CN113732739A - Hydraulic positioning clamp for preorder processing of protective support - Google Patents
Hydraulic positioning clamp for preorder processing of protective support Download PDFInfo
- Publication number
- CN113732739A CN113732739A CN202111110710.6A CN202111110710A CN113732739A CN 113732739 A CN113732739 A CN 113732739A CN 202111110710 A CN202111110710 A CN 202111110710A CN 113732739 A CN113732739 A CN 113732739A
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- Prior art keywords
- hydraulic
- positioning
- hinged
- clamping
- bottom plate
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- 238000012545 processing Methods 0.000 title claims abstract description 24
- 230000001681 protective effect Effects 0.000 title claims abstract description 22
- 238000007667 floating Methods 0.000 claims abstract description 27
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 23
- 239000003921 oil Substances 0.000 claims description 19
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 2
- 238000010791 quenching Methods 0.000 claims description 2
- 230000000171 quenching effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000003825 pressing Methods 0.000 description 5
- 230000035882 stress Effects 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010330 laser marking Methods 0.000 description 1
- 238000004643 material aging Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
Abstract
The invention discloses a hydraulic positioning clamp for preorder processing of a protective support, which comprises a bottom plate, a plurality of hydraulic clamping units, a plurality of floating supports arranged below suspended parts of workpieces and a plurality of point positioning units for positioning the workpieces, wherein the floating supports are fixed on the bottom plate; the hydraulic clamping unit comprises a hydraulic oil cylinder fixed on the bottom plate, a hinged plate and a clamping block positioned above the workpiece, one end of the hinged plate is hinged with the cylinder body of the hydraulic oil cylinder, the other end of the hinged plate is hinged with the middle part of the clamping block, and the tail end of the clamping block is hinged with a push rod of the hydraulic oil cylinder; the point positioning unit comprises a positioning adjusting bolt fixed on the positioning column and connected with the upper part of the positioning column in a threaded manner. According to the hydraulic automatic clamping device, the labor intensity of operators is reduced through hydraulic automatic clamping, the production efficiency is improved, and meanwhile, the later-stage clamp maintenance is facilitated.
Description
Technical Field
The invention relates to the field of production and processing of automobile parts, in particular to a preorder processing tool for a front lower protective support of a chassis of a commercial vehicle.
Background
The front lower protective support is an important component for connecting a commercial vehicle frame with a bumper, a water tank radiator, a vehicle body suspension, a steering engine support and the like, and the product quality directly influences the assembly quality of the vehicle frame and each component.
Among the prior art, preceding protection support under adopts the panel welding integrative usually, personnel's manual clamping mode production and processing, but because of preceding protection support product structure is complicated under, the wall is thin and yielding, there is the location inaccurate, operating personnel presss from both sides the inconsistent fixed insecure scheduling problem of tight strength to lead to product plane degree, straightness and hole site degree can't be guaranteed, make the processing of current preceding protection support under have the rejection rate height, operating personnel intensity of labour is big, whole production efficiency low scheduling problem.
Disclosure of Invention
Aiming at the problems in the related art, the invention provides a hydraulic positioning clamp for the preorder processing of a protective support, which aims to overcome the technical problems in the prior related art.
Therefore, the invention adopts the following specific technical scheme:
a hydraulic positioning fixture for the preorder processing of a protective support comprises: the device comprises a bottom plate, a plurality of hydraulic clamping units, a plurality of floating supports arranged below the suspended part of a workpiece and a plurality of point positioning units for positioning the workpiece;
the floating support is fixed on the bottom plate;
the hydraulic clamping unit comprises a hydraulic oil cylinder fixed on the bottom plate, a hinged plate and a clamping block positioned above the workpiece, one end of the hinged plate is hinged with the cylinder body of the hydraulic oil cylinder, the other end of the hinged plate is hinged with the middle part of the clamping block, and the tail end of the clamping block is hinged with a push rod of the hydraulic oil cylinder;
the point positioning unit comprises a positioning adjusting bolt fixed on the positioning column and connected with the upper part of the positioning column in a threaded manner.
Preferably, the pressing moment of the hydraulic oil cylinder is 1.5 times of the maximum stress of the workpiece during processing.
Preferably, the number of the hydraulic clamping units is three, and the number of the point positioning units is three.
Preferably, the front end of the clamping block is processed by a quenching process.
Preferably, the floating support is provided with four places.
Preferably, the positioning and adjusting bolt is a 12.9-grade full-wire wear-resistant bolt.
Preferably, two equal-height mounting seats are arranged on two sides of the bottom surface of the bottom plate.
Preferably, the floating support is a hydraulic floating support.
