CN218310926U - Novel camshaft anchor clamps - Google Patents
Novel camshaft anchor clamps Download PDFInfo
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- CN218310926U CN218310926U CN202222362869.3U CN202222362869U CN218310926U CN 218310926 U CN218310926 U CN 218310926U CN 202222362869 U CN202222362869 U CN 202222362869U CN 218310926 U CN218310926 U CN 218310926U
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- camshaft
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- shaped
- clamping block
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Abstract
The utility model relates to a novel camshaft clamp, which comprises a fixed disk fixed on a chuck of a machine tool and a clamping mechanism fixed on the fixed disk and used for clamping one end of a camshaft; the clamping mechanism comprises a positioning boss fixed on the fixed disc, a positioning groove is arranged on the positioning boss and comprises an arc-shaped reference part and a fan-shaped accommodating part, the radian of the arc-shaped reference part is matched with the radian of the end part of the camshaft, an arc-shaped clamping block is arranged in the fan-shaped accommodating part and matched with the radian of the end part of the camshaft, and the arc-shaped clamping block is connected with the positioning boss through a position adjusting mechanism; and a pin hole is formed in the bottom of the positioning groove and is positioned in the center of the fixing disc, and a positioning pin for limiting the camshaft is fixed in the pin hole. The utility model discloses firmly press from both sides the work piece tight fixed, the machining precision of reliable assurance work piece has reduced the rejection rate.
Description
Technical Field
The utility model relates to a camshaft processing technology field especially relates to a novel camshaft anchor clamps.
Background
The camshaft is a component in a piston engine and functions to control the opening and closing action of the valves. Because the motion rule of the valve is related to the power and the running characteristic of an engine, the camshaft occupies a very important position in the running process of the engine, and the requirement on the machining precision of the camshaft is high.
At present, in the process of machining a camshaft by a machine tool, a workpiece needs to be clamped and fixed and then subsequently machined, if the clamping and fixing are not firm, the subsequent machining of the workpiece can generate great errors, the machining precision of the workpiece is reduced, and the rejection rate is increased. Therefore, a novel camshaft clamp capable of stably clamping and fixing a workpiece is urgently needed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide a novel camshaft anchor clamps.
The utility model is realized by the following technical proposal, and provides a novel camshaft clamp, which comprises a fixed disk fixed on a chuck of a machine tool and a clamping mechanism fixed on the fixed disk and used for clamping one end of a camshaft; the clamping mechanism comprises a positioning boss fixed on the fixed disc, a positioning groove is arranged on the positioning boss and comprises an arc-shaped reference part and a fan-shaped accommodating part, the radian of the arc-shaped reference part is matched with the radian of the end part of the camshaft, an arc-shaped clamping block is arranged in the fan-shaped accommodating part and matched with the radian of the end part of the camshaft, and the arc-shaped clamping block is connected with the positioning boss through a position adjusting mechanism; the bottom of the positioning groove is provided with a pin hole, the pin hole is positioned in the center of the fixed disc, and a positioning pin for limiting the camshaft is fixed in the pin hole.
Preferably, the positioning pin can be inserted into a center hole at one end of the camshaft, the center hole at the other end of the camshaft is tightly propped through an insertion tip, and the tip is coaxial with the positioning pin.
Preferably, the fixed disk is circular structure, sets up the breach that is used for the card to go into the chuck jack catch on the fixed disk, the breach is a plurality of and follows fixed disk circumference equipartition.
Preferably, the number of the notches is three or four, and the machine tool chuck is a three-jaw chuck or a four-jaw chuck. The clamping jaws of the chuck are clamped into the notches, and the fixed disk is fixed on the machine tool.
Preferably, the position adjusting mechanism comprises a fixing bolt fixedly connected with the arc-shaped clamping block and a puller bolt used for pulling the arc-shaped clamping block tightly; the positioning boss is provided with a fixing through hole for the fixing bolt to pass through and a threaded hole for the puller bolt to pass through, the fixing bolt penetrates through the fixing through hole to be connected with the arc-shaped clamping block, and the puller bolt is in threaded connection with the threaded hole. The fixing bolt plays a role in connecting the arc-shaped clamping blocks, and the jacking bolt plays a role in jacking the arc-shaped clamping blocks.
Preferably, the number of the fixing bolts is two, the number of the tightening bolts is one, and the two fixing bolts are respectively located on two sides of the tightening bolt.
Preferably, the central angle of the arc-shaped clamping block is 50-70 degrees.
Preferably, the arc of the arc reference portion has a central angle of 160-190 °. So that the arc-shaped clamping block and the arc-shaped reference part clamp and fix one end of the camshaft firmly.
