CN214292109U - Crankshaft clamping tool - Google Patents
Crankshaft clamping tool Download PDFInfo
- Publication number
- CN214292109U CN214292109U CN202023258242.0U CN202023258242U CN214292109U CN 214292109 U CN214292109 U CN 214292109U CN 202023258242 U CN202023258242 U CN 202023258242U CN 214292109 U CN214292109 U CN 214292109U
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- supporting block
- pressing
- base
- rod
- block
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Abstract
The utility model discloses a crankshaft clamping tool, which comprises a base, a pressing block, a first supporting block and a second supporting block, wherein the first supporting block and the second supporting block are arranged on the base side by side and used for placing a long shaft; the pressing block is provided with a plurality of connecting pressing plates for pressing the long shaft on the first supporting block and the second supporting block; a plurality of compression bolts penetrating through the compression blocks are connected to the base between the first support block and the second support block in a threaded manner, and compression springs for forcing the compression blocks to drive the connecting pressure plate to move towards the base are sleeved on the compression bolts; a first air cylinder used for driving the pressing block to drive the connecting pressing plate to move towards the direction far away from the base is arranged on the lower end face of the base; a short shaft clamping mechanism is arranged on the base and close to the first supporting block; the crankshaft clamping tool is simple in structure and capable of rapidly clamping and fixing the crankshaft.
Description
Technical Field
The utility model relates to a bent axle processing technology field specifically indicates a bent axle presss from both sides tight frock.
Background
The crankshaft is the main rotating mechanism of the engine, which is responsible for converting the up-and-down reciprocating motion of the piston into the circular motion of the crankshaft, and the rotating speed of the engine is the rotating speed of the crankshaft. The crankshaft shown in fig. 1 includes a short shaft 001, a crank throw 002 and a long shaft 003, one end of the crank throw is fixedly connected with one end of the long shaft, the other end of the crank throw is fixedly connected with one end of the short shaft, and the short shaft and the long shaft are parallel to each other. With the expansion of the application range of the crankshafts, some crankshafts need to punch holes on the circumferential side surface of a long shaft, and additionally, a groove is cut at one end, far away from a crank throw, of the long shaft, so that although some special punching and cutting clamps are arranged in the prior art, the rotation angle of the punching hole relative to the crank throw cannot be adjusted according to the requirements; even if it is possible to adjust, it is troublesome to operate.
Disclosure of Invention
Technical problem to be solved
The utility model aims at providing a bent axle presss from both sides tight frock is simple structure not only, can realize the tight fixedly of clamp of bent axle moreover fast.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: a crankshaft clamping tool comprises a base, a pressing block, a first supporting block and a second supporting block, wherein the first supporting block and the second supporting block are arranged on the base side by side and used for placing a long shaft; the pressing block is provided with a plurality of connecting pressing plates for pressing the long shaft on the first supporting block and the second supporting block; a plurality of compression bolts penetrating through the compression blocks are connected to the base between the first support block and the second support block in a threaded manner, and compression springs for forcing the compression blocks to drive the connecting pressure plate to move towards the base are sleeved on the compression bolts; a first air cylinder used for driving the pressing block to drive the connecting pressing plate to move towards the direction far away from the base is arranged on the lower end face of the base; and a short shaft clamping mechanism is arranged on the base at a position close to the first supporting block.
According to the technical scheme, when the crankshaft clamping tool is used, the first cylinder extends out to push the pressing block to compress the pressing spring upwards, then the long shaft of the crankshaft is placed on the first supporting block and the second supporting block, the short shaft of the crankshaft is located at the first supporting block, the short shaft of the crankshaft is fixed through the short shaft clamping mechanism, the first cylinder is controlled to contract, and the pressing block drives the connecting pressing plate to press the long shaft of the crankshaft on the first supporting block and the second supporting block under the action of the first cylinder and the pressing spring so as to facilitate punching and cutting of the long shaft of the crankshaft; when the crankshaft needs to be taken out, the short shaft clamping mechanism works to loosen the short shaft of the crankshaft, and meanwhile, the first air cylinder extends out to push the pressing block to upwards compress the pressing spring, so that the connecting pressing plate does not press the long shaft of the crankshaft any more, and the crankshaft is convenient to take down; the crankshaft clamping tool is simple in structure, convenient to use and capable of quickly fixing the crankshaft.
