CN215701152U - A centre gripping equipment for bent axle processing - Google Patents
A centre gripping equipment for bent axle processing Download PDFInfo
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- CN215701152U CN215701152U CN202122166542.4U CN202122166542U CN215701152U CN 215701152 U CN215701152 U CN 215701152U CN 202122166542 U CN202122166542 U CN 202122166542U CN 215701152 U CN215701152 U CN 215701152U
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- crankshaft
- seat
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Abstract
The utility model discloses clamping equipment for crankshaft machining, which comprises a fixed seat and two groups of clamping mechanisms arranged at the top of the fixed seat, wherein the bottoms of the two groups of clamping mechanisms are respectively connected with a first mounting plate and a second mounting plate; the fixed seat is provided with an adjusting piece for adjusting the second mounting plate to slide on the top of the fixed seat; the clamping mechanism comprises a mounting seat, and a V-shaped groove for placing a main journal of the crankshaft is formed in the top of the mounting seat; according to the utility model, the limiting mechanism is arranged, after main journals at two ends of the crankshaft are clamped, the positioning seat can be adjusted to contact one group of connecting rod journals, the arc limiting plate is adjusted to contact one side of the rod body of the connecting rod journal, due to the irregular design of the crankshaft, two ends of the crankshaft are clamped and fixed, the bottom of the connecting rod journal is supported, the fixed crankshaft is not overturned during processing, the moving grooves are formed in two sides of the fixed seat, and impurities can be reduced from entering the moving grooves to influence the movement of the moving block.
Description
Technical Field
The utility model relates to the technical field of crankshaft machining, in particular to clamping equipment for crankshaft machining.
Background
The crankshaft is the most important component in the engine. The crankshaft mainly comprises a crankshaft front end (or called free end), a connecting rod journal, a main journal, a crank, a balance block and a crankshaft rear end flange (or called power output end). During crankshaft machining, the crankshaft needs to be clamped and fixed.
The automobile crankshaft clamping device disclosed in the prior patent publication No. CN 209887127U rotates the second rotating handle to enable the first threaded rod to rotate, so that the sliding block in threaded connection with the first threaded rod can move back and forth to drive the clamping device at the upper end of the sliding block to move, and automobile crankshafts with different lengths can be clamped.
However, when the two ends of the crankshaft are clamped, the two ends of the crankshaft are clamped through the fixing rods, the crankshaft is easy to turn over during machining, and the strip-shaped grooves are exposed at the top and are easy to accumulate impurities to influence the movement of the sliding block. In view of the above problems, a clamping apparatus for crankshaft machining is now proposed.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a clamping device for crankshaft machining, which solves the above-mentioned problems of the prior art.
In order to achieve the purpose, the utility model provides the following technical scheme:
a clamping device for crankshaft machining comprises a fixed seat and two groups of clamping mechanisms arranged at the top of the fixed seat, wherein the bottoms of the two groups of clamping mechanisms are respectively connected with a first mounting plate and a second mounting plate;
the fixed seat is provided with an adjusting piece for adjusting the second mounting plate to slide on the top of the fixed seat;
the clamping mechanism comprises an installation seat, a V-shaped groove for placing a main journal of the crankshaft is formed in the top of the installation seat, and a top plate with adjustable height is arranged at the top of the installation seat;
and a limiting mechanism movably arranged at the top of the fixed seat is arranged between the two groups of clamping mechanisms and comprises a sliding plate, the top of the sliding plate is connected with a positioning seat used for supporting a crankshaft connecting rod journal through a telescopic rod, and the positioning seat is connected with an arc limiting plate used for assisting the positioning seat to support the connecting rod journal.
Preferably, a sliding groove is formed in the positioning seat, a sliding block in sliding fit with the sliding groove is connected to the bottom of the arc limiting plate, an adjusting screw rod is rotatably arranged on the positioning seat, and a screw hole in threaded fit with the adjusting screw rod is formed in the sliding block.
Preferably, the telescopic rod comprises a fixed cylinder connected to the top of the sliding plate, a movable rod is arranged in the fixed cylinder in a sliding mode, the top of the movable rod is connected with the positioning seat, and one side of the fixed cylinder is connected with a fixed knob used for fixing the sliding position of the movable rod.
