CN113579790A - Tool clamp for camshaft frame and use method - Google Patents
Tool clamp for camshaft frame and use method Download PDFInfo
- Publication number
- CN113579790A CN113579790A CN202110835532.7A CN202110835532A CN113579790A CN 113579790 A CN113579790 A CN 113579790A CN 202110835532 A CN202110835532 A CN 202110835532A CN 113579790 A CN113579790 A CN 113579790A
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- shell
- camshaft frame
- pressing
- positioning
- supporting
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- 238000000034 method Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 230000006835 compression Effects 0.000 claims abstract description 10
- 238000007906 compression Methods 0.000 claims abstract description 10
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
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- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a tool clamp of a camshaft frame, which comprises a foundation plate, an elastic conical positioning column, a supporting and pressing integrated mechanism and a hole type elastic auxiliary supporting device, wherein the elastic conical positioning column, the supporting and pressing integrated mechanism and the hole type elastic auxiliary supporting device are arranged on the foundation plate; the elastic conical positioning column is used for positioning the camshaft frame and is coaxial with the positioning hole of the camshaft frame; a support and compression integrated mechanism which supports and compresses the camshaft frame; the hole type elastic auxiliary supporting device is arranged below the circular holes at two ends of the camshaft frame, which are provided with one process pressure point side, and is coaxial with the circular holes; the cam shaft frame is only required to be placed into the clamp to be pressed tightly, other manual adjustment is not required, the precision is stable and reliable, the working efficiency is high, and the operation is convenient and fast.
Description
Technical Field
The invention relates to a tool clamp technology, in particular to a tool clamp of a camshaft frame and a using method thereof.
Background
Today, the automobile is developed at a high speed, the automobile is replaced more and more quickly, parts needing to be developed are more and more, a camshaft frame is one of the parts, the camshaft frame belongs to a thin-wall structure part and is made of aluminum alloy, and three technological platforms are cast as clamping pressure points and are respectively positioned at the positions shown in figure 1. The tooling clamp of the camshaft frame in the prior art is built by a combined clamp, positioning holes of the camshaft frame are aligned with conical positioning pins and are placed into the combined clamp, three process tables are arranged on three support tables, a supporting block is provided with a pressure plate, a workpiece is pressed by the pressure plate, attention needs to be paid to the area and the angle of the pressure plate pressed on the process tables to prevent clamping deformation, two movable threaded jacks are supported below through holes at two ends of one process table side in an auxiliary mode, the two process tables are seriously vibrated when the rigidity difference is processed, each piece needs to be manually screwed, the requirement on the supporting force is strict, the supporting force is large, the workpiece deformation flatness is poor, the workpiece cannot play a supporting role, the surface quality of the processed workpiece is poor, the depth cannot be processed at one time when the hole at the supporting position is processed, the jacks and the cutter interfere with each other to process, so that the steps of clamping the workpiece by operators are complicated and have many cautions, the working efficiency is low, and the processing precision is unstable.
Disclosure of Invention
The invention aims to provide a tool clamp for a camshaft frame, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a tool clamp of a camshaft frame comprises a foundation plate, a positioning column, a supporting and pressing integrated mechanism and an auxiliary supporting device, wherein the positioning column, the supporting and pressing integrated mechanism and the auxiliary supporting device are arranged on the foundation plate; the positioning column is used for positioning the camshaft frame and is coaxial with the positioning hole of the camshaft frame; the supporting and pressing integrated mechanism supports and presses the camshaft frame; the auxiliary supporting device is arranged below the round holes at two ends of the camshaft frame, which are provided with a process pressure point side, and is coaxial with the round holes.
Further, the positioning column comprises a first shell and a positioning pin; the bottom of the first shell is provided with a through hole for fixedly connecting with a foundation plate, the lower part of the positioning pin is arranged in the first shell, and the upper part of the positioning pin is used for positioning a camshaft frame; the number of the positioning columns is at least two.
Further, the positioning column comprises a first spring, the first spring is installed on the lower portion of the positioning pin, and the positioning pin can move up and down by extruding the first spring.
Further, the top end of the positioning pin is conical.
Further, the supporting and pressing integrated mechanism comprises a second shell, a pressing device, a gasket, a nut and a bolt; the bottom of the second shell is provided with a through hole for fixedly connecting with the foundation plate, a supporting table for supporting a workpiece is arranged in the middle of the second shell, and a pressing block for pressing the workpiece is arranged on the upper part of the pressing device and clamps the workpiece with the supporting table of the second shell; a through hole is formed in the compressing device, a bolt is arranged in the through hole, a gasket and a nut are arranged at the top of the bolt, and the compressing device is compressed by screwing the nut; the supporting and pressing integrated mechanism is at least three.
