CN215701013U

CN215701013U - Upset frock of flange around processing cylinder block

Info

Publication number: CN215701013U
Application number: CN202121299226.8U
Authority: CN
Inventors: 陈国英; 郭洪波; 杨柏; 刘京明; 张建中; 王建超
Original assignee: Ruili Meilian Brake Technology Langfang Co ltd
Current assignee: Ruili Meilian Brake Technology Langfang Co ltd
Priority date: 2021-06-10
Filing date: 2021-06-10
Publication date: 2022-02-01
Anticipated expiration: 2031-06-10

Abstract

The utility model belongs to the technical field of cylinder block processing, and comprises a rotating mechanism for providing rotating force for a cylinder block, wherein the rotating mechanism is provided with a rotating platform, a base is arranged on the rotating platform, and at least two clamping units are arranged on the base and used for fixing the cylinder block. The clamping unit comprises a screw rod, a pressing piece and a supporting rod, one end of the screw rod is connected with the base, the other end of the screw rod is sleeved with a nut, the pressing piece is sleeved on the screw rod and located between the nut and the base, one end of the supporting rod is connected with the base, the other end of the supporting rod is connected with the pressing piece, and the other end of the pressing piece is used for clamping the cylinder body. When the front flange and the rear flange of the cylinder body are machined, the cylinder body is fixed on the base through the clamping unit, the front flange face and the rear flange face of the cylinder body are respectively located on the upper side and the lower side, and after the rotating mechanism is started, the rotating platform drives the base to rotate, so that the cylinder body is turned over, and the front flange face and the rear flange face of the cylinder body can be machined only by clamping the cylinder body onto the base once.

Description

Upset frock of flange around processing cylinder block

Technical Field

The utility model belongs to the technical field of cylinder block machining, and relates to a turning tool, in particular to a turning tool for machining front and rear flanges of a cylinder block.

Background

The air compressor is a safety part of an automobile, the air cylinder body is a carrier of an air compressor shell and a crankshaft, and flanges are required to be machined on the front face and the rear face of the air cylinder body in order to adapt to connection between equipment. As the coaxiality, the verticality and the parallelism of the combination parts of the cylinder body and the crankshaft are high, the coaxiality is required to be controlled within 0.025, the verticality is required to be controlled within 0.04 and the parallelism is required to be controlled within 0.05 at the connection length of more than 100 mm.

The original processing method is that a set of tool is respectively used for processing the front flange surface and the rear flange surface of the cylinder body, and the cylinder body needs to be clamped on the tool twice. On one hand, the working hours are delayed, and the labor force is increased; on the other hand, due to the accumulation of comprehensive factors such as the manufacturing error of the clamp, the assembly clearance error and the like, the coaxiality, the verticality and the parallelism of the cylinder body cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model designs an overturning tool for processing the front flange and the rear flange of the cylinder body, which can process the front flange and the rear flange of the cylinder body by adopting too much rotation and realizing sequential clamping, thereby avoiding accumulated errors and ensuring the coaxiality, the perpendicularity and the parallelism of the cylinder body.

The technical scheme adopted by the utility model is that,

an overturning tool for processing front and rear flanges of a cylinder body comprises,

a rotation mechanism providing a rotational force to the cylinder block, the rotation mechanism having a rotation platform,

a base disposed on the rotary platform,

the clamping units at least comprise two clamping units which are symmetrically arranged on the base and used for fixing the cylinder body,

the clamping unit comprises a clamping unit and a clamping unit,

one end of the screw rod is connected with the base, the other end is sleeved with a nut,

the pressing piece is provided with a first through hole, sleeved on the screw rod by virtue of the first through hole and positioned between the nut and the base,

one end of the supporting rod is connected with the base, the other end of the supporting rod is connected with one end of the pressing piece, and the other end of the pressing piece is used for clamping the cylinder body.

Furthermore, the first through hole is a long round hole, a sliding groove is formed in the pressing piece, the sliding groove is located at one end, connected with the supporting rod, of the pressing piece, the supporting rod is arranged in the sliding groove, and the pressing piece has translation freedom degree relative to the screw rod and the supporting rod by means of the first through hole and the sliding groove.

