CN218476030U

CN218476030U - Crank pin drilling device

Info

Publication number: CN218476030U
Application number: CN202222190702.3U
Authority: CN
Inventors: 刘文根
Original assignee: Cixi Shengwang Machinery Co ltd
Current assignee: Cixi Shengwang Machinery Co ltd
Priority date: 2022-08-19
Filing date: 2022-08-19
Publication date: 2023-02-14
Anticipated expiration: 2032-08-19

Abstract

The utility model discloses a crank pin drilling device, which comprises a strip-shaped plate and an arc-shaped plate, wherein the opening end of the arc-shaped plate is rotatably connected with the strip-shaped plate, the front surface of the strip-shaped plate is provided with a connecting block, and a telescopic cylinder is rotatably arranged between the movable end of the connecting block and the arc-shaped plate; the surface of the strip plate is provided with two sliding grooves, sliding blocks are slidably mounted in the sliding grooves, wedge-shaped blocks are mounted on the outer sides of the sliding blocks, driving assemblies are mounted in the strip plate, and drilling assemblies are mounted on the inner sides of the arc plates; has the advantages that: the two sliding blocks slide oppositely through the driving assembly, the crank pin is clamped and fixed through the two wedge-shaped blocks, and the fixing effect on the crank pin is good; the angle of the arc-shaped plate is adjusted through the telescopic cylinder, so that the drilling work of the crank pins at different angles is realized, and the operation is simpler and more convenient.

Description

Crank pin drilling device

Technical Field

The utility model relates to a crank pin drilling technical field, concretely relates to crank pin drilling processingequipment.

Background

The side link in the link mechanism capable of making a complete revolution is called a crank. Crankshafts are commonly used in bicycles or in some mechanical structures, where the crank pin plays a crucial role in ensuring strength, stiffness, etc. of the crank connecting rod.

When the existing crank pin is used for drilling, a crank pin hole is mainly machined through a general machine tool, but after an axial position is drilled, the inclined hole is difficult to drill.

Disclosure of Invention

The utility model aims at providing a crank pin drilling processingequipment just for solving above-mentioned problem, the utility model provides an among a great deal of technical scheme preferred technical scheme, see the explanation below for the details.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a crank pin drilling processing device, including bar shaped plate and arc, the arc semicircular structure, the open end of arc with the bar shaped plate rotates to be connected, bar shaped plate front surface installs the connecting block, the connecting block with the bar shaped plate constitutes "T" shape structure, the expansion end of connecting block with rotate between the arc and install telescopic cylinder;

bar plate surface is provided with two sliding trays, two the sliding tray with the width central line of bar plate sets up as the benchmark symmetry, the inside slidable mounting of sliding tray has the sliding block, the wedge is installed in the outside of sliding block, bar plate internally mounted has and is used for making two the driving assembly that the sliding block moved simultaneously in opposite directions or to the back, the inboard of arc install with the drilling subassembly that the wedge corresponds.

Adopt above-mentioned crank pin drilling processingequipment, place the crank pin two between the wedge, through drive assembly makes two the sliding block is in the inside sliding in opposite directions of sliding tray, then two the wedge is close to each other, through two the wedge realizes pressing from both sides tight fixed to the crank pin, through telescopic cylinder's flexible promotion the arc rotates, makes drilling assembly is corresponding with the drilling position of crank pin, through drilling assembly carries out drilling operation to the crank pin, realizes drilling processing to the crank pin.

As a further optimized scheme, the connecting blocks and the strip-shaped plates are of an integrated structure.

As the scheme of further optimization, the bar bottom surface is open structure, drive assembly includes the threaded rod, the threaded rod rotates to be installed in the opening of bar, the threaded rod both ends are provided with revolves to opposite screw thread section, and the sliding seat is all installed through the screw thread in two sections screw thread outsides, the sliding seat with bar clearance fit, the high-end of sliding seat with the sliding block is connected, wear out the outer end of threaded rod the bar, and install the turning block.

As a further optimized scheme, anti-skid grains are arranged on the outer side of the rotating block.

As the scheme of further optimization, the sliding block cross-section is square, the wedge with the sliding block grafting cooperation.