Furthermore, the top of the second shell is provided with a limiting opening which can restrict the position of the pressing device when the pressing device is pressed and released, and the position limited when the pressing device is released is convenient for assembling and disassembling the camshaft frame.
Further, the support and compression integrated mechanism comprises a second spring, and the second spring ensures that the compression device can be bounced off the upper surface of the process table of the camshaft frame when the compression device is released.
Further, the auxiliary supporting device comprises a third shell and a supporting rod; third shell bottom is provided with the through-hole and is used for the fixed connection with the foundatin plate, the bracing piece lower part is installed in the third shell, and the top of bracing piece is provided with the hole, and the diameter is greater than the processing diameter in support position hole.
Further, the auxiliary supporting means includes a third spring, and the supporting rod is movable up and down by pressing the third spring.
Further, the use method of the tool clamp of the camshaft frame comprises the following steps: firstly, rotating the pressing device to a loading and unloading movable side of a limiting opening of the second shell, wherein a pressing block on the upper part of the pressing device is far away from a supporting table side of the second shell; secondly, placing the variable camshaft frame into a fixture along a positioning direction, and placing a positioning hole into the fixture in alignment with the elastic conical positioning column; and thirdly, rotating the pressing device to a limit opening of the second shell to press one side of the second shell, wherein a pressing block on the upper part of the pressing device is positioned right above a supporting table of the second shell, and screwing a nut to finish the clamping of the camshaft frame.
Compared with the prior art, the invention has the beneficial effects that: the cam shaft frame is positioned by using the two elastic conical positioning columns, the three supporting and pressing integrated mechanisms support and press the cam shaft frame, the two hole type elastic auxiliary supporting devices increase the rigidity of a local area and cannot generate elastic deformation, and the problems that in the prior art, the cam shaft frame is rigidly contacted and positioned by two conical pins, but the casting sizes of the positioning holes are inconsistent and the positioning holes are positioned or loosened or tightened are solved, the auxiliary supporting is that a screw jack is rigidly contacted with the cam shaft frame, each part needs to be manually adjusted, and the operation is complicated. The cam shaft frame is only required to be placed into the clamp for pressing, other manual adjustment is not needed, the precision is stable and reliable, the working efficiency is high, and the operation is convenient and fast.
Drawings
FIG. 1 is a schematic structural view of a camshaft frame of the background art;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a schematic view of the camshaft frame after clamping;
FIG. 4 is a schematic view of a resilient tapered locating post of the present invention;
FIG. 5 is a schematic view of the support and compression integrated mechanism of the present invention;
FIG. 6 is a schematic view of a hole-type elastic auxiliary supporting device according to the present invention;
labeled as:
1. a foundation plate; 2. a positioning column; 3. a supporting and pressing integrated mechanism; 4. an auxiliary support device; 5. a camshaft frame; 21. a first housing; 22. positioning pins; 23. a first spring; 31. a second housing; 32. a pressing device; 33. a gasket; 34. a nut; 35. a second spring; 36. a bolt; 41. a third housing; 42. a support bar; 43. a third spring;
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: as shown in fig. 2, a tool clamp for a camshaft frame comprises a base plate 1, a positioning column 2, a supporting and pressing integrated mechanism 3 and an auxiliary supporting device 4; the positioning column 2, the supporting and pressing integrated mechanism 3 and the auxiliary supporting device 4 are arranged on the foundation plate 1; as shown in fig. 3, preferably, two positioning columns 2 are selected for positioning the camshaft frame 5, and are coaxial with the positioning holes of the camshaft frame 5, and the two positioning columns 2 can ensure the positioning of the camshaft frame 5 to the minimum extent, so that the camshaft frame 5 cannot move on the base plate 1; preferably, three support and compression integrated mechanisms 3 are selected, and support and compress the camshaft frame 5, and in this embodiment, the three support and compression integrated mechanisms 3 are installed in a triangular position, so that the camshaft frame 5 can be stably fixed on the foundation plate 1, and the workpiece cannot shake during workpiece processing; preferably, in the present embodiment, two auxiliary supporting devices 4 are provided, which are disposed below the circular holes of both ends of the camshaft frame 5 on the side having one process pressure point, coaxially with the circular holes.
As shown in fig. 4, the positioning column 2 includes a first housing 21 and a positioning pin 22; the bottom of the first shell 21 is provided with a through hole for fixedly connecting with the foundation plate 1, the lower part of the positioning pin 22 is arranged in the first shell 21, and the upper part of the positioning pin is used for positioning the camshaft frame 5; when the positioning pin 22 is inserted into the positioning hole and fits into the positioning hole, the positioning of the workpiece is completed.
Further, a first spring 23 is arranged inside the positioning column 2, the first spring 23 is installed at the lower part of the positioning pin 22, and the positioning pin 22 can move up and down by pressing the first spring 23.
