CN211249214U

CN211249214U - Frock clamp is used in piston cylinder processing

Info

Publication number: CN211249214U
Application number: CN201922277853.0U
Authority: CN
Inventors: 陆佳明; 杨俊�; 陈建江
Original assignee: Wuxi Guangshuo Precision Machinery Co ltd
Current assignee: Wuxi Guangshuo Precision Machinery Co ltd
Priority date: 2019-12-17
Filing date: 2019-12-17
Publication date: 2020-08-14
Anticipated expiration: 2029-12-17

Abstract

The utility model relates to the field of part processing tools, and discloses a tool clamp for piston cylinder processing, which comprises a supporting seat, wherein the supporting seat is provided with a supporting part and a clamping part, the supporting part is arranged below a fixed hole, and the clamping part is clamped on a base; the supporting part comprises a supporting block fixedly connected to the supporting seat, a limiting seat fixedly connected to the supporting block and a limiting column fixedly connected to the limiting seat, and the limiting column penetrates through the fixing hole; the clamping part comprises a hydraulic cylinder arranged in the supporting block, a telescopic rod connected to one end of an output shaft of the hydraulic cylinder, a connecting plate fixedly connected to one end of the telescopic rod, which is far away from the hydraulic cylinder, and L-shaped pressing plates hinged to two ends of the connecting plate, wherein the telescopic rod is arranged along the vertical direction, the vertical section of each L-shaped pressing plate is hinged to the connecting plate, and the horizontal section of each L-shaped pressing plate is abutted to the surface of the base; the supporting seat is also provided with a positioning component; the utility model has the advantages of with the piston cylinder fast fixation.

Description

Frock clamp is used in piston cylinder processing

Technical Field

The utility model relates to a parts machining frock, in particular to frock clamp is used in piston cylinder processing.

Background

As shown in fig. 1, the piston cylinder is an irregular hollow structure and comprises a base 1, a main cylinder body 101 and an auxiliary cylinder body 102, the sections of the two ends of the main cylinder body 101 are circular with different sizes, the cavity of the main cylinder body 1 is of a gradually changing step shape, the end with the larger cross section area of the main cylinder body 101 is fixedly connected to the base 1, the circumference of the end with the larger cross section of the main cylinder body 101 is provided with a plurality of positioning holes 104, the length center of the auxiliary cylinder body 102 penetrates through the base 1 to be fixedly connected with the base 1, and the base 1 is provided with three fixing holes 103 which are distributed in; the piston cylinder is generally formed by casting, further precision forming processing is needed to be carried out on the piston cylinder before application, and the piston cylinder is convenient to process by clamping and fixing the piston cylinder by a tool clamp which is suitable for conveniently carrying out precision processing on two ends of the piston cylinder.

At present, Chinese patent with publication number CN203062510U discloses a large-cylinder-diameter piston ring conical surface processing tool fixture, which comprises a mandrel, a sliding sleeve, a positioning plate and a pressing plate; the core shaft is provided with a spiral groove for limiting the sliding displacement of the sliding sleeve, the core shaft is connected with the sliding sleeve through a positioning pin, and one end of the positioning pin is positioned in the spiral groove of the core shaft; the positioning sleeve is fixedly connected with the sliding sleeve through a bolt, the positioning plate is fixedly arranged on the mandrel, and a pressing plate connected with the bolt is arranged at the end, close to the positioning plate, of the mandrel.

Although the utility model discloses a piston ring centre gripping and fixed problem with required processing have been solved, it adopts fixed modes such as bolt and locating pin axle, and when fixed piston ring, the staff need with the position sleeve screw in, the piston ring of packing into, the clamp plate is put into, and the nut compresses tightly. When the piston ring is disassembled, the positioning sleeve is screwed out, the grinding wheel grinds, the compression nut is loosened, the pressing plate is taken out, and then the piston ring is taken out. The whole installation and disassembly process is extremely complicated, and the machining efficiency of the piston ring is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock clamp is used in piston cylinder processing has the advantage with the piston cylinder quick fixation.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a work fixture for processing a piston cylinder comprises a supporting seat, wherein a supporting part and a clamping part are arranged on the supporting seat, the supporting part is arranged below a fixing hole, and the clamping part is clamped on a base;

the supporting part comprises a supporting block fixedly connected to the supporting seat, a limiting seat fixedly connected to the supporting block and a limiting column fixedly connected to the limiting seat, and the limiting column penetrates through the fixing hole;

the clamping part comprises a hydraulic cylinder arranged inside the supporting block, a telescopic rod connected to one end of an output shaft of the hydraulic cylinder, a connecting plate fixedly connected to the telescopic rod and far away from one end of the hydraulic cylinder, and L-shaped pressing plates hinged to two ends of the connecting plate, wherein the telescopic rod is arranged in the vertical direction, the vertical sections of the L-shaped pressing plates are hinged to the connecting plate, and the horizontal sections of the L-shaped pressing plates are abutted to the surface of the base.

