CN221047899U - Compact hydraulic clamp for rear wheel bracket - Google Patents
Compact hydraulic clamp for rear wheel bracket Download PDFInfo
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- CN221047899U CN221047899U CN202322766182.0U CN202322766182U CN221047899U CN 221047899 U CN221047899 U CN 221047899U CN 202322766182 U CN202322766182 U CN 202322766182U CN 221047899 U CN221047899 U CN 221047899U
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- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000003825 pressing Methods 0.000 claims abstract description 21
- 210000000078 claw Anatomy 0.000 claims abstract description 9
- 230000009471 action Effects 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 7
- 238000005056 compaction Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The compact hydraulic clamp of the rear wheel bracket forms a preset included angle with a right positioning main plane on the left side of the main body part, and a central main clamping mechanism, an angular positioning supporting device, an angular positioning oil cylinder, an auxiliary support and an auxiliary pressing structure are arranged in the same way; the central main clamping mechanism comprises: the device comprises a flange surface for positioning a workpiece plane, a circular profiling side wall for main positioning of a workpiece center hole and a main clamping cylinder for locking the workpiece; the angular positioning support device comprises an angular positioning surface for supporting the workpiece; the angular positioning oil cylinder comprises: a pre-supporting spring and an auxiliary supporting oil cylinder which are arranged on the main body of the angular positioning mechanism in parallel towards the angular positioning device; the auxiliary support comprises an auxiliary support cylinder, one side of which is fixedly arranged on the main body part; the auxiliary pressing structure comprises: one side is fixedly arranged on the auxiliary pressing cylinder of the main body part and the pressing claw is telescopically arranged on the auxiliary pressing cylinder. Thus, one machining center can machine two workpieces at a time, and the machining beat is shortened.
Description
Technical Field
The utility model relates to the technical field of manufacturing of automobile chassis parts, in particular to a compact hydraulic clamp for a rear wheel bracket.
Background
At present, the automobile industry rapidly develops, green and environment-friendly trip is promoted worldwide, and the original iron casting is replaced by a lightweight aluminum product. In an automobile chassis system, a rear wheel bracket is an important part in the chassis system, so that the automobile can stably run and the running direction can be sensitively transferred. The wheel bracket has the greatest responsibility on the active safety of the vehicle and ensures the smooth and comfortable running of the vehicle, so the product standard requirement is very high. The structure is complex, and the dimensional accuracy is high. Therefore, high demands are placed on machined hydraulic clamps: high positioning precision, stable and reliable clamping, high processing efficiency, error proofing requirement and convenience for feeding and discharging of workers.
The mechanism of the wheel bracket is relatively complex, the processing features are more, the compounding angles of the processing features are more, and the space size requirement is relatively strict. The device has the advantages that the device is easy to operate, the device is easy to deviate and defective products are caused. Therefore, a large amount of manpower and material resources are consumed, the production efficiency is low, and the dimensional accuracy cannot be guaranteed.
Disclosure of utility model
In order to solve the problems, the utility model aims to provide a compact hydraulic clamp for a rear wheel bracket, which can realize convenient and quick positioning of workpieces and finish machining of left and right workpieces at one time.
According to an aspect of the present utility model, there is provided a compact hydraulic clamp for a rear wheel carrier, comprising a base portion and a main body portion rising upward from the center of the base portion, a left positioning main plane of the main body portion and a right positioning main plane form a predetermined angle, and a center main clamping mechanism, an angular positioning support device, an angular positioning cylinder, an auxiliary support and an auxiliary pressing structure are symmetrically and identically arranged, respectively; a first auxiliary supporting structure for respectively assisting left side positioning and right side positioning is arranged at the top of the main body part; a sequence valve for sequentially controlling the actions of the oil cylinders is arranged on one side of the base part; the central main clamping mechanism comprises: the device comprises a flange surface for planar positioning of a rear wheel bracket, namely a workpiece, a circular profiling side wall for contacting with a central hole of the workpiece to perform main positioning, and a main clamping oil cylinder for locking the workpiece; the angular positioning support device comprises an angular positioning surface for supporting the workpiece; the angular positioning oil cylinder comprises: a pre-support spring and an auxiliary support cylinder which are fixedly installed on the angular positioning mechanism main body of the base part through connecting bolt holes and are parallel installed on the angular positioning mechanism main body towards the angular positioning device; the auxiliary support comprises an auxiliary support cylinder, one side of which is fixedly arranged on the main body part; the auxiliary pressing structure comprises: one side is fixedly arranged on the auxiliary pressing cylinder of the main body part and the pressing claw is telescopically arranged on the auxiliary pressing cylinder.