In a further technical scheme, the short shaft clamping mechanism comprises a top rod, a connecting rod, a hinge seat, a pressing rod and a supporting block, the top rod is connected to the base in a sliding mode along the length direction of the guide sliding rod, the supporting block is installed on the base and is close to the first supporting block, the hinge seat is installed on the base and is located between the top rod and the supporting block, one end of the connecting rod is hinged to the hinge seat, and the other end of the connecting rod is hinged to a rod body of the pressing rod; one end of the pressing rod is hinged with the ejector rod, and the other end of the pressing rod is positioned above the supporting block and used for pressing the short shaft on the supporting block; and a second cylinder for driving the ejector rod to reciprocate is arranged on the lower end surface of the base.
Through the technical scheme, when the short shaft clamping mechanism works, the second cylinder stretches out to drive the ejector rod to move upwards, the ejector rod drives one end of the pressing rod to move upwards, the other end of the pressing rod presses the short shaft on the supporting block under the action of the connecting rod, so that the short shaft is fixed, when the short shaft needs to be loosened, the second cylinder shrinks to drive one section of the pressing rod to move downwards through the ejector rod, and then the other end of the pressing rod upwards loosens the short shaft under the action of the connecting rod.
The ejector rod, the hinge base and the supporting block are arranged on the same straight line perpendicular to the long shaft.
In a further technical scheme, a differential head for adjusting the height of the supporting block extending out of the upper end face of the base is arranged on the lower end face of the base; the height of the supporting block extending out of the upper end face of the base is adjusted through the rotary differential head, so that the height of the short shaft after being compressed and fixed is adjusted, the rotation of the long shaft can be realized after the short shaft is compressed and fixed, and the angle of the long shaft for punching a crank throw is adjusted.
In a further technical scheme, the number of the connecting pressing plates is two and the two connecting pressing plates are respectively close to the first supporting block and the second supporting block; and the connecting pressing plates are provided with pressing holes for the long shaft to pass through or pressing grooves with openings at the upper ends.
In a further technical scheme, a placing groove for placing the long shaft is formed in the first supporting block, and a through hole for placing the long shaft is formed in the second supporting block.
(III) advantageous effects
Compared with the prior art, the technical scheme of the utility model have following advantage: when the crankshaft clamping tool is used, the first cylinder extends out to push the pressing block to compress the pressing spring upwards, then the long shaft of the crankshaft is placed on the first supporting block and the second supporting block, the short shaft of the crankshaft is located at the first supporting block, the short shaft of the crankshaft is fixed through the short shaft clamping mechanism, the first cylinder is controlled to contract, and the pressing block drives the connecting pressing plate to press the long shaft of the crankshaft onto the first supporting block and the second supporting block under the action of the first cylinder and the pressing spring so as to facilitate punching and cutting of the long shaft of the crankshaft; when the crankshaft needs to be taken out, the short shaft clamping mechanism works to loosen the short shaft of the crankshaft, and meanwhile, the first air cylinder extends out to push the pressing block to upwards compress the pressing spring, so that the connecting pressing plate does not press the long shaft of the crankshaft any more, and the crankshaft is convenient to take down; the crankshaft clamping tool is simple in structure, convenient to use and capable of quickly fixing the crankshaft.
Drawings
FIG. 1 is a schematic sectional view of a crankshaft of the present invention;
fig. 2-4 are perspective views of a crankshaft clamping tool according to the present invention;
fig. 5 is an exploded view of a crankshaft clamping tool according to the present invention;
fig. 6-7 are perspective views of a crankshaft clamping tool according to the present invention when clamping a crankshaft.
