CN220312511U

CN220312511U - Comprehensive clamp for machining automobile high-strength and high-toughness chassis assembly

Info

Publication number: CN220312511U
Application number: CN202321393735.6U
Authority: CN
Inventors: 郭兴才; 余凯; 汪国昌
Original assignee: Hubei Danjiangkou Zhicheng Caster Co ltd
Current assignee: Hubei Danjiangkou Zhicheng Caster Co ltd
Priority date: 2023-06-01
Filing date: 2023-06-01
Publication date: 2024-01-09
Anticipated expiration: 2033-06-01

Abstract

The utility model relates to the technical field of clamps, and particularly discloses a comprehensive clamp for machining an automobile high-strength and high-toughness chassis assembly. The utility model can realize the effect of multi-station processing by once clamping the high-strength and high-toughness chassis assembly of the automobile, greatly improve the processing efficiency, meet the process beat requirement, reduce the equipment and process circulation cost, and effectively avoid repeated positioning errors generated during repeated clamping, thereby improving the stability and the precision of the processing dimension of the product.

Description

Comprehensive clamp for machining automobile high-strength and high-toughness chassis assembly

Technical Field

The utility model relates to the technical field of clamps, in particular to a comprehensive clamp for machining an automobile high-strength and high-toughness chassis assembly.

Background

The high-strength and high-toughness chassis assembly of the automobile has the locking and connecting supporting functions on an automobile suspension system and is a structural part for locking, fixing and connecting and supporting functional parts of a frame for a steel plate spring.

At present, in order to meet the large trend of light weight, the products have the structure function and the quality as light as possible; however, the production and processing efficiency of the products is lower due to the limitation of the casting technology and the processing technology level in China, and the main reasons are the processing of milling, drilling, tapping and the like of the later-stage parts besides the casting technology; the prior clamps used for the workpieces have single functions, the workpieces are required to be transferred to the clamps corresponding to the processing of the next procedure after each procedure is completed, the whole procedure is repeated for a plurality of times, and the operation is easy to cause clamping errors, thereby influencing the processing precision of the workpieces, and the repeated clamping circulation operation also seriously influences the processing efficiency of the workpieces.

Therefore, the automobile high-strength and high-toughness chassis assembly fixture capable of meeting multi-station centralized processing is designed.

Disclosure of Invention

In order to solve the related problems pointed out in the background art, the utility model provides a comprehensive clamp for processing an automobile high-strength and high-toughness chassis assembly.

The utility model discloses a comprehensive clamp for machining an automobile high-strength and toughness chassis assembly, which is used for positioning and fixing parts in machining such as milling, drilling, tapping and the like of the automobile high-strength and toughness chassis assembly, and the comprehensive clamp comprises a clamp body, wherein a workpiece groove for accommodating the parts to be machined is formed in the middle of the clamp body, and a table top a, a table top b, a table top c and a table top d are integrally formed on the clamp body at two sides of the workpiece groove respectively; an auxiliary pressing component is arranged in the middle of the table top c, and a plurality of adjusting and positioning supports and auxiliary adjusting supports are vertically arranged on the table top b and the table top a respectively; the middle part of the table top d is respectively provided with a supporting bolt and a fixed positioning shaft; the top end of the supporting bolt is provided with a pressing plate, the middle part of the pressing plate is provided with an adjusting hole, and a main pressing bolt is vertically arranged in the adjusting hole; the two sides of the table top d are also respectively fixed with a support b, and the top end of the support b is horizontally provided with an adjusting limit screw.

The number of the adjusting and positioning supports and the auxiliary adjusting supports is 2-4, the adjusting and positioning supports, the auxiliary adjusting supports and the clamp body are connected through threads, and locking nuts are sleeved on the adjusting and positioning supports and the auxiliary adjusting supports through threads.

Further the supporting bolt, the fixed positioning shaft and the main compression bolt are on the same straight line, the supporting bolt is a cylindrical screw rod, the supporting bolt is in threaded connection with the clamp body and is fixed through the locking nut, and the top end of the supporting bolt is in sliding fit with the sliding groove formed in the bottom of the pressing plate in an integrated mode.

Further the main hold-down bolt comprises screw rod, gland nut and lock nut, threaded connection just fixes on the anchor clamps body through lock nut between screw rod and the anchor clamps body, and gland nut thread suit is in the outside on screw rod top and be located the top position of clamp plate.