Preferably, the main clamping cylinder includes: a valve core embedded in the groove in the main body part, three main pressing claws fixed on the valve core via respective cylinder rods.
Preferably, the angular positioning support means is constituted by a combination of a plurality of stoppers screwed to the main body portion, wherein a surface of at least one stopper facing the angular positioning cylinder serves as the angular positioning surface.
Preferably, the first auxiliary support structure comprises a ram ejector rod.
Preferably, the main body part is further provided with a guiding device and a profiling guide for guiding or preventing errors.
Preferably, the angular positioning mechanism body is formed with a surface inclined with respect to the base portion, and the pre-support spring and the auxiliary support cylinder are mounted on the inclined surface.
Preferably, the predetermined angle is 30 degrees.
Preferably, the main body portion is configured as a trapezoidal table or a quadrangular table.
According to the utility model, the design of placing two workpieces in a limited space can be realized by the composite angle design corresponding to the workpiece of the rear wheel bracket, the structure is compact and simple, the clamping force is greatly improved, the processing efficiency is improved, the processing precision is ensured, and the processing beat is shortened.
Drawings
Fig. 1 is a front view of a compact clamp of a rear wheel bracket according to an exemplary embodiment of the present utility model.
Fig. 2 is a schematic perspective view of the fixture.
Fig. 3 is a side view of the clamp.
Fig. 4 is a schematic view of the angular positioning mechanism of the clamp.
Detailed Description
Exemplary embodiments of the present utility model are described in detail below with reference to the attached drawings. The exemplary embodiments described below and illustrated in the drawings are intended to teach the principles of the present utility model to enable one skilled in the art to make and use the present utility model in a number of different environments and for a number of different applications. The scope of the utility model is therefore defined by the appended claims, and the exemplary embodiments are not intended, and should not be considered, as limiting the scope of the utility model. Moreover, for ease of description, elements in the drawings that are identical, particularly in the left and right positioning main planes, are denoted by identical or similar reference numerals, and the dimensions of the various illustrated parts are not necessarily drawn to scale, and reference to the orientation description, such as longitudinal direction of the corresponding body, and orientation or positional relationship indicated by upper, lower, left, right, top, bottom, etc., are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. The following description of the embodiments emphasizes the differences between the embodiments, and the same or similar features may be referred to each other, so that technical features in the different embodiments may be freely combined to form further embodiments according to design needs for brevity and not described in detail. In order that those skilled in the art will better understand the technical solutions of the present patent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described examples are only some, but not all, embodiments of the present utility model. 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.
As shown in fig. 1 to 4, the compact hydraulic jig 2 for a rear wheel bracket according to an exemplary embodiment of the present utility model can ensure placement of two workpieces, i.e., a right workpiece 1, a left workpiece 3 (hereinafter also referred to as a workpiece collectively), in a limited space by designing a body structure of a specific angle according to the workpiece profile and machining characteristics. That is, a set of hydraulic jigs 2 is used to clamp two workpieces separately on both sides.
More specifically, the hydraulic jig 2 includes a base portion and a main body portion 5 rising upward from the center of the base portion, a left positioning main plane 206 of the main body portion 5 forming a predetermined angle with a right positioning main plane 208, on which positioning members are symmetrically and identically arranged, and on which, as shown in fig. 2, as the above-mentioned positioning members, there are provided: the device comprises a central main clamping mechanism 6, an angular positioning support device 8, an angular positioning oil cylinder 9, an auxiliary support 10 and an auxiliary pressing structure 11. As shown in fig. 3, a side portion corresponding to fig. 2 is also shown in detail.
