CN211805503U

CN211805503U - Cylinder body clamping device of V-shaped cylinder body cylinder hole honing fixture

Info

Publication number: CN211805503U
Application number: CN202020443754.5U
Authority: CN
Inventors: 冯文源
Original assignee: Guangxi Yuchai Machinery Co Ltd
Current assignee: Guangxi Yuchai Machinery Co Ltd
Priority date: 2020-03-31
Filing date: 2020-03-31
Publication date: 2020-10-30
Anticipated expiration: 2030-03-31

Abstract

The utility model discloses a cylinder body clamping device of a V-shaped cylinder body cylinder hole honing fixture, belonging to the honing fixture, solving the problem that the prior honing fixture can not carry out cylinder hole honing processing of two V-shaped cylinder bodies of six cylinders and eight cylinders; the clamping device comprises a base, a left positioning seat and a right positioning seat, wherein the left positioning seat and the right positioning seat are arranged at two ends of the base, a positioning pin is arranged in the left positioning seat, a left driving device for driving the positioning pin to move is further arranged on one side of the left positioning seat, a right driving device for driving the clamping pin to move is further arranged at one end of the right positioning seat, a rack is arranged on the positioning pin along the axis direction of the positioning pin, the left driving device comprises a gear connected with the rack in a meshed mode and a gear shaft connected with the gear, and a limiting structure for limiting the rotation of the positioning pin is arranged between the positioning pin and the left positioning. The utility model discloses can be compatible carry out the cylinder hole honing process of two kinds of V type cylinder blocks of six jars, eight jars, save the use of anchor clamps.

Description

Cylinder body clamping device of V-shaped cylinder body cylinder hole honing fixture

Technical Field

The utility model relates to a honing anchor clamps, more specifically say, especially relate to a cylinder body clamping device of V type cylinder block jar hole honing anchor clamps.

Background

As shown in fig. 1, the actions of the main shaft hole clamping pin inserted pins at both ends of the existing V-shaped cylinder block cylinder hole honing fixture are both screw rod 19 and threaded sleeve 20 structures, the screw rod 19 is rotated to drive the clamping pin 18 to displace so as to clamp the cylinder block, only a six-cylinder V-shaped cylinder block can be processed due to the influence of the machine tool space, when an eight-cylinder V-shaped cylinder block is processed by changing the model, the screw rod movement is interfered, the honing fixture needs to be changed on the machine tool, the usage amount of the honing fixture is increased, the investment cost is increased, the installation and adjustment time of the two models of model changing, processing and changing the fixture is increased, and the improvement of the production efficiency is.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cylinder body clamping device of V type cylinder block jar hole honing anchor clamps utilizes this clamping device can be compatible carry out six jars, eight jar hole honing process of two kinds of V type cylinder blocks, has not only saved anchor clamps, but also has improved production efficiency.

The utility model adopts the technical scheme as follows:

the utility model provides a cylinder body clamping device of V type cylinder block jar hole honing anchor clamps, includes the base and is located left positioning seat, the right positioning seat at base both ends, left positioning seat in be equipped with the locating pin, right positioning seat in be equipped with and press from both sides tight round pin, left positioning seat one side still be equipped with the left drive arrangement of drive locating pin motion, right positioning seat one end still be equipped with the right drive arrangement of drive clamp pin motion, the locating pin is provided with the rack along its axis direction, left drive arrangement include with gear that rack toothing links to each other and with the gear shaft that the gear links to each other, the locating pin with be provided with the restriction between the left positioning seat locating pin pivoted limit structure, be provided with the positioner who supports V type cylinder block on the base.

Furthermore, limit structure is including setting up spacing groove on the locating pin and setting up the stop screw on the left side positioning seat, stop screw's bottom joint is in the spacing inslot.

Furthermore, one end of the left positioning seat is provided with a gear guide sleeve sleeved on the periphery of the gear shaft, a groove is formed in the gear shaft, and a first screw clamped in the groove is arranged on the gear guide sleeve.

Further, a second screw for limiting the gear to move along the axial direction of the gear is arranged on the gear shaft.

Furthermore, the positioning device comprises a tower-shaped sloping platform arranged on the base, a first inclined plane and a second inclined plane are symmetrically arranged on the tower-shaped sloping platform, and a first positioning block and a second positioning block are respectively arranged on the first inclined plane and the second inclined plane.

Furthermore, one end of the gear shaft is connected with a handle through a crank.

Furthermore, one end of the left positioning seat is provided with a dustproof protective cover.

