CN210452414U - Machining clamp for ensuring profile degree of opposite surfaces of mounting surfaces on same side of auxiliary frame - Google Patents
Machining clamp for ensuring profile degree of opposite surfaces of mounting surfaces on same side of auxiliary frame Download PDFInfo
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- CN210452414U CN210452414U CN201920808670.4U CN201920808670U CN210452414U CN 210452414 U CN210452414 U CN 210452414U CN 201920808670 U CN201920808670 U CN 201920808670U CN 210452414 U CN210452414 U CN 210452414U
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- 238000003754 machining Methods 0.000 title claims description 12
- 238000009434 installation Methods 0.000 claims abstract description 7
- 230000006698 induction Effects 0.000 claims abstract description 4
- 238000003825 pressing Methods 0.000 claims description 14
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003466 welding Methods 0.000 abstract description 4
- 239000002994 raw material Substances 0.000 abstract description 3
- 238000009825 accumulation Methods 0.000 abstract description 2
- 230000017105 transposition Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a guarantee sub vehicle frame homonymy each installation face opposite face profile tolerance machine tooling anchor clamps, including the mounting panel, fixed slide rail, actuating mechanism that are provided with on the mounting panel, the slide slides through the slide rail and sets up in the top of mounting panel, pre-positioning subassembly, location compress tightly subassembly, auxiliary stay subassembly and induction system distribute on slide plate and mounting panel to mutually support and realize the clamping location to the sub vehicle frame, adopt above-mentioned structure, effectively solve the error accumulation that the welding process caused, improve the quality of sub vehicle frame, reduce the risk that the fitting member warp when installing; the number of processing surfaces is reduced, and the raw material cost and the production tact are reduced; the height of the positioning point of the fixture positioned on the surface is greatly reduced, the jacking stroke of the bottom jacking mechanism is reduced, the positioning of the mounting part is more stable and reliable, the clamping time is reduced, and the production efficiency is improved; the action of manually pushing the workpiece is omitted, and the man-machine load is reduced.
Description
Technical Field
The utility model relates to a frock clamp technical field especially relates to a guarantee machine tooling anchor clamps of each installation face opposite face profile degree of sub vehicle frame homonymy.
Background
In the prior art, the clamps for processing the auxiliary frame are positioned through all the surfaces at the bottom opposite to the surface to be processed, and for the workpieces to be processed with large shapes and many supports, the clamps positioned on all the surfaces at the upper part are generally higher in the upper positioning point for avoiding the supports; the assembling mode is mainly a mode of manually pushing the workpiece horizontally or a mode of combining rotatable transposition positioning support with upper and lower vertical assembling pieces.
For a general subframe fixture for positioning each bottom surface opposite to a surface to be processed, if the requirements of each mounting surface on the same side of a subframe are high, and part of the surfaces are the surfaces of machined stamping parts or the end surfaces of sleeves recessed into the stamping parts, the general subframe fixture for positioning each bottom surface cannot guarantee the surface profile requirements of each mounting surface on the same side due to accumulated errors caused by welding. When the auxiliary frame is assembled, the assembled matching parts deform due to the fact that the profile of the matching surfaces of the auxiliary frame is out of tolerance, and performance risks are caused; for the general fixture with the surface positioning function, the workpiece to be machined is large in appearance and multiple in supports, due to the fact that the upper positioning point is too high, the workpiece is large and special-shaped, in the process that the workpiece is tightly pushed by the bottom pushing mechanism, the pushing stroke is too long, the workpiece is prone to deviating from the expected position or the workpiece and the guide pin of the fixture are blocked, if the rotatable transposition positioning support is adopted, although the problem that the pushing stroke is too long is solved, a large amount of clamping time is increased, and the working efficiency is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses it is not enough to prior art, provide one kind and can improve production efficiency, avoid welding process to cause the accumulative total assurance sub vehicle frame homonymy each installation face opposite face profile degree's machine tooling anchor clamps.