Detailed Description
Referring to fig. 1-7, a crankshaft clamping tool includes a base 1, a pressing block 2, and a first supporting block 3 and a second supporting block 4 which are arranged side by side on the base 1 and used for placing a long shaft 003, wherein a placing groove 5a for placing the long shaft 003 is arranged on the first supporting block 3, and a through hole 5b for placing the long shaft 003 is arranged on the second supporting block 4; four guide slide bars 6 are arranged on the base 1 between the first supporting block 3 and the second supporting block 4, and the pressing block 2 is connected to the four guide slide bars 6 in a sliding manner; the pressing block 2 is provided with two connecting pressing plates 7 for pressing the long shaft 003 on the first supporting block 3 and the second supporting block 4; the number of the connecting pressing plates 7 is two and the two connecting pressing plates are respectively close to the first supporting block 3 and the second supporting block 4; and the connecting pressing plates 7 are respectively provided with a pressing hole for the long shaft 003 to pass through or a pressing groove 8 with an opening at the upper end. Four compression bolts 9 penetrating through the compression block 2 are connected to the base 1 between the first support block 3 and the second support block 4 in a threaded manner, compression springs 10 for forcing the compression block 2 to drive the connecting pressure plate 7 to move towards the direction of the base 1 are sleeved on the compression bolts 9, and the pretightening force of the compression springs 10 can be adjusted by adjusting the distance that the compression bolts 9 are screwed into or out of the base 1; a first air cylinder 11 for driving the pressing block 2 to drive the connecting pressing plate 7 to move towards the direction far away from the base 1 is arranged on the lower end face of the base 1; and a short shaft 001 clamping mechanism is arranged on the base 1 at a position close to the first supporting block 3.
The short shaft 001 clamping mechanism comprises a push rod 12, a connecting rod 13, a hinge seat 14, a pressing rod 15 and a supporting block 16, wherein the push rod 12 is connected to the base 1 in a sliding mode along the length direction of the guide sliding rod 6, the supporting block 16 is installed on the base 1 and is close to the first supporting block 3, the hinge seat 14 is installed on the base 1 and is located between the push rod 12 and the supporting block 16, and the push rod 12, the hinge seat 14 and the supporting block 16 are on the same straight line perpendicular to the long shaft 003. One end of the connecting rod 13 is hinged on the hinged seat 14, and the other end is hinged on the rod body of the pressing rod 15; one end of the pressing rod 15 is hinged with the top rod 12, and the other end of the pressing rod is positioned above the supporting block 16 and used for pressing the short shaft 001 on the supporting block 16; and a second cylinder 17 for driving the ejector rod 12 to reciprocate is mounted on the lower end surface of the base 1.
A differential head 18 for adjusting the height of the supporting block 16 extending out of the upper end face of the base 1 is arranged on the lower end face of the base 1 through a differential head locking block; through rotatory minute head 18 regulation supporting shoe 16 stretch out base 1 up end height, and then adjust the minor axis 001 and compress tightly the height after fixing, minor axis 001 compresses tightly can realize the rotation of major axis 003 after fixing altitude mixture control, and then adjusts the angle that major axis 003 punched for crank 002.
