CN219152655U

CN219152655U - Positioning fixture for automobile engine machining

Info

Publication number: CN219152655U
Application number: CN202320112610.5U
Authority: CN
Inventors: 陈忠华; 陈明华; 许婷婷; 陈宇; 许年娥
Original assignee: Zhuhai Yongyang Technology Co ltd
Current assignee: Zhuhai Yongyang Technology Co ltd
Priority date: 2023-01-20
Filing date: 2023-01-20
Publication date: 2023-06-09
Anticipated expiration: 2033-01-20

Abstract

The utility model discloses a positioning fixture for processing an automobile engine, which comprises a base, wherein a carrying frame is arranged at the top of the base, a column groove is formed in an inner cavity of the carrying frame, a spring is arranged in the inner cavity of the column groove, a top rod is arranged at the upper end of the spring, the upper end of the top rod extends to the upper part of the carrying frame, sliding grooves are formed in two sides of the top of the carrying frame, a sliding rod is fixedly connected to the inner cavity of the sliding groove, a pressing plate is sleeved on the outer ring of the sliding rod, and a screw rod penetrates through the inner cavity of the pressing plate. According to the utility model, through the cooperation of the ejector rod, the sliding rod, the pressing plate, the screw rod, the pressing cylinder and the upper pressing block, the engine can be fixed more firmly during the processing of the automobile engine, the engine is ensured not to deviate during the processing, the processing precision is further improved, the carrying frame can be rotated to any angle through the cooperation of the latch and the limiting block, the automobile engine can be rotated when needed, and the processing efficiency of the automobile cylinder body is improved.

Description

Positioning fixture for automobile engine machining

Technical Field

The utility model relates to the technical field of engine processing equipment, in particular to a positioning clamp for automobile engine processing.

Background

In the process of machining, the automobile engine cylinder body needs to be fixed on a machining position through the clamp, but due to the fact that the machining requirement of the automobile engine cylinder body is high, once displacement change occurs in the process of machining, machining precision and machining quality can be seriously affected, and the automobile engine cylinder body cannot be used.

Chinese patent discloses a positioning fixture (application number: 202021313712.6) for processing an automobile engine cylinder body, and relates to the technical field of automobile cylinder body processing equipment. The utility model comprises a base, wherein a groove body and a lifting mechanism are fixed at the top of the base, a fixed sleeve is rotationally connected at the top of the lifting mechanism, a positioning plate and a supporting rod are symmetrically arranged on the outer surface of the fixed sleeve, and an upward pressing structure is connected on the supporting rod in a sliding manner; the bottom of the inner wall of the groove body is fixed with a telescopic rod, the top end of the telescopic rod is fixed with a fixed plate, the top of the fixed plate is rotationally connected with a rotary table, and the top of the rotary table is fixed with a supporting plate and a positioning rod.

This technical scheme is though can pass through locating lever automatic positioning to the automobile cylinder body of placing in the backup pad, then fastens automobile cylinder body through last pressure structure, avoids appearing beating in the course of working, and a plurality of locating levers for the locating lever can stretch into the hole on automobile cylinder body and the backup pad contact surface, carries out the omnidirectional location fastening, has avoided the automobile cylinder body to appear the displacement in the course of working, has guaranteed to process smart. The positioning rod is inserted into a hole at the lower part of the cylinder body to fix the lower part of the cylinder body, but the positioning rod can be inserted into the hole, so that the radius of the hole is at least equal to or larger than that of the positioning rod, and the hole is required to be exactly attached to the positioning rod when the limiting requirement in the scheme is formed.

Disclosure of Invention

The utility model aims to provide a positioning clamp for processing an automobile engine, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a positioning fixture for automobile engine processing, includes the base, the top of base is provided with carries the frame, the inner chamber of carrying the frame is provided with the post groove, the inner chamber of post groove is provided with the spring, the upper end of spring is provided with the ejector pin, the upper end of ejector pin extends to the upper portion of carrying the frame, the spout has been seted up to the both sides at carrying the frame top, the inner chamber fixedly connected with slide bar of spout, the outer lane cover of slide bar is equipped with the clamp plate, the inner chamber of clamp plate runs through and is provided with the lead screw.