Preferably, the top end of the positioning pin 22 is conical, and the conical head of the positioning pin 22 can fit positioning holes with different sizes due to the upward elastic force of the first spring 23, so that the problem of positioning of workpiece positioning holes with different sizes is solved, and the application is wider.
As shown in fig. 5, the supporting and pressing integrated mechanism 3 includes a second housing 31, a pressing device 32, a spacer 33, a nut 34, and a bolt 36; the bottom of the second shell 31 is provided with a through hole for fixedly connecting with the foundation plate 1, a supporting table for supporting a workpiece is arranged in the middle, a pressing block for pressing the workpiece is arranged on the upper part of the pressing device 32, preferably, the shapes of the supporting table and the pressing block on the upper part of the pressing device 32 are the same, and the position defined when the supporting table of the second shell 31 clamps the workpiece to press ensures that the pressing block on the upper part of the pressing device 32 and the supporting table on the middle position of the second shell 31 are overlapped from the top; the compressing device 32 is internally provided with a through hole, a bolt 36 is arranged in the through hole, the top of the bolt 36 is provided with a gasket 33 and a nut 34, and the compressing device 32 is compressed by screwing the nut 34.
The second housing 31 has a limit opening at the top, preferably about 90 °, which restricts the position of the hold-down device 32 during hold-down and release, which facilitates the mounting and dismounting of the camshaft frame 5.
Preferably, the support and hold-down integrated mechanism 3 includes a second spring 35, and the second spring 35 ensures that the hold-down device 32 can be sprung off the table upper surface of the camshaft frame 5 when the hold-down device 32 is released.
The auxiliary supporting device 4 comprises a third shell 41 and a supporting rod 42; third shell bottom 41 is provided with the through-hole and is used for the fixed connection with foundatin plate 1, the bracing piece 42 lower part is installed in third shell 41, and preferably, the top of bracing piece 42 is provided with the hole, and the diameter is greater than the processing diameter in support position hole, and the cutter can not take place to interfere with auxiliary stay and can once process the target in place when guaranteeing to process this hole.
As shown in fig. 6, it is preferable that the auxiliary supporting means 4 includes a third spring 43, and the supporting rod 42 is movable up and down by pressing the third spring 43.
The method of use of this example is as follows:
firstly, rotating the pressing device 32 to a limit opening of the second shell 31 for loading and unloading a movable side, namely a pressing block on the upper part of the pressing device 32 is far away from a supporting table side of the second shell 31;
secondly, placing the variable camshaft frame 5 into a fixture along a positioning direction, and placing a positioning hole in alignment with the elastic conical positioning column 2;
thirdly, the pressing device 32 is rotated to the limit opening of the second shell 31 to press one side, namely, a pressing block on the upper part of the pressing device 32 is positioned right above a supporting table of the second shell 31, the nut 34 is screwed, and the camshaft frame 5 is completely clamped.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a camshaft frame's frock clamp, includes foundatin plate (1), reference column (2), supports compresses tightly integrative mechanism (3) and auxiliary stay device (4), its characterized in that: the positioning column (2), the supporting and pressing integrated mechanism (3) and the auxiliary supporting device (4) are arranged on the foundation plate (1); the positioning column (2) is used for positioning the camshaft frame (5) and is coaxial with the positioning hole of the camshaft frame (5); the supporting and pressing integrated mechanism (3) supports and presses the camshaft frame (5); the auxiliary supporting device (4) is arranged below the circular holes at two ends of the camshaft frame (5) with one process pressure point side and is coaxial with the circular holes.
2. The tool clamp for the camshaft frame as claimed in claim 1, wherein: the positioning column (2) comprises a first shell (21) and a positioning pin (22); the bottom of the first shell (21) is provided with a through hole for fixedly connecting with the foundation plate (1), the lower part of the positioning pin (22) is arranged in the first shell (21), and the upper part of the positioning pin is used for positioning the camshaft frame (5); the number of the positioning columns (2) is at least two.
3. The tool clamp for the camshaft frame as claimed in claim 2, wherein: the positioning column (2) comprises a first spring (23), the first spring (23) is installed on the lower portion of the positioning pin (22), and the positioning pin (22) can move up and down by extruding the first spring (23).
4. A tool holder for a camshaft frame as claimed in claim 2 or 3, wherein: the top end of the positioning pin (22) is conical.
5. The tool clamp for the camshaft frame as claimed in claim 1, wherein: the supporting and pressing integrated mechanism (3) comprises a second shell (31), a pressing device (32), a gasket (33), a nut (34) and a bolt (36); the bottom of the second shell (31) is provided with a through hole for fixedly connecting with the foundation plate (1), a supporting table for supporting a workpiece is arranged in the middle of the second shell, and a pressing block for pressing the workpiece is arranged on the upper part of the pressing device (32) and clamps the workpiece with the supporting table of the second shell (31); a through hole is formed in the pressing device (32), a bolt (36) is arranged in the through hole, a gasket (33) and a nut (34) are arranged at the top of the bolt (36), and at least three supporting and pressing integrated mechanisms (3) of the pressing device (32) are pressed by screwing the nut (34).
