Special hydraulic fixture for automobile wheel support
Technical Field
The invention relates to the technical field of automobile wheel supports, in particular to a hydraulic clamp special for an automobile wheel support.
Background
The automobile wheel support is one of key parts in an automobile chassis, and is mainly used for bearing external load in the normal running process of an automobile so as to ensure that the automobile runs safely and stably, so that higher technical requirements on performance indexes such as processing quality and the like of the automobile wheel support are provided in the production process of the automobile wheel support, and the automobile wheel support is required to have high strength. But because the wheel support has the characteristics of complex structure, various forms, more wheel support processing hole sites and distribution in all directions in space, the clamp in the common processing technology is not enough to meet the requirement, and a hydraulic clamp special for the automobile wheel support is needed. The hydraulic clamp is a clamp which uses a hydraulic element to replace a mechanical part to realize automatic positioning, supporting and clamping of a workpiece. The desired fixture is obtained by assembling the selected hydraulic components with the designed mechanical parts. The existing hydraulic clamp special for the automobile wheel support usually utilizes a hydraulic cylinder to drive two clamp arms, so that the clamp arms clamp the wheel support.
The existing hydraulic clamp has the following defects that firstly, the support of the automobile wheel is irregular in shape, and the wheel support is clamped only by the clamp arm, so that clamping is unstable and unbalanced, the wheel support rotates, deviates and shakes, and the subsequent production is affected; secondly, the wheel support is complex in structure and numerous in parts, and the wheel support can be damaged when the wheel support is clamped by the clamp, so that the production cost is greatly improved, and the product quality is reduced. In order to solve the problems, the hydraulic clamp special for the automobile wheel support is designed.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides the special hydraulic clamp for the automobile wheel support, which can enable the clamping of the wheel support to be more stable, prevent the wheel support from rotating, deviating and shaking, and simultaneously prevent the structure of the wheel support from being damaged when the clamp is used for clamping, so that the product quality is higher, and the special hydraulic clamp is worthy of popularization.
The technical scheme adopted by the invention for solving the technical problems is as follows: a hydraulic clamp special for an automobile wheel bracket comprises a hydraulic cylinder, wherein an output end of the hydraulic cylinder is connected with an output shaft which is vertically and upwardly arranged, the top end of the output shaft is fixedly connected with a first clamping plate which is horizontally arranged, the upper surface of the first clamping plate is fixedly connected with a first moving rod which is vertically and upwardly arranged, a second clamping plate and a fixed flat plate which are horizontally arranged are sequentially arranged right above the first clamping plate, a first through hole and a second through hole which penetrate through the second clamping plate are sequentially arranged on the surface of the second clamping plate from left to right, a third through hole, a fourth through hole and a fifth through hole which penetrate through the fixed flat plate are sequentially arranged on the surface of the fixed flat plate from left to right, the first through hole and the third through hole are respectively penetrated by two ends of the first moving rod, a second moving rod and a third moving rod are sequentially arranged on the right side of the first moving rod, and the second moving rod and the fourth through hole are respectively penetrated by two ends of the second moving rod, and the two ends of the third moving rod penetrate through the fifth through holes, the bottom ends of the second moving rod and the third moving rod are respectively and fixedly connected with a third clamping plate and a fourth clamping plate which are horizontally arranged, and a first spring, a second spring and a third spring are respectively sleeved outside the first moving rod, the second moving rod and the third moving rod.
As a preferable technical solution of the present invention, the first spring is located between the first clamping plate and the second clamping plate, the second spring is located between the second clamping plate and the third clamping plate, and the third spring is located between the fourth clamping plate and the fixed flat plate.
As a preferable technical solution of the present invention, the third clamping plate is located between the first clamping plate and the second clamping plate, and the fourth clamping plate is located between the second clamping plate and the fixed flat plate.
As a preferred technical solution of the present invention, the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate are all of a double-layer hollow structure, and damping springs are uniformly distributed inside the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate.
As a preferred technical scheme of the present invention, rubber pads are disposed on the surfaces of the first clamping plate, the second clamping plate, the third clamping plate, and the fourth clamping plate, and the surfaces of the rubber pads are provided with protrusions uniformly distributed.