The auxiliary pressing assembly further comprises a positioning clamping block, a support a, a movable V-shaped block and an auxiliary pressing bolt; the positioning fixture block is of an n-shaped structure design, the positioning fixture block is fixed on the table top c, the tail end of the movable V-shaped block is slidably inserted into the inner side of the positioning fixture block, the front end of the movable V-shaped block is of a horizontal angle design, the support a is vertically arranged on the fixture body on the side surface of the table top c, one side of the support a is attached to one side of the positioning fixture block, and the auxiliary compression bolt penetrates through the support a to be in rotary connection fit with the tail end of the movable V-shaped block through a bearing; the auxiliary compression bolt is in threaded connection with the support a.

Further, the distribution positions of the adjusting positioning support and the auxiliary adjusting support on the table top b and the table top a are in one-to-one correspondence with the profile distribution of the back surface of the part to be processed, and the top ends of the adjusting positioning support and the auxiliary adjusting support are respectively attached to the profile of the back surface of the part to be processed.

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

compared with the existing clamp, the utility model has the advantages that the parts are positioned at multiple points by adjusting and positioning support, fixing and positioning shaft, adjusting and limiting screw, movable V-shaped block and auxiliary adjusting and supporting; the clamping operation is carried out in a pressing mode by a support a, an auxiliary pressing bolt, a supporting bolt, a pressing plate and other practical manners, so that the clamp can realize the effect of multi-station processing by once clamping the high-strength chassis assembly of the automobile, the processing efficiency can be greatly improved, the process beat requirement is met, the equipment and process circulation cost is reduced, and the positions of the positioning and supporting structure design of the clamp disclosed by the utility model are reasonably distributed according to the structural characteristics of the part, the stability of the part in fixing can be improved, the error caused by repeated clamping can be effectively avoided, and the stability and the precision of the product dimension processing are improved, so that the requirements of the production and the processing of the part with high quality requirements at present are met.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic cross-sectional view of the present utility model;

FIG. 2 is a schematic diagram of the structure of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

fig. 4 is a schematic structural view of a part to be machined.

In the figure: 1. a clamp body; 101. a workpiece groove; 102. a table top a; 103. a table top b; 104. a table top c; 105. a table top d; 2. an auxiliary compaction assembly; 201. positioning a clamping block; 202. a support a; 203. a movable V-shaped block; 204. an auxiliary compression bolt; 3. auxiliary adjusting support; 4. adjusting the positioning support; 5. a support bolt; 6. a pressing plate; 7. fixing a positioning shaft; 8. an adjustment aperture; 9. a main compression bolt; 10. a support b; 11. adjusting a limit screw; 12. and (5) a part to be processed.

Detailed Description

Various embodiments of the present utility model are disclosed in the following drawings, which are presented in sufficient detail to provide a thorough understanding of the present utility model. However, it should be understood that these physical details should not be used to limit the utility model. That is, in some embodiments of the present utility model, these physical details are not necessary. Moreover, for the sake of simplicity of illustration, some well-known and conventional structures and components are shown in the drawings in a simplified schematic manner.

In order to solve the problems that the processing speed of parts is low, the precision is difficult to guarantee and the like due to the fact that the operations of repeated station circulation, repeated clamping and the like are needed in the subsequent processing of the automobile high-strength and toughness chassis assembly, the utility model discloses a comprehensive processing clamp for the automobile high-strength and toughness chassis assembly, which comprises the following specific scheme:

referring to fig. 1-4, the solution includes a fixture body 1, wherein a workpiece groove 101 for accommodating a part 12 to be processed is provided in the middle of the fixture body 1, and a table top a102, a table top b103, a table top c104 and a table top d105 are integrally formed on the fixture body 1 at two sides of the workpiece groove 101; a plurality of adjusting and positioning supports 4 and auxiliary adjusting supports 3 are vertically arranged on the table top b103 and the table top a102 respectively; the top ends of the adjusting and positioning support 4 and the auxiliary adjusting support 3 are respectively attached to the molded surface of the back surface of the part 12 to be processed, and a plurality of table tops (a, b, c, d) are arranged on two sides of the workpiece groove 101, so that the structure of the workpiece groove 101 is more attached to the molded surface structure of the back surface of the part, the height distance between the molded surface of different layers of the back surface of the part and the workpiece groove 101 is reduced, and the stability of the adjusting and positioning support 4 and the auxiliary adjusting support 3 during supporting is improved.