Preferably, the shifting plate is fixed on the arc-shaped clamping block. When the camshaft needs to be placed in the positioning groove, the worker manually shifts up the shifting plate to enable the arc-shaped clamping block to move upwards, and then one end of the camshaft is placed in the positioning groove.
The utility model has the advantages that:
1. the utility model limits one end of the camshaft by the locating pin, and clamps and fixes one end of the camshaft by the matching of the arc clamping block and the arc reference part to prevent the camshaft from rotating circumferentially; the thimble is tightly propped against the bottom of the positioning groove in a matching manner, so that the axial movement of the camshaft is prevented.
2. The position of the workpiece can be accurately determined, and the workpiece can be firmly clamped and fixed, so that the machining precision of the workpiece is reliably ensured, and the rejection rate is reduced; through the utility model discloses press from both sides tight convenient operation to the camshaft, labour saving and time saving, work piece machining efficiency is high.
Drawings
FIG. 1 is a schematic diagram of the explosion structure of the present invention;
shown in the figure:
1. camshaft, 2, fixed disk, 3, arc press from both sides tight piece, 4, locating pin, 5, fixing bolt, 6, puller bolt, 7, arc benchmark portion, 8, fan-shaped accommodation portion, 9, dial the board, 10, breach, 11, fixed through hole, 12, screw hole, 13, pinhole, 14, location boss.
Detailed Description
In order to clearly illustrate the technical features of the present solution, the present solution is explained below by way of specific embodiments.
As shown in fig. 1, the present invention includes a fixing plate 2 fixed on a chuck of a machine tool and a clamping mechanism fixed on the fixing plate 2 and used for clamping one end of a camshaft 1. Fixed disk 2 is circular structure, sets up the breach 10 that is used for the card to go into the chuck jack catch on fixed disk 2, breach 10 is a plurality of and follows 2 circumference equipartitions of fixed disk. The notches 10 are three or four, and the machine tool chuck is a three-jaw chuck or a four-jaw chuck. The clamping jaws of the chuck are clamped into the notches 10, and the fixed disk 2 is fixed on the machine tool.
Clamping mechanism sets up the constant head tank including fixing the location boss 14 on fixed disk 2 on location boss 14, the constant head tank includes arc benchmark portion 7 and fan-shaped portion of holding 8, and the radian of arc benchmark portion 7 cooperatees with 1 tip radian of camshaft, sets up the arc in fan-shaped portion of holding 8 and presss from both sides tight piece 3, and the arc presss from both sides tight piece 3 and cooperatees with 1 tip radian of camshaft, and the arc presss from both sides tight piece 3 and is connected with location boss 14 through position control mechanism.
The position adjusting mechanism comprises a fixing bolt 5 fixedly connected with the arc-shaped clamping block 3 and a puller bolt 6 used for tightly pulling the arc-shaped clamping block 3. The positioning boss 14 is provided with a fixing through hole 11 for the fixing bolt 5 to pass through and a threaded hole 12 for the puller bolt 6 to pass through, the fixing bolt 5 penetrates through the fixing through hole 11 to be connected with the arc-shaped clamping block 3, and the puller bolt 6 is in threaded connection in the threaded hole 12.
The fixing bolt 5 plays a role in connecting the arc-shaped clamping block 3, and the puller bolt 6 plays a role in pulling the arc-shaped clamping block 3. In this embodiment, there are two fixing bolts 5 and one tightening bolt 6. Two fixing bolts 5 are respectively positioned at both sides of the puller bolt 6. And a pin hole 13 is formed in the bottom of the positioning groove, the pin hole 13 is positioned in the center of the fixed disc 2, and a positioning pin 4 for limiting the camshaft 1 is fixed in the pin hole 13. The positioning pin 4 can be inserted into a center hole at one end of the camshaft 1, the center hole at the other end of the camshaft 1 is tightly propped through an inserted center, and the center is coaxial with the positioning pin 4.
In the embodiment, in order to enable the arc-shaped clamping block 3 and the arc-shaped reference part 7 to firmly clamp and fix one end of the camshaft 1, the central angle of the arc-shaped clamping block 3 is 50-70 degrees, and the central angle of the arc-shaped reference part 7 is 160-190 degrees.