When the crankshaft clamping tool is used, the first air cylinder 11 extends out to push the pressing block 2 to upwards compress the pressing spring 10, then the long shaft 003 of the crankshaft is placed in the placing groove 5a on the first supporting block 3 and the through hole 5b on the second supporting block 4, and meanwhile, the long shaft 003 of the crankshaft penetrates through the pressing hole or the pressing groove 8 on the connecting pressing plate 7; the short shaft 001 of the crankshaft is positioned on the supporting block 16, then the first cylinder 11 is controlled to contract, and the pressing block 2 drives the connecting pressing plate 7 to press the long shaft 003 of the crankshaft onto the first supporting block 3 and the second supporting block 4 under the action of the first cylinder 11 and the pressing spring 10, so that the long shaft 003 of the crankshaft can be conveniently punched and cut; meanwhile, the second air cylinder 17 is controlled to extend out to drive the ejector rod 12 to move upwards, the ejector rod 12 drives one end of the pressing rod 15 to move upwards, and the other end of the pressing rod 15 presses the short shaft 001 on the supporting block 16 under the action of the connecting rod 13, so that the short shaft 001 is fixed; when the crankshaft needs to be taken out, the first air cylinder 11 is controlled to extend out to push the pressing block 2 to upwards compress the pressing spring 10, so that the pressing hole or the pressing groove 8 in the connecting pressing plate 7 does not press the long shaft 003 of the crankshaft any more, and the crankshaft is convenient to take down; and meanwhile, the second air cylinder 17 is controlled to contract to drive one section of the pressing rod 15 to move downwards through the ejector rod 12, so that the other end of the pressing rod 15 upwards loosens the short shaft 001 under the action of the connecting rod 13. The crankshaft clamping tool is simple in structure, convenient to use and capable of quickly fixing the crankshaft.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The crankshaft clamping tool is characterized by comprising a base, a pressing block, a first supporting block and a second supporting block, wherein the first supporting block and the second supporting block are arranged on the base side by side and used for placing a long shaft; the pressing block is provided with a plurality of connecting pressing plates for pressing the long shaft on the first supporting block and the second supporting block; a plurality of compression bolts penetrating through the compression blocks are connected to the base between the first support block and the second support block in a threaded manner, and compression springs for forcing the compression blocks to drive the connecting pressure plate to move towards the base are sleeved on the compression bolts; a first air cylinder used for driving the pressing block to drive the connecting pressing plate to move towards the direction far away from the base is arranged on the lower end face of the base; and a short shaft clamping mechanism is arranged on the base at a position close to the first supporting block.
2. The crankshaft clamping tool according to claim 1, wherein the short shaft clamping mechanism comprises a top rod, a connecting rod, a hinge seat, a pressing rod and a supporting block, the top rod is connected to the base in a sliding mode along the length direction of the sliding guide rod, the supporting block is installed on the base and is close to the first supporting block, the hinge seat is installed on the base and is located between the top rod and the supporting block, one end of the connecting rod is hinged to the hinge seat, and the other end of the connecting rod is hinged to a rod body of the pressing rod; one end of the pressing rod is hinged with the ejector rod, and the other end of the pressing rod is positioned above the supporting block and used for pressing the short shaft on the supporting block; and a second cylinder for driving the ejector rod to reciprocate is arranged on the lower end surface of the base.
3. The crankshaft clamping tool according to claim 2, wherein a differential head for adjusting the height of the supporting block extending out of the upper end face of the base is mounted on the lower end face of the base.
4. The crankshaft clamping tool according to claim 1, wherein the number of the connecting pressing plates is two and the two connecting pressing plates are respectively close to the first supporting block and the second supporting block; and the connecting pressing plates are provided with pressing holes for the long shaft to pass through or pressing grooves with openings at the upper ends.
5. The crankshaft clamping tool according to claim 1, wherein a placing groove for placing the long shaft is formed in the first supporting block, and a through hole for placing the long shaft is formed in the second supporting block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023258242.0U CN214292109U (en) | 2020-12-30 | 2020-12-30 | Crankshaft clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023258242.0U CN214292109U (en) | 2020-12-30 | 2020-12-30 | Crankshaft clamping tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214292109U true CN214292109U (en) | 2021-09-28 |
Family
ID=77863712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023258242.0U Active CN214292109U (en) | 2020-12-30 | 2020-12-30 | Crankshaft clamping tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214292109U (en) |
-
2020
- 2020-12-30 CN CN202023258242.0U patent/CN214292109U/en active Active
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