As the further optimized scheme, the drilling assembly comprises a length-adjustable cylinder, the length-adjustable cylinder is installed on the inner wall of the arc plate, a motor is installed at the telescopic end of the length-adjustable cylinder, and a hole opener is installed at the output end of the motor.

As a further optimized scheme, a guide groove is formed in the arc-shaped plate, the guide groove is cross-shaped, a moving block is fixedly connected to the high end of the length-adjusting cylinder, the moving block is T-shaped, the moving block is in sliding fit with the guide groove, and a fixing bolt used for locking and fixing the moving block is installed on the outer side of the moving block through threads.

The beneficial effects are that: the two sliding blocks slide oppositely through the driving assembly, the crank pin is clamped and fixed through the two wedge-shaped blocks, and the fixing effect on the crank pin is good; the angle of the arc-shaped plate is adjusted through the telescopic cylinder, so that the drilling work of the crank pin at different angles is realized, and the operation is simpler and more convenient.

Drawings

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

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of the drilling assembly of the present invention;

fig. 3 is an enlarged view of the structure of the driving assembly of the present invention.

The reference numerals are explained below:

1. a strip plate; 101. a sliding groove; 102. connecting blocks; 2. a drive assembly; 201. a threaded rod; 202. rotating the block; 203. a sliding seat; 3. a slider; 4. a wedge block; 5. an arc-shaped plate; 501. a guide groove; 502. fixing the bolt; 6. a telescopic cylinder; 7. a drilling assembly; 701. a length-adjustable cylinder; 702. a motor; 703. a hole opener; 704. a moving mass is moved.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the disclosed embodiments are merely exemplary of the invention, and are not intended to limit the invention to the precise embodiments disclosed. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1-3, the utility model provides a crank pin drilling device, including bar 1, the semi-annular structure of arc 5, the open end of arc 5 is connected with bar 1 is rotated, bar 1 front surface installs connecting block 102, connecting block 102 and bar 1 constitute "T" shape structure, connecting block 102 and bar 1 are the structure as an organic whole, install telescopic cylinder 6 between the expansion end of connecting block 102 and arc 5 in a rotating way, utilize telescopic cylinder 6's the flexible can be adjusted the angle of arc 5;

the surface of the strip-shaped plate 1 is provided with two sliding grooves 101, the two sliding grooves 101 are symmetrically arranged by taking the width center line of the strip-shaped plate 1 as a reference, sliding blocks 3 are slidably arranged in the sliding grooves 101, the sliding blocks 3 are in clearance fit with the sliding grooves 101, wedge blocks 4 are arranged on the outer sides of the sliding blocks 3, and a driving assembly 2 for enabling the two sliding blocks 3 to move towards each other or back at the same time is arranged in the strip-shaped plate 1;

the bottom surface of the strip-shaped plate 1 is of an opening structure, the driving component 2 comprises a threaded rod 201, the threaded rod 201 is rotatably installed in an opening of the strip-shaped plate 1, thread sections with opposite rotation directions are arranged at two ends of the threaded rod 201, sliding seats 203 are installed on the outer sides of the two threads through the threads, the sliding seats 203 are in clearance fit with the strip-shaped plate 1, the high ends of the sliding seats 203 are connected with sliding blocks 3, the outer end of the threaded rod 201 penetrates out of the strip-shaped plate 1 and is provided with a rotating block 202, anti-slip threads are arranged on the outer side of the rotating block 202, when the distance between the two sliding blocks 3 is adjusted, the rotating block 202 is rotated, the threaded rod 201 is driven to rotate through the rotating block 202, the sliding seats 203 are moved on the outer side of the threaded rod 201 through thread transmission, and the two sliding blocks 3 can be close to or far away from each other;

the section of the sliding block 3 is square, the wedge-shaped block 4 is in inserted fit with the sliding block 3, and the wedge-shaped block 4 is installed and fixed by inserting the wedge-shaped block 4 and the sliding block 3;

