjusted, the workload of workers is reduced, and the working efficiency of a user is increased.

In order to realize the technical purpose, the utility model discloses a technical scheme as follows:

the rotary machining fixture for the plunger pump cylinder comprises a workbench and a plunger pump cylinder body, wherein a plurality of cylinder body holes are formed in the upper side of the plunger pump cylinder body, a T-shaped sliding groove is formed in the upper side of the workbench and is circular, a T-shaped supporting strip is assembled in the T-shaped sliding groove, a circular mounting cover is arranged on the upper side of the T-shaped supporting strip, the plunger pump cylinder body is assembled at the circle center position of the upper side of the circular mounting cover, an inner cavity is formed between the circular mounting cover and the workbench, four crossed through grooves are formed in the upper side of the circular mounting cover and distributed around the circular array of the circle center of the circular mounting cover, crossed sliding blocks are assembled in the four crossed through grooves, the upper ends of the four crossed sliding blocks are fixedly connected with V-shaped clamping seats, the openings of the four V-shaped clamping seats point to the circle center of the circular mounting, the other ends of the four branch rods are rotatably connected with a lantern ring, the lantern ring is in threaded connection with a screw rod, the upper end of the screw rod is rotatably connected with the inner wall of the upper side of the inner cavity, the lower end of the screw rod penetrates through the workbench and is provided with a rotating handle, the upper side of the circular mounting cover is provided with a support rod, the support rod is fixedly connected with a loop rod facing to one side of the circle center of the circular mounting cover, the loop rod is assembled in a sliding manner, the rear side of the support rod is fixedly connected with a slide rod, the upper side of the loop rod is provided with a slide groove matched with the slide rod, the upper side of the slide rod penetrates through the slide groove and is in threaded connection with a locking block, one side of the support rod, which is close to the circle center of the circular mounting cover, is assembled in a, the limiting groove is matched with the positioning pin in position, and the upper side of the workbench is fixedly connected with a limiting assembly matched with the limiting groove.

By adopting the technical proposal of the utility model, when the plunger pump cylinder body needs to be fixed, the plunger pump cylinder body is placed between the four V-shaped clamping seats, the locking block is unscrewed, the limit to the slide bar is cancelled, thereby the limit to the positioning bar is cancelled, the sliding positioning bar is positioned at the upper side of the plunger pump cylinder body, at the moment, the positioning pin is inserted to pass through the positioning bar and enter the cylinder body hole at one side of the plunger pump cylinder body close to the positioning bar, at the moment, the rotating handle is rotated in the forward direction to drive the screw rod to rotate, the lantern ring is driven to move downwards, the lantern ring moves downwards, and the four cross-shaped sliding blocks are driven to move in the cross-shaped through grooves by the four branch rods, thereby the V-shaped clamping seats are simultaneously close to the circle center of the circular mounting cover, thereby the plunger pump cylinder body is corrected, the plunger pump cylinder body is pushed to the circle center, the positioning pin is inserted into the cylinder body hole, the positioning rod moves linearly in the loop bar along with the plunger pump cylinder body, so that the cylinder body hole into which the positioning pin is inserted can only perform linear displacement without deviation, the intervals among the cylinder body holes are constant, all the cylinder body hole positions are positioned, and the positioning pin positions are matched with the limiting grooves, so that the cylinder body holes are respectively matched with the limiting groove positions, the positioning pin is taken out at the moment, the positioning rod is retracted into the supporting rod, the sliding rod moves backwards in the sliding groove until the sliding rod contacts the rear side of the sliding groove, the locking block is screwed down to limit the positioning rod at the moment, and the influence of the positioning rod on honing is prevented; the cylinder body holes can be honed, after one cylinder body hole is honed, the limiting assembly is used for eliminating limiting of the limiting groove, so that the limiting of the limiting disc is eliminated, the circular mounting cover can be rotated through the rotating circular ring, the T-shaped supporting bar rotates in the T-shaped sliding groove until an adjacent limiting groove moves to the position of the limiting assembly, then the limiting groove is limited through the limiting assembly, the adjacent non-honed cylinder body hole rotates to move to the honing position of the previous cylinder body hole, and the non-honed cylinder body hole can be honed; after honing is accomplished to all cylinder body holes, the direction is rotated and is rotated the handle, with the same reason, drive four V-arrangement cassettes simultaneously and remove to keeping away from plunger pump cylinder body one side, thereby it is spacing to the plunger pump cylinder body to cancel, can cancel the plunger pump cylinder body this moment, this device simple structure, when convenient fixed convenient to the plunger pump cylinder body, it is accurate to plunger pump cylinder body location, and when needs adjustment plunger pump cylinder body position, need not carry out clamping and location to the plunger pump cylinder body again, staff's work burden has been reduced, user's work efficiency has been increased.

