CN217394418U - Powder metallurgy crankshaft bearing cap machining clamp - Google Patents
Powder metallurgy crankshaft bearing cap machining clamp Download PDFInfo
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- CN217394418U CN217394418U CN202221371624.0U CN202221371624U CN217394418U CN 217394418 U CN217394418 U CN 217394418U CN 202221371624 U CN202221371624 U CN 202221371624U CN 217394418 U CN217394418 U CN 217394418U
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Abstract
The utility model relates to a powder metallurgy bent axle bearing cap adds clamping apparatus, including the positioning bottom plate and install a plurality of groups of clamping fixing mechanism on the positioning bottom plate side by side, each group of clamping fixing mechanism all includes the clamp block, with the clamp block cooperation with the tight positioning side plate that the work piece presss from both sides tightly and lie in the clamp block and the positioning cushion block between the positioning side plate, the positioning cushion block is installed on the positioning bottom plate, the clamp block is connected with the driving piece and is close to or keep away from the positioning side plate through the driving piece drive; positioning bulges are oppositely arranged on the clamping block and the positioning side plate; and auxiliary clamping mechanisms which are vertical to the clamping direction of the clamping and fixing mechanisms are arranged on the side of each group of clamping and fixing mechanisms, and each auxiliary clamping mechanism comprises a positioning block and a moving block which is opposite to the positioning block and can be close to or far away from the positioning block. The utility model discloses a press from both sides tight fixed establishment and supplementary clamping mechanism and realize that two-way dual clamp is fixed to the work piece, make the fixed effect of work piece better, improved the stability of adding the work piece man-hour.
Description
Technical Field
The utility model relates to a bearing cap processing technology field especially relates to powder metallurgy bent axle bearing cap adds clamping apparatus.
Background
The split bearing assembly of the bearing seat and the bearing cover is used for supporting a crankshaft, and when the engine runs, the crankshaft converts the reciprocating motion of a piston into rotary motion, so that a wheel is driven to rotate. At present, after being pressed and sintered, the powder metallurgy bearing cover needs to be subjected to post-treatment such as machining, and during machining, the bearing cover is generally placed on a broaching machine to be machined through a broach.
When the broach is used for machining, the bearing cover needs to be clamped and fixed at first, the existing clamp has poor fixing effect on the bearing cover, the machining precision of the bearing cover is reduced, and the product quality of the bearing cover is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model discloses to prior art's not enough, provide powder metallurgy bent axle bearing cap adds clamping apparatus.
The utility model is realized by the following technical scheme, a powder metallurgy crankshaft bearing cap processing clamp is provided, including the positioning bottom plate and a plurality of groups of clamping and fixing mechanisms which are arranged on the positioning bottom plate side by side, each group of clamping and fixing mechanisms comprises a clamping block, a positioning side plate which is matched with the clamping block to clamp a workpiece, and a positioning cushion block which is positioned between the clamping block and the positioning side plate, the positioning cushion block is arranged on the positioning bottom plate, the clamping block is connected with a driving piece and is driven by the driving piece to be close to or far away from the positioning side plate; positioning bulges are oppositely arranged on the clamping block and the positioning side plate; and auxiliary clamping mechanisms which are vertical to the clamping direction of the clamping and fixing mechanisms are arranged on the side of each group of clamping and fixing mechanisms, and each auxiliary clamping mechanism comprises a positioning block and a moving block which is opposite to the positioning block and can be close to or far away from the positioning block.
Preferably, the driving part is a clamping oil cylinder arranged on the positioning bottom plate, and the clamping block is arranged on a piston rod of the clamping oil cylinder and is driven by the piston rod to realize position movement.
Preferably, the positioning side plate is mounted on the back of the clamping oil cylinder of the adjacent group of clamping and fixing mechanisms.
Preferably, the number of the positioning cushion blocks is two, each positioning cushion block comprises an installation part and a positioning part, and the longitudinal section of each positioning part is of an isosceles trapezoid structure with a narrow upper part and a wide lower part. The support stability of the supporting cushion blocks is enhanced, meanwhile, the contact area with the workpiece is reduced, and the machining precision of the workpiece is enhanced.
Preferably, the mounting part is connected with the positioning bottom plate through a bolt.
Preferably, the clamping block and the piston rod are fixedly inserted through the positioning pin, the positioning side plate is connected with the back face of the clamping oil cylinder through a bolt, and the clamping block and the positioning side plate are conveniently taken down and replaced along with abrasion of the positioning protrusion.
Preferably, the positioning bulges are connected with the clamping blocks and the positioning bulges are connected with the positioning side plates through bolts, and the positioning bulges can be replaced only after being worn, so that the material is saved, and the production cost is reduced. The positioning bulge clamps and fixes the workpiece, reduces the contact area with the workpiece and enhances the processing precision of the workpiece.