Preferably, an inner oil way communicated with the hydraulic oil cylinder and the hydraulic floating support is arranged in the bottom plate.
Preferably, the bottom plate is also provided with a quick-change connector for communicating the oil pipe of the hydraulic station with the inner oil way.
Compared with the prior art, the invention has the beneficial effects that:
the invention meets the flatness, the pin hole position/verticality and the through-pin hole position of the front lower protective support, ensures the accurate position between the appearance outline and the processing hole, has the yield of 100 percent, improves the clamping speed by more than 10 times compared with the manual clamping, and has the characteristics of one-key clamping operation, greatly reduced labor intensity of personnel, convenient tool maintenance and the like.
According to the invention, a hydraulic automatic pressing mode, three-point adjustable angular positioning, a three-point principle are utilized to determine plane positioning, a hydraulic floating support hanging part, a plane positioning point and a clamping point are synchronous, so that the accurate positioning of a product and a clamping mode without clamping deformation are realized; meanwhile, the tool is strong in universality, clamping positioning points are replaced, and the processing of various protective supports can be met.
In conclusion, the invention adopts a hydraulic tool automatic clamping mode, ensures consistent force, is firm in clamping, is operated by one key in clamping, and adopts a built-in oil way to avoid the problems of oil leakage, insufficient pressure and the like in later use; three-point adjustable positioning can realize quick and accurate adjustment of blanks of different manufacturers and different batches; the plane is positioned in a mode of determining one plane by three points, and the clamping part is positioned right above the positioning point, so that elastic deformation caused by over-positioning and pressing of the suspended part is avoided.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic view of a hydraulic positioning clamp for the preorder processing of a protective support in a clamping state according to an embodiment of the application;
FIG. 2 is a schematic structural diagram of a hydraulic positioning fixture for the fore machining of a protective support according to an embodiment of the present application;
FIG. 3 is a front view of FIG. 2;
fig. 4 is a top view of fig. 2.
Detailed Description
For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.
In the description of the present invention, it should be noted that the structures, ratios, sizes, and the like shown in the drawings attached to the present specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical essence, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the technical disclosure of the present invention without affecting the function and the achievable purpose of the present invention. While the terms "central," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like refer to orientations and positional relationships illustrated in the drawings, which are used for convenience in describing the invention and to simplify the description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered limiting of the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
Description of reference numerals: the device comprises a base plate 1, an equal-height mounting base 2, a quick-change connector 3, a hydraulic oil cylinder 4, a clamping block 5, a positioning column 6, a positioning adjusting bolt 7, a floating support 8, a top block 9, a workpiece 10 and an inner oil way 11.
As shown in fig. 1-4, the present embodiment discloses a hydraulic positioning fixture for the preamble processing of a protective support, which includes: the device comprises a bottom plate 1, a plurality of hydraulic clamping units, a plurality of floating supports 8 arranged below the suspended part of a workpiece 10 and a plurality of point positioning units for positioning the workpiece 10, wherein the bottom plate 1 is made of 45# steel, and the flatness of the bottom plate is guaranteed to be less than or equal to 0.03MM through artificial aging treatment;
the floating support 8 is fixed on the bottom plate 1, and a top block 9 for supporting a workpiece 10 is arranged on the floating support 8;
the hydraulic clamping unit comprises a hydraulic oil cylinder 4 fixed on the bottom plate 1, a hinged plate and a clamping block 5 positioned above the workpiece 10, one end of the hinged plate is hinged with the cylinder body of the hydraulic oil cylinder 4, the other end of the hinged plate is hinged with the middle part of the clamping block 5, and the tail end of the clamping block 5 is hinged with a push rod of the hydraulic oil cylinder 4;
the point positioning unit comprises a positioning adjusting bolt 7 fixed on the positioning column 6 and connected with the upper part of the positioning column 6 in a threaded manner.
As shown in fig. 1 and 2, in at least one embodiment, three hydraulic clamping units are provided, three positioning modes of one surface are determined by using three points for plane positioning, three clamping blocks 5 are used, a hydraulic oil cylinder 4 is connected with a base by using screws, clamping deformation caused by over-positioning is prevented, the front end part of the clamping block 5, which is in contact with a workpiece 10, is quenched by 42-45HRC, the service life is prolonged, a similar product can be quickly replaced and adjusted by adjusting a spare gasket according to different height differences, the general type of the tool is enhanced, a hydraulic oil cylinder 4 is adopted as a compression part, the compression torque of the hydraulic oil cylinder 4 is 1.5 times of the maximum stress of product processing, the compression part is right above a supporting positioning point, and elastic deformation caused by compression of a suspended part is avoided; hydraulic cylinder 4 passes through the bolt and installs on the base, and base and bottom plate 1 adopt the pin location, and the bolt locking makes things convenient for later stage extension processing similar product, promotes the compatibility of frock.