By adopting the technical scheme, the fixing hole in the piston cylinder is sleeved on the limiting column in a penetrating manner, and the outer edge of the fixing hole is abutted against the limiting seat, so that the piston cylinder is supported from one side of the base; the L-shaped pressing plate is adjusted to be pressed on a non-processing position on the base, the hydraulic cylinder moves downwards to drive the telescopic rod to contract downwards, one end of the L-shaped pressing plate abuts against the base, and the piston cylinder can be pressed from the other side of the base. The utility model discloses a supporting part has the advantage with the piston cylinder quick fixation with the setting of clamping part.

Furthermore, a positioning table is further arranged on the supporting seat, a positioning seat is fixedly connected to the positioning table, a positioning column is fixedly connected to the positioning seat, and the positioning column penetrates through a cavity of the main cylinder body.

Through adopting above-mentioned technical scheme, the reference column wears to overlap in the cavity of main cylinder body, extends certain degree of depth to the cavity in simultaneously, can play the effect of stabilizing the support to the cylinder body, has improved the position stability of piston cylinder on the supporting seat.

Furthermore, a limiting hole is formed in the positioning table, a positioning bolt penetrates through the limiting hole and is in threaded connection with the supporting seat.

Through adopting above-mentioned technical scheme, adjust positioning bolt and insert in the supporting seat and screw up, improved the stability of being connected between location platform and the supporting seat.

Furthermore, a connecting hole is formed in the supporting block, a locking bolt penetrates through the connecting hole and is in threaded connection with the supporting seat.

Through adopting above-mentioned technical scheme, utilize the frictional force between locking bolt and the supporting seat, realize the location to the supporting shoe, prevent that the supporting shoe from sliding, cause the offset of piston cylinder in the course of working.

Furthermore, a positioning sleeve is fixedly connected to the supporting block, and the telescopic rod penetrates through the positioning sleeve in a sliding mode.

By adopting the technical scheme, the positioning sleeve has a limiting effect on the sliding of the telescopic rod, and the possibility that the L-shaped pressing plate deflects from the base of the piston cylinder due to the deflection of the sliding direction of the telescopic rod is reduced.

Furthermore, a support column penetrating through the cavity of the auxiliary cylinder body is further arranged on the support seat.

Through adopting above-mentioned technical scheme, utilize the support column to wear to overlap in the cavity of vice cylinder body, realize the support positioning to vice cylinder body, improved the position stability of piston cylinder on the supporting seat.

Furthermore, one end fixedly connected with fixed column that the support column is close to the supporting seat, the fixed column wears to establish in the supporting seat.

Through adopting above-mentioned technical scheme, utilize the fixed column fixed support post and the phase position of supporting seat, realize that the support column supports steadily in vice cylinder body cavity.

Furthermore, one end of the limiting column, which is far away from the limiting seat, is provided with a chamfer.

Through adopting above-mentioned technical scheme, the chamfer wears to overlap and plays the guide effect in the fixed orifices to spacing post to make the piston cylinder wear to overlap on spacing post fast.

Furthermore, one end of the L-shaped pressing plate is provided with an anti-slip pad.

Through adopting above-mentioned technical scheme, the frictional force between the non-processing department on increase L shape clamp plate and the base makes stable the pressing on the base of L shape clamp plate to the realization is fixed to the position of piston cylinder, and the setting up of slipmat can play the guard action to the surface of piston cylinder simultaneously, prevents to press the in-process and causes mechanical damage to the piston cylinder.

To sum up, the utility model discloses following beneficial effect has:

1. the supporting part is supported below the base, the clamping part is pressed above the base, and the supporting part and the clamping part are matched to realize quick fixation of the position of the piston cylinder;

2. the positioning table is arranged and sleeved in the cavity of the main cylinder body in a penetrating manner, so that the main cylinder body is stably supported, and the position stability of the piston cylinder on the supporting seat is improved;

3. the setting of slipmat has increased the frictional force of non-processing department on L shape clamp plate and the base, makes on L shape clamp plate steadily compresses tightly the base, reduces the piston cylinder and takes place crooked possibility in the supporting seat surface.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a piston cylinder in the prior art;

FIG. 2 is a schematic structural diagram for embodying the supporting part in the embodiment;

FIG. 3 is an enlarged schematic structural view of a portion A in FIG. 2;

fig. 4 is a schematic cross-sectional structure diagram for embodying the fixing post in the embodiment.