In a preferred embodiment of the present invention, the first moving bar, the second moving bar and the third moving bar have the same diameter, the first through hole, the second through hole, the third through hole, the fourth through hole and the fifth through hole have the same diameter, and the diameter of the first through hole is slightly larger than the diameter of the first moving bar.
As a preferable technical solution of the present invention, the distances from the left ends of the third clamping plate and the fourth clamping plate to the first moving bar and the second moving bar are both 3 to 5 centimeters.
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the invention, the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate are arranged, the first clamping plate and the fourth clamping plate can extrude the wheel support from the outside of the wheel support from outside to inside, the second clamping plate and the third clamping plate can extend into the annular through hole of the wheel support and extrude the wheel support from inside to outside, so that the wheel support is clamped more stably and more balanced, the wheel support can be prevented from rotating, deviating and shaking, and a good foundation is laid for the next production process.
(2) According to the invention, the first spring, the second spring and the third spring are respectively sleeved outside the first moving rod, the second moving rod and the third moving rod, the first spring is positioned between the first clamping plate and the second clamping plate, the second spring is positioned between the second clamping plate and the third clamping plate, and the third spring is positioned between the fourth clamping plate and the fixed flat plate, so that when the hydraulic cylinder pushes the first clamping plate to move upwards, the first spring, the second spring and the third spring not only can respectively extrude the wheel support through the second clamping plate, the third clamping plate and the fourth clamping plate, but also can provide a reaction force, the damage of the structure and parts of the wheel support due to overlarge clamping force is prevented, and the quality of the produced wheel support is higher.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic diagram of a fourth clamping plate structure according to the present invention.
In the figure: 1-a hydraulic cylinder; 2-an output shaft; 3-a first clamping plate; 4-a first travel bar; 5-a second clamping plate; 6-fixing the flat plate; 7-a first via; 8-a second via; 9-a third via; 10-a fourth via; 11-a fifth through hole; 12-a second travel bar; 13-a third travel bar; 14-a third clamping plate; 15-a fourth clamping plate; 16-a first spring; 17-a second spring; 18-a third spring; 19-a damping spring; 20-rubber leather pad; 21-bulge.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following description of the embodiments refers to the accompanying drawings, which are included to illustrate specific embodiments in which the invention may be practiced. In the present invention, the terms of direction and position, such as "up", "middle", "down", "front", "back", "left", "right", "inside", "outside", "side", etc., refer to the direction and position of the attached drawings. Accordingly, the use of directional and positional terms is intended to be illustrative and understood, and not restrictive.
Example (b):
as shown in figure 1, the invention provides a hydraulic clamp special for an automobile wheel bracket, which comprises a hydraulic cylinder 1, wherein the output end of the hydraulic cylinder 1 is connected with an output shaft 2 which is vertically and upwardly arranged, used for providing clamping force of the clamp, the top end of the output shaft 2 is fixedly connected with a first clamping plate 3 which is horizontally arranged, and the upper surface of the first clamping plate 3 is fixedly connected with a first moving rod 4 which is vertically and upwardly arranged, a horizontal second clamping plate 5 and a fixed flat plate 6 are sequentially arranged right above the first clamping plate 3, and the surface of the second clamping plate 5 is provided with a first through hole 7 and a second through hole 8 which penetrate through the second clamping plate 5 from left to right in sequence, the surface of the fixed flat plate 6 is sequentially provided with a third through hole 9, a fourth through hole 10 and a fifth through hole 11 which penetrate through the fixed flat plate 6 from left to right, and two ends of the first moving rod 4 penetrate through the first through hole 7 and the third through hole 9 respectively.
As shown in fig. 1, the right side of the first moving rod 4 is sequentially provided with a second moving rod 12 and a third moving rod 13, two ends of the second moving rod 12 respectively pass through the second through hole 8 and the fourth through hole 10, two ends of the third moving rod 13 pass through the fifth through hole 11, the diameters of the first moving rod 4, the second moving rod 12 and the third moving rod 13 are equal, the diameters of the first through hole 7, the second through hole 8, the third through hole 9, the fourth through hole 10 and the fifth through hole 11 are equal, and the diameter of the first through hole 7 is slightly larger than that of the first moving rod 4, so that the first moving rod 4, the second moving rod 12 and the third moving rod 13 can respectively move up and down in the first through hole 7, the second through hole 8, the third through hole 9, the fourth through hole 10 and the fifth through hole 11.