Furthermore, the utility model also comprises a positioning unit, which comprises,

a positioning disc arranged on the base, a second through hole arranged on the positioning disc and positioned at the center of the rotary platform,

and the positioning block is connected with the positioning disc, one end of the positioning block is arranged in the second through hole, and the other end of the positioning block is used for positioning the cylinder body.

The rotary platform is characterized by further comprising a connecting shaft, one end of the connecting shaft is connected with the base, the other end of the connecting shaft is connected with the rotary platform, grooves are formed in the center positions of the base and the rotary platform, and the connecting shaft is arranged in the grooves.

Further, the base is connected with the rotary platform through screws, a plurality of T-shaped blocks are fixedly arranged on the rotary platform, blind holes are formed in the T-shaped blocks, threads are arranged in the blind holes, round holes are formed in corresponding positions on the base, one end of each screw penetrates through the round holes, and the screw is connected with the T-shaped blocks through the threads.

The working principle and the beneficial effects of the utility model are as follows:

1. when the front flange and the rear flange of the cylinder body are machined, the cylinder body is fixed on the base through the clamping unit, the front flange face and the rear flange face of the cylinder body are respectively located on the upper side and the lower side, and after the rotating mechanism is started, the rotating platform drives the base to rotate, so that the cylinder body is turned over, and the front flange face and the rear flange face of the cylinder body can be machined only by clamping the cylinder body onto the base once. The clamping device not only reduces the labor cost, shortens the working hours, increases the labor force, but also avoids the accumulated error caused by the clamping times, and ensures the coaxiality, the verticality and the parallelism of the cylinder body.

2. Due to the irregular shape of the cylinder block, the cylinder block is clamped and fixed by a plurality of clamping units. Every clamping unit all realizes pressing from both sides tight fixedly to the cylinder block through the clamping piece, and clamping piece one end joint support pole makes the clamping piece be close to the cylinder block along the screw rod through swivel nut, and the other end of clamping piece presss from both sides tight cylinder block up to, guarantees the steady state of cylinder block when adding man-hour.

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

Drawings

FIG. 1 is a left side view of the present invention with a T-block;

FIG. 2 is an enlarged view of a portion A of FIG. 1 in accordance with the present invention;

FIG. 3 is a left side view of the present invention with a connecting shaft;

FIG. 4 is a front view of the present invention;

in the attached drawing, the device comprises a rotating mechanism 1, a rotating mechanism 2, a cylinder body 3, a rotating platform 4, a base 5, a clamping unit 6, a screw rod 7, a nut 8, a pressing sheet 9, a through hole I, a through hole 10, a supporting rod 11, a sliding groove 12, a positioning disc 13, a positioning block 14, a connecting shaft 15, a screw 16, a T-shaped block 17 and a blind hole.

Detailed Description

The technical solutions of the present invention are further described in detail below with reference to specific examples and drawings, but the scope and implementation of the present invention are not limited thereto.

In a specific embodiment, as shown in figure 1,

the utility model relates to an overturning tool for processing front and rear flanges of a cylinder body, which comprises,

a rotation mechanism 1 for providing a rotation force to the cylinder block 2, the rotation mechanism 1 having a rotation platform 3,

a base 4 disposed on the rotary platform 3,

the clamping units 5, at least two of which are symmetrically arranged on the base 4, are used for fixing the cylinder block 2,

the clamping unit 5 is comprised of a clamping unit,

one end of the screw rod 6 is connected with the base 4, the other end is sleeved with a nut 7,

the pressing sheet 8 is provided with a first through hole 9, the pressing sheet 8 is sleeved on the screw rod 6 by means of the first through hole 9 and is positioned between the nut 7 and the base 4,

and one end of the support rod 10 is connected with the base 4, the other end of the support rod is connected with one end of the pressing piece 8, and the other end of the pressing piece 8 is used for clamping the cylinder body 2.

