CN110948261A - Clamping device of car spare - Google Patents
Clamping device of car spare Download PDFInfo
- Publication number
- CN110948261A CN110948261A CN201911323526.2A CN201911323526A CN110948261A CN 110948261 A CN110948261 A CN 110948261A CN 201911323526 A CN201911323526 A CN 201911323526A CN 110948261 A CN110948261 A CN 110948261A
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- CN
- China
- Prior art keywords
- fastening
- base
- clamping device
- horizontal
- vertical hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 238000003825 pressing Methods 0.000 claims description 28
- 150000004767 nitrides Chemical class 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 2
- 238000005121 nitriding Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013016 damping Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000003466 welding Methods 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
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
A clamping device for automobile parts comprises a base and fastening devices, wherein the fastening devices are respectively arranged on two sides of the base, the fastening device comprises a fastening bolt, a fastening pressure plate and a fastening bracket, the bottom of the fastening bracket is arranged on the base, a horizontal articulated shaft is arranged at the top of the fastening bracket, the fastening bracket is connected with the fastening pressure plate through the horizontal articulated shaft, the inner end of the fastening pressure plate is downwards formed into a fastening part, the outer end of the fastening pressure plate is provided with a vertical hole, a fastening bolt penetrates through the vertical hole and abuts against the base, the fastening device pushes one end of the fastening pressure plate by utilizing acting force generated when the fastening bolt is screwed, under lever principle's effect, the portion of sticising pins required processing work piece firmly, is less than fastening bracket to fastening bolt's distance with the distance of sticising portion to fastening bracket simultaneously, has increased fastening bolt's application torque, has further increased the extrusion degree to the work piece.
Description
Technical Field
The invention belongs to the technical field of tool fixtures, and particularly relates to a clamping device for an automobile part.
Background
In the industrial aspect, machine tool machining products are often used, in the machining practice, a machine tool is usually used for quickly and accurately machining and producing a workpiece blank, a machine tool clamp is used for clamping a workpiece to machine the workpiece when the machine tool is used for machining the product, the type of machining is increased along with the continuous development of the industrial industry, the type of the clamp is increased along with the continuous development of the industrial industry, and therefore the requirement on the clamp is higher and higher.
Machine tool holders are common tools in the mechanical industry, and are also called fixtures which are used for fixing a machining object to enable the machining object to occupy a correct position in the mechanical manufacturing process so as to receive construction or detection.
In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, etc., of which machine tool jigs are the most common, often simply called jigs. When a workpiece is machined on a machine tool, in order to enable the surface of the workpiece to meet the technical requirements such as the size, the geometric shape and the mutual position precision with other surfaces specified in a drawing, the workpiece needs to be assembled (positioned) and clamped (clamped) before machining, and a clamp generally comprises a positioning element (determining the correct position of the workpiece in the clamp), a clamping device, a tool setting guide element (determining the relative position of a tool and the workpiece or guiding the direction of the tool), an indexing device (enabling the workpiece to complete machining of a plurality of stations in one-time installation, including a rotary indexing device and a linear movement indexing device), a connecting element, a clamp body (a clamp base) and the like.
The clamp types can be divided into:
1. universal clamp, such as vice, chuck, sucking disc, dividing head and rotary table, etc. has great versatility, can better adapt to the change of processing procedure and processing object, and has established structure, serialized size and specification, most of which become a standard accessory of machine tool.
2. The special fixture is specially designed and manufactured for the clamping requirement of a certain product part on a certain procedure, has a specific service object and strong pertinence, and is generally designed by a product manufacturer. Lathe jigs, milling machine jigs, drill jigs (machine tool jigs for guiding a tool to drill or ream a workpiece), boring jigs (machine tool jigs for guiding a boring bar to bore a workpiece), and pallet jigs (movable jigs for use on an automatic line of a combined machine tool) are commonly used.
3. Adjustable clamp, special clamp capable of replacing or adjusting element.
4. Modular fixtures, consisting of standardized elements of different shapes, specifications and uses, are suitable for single-piece, small-lot production and temporary tasks of trial production of new products and frequent replacement of products. In addition to vises, chucks, indexing heads and rotary tables, there is also a more common tool holder, generally speaking, when the term tool holder is used, most of the tool holders refer to tool holders.
Most machine tool clamps in the prior art are complex in structure, inconvenient to install and operate, occupy long time of operators and seriously affect the working efficiency.
Disclosure of Invention
Against this background, it is an object of the present invention to provide a clamping device for a vehicle part.