Further defined, the spacing assembly includes: mount pad, spring, limit slide, locking lever, latch fitting and pulling handle, the mount pad is equipped with the through-hole, the through-hole rear side is equipped with places the hole, spring one side with place hole bottom fixed connection, spring opposite side and limit slide fixed connection, limit slide and locking lever fixed connection, the locking lever opposite side runs through hole and latch fitting fixed connection, latch fitting and spacing groove phase-match, the mount pad is equipped with logical groove, pulling handle one side runs through logical groove and limit slide fixed connection. Such structure, pulling handle makes the pulling handle at logical inslot rearward movement, drive limit slider and placing downthehole rearward movement, spring compression, the locking lever is followed limit slider rearward movement, thereby it shifts out from spacing inslot to drive the latch fitting, but the spacing disc of free rotation this moment, then loosen the pulling handle, because the spring stretches, drive the latch fitting and withstand spacing disc side, when straight adjacent spacing groove removes the latch fitting position, the spring stretches and makes the latch fitting top go into adjacent spacing inslot, carry on spacingly to spacing disc, thereby it is spacing to circular installation cover.

Further limited, a plurality of clamping teeth are arranged at the openings of the four V-shaped clamping seats. By means of the structure, the friction force at the opening of the four V-shaped clamping seats is increased, and the four V-shaped clamping seats are more stable to fix the cylinder body of the plunger pump.

Further, the surface of the rotating handle is provided with patterns. With the structure, a user can rotate the rotating handle conveniently.

Further inject, the handle rotates and can dismantle fixed connection with the screw rod, T shape support bar can dismantle fixed connection with circular installation cover. With the structure, a user can detach the circular mounting cover and maintain the branch rod, the lantern ring and the screw rod in daily maintenance.

The utility model discloses have following advantage with prior art relative ratio:

this device simple structure, when fixed convenient to plunger pump cylinder body, accurate to plunger pump cylinder body location, and when needs adjustment plunger pump cylinder body position, need not carry out clamping and location to the plunger pump cylinder body again, reduced staff's work burden, increased user's work efficiency.

Drawings

The present invention can be further illustrated by the non-limiting examples given in the accompanying drawings;

FIG. 1 is a schematic structural view of a plunger pump cylinder body according to an embodiment of the rotary processing fixture for the plunger pump cylinder body of the present invention;

FIG. 2 is a schematic structural view of an embodiment of the rotary processing fixture for a plunger pump cylinder of the present invention;

FIG. 3 is an enlarged schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic cross-sectional view of an embodiment of the fixture for rotary processing of a cylinder body of a plunger pump according to the present invention;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is an enlarged view of the structure at C in FIG. 4;

the main element symbols are as follows:

the device comprises a workbench 1, a plunger pump cylinder 10, a cylinder hole 101, a T-shaped sliding groove 11, a T-shaped supporting bar 12, a circular mounting cover 13, an inner cavity 131, a cross through groove 14, a cross slide block 15, a V-shaped clamping seat 16, a clamping tooth 161, a branch rod 162, a lantern ring 17, a screw rod 18, a rotating handle 19, a supporting rod 2, a lantern ring 21, a positioning rod 22, a sliding rod 24, a sliding groove 241, a locking block 25, a positioning pin 26, a rotating ring 27, a limiting disc 28, a limiting groove 281, a mounting seat 3, a through hole 30, a placing hole 301, a through groove 302, a spring 31, a limiting slide block 32, a locking rod 33, a locking piece 34 and a pulling.

