CN215035492U

CN215035492U - Clamp for machining top surface and pin hole of machine body

Info

Publication number: CN215035492U
Application number: CN202120335089.2U
Authority: CN
Inventors: 邹德敏; 刘伟森
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2021-12-07
Anticipated expiration: 2031-02-05

Abstract

The utility model discloses an anchor clamps of processing organism top surface and pinhole belongs to machining anchor clamps technical field, has solved the engine organism and has added the inconvenient location of man-hour, and the clamping mode is slow, the problem of inefficiency. Including the anchor clamps base, the anchor clamps base on be equipped with the jar hole centering subassembly and the auxiliary bearing subassembly that are used for organism longitudinal positioning's that are used for pressing from both sides tight two adjacent jar hole inner walls cylinder hole centering subassembly and a plurality of auxiliary stay organisms, anchor clamps base both sides be equipped with left locating piece and right locating piece respectively, jar hole centering subassembly activity peg graft in the jar hole, the anchor clamps base on be equipped with a plurality of compressing tightly the peripheral subassembly that compresses tightly of organism. The utility model discloses an anchor clamps of processing organism top surface and pinhole utilizes from combination clamping such as centering vice subassembly, jar hole centering subassembly, auxiliary bearing subassembly, and convenient operation is swift, and the location is unified, and machining efficiency improves greatly, has convenient to use, characteristics that the practicality is strong.

Description

Clamp for machining top surface and pin hole of machine body

Technical Field

The utility model relates to a machine tooling anchor clamps technical field especially relates to an anchor clamps of processing organism top surface and pinhole.

Background

In the manufacturing process of the engine, the top surface and the pin holes of the engine body are generally required to be machined, and the existing machining scheme of the top surface and the pin holes of the engine body is that the engine body is placed on a machine tool workbench, then is leveled by an inclined iron pad, and then the top surface is machined; and changing the tool, correcting the center of the cylinder hole, and then moving the coordinate to process two pin holes. This kind of processing scheme needs to rectify plane or cylinder hole again at every processing, and the location is inconvenient, and the clamping mode is also relatively slow, and is inefficient, is unfavorable for batch production.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is not enough to the above-mentioned of prior art, provides an anchor clamps of processing organism top surface and pinhole, utilizes from combination clamping such as centering bench vice subassembly, jar hole centering subassembly, auxiliary bearing subassembly, and convenient operation is swift, and the location is unified, and machining efficiency improves greatly, has convenient to use, characteristics that the practicality is strong.

The utility model adopts the technical proposal that: the utility model provides an anchor clamps of processing organism top surface and pinhole, includes the anchor clamps base, the anchor clamps base on be equipped with and be used for pressing from both sides tight two adjacent cylinder hole inner walls from centering bench vice subassembly and the jar hole centering subassembly that is used for organism longitudinal positioning and the auxiliary bearing subassembly of a plurality of auxiliary stay organisms, anchor clamps base both sides be equipped with left locating piece and right locating piece respectively, from centering bench vice subassembly and right locating piece swing joint, from centering bench vice subassembly be located anchor clamps base intermediate position, jar hole centering subassembly activity peg graft in the jar hole, auxiliary bearing subassembly be located between organism and the anchor clamps base, the anchor clamps base on be equipped with a plurality of compressing tightly organism outlying subassemblies that compress tightly.

As a further improvement, the self-centering bench clamp assembly comprises a left clamping jaw, a right clamping jaw and a bench clamp base, wherein the left clamping jaw is installed at one end of the bench clamp base, the right clamping jaw is installed at the other end of the bench clamp base in a sliding mode, a first driving assembly for driving the right clamping jaw to slide is arranged on the bench clamp base, and the bench clamp base is connected with the clamp base.

Furthermore, the first driving assembly comprises a screw rod and a nut, one end of the screw rod movably penetrates through the bench clamp base and is connected with the right clamping jaw, and the other end of the screw rod movably penetrates through the right positioning block and is connected with the nut in a screwing mode.