In order to realize the positioning and compressing operation of the parts on the clamp body 1, an auxiliary compressing assembly 2 is arranged in the middle of the table top c104, and the auxiliary compressing assembly 2 comprises a positioning clamping block 201, a support a202, a movable V-shaped block 203 and an auxiliary compressing bolt 204; the positioning fixture block 201 is of a pi-shaped structure design, the positioning fixture block 201 is fixed on the table top c104, the tail end of the movable V-shaped block 203 is slidably inserted into the inner side of the positioning fixture block 201, the front end of the movable V-shaped block 203 is of a horizontal angle design, the support a202 is vertically arranged on the clamp body 1 on the side surface of the table top c104, one side of the support a202 is attached to one side of the positioning fixture block 201, and the auxiliary compression bolt 204 penetrates through the support a202 to be in rotary connection fit with the tail end of the movable V-shaped block 203 through a bearing; the auxiliary compression bolt 204 is in threaded connection with the support a 202.

An active compression assembly is arranged in the middle of the table top d105, and specifically comprises a supporting bolt 5, a fixed positioning shaft 7, a pressing plate 6 and a main compression bolt 9, wherein the supporting bolt 5, the fixed positioning shaft 7 and the main compression bolt 9 are on the same straight line, the pressing plate 6 is arranged at the top end of the supporting bolt 5, an adjusting hole 8 is formed in the middle of the pressing plate 6, and the main compression bolt 9 is vertically arranged in the adjusting hole 8; the supporting bolt 5 is a cylindrical screw rod, the supporting bolt 5 is in threaded connection with the clamp body 1, and is fixed through the lock nut, meanwhile, the top end of the supporting bolt 5 is in sliding fit with an integrally formed sliding groove at the bottom of the pressing plate 6, the main pressing bolt 9 is composed of the screw rod, the pressing nut and the lock nut, the screw rod is in threaded connection with the clamp body 1 and is fixed on the clamp body 1 through the lock nut, the pressing nut is in threaded fit on the outer side of the top end of the screw rod and is located at the top position of the pressing plate 6, the pressing plate 6 can always keep accurate position in the adjusting process through the assembling structure between the supporting bolt 5 and the pressing plate 6, the pressing plate 6 is actively pressed by combining the main pressing bolt 9, meanwhile, the part can be effectively and actively clamped and positioned by means of lifting the bottom of the part through the fixing positioning shaft 7, and the part 12 to be processed can be oppositely clamped and fixed by means of the design of the auxiliary pressing assembly 2.

In order to further improve the stability of the fixture for fixing the high-strength and high-toughness chassis assembly of the automobile, two sides of the table top d105 are respectively fixed with a support b10, the top end of the support b10 is horizontally provided with an adjusting limiting screw 11, and the part 12 to be processed can be positioned and fixed at multiple points on the fixture body 1 by adjusting the limiting screw 11, the pressing plate 6 and the auxiliary pressing assembly 2, so that the stability and the effectiveness of the part during the fixing period can be effectively ensured.

In order to further improve the practicability of the fixture device, the number of the adjusting and positioning supports 4 and the auxiliary adjusting supports 3 is 2-4, the specific number can be selectively installed according to the parts 12 to be processed and the model, and the following needs to be further described: corresponding installation hole sites are reserved on the corresponding table top a102 or table top b103, in order to facilitate the fixation of parts of different types, threaded connection is adopted between the adjusting and positioning support 4 and the auxiliary adjusting support 3 and the clamp body 1, and locking nuts are sleeved on the adjusting and positioning support 4 and the auxiliary adjusting support 3 in a threaded manner, so that the adjusting and positioning support 4 and the auxiliary adjusting support 3 are convenient to disassemble and assemble and adjust in height, the screwing depth of the adjusting and positioning support 4 and the auxiliary adjusting support 3 on the clamp body 1 only needs to be adjusted when the heights of the adjusting and positioning support 4 and the auxiliary adjusting support 3 are adjusted, then the external continuous screwing of the adjusting and positioning support 4 and the auxiliary adjusting support 3 is realized, the drawing effect is realized, and the friction force of a threaded engagement surface between the adjusting and positioning support 4 and the clamp body 1 is increased, so that the anti-loosening effect is realized.