In at least one embodiment, the floating support 8 is provided with four positions, the processed product has large appearance, irregular structure and thin wall, the original manual tool has no floating support 8, and is very easy to deform and resonate after the stress of the suspended position of the processed product, the existing design scheme is that four hydraulic floating supports 8 are designed at the suspended flat position below the processed position, the floating supports 8 are in threaded connection with the support base part, the up-and-down adjustment is convenient, and the working sequence is that the floating supports 8 work 2 seconds after the three hydraulic pressing points are pressed.
As shown in fig. 3 and 4, in at least one embodiment, three point positioning units are provided, an original tool is positioned by using a welding plate, the contact area between the plate width 30-40MM and the workpiece 10 is too large, and the holes are deviated and scrapped due to inaccurate positioning because of different batches of manufacturers and blanks; the positioning adjusting bolt 7 is a 12.9-grade full-wire wear-resistant bolt, so that the service life of the bolt is prolonged.
In at least one embodiment, two equal-height installation seats 2 are arranged on two sides of the bottom surface of the bottom plate 1, and two equal-height installation seats 2 with the width of 100MM are arranged at two ends of the bottom plate 1, so that the contact mode of the floor and a machine tool workbench is changed from surface contact into line contact, and the stability of the clamp is enhanced.
In at least one embodiment, an inner oil path 11 communicated with a hydraulic oil cylinder 4 and a hydraulic floating support 8 is arranged in a base plate 1, the oil path of the tool is designed to be arranged in the base plate 1, the tool is processed by adopting a precise deep hole drilling technology, holes are formed in the base plate 1 and connected with the hydraulic oil cylinder 4, and an oil pipe and a joint do not leak outwards, so that the conditions that the pressure is insufficient, a product cannot be compressed, the maintenance is difficult and the like due to oil pipe breakage and oil leakage caused by factors such as material aging and artificial damage in later use are avoided; the bottom plate 1 is also provided with a quick-change connector 3 for communicating an oil pipe of the hydraulic station with the inner oil way 11, and the oil way hole description is marked by laser marking, so that the installation and adjustment are convenient.
When the hydraulic clamp is used, the oil passages of the hydraulic station and the clamp are connected, the knob switch arranged on machine tool equipment is turned on, at the moment, the three hydraulic oil cylinders 4 are loosened, the four floating supports 8 synchronously fall back, and the clamp is loosened and filled; adjusting a positioning adjusting bolt 7 on the point positioning unit in advance, putting a workpiece 10, closing a knob switch, working three clamping oil cylinders, pressing the workpiece 10, setting four floating supports 8 to work 2 seconds later through a delay switch, jacking and supporting the workpiece 10, and finishing product clamping.
While, for purposes of simplicity of explanation, the methodologies are shown and described as a series of acts, it is to be understood and appreciated that the methodologies are not limited by the order of acts, as some acts may, in accordance with one or more embodiments, occur in different orders and/or concurrently with other acts from that shown and described herein or not shown and described herein, as would be understood by one skilled in the art.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A hydraulic positioning clamp for the preorder processing of a protective support is characterized by comprising: the device comprises a bottom plate, a plurality of hydraulic clamping units, a plurality of floating supports arranged below the suspended part of a workpiece and a plurality of point positioning units for positioning the workpiece;
the floating support is fixed on the bottom plate;
the hydraulic clamping unit comprises a hydraulic oil cylinder fixed on the bottom plate, a hinged plate and a clamping block positioned above the workpiece, one end of the hinged plate is hinged with the cylinder body of the hydraulic oil cylinder, the other end of the hinged plate is hinged with the middle part of the clamping block, and the tail end of the clamping block is hinged with a push rod of the hydraulic oil cylinder;
the point positioning unit comprises a positioning adjusting bolt fixed on the positioning column and connected with the upper part of the positioning column in a threaded manner.
2. The hydraulic positioning fixture for the preorder machining of a protective support according to claim 1, wherein the compression torque of the hydraulic oil cylinder is 1.5 times of the maximum stress of the workpiece machining.
3. The hydraulic positioning fixture for the preoperative processing of the protective support according to claim 1, wherein the number of the hydraulic clamping units is three, and the number of the point positioning units is three.
4. The hydraulic positioning clamp for the preamble processing of the protective support according to any one of the claims 1 to 3, characterized in that the front end of the clamping block is processed by quenching process.
5. The hydraulic positioning fixture for the preamble processing of protective supports of claim 4, wherein the floating support is provided with four places.