On top of the main body part 5 a first auxiliary support structure 4 is arranged which assists the left and right positioning, respectively. A sequence valve 7 is provided on the base portion side of the main body portion 5 for sequentially controlling the operations of the cylinders in the respective positioning members. For example, by adding eight groups of sequential valve groups in the hydraulic system, respectively correspondingly controlling 8 hydraulic actuating mechanisms, the compaction sequence is defined, firstly, the plane contact between the workpiece plane and the plane of the hydraulic clamp 2 is ensured, firstly, the plane and the central main positioning are fixed, secondly, the auxiliary support cylinder 303 extends out, the angular positioning is ensured, and finally, the auxiliary support 10 and the auxiliary compaction structure 11 extend out or retract correspondingly, and the logic sequence is ensured.
The first auxiliary support structure 4 comprises a ram ejector rod 201.
The central main clamping mechanism 6 comprises: the flange face for plane location of work piece, the circular profile modeling lateral wall for with the centre bore contact of work piece is for main location, the main clamping cylinder that is used for locking work piece, as shown in fig. 3, the main clamping cylinder includes: a spool fitted in the groove in the main body portion 5, three main pressing claws fixed to the spool via respective cylinder rods, respectively.
The angular positioning support device 8 includes: an angular positioning surface for supporting a workpiece. As shown in fig. 3, the angular positioning support device 8 is constituted by a combination of a plurality of stoppers 207 screwed to the main body portion 5, wherein a surface of at least one stopper facing the angular positioning cylinder 9 serves as an angular positioning surface.
As shown in fig. 4, the angular positioning cylinder 9 includes: the angular positioning mechanism main body 301 fixedly attached to the base portion via the connecting bolt hole 304 includes a pre-support spring 302 and an auxiliary support cylinder 303 attached to the angular positioning mechanism main body 301 in parallel so as to face the angular positioning device 8. The angular positioning mechanism main body 301 is preferably formed with a surface inclined with respect to the base portion 2 so that the pre-support spring 302, the auxiliary support cylinder 303 mounted thereon are obliquely directed toward the angular positioning surface.
The auxiliary support 10 includes: an auxiliary support cylinder with one side fixedly mounted on the main body 5.
The auxiliary pressing structure 11 includes: an auxiliary pressing cylinder with one side fixedly mounted on the main body part 5 and a pressing claw telescopically mounted on the auxiliary pressing cylinder.
The main body 5 is further provided with a guide 203 and a profile guide 209 for guiding or preventing an error.
Introduction of working principle: the central main clamping mechanism 6 comprises three functions: plane positioning, main positioning and compaction of three pressing claws. Firstly, fixing a plane: placing the workpiece on the central main clamping mechanism 6 through the guide device 203 and the profiling guide 209, and forming surface contact by making the flange surface of the central main clamping mechanism 6 contact with the flange reference surface of the workpiece; the circular profiling side wall of the central main clamping mechanism 6 is contacted with the central hole of the workpiece to form main positioning; secondly, the angular positioning oil cylinder 9 is ejected out through the control of the sequence valve 7, the workpiece is pushed to the angular positioning surface of the angular positioning support device 8, one of the side surfaces of the caliper hole of the workpiece is contacted with the surface of the stop block 207, and angular positioning is formed; thirdly, the main clamping oil cylinder of the central main clamping mechanism 6 compresses tightly the action, and the workpiece is locked by three main compression claws; fourth, the cylinder ejection rod 201 of the first auxiliary supporting structure 4 ejects, and the auxiliary supporting structure 10 ejects to fix the workpiece. And the right workpiece is similar.
Before the central main clamping mechanism 6 acts, the workpiece is first pre-positioned by the pre-supporting spring 302 of the angular positioning oil cylinder 9, so that the workpiece can be propped against the angular positioning surface of the angular positioning supporting device 8 by the self spring force, and then the auxiliary supporting oil cylinder 303 extends out to ensure stable angular positioning as described above. The combination of the pre-support spring 302 and the auxiliary support cylinder 303 effectively ensures the accuracy of angular positioning.