Detailed Description

In order to make the present invention better understood by those skilled in the art, the technical solutions of the present invention are further described below with reference to the accompanying drawings and examples.

As shown in fig. 2-6, the rotary machining fixture for the plunger pump cylinder of the present invention comprises a working table 1 and a plunger pump cylinder 10, wherein a plurality of cylinder holes 101 are formed in the upper side of the plunger pump cylinder 10, a T-shaped chute 11 is formed in the upper side of the working table 1, the T-shaped chute 11 is circular, a T-shaped support bar 12 is assembled in the T-shaped chute 11, a circular mounting cover 13 is arranged on the upper side of the T-shaped support bar 12, the plunger pump cylinder 10 is assembled at the circle center of the circular mounting cover 13, an inner cavity 131 is formed between the circular mounting cover 13 and the working table 1, four communicating slots 14 are formed in the upper side of the circular mounting cover 13, the four communicating slots 14 are distributed around the circular array of the circle center of the circular mounting cover 13, the four communicating slots 14 are respectively assembled with a cross slider 15, the upper ends of the four cross sliders 15 are respectively and fixedly connected, the lower ends of four crosshead shoes 15 all extend into an inner cavity 131 and are rotatably connected with branch rods 162, the other ends of the four branch rods 162 are rotatably connected with a lantern ring 17, the lantern ring 17 is in threaded connection with a screw rod 18, the upper end of the screw rod 18 is rotatably connected with the inner wall of the upper side of the inner cavity 131, the lower end of the screw rod 18 penetrates through a workbench 1 and is provided with a rotating handle 19, the upper side of a circular mounting cover 13 is provided with a support rod 2, one side of the support rod 2 facing the center of the circle of the circular mounting cover 13 is fixedly connected with a lantern ring 21, the lantern ring 21 is slidably assembled with a positioning rod 22, the rear side of the positioning rod 22 is fixedly connected with a slide rod 24, the upper side of the lantern ring 21 is provided with a slide groove 241 matched with the slide rod 24, the upper side of the slide rod 24 penetrates through the slide groove 241 and is in, the limiting disc 28 is provided with a plurality of limiting grooves 281 respectively matched with the positions of the plurality of cylinder holes 101, the limiting grooves 281 are matched with the positions of the positioning pins 26, and the upper side of the workbench 1 is fixedly connected with limiting components matched with the limiting grooves 281.

By adopting the technical scheme of the utility model, when the plunger pump cylinder body 10 needs to be fixed, the plunger pump cylinder body 10 is placed between the four V-shaped clamping seats 16, the locking block 25 is unscrewed, the limit of the slide rod 24 is cancelled, thereby the limit of the positioning rod 22 is cancelled, the sliding positioning rod 22 is positioned at the upper side of the plunger pump cylinder body 10, at the moment, the positioning pin 26 is inserted to pass through the positioning rod 22 and enter the cylinder body hole 101 at one side of the plunger pump cylinder body 10 close to the positioning rod 22, at the moment, the rotating handle 19 is rotated positively, the screw rod 18 is driven to rotate, the lantern ring 17 is driven to move downwards, the lantern ring 17 moves downwards, and the four cross sliders 15 are driven to move in the cross through groove 14 through the four branch rods 162, so that the V-shaped clamping seats 16 are simultaneously close to the circle center of the circular mounting cover 13, thereby the plunger pump cylinder body 10 is corrected, the plunger pump cylinder body 10 is driven to the circle center of the, in the process of fixing the plunger pump cylinder 10, because the positioning pin 26 is inserted into the cylinder hole 101, the positioning rod 22 moves linearly in the loop bar 21 along with the plunger pump cylinder 10, the cylinder hole 101 inserted with the positioning pin 26 can only do linear displacement without deviation, and the intervals between the cylinder holes 101 are fixed, so that the positions of all the cylinder holes 101 are positioned, and because the position of the positioning pin 26 is matched with the position-limiting groove 281, a plurality of the cylinder holes 101 are respectively matched with the positions of a plurality of the position-limiting grooves 281, at the moment, the positioning pin 26 is taken out, the positioning rod 22 is taken back into the support rod 2, the slide rod 24 moves backwards in the slide groove 241 until the slide rod 24 contacts the rear side of the slide groove 241, at the moment, the locking block 25 is screwed down to limit the positioning rod 22, and the honing is prevented from being influenced; at the moment, the cylinder body holes 101 can be honed, after one cylinder body hole 101 is honed, the limiting assembly is used for eliminating limiting of the limiting groove 281, so that the limiting of the limiting disc 28 is eliminated, at the moment, the circular mounting cover 13 can be rotated through the rotating ring 27, the T-shaped supporting bar 12 rotates in the T-shaped sliding groove 11 until the adjacent limiting groove 281 moves to the position of the limiting assembly, then the limiting groove 281 is limited through the limiting assembly, at the moment, the adjacent non-honed cylinder body hole 101 rotates to move to the honing position of the previous cylinder body hole 101, and at the moment, the non-honed cylinder body hole 101 can be honed; when carrying out the honing to all cylinder body holes 101 and accomplish the back, the direction is rotated and is rotated handle 19, with the same reason, drive four V-arrangement cassette 16 simultaneously and remove to keeping away from plunger pump cylinder body 10 one side, thereby the cancellation is spacing to plunger pump cylinder body 10, can cancel plunger pump cylinder body 10 this moment, this device simple structure, when convenient fixed convenient to plunger pump cylinder body 1, it is accurate to plunger pump cylinder body 1 location, and when needs adjustment plunger pump cylinder body position, need not carry out clamping and location to the plunger pump cylinder body again, staff's work burden has been reduced, user's work efficiency has been increased.