In the figure, 1, a base; 101. a main cylinder body; 102. an auxiliary cylinder body; 103. a fixing hole; 104. positioning holes; 2. a support portion; 21. a support block; 211. a positioning sleeve; 22. a limiting seat; 23. a limiting column; 3. a clamping portion; 31. a hydraulic cylinder; 32. a telescopic rod; 33. a connecting plate; 34. an L-shaped pressing plate; 4. a positioning table; 41. positioning seats; 42. a positioning column; 5. a limiting hole; 6. positioning the bolt; 7. connecting holes; 8. locking the bolt; 9. chamfering; 10. a support pillar; 11. fixing a column; 12. a non-slip mat; 13. and (4) supporting the base.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b): a frock clamp for piston cylinder processing, as shown in fig. 2 and 3, includes supporting seat 13, is equipped with supporting part 2 and clamping part 3 on the supporting seat 13, and supporting part 2 sets up in the below of fixed orifices 103, and the clamping part 3 centre gripping is on base 1, and clamping part 3 is equipped with threely along base 1, corresponds the centre gripping respectively in one side of fixed orifices 103.

As shown in fig. 2 and 3, the supporting portion 2 includes a supporting block 21 fixedly connected to the supporting seat 13 (the supporting block 21 and the supporting seat 13 are integrally formed), a limiting seat 22 welded to the supporting block 21, and a limiting post 23 welded to the limiting seat 22, the limiting post 23 is inserted into the fixing hole 103, and one end of the limiting post 23 away from the limiting seat 22 is provided with a chamfer 9.

As shown in fig. 3, the clamping portion 3 includes a hydraulic cylinder 31 disposed inside the supporting block 21, a telescopic rod 32 connected to an end of an output shaft of the hydraulic cylinder 31, a connecting plate 33 welded to an end of the telescopic rod 32 remote from the hydraulic cylinder 31, and L-shaped pressing plates 34 hinged to both ends of the connecting plate 33. The telescopic link 32 has the position sleeve 211 along vertical direction, the welding on the supporting shoe 21, and telescopic link 32 slides and wears to establish in position sleeve 211, and position sleeve 211 plays spacing effect to the slip of telescopic link 32. The telescopic rod 32 moves up and down under the driving of the hydraulic cylinder 31, the vertical section of the L-shaped pressing plate 34 is hinged with the connecting plate 33, the horizontal section of the L-shaped pressing plate 34 is abutted against the surface of the base 1, and the horizontal section of the L-shaped pressing plate 34 is hinged with the non-slip mat 12.

As shown in fig. 2 and 3, firstly, the fixing hole 103 of the piston cylinder is penetrated and sleeved on the limiting column 23, and the chamfer 9 at one end of the limiting column 23 can improve the penetrating convenience of the piston cylinder, so that the piston cylinder is quickly supported; and then adjusting the non-processing position of the L-shaped pressing plate 34 on the base 1, driving the telescopic rod 32 to move downwards by the hydraulic cylinder 31 until one end of the L-shaped pressing plate 34 far away from the connecting plate 33 abuts against the base 1, increasing the friction force between the L-shaped pressing plate 34 and the base 1 by the anti-slip pad 12 on the L-shaped pressing plate 34, improving the position stability of the L-shaped pressing plate 34 on the base 1, and realizing the quick clamping and fixing of the piston cylinder.

As shown in fig. 2 and 3, the volume of the piston cylinder is large, and in order to reduce the situation that the support of the support block 21 is unstable and causes the deflection of the piston cylinder at the upper part of the support block 21, a positioning table 4 (the positioning table 4 and the support block 13 are integrally formed) is fixedly connected to the support block 13, a positioning seat 41 (the positioning seat 41 and the positioning table 4 are integrally formed) is fixedly connected to the positioning table 4, a positioning column 42 is welded to the positioning seat 41, the positioning column 42 is sleeved in the cavity of the main cylinder body 101 in a penetrating manner, and meanwhile, the positioning column 42 extends to a certain depth into the cavity, so that.

As shown in fig. 2 and 4, in order to further improve the position stability of the piston cylinder on the supporting seat 13, a supporting column 10 is welded on the supporting seat 13, and the supporting column 10 vertically penetrates through the cavity of the secondary cylinder body 102. At one end fixedly connected with fixed column 11 (fixed column 11 and support column 10 integrated into one piece) that support column 10 is close to supporting seat 13, fixed column 11 nail tightly in supporting seat 13, improved the positional stability of support column 10 on supporting seat 13, reduce the crooked phenomenon of support column 10 emergence on supporting seat 13.