In order to enable the clamp to stably and effectively carry out fixed clamping on the high-strength and high-toughness chassis assembly of the automobile, the distribution positions of the adjusting and positioning support 4 and the auxiliary adjusting support 3 on the table top b103 and the table top a102 are in one-to-one correspondence with the profile distribution of the back surface of the part 12 to be processed, so that reasonable distribution of supporting nodes is realized.

The foregoing description is only illustrative of the utility model and is not to be construed as limiting the utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims

1. The utility model provides a high strength and toughness chassis sub-assembly processing comprehensive fixture of car which characterized in that: the fixture comprises a fixture body (1), wherein a workpiece groove (101) for accommodating a part (12) to be processed is formed in the middle of the fixture body (1), and a table top a (102), a table top b (103), a table top c (104) and a table top d (105) are respectively integrally formed on the fixture body (1) on two sides of the workpiece groove (101); an auxiliary pressing component (2) is arranged in the middle of the table top c (104), and a plurality of adjusting and positioning supports (4) and auxiliary adjusting supports (3) are vertically arranged on the table top b (103) and the table top a (102) respectively; the middle part of the table top d (105) is respectively provided with a supporting bolt (5) and a fixed positioning shaft (7); the top end of the supporting bolt (5) is provided with a pressing plate (6), the middle part of the pressing plate (6) is provided with an adjusting hole (8), and a main pressing bolt (9) is vertically arranged in the adjusting hole (8); the two sides of the table top d (105) are also respectively fixed with a support b (10), and the top end of the support b (10) is horizontally provided with an adjusting limit screw (11).

2. The automobile high-strength and toughness chassis assembly machining comprehensive clamp according to claim 1, wherein: the number of the adjusting and positioning supports (4) and the auxiliary adjusting supports (3) is 2-4, the adjusting and positioning supports (4) and the auxiliary adjusting supports (3) are in threaded connection with the clamp body (1), and locking nuts are sleeved on the adjusting and positioning supports (4) and the auxiliary adjusting supports (3) in a threaded mode.

3. The automobile high-strength and toughness chassis assembly machining comprehensive clamp according to claim 1, wherein: the support bolt (5), the fixed positioning shaft (7) and the main compression bolt (9) are on the same straight line, the support bolt (5) is a cylindrical screw rod, the support bolt (5) is in threaded connection with the clamp body (1) and is fixed through a lock nut, and the top end of the support bolt (5) is in sliding fit with a chute formed by integrating the bottom of the pressing plate (6).

4. The automobile high-strength and toughness chassis assembly machining comprehensive clamp according to claim 1, wherein: the main compression bolt (9) consists of a screw, a compression nut and a lock nut, wherein the screw is in threaded connection with the clamp body (1) and is fixed on the clamp body (1) through the lock nut, and the compression nut is in threaded sleeving on the outer side of the top end of the screw and is located at the top position of the pressing plate (6).

5. The automobile high-strength and toughness chassis assembly machining comprehensive clamp according to claim 1, wherein: the auxiliary compression assembly (2) comprises a positioning clamping block (201), a support a (202), a movable V-shaped block (203) and an auxiliary compression bolt (204); the positioning fixture block (201) is of an n-shaped structural design, the positioning fixture block (201) is fixed on the table top c (104), the tail end of the movable V-shaped block (203) is slidably inserted into the inner side of the positioning fixture block (201), the front end of the movable V-shaped block (203) is of a horizontal angle design, the support a (202) is vertically arranged on the fixture body (1) on the side surface of the table top c (104), one side of the support a (202) is attached to one side of the positioning fixture block (201), and the auxiliary compression bolt (204) penetrates through the support a (202) to be matched with the tail end of the movable V-shaped block (203) through a bearing in a rotating connection manner; the auxiliary compression bolt (204) is in threaded connection with the support a (202).

6. The automobile high-strength and toughness chassis assembly machining comprehensive clamp according to claim 2, wherein: the distribution positions of the adjusting and positioning support (4) and the auxiliary adjusting support (3) on the table top b (103) and the table top a (102) are in one-to-one correspondence with the profile distribution of the back surface of the part to be processed (12), and the top ends of the adjusting and positioning support (4) and the auxiliary adjusting support (3) are respectively attached to the profile of the back surface of the part to be processed (12).