CN214161612U - Bent axle cuts off frock for mitre saw bed - Google Patents

Bent axle cuts off frock for mitre saw bed Download PDF

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Publication number
CN214161612U
CN214161612U CN202023175863.2U CN202023175863U CN214161612U CN 214161612 U CN214161612 U CN 214161612U CN 202023175863 U CN202023175863 U CN 202023175863U CN 214161612 U CN214161612 U CN 214161612U
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Prior art keywords
shaped supporting
base
crankshaft
block
shaped
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CN202023175863.2U
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Chinese (zh)
Inventor
贺永明
赵吴博
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Chongqing Dawang Crankshaft Machinery Manufacturing Co ltd
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Chongqing Dawang Crankshaft Machinery Manufacturing Co ltd
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Priority to CN202023175863.2U priority Critical patent/CN214161612U/en
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Abstract

The utility model relates to a bent axle cuts off frock for mitre saw bed, the on-line screen storage device comprises a base, be provided with first cutting station and second cutting station on the base, first cutting station includes two first V type supporting shoes that are used for supporting the trunnion of bent axle, second cutting station includes two second V type supporting shoes that are used for supporting the trunnion of bent axle, the height of second V type supporting shoe is higher than first V type supporting shoe, first V type supporting shoe and second V type supporting shoe are all fixed mounting on the base, still install the hold-down mechanism that is used for pushing down the trunnion of bent axle on the base; and the base is respectively provided with a positioning mechanism opposite to the first V-shaped supporting block and the second V-shaped supporting block, and the two positioning mechanisms are opposite to each other. The utility model has the advantages of simple structure, convenient use and high automation degree.

