CN218364060U

CN218364060U - Tool for crankshaft machining

Info

Publication number: CN218364060U
Application number: CN202221951305.7U
Authority: CN
Inventors: 王文杨
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-07-25
Filing date: 2022-07-25
Publication date: 2023-01-24
Anticipated expiration: 2032-07-25

Abstract

The utility model relates to the technical field of machining, and discloses a tool for crankshaft machining, which comprises a lifting appliance and a clamp, wherein the lifting appliance comprises a chain, one end of the chain is provided with a first lifting hook, the other end of the chain is provided with a second lifting hook, the middle part of the chain is provided with a lifting ring, a fixed component is arranged between the lifting ring and the chain, the first lifting hook is detachably connected with one end of a crankshaft, and the second lifting hook is detachably connected with the other end of the crankshaft; the fixture comprises a base, a supporting plate is fixed on the base, an arc-shaped groove is formed in the upper end face of the supporting plate, and the arc-shaped groove is attached to the lower end face of the crankshaft. The utility model has the advantages of it is following and effect: the height of adjusting two lifting hooks can make bent axle both ends be located same height, and makes the lower extreme of bent axle under towards, and direct control bent axle downwardly movement can place the bent axle in the arc wall department of anchor clamps and can let the crank stabilize and place on anchor clamps. The transfer of bent axle with install the in-process at the lathe, need not artifical transport, use manpower sparingly convenient operation.

Description

Tool for crankshaft machining

Technical Field

The utility model relates to the technical field of machining, in particular to frock is used in bent axle processing.

Background

After the crankshaft blank is formed, the end face of the crankshaft needs to be ground, and the crankshaft is irregular in shape, so that the crankshaft needs to be fixed on the rack through a specific clamp, and the crankshaft is convenient to process. And the bent axle quality is heavier, and the bent axle is transporting, install the frame on the operation difficulty, adopts conventional hoist to hoist the bent axle back, and operating personnel is difficult to adjust the bent axle angle, makes its steady placing in the frame.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a frock is used in bent axle processing has simple structure, convenient operation, the effect of using manpower sparingly.

The above technical purpose of the present invention can be achieved by the following technical solutions: the tool for machining the crankshaft comprises a lifting appliance and a clamp, wherein the lifting appliance comprises a chain, one end of the chain is provided with a first lifting hook, the other end of the chain is provided with a second lifting hook, the middle part of the chain is provided with a lifting ring, a fixing assembly is arranged between the lifting ring and the chain, the first lifting hook is detachably connected with one end of the crankshaft, and the second lifting hook is detachably connected with the other end of the crankshaft; the clamp comprises a base, a supporting plate is fixed on the base, an arc-shaped groove is formed in the upper end face of the supporting plate, the arc-shaped groove is attached to the lower end face of a crankshaft, and the lower end face of the crankshaft after lifting corresponds to the arc-shaped groove by adjusting the position of the lifting ring.

The utility model discloses a further set up to: the first lifting hook comprises a connecting ring, the connecting ring is detachably connected with the chain, the bottom of the connecting ring is hinged with a first arc-shaped hook, a curved surface is arranged on one side, close to the crankshaft, of the first arc-shaped hook, and the curved surface is attached to the crankshaft.

The utility model discloses a further set up to: the bottom of the arc-shaped hook is provided with a limiting block, and the limiting block is connected with the inner side of the crankshaft.

The utility model discloses a further set up to: be equipped with the dicyclo knot between go-between and the chain, the dicyclo is detained including going up a contraceptive ring and lower ring, goes up a contraceptive ring and passes through bolt fixed connection between the lower ring, go up a contraceptive ring and chain lock joint, lower ring and go-between lock joint.

The utility model discloses a further set up to: the second lifting hook comprises a connecting sheet, the lower end of the connecting sheet is hinged with a second arc-shaped hook, a supporting surface is arranged at the joint of the second arc-shaped hook and the crankshaft, and the upper end of the connecting sheet is connected with the chain through a double-ring buckle.

The utility model discloses a further set up to: the fixing assembly comprises a semicircular fixing ring, the two ends of the fixing ring are connected through bolts, and the chain and the hanging ring are fastened with the fixing ring.

The utility model discloses a further set up to: the base is provided with a fixing rod, the fixing rod is sleeved with a pressing block, the fixing rod is in threaded connection with a fixing nut, and the fixing nut is located above the pressing block.