In order to solve the technical problem, the utility model discloses a following technical scheme can solve: the utility model provides a guarantee sub vehicle frame homonymy each installation face opposite face profile tolerance's machine tooling anchor clamps, includes the mounting panel, the mounting panel on fixed slide rail, actuating mechanism that is provided with, the slide passes through the slide rail slide and set up the top of mounting panel, the slide be in actuating mechanism's drive down can the slide rail on slide, prepositioning subassembly, location compress tightly subassembly, supplementary supporting component and induction system distribute and be in the slide reach the mounting panel on to mutually support and realize the tight location of clamp to sub vehicle frame.
In the technical scheme, wing-shaped parts are integrally and symmetrically arranged on two sides of the front end of the sliding plate.
In the technical scheme, the pre-positioning assembly comprises a pre-positioning pin, a pre-positioning support and a limiting block, the pre-positioning pin is symmetrically arranged on the wing-shaped part, the pre-positioning support is fixedly arranged on the sliding plate and is positioned at the rear end of the sliding plate, and the limiting block is fixed on the mounting plate and is arranged opposite to the rear end part of the sliding plate to assist in blocking the sliding stroke of the sliding plate.
In the above technical scheme, the driving mechanism is an internal pulling oil cylinder.
In the technical scheme, the positioning and compressing assembly comprises a positioning support and a jacking device, the positioning support is fixedly arranged on the mounting plates on two sides of the sliding plate, and the jacking device is fixed on the mounting plates and matched with the positioning support in the set position and the set quantity.
In the above technical solution, the positioning support includes 1 movable positioning support and 3 fixed positioning supports.
In the above technical solution, the movable positioning support includes a first L-shaped bracket and a movable support head with a mechanical self-locking hydraulic cylinder, and the fixed positioning support includes a second L-shaped bracket and a fixed support head.
In the above technical solution, the sensing device includes a first sequence valve fixedly disposed on the sliding plate and a second sequence valve fixedly disposed on the mounting plate, the first sequence valve is used for controlling the auxiliary compressing device, and the second sequence valve is used for controlling the jacking device in the positioning compressing assembly.
In the above technical solution, the auxiliary supporting assembly includes an auxiliary supporting device and an auxiliary pressing device both disposed on the sliding plate.
In the technical scheme, the auxiliary supporting device and the auxiliary pressing device are driven by hydraulic cylinders.
Compared with the prior art, the utility model discloses following beneficial effect has: part surfaces in all the mounting surfaces with higher requirements on relative positions on the same side are used as positioning references, and for the auxiliary frame of which part machining surfaces on the same side cannot be machined, the error accumulation caused in the welding process is effectively solved, the quality of the auxiliary frame is improved, and the risk of deformation of a matching piece during mounting is reduced; part of surfaces in each mounting surface with high requirements on the relative position of the auxiliary frame are used as positioning references, so that for most auxiliary frames, the number of processing surfaces is reduced, and the raw material cost and the production beat are reduced; the mechanical self-locking hydraulic cylinder or the supporting cylinder is adopted to replace a fixed positioning point which interferes with a workpiece support when a workpiece is clamped, so that the positioning point height of the clamp positioned on the surface is greatly reduced, the jacking stroke of the bottom jacking mechanism is greatly reduced, the positioning of a mounting part is more stable and reliable, the clamping time is reduced for the clamp adopting rotary transposition positioning bearing, and the production efficiency is improved; the mode that adopts the slide to combine actuating mechanism saves the action of artifical push-in work piece, has reduced man-machine load.
Drawings
Fig. 1 is the utility model discloses structure and sub vehicle frame assembly relation sketch map.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the structure of the slide plate.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 3, a guarantee sub vehicle frame homonymy each installation face opposite face profile tolerance's machine tooling anchor clamps, including mounting panel 1, the fixed slide rail 11 that is provided with on mounting panel 1, actuating mechanism 12, slide 2 slides through slide rail 11 and sets up in the top of mounting panel 1, slide 2 can slide on slide rail 11 under actuating mechanism 12's drive, pre-positioning subassembly, the location compresses tightly the subassembly, supplementary supporting component and induction system distribute on slide 2 and mounting panel 1, and mutually support and realize the tight location of clamp to sub vehicle frame 7.