Preferably, the adjusting part comprises moving grooves formed in two sides of the fixed seat, screw rods are arranged in the moving grooves, a protective box is installed on one side of the fixed seat, a motor used for controlling the rotation of the two groups of screw rods is installed in the protective box, and the screw rods are in threaded connection with moving blocks arranged in the moving grooves in a sliding mode.
Preferably, the two ends of the second mounting plate are connected with the moving block through bolts, and the first mounting plate is fixed on the fixed seat through bolts.
Preferably, the sliding plate comprises a cross rod connected with the fixed cylinder and vertical rods connected to two ends of the cross rod, and the cross rod and the vertical rods are in sliding fit with the fixed seat.
Preferably, an air cylinder is installed in the mounting seat, the power output end of the air cylinder is connected with a piston rod, the top of the piston rod penetrates through the top of the mounting seat to be connected with a top plate, and the bottom of the top plate is connected with an arc-shaped pressing plate.
Preferably, the inner wall of the V-shaped groove is connected with a rubber pad.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, by arranging the limiting mechanism, after main journals at two ends of the crankshaft are clamped, the adjusting positioning seat can be contacted with one group of connecting rod journals, and then the arc limiting plate is adjusted to be contacted with one side of the rod body of the connecting rod journals;
the limiting mechanism is convenient to take out and adjust, and can be conveniently used according to actual operation requirements;
according to the utility model, the moving grooves are formed in the two sides of the fixed seat, so that impurities entering the moving grooves are reduced to influence the movement of the moving block, the moving block can drive the second mounting plate to stably move, and the distance between the two groups of clamping mechanisms is conveniently adjusted.
Drawings
Fig. 1 is a schematic structural view of a clamping apparatus for crankshaft machining.
Fig. 2 is a schematic structural view of a clamping mechanism in a clamping device for crankshaft machining.
Fig. 3 is a schematic structural diagram of a limiting mechanism in a clamping device for crankshaft machining.
In the figure: 11-a fixed seat, 12-a limiting mechanism, 13-a clamping mechanism, 14-a first mounting plate, 15-a moving groove, 16-a screw rod, 17-a moving block, 18-a second mounting plate, 19-a protective box, 20-a mounting seat, 21-a V-shaped groove, 22-a rubber pad, 23-a piston rod, 24-a top plate, 25-an arc-shaped pressing plate, 26-a sliding plate, 27-a fixed cylinder, 28-a movable rod, 29-a positioning seat, 30-an arc-shaped limiting plate, 31-an adjusting screw rod.
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.
Example 1
Referring to fig. 1-3, in an embodiment of the present invention, a clamping apparatus for crankshaft machining includes a fixed base 11 and two sets of clamping mechanisms 13 disposed at the top of the fixed base 11, wherein the bottoms of the two sets of clamping mechanisms 13 are respectively connected to a first mounting plate 14 and a second mounting plate 18;
the fixed seat 11 is provided with an adjusting piece for adjusting the second mounting plate 18 to slide on the top of the fixed seat 11;
the clamping mechanism 13 comprises an installation base 20, a V-shaped groove 21 for placing a main journal of the crankshaft is formed in the top of the installation base 20, and a top plate 24 with adjustable height is formed in the top of the installation base 20;
the distance between the two groups of clamping mechanisms 13 is adjusted through the adjusting piece, the main journals at the two ends of the crankshaft can be placed in the V-shaped grooves 21, and the design of the V-shaped grooves 21 facilitates the placement of the main journals with various diameters.
A limiting mechanism 12 movably mounted at the top of the fixed seat 11 is arranged between the two groups of clamping mechanisms 13, the limiting mechanism 12 comprises a sliding plate 26, the top of the sliding plate 26 is connected with a positioning seat 29 for supporting a crankshaft connecting rod journal through a telescopic rod, and the positioning seat 29 is connected with an arc limiting plate 30 for assisting the positioning seat 29 to support the connecting rod journal;
the height of the positioning seat 29 can be adjusted through the telescopic rod, so that the positioning seat 29 contacts the bottom of one group of connecting rod journals.