Furthermore, cylinder hole centering subassembly include cylinder hole location stand and a plurality of post that rises, a plurality of posts that rise radially distribute and be in cylinder hole location stand on, every the post that rises all peg graft with cylinder hole location stand activity, cylinder hole location stand on be equipped with the second drive assembly that the post that rises along cylinder hole location stand radial movement that drives, cylinder hole location stand be connected with the anchor clamps base.

Further, the second drive assembly include housing screw and centering wedge, housing screw and jar hole location stand connect soon, centering wedge activity peg graft in jar hole location stand, the post one end that rises is provided with the wedge face, and centering wedge one end laminate mutually with the wedge face that rises and open the post, the other end with housing screw connect.

Furthermore, the other end of the expansion column is screwed with a positioning screw.

Furthermore, the auxiliary supporting assembly comprises a supporting seat, a supporting sleeve and a supporting shaft, the supporting shaft is movably inserted in the supporting seat, the supporting sleeve is inserted in the supporting seat in a sliding mode, the upper end of the supporting shaft is rotatably connected with the supporting sleeve, a resetting assembly used for resetting the supporting shaft is arranged at the lower end of the supporting shaft, the resetting assembly is installed on the supporting seat, a limiting assembly used for locking the supporting shaft is arranged on one side of the supporting seat, and the auxiliary supporting assemblies are arranged on the periphery of the clamp base and connected with the clamp base.

Furthermore, the reset assembly comprises a screw plug and a spring, the screw plug is connected with the supporting seat in a screwing mode, one end of the spring is sleeved on the screw plug, and the other end of the spring is connected with the supporting shaft.

Furthermore, the limiting assembly comprises a threaded sleeve, a threaded rod and a bolt, the threaded sleeve is connected with the supporting seat, the threaded rod is screwed on the threaded sleeve, one end of the threaded rod is connected with the bolt, the other end of the threaded rod is provided with a handle, and the bolt is inserted in the threaded sleeve in a sliding mode.

Further, the compressing assembly comprises a pressing block, a double-end screw and an ejector rod, the double-end screw and the ejector rod are connected to the clamp base in a rotating mode, one end of the pressing block is hinged to the ejector rod, the other end of the pressing block is movably connected with the double-end screw in a inserting mode, and a nut with a shoulder is arranged above the pressing block and connected with the double-end screw in a rotating mode.

Advantageous effects

Compared with the prior art, the utility model, have following advantage:

the utility model discloses an anchor clamps of processing organism top surface and pinhole, put the organism back, rotatory screw rod, make from the tight organism of centering bench vice subassembly clamp, play the transverse orientation effect, the rotatory housing screw of rethread, make the housing screw rise out and compress tightly jar hole inner wall, play the longitudinal orientation effect, later tighten the handle of auxiliary stay subassembly, be used for supporting the unsettled part of organism, reduce the organism and add vibration man-hour, three subassembly is used simultaneously, make anchor clamps once only fix a position all directions well, avoided processing next work piece repeated correction location again, and the utility model has the advantages of being convenient to use, and the application scope is wide.

Drawings

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

FIG. 2 is a schematic structural view of a self-centering vise assembly of the present invention;

FIG. 3 is a schematic structural view of a cylinder bore centering assembly according to the present invention;

FIG. 4 is a schematic structural view of an auxiliary support assembly of the present invention;

fig. 5 is a schematic structural diagram of the middle pressing assembly of the present invention.