Preferably, the rear portion at carrier top is provided with the support, the positive upper portion fixedly connected with slide rail of support, the outside cover of slide rail is equipped with the slider, the bottom fixed mounting of slider has the pneumatic cylinder, the output of pneumatic cylinder is connected with the telescopic link, the lower extreme threaded connection of telescopic link has last briquetting.

Preferably, the middle part at the top of the base is provided with an annular groove, the middle part at the bottom of the carrying frame is provided with an annular block, the outside of the annular block is fixedly connected with a latch, and the annular block and the latch are provided with an inner cavity of the annular groove.

Preferably, the right side of base has been seted up and has been adjusted the mouth, the inner chamber swing joint of adjusting the mouth has the regulation pole, the inner of adjusting the pole is provided with the stopper, the shape size of stopper agrees with the clearance between the latch.

Preferably, the bottom of stopper is provided with the connecting rod, the outside cover of connecting rod lower extreme is equipped with the fixing base, the lower extreme fixedly connected with dog of connecting rod, fixedly connected with pressure spring between dog bottom and the bottom of fixing base inner chamber.

Preferably, a clamping block is arranged on the side face of the adjusting rod, sliding ports are formed in the two sides of the adjusting port, and the clamping block is slidably connected to the inner cavity of the sliding port.

Compared with the prior art, the utility model has the beneficial effects that:

1. this positioning fixture is used in automobile engine processing uses through ejector pin, slide bar, clamp plate, lead screw, pneumatic cylinder, the cooperation of last briquetting, when processing automobile engine, can make the engine fixed more firm, in the course of working, ensures that the engine can not take place the skew, further improves the precision of processing.

2. This positioning fixture is used in automobile engine processing uses through the cooperation of latch and stopper, can make the carrier rotate arbitrary angle, is convenient for rotate automobile engine when needs, improves the machining efficiency to the automobile cylinder body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of a carrier of the present utility model;

FIG. 3 is a schematic view of the structure of the adjusting lever and the limiting block;

FIG. 4 is a schematic view of the structure of the base and the annular block of the present utility model;

fig. 5 is a schematic diagram of the structure of the screw and the pressing plate of the utility model.

In the figure: 1. a base; 2. a carrying rack; 3. a column groove; 4. a spring; 5. a push rod; 6. a chute; 7. a slide bar; 8. a pressing plate; 9. a screw rod; 10. a bracket; 11. a slide rail; 12. a slide block; 13. a pressing cylinder; 14. pressing into blocks; 15. an annular block; 16. latch teeth; 17. an adjustment port; 18. an adjusting rod; 181. a clamping block; 19. a limiting block; 20. a connecting rod; 21. a fixing seat; 22. a stop block; 23. a compression spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1-5, the present utility model provides a technical solution,

example 1:

the utility model provides a positioning fixture for automobile engine processing, including base 1, the top of base 1 is provided with carries frame 2, carries the inner chamber of frame 2 and is provided with post groove 3, and the inner chamber of post groove 3 is provided with spring 4, and the upper end of spring 4 is provided with ejector pin 5, and the upper end of ejector pin 5 extends to the upper portion that carries frame 2, carries the both sides at frame 2 top and has seted up spout 6, and the inner chamber fixedly connected with slide bar 7 of spout 6, the outer lane cover of slide bar 7 is equipped with clamp plate 8, and the inner chamber of clamp plate 8 runs through and is provided with lead screw 9.