In the above embodiment, when the clamp is used, the air gun is firstly used for blowing clean each positioning and pressing assembly of the clamp. The operator aligns the two bushing holes of the subframe with the two pre-positioning pins and places the subframe bottom plane on the two pre-positioning bearings, thereby initially positioning the subframe on the slide. An operator starts a start button of the control equipment, a program is preset to control the hydraulic station to enable the first loop to be filled with oil, the inner pull oil cylinder pulls the sliding plate to move inwards until the sliding plate touches the limiting block, and after the action is finished, the primary positioning of the auxiliary frame on the positioning and pressing assembly is completed.
And simultaneously, controlling the hydraulic station through the equipment program again to enable the second loop to be filled with oil, enabling the mechanical self-locking hydraulic cylinder to drive the movable supporting head to extend out and form a positioning surface with other three fixed positioning supports, after the movable supporting head extends out, enabling the pressure of an oil inlet of the mechanical self-locking hydraulic cylinder to rise to a certain degree, enabling a second sequence valve communicated with an inlet of the mechanical self-locking hydraulic cylinder to sense set rated pressure, and then opening the second sequence valve to enable four hydraulic cylinders of the jacking device connected with an oil outlet of the second sequence valve to be filled with oil, wherein the jacking device is driven by the hydraulic cylinder, and enables the four jacking devices to upwards jack the auxiliary frame on the four positioning supports, and guide pins are designed at the end parts of the jacking device, so that a workpiece can be prevented from shifting in the jacking process, and at the moment.
The hydraulic station is controlled by a program of equipment to enable the oil to flow through the third loop, the auxiliary supporting device is enabled to be ejected out to the bottom of the suspended surface to be processed through the hydraulic cylinder, after the auxiliary supporting device supports a workpiece, the pressure of an oil inlet of the hydraulic cylinder of the auxiliary supporting device rises to a certain degree, the first sequence valve communicated with an inlet of the auxiliary supporting device is enabled to be communicated after sensing the set rated pressure, the hydraulic cylinder of the auxiliary pressing device connected with an oil outlet of the first sequence valve is enabled to flow through the oil, a pressing plate on the auxiliary pressing device is enabled to be rotationally pressed beside the suspended auxiliary frame surface to be processed, and therefore the situation that the suspended surface to be processed shakes to cause tool shake and size out-of-tolerance in the processing process.
And (3) controlling each cutter by a program of equipment to process the auxiliary frame, after the processing is finished, reversing direction valves of a third loop and a second loop of the program control hydraulic station to loosen all hydraulic cylinders and release the clamp on the pre-positioning assembly, reversing a direction valve of a 1 st loop of the program control hydraulic station to withdraw the sliding plate by the inner pull oil cylinder, and taking down the processed auxiliary frame by an operator to finish the operation.
The device can effectively improve the dimensional accuracy between each machined surface and the non-machined surface on the same side of the auxiliary frame, and reduce the assembly deformation of corresponding assembly parts. The number of the processing surfaces of the auxiliary frame can be reduced, the beat is promoted, and the cost of raw materials is reduced. The upward jacking stroke can be shortened, and the risks of workpiece displacement and pin clamping in the clamping process are effectively reduced. The actions of operators can be reduced, and the whole clamping is more labor-saving.
The foregoing has described in detail preferred embodiments of the present invention. It should be understood that many modifications and variations can be made by those skilled in the art without inventive faculty, and therefore, all technical solutions which can be obtained by a person skilled in the art based on the present invention through logic analysis, reasoning or limited experiments based on the prior art are intended to be within the scope of protection defined by the claims.
Claims (10)
1. The utility model provides a guarantee sub vehicle frame homonymy each installation face opposite side profile tolerance's machine tooling anchor clamps, includes mounting panel (1), its characterized in that, mounting panel (1) on the fixed slide rail (11), actuating mechanism (12) that is provided with, slide (2) pass through slide rail (11) slide and set up the top of mounting panel (1), slide (2) be in can under actuating mechanism's (12) drive slide rail (11) go up the slip, prepositioning subassembly, location compress tightly subassembly, auxiliary stay subassembly and induction system distribute and be in slide (2) and mounting panel (1) on to mutually support and realize the tight location of clamp to sub vehicle frame (7).