In order to achieve the above object, the present invention provides a clamping device for an automotive part, comprising a base and a fastening device, the fastening devices are arranged on the base and are respectively arranged on the two sides of the base, each fastening device comprises a fastening bolt, a fastening pressing plate and a fastening bracket, the bottom of the fastening bracket is arranged on the base, the top of the fastening bracket is provided with a horizontal articulated shaft, the fastening pressure plate is provided with a horizontal hole, the horizontal hole is vertical to the axial direction of the fastening pressure plate, the fastening bracket is connected with the fastening pressure plate through the matching of the horizontal articulated shaft and the horizontal hole, the inner end of the fastening pressure plate is downwards formed into a fastening part, the outer end of the fastening pressure plate is provided with a vertical hole, the vertical hole is provided with an internal thread, the fastening bolt is provided with an external thread matched with the internal thread of the vertical hole, penetrates through the vertical hole and abuts against the base, and the fastening bolt is matched with the internal thread of the vertical hole to fasten the fastening pressure plate.
In order to increase the compression degree of the fastening pressure plate on the workpiece to be processed, the horizontal distance from the horizontal hole to the vertical hole is larger than the horizontal distance from the horizontal hole to the compression part.
In order to reduce the vibration generated when the machine tool processes a workpiece to be processed, the bottom of the base is uniformly provided with a vibration-proof pad, the edge of the vibration-proof pad is flush with the edge of the base, and further, the vibration-proof pad is made of soft rubber.
In order to reduce the abrasion of a workpiece to be processed on a fastening pressing plate and prolong the service life of equipment, a nitriding layer is uniformly arranged on the surface of the fastening pressing part, and the thickness of the nitriding layer is 0.3-0.4 mm.
In order to make the fastening operation of the fastening bolt easier, the fastening bolt is provided at the top with screwing handles that are arranged in pairs and are centrosymmetric with respect to the fastening bolt axis.
The invention has the following beneficial effects: according to the clamping device for the automobile part, the fastening devices are uniformly arranged on the two sides of the base, the number of the fastening devices can be determined according to the size and the type of a workpiece to be machined, the fastening devices push one end of the fastening pressing plate by using acting force generated when the fastening bolts are screwed, the pressing part firmly locks the workpiece to be machined under the action of a lever principle, meanwhile, the distance from the pressing part to the fastening support is smaller than the distance from the fastening support to the fastening bolts, the acting torque of the fastening bolts is increased, the extrusion degree of the workpiece is further increased, the screwing handle is arranged at the top of the fastening bolts, the fastening bolts are simpler and more convenient to operate, the nitride layers are uniformly arranged on the surfaces of the pressing parts, the wear resistance of the pressing parts is improved, and the service life of equipment is prolonged.
Drawings
Fig. 1 is a schematic structural view of a clamping device for an automobile part according to the present invention.
Fig. 2 is a top view of a clamping device for the vehicle part shown in fig. 1.
Description of the drawings: 1-a base; 2-fastening bolts; 3-fastening a pressure plate; 4-fastening a bracket; 5-a horizontal articulated shaft; 6-horizontal hole; 7-a pressing part; 8-vertical holes; 9-a shock pad; 10-a nitride layer; 11-screwing handle.
Detailed Description
In order to make the technical solution of the present invention more apparent, the present invention is further described in detail with reference to the following examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Referring to the attached drawings 1 and 2, the clamping device for the automobile part comprises a base 1 and a fastening device, wherein the fastening device is arranged on the base 1, the fastening device is respectively arranged on two sides of the base 1, the fastening device comprises a fastening bolt 2, a fastening pressing plate 3 and a fastening bracket 4, the bottom of the fastening bracket 4 is arranged on the base 1, a horizontal hinged shaft 5 is arranged at the top of the fastening bracket 4, a horizontal hole 6 is formed in the fastening pressing plate 3, the horizontal hole 6 is perpendicular to the axial direction of the fastening pressing plate 3, the fastening bracket 4 is connected with the fastening pressing plate 3 through the matching of the horizontal hinged shaft 5 and the horizontal hole 6, a fastening part 7 is formed at the inner end of the fastening pressing plate 3 downwards, a vertical hole 8 is formed in the outer end of the fastening pressing plate 3, an internal thread is formed in the vertical hole 8, the fastening bolt 2 is provided with an external thread matched with the internal thread of the vertical hole 8, the fastening, the fastening bolt 2 fastens the fastening pressure plate 3 by the mating of the external thread and the internal thread of the vertical hole 8.
Preferably, in order to increase the compression of the fastening pressure plate 3 on the workpiece to be processed, the horizontal distance from the horizontal hole 6 to the vertical hole 8 is greater than the horizontal distance from the horizontal hole 6 to the compression part 7.
Preferably, in order to reduce the vibration generated when the machine tool processes a workpiece to be processed, the bottom of the base 1 is uniformly provided with the anti-vibration pads 9, the edges of the anti-vibration pads 9 are flush with the edges of the base 1, and further, in order to achieve the expected anti-vibration effect, the anti-vibration pads 9 are made of soft rubber.