In one embodiment, by forming the left positioning main plane 206 and the right positioning main plane 208 on the main body 5 configured as a trapezoidal table or a quadrangular prism table into an included angle of 30 degrees, the design of the angle can realize the design of placing two workpieces in a limited space, the structure is compact and simple, the clamping force is greatly improved, the machining efficiency is improved, and the machining precision is ensured. The machining position of two workpieces machined by one machining center at a time shortens the machining beat.
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 (8)
1. A compact hydraulic clamp for a rear wheel bracket, which is characterized by comprising a base part and a main body part (5) rising upwards from the center of the base part, wherein a left positioning main plane (206) and a right positioning main plane (208) of the main body part (5) form a preset included angle, and a center main clamping mechanism (6), an angular positioning supporting device (8), an angular positioning oil cylinder (9), an auxiliary support (10) and an auxiliary pressing structure (11) are symmetrically and identically arranged respectively; a first auxiliary supporting structure (4) which respectively assists the left side positioning and the right side positioning is arranged at the top of the main body part (5); a sequence valve (7) for sequentially controlling the actions of the oil cylinders is arranged on one side of the base part; the central main clamping mechanism (6) comprises: the device comprises a flange surface for planar positioning of a rear wheel bracket, namely a workpiece, a circular profiling side wall for contacting with a central hole of the workpiece to perform main positioning, and a main clamping oil cylinder for locking the workpiece; the angular positioning support device (8) comprises an angular positioning surface for supporting the workpiece; the angular positioning oil cylinder (9) comprises: an angular positioning mechanism main body (301) fixedly mounted on the base part via a connecting bolt hole (304), a pre-bearing spring (302) and an auxiliary bearing cylinder (303) mounted on the angular positioning mechanism main body (301) in parallel toward the angular positioning support device (8); the auxiliary support (10) comprises an auxiliary support cylinder, one side of which is fixedly arranged on the main body part (5); the auxiliary pressing structure (11) comprises: an auxiliary compressing cylinder with one side fixedly arranged on the main body part (5) and a compressing claw which is telescopically arranged on the auxiliary compressing cylinder.
2. The compact hydraulic clamp of a rear wheel bracket of claim 1, wherein the main clamping cylinder comprises: a valve core embedded in a groove in the main body part (5), and three main pressing claws respectively fixed on the valve core through respective cylinder rods.
3. The compact hydraulic clamp of a rear wheel carrier according to claim 1, characterized in that the angular positioning support means (8) is constituted by a combination of a plurality of blocks (207) screwed to the body part (5), wherein the surface of at least one block facing the angular positioning cylinder (9) serves as an angular positioning surface.
4. The compact hydraulic clamp of a rear wheel carrier as claimed in claim 1, characterized in that the first auxiliary support structure (4) comprises a ram ejector rod (201).
5. Compact hydraulic clamp according to claim 1, characterized in that the body part (5) is further provided with guiding means (203) and profiling guides (209) for guiding or preventing errors.
6. The compact hydraulic clamp of the rear wheel carrier according to claim 1, characterized in that the angular positioning mechanism main body (301) is formed with a surface inclined with respect to the base portion (2), on which the pre-support spring (302), the auxiliary support cylinder (303) are mounted.
7. The compact hydraulic clamp of a rear wheel carrier of claim 1, wherein the predetermined included angle is 30 degrees.
8. The compact hydraulic clamp of a rear wheel carrier according to claim 1, characterized in that the body part (5) is configured as a trapezoidal or quadrangular frustum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322766182.0U CN221047899U (en) | 2023-10-14 | 2023-10-14 | Compact hydraulic clamp for rear wheel bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322766182.0U CN221047899U (en) | 2023-10-14 | 2023-10-14 | Compact hydraulic clamp for rear wheel bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221047899U true CN221047899U (en) | 2024-05-31 |
Family
ID=91225455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322766182.0U Active CN221047899U (en) | 2023-10-14 | 2023-10-14 | Compact hydraulic clamp for rear wheel bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221047899U (en) |
-
2023
- 2023-10-14 CN CN202322766182.0U patent/CN221047899U/en active Active
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