A sliding groove is formed in the positioning seat 29, a sliding block in sliding fit with the sliding groove is connected to the bottom of the arc limiting plate 30, an adjusting screw rod 31 is rotatably arranged on the positioning seat 29, and a screw hole in threaded fit with the adjusting screw rod 31 is formed in the sliding block;
after the positioning seat 29 contacts the bottom of the connecting rod journal, the adjusting screw rod 31 can be rotated to enable the sliding block to move in the sliding groove, the arc limiting plate 30 can contact one side of the rod body of the connecting rod journal, due to the irregular design of the crankshaft, two ends of the crankshaft are clamped and fixed, the bottom of the connecting rod journal is supported, and the fixed crankshaft can not turn over during machining.
The telescopic rod comprises a fixed cylinder 27 connected to the top of the sliding plate 26, a movable rod 28 is arranged in the fixed cylinder 27 in a sliding mode, the top of the movable rod 28 is connected with a positioning seat 29, and one side of the fixed cylinder 27 is connected with a fixed knob used for fixing the sliding position of the movable rod 28; the sliding of the movable rod 28 in the fixed cylinder 27 can adjust the height of the positioning seat 29, and then the movable rod 28 can be screwed down by using the fixed knob to limit the sliding of the movable rod 28, thereby completing the adjustment of the height of the positioning seat 29.
The adjusting part comprises moving grooves 15 arranged on two sides of a fixed seat 11, a screw 16 is arranged in each moving groove 15, a protective box 19 is arranged on one side of the fixed seat 11, a motor used for controlling the rotation of the two groups of screws 16 is arranged in each protective box 19, and the screws 16 are in threaded connection with moving blocks 17 arranged in the moving grooves 15 in a sliding mode;
the motor can drive the screw rod 16 to rotate when working, and the moving block 17 can be adjusted to move in the moving groove 15 when the screw rod 16 rotates, so that the second mounting plate 18 is controlled to slide on the top of the fixed seat 11, and the distance between the two groups of clamping mechanisms 13 can be adjusted conveniently according to the length of the crankshaft.
The two ends of the second mounting plate 18 are connected with the moving block 17 through bolts, the first mounting plate 14 is fixed on the fixing seat 11 through bolts, and the two groups of clamping mechanisms 13 are convenient to detach and maintain.
The sliding plate 26 comprises a cross rod connected with the fixed cylinder 27 and vertical rods connected to two ends of the cross rod, and the cross rod and the vertical rods are in sliding fit with the fixed seat 11; the sliding plate 26 can be sleeved on the fixed seat 11 from the top of the fixed seat 11 and can slide on the fixed seat 11, and the positioning seat 29 does not affect the stability of the installation of the sliding plate 26 when supporting the rod journal.
An air cylinder is installed in the installation seat 20, the power output end of the air cylinder is connected with a piston rod 23, the top of the piston rod 23 penetrates through the top of the installation seat 20 to be connected with a top plate 24, and the bottom of the top plate 24 is connected with an arc-shaped pressing plate 25; the cylinder work control piston rod 23 stretches out and draws back, can control the height of roof 24 to the distance between arc pressing plate 25 and the main journal is pressed to the control arc, is convenient for operate arc pressing plate 25 and presses the main journal top.
Example 2
Compared with the embodiment 1, the inner wall of the V-shaped groove 21 is connected with a rubber pad 22; when the arc-shaped pressing plate 25 is matched with the V-shaped groove 21 to fix the main journal, the rubber pad 22 can reduce the extrusion of the V-shaped groove 21 to the main journal, and reduce the clamping abrasion to the main journal.
The working principle of the utility model is as follows: when the clamping equipment for crankshaft machining is used, a main journal at one end of a crankshaft is arranged in a V-shaped groove 21 of a clamping mechanism 13 at the top of a first mounting plate 14, another group of clamping mechanisms 13 are adjusted to slide on a fixing seat 11 through an adjusting piece, the main journal at the other end of the crankshaft can be arranged in the V-shaped groove 21 of the clamping mechanism 13 at the top of a second mounting plate 18, a cylinder work control piston rod 23 contracts, an arc pressing plate 25 presses the top of the main journal, the height of a telescopic rod is adjusted to enable a positioning seat 29 to be in contact with the bottom of a connecting rod journal, then an adjusting screw rod 31 can be rotated to enable a sliding block to move in a sliding groove, an arc limiting plate 30 can be in contact with one side of a rod body of the connecting rod journal, the two ends of the crankshaft are clamped and fixed, the bottom of the connecting rod journal is supported, the fixed crankshaft can not be overturned during machining, and subsequent machining is facilitated.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof.