In this embodiment, when the automobile engine is processed, the engine is stably placed on the carrier 2, wherein the ejector rod 5 is compressed to the inner cavity of the column groove 3 under the compression of the engine, the ejector rod 5 at the bottom hole position of the automobile engine is not compressed, the ejector rod 5 which is not compressed is clamped in the hole to form a certain limit, but the ejector rod 5 can be inserted into the hole, the radius of the hole is not less than the radius of the top plate 5, if the radius of all the holes is greater than the radius of the ejector rod 5, the engine is possibly offset by a certain extent in the reprocessing process, the pressing plate 8 is driven to slide along the slide rod 7 by rotating the screw rod 9 and clamp the side wall of the engine, so that the engine is fixed more firmly, the engine is ensured not to be offset in the processing process, and the processing precision is further improved.

Example 2:

the rear portion at the top of the carrying frame 2 is provided with a support 10, the upper portion of the front face of the support 10 is fixedly connected with a sliding rail 11, a sliding block 12 is sleeved outside the sliding rail 11, a pressing cylinder 13 is fixedly installed at the bottom of the sliding block 12, the output end of the pressing cylinder 13 is connected with a telescopic rod, and the lower end of the telescopic rod is in threaded connection with an upper pressing block 14.

In this embodiment, the lower part of the engine is fixed by the steps in embodiment 1, and then the telescopic rod is driven to extend downwards by starting the pressure cylinder 13 to drive the upper pressing block 14 to be closely attached to the upper part of the engine, so that the engine is completely fixed.

The middle part at the top of the base 1 is provided with an annular groove, the middle part at the bottom of the carrying frame 2 is provided with an annular block 15, the outside of the annular block 15 is fixedly connected with a latch 16, and the annular block 15 and the latch 16 are provided with inner cavities of the annular groove.

Further, an adjusting opening 17 is formed in the right side of the base 1, an inner cavity of the adjusting opening 17 is movably connected with an adjusting rod 18, a limiting block 19 is arranged at the inner end of the adjusting rod 18, and the shape and the size of the limiting block 19 are matched with a gap between the clamping teeth 16.

Further, the bottom of stopper 19 is provided with connecting rod 20, and the outside cover of connecting rod 20 lower extreme is equipped with fixing base 21, and the lower extreme fixedly connected with dog 22 of connecting rod 20, fixedly connected with pressure spring 23 between dog 22 bottom and the bottom of fixing base 21 inner chamber.

In this embodiment, in the machining process of the automobile engine, different surfaces of the engine may need to be machined, at this time, by pressing the adjusting rod 18 downwards, the connecting rod 20 and the pressure spring 23 at the lower part are pressurized, so that the limiting block 19 breaks away from the gap between the latches 16, then the carrying frame 2 can be rotated to drive the annular block 15 and the latches to rotate in the annular groove, and the engine at the upper part of the carrying frame 2 is driven to rotate, after the carrying frame rotates to a certain angle, the adjusting rod 18 is released, the tension action of the pressure spring 23 drives the connecting rod 20 and the adjusting rod 18 to reset, the limiting block 19 is meshed with the latches 16 again, the carrying frame 2 is prevented from deflecting in the machining process, the machining precision is prevented from being reduced, and through the cooperation of the latches 16 and the limiting block 19, the carrying frame 2 can be rotated to any angle, the automobile engine is conveniently rotated when required, and the machining efficiency of the automobile cylinder is improved.

The side of adjusting the pole 18 is provided with the fixture block 181, and the smooth mouth has been seted up to the both sides of adjusting the mouth 17, and fixture block 181 sliding connection is in the inner chamber of smooth mouth, and the fixture block 181 is used with the cooperation of smooth mouth, and is more steady when adjusting the pole 18.