2. The machining fixture for ensuring the profile degree of each opposite surface of each installation surface on the same side of the subframe as in claim 1, wherein wing-shaped parts (21) are integrally and symmetrically arranged on two sides of the front end of the sliding plate (2).
3. The machining fixture for ensuring the profile degree of each mounting surface on the same side of the subframe as the claim 2 is characterized in that the pre-positioning assembly comprises pre-positioning pins (31), pre-positioning supports (32) and limit blocks (33), the pre-positioning pins (31) are symmetrically arranged on the wing-shaped portions (21), the pre-positioning supports (32) are fixedly arranged on the sliding plate (2) and are positioned at the rear end of the sliding plate (2), and the limit blocks (33) are fixed on the mounting plate (1) and are arranged opposite to the rear end of the sliding plate (2) and used for assisting in blocking the sliding stroke of the sliding plate (2).
4. The machining fixture for ensuring the profile degree of each mounting surface on the same side of the subframe has the following advantages in claim 1, wherein the driving mechanism (12) is an internal-pulling oil cylinder.
5. A machining fixture for ensuring the profile of each mounting surface on the same side of a subframe according to claim 2, wherein the positioning and pressing assembly comprises positioning supports and tightening devices (43), the positioning supports are fixedly arranged on the mounting plates (1) on both sides of the sliding plate (2), and the tightening devices (43) are fixed on the mounting plates (1) and are matched with the arrangement positions and the arrangement number of the positioning supports.
6. A machining fixture for ensuring the profile degree of each mounting surface on the same side of a subframe according to claim 5, wherein the positioning supports comprise 1 movable positioning support and 3 fixed positioning supports.
7. A machining fixture for ensuring the profile degree of opposite surfaces of mounting surfaces on the same side of a subframe, as claimed in claim 6, wherein the movable positioning support comprises a first L-shaped bracket (41) and a movable supporting head (411) with a mechanical self-locking hydraulic cylinder, and the fixed positioning support comprises a second L-shaped bracket (42) and a fixed supporting head (421).
8. A machining fixture for ensuring the profile of the opposite surfaces of the mounting surfaces on the same side of a subframe according to claim 1, characterized in that the sensing device comprises a first sequence valve (61) fixedly arranged on the sliding plate (2) and a second sequence valve (62) fixedly arranged on the mounting plate (1).
9. A machining jig for ensuring the profile of each mounting surface on the same side of a subframe according to claim 1, characterized in that the auxiliary support assembly comprises an auxiliary support device (51) and an auxiliary pressing device (52) both arranged on the sliding plate (2).
10. A machining jig for ensuring the profile of each mounting surface on the same side of a subframe according to claim 9 wherein said auxiliary support means (51) and said auxiliary hold down means (52) are both hydraulic cylinder driven.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808670.4U CN210452414U (en) | 2019-05-31 | 2019-05-31 | Machining clamp for ensuring profile degree of opposite surfaces of mounting surfaces on same side of auxiliary frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920808670.4U CN210452414U (en) | 2019-05-31 | 2019-05-31 | Machining clamp for ensuring profile degree of opposite surfaces of mounting surfaces on same side of auxiliary frame |
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| Publication Number | Publication Date |
|---|---|
| CN210452414U true CN210452414U (en) | 2020-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920808670.4U Active CN210452414U (en) | 2019-05-31 | 2019-05-31 | Machining clamp for ensuring profile degree of opposite surfaces of mounting surfaces on same side of auxiliary frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210452414U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464367A (en) * | 2022-09-16 | 2022-12-13 | 广东文灿压铸科技有限公司 | Low-voltage ERG air outlet pipe assembly press-fitting machine |
-
2019
- 2019-05-31 CN CN201920808670.4U patent/CN210452414U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115464367A (en) * | 2022-09-16 | 2022-12-13 | 广东文灿压铸科技有限公司 | Low-voltage ERG air outlet pipe assembly press-fitting machine |
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