Preferably spacing subassembly includes: mount pad 3, spring 31, limit slide 32, locking lever 33, latch fitting 34 and pulling handle 35, mount pad 3 is equipped with through-hole 30, through-hole 30 rear side is equipped with places hole 301, spring 31 one side with place hole 301 bottom fixed connection, spring 31 opposite side and limit slide 32 fixed connection, limit slide 32 and locking lever 33 fixed connection, through-hole 30 and latch fitting 34 fixed connection are run through to locking lever 33 opposite side, latch fitting 34 and spacing groove 281 phase-match, mount pad 3 is equipped with logical groove 302, pulling handle 35 one side is run through logical groove 302 and limit slide 32 fixed connection. Such structure, pulling handle 35 makes pulling handle 35 move backward in logical groove 302, drive limit slide 32 and move backward in placing the hole 301, the spring 31 compresses, locking lever 33 follows limit slide 32 and moves backward, thereby drive latch fitting 34 and move out from spacing inslot 281, spacing disc 28 of free rotation this moment, then loosen pulling handle 35, because spring 31 stretches, drive latch fitting 34 and withstand spacing disc 28 side, when straight adjacent spacing inslot 281 moved latch fitting 34 position, spring 31 stretches and makes latch fitting 34 withstand into adjacent spacing inslot 281, carry on spacingly to spacing disc 28, thereby it is spacing to circular installation cover 13. In fact, other configurations are contemplated as appropriate to limit the position of the limiting disk 28 and thus the circular mounting cup 13.

Preferably, a plurality of clamping teeth 161 are arranged at the openings of the four V-shaped clamping seats 16. By adopting the structure, the friction force at the opening of the four V-shaped clamping seats 16 is increased, so that the four V-shaped clamping seats 16 can fix the plunger pump cylinder body 10 more stably. In fact, other structures can be considered according to specific situations, so that the friction force at the openings of the four V-shaped clamping seats 16 is increased, and the four V-shaped clamping seats 16 can be more stably fixed on the plunger pump cylinder body 10.

The surface of the rotating handle 19 is preferably provided with a pattern. With this structure, the user can rotate the turning handle 19 conveniently. In fact, other configurations are contemplated as appropriate to facilitate the user's turning of the twist grip 19.

Preferably, the rotating handle 19 is detachably and fixedly connected with the screw 18, and the T-shaped supporting bar 12 is detachably and fixedly connected with the circular mounting cover 13. With the structure, a user can conveniently detach the circular mounting cover 13 and perform daily maintenance on the branch, the lantern ring and the screw rod. In fact, other structures can be considered according to specific situations, so that a user can conveniently detach the circular mounting cover 13 to perform daily maintenance on the branch, the lantern ring and the screw rod.