Wherein: 1-self-centering bench clamp assembly, 2-cylinder hole centering assembly, 3-auxiliary supporting assembly, 4-left positioning block, 5-clamp base, 7-right positioning block, 10-lifting bolt, 11-right clamping jaw, 13-left clamping jaw, 14-bench clamp base, 15-screw rod, 16-nut, 17-compression screw, 18-end cover, 19-centering wedge block, 20-positioning screw, 21-expansion column, 22-cylinder hole positioning column, 23-supporting seat, 24-screw plug, 25-spring, 26-screw sleeve, 27-supporting sleeve, 28-supporting shaft, 30-bolt, 31-threaded rod, 32-handle, 33-machine body, 34-cylinder hole, 35-double-head screw rod, 36-ejector rod, 37-pressing block, 38-nut with shoulder, 39-slope, 40-cushion block, 41-dust-proof ring and 42-lubricating groove.

Detailed Description

The invention will be further described with reference to specific embodiments shown in the drawings.

Referring to fig. 1-5, a fixture for machining a top surface and a pin hole of an engine body comprises a fixture base 5, wherein the fixture base 5 is provided with a self-centering vise assembly 1 for clamping inner walls of two adjacent cylinder holes 34, a cylinder hole centering assembly 2 for longitudinally positioning the engine body 33 and auxiliary supporting assemblies 3 for supporting the engine body 33 in multiple ways, two sides of the fixture base 5 are respectively provided with a left positioning block 4 and a right positioning block 7, the self-centering vise assembly 1 is movably connected with the right positioning block 7, the self-centering vise assembly 1 is located in the middle of the fixture base 5, the cylinder hole centering assembly 2 is movably inserted into the cylinder holes 34, the auxiliary supporting assemblies 3 are located between the engine body 33 and the fixture base 5, the fixture base 5 is provided with multiple pressing assemblies for pressing the periphery of the engine body 33, and the side of the fixture base 5 is provided with a lifting ring screw 10 for facilitating installation and disassembly. The self-centering bench clamp assembly 1 clamps the machine body 33 by rotating the nut 16 on the screw rod 15, so that the machine body 33 cannot move transversely and remotely, then the positioning screw 20 rises and compresses the inner wall of the cylinder hole by rotating the compression screw 17, so that the machine body 33 cannot move longitudinally and remotely, then the handle 32 of the auxiliary supporting assembly 3 is tightened to support the suspended part of the machine body, the vibration during machining of the machine body is reduced, and finally the periphery of the machine body is compressed by the compression assembly, so that the machine body 33 can be rapidly clamped on the clamp base 5.

Concretely, from centering bench vice subassembly 1 including left clamping jaw 13, right clamping jaw 11 and bench vice base 14, left clamping jaw 13 is installed in bench vice base 14 one end, right clamping jaw 11 slidable mounting is at the other end of bench vice base 14, be equipped with the gliding first drive assembly of drive right clamping jaw 11 on the bench vice base 14, bench vice base 14 is connected with anchor clamps base 5, left clamping jaw 13, all be equipped with cushion 40 on the right clamping jaw 11, cushion 40 is connected with left clamping jaw 13, right clamping jaw 13 through the bolt respectively, the hardness of cushion 40 is lower than organism 33, cushion 40 installs on the clamping jaw, avoid the clamping jaw direct and organism 33 contact, fine guard action has been played organism 33, through exerting force to first drive assembly, make right clamping jaw 11 slide, finally press from both sides tight organism 33.

Preferably, the first driving assembly comprises a screw 15 and a nut 16, one end of the screw 15 movably penetrates through the vise base 14 and is connected with the right clamping jaw 11, the other end of the screw movably penetrates through the right positioning block 7 and is screwed with the nut 16, and the nut 16 on the screw 15 is rotated to drive the right clamping jaw 11 to slide on the vise base 14 to clamp the inner wall between the two cylinder holes, so that the machine body 33 cannot move transversely.