During specific processing work, this embodiment explains with processing camshaft 1 on cam both sides recess as the example, at first will the utility model discloses anchor clamps are fixed on the lathe chuck, and the jack catch card of chuck is gone into in the breach 10 of fixed disk 2, and it is fixed to accomplish anchor clamps. The staff manually stirs the tight piece of clamp upwards, inserts the locating pin 4 with the one end centre bore of camshaft 1 to make 1 terminal surface of camshaft top at the constant head tank bottom of location boss 14, put down the arc and press from both sides tight piece 3 and tightly press from both sides tight piece 3 through the tight bolt 6 top of top, the tight piece 3 of arc presss from both sides tight piece 3 and the cooperation of arc benchmark portion 7 is pressed from both sides camshaft 1 one end tightly, the other end of camshaft 1 passes through the thimble top tightly, the stable clamp of camshaft 1 is accomplished in the cooperation of thimble and anchor clamps tightly fixed. At the moment, the chuck rotates to drive the workpiece to stably rotate, and the groove is milled on the workpiece through the cutter. In this embodiment, for the convenience in putting into the constant head tank with camshaft 1, fixed group board 9 on the arc presss from both sides tight piece 3, when needing to place camshaft 1 in the constant head tank, the staff manually upwards stirs group board 9, makes arc press from both sides tight piece 3 and moves upward, then puts into the constant head tank with 1 one end of camshaft.
The utility model limits one end of the camshaft 1 by the locating pin 4, and clamps and fixes one end of the camshaft 1 by the matching of the arc clamping block 3 and the arc reference part 7, thereby preventing circumferential rotation; the thimble is tightly propped against the bottom of the positioning groove in a matching manner, so that the axial movement of the camshaft 1 is prevented; the workpiece position can be accurately determined, the workpiece can be firmly clamped and fixed, the machining precision of the workpiece is reliably ensured, and the rejection rate is reduced. Through the utility model discloses press from both sides tight convenient operation to camshaft 1, labour saving and time saving, work piece machining efficiency is high.
Of course, the above description is not limited to the above examples, and technical features of the present invention that are not described in the present application may be implemented by or using the prior art, and are not described herein again; the above embodiments and drawings are only used for illustrating the technical solutions of the present invention and are not intended to limit the present invention, and the present invention has been described in detail with reference to the preferred embodiments, and those skilled in the art should understand that changes, modifications, additions or substitutions made by those skilled in the art within the spirit of the present invention should also belong to the protection scope of the claims of the present invention.
Claims (7)
1. The utility model provides a novel camshaft anchor clamps which characterized in that: the clamping mechanism is fixed on the fixed disc and used for clamping one end of the camshaft; the clamping mechanism comprises a positioning boss fixed on the fixed disc, a positioning groove is arranged on the positioning boss and comprises an arc-shaped reference part and a fan-shaped accommodating part, the radian of the arc-shaped reference part is matched with the radian of the end part of the camshaft, an arc-shaped clamping block is arranged in the fan-shaped accommodating part and matched with the radian of the end part of the camshaft, and the arc-shaped clamping block is connected with the positioning boss through a position adjusting mechanism; the bottom of the positioning groove is provided with a pin hole, the pin hole is positioned in the center of the fixed disc, and a positioning pin for limiting the camshaft is fixed in the pin hole.
2. The novel camshaft clamp according to claim 1, wherein: the positioning pin can be inserted into a center hole at one end of the camshaft, the center hole at the other end of the camshaft is tightly propped through an insertion tip, and the tip is coaxial with the positioning pin.
3. The novel camshaft fixture as claimed in claim 1, wherein: the fixed disk is circular structure, sets up the breach that is used for the card to go into the chuck jack catch on the fixed disk, the breach is a plurality of and follows fixed disk circumference equipartition.
4. A novel camshaft clamp as claimed in claim 3, wherein: the notches are three or four, and the machine tool chuck is a three-jaw chuck or a four-jaw chuck.
5. The novel camshaft fixture as claimed in claim 1, wherein: the position adjusting mechanism comprises a fixing bolt fixedly connected with the arc-shaped clamping block and a puller bolt used for tightly pulling the arc-shaped clamping block; the positioning boss is provided with a fixing through hole for the fixing bolt to pass through and a threaded hole for the puller bolt to pass through, the fixing bolt penetrates through the fixing through hole to be connected with the arc-shaped clamping block, and the puller bolt is in threaded connection with the threaded hole.
6. The novel camshaft clamp according to claim 1, wherein: the central angle of the arc-shaped clamping block is 50-70 degrees.
7. The novel camshaft clamp according to claim 1, wherein: the central angle of the arc reference part is 160-190 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222362869.3U CN218310926U (en) | 2022-09-06 | 2022-09-06 | Novel camshaft anchor clamps |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222362869.3U CN218310926U (en) | 2022-09-06 | 2022-09-06 | Novel camshaft anchor clamps |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218310926U true CN218310926U (en) | 2023-01-17 |
Family
ID=84833606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222362869.3U Active CN218310926U (en) | 2022-09-06 | 2022-09-06 | Novel camshaft anchor clamps |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218310926U (en) |
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2022
- 2022-09-06 CN CN202222362869.3U patent/CN218310926U/en active Active
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