The utility model has the advantages that:

1. hoist the bent axle through two lifting hooks, adjust the height of two lifting hooks, can make the bent axle both ends be located same height, and make under the lower extreme orientation of bent axle, lathe department is equipped with anchor clamps, be equipped with in the backup pad of anchor clamps with the bent axle under the arc wall that the terminal surface was laminated mutually, then adopt the driving to transport the crank to lathe department after, the direct control bent axle downstream can place the bent axle in the arc wall department of anchor clamps and can let the crank stabilize and place on anchor clamps. The transfer of bent axle with install the in-process at the lathe, need not artifical transport, use manpower sparingly, convenient operation.

2. The first lifting hook and the second lifting hook are respectively hinged to two ends of the chain, and after the first lifting hook and the second lifting hook two ends of the crankshaft, the first lifting hook and the second lifting hook can change angles under the gravity action of the crankshaft, so that the first lifting hook and the second lifting hook do not deviate from the connection position of the crankshaft, and the crank is enabled to be stable in the transfer process.

3. The joint of the second lifting hook and the crankshaft is provided with a supporting surface, so that the friction force between the second lifting hook and the crankshaft can be increased, and the second lifting hook and the crankshaft are connected more stably.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained without creative efforts.

FIG. 1 is a schematic view of the assembly of a spreader, a crankshaft and a clamp.

Fig. 2 is a schematic view of the hanger and crankshaft assembly.

Fig. 3 is a schematic diagram of the spreader structure.

Fig. 4 is a schematic view of the structure of the jig.

In the figure, 1, a hanger; 11. a chain; 12. a first lifting hook; 121. a connecting ring; 122. a first arc-shaped hook; 123. a curved surface; 124. a limiting block; 13. a second lifting hook; 131. connecting sheets; 132. a support surface; 14. a hoisting ring; 15. a fixing ring; 16. a double-ring buckle; 2. a clamp; 21. a base; 22. a support plate; 23. an arc-shaped slot; 24. fixing the rod; 25. pressing into blocks; 26. fixing a nut; 3. a crankshaft.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

The embodiment is as follows: the utility model provides a frock is used in bent axle processing, as shown in fig. 1, including hoist 1 and anchor clamps 2, hoist 1 includes

chain

11, 11 one end of chain is equipped with lifting hook one 12, the other end is equipped with lifting hook two 13, 11 middle parts of chain are provided with rings 14, be equipped with fixed subassembly between rings 14 and the chain 11, fixed subassembly includes the solid fixed ring 15 of semicircle type, fixed ring 15 both ends link to each other through the bolt, chain 11 and rings 14 all with solid fixed ring 15 lock joint, through removing the position of fixed subassembly on chain 11, can adjust the height of lifting hook one 12 and lifting hook two 13. As shown in fig. 4, the fixture 2 includes a base 21, the base 21 is fixed on the machine tool, two support plates 22 are fixed on the base 21, an arc-shaped groove 23 is formed in the upper end faces of the two support plates 22, the arc-shaped groove 23 is attached to the lower end face of the crankshaft 3, a fixing rod 24 is arranged between the two support plates 22, a pressing block 25 is sleeved on the fixing rod 24, a fixing nut 26 is connected to the fixing rod 24 through a thread, and the fixing nut 26 is located above the pressing block 25. The first lifting hook 12 is detachably connected with one end of the crankshaft 3, the second lifting hook 13 is detachably connected with the other end of the crankshaft 3, the two ends of the crankshaft 3 can be located on the same horizontal plane by adjusting the heights of the first lifting hook 12 and the second lifting hook 13, the lower end face of the crankshaft 3 faces towards the right lower side, the crankshaft 3 is lifted by the crane through the lifting appliance 1, then the crankshaft 3 is transferred to the clamp 2 of the machine tool, the crankshaft 3 can be placed on the clamp 2 by enabling the crankshaft 3 to fall by the crane, the fixing rod 24 penetrates through the crankshaft 3 at the moment, then the pressing block 25 and the fixing nut 26 are sequentially placed on the fixing rod 24, the fixing nut 26 is screwed to enable the pressing block 25 to be abutted to the crankshaft 3, and the crankshaft 3 can be fixed on the clamp 2.

As shown in fig. 2 and 3, the first hook 12 includes a connection ring 121, the connection ring 121 is detachably connected to the chain 11, the connection ring 121 is connected to the chain 11 through a double-ring buckle 16, the double-ring buckle 16 includes an upper ring and a lower ring, the upper ring and the lower ring are fixedly connected through a bolt, the upper ring is fastened to the chain 11, and the lower ring is fastened to the connection ring 121. The bottom of the connecting ring 121 is hinged with a first arc-shaped hook 122, one side, close to the crankshaft 3, of the first arc-shaped hook 122 is provided with a curved surface 123, the curved surface 123 is attached to the side face of the crankshaft 3, the first arc-shaped hook can support the side face of the crankshaft 3, the bottom of the first arc-shaped hook 122 is provided with a limiting block 124, the limiting block 124 is connected with the inner side of the crankshaft 3, the first arc-shaped hook 122 penetrates through a hole in the side face of the crankshaft 3, and the limiting block 124 is connected with the inner side of the crankshaft 3 to hook the side face of the crankshaft 3.