Further, cylinder hole centering assembly 2 includes cylinder hole location stand 22 and a plurality of post 21 that rises, a plurality of post 21 that rises radially distribute on cylinder hole location stand 22, every post 21 that rises all pegs graft with cylinder hole location stand 22 activity, be equipped with the second drive assembly that the post 21 that rises along cylinder hole location stand 22 radial movement of drive on cylinder hole location stand 22, cylinder hole location stand 22 is connected with anchor clamps base 5, through the effect to second drive assembly, make the post 21 that rises to open rise to rise and compress tightly the cylinder hole inner wall, play the longitudinal positioning effect.

Further, the second driving assembly comprises a compression screw 17 and a centering wedge block 19, the compression screw 17 is screwed with the cylinder hole positioning column 22, an end cover 18 is arranged at the upper end of the cylinder hole positioning column 22, the end cover 18 is connected with the cylinder hole positioning column 22 through a screw, the compression screw 17 is screwed on the cylinder hole positioning column 22, the centering wedge block 19 is movably inserted into the cylinder hole positioning column 22, a wedge surface is arranged at one end of the expansion column 21, one end of the centering wedge block 19 is attached to the wedge surface of the expansion column 21, the other end of the centering wedge block is connected with the compression screw 17, the centering wedge block 19 is driven to move downwards through screwing the compression screw 17, and the centering wedge block 19 is a conical block, so that the expansion column 21 is expanded to compress the inner wall of the cylinder hole.

Furthermore, the other end of the expansion column 21 is screwed with a positioning screw 20, and the length of the positioning screw 20 can be adjusted to meet the positioning requirements of the machine bodies 33 with different sizes, so that the application range of the clamp is improved.

Furthermore, the auxiliary supporting assembly 3 comprises a supporting seat 23, a supporting sleeve 27 and a supporting shaft 28, the supporting shaft 28 is movably inserted in the supporting seat 23, the supporting sleeve 27 is inserted in the supporting seat 23 in a sliding manner, the upper end of the supporting shaft 28 is rotatably connected with the supporting sleeve 27, the lower end of the supporting shaft 28 is provided with a resetting assembly for resetting the supporting shaft 28, the resetting assembly is installed on the supporting seat 23, one side of the supporting seat 23 is provided with a limiting assembly for locking the supporting shaft 28, the plurality of auxiliary supporting assemblies 3 are arranged around the clamp base 5 and connected with the clamp base, the side surfaces of the upper end and the lower end of each auxiliary supporting assembly 3 are provided with lubricating grooves 42, the sliding positions of the auxiliary supporting assemblies 3 are lubricated through the lubricating grooves 42, the service life of the auxiliary supporting assemblies 3 is prolonged, the supporting shaft 28 is provided with slopes 39, when the limiting assemblies are loosened, the supporting shaft 28 rebounds to the highest point under the action of a spring, the supporting sleeve 27 is pressed down under the action of the gravity of the machine body 33, the handle 32 is tightened to push the bolt 30 up the slope 39 of the support shaft 28, and the support shaft 28 and the support sleeve 27 cannot move downward due to the wedge effect, i.e., the downward movement is locked, so as to play a supporting role.

Further, the reset assembly comprises a screw plug 24 and a spring 25, the screw plug 24 is screwed with the supporting seat 23, one end of the spring 25 is sleeved on the screw plug 24, the other end of the spring is connected with the supporting shaft 28, and the screw plug 24 is screwed below the supporting seat 23 and is on the same axis with the supporting shaft 28.

Furthermore, the limiting assembly comprises a threaded sleeve 26, a threaded rod 31 and a bolt 30, the threaded sleeve 26 is connected with the supporting seat 23, the threaded rod 31 is screwed on the threaded sleeve 26, one end of the threaded rod 31 is connected with the bolt 30, the other end of the threaded rod is provided with a handle 32, the bolt 30 is inserted into the threaded sleeve 26 in a sliding mode, and the threaded rod 31 is detachably connected with the bolt 30, so that the parts can be conveniently installed and replaced.