As shown in fig. 1, the bottom ends of the second moving rod 12 and the third moving rod 13 are respectively and fixedly connected with a third clamping plate 14 and a fourth clamping plate 15 which are horizontally arranged, the left ends of the third clamping plate 14 and the fourth clamping plate 15 are respectively 3 to 5 cm away from the first moving rod 4 and the second moving rod 12, so as to prevent the clamping of the wheel support by the third clamping plate 14 and the fourth clamping plate 15 from being affected by the first moving rod 4 and the second moving rod 12, the third clamping plate 14 is located between the first clamping plate 3 and the second clamping plate 5, the fourth clamping plate 15 is located between the second clamping plate 5 and the fixed flat plate 6, the first spring 16, the second spring 17 and the third spring 18 are respectively sleeved outside the first moving rod 4, the second moving rod 12 and the third moving rod 13, so that the first clamping plate 3 and the fourth clamping plate 15 can press the wheel support from outside to inside under the driving of the hydraulic cylinder 1, and second grip block 5 and third grip block 14 can stretch into the annular through hole of wheel carrier to extrude the wheel carrier from inside to outside, make the centre gripping of wheel carrier more stable, more balanced, can prevent that the condition of rotation, skew, shake from appearing in the wheel carrier, lay good basis for following production process.
As shown in fig. 1, the first spring 16 is located between the first clamping plate 3 and the second clamping plate 5, the second spring 17 is located between the second clamping plate 5 and the third clamping plate 14, and the third spring 18 is located between the fourth clamping plate 15 and the fixed flat plate 6, so that when the hydraulic cylinder 1 pushes the first clamping plate 3 to move upwards, the first spring 16, the second spring 17 and the third spring 18 not only enable the second clamping plate 5, the third clamping plate 14 and the fourth clamping plate 15 to respectively press the wheel bracket, but also provide a reaction force, and prevent the structure and parts of the wheel bracket from being damaged due to an overlarge clamping force.
As shown in fig. 2, the first clamping plate 3, the second clamping plate 5, the third clamping plate 14 and the fourth clamping plate 15 are all of a double-layer hollow structure, and damping springs 19 which are uniformly distributed are arranged inside the first clamping plate 3, the second clamping plate 5, the third clamping plate 14 and the fourth clamping plate 15, so that a damping and buffering effect is achieved, the wheel support is prevented from being damaged due to the fact that clamping force of the hydraulic clamp is too large, rubber pads 20 are arranged on the surfaces of the first clamping plate 3, the second clamping plate 5, the third clamping plate 14 and the fourth clamping plate 15, and protrusions 21 which are uniformly distributed are arranged on the surfaces of the rubber pads 20, so that a buffering effect is achieved, friction between the clamp and the wheel support can be increased, and clamping of the clamp is more stable.
In summary, the main features of the present invention are:
(1) according to the invention, the first clamping plate, the second clamping plate, the third clamping plate and the fourth clamping plate are arranged, the first clamping plate and the fourth clamping plate can extrude the wheel support from the outside of the wheel support from outside to inside, the second clamping plate and the third clamping plate can extend into the annular through hole of the wheel support and extrude the wheel support from inside to outside, so that the wheel support is clamped more stably and more balanced, the wheel support can be prevented from rotating, deviating and shaking, and a good foundation is laid for the next production process.
(2) According to the invention, the first spring, the second spring and the third spring are respectively sleeved outside the first moving rod, the second moving rod and the third moving rod, the first spring is positioned between the first clamping plate and the second clamping plate, the second spring is positioned between the second clamping plate and the third clamping plate, and the third spring is positioned between the fourth clamping plate and the fixed flat plate, so that when the hydraulic cylinder pushes the first clamping plate to move upwards, the first spring, the second spring and the third spring not only can respectively extrude the wheel support through the second clamping plate, the third clamping plate and the fourth clamping plate, but also can provide a reaction force, the damage of the structure and parts of the wheel support due to overlarge clamping force is prevented, and the quality of the produced wheel support is higher.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.