Preferably, the positioning block is mounted on the workbench through a mounting seat.
Preferably, a plurality of fixing through holes are formed in the workbench and are formed along the connecting line direction of the positioning block and the moving block, and the bottom of the mounting base is inserted into the fixing through holes and fixed through nuts. And according to the model of the workpiece, inserting the mounting seat into the proper fixing through hole for fixing, and adjusting the positioning block to a proper position.
Preferably, the moving block is installed on a piston rod of an air cylinder, and the air cylinder is installed on the workbench. The cylinder drives the moving block to move, and pushes the workpiece to enable one side of the workpiece to abut against the positioning block.
The utility model has the advantages that:
the utility model realizes bidirectional double clamping and fixing of the workpiece through the clamping and fixing mechanism and the auxiliary clamping mechanism, so that the workpiece fixing effect is better, the stability of the workpiece during processing is improved, and the processing precision is improved; the workpiece is positioned through the positioning block of the auxiliary clamping mechanism, the moving block is matched with the positioning block to clamp and position the workpiece, and then the workpiece is further fixed through the clamping and fixing mechanism, so that the clamping and positioning effects are good, and the machining precision is further improved.
Drawings
Fig. 1 is a schematic top view of the present invention;
fig. 2 is a schematic perspective view of the clamping and fixing mechanism of the present invention;
fig. 3 is a schematic structural view of the bearing cap of the present invention;
shown in the figure:
1. the device comprises a positioning bottom plate, 2, a clamping block, 3, a positioning side plate, 4, a positioning cushion block, 5, a clamping oil cylinder, 6, a positioning protrusion, 7, a positioning pin, 8, a positioning block, 9, a moving block, 10, a workbench, 11, a fixing through hole, 12, a mounting seat, 13, an air cylinder, 14, a bridge leg, 41, a mounting part, 42 and a positioning part.
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 and 2, the utility model discloses a location bottom plate 1 and install a plurality of groups side by side on location bottom plate 1 and press from both sides tight fixed establishment, every group presss from both sides tight fixed establishment all including press from both sides tight piece 2, with press from both sides tight piece 2 cooperation with the work piece press from both sides tight location curb plate 3 and be located press from both sides tight piece 2 and fix a position the locating cushion 4 between the curb plate 3, locating cushion 4 installs on location bottom plate 1, press from both sides tight piece 2 and be connected with the driving piece and be close to or keep away from location curb plate 3 through the driving piece drive.
The driving piece is a clamping oil cylinder 5 arranged on the positioning bottom plate 1, the clamping block 2 is arranged on a piston rod of the clamping oil cylinder 5, and the position movement is realized through the drive of the piston rod. The positioning side plate 3 is arranged on the back of a clamping oil cylinder 5 of an adjacent group of clamping and fixing mechanisms.
The clamping block 2 and the positioning side plate 3 are oppositely provided with positioning bulges 6. The positioning bulge 6 clamps and fixes the workpiece, reduces the contact area with the workpiece and enhances the processing precision of the workpiece. The utility model discloses a positioning base plate, including locating cushion block 4, every locating cushion block 4 includes installation department 41 and location portion 42, installation department 41 passes through the bolt and is connected with positioning base plate 1, and location portion 42 longitudinal section is the isosceles trapezoid structure of width under the narrow upper portion, strengthens the bolster support stability, reduces the area of contact with the work piece simultaneously, strengthens work piece machining precision.
The clamping block 2 and the piston rod are fixedly inserted through the positioning pin 7, the positioning side plate 3 is connected with the back face of the clamping oil cylinder 5 through a bolt, and the clamping block 2 and the positioning side plate 3 are conveniently taken down and replaced along with abrasion of the positioning protrusion 6. Between the positioning bulge 6 and the clamping block 2, the positioning bulge 6 and the positioning side plate 3 are connected through bolts, and the positioning bulge 6 can be only replaced after the positioning bulge 6 is worn, so that the material is saved, and the production cost is reduced.
And auxiliary clamping mechanisms which are vertical to the clamping direction of the clamping and fixing mechanisms are arranged on the side of each group of clamping and fixing mechanisms, and each auxiliary clamping mechanism comprises a positioning block 8 and a moving block 9 which is opposite to the positioning block 8 and can be close to or far away from the positioning block 8.
The positioning block 8 is mounted on the workbench 10 through a mounting seat 12, a plurality of fixing through holes 11 are formed in the workbench 10, the fixing through holes 11 are formed in the direction of the connection line of the positioning block 8 and the moving block 9, and the bottom of the mounting seat 12 is inserted into the fixing through holes 11 and fixed through nuts. According to the type of the workpiece, the mounting seat 12 is inserted into the appropriate fixing through hole 11 for fixing, so that the positioning block 8 is adjusted to an appropriate position. The moving block 9 is arranged on a piston rod of an air cylinder 13, and the air cylinder 13 is arranged on the workbench 10. The cylinder 13 drives the moving block 9 to move, and pushes the workpiece to enable one side of the workpiece to abut against the positioning block 8.