Compared with the prior art, the utility model discloses the beneficial effect who has does:

the utility model discloses a cylinder body clamping device of V type cylinder block jar hole honing anchor clamps is provided with the rack at the locating pin along its axis direction, and left side drive arrangement includes the gear that links to each other with rack toothing and the gear shaft that links to each other with the gear, connects through the meshing between gear and the rack, makes the handle move to the side of locating seat from the terminal surface of locating seat, has saved the length space that the locating pin was unscrewed to the length space who adapts to the lathe workstation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:

figure 1 is a schematic structural view of a prior art honing jig;

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

FIG. 3 is a schematic top view of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 5 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5 at D;

FIG. 7 is a schematic cross-sectional view taken along the direction C-C in FIG. 3;

FIG. 8 is a schematic view of the base of FIG. 2;

in the figure, 1, a base, 2, a left positioning seat, 3, a positioning pin, 3a, a limiting groove, 4, a rack, 5, a gear, 6, a gear shaft, 6a, a groove, 7, a gear guide sleeve, 8, a limiting screw, 9, a first screw, 10, a second screw, 11, a tower-shaped sloping platform, 11a, a first sloping surface, 11b, a second sloping surface, 12, a first positioning block, 13, a second positioning block, 14, a crank, 15, a handle, 16, a protecting cover, 17, a V-shaped cylinder body, 18, a clamping pin, 19, a screw rod, 20, a threaded sleeve, 21, a right positioning seat, 22 and an end face positioning block.

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Referring to fig. 1 to 8, the cylinder clamping device of the V-shaped cylinder bore honing fixture of the invention comprises a base 1 and left positioning seats 2 at two ends of the base 1, the positioning device comprises a right positioning seat 21, a positioning pin 3 is arranged in a left positioning seat 2, an end face positioning block 22 is further arranged at one end of the inner side of the left positioning seat 2, the end face positioning block 22 is connected with a rotary tray of a clamp, a clamping pin 18 is arranged in the right positioning seat 21, a left driving device for driving the positioning pin 3 to move is further arranged on one side of the left positioning seat 2, a right driving device for driving the clamping pin 18 to move is further arranged at one end of the right positioning seat 21, a rack 4 is arranged on the positioning pin 3 along the axis direction of the positioning pin 3, the left driving device comprises a gear 5 connected with the rack 4 in a meshed mode and a gear shaft 6 connected with the gear 5, a limiting structure for limiting the rotation of the positioning. The gear 5 is connected with the gear shaft 6 through a flat key, the gear shaft 6 is rotated, the gear 5 is driven to rotate, the positioning pin 3 is driven to move through the meshing connection between the gear 5 and the rack 4 until a spigot at one end of the positioning pin 3 is pressed in a main shaft hole on the V-shaped cylinder body 17, and therefore the purpose of supporting the V-shaped cylinder body 17 is achieved.

Wherein, limit structure is including setting up spacing groove 3a on locating pin 3 and the stop screw 8 of setting on left side positioning seat 2, and the bottom joint of stop screw 8 is in spacing groove 3a to the rotation of restriction locating pin 3 prevents

rack

4 and 5 disengagements of gear.

Preferably, the one end of left side positioning seat 2 is provided with the suit and is provided with the peripheral gear uide bushing 7 of gear shaft 6, is provided with recess 6a on the gear shaft 6, is provided with the first screw 9 of joint in recess 6a on the gear uide bushing 7, can restrict the axial displacement of gear shaft 6 through the cooperation between the recess 6a on first screw 9 and the gear shaft 6, prevents that gear shaft 6 from following the roll-off in left side positioning seat 2 in the rotation process.

Preferably, the gear shaft 6 is provided with a second screw 10 for limiting the axial movement of the gear 5 along the shaft, and the second screw 10 can limit the axial movement of the gear 5 along the gear shaft 6.

Specifically, the positioning device comprises a tower-shaped sloping platform 11 arranged on the base 1, a first inclined surface 11a and a second inclined surface 11b are symmetrically arranged on the tower-shaped sloping platform 11, and a first positioning block 12 and a second positioning block 13 are respectively arranged on the first inclined surface 11a and the second inclined surface 11 b. When honing the same group of cylinder bores on the V-block 17, the bottom surface of the V-block 17 is pressed against the first positioning block 12 or the second positioning block 13 by gravity, so that the bottom surface of the V-block 17 can be supported by the first positioning block 12 or the second positioning block 13.

Preferably, one end of the gear shaft 6 is connected with a handle 15 through a crank 14, and the gear shaft 6 can be conveniently rotated through the handle 15, so that the positioning pin 3 is driven to move.

Preferably, one end of the left positioning seat 2 is provided with a protective cover 16 for dust prevention.