As shown in fig. 2 and 3, in order to improve the position stability between the positioning table 4 and the supporting seat 13, a limiting hole 5 is formed in the positioning table 4, a positioning bolt 6 penetrates through the limiting hole 5, and the positioning bolt 6 penetrates through the positioning table 4 and is in threaded connection with the supporting seat 13. The positioning bolt 6 is inserted into the supporting seat 13 and screwed, so that the connection stability between the positioning table 4 and the supporting seat 13 is improved.

As shown in fig. 2 and 3, a connecting hole 7 is formed in the supporting block 21, a locking bolt 8 penetrates through the connecting hole 7, the locking bolt 8 penetrates through the supporting block 21 and is in threaded connection with the supporting seat 13, the supporting block 21 is positioned by using the friction force between the locking bolt 8 and the supporting seat 13, and the phenomenon that the position of the piston cylinder is deviated in the machining process due to the sliding of the supporting block 21 is reduced.

The specific implementation process comprises the following steps: firstly, the fixing hole 103 is correspondingly sleeved on the limiting column 23, the edge of the fixing hole 103 is abutted against the limiting seat 22 and is supported below the base 1, the L-shaped pressing plate 34 is adjusted to be pressed on the non-processing part of the base 1, the telescopic rod 32 moves towards one end close to the hydraulic cylinder 31 to drive the L-shaped pressing plate 34 to be abutted against the upper part of the base 1, and the position of the piston cylinder is fixed by the simultaneous action of the supporting part 2 and the clamping part 3.

Meanwhile, the main cylinder body 101 of the piston cylinder correspondingly penetrates through the positioning column 42, and the auxiliary cylinder body 102 correspondingly penetrates through the supporting column 10, so that the position stability of the piston cylinder on the supporting seat 13 is further improved, and the piston cylinder is quickly positioned.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a frock clamp is used in piston cylinder processing, includes supporting seat (13), its characterized in that: the supporting seat (13) is provided with a supporting part (2) and a clamping part (3), the supporting part (2) is arranged below the fixing hole (103), and the clamping part (3) is clamped on the base (1);

the supporting part (2) comprises a supporting block (21) fixedly connected to the supporting base (13), a limiting base (22) fixedly connected to the supporting block (21), and a limiting column (23) fixedly connected to the limiting base (22), wherein the limiting column (23) penetrates through the fixing hole (103);

clamping part (3) are including setting up in inside pneumatic cylinder (31) of supporting shoe (21), connecting telescopic link (32) in the output shaft one end of pneumatic cylinder (31), fixed connection keeping away from connecting plate (33) of pneumatic cylinder (31) one end and articulating L shape clamp plate (34) at connecting plate (33) both ends in telescopic link (32), vertical direction is followed in telescopic link (32), the vertical section and the connecting plate (33) of L shape clamp plate (34) are articulated, the horizontal segment of L shape clamp plate (34) is contradicted on the surface of base (1).

2. The work fixture for machining the piston cylinder as claimed in claim 1, wherein: still be equipped with location platform (4) on supporting seat (13), fixedly connected with positioning seat (41) on location platform (4), fixedly connected with reference column (42) on positioning seat (41), reference column (42) wear to establish in the cavity of main cylinder body (101).

3. The work fixture for machining the piston cylinder as claimed in claim 2, wherein: the positioning platform is characterized in that a limiting hole (5) is formed in the positioning platform (4), a positioning bolt (6) penetrates through the limiting hole (5), and the positioning bolt (6) penetrates through the positioning platform (4) and is in threaded connection with the supporting seat (13).

4. The work fixture for machining the piston cylinder as claimed in claim 1, wherein: the supporting block (21) is provided with a connecting hole (7), a locking bolt (8) penetrates through the connecting hole (7), and the locking bolt (8) penetrates through the supporting block (21) and is in threaded connection with the supporting seat (13).

5. The work fixture for machining the piston cylinder as claimed in claim 1, wherein: the supporting block (21) is fixedly connected with a positioning sleeve (211), and the telescopic rod (32) penetrates through the positioning sleeve (211) in a sliding mode.

6. The work fixture for machining the piston cylinder as claimed in claim 1, wherein: and the supporting seat (13) is also provided with a supporting column (10) which is arranged in the cavity of the auxiliary cylinder body (102) in a penetrating way.

7. The work fixture for machining the piston cylinder as claimed in claim 6, wherein: one end of the supporting column (10) close to the supporting seat (13) is fixedly connected with a fixing column (11), and the fixing column (11) penetrates through the supporting seat (13).

8. The work fixture for machining the piston cylinder as claimed in claim 1, wherein: and one end of the limiting column (23) far away from the limiting seat (22) is provided with a chamfer (9).

9. The work fixture for machining the piston cylinder as claimed in claim 1, wherein: the L-shaped pressing plate (34) is abutted against one end of the base (1) and is fixedly connected with an anti-slip pad (12).