The rotary mechanism 1 in the embodiment adopts a four-shaft rotary table, the cylinder body 2 is driven to turn over by the base 4, the cylinder body 2 has certain weight and irregular appearance, and cannot be directly connected with the rotary platform 3, the clamping unit 5 can be correspondingly arranged on the base 4 by means of the base 4, the cylinder body 2 is well fixed, and a stable and firm environment is provided for the cylinder body 2 during processing.

The fixed cylinder block 2 that compresses tightly of clamp plate needs bracing piece 10 nut 7, the screw rod 6 cooperatees, nut 7 provides along 6 axial pressures of screw rod for the clamp plate, screw rod 6 provides assembly conditions for nut 7, also make things convenient for the staff to the regulation of nut 7 simultaneously, screw rod 6 still plays a guide effect for the clamp plate simultaneously, can not skew cylinder block 2 when making the clamp plate push down, bracing piece 10 avoids clamp plate 8 to descend obliquely at the effect of nut 7, thereby influence the clamping action, consequently, the height that bracing piece 10 stretches out base 4 is preferred to be close with the height at 2 centre gripping positions of cylinder block, can guarantee best clamping effect.

Further, as shown in FIGS. 1 and 4,

since the pressure piece in the support unit is used to fix the cylinder block 2, the pressure piece needs to be provided so as to be relatively movable in order to prevent the pressure piece from interfering with the cylinder block 2 when the cylinder block 2 is mounted on the base 4. The utility model provides a further structure, the through hole I9 is a long round hole, the pressing sheet 8 is provided with a sliding groove 11, the sliding groove 11 is positioned at one end of the pressing sheet 8 connected with a supporting rod 10, the supporting rod 10 is arranged in the sliding groove 11, and the pressing sheet 8 has a translational degree of freedom relative to the screw rod 6 and the supporting rod 10 by means of the through hole I9 and the sliding groove 11.

The through hole I9 of the long round hole enables the pressing piece to move up and down relative to the screw rod 6, in order to be matched with the supporting rod 10, a sliding groove 11 is formed in the connecting end of the pressing piece and the supporting rod 10, and therefore when the pressing piece moves up and down, the supporting rod 10 can slide in the sliding groove 11. When installing cylinder block 2 on base 4, earlier with pressing blade 8 outwards removal, keep away from cylinder block 2, wait for cylinder block 2 to install, the staff removes pressing blade 8 back again, swivel nut 7, pressing blade 8 fixes cylinder block 2.

Further, as shown in FIGS. 1 and 4,

in order to enable the cylinder block to be mounted on the base more quickly and accurately at a desired position, the utility model provides a positioning unit, which comprises,

a positioning disc 12 arranged on the base 4, a second through hole arranged on the positioning disc 12 and positioned at the center of the rotary platform 3,

and the positioning block 13 is connected with the positioning disc 12, one end of the positioning block is arranged in the second through hole, and the other end of the positioning block is used for positioning the cylinder body 2.

The cylinder block 2 is kept at a height close to the front flange face and the rear flange face before and after being turned over, so that other equipment can process the cylinder block, the cylinder block 2 is preferably arranged at the axis position of the rotary platform 3, the axis position is difficult to determine through manual installation, errors are easy to occur, and the clamping effect of the clamping unit on the cylinder block 2 can be influenced by installation deviation, so that in the embodiment, the positioning point for installation is provided as a premise through the positioning block 13, the errors are reduced, and the installation is convenient. In this embodiment, the positioning disk 12 is circular ring shaped, one end of the positioning block 13 is a small diameter shaft body, the other end is a large diameter shaft body, the small diameter end of the positioning block 13 can be inserted into the second through hole in the middle of the circular positioning disk 12, the large diameter circular truncated cone of the positioning block 13 is used for installing the cylinder block 2, one end of the casing of the cylinder block 2 is inserted into the large diameter end of the positioning block 13, and a positioning point is provided for the cylinder block 2. In this embodiment, the positioning block 13 and the positioning plate 12 are fixed by bolts, the positioning plate 12 and the base 4 are fixed by bolts, and the centers of circles of the rotary platform 3, the base 4, the positioning plate 12 and the positioning block 13 are all coaxial.