The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.

Claims

1. Rotatory processing anchor clamps of plunger pump cylinder body, including workstation (1) and plunger pump cylinder body (10), plunger pump cylinder body (10) upside is equipped with a plurality of cylinder holes (101), its characterized in that: the upper side of the workbench (1) is provided with a T-shaped sliding groove (11), the T-shaped sliding groove (11) is circular, a T-shaped supporting bar (12) is assembled in the T-shaped sliding groove (11), a circular mounting cover (13) is arranged on the upper side of the T-shaped supporting bar (12), the plunger pump cylinder body (10) is assembled at the circle center position on the upper side of the circular mounting cover (13), an inner cavity (131) is formed between the circular mounting cover (13) and the workbench (1), the upper side of the circular mounting cover (13) is provided with four crossed through grooves (14), the four crossed through grooves (14) are distributed around the circular array of the circle center of the circular mounting cover (13), the four crossed through grooves (14) are all assembled with crossed sliding blocks (15), the upper ends of the four crossed sliding blocks (15) are all fixedly connected with V-shaped clamping seats (16), and the openings of the four V-shaped clamping seats, the four cross sliding blocks (15) are all stretched into an inner cavity (131) to be connected with branch rods (162) in a rotating mode, the four branch rods (162) are connected with a sleeve ring (17) in a rotating mode, the sleeve ring (17) is in threaded connection with a screw rod (18), the upper end of the screw rod (18) is in rotating connection with the inner wall of the upper side of the inner cavity (131), the lower end of the screw rod (18) penetrates through a workbench (1) to be provided with a rotating handle (19), a supporting rod (2) is arranged on the upper side of a circular mounting cover (13), the supporting rod (2) is fixedly connected with a sleeve rod (21) towards one side of the circle center of the circular mounting cover (13), the sleeve rod (21) is assembled with a positioning rod (22) in a sliding mode, a sliding rod (24) is fixedly connected to the rear side of the positioning rod (22), a sliding groove (241) matched with the sliding rod (, locating lever (22) are close to circular installation cover (13) centre of a circle one side and slide and be equipped with cylinder body hole (101) assorted locating pin (26), circular installation cover (13) fixedly connected with rotates ring (27), circular installation cover (13) downside fixedly connected with spacing disc (28), spacing disc (28) are equipped with a plurality of respectively with a plurality of cylinder body hole (101) position assorted spacing groove (281), spacing groove (281) and locating pin (26) position phase-match, workstation (1) upside fixedly connected with and spacing groove (281) assorted spacing subassembly.

2. The rotary processing jig for the cylinder block of the plunger pump according to claim 1, characterized in that: the spacing subassembly includes: mount pad (3), spring (31), stop block (32), locking lever (33), latch fitting (34) and pulling handle (35), mount pad (3) are equipped with through-hole (30), through-hole (30) rear side is equipped with places hole (301), spring (31) one side with place hole (301) bottom fixed connection, spring (31) opposite side and stop block (32) fixed connection, stop block (32) and locking lever (33) fixed connection, locking lever (33) opposite side runs through-hole (30) and latch fitting (34) fixed connection, latch fitting (34) and spacing groove (281) phase-match, mount pad (3) are equipped with logical groove (302), pulling handle (35) one side runs through logical groove (302) and stop block (32) fixed connection.

3. The rotary processing jig for the cylinder block of the plunger pump according to claim 1, characterized in that: a plurality of clamping teeth (161) are arranged at the openings of the four V-shaped clamping seats (16).

4. The rotary processing jig for the cylinder block of the plunger pump according to claim 1, characterized in that: the surface of the rotating handle (19) is provided with patterns.

5. The rotary processing jig for the cylinder block of the plunger pump according to claim 1, characterized in that: the rotary handle (19) is detachably and fixedly connected with the screw rod (18), and the T-shaped support bar (12) is detachably and fixedly connected with the circular mounting cover (13).