Claims (8)
1. The utility model provides a centre gripping equipment for bent axle processing, includes fixing base (11) and sets up two sets of fixture (13) at fixing base (11) top, and is two sets of fixture (13) bottom is connected with first mounting panel (14) and second mounting panel (18), its characterized in that respectively: the fixed seat (11) is provided with an adjusting piece for adjusting the second mounting plate (18) to slide on the top of the fixed seat (11);
the clamping mechanism (13) comprises an installation base (20), a V-shaped groove (21) for placing a main journal of the crankshaft is formed in the top of the installation base (20), and a top plate (24) with adjustable height is arranged on the top of the installation base (20);
be equipped with between two sets of fixture (13) movable mounting at the stop gear (12) of fixing base (11) top, stop gear (12) are including sliding plate (26), sliding plate (26) top is connected with positioning seat (29) that are used for supporting crankshaft connecting rod journal through the telescopic link, be connected with arc limiting plate (30) that are used for supplementary positioning seat (29) support connecting rod journal on positioning seat (29).
2. A clamping apparatus for crankshaft machining according to claim 1, wherein: the novel adjustable positioning device is characterized in that a sliding groove is formed in the positioning seat (29), a sliding block in sliding fit with the sliding groove is connected to the bottom of the arc-shaped limiting plate (30), an adjusting screw rod (31) is arranged on the positioning seat (29) in a rotating mode, and a screw hole in threaded fit with the adjusting screw rod (31) is formed in the sliding block.
3. A clamping apparatus for crankshaft machining according to claim 1, wherein: the telescopic rod comprises a fixed cylinder (27) connected to the top of the sliding plate (26), a movable rod (28) is arranged in the fixed cylinder (27) in a sliding mode, the top of the movable rod (28) is connected with a positioning seat (29), and one side of the fixed cylinder (27) is connected with a fixed knob used for fixing the sliding position of the movable rod (28).
4. A clamping apparatus for crankshaft machining according to claim 1, wherein: the adjusting part comprises moving grooves (15) arranged on two sides of a fixed seat (11), screw rods (16) are arranged in the moving grooves (15), a protective box (19) is installed on one side of the fixed seat (11), motors used for controlling the rotation of the two groups of screw rods (16) are installed in the protective box (19), and the screw rods (16) are in threaded connection with moving blocks (17) which are arranged in the moving grooves (15) in a sliding mode.
5. A clamping apparatus for crankshaft machining according to claim 4, characterized in that: two ends of the second mounting plate (18) are connected with a moving block (17) through bolts, and the first mounting plate (14) is fixed on the fixed seat (11) through bolts.
6. A clamping apparatus for crankshaft machining according to claim 3, wherein: the sliding plate (26) comprises a cross rod connected with the fixed cylinder (27) and vertical rods connected to two ends of the cross rod, and the cross rod and the vertical rods are in sliding fit with the fixed seat (11).
7. A clamping apparatus for crankshaft machining according to claim 1, wherein: the air cylinder is installed in the mounting seat (20), the power output end of the air cylinder is connected with the piston rod (23), the top of the piston rod (23) penetrates through the top of the mounting seat (20) to be connected with the top plate (24), and the bottom of the top plate (24) is connected with the arc-shaped pressing plate (25).
8. A clamping apparatus for crankshaft machining according to claim 1, wherein: the inner wall of the V-shaped groove (21) is connected with a rubber pad (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166542.4U CN215701152U (en) | 2021-09-08 | 2021-09-08 | A centre gripping equipment for bent axle processing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122166542.4U CN215701152U (en) | 2021-09-08 | 2021-09-08 | A centre gripping equipment for bent axle processing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215701152U true CN215701152U (en) | 2022-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122166542.4U Active CN215701152U (en) | 2021-09-08 | 2021-09-08 | A centre gripping equipment for bent axle processing |
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| Country | Link |
|---|---|
| CN (1) | CN215701152U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647131A (en) * | 2022-12-12 | 2023-01-31 | 汇工(河北)机械集团有限公司 | Axle type part straightener |
-
2021
- 2021-09-08 CN CN202122166542.4U patent/CN215701152U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115647131A (en) * | 2022-12-12 | 2023-01-31 | 汇工(河北)机械集团有限公司 | Axle type part straightener |
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