6. The tool clamp for the camshaft frame as claimed in claim 5, wherein: the top of the second shell (31) is provided with a limiting opening which can restrict the position of the pressing device (32) during pressing and releasing, and the limiting position during releasing is convenient for assembling and disassembling the camshaft frame (5).
7. The tool clamp for the camshaft frame as claimed in claim 5, wherein: the support and compression integrated mechanism (3) comprises a second spring (35), and the second spring (35) ensures that the compression device (32) can be ejected away from the upper surface of the process table of the camshaft frame (5) when the compression device (32) is released.
8. The tool clamp for the camshaft frame as claimed in claim 1, wherein: the auxiliary supporting device (4) comprises a third shell (41) and a supporting rod (42); the third shell is provided with the through-hole at the bottom of (41) portion and is used for the fixed connection with foundatin plate (1), install in third shell (41) bracing piece (42) lower part, the top of bracing piece (42) is provided with the hole, and the diameter is greater than the processing diameter in support position hole.
9. The tool clamp for the camshaft frame as claimed in claim 8, wherein: the auxiliary supporting device (4) comprises a third spring (43), and the supporting rod (42) can move up and down by pressing the third spring (43).
10. The use method of the tool holder for the camshaft frame as claimed in any one of claims 1 to 9, wherein: firstly, rotating a pressing device (32) to a loading and unloading side of a limit opening of a second shell (31), namely, a pressing block on the upper part of the pressing device (32) is far away from a supporting table side of the second shell (31); secondly, placing the variable camshaft frame (5) into a fixture along a positioning direction, and placing the positioning hole into the elastic conical positioning column (2) in alignment; and thirdly, rotating the pressing device (32) to a limit opening of the second shell (31) to press one side, wherein a pressing block on the upper part of the pressing device (32) is positioned right above a supporting table of the second shell (31), screwing a nut (34), and finishing clamping the camshaft frame (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835532.7A CN113579790A (en) | 2021-07-23 | 2021-07-23 | Tool clamp for camshaft frame and use method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110835532.7A CN113579790A (en) | 2021-07-23 | 2021-07-23 | Tool clamp for camshaft frame and use method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113579790A true CN113579790A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110835532.7A Pending CN113579790A (en) | 2021-07-23 | 2021-07-23 | Tool clamp for camshaft frame and use method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113579790A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654278A (en) * | 2022-05-24 | 2022-06-24 | 成都航利航空科技有限责任公司 | Machining tool and machining method for aero-engine adjusting sheet |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490037A (en) * | 2011-12-05 | 2012-06-13 | 成都恒高机械电子有限公司 | Mechanical processing positioning device |
| CN210335220U (en) * | 2019-05-27 | 2020-04-17 | 苏州昱艺鑫电子有限公司 | Motor cover positioning and processing clamp |
| CN111941117A (en) * | 2020-08-28 | 2020-11-17 | 安徽合力股份有限公司 | Brake drum positioning fixture |
| CN111941110A (en) * | 2020-07-09 | 2020-11-17 | 中国第一汽车股份有限公司 | Machining and positioning clamp for transmission side cover and using method |
| CN213135902U (en) * | 2020-08-28 | 2021-05-07 | 安徽合力股份有限公司 | Brake drum positioning fixture |
-
2021
- 2021-07-23 CN CN202110835532.7A patent/CN113579790A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102490037A (en) * | 2011-12-05 | 2012-06-13 | 成都恒高机械电子有限公司 | Mechanical processing positioning device |
| CN210335220U (en) * | 2019-05-27 | 2020-04-17 | 苏州昱艺鑫电子有限公司 | Motor cover positioning and processing clamp |
| CN111941110A (en) * | 2020-07-09 | 2020-11-17 | 中国第一汽车股份有限公司 | Machining and positioning clamp for transmission side cover and using method |
| CN111941117A (en) * | 2020-08-28 | 2020-11-17 | 安徽合力股份有限公司 | Brake drum positioning fixture |
| CN213135902U (en) * | 2020-08-28 | 2021-05-07 | 安徽合力股份有限公司 | Brake drum positioning fixture |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114654278A (en) * | 2022-05-24 | 2022-06-24 | 成都航利航空科技有限责任公司 | Machining tool and machining method for aero-engine adjusting sheet |
| CN114654278B (en) * | 2022-05-24 | 2022-09-06 | 成都航利航空科技有限责任公司 | Machining tool and machining method for aero-engine adjusting sheet |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211102 |
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| RJ01 | Rejection of invention patent application after publication |