Description

Bent axle cuts off frock for mitre saw bed
Technical Field
The utility model relates to a production and processing technology field of bent axle especially relates to a bent axle cuts off frock for mitre saw bed.
Background
The crankshaft is the most important component in the engine. It takes the force from the connecting rod and converts it into torque to be output by the crankshaft and drive other accessories on the engine. The crankshaft is subjected to the combined action of centrifugal force of the rotating mass, gas inertia force of periodic variation and reciprocating inertia force, so that the crankshaft is subjected to the action of bending and twisting load. Therefore, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work uniformly and balance well.
In the production and processing process of the crankshaft, the blank of the crankshaft is taken, two ends of the blank of the crankshaft need to be cut, an inclined sawing machine is used during cutting, the existing inclined sawing machine is not provided with a mechanism which is specially used for clamping the blank of the crankshaft, the crankshaft is clamped by a common tool, the tool needs to be disassembled and assembled manually continuously, the efficiency is low, and the labor intensity is high.
Disclosure of Invention
To the not enough of above-mentioned prior art, the technical problem that this patent application will solve provides a simple structure, and convenient to use, the high bent axle cuts off frock for the oblique sawing machine of degree of automation.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a crankshaft cutting tool for an inclined sawing machine comprises a base, wherein a first cutting station and a second cutting station are arranged on the base, the first cutting station comprises two first V-shaped supporting blocks used for supporting a main journal of a crankshaft, the second cutting station comprises two second V-shaped supporting blocks used for supporting the main journal of the crankshaft, the height of each second V-shaped supporting block is higher than that of each first V-shaped supporting block, each first V-shaped supporting block and each second V-shaped supporting block are fixedly arranged on the base, and a pressing mechanism used for pressing down the main journal of the crankshaft is further arranged on the base; and the base is respectively provided with a positioning mechanism opposite to the first V-shaped supporting block and the second V-shaped supporting block, and the two positioning mechanisms are opposite to each other.
The pressing mechanism comprises a U-shaped frame fixedly mounted on the base, a vertically arranged air cylinder is fixedly mounted on the U-shaped frame, a piston rod of the air cylinder penetrates through the U-shaped frame and is arranged downwards, a connecting plate is arranged in the U-shaped frame in a sliding fit mode, the piston rod of the air cylinder is fixedly connected with the connecting plate, the lower end of the connecting plate is respectively and fixedly provided with a first pressing block and a second pressing block over against a first V-shaped supporting block and a second V-shaped supporting block, the distance between the first pressing block and the first V-shaped supporting block is the same as the distance between the second pressing block and the second V-shaped supporting block, and the height of the second pressing block in the vertical direction is higher than that of the first pressing block.
The lower ends of the first pressing block and the second pressing block are provided with the same V-shaped notches.
Wherein, positioning mechanism includes the reference column of fixed mounting on the base, fixed mounting has the nut on the reference column, the reference column is just being provided with the perforation to the nut, positioning mechanism still includes the locating plate, one side fixed mounting of locating plate has the screw rod, the screw rod passes perforation and nut threaded connection.
The first V-shaped supporting block, the second V-shaped supporting block and the positioning column are fixedly connected with the base through bolts.
The utility model has the advantages of simple structure, convenient use and high automation degree.
Drawings
Fig. 1 is a schematic structural view of a crankshaft cutting tool for an inclined sawing machine.
Fig. 2 is a front view of fig. 1.
Fig. 3 is a side view of fig. 1.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings. In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "upper, lower" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
As shown in fig. 1 to 3, a crankshaft cutting tool for an inclined sawing machine comprises a base 1, wherein a first cutting station and a second cutting station are arranged on the base, the first cutting station comprises two first V-shaped supporting blocks 2 for supporting a main journal of a crankshaft, the second cutting station comprises two second V-shaped supporting blocks 3 for supporting the main journal of the crankshaft, the second V-shaped supporting blocks are higher than the first V-shaped supporting blocks, the first V-shaped supporting blocks and the second V-shaped supporting blocks are both fixedly mounted on the base, and a pressing mechanism for pressing down the main journal of the crankshaft is further mounted on the base; and the base is respectively provided with a positioning mechanism opposite to the first V-shaped supporting block and the second V-shaped supporting block, and the two positioning mechanisms are opposite to each other.
Like this, place the bent axle respectively on first V type supporting shoe and second V type supporting shoe for the one end and the positioning mechanism butt of bent axle utilize the positioning mechanism location, and the connecting rod journal of adjustment bent axle sets up downwards, utilizes hold-down mechanism to compress tightly the bent axle, accomplishes the installation of bent axle. And then, the crankshaft is cut by using the inclined sawing machine, and the inclined sawing machine can act once to complete the cutting of 2 crankshafts and improve the cutting efficiency. Specifically, the heights of the first V-shaped supporting block and the second V-shaped supporting block are installed according to the inclination of the saw blade of the inclined sawing machine during actual machining, and the height difference can be adjusted by adjusting the distance between the first V-shaped supporting block and the second V-shaped supporting block, so that high-efficiency cutting is realized. The V-shaped notches of the first V-shaped supporting block and the second V-shaped supporting block are the same, and the connecting line of the lower ends of the V-shaped notches is parallel to the saw blade.
The pressing mechanism comprises a U-shaped frame 4 fixedly mounted on the base, a vertically arranged air cylinder 5 is fixedly mounted on the U-shaped frame, a piston rod of the air cylinder penetrates through the U-shaped frame and is arranged downwards, a connecting plate 6 is arranged in the U-shaped frame in a sliding fit mode, the piston rod of the air cylinder is fixedly connected with the connecting plate, the lower end of the connecting plate is respectively and fixedly provided with a first pressing block 7 and a second pressing block 8 opposite to a first V-shaped supporting block and a second V-shaped supporting block, the distance between the first pressing block and the first V-shaped supporting block is the same as the distance between the second pressing block and the second V-shaped supporting block, and the height of the second pressing block in the vertical direction is higher than that of the first pressing block. The piston rod of the cylinder moves downwards to drive the connecting plate and the pressing block to press the connecting rod journal of the crankshaft. The compressing of 2 crankshafts is realized by improving one-time action, the assembly efficiency is improved, the automation degree is high, manual intervention is not needed in the compressing process, and the labor intensity is reduced.
The lower ends of the first pressing block and the second pressing block are provided with the same V-shaped notches. The crankshaft can be better compressed.
Wherein, positioning mechanism includes reference column 9 of fixed mounting on the base, fixed mounting has nut 10 on the reference column, the reference column is just being provided with the perforation to the nut, positioning mechanism still includes the locating plate, one side fixed mounting of locating plate 11 has screw rod 12, the screw rod passes perforation and nut threaded connection. Through rotatory screw rod, the position of adjustment locating plate improves the suitability.
The first V-shaped supporting block, the second V-shaped supporting block and the positioning column are fixedly connected with the base through bolts. The installation and the connection are convenient.
The principle is as follows:
the crankshaft is placed on the first V-shaped supporting block and the second V-shaped supporting block respectively, one end of the crankshaft is abutted to the positioning mechanism, the positioning mechanism is used for positioning, the connecting rod shaft neck of the crankshaft is adjusted to be arranged downwards, the pressing mechanism is used for pressing the crankshaft, and the installation of the crankshaft is completed. And then, the crankshaft is cut by using the inclined sawing machine, and the inclined sawing machine can act once to complete the cutting of 2 crankshafts and improve the cutting efficiency. Specifically, the heights of the first V-shaped supporting block and the second V-shaped supporting block are installed according to the inclination of the saw blade of the inclined sawing machine during actual machining, and the height difference can be adjusted by adjusting the distance between the first V-shaped supporting block and the second V-shaped supporting block, so that high-efficiency cutting is realized. The V-shaped notches of the first V-shaped supporting block and the second V-shaped supporting block are the same, and the connecting line of the lower ends of the V-shaped notches is parallel to the saw blade.
Finally, it should be noted that: various modifications and alterations of this invention may be made by those skilled in the art without departing from the spirit and scope of this invention. Thus, to the extent that such modifications and variations of the present invention fall within the scope of the present claims and their equivalents, it is intended that the present invention encompass such modifications and variations as well.