Working principle: when an automobile engine is processed, the engine is stably placed on the carrying frame 2, the ejector rod 5 can shrink to the inner cavity of the column groove 3 under the extrusion of the engine, the ejector rod 5 at the hole position at the bottom of the automobile engine is not extruded, the ejector rod 5 which is not extruded is clamped in the hole to form a certain limit, but the ejector rod 5 can be inserted into the hole, the radius of the hole is not less than that of the top plate 5, if the radius of all the holes is greater than that of the ejector rod 5, the engine can offset by a certain amplitude in the reprocessing process, the pressing plate 8 is driven to slide along the sliding rod 7 by rotating the screw rod 9 and clamp the side wall of the engine, then the telescopic rod is driven to extend downwards by the starting press cylinder 13, the upper press block 14 is driven to be attached to the upper part of the engine, and the engine is completely fixed, so that the engine is more firmly fixed, the engine is ensured not to deviate in the processing process, and the processing precision is further improved. In the processing process of the automobile engine, different surfaces of the engine may need to be processed, at this time, the adjusting rod 18 is pressed downwards to pressurize the connecting rod 20 and the pressure spring 23 at the lower part, so that the limiting block 19 is separated from a gap between the clamping teeth 16, then the carrying frame 2 can be rotated to drive the annular block 15 and the clamping teeth to rotate in the annular groove, the engine at the upper part of the carrying frame 2 is driven to rotate, after the carrying frame rotates to a certain angle, the adjusting rod 18 is loosened, the tension action of the pressure spring 23 drives the connecting rod 20 and the adjusting rod 18 to reset, the limiting block 19 is meshed with the clamping teeth 16 again, the carrying frame 2 is limited to deflect, and the reduction of processing precision caused by deflection of the carrying frame 2 in the processing process is avoided.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a positioning fixture for automobile engine processing, includes base (1), its characterized in that: the top of base (1) is provided with carries frame (2), the inner chamber of carrying frame (2) is provided with post groove (3), the inner chamber of post groove (3) is provided with spring (4), the upper end of spring (4) is provided with ejector pin (5), the upper end of ejector pin (5) extends to the upper portion of carrying frame (2), spout (6) have been seted up to the both sides at carrying frame (2) top, the inner chamber fixedly connected with slide bar (7) of spout (6), the outer lane cover of slide bar (7) is equipped with clamp plate (8), the inner chamber of clamp plate (8) runs through and is provided with lead screw (9).

2. The positioning jig for machining an automobile engine according to claim 1, wherein: the rear portion at support (2) top is provided with support (10), positive upper portion fixedly connected with slide rail (11) of support (10), the outside cover of slide rail (11) is equipped with slider (12), the bottom fixed mounting of slider (12) has pressure jar (13), the output of pressure jar (13) is connected with the telescopic link, the lower extreme threaded connection of telescopic link has briquetting (14).

3. The positioning jig for machining an automobile engine according to claim 1, wherein: the middle part at the top of base (1) is provided with the ring channel, the middle part at the bottom of carrier frame (2) is provided with annular piece (15), the outside fixedly connected with latch (16) of annular piece (15), latch (16) are provided with the inner chamber of ring channel.

4. The positioning jig for machining an automobile engine according to claim 1, wherein: an adjusting opening (17) is formed in the right side of the base (1), an inner cavity of the adjusting opening (17) is movably connected with an adjusting rod (18), a limiting block (19) is arranged at the inner end of the adjusting rod (18), and the shape and the size of the limiting block (19) are matched with a gap between the clamping teeth (16).

5. The positioning fixture for machining an automobile engine according to claim 4, wherein: the bottom of stopper (19) is provided with connecting rod (20), the outside cover of connecting rod (20) lower extreme is equipped with fixing base (21), the lower extreme fixedly connected with dog (22) of connecting rod (20), fixedly connected with pressure spring (23) between the bottom of dog (22) and the bottom of fixing base (21) inner chamber.

6. The positioning fixture for machining an automobile engine according to claim 4, wherein: the side of adjusting pole (18) is provided with fixture block (181), the slide opening has been seted up to the both sides of regulation mouth (17), fixture block (181) sliding connection is at the inner chamber of slide opening.