Preferably, right drive arrangement is screw rod swivel nut structure, including screw rod 19 and swivel nut 20, be provided with screw rod 19 in the right positioning seat 21, and the outer end of right positioning seat 21 is provided with swivel nut 20, screw rod 19 and swivel nut 20 pass through threaded connection, the one end of clamp pin 18 is provided with the U-shaped groove, the one end of screw rod 19 is provided with rotates the boss of joint in the U-shaped inslot, the outer end of screw rod 19 is connected with handle 15 through crank 14, wave handle 15, and then drive clamp pin 18 through screw rod 19, in order to realize clamp pin 18 pull out round pin and bolt.

When the clamping device is used, after a V-shaped cylinder block 17 to be processed is placed on a honing fixture, a handle 15 corresponding to a left positioning seat 2 is rotated, a positioning pin 3 is driven to move through the cooperation of a gear and a rack and is inserted into one end of the V-shaped cylinder block 17, the end face of the cylinder block acts on an end face positioning block 22, a handle 15 corresponding to a right positioning seat 21 is rotated, a clamping pin 18 is driven to move through the cooperation of a screw sleeve and a screw sleeve, a spigot at one end of the clamping pin 18 is pressed in a main shaft hole of the V-shaped cylinder block 17, the cylinder block is clamped through the cooperation of the screw sleeve, a first positioning block 12 is installed on a first inclined surface 11a, the bottom face of the V-shaped cylinder block 17 is pressed on the first positioning block 12, a group of cylinder holes on the V-shaped cylinder block 17 face upwards, honing processing is started on the V-shaped cylinder block 17, and in the processing process, the vertical direction of the cylinder block is compressed by utilizing, after the honing process of the same group of cylinder holes on the V-shaped cylinder block 17 is completed, the honing process of the other group of cylinder holes on the V-shaped cylinder block 17 is performed according to the same mounting method. This clamping device passes through gear 5, rack 4 structure, has saved the length space that locating pin 3 revolved out, can be compatible carry out the cylinder hole honing process of two kinds of V type cylinder blocks 17 of six jars, eight jars, has saved one set of anchor clamps, has still saved installation, the adjustment time that two kinds of models remodeled processing change anchor clamps, has effectively improved production efficiency.

The above description is only for the preferred embodiment of the present invention, and all modifications, equivalents, improvements and the like made within the spirit and scope of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a cylinder body clamping device of V type cylinder block jar hole honing anchor clamps, includes base (1) and is located left positioning seat (2), right positioning seat (21) at base (1) both ends, its characterized in that: left side positioning seat (2) in be equipped with locating pin (3), right side positioning seat (21) in be equipped with and press from both sides tight round pin (18), left side positioning seat (2) one side still be equipped with the left drive arrangement of drive locating pin (3) motion, right side positioning seat (21) one end still be equipped with the right drive arrangement of drive tight round pin (18) motion, locating pin (3) are provided with rack (4) along its axis direction, left side drive arrangement include with gear (5) that rack (4) meshing links to each other and with gear shaft (6) that gear (5) link to each other, locating pin (3) with be provided with the restriction between left side positioning seat (2) locating pin (3) pivoted limit structure, be provided with the positioner who supports V type cylinder block (17) on base (1).

2. The cylinder clamp of a V-block cylinder bore honing jig of claim 1, wherein: the limiting structure comprises a limiting groove (3a) formed in the positioning pin (3) and a limiting screw (8) arranged on the left positioning seat (2), and the bottom end of the limiting screw (8) is clamped in the limiting groove (3 a).

3. The cylinder clamp of a V-block cylinder bore honing jig of claim 1, wherein: one end of the left positioning seat (2) is provided with a gear guide sleeve (7) sleeved on the periphery of the gear shaft (6), a groove (6a) is formed in the gear shaft (6), and a first screw (9) clamped in the groove (6a) is arranged on the gear guide sleeve (7).

4. The cylinder clamp of a V-block cylinder bore honing jig of claim 1, wherein: and a second screw (10) for limiting the gear (5) to move along the axial direction is arranged on the gear shaft (6).

5. The cylinder clamp of a V-block cylinder bore honing jig of claim 1, wherein: the positioning device comprises a tower-shaped sloping platform (11) arranged on the base (1), wherein a first inclined plane (11a) and a second inclined plane (11b) are symmetrically arranged on the tower-shaped sloping platform (11), and a first positioning block (12) and a second positioning block (13) are respectively arranged on the first inclined plane (11a) and the second inclined plane (11 b).

6. The cylinder clamp of a V-block cylinder bore honing jig of claim 1, wherein: one end of the gear shaft (6) is connected with a handle (15) through a crank (14).

7. The cylinder clamp of a V-block cylinder bore honing jig of claim 1, wherein: one end of the left positioning seat (2) is provided with a dustproof protective cover (16).