During specific work, the positioning bottom plate 1 is arranged on a broaching machine workbench 10, and a group of clamping and fixing mechanisms are used for clamping and fixing a workpiece. When a workpiece is fixed, the workpiece is placed on the positioning cushion block 4, two bridge legs 14 of the bearing cover are respectively placed on one positioning cushion block 4, the bearing cover is as shown in figure 3, one side of the bearing cover leans against the positioning block 8, the moving block 9 is driven to be close to the positioning block 8 through the jacking air cylinder 13, the workpiece is tightly jacked between the positioning block 8 and the moving block 9, then the clamping block 2 is driven to be close to the positioning side plate 3 through the oil cylinder piston rod, and the workpiece is clamped through the clamping block 2 and the positioning side plate 3. The workpiece is firmly clamped by the matching of the clamping block 2 and the positioning side plate 3 and the matching of the positioning block 8 and the moving block 9, so that the fixing effect is enhanced, the processing precision of the workpiece is improved, and the product quality is ensured.
The utility model realizes bidirectional double clamping and fixing of the workpiece through the clamping and fixing mechanism and the auxiliary clamping mechanism, so that the workpiece fixing effect is better, the stability of the workpiece during processing is improved, and the processing precision is improved; the workpiece is positioned by the positioning block 8 of the auxiliary clamping mechanism, and the moving block 9 is matched with the positioning block 8 to clamp and position the workpiece and then further fix the workpiece by the clamping and fixing mechanism, so that the clamping and positioning effects are good, and the processing precision is further improved.
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. Powder metallurgy bent axle bearing cap adds clamping apparatus, its characterized in that: the clamping device comprises a positioning bottom plate and a plurality of groups of clamping and fixing mechanisms which are arranged on the positioning bottom plate side by side, wherein each group of clamping and fixing mechanisms comprises a clamping block, a positioning side plate which is matched with the clamping block to clamp a workpiece, and a positioning cushion block which is positioned between the clamping block and the positioning side plate, the positioning cushion block is arranged on the positioning bottom plate, and the clamping block is connected with a driving piece and is driven to be close to or far from the positioning side plate through the driving piece; positioning bulges are oppositely arranged on the clamping block and the positioning side plate; and auxiliary clamping mechanisms which are vertical to the clamping direction of the clamping fixing mechanisms are arranged on the side of each group of clamping fixing mechanisms, and each auxiliary clamping mechanism comprises a positioning block and a moving block which is opposite to the positioning block and can be close to or far away from the positioning block.
2. The powder metallurgy crankshaft bearing cap machining fixture of claim 1, wherein: the driving piece is a clamping oil cylinder arranged on the positioning bottom plate, the clamping block is arranged on a piston rod of the clamping oil cylinder, and the position movement is realized through the drive of the piston rod.
3. The powder metallurgy crankshaft bearing cap machining fixture of claim 2, wherein: the positioning side plate is arranged on the back of the clamping oil cylinder of the adjacent group of clamping and fixing mechanisms.
4. The powder metallurgy crankshaft bearing cap adds clamping apparatus of claim 1, characterized in that: the locating cushion blocks are two, each locating cushion block comprises an installation portion and a locating portion, and the longitudinal section of each locating portion is of an isosceles trapezoid structure with a narrow upper portion and a wide lower portion.
5. The powder metallurgy crankshaft bearing cap machining fixture of claim 1, wherein: the positioning block is installed on the workbench through the installation seat.
6. The powder metallurgy crankshaft bearing cap adds clamping apparatus of claim 5, characterized in that: the workbench is provided with a plurality of fixing through holes, the fixing through holes are arranged along the connecting line direction of the positioning block and the moving block, and the bottom of the mounting base is inserted into the fixing through holes and fixed through nuts.
7. The powder metallurgy crankshaft bearing cap machining fixture of claim 1, wherein: the moving block is arranged on a piston rod of the air cylinder, and the air cylinder is arranged on the workbench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221371624.0U CN217394418U (en) | 2022-06-02 | 2022-06-02 | Powder metallurgy crankshaft bearing cap machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221371624.0U CN217394418U (en) | 2022-06-02 | 2022-06-02 | Powder metallurgy crankshaft bearing cap machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217394418U true CN217394418U (en) | 2022-09-09 |
Family
ID=83146021
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221371624.0U Active CN217394418U (en) | 2022-06-02 | 2022-06-02 | Powder metallurgy crankshaft bearing cap machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217394418U (en) |
-
2022
- 2022-06-02 CN CN202221371624.0U patent/CN217394418U/en active Active
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