Further, the pressing assembly comprises a pressing block 37, a double-end screw 35 and an ejector rod 36, the double-end screw 35 and the ejector rod 36 are both screwed on the clamp base 5, one end of the pressing block 37 is hinged to the ejector rod 36, the other end of the pressing block is movably inserted into the double-end screw 35, a shoulder nut 38 is arranged above the pressing block 37 and screwed with the double-end screw 35, when the pressing block 37 is pressed on the machine body 33, the shoulder nut 38 is screwed tightly to enable the pressing block 37 to press the machine body 33, and the machine body 33 is prevented from falling off due to shaking generated during machining.

When the clamp for processing the top surface and the pin hole of the machine body is used, the self-centering bench clamp assembly 1 is firstly installed on the clamp base 5 through the bolt, then the cylinder hole centering assembly 2 is installed on the clamp base 5 through the bolt according to the actual distance of the cylinder hole, then a plurality of auxiliary supporting assemblies 3 are installed around the clamp base 5, then a left positioning block 4, a right positioning block 7 and a pressing assembly are installed at the corresponding positions of the clamp base 5, after the clamp is installed, the machine body 33 is placed in, the machine body 33 is preliminarily positioned according to the effects of the left positioning block 4 and the right positioning block 7, the machine body 33 is clamped under the effects of the left clamping jaw 13 and the right clamping jaw 11 of the self-centering bench clamp assembly 1 through the nut 16 on the rotating screw rod 15, the machine body 33 cannot move transversely, then the machine body 20 is expanded and tightly presses the inner wall of the cylinder hole through the rotating pressing screw rod 17, so that the machine body 33 cannot move longitudinally, then, the handle 32 of the auxiliary supporting assembly 3 is tightened to push the bolt 30 up to the slope 39 of the supporting shaft 28, the supporting shaft 28 and the supporting sleeve 27 cannot move downwards due to the inclined wedge effect, namely, the downward movement is locked, the supporting effect is achieved, the vibration during the processing of the machine body 33 is reduced, and finally, the periphery of the machine body is pressed through the pressing assembly, so that the machine body 33 can be rapidly clamped on the clamp base 5. The utility model discloses an anchor clamps of processing organism top surface and pinhole utilizes from combination clamping such as centering vice subassembly 1, jar hole centering subassembly 2, auxiliary bearing subassembly 3, and convenient operation is swift, and the location is unified, and machining efficiency improves greatly, has convenient to use, characteristics that the practicality is strong.

The above is only the preferred embodiment of the present invention, and it should be noted that for those skilled in the art, without departing from the structure of the present invention, several modifications and improvements can be made, which will not affect the utility model and the utility of the patent.

Claims

1. A clamp for processing the top surface and pin holes of a machine body is characterized by comprising a clamp base (5), the fixture base (5) is provided with a self-centering bench clamp assembly (1) for clamping the inner walls of two adjacent cylinder holes (34), a cylinder hole centering assembly (2) for longitudinally positioning the machine body (33) and a plurality of auxiliary supporting assemblies (3) for supporting the machine body (33), a left positioning block (4) and a right positioning block (7) are respectively arranged at two sides of the clamp base (5), the self-centering bench clamp assembly (1) is movably connected with the right positioning block (7), the self-centering bench clamp assembly (1) is positioned in the middle of the clamp base (5), the cylinder hole centering assembly (2) is movably inserted in the cylinder hole (34), the auxiliary supporting assembly (3) is positioned between the machine body (33) and the clamp base (5), the clamp base (5) is provided with a plurality of pressing components for pressing the periphery of the machine body (33).

2. The clamp for machining the top surface and the pin hole of the machine body according to claim 1, wherein the self-centering bench clamp assembly (1) comprises a left clamping jaw (13), a right clamping jaw (11) and a bench clamp base (14), the left clamping jaw (13) is installed at one end of the bench clamp base (14), the right clamping jaw (11) is installed at the other end of the bench clamp base (14) in a sliding mode, a first driving assembly for driving the right clamping jaw (11) to slide is arranged on the bench clamp base (14), and the bench clamp base (14) is connected with the clamp base (5).