Preferably, in order to reduce the abrasion of the workpiece to be processed on the fastening pressure plate 3 and prolong the service life of the equipment, the surface of the fastening pressure part 7 is uniformly provided with a nitrided layer 10, and the thickness of the nitrided layer 10 is 0.3-0.4 mm.
Preferably, in order to make the fastening operation of the fastening bolt 2 easier, the fastening bolt 2 is provided with a screwing handle 11 on the top, and the screwing handles 11 are arranged in pairs and are symmetrical with respect to the axis center of the fastening bolt 2.
The working process is as follows: when the clamping device for the automobile part is used, the bottom of the base 1 is provided with the proper rubber pad to achieve the damping effect, then the base 1 is arranged at the proper position of a machine tool, the number of the fastening devices is selected according to the size and the model of the workpiece to be machined, then the workpiece is fastened and clamped, the fastening bolt 2 is loosened firstly to lift the fastening bolt 7, the workpiece to be machined is placed on the base 1, the pressing part 7 is abutted against the edge of the workpiece, then the fastening bolt 2 is screwed in the opposite direction, the outer end of the fastening pressing plate 3 is moved upwards, so that the pressing part 7 moves downwards and tightly presses the workpiece to be machined, the operation of other fastening devices is completed according to the flow, and the clamping of the workpiece to be machined is completed.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (6)
1. A clamping device for automobile parts comprises a base (1) and a fastening device, wherein the fastening device is arranged on the base (1), the fastening device is respectively arranged at two sides of the base (1), and the clamping device is characterized in that the fastening device comprises a fastening bolt (2), a fastening pressing plate (3) and a fastening support (4), the bottom of the fastening support (4) is arranged on the base (1), a horizontal hinged shaft (5) is arranged at the top of the fastening support (4), a horizontal hole (6) is formed in the fastening pressing plate (3), the horizontal hole (6) is perpendicular to the axis direction of the fastening pressing plate (3), the fastening support (4) is connected with the fastening pressing plate (3) through the matching of the horizontal hinged shaft (5) and the horizontal hole (6), a fastening pressing part (7) is formed downwards at the inner end of the fastening pressing plate (3), a vertical hole (8) is formed at the outer end of the fastening pressing, the vertical hole (8) is provided with an internal thread, the fastening bolt (2) is provided with an external thread matched with the internal thread of the vertical hole (8), the fastening bolt (2) penetrates through the vertical hole (8) and abuts against the base (1), and the fastening bolt (2) is matched with the internal thread of the vertical hole (8) through the external thread to fasten the fastening pressing plate (3).
2. The clamping device for automobile parts according to claim 1, characterized in that the horizontal distance from the horizontal hole (6) to the vertical hole (8) is greater than the horizontal distance from the horizontal hole (6) to the pressing part (7).
3. The clamping device for the automobile parts is characterized in that shock-proof pads (9) are uniformly arranged at the bottom of the base (1), and the edges of the shock-proof pads (9) are flush with the edges of the base (1).
4. The clamping device for automobile parts as claimed in claim 3, wherein the shock pad (9) is made of soft rubber.
5. The clamping device for the automobile parts as claimed in any one of claims 1 to 3, wherein a nitride layer (10) is uniformly arranged on the surface of the pressing portion (7), and the thickness of the nitride layer (10) is 0.3-0.4 mm.
6. The clamping device for the automobile parts according to claim 1, characterized in that the top of the fastening bolt (2) is provided with a screwing handle (11), and the screwing handles (11) are symmetrical relative to the axis center of the fastening bolt (2) and are arranged in pairs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323526.2A CN110948261A (en) | 2019-12-20 | 2019-12-20 | Clamping device of car spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911323526.2A CN110948261A (en) | 2019-12-20 | 2019-12-20 | Clamping device of car spare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110948261A true CN110948261A (en) | 2020-04-03 |
Family
ID=69983070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911323526.2A Pending CN110948261A (en) | 2019-12-20 | 2019-12-20 | Clamping device of car spare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110948261A (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205927945U (en) * | 2016-07-29 | 2017-02-08 | 天津市久跃科技有限公司 | Car spare frock of punching |
| CN209565828U (en) * | 2019-02-26 | 2019-11-01 | 江弥峰 | A kind of novel lathe fixture easy to operate |
-
2019
- 2019-12-20 CN CN201911323526.2A patent/CN110948261A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN205927945U (en) * | 2016-07-29 | 2017-02-08 | 天津市久跃科技有限公司 | Car spare frock of punching |
| CN209565828U (en) * | 2019-02-26 | 2019-11-01 | 江弥峰 | A kind of novel lathe fixture easy to operate |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200403 |
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| WD01 | Invention patent application deemed withdrawn after publication |