Further, as shown in FIG. 3,

in order to facilitate the installation of the base and the rotary platform, the base is fixed in position, the embodiment further comprises a connecting shaft 14, one end of the connecting shaft 14 is connected with the base 4, the other end of the connecting shaft is connected with the rotary platform 3, grooves are formed in the center positions of the base 4 and the rotary platform 3, and the connecting shaft 14 is arranged in the grooves. The connecting shaft 14 is composed of a large-diameter shaft body and a small-diameter shaft body, and the rotating mechanism 1 of the utility model adopts a four-shaft turntable, the rotating plane of the four-shaft turntable is provided with an assembly groove, the small-diameter end of the connecting shaft 14 is arranged in the assembly groove, and the large-diameter end is arranged on the base 4, so that the center of the base 4 and the center of the rotating platform 3 can be coaxial.

Further, as shown in figures 1 and 2,

the base 4 is connected with the rotary platform 3 through a screw 15, a plurality of T-shaped blocks 16 are fixedly arranged on the rotary platform 3, blind holes 17 are formed in the T-shaped blocks 16, threads are arranged in the blind holes 17, round holes are formed in corresponding positions on the base 4, and one end of the screw 15 penetrates through the round holes and is connected with the T-shaped blocks 16 through the threads.

In this embodiment, the base 4 is connected to the rotary platform 3 through 8T-shaped blocks 16 uniformly distributed around the base 4, so that the base 4 and the rotary platform 3 can be well fixed.

Claims

1. An overturning tool for processing front and rear flanges of a cylinder body is characterized by comprising,

a rotation mechanism (1) providing a rotational force to the cylinder block (2), the rotation mechanism (1) having a rotation platform (3),

a base (4) arranged on the rotary platform (3),

the clamping units (5) are at least two and are symmetrically arranged on the base (4) and used for fixing the cylinder body (2),

the clamping unit (5) comprises a clamping device,

one end of the screw rod (6) is connected with the base (4), the other end is sleeved with a nut (7),

the pressing sheet (8) is provided with a first through hole (9), the pressing sheet (8) is sleeved on the screw rod (6) by means of the first through hole (9) and is positioned between the nut (7) and the base (4),

one end of the supporting rod (10) is connected with the base (4), the other end of the supporting rod is in sliding contact with one end of the pressing piece (8), and the other end of the pressing piece (8) is used for clamping the cylinder body (2).

2. The tool for turning over the front flange and the rear flange of the cylinder block according to claim 1, wherein the first through hole (9) is a long round hole, the pressing piece (8) is provided with a sliding groove (11), the sliding groove (11) is located at one end, connected with a support rod (10), of the pressing piece (8), the support rod (10) is arranged in the sliding groove (11), and the pressing piece (8) has a translational degree of freedom relative to the screw rod (6) and the support rod (10) through the first through hole (9) and the sliding groove (11).

3. The tool of claim 1, further comprising a positioning unit, wherein the positioning unit comprises,

a positioning disc (12) arranged on the base (4), a second through hole is arranged on the positioning disc (12), the second through hole is positioned at the central position of the rotary platform (3),

and the positioning block (13) is connected with the positioning disc (12), one end of the positioning block is arranged in the second through hole, and the other end of the positioning block is used for positioning the cylinder body (2).

4. The tool for turning the front and rear flanges of the cylinder block according to claim 1, further comprising a connecting shaft (14), wherein one end of the connecting shaft (14) is connected to the base (4), the other end of the connecting shaft is connected to the rotary platform (3), grooves are formed in the center positions of the base (4) and the rotary platform (3), and the end portion of the connecting shaft (14) is arranged in the groove.

5. The tool for turning the front and rear flanges of the cylinder block according to claim 1, wherein the base (4) is connected with the rotary platform (3) through screws (15), the rotary platform (3) is fixedly provided with a plurality of T-shaped blocks (16), the T-shaped blocks (16) are provided with blind holes (17), threads are arranged in the blind holes (17), the base (4) is provided with round holes at corresponding positions, and one end of each screw (15) penetrates through the round holes and is connected with the T-shaped blocks (16) through the threads.