3. The clamp for machining the top surface and the pin hole of the machine body according to claim 2, wherein the first driving assembly comprises a screw rod (15) and a nut (16), one end of the screw rod (15) movably penetrates through the bench clamp base (14) and is connected with the right clamping jaw (11), and the other end of the screw rod movably penetrates through the right positioning block (7) and is connected with the nut (16) in a screwing mode.

4. The clamp for machining the top surface and the pin hole of the machine body as claimed in claim 1, wherein the cylinder hole centering assembly (2) comprises a cylinder hole positioning column (22) and a plurality of expansion columns (21), the expansion columns (21) are radially distributed on the cylinder hole positioning column (22), each expansion column (21) is movably inserted into the cylinder hole positioning column (22), a second driving assembly for driving the expansion column (21) to radially move along the cylinder hole positioning column (22) is arranged on the cylinder hole positioning column (22), and the cylinder hole positioning column (22) is connected with the clamp base (5).

5. The clamp for machining the top surface and the pin hole of the machine body as claimed in claim 4, wherein the second driving assembly comprises a compression screw (17) and a centering wedge block (19), the compression screw (17) is screwed with the cylinder hole positioning column (22), the centering wedge block (19) is movably inserted into the cylinder hole positioning column (22), a wedge surface is arranged at one end of the expanding column (21), one end of the centering wedge block (19) is attached to the wedge surface of the expanding column (21), and the other end of the centering wedge block is connected with the compression screw (17).

6. The clamp for machining the top surface and the pin hole of the machine body as claimed in claim 5, wherein the other end of the expanding column (21) is screwed with a set screw (20).

7. The clamp for machining the top surface and the pin hole of the machine body according to claim 1, wherein the auxiliary supporting assembly (3) comprises a supporting seat (23), a supporting sleeve (27) and a supporting shaft (28), the supporting shaft (28) is movably inserted into the supporting seat (23), the supporting sleeve (27) is slidably inserted into the supporting seat (23), the upper end of the supporting shaft (28) is rotatably connected with the supporting sleeve (27), a resetting assembly for resetting the supporting shaft (28) is arranged at the lower end of the supporting shaft (28), the resetting assembly is mounted on the supporting seat (23), a limiting assembly for locking the supporting shaft (28) is arranged on one side of the supporting seat (23), and the plurality of auxiliary supporting assemblies (3) are arranged around the clamp base (5) and connected with the supporting seat.

8. The clamp for machining the top surface and the pin hole of the machine body as claimed in claim 7, wherein the reset assembly comprises a screw plug (24) and a spring (25), the screw plug (24) is screwed with the supporting seat (23), one end of the spring (25) is sleeved on the screw plug (24), and the other end of the spring is connected with the supporting shaft (28).

9. The clamp for machining the top surface and the pin hole of the machine body as claimed in claim 7, wherein the limiting assembly comprises a threaded sleeve (26), a threaded rod (31) and a bolt (30), the threaded sleeve (26) is connected with the supporting seat (23), the threaded rod (31) is screwed on the threaded sleeve (26), one end of the threaded rod (31) is connected with the bolt (30), the other end of the threaded rod is provided with a handle (32), and the bolt (30) is inserted into the threaded sleeve (26) in a sliding mode.

10. The clamp for machining the top surface and the pin hole of the machine body as claimed in claim 1, wherein the compression assembly comprises a pressing block (37), a double-threaded screw (35) and a push rod (36), the double-threaded screw (35) and the push rod (36) are both screwed on the clamp base (5), one end of the pressing block (37) is hinged to the push rod (36), the other end of the pressing block is movably inserted into the double-threaded screw (35), and a nut (38) with a shoulder is arranged above the pressing block (37) and screwed on the double-threaded screw (35).