6. The hydraulic positioning clamp for the preoperative processing of the protective supports according to any one of claims 1-3 or 5, wherein the positioning adjusting bolt is a 12.9-grade full-wire wear-resistant bolt.
7. The hydraulic positioning fixture for the preoperative processing of the protective support according to any one of claims 1-3 or 5, wherein two equal-height installation seats are arranged on two sides of the bottom surface of the bottom plate.
8. A hydraulic positioning fixture for the pre-machining of protective supports according to any one of claims 1-3 or 5, characterised in that the floating support is a hydraulic floating support.
9. The hydraulic positioning fixture for the preorder processing of a protective support according to claim 8, characterized in that an internal oil way communicated with the hydraulic oil cylinder and the hydraulic floating support is arranged in the bottom plate.
10. The hydraulic positioning fixture for the preorder processing of the protective support according to claim 9, wherein the base plate is further provided with a quick-change connector for communicating an oil pipe of the hydraulic station with an internal oil path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110710.6A CN113732739A (en) | 2021-09-18 | 2021-09-18 | Hydraulic positioning clamp for preorder processing of protective support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111110710.6A CN113732739A (en) | 2021-09-18 | 2021-09-18 | Hydraulic positioning clamp for preorder processing of protective support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113732739A true CN113732739A (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111110710.6A Pending CN113732739A (en) | 2021-09-18 | 2021-09-18 | Hydraulic positioning clamp for preorder processing of protective support |
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| Country | Link |
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| CN (1) | CN113732739A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203125158U (en) * | 2012-11-07 | 2013-08-14 | 滁州悦达实业有限公司 | Floating gripper hydraulic clamp for machining gear chamber |
| CN203831138U (en) * | 2014-04-02 | 2014-09-17 | 大连创新零部件制造公司 | Three-point centering hydraulic clamp for flywheel cover |
| EP3081338A1 (en) * | 2015-04-17 | 2016-10-19 | PHD, Inc. | Pin clamp with multi-thickness clamping feature |
| CN106112609A (en) * | 2015-08-19 | 2016-11-16 | 吉林省吉通机械制造有限责任公司 | Wheel stand special hydraulic clamp and clamping using method thereof |
| CN106141747A (en) * | 2015-06-10 | 2016-11-23 | 吉林省通用机械有限责任公司 | Knuckle protective voltage type special hydraulic clamp and clamping method thereof |
| CN108608385A (en) * | 2018-07-16 | 2018-10-02 | 十堰锦天汽车零部件有限公司 | A kind of engine support hydraulic tool |
| CN209425033U (en) * | 2018-12-31 | 2019-09-24 | 东风专用零部件有限公司 | A kind of automobile cab suspension turnover bracket clamp for machining |
| CN111113107A (en) * | 2020-01-10 | 2020-05-08 | 东莞市奇海实业有限公司 | Frock clamp and lathe |
| CN112792593A (en) * | 2020-07-09 | 2021-05-14 | 湖北丹江口志成铸造股份有限公司 | Hydraulic clamp for machining automobile protection support |
-
2021
- 2021-09-18 CN CN202111110710.6A patent/CN113732739A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203125158U (en) * | 2012-11-07 | 2013-08-14 | 滁州悦达实业有限公司 | Floating gripper hydraulic clamp for machining gear chamber |
| CN203831138U (en) * | 2014-04-02 | 2014-09-17 | 大连创新零部件制造公司 | Three-point centering hydraulic clamp for flywheel cover |
| EP3081338A1 (en) * | 2015-04-17 | 2016-10-19 | PHD, Inc. | Pin clamp with multi-thickness clamping feature |
| CN106141747A (en) * | 2015-06-10 | 2016-11-23 | 吉林省通用机械有限责任公司 | Knuckle protective voltage type special hydraulic clamp and clamping method thereof |
| CN106112609A (en) * | 2015-08-19 | 2016-11-16 | 吉林省吉通机械制造有限责任公司 | Wheel stand special hydraulic clamp and clamping using method thereof |
| CN108608385A (en) * | 2018-07-16 | 2018-10-02 | 十堰锦天汽车零部件有限公司 | A kind of engine support hydraulic tool |
| CN209425033U (en) * | 2018-12-31 | 2019-09-24 | 东风专用零部件有限公司 | A kind of automobile cab suspension turnover bracket clamp for machining |
| CN111113107A (en) * | 2020-01-10 | 2020-05-08 | 东莞市奇海实业有限公司 | Frock clamp and lathe |
| CN112792593A (en) * | 2020-07-09 | 2021-05-14 | 湖北丹江口志成铸造股份有限公司 | Hydraulic clamp for machining automobile protection support |
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| PB01 | Publication | ||
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Application publication date: 20211203 |