The second lifting hook 13 comprises a connecting sheet 131, the lower end of the connecting sheet 131 is hinged with a second arc-shaped hook, a supporting surface 132 is arranged at the joint of the second arc-shaped hook and the crankshaft 3, and the upper end of the connecting sheet 131 is connected with the chain 11 through a double-ring buckle 16.

A frock theory of operation is used in 3 processing of bent axle: before the crankshaft 3 is processed, firstly, a lifting ring 14 of the lifting appliance 1 is connected with a traveling crane, then a first lifting hook 12 and a second lifting hook 13 are installed on the crankshaft 3, two ends of the crankshaft 3 can be located on the same horizontal plane by adjusting the heights of the first lifting hook 12 and the second lifting hook 13, and the lower end face of the crankshaft 3 faces to the right lower side; the crane lifts the crankshaft 3 through the lifting appliance 1, then transfers the crankshaft 3 to the clamp 2 of the machine tool, and the crane enables the crankshaft 3 to fall down, so that the crankshaft 3 can be placed on the clamp 2; at this time, the fixing rod 24 penetrates through the crankshaft 3, then the pressing block 25 and the fixing nut 26 are sequentially placed on the fixing rod 24, and the pressing block 25 is abutted against the crankshaft 3 by screwing the fixing nut 26, so that the crankshaft 3 can be fixed on the clamp 2.

Claims

1. The utility model provides a frock is used in bent axle processing which characterized in that: the lifting appliance comprises a lifting appliance (1) and a clamp (2), wherein the lifting appliance (1) comprises a chain (11), one end of the chain (11) is provided with a first lifting hook (12), the other end of the chain is provided with a second lifting hook (13), the middle part of the chain (11) is provided with a lifting ring (14), a fixing component is arranged between the lifting ring (14) and the chain (11), the first lifting hook (12) is detachably connected with one end of a crankshaft (3), and the second lifting hook (13) is detachably connected with the other end of the crankshaft (3); anchor clamps (2) include base (21), be fixed with backup pad (22) on base (21), arc wall (23) have been seted up to backup pad (22) up end, arc wall (23) laminate mutually with bent axle (3) lower terminal surface, make to lift by crane back bent axle (3) lower terminal surface and arc wall (23) corresponding through adjusting rings (14) position.

2. The tool for machining the crankshaft according to claim 1, wherein: lifting hook (12) include go-between (121), go-between (121) can be dismantled with chain (11) and be connected, go-between (121) bottom is articulated to have arc hook (122), arc hook (122) are close to bent axle (3) one side and are equipped with curved surface (123), curved surface (123) laminate mutually with bent axle (3).

3. The tool for machining the crankshaft according to claim 2, wherein: the bottom of the first arc-shaped hook (122) is provided with a limiting block (124), and the limiting block (124) is connected with the inner side of the crankshaft (3).

4. The tool for machining the crankshaft according to claim 2, wherein: be equipped with double ring between go-between (121) and chain (11) and detain (16), double ring detains (16) including last ring and lower ring, go up and pass through bolt fixed connection between the ring and the lower ring, go up ring and chain (11) lock joint, lower ring and go-between (121) lock joint.

5. The tool for machining the crankshaft according to claim 1, wherein: the second lifting hook (13) comprises a connecting sheet (131), the lower end of the connecting sheet (131) is hinged with a second arc-shaped hook, a supporting surface (132) is arranged at the joint of the second arc-shaped hook and the crankshaft (3), and the upper end of the connecting sheet (131) is connected with the chain (11) through a double-ring buckle (16).

6. The tool for machining the crankshaft according to claim 1, wherein: the fixing assembly comprises a semicircular fixing ring (15), the two ends of the fixing ring (15) are connected through bolts, and the chain (11) and the hanging ring (14) are fastened with the fixing ring (15).

7. The tool for machining the crankshaft according to claim 1, wherein: the fixing device is characterized in that a fixing rod (24) is arranged on the base (21), a pressing block (25) is sleeved on the fixing rod (24), a fixing nut (26) is connected to the fixing rod (24) in a threaded mode, and the fixing nut (26) is located above the pressing block (25).