Claims (5)

1. A crankshaft cutting tool for an inclined sawing machine is characterized by comprising a base, wherein a first cutting station and a second cutting station are arranged on the base, the first cutting station comprises two first V-shaped supporting blocks used for supporting a main journal of a crankshaft, the second cutting station comprises two second V-shaped supporting blocks used for supporting the main journal of the crankshaft, the second V-shaped supporting blocks are higher than the first V-shaped supporting blocks, the first V-shaped supporting blocks and the second V-shaped supporting blocks are fixedly arranged on the base, and a pressing mechanism used for pressing down the main journal of the crankshaft is further arranged on the base; and the base is respectively provided with a positioning mechanism opposite to the first V-shaped supporting block and the second V-shaped supporting block, and the two positioning mechanisms are opposite to each other.
2. The crankshaft cutting tool for the mitre saw machine according to claim 1, wherein the pressing mechanism comprises a U-shaped frame fixedly installed on a base, a vertically arranged cylinder is fixedly installed on the U-shaped frame, a piston rod of the cylinder penetrates through the U-shaped frame and is arranged downwards, a connecting plate is arranged in the U-shaped frame in a sliding fit mode, the piston rod of the cylinder is fixedly connected with the connecting plate, a first pressing block and a second pressing block are respectively and fixedly installed on the lower end of the connecting plate opposite to a first V-shaped supporting block and a second V-shaped supporting block, the distance between the first pressing block and the first V-shaped supporting block is the same as the distance between the second pressing block and the second V-shaped supporting block, and the height of the second pressing block in the vertical direction is higher than that of the first pressing block.
3. The crankshaft cutting tool for the mitre saw machine according to claim 2, wherein the lower ends of the first pressing block and the second pressing block are provided with the same V-shaped notch.
4. The crankshaft cutting tool for the mitre saw machine according to claim 3, wherein the positioning mechanism comprises a positioning column fixedly installed on the base, a nut is fixedly installed on the positioning column, the positioning column is provided with a through hole right facing the nut, the positioning mechanism further comprises a positioning plate, a screw rod is fixedly installed on one side of the positioning plate, and the screw rod penetrates through the through hole to be in threaded connection with the nut.
5. The crankshaft cutting tool for the mitre saw machine according to claim 4, wherein the first V-shaped supporting block, the second V-shaped supporting block and the positioning column are fixedly connected with the base through bolts.
CN202023175863.2U 2020-12-25 2020-12-25 Bent axle cuts off frock for mitre saw bed Active CN214161612U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202023175863.2U CN214161612U (en) 2020-12-25 2020-12-25 Bent axle cuts off frock for mitre saw bed

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202023175863.2U CN214161612U (en) 2020-12-25 2020-12-25 Bent axle cuts off frock for mitre saw bed

Publications (1)

Publication Number Publication Date
CN214161612U true CN214161612U (en) 2021-09-10

Family

ID=77608956

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202023175863.2U Active CN214161612U (en) 2020-12-25 2020-12-25 Bent axle cuts off frock for mitre saw bed

Country Status (1)

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CN (1) CN214161612U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113941883A (en) * 2021-10-25 2022-01-18 葫芦岛莲花山铸造有限公司 Fixing device for milling workpieces for CNC lathes

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113941883A (en) * 2021-10-25 2022-01-18 葫芦岛莲花山铸造有限公司 Fixing device for milling workpieces for CNC lathes

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