the drilling component 7 corresponding to the wedge block 4 is installed on the inner side of the arc plate 5, the drilling component 7 comprises an extension adjusting cylinder 701, the extension adjusting cylinder 701 is installed on the inner wall of the arc plate 5, a motor 702 is installed at the telescopic end of the extension adjusting cylinder 701, a hole opener 703 is installed at the output end of the motor 702, when drilling operation is needed, the arc plate 5 is pulled to stretch through a telescopic cylinder 6 to rotate, the hole opener 703 corresponds to the drilling position, the hole opener 703 can be driven to rotate through the motor 702, the hole opener 703 is moved towards a crank pin by means of extension of the extension adjusting cylinder 701, drilling operation on the crank pin is achieved, a guide groove 501 is formed inside the arc plate 5, the guide groove 501 is cross-shaped, the high-end fixedly connected with the extension adjusting cylinder 701, the moving block 704 is T-shaped, the moving block 704 is in sliding fit with the guide groove 501, a fixing bolt 502 for locking and fixing the moving block 704 is installed on the outer side of the moving block 704 through threads, sliding fit of the moving block 704 and the guide groove 501 is achieved, guiding of the moving block 704, guiding of the fixing bolt 701 can be achieved by means of adjusting the fixing bolt 701 and the fixing cylinder 701.

The utility model discloses a theory of operation is: place the crank pin between two wedge 4, make two sliding blocks 3 slide in opposite directions in sliding tray 101 inside through drive assembly 2, then two wedge 4 are close to each other, realize pressing from both sides tight fixed to the crank pin through two wedge 4, promote the arc 5 through the flexible of telescopic cylinder 6 and rotate, make drilling assembly 7 corresponding with the drilling position of crank pin, carry out drilling operation to the crank pin through drilling assembly 7, realize carrying out drilling processing to the crank pin.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a crank pin drilling processingequipment which characterized in that: the device comprises a strip-shaped plate (1) and an arc-shaped plate (5), wherein the arc-shaped plate (5) is of a semi-annular structure, the open end of the arc-shaped plate (5) is rotatably connected with the strip-shaped plate (1), a connecting block (102) is arranged on the front surface of the strip-shaped plate (1), the connecting block (102) and the strip-shaped plate (1) form a T-shaped structure, and a telescopic cylinder (6) is rotatably arranged between the movable end of the connecting block (102) and the arc-shaped plate (5);

strip shaped plate (1) surface is provided with two sliding tray (101), two sliding tray (101) with the width central line of strip shaped plate (1) sets up for the benchmark symmetry, sliding tray (101) inside slidable mounting has sliding block (3), wedge (4) are installed in the outside of sliding block (3), strip shaped plate (1) internally mounted has and is used for making two sliding block (3) drive assembly (2) of simultaneously in opposite directions or dorsad removal, the inboard of arc (5) install with drilling assembly (7) that wedge (4) correspond.

2. A crank pin drilling machining device according to claim 1, characterized in that: the connecting block (102) and the strip-shaped plate (1) are of an integral structure.

3. A crank pin drilling machining device according to claim 1, characterized in that: strip shaped plate (1) bottom surface is open structure, drive assembly (2) are including threaded rod (201), threaded rod (201) rotate to be installed in the opening of strip shaped plate (1), threaded rod (201) both ends are provided with revolves to opposite screw thread section, and sliding seat (203) are all installed through the screw thread in two sections screw thread outsides, sliding seat (203) with strip shaped plate (1) clearance fit, the high-end of sliding seat (203) with sliding block (3) are connected, wear out the outer end of threaded rod (201) strip shaped plate (1), and install turning block (202).

4. A crank pin drilling machining device according to claim 3, characterized in that: the outer side of the rotating block (202) is provided with anti-skid grains.

5. A crank pin drilling machining device according to claim 1, characterized in that: the sliding block (3) cross-section is square, wedge (4) with sliding block (3) grafting cooperation.

6. A crank pin drilling machining device according to claim 1, characterized in that: drilling subassembly (7) are including transferring long cylinder (701), transfer long cylinder (701) to install the inner wall of arc (5), transfer the flexible end of long cylinder (701) to install motor (702), hole digger (703) are installed to the output of motor (702).

7. A crank pin drilling machining device according to claim 6, characterized in that: the novel long-distance adjusting device is characterized in that a guide groove (501) is formed in the arc-shaped plate (5), the guide groove (501) is cross-shaped, a moving block (704) is fixedly connected to the high end of the long-distance adjusting cylinder (701), the moving block (704) is T-shaped, the moving block (704) is in sliding fit with the guide groove (501), and a fixing bolt (502) used for locking and fixing the moving block (704) is installed on the outer side of the moving block (704) through threads.