CN210849217U - A fixing mechanism for machining of automobile crankshaft - Google Patents

Abstract

The utility model discloses a fixed establishment for automobile crankshaft processing, comprising a base plate, the left side sliding connection at bottom plate top has first backup pad, the fixed frame of top fixedly connected with of first backup pad, the equal sliding connection in top and the bottom on fixed frame right side has the support column, two fixedly connected with straight board between one side of support column, the first fixed block of bottom fixedly connected with on straight board right side. A fixed establishment for automobile crankshaft processing, be equipped with lead screw, bull stick and first fixed block, can adjust the interval between first backup pad and the second backup pad to in fixing the bent axle of different length, and can adjust the processing angle of bent axle, do not need the staff to pull down the bent axle and change the angle, improved work efficiency, improved the practicality of device, can also carry out dual fixed to the bent axle, improve the bent axle and add stability man-hour, easy operation is practical, bring better use prospect.

Description

A fixing mechanism for machining of automobile crankshaft

technical field

The utility model relates to the technical field of automobile crankshaft machining equipment, in particular to a fixing mechanism for automobile crankshaft machining.

Background technique

The crankshaft is the most important component in an engine. It bears the force from the connecting rod and converts it into torque, which is output through the crankshaft and drives other accessories on the engine to work. Under the action of bending and torsional loads, the crankshaft is required to have sufficient strength and rigidity, and the surface of the journal needs to be wear-resistant, work evenly, and have good balance.

The existing fixing mechanism for machining crankshafts of automobiles is inconvenient to rotate the crankshaft and adjust the machining angle of the crankshaft when in use. It requires the staff to repeatedly remove the crankshaft to change the angle, and the work efficiency is low, which is not conducive to wide-ranging Promote use.

Utility model content

(1) Technical problems solved

In view of the deficiencies of the prior art, the utility model provides a fixing mechanism for machining an automobile crankshaft, which has the advantages of being convenient for changing the machining angle of the crankshaft, and solves the problem of the existing fixing mechanism for machining the automobile crankshaft, which is inconvenient for the crankshaft. The problem of adjusting the processing angle.

(2) Technical solutions

In order to achieve the above purpose, the present utility model provides the following technical solutions: a fixing mechanism for machining an automobile crankshaft, comprising a bottom plate, a first support plate is slidably connected to the left side of the top of the bottom plate, and a top of the first support plate is slidably connected. A fixed frame is fixedly connected, a support column is slidably connected to the top and bottom of the right side of the fixed frame, a straight plate is fixedly connected between one side of the two support columns, and the bottom of the right side of the straight plate is fixedly connected with a first plate. A fixed block, a horizontal plate is fixedly connected to the top of the straight plate, a threaded rod is threadedly connected inside the horizontal plate, a knob is fixedly connected to the top of the threaded rod, and a second threaded rod is rotatably connected to the bottom end of the threaded rod. A fixed block, one side of the straight plate is fixedly connected with a rotating rod, one end of the rotating rod penetrates the fixed frame and extends to the outside of the fixed frame, and the right side of the top of the bottom plate is fixedly connected with a second support plate.

Preferably, a straight rod penetrates through the top of the fixing frame, a connecting block is fixedly connected to the bottom end of the straight rod, a clamping rod is fixedly connected to the bottom of the connecting block, and one end of the clamping rod penetrates the rotating rod and extends to the outside of the lever.

Preferably, a clamping slot for cooperating with the clamping rod is formed on the rotating rod, and a rotating handle is fixedly connected to one end of the rotating rod outside the fixing frame.

Preferably, a spring is sleeved on the surface of the straight rod and located between the top of the inner wall of the fixing frame and the top of the connecting block, and a pull handle is fixedly connected to the top of the straight rod.

Preferably, a U-shaped frame is rotatably connected to the top of one side of the second support plate.

Preferably, a threaded block penetrates through the inside of the first support plate, a screw rod is threadedly connected to the inside of the screw block, and one end of the screw rod is rotatably connected to the bottom of one side of the second support plate, and the top of the bottom plate is threadedly connected. A motor is fixedly connected to the left side of the motor, and the output shaft of the motor is fixedly connected to one end of the screw rod.

Preferably, both sides of the bottom of the bottom plate are fixedly connected with mounting blocks, and mounting holes are opened inside the mounting blocks.

Preferably, the first fixing block and the second fixing block are arc-shaped blocks.

(3) Beneficial effects

Compared with the prior art, the utility model provides a fixing mechanism for machining an automobile crankshaft, which has the following beneficial effects:

1. This fixing mechanism for automobile crankshaft processing drives the screw rod to rotate through the operation of the motor, the screw rod drives the threaded block to move, the threaded block drives the first support block to move, and adjusts the distance between the first support plate and the second support plate , in order to fix crankshafts of different lengths.

2. The fixing mechanism for automobile crankshaft processing uses the knob to rotate the threaded rod, and the threaded rod drives the second fixing block to move, and further fixes one end of the crankshaft through the second fixing block and the first fixing block, so as to improve the machining process of the crankshaft. The stability of the device is simple and practical, and it is conducive to wide popularization and use.

3. This fixing mechanism for automobile crankshaft processing can move the straight rod by pulling the handle, so that one end of the straight rod is far from the slot, then the rotating rod can be rotated by the rotating handle, and the rotating rod drives the straight plate to rotate, and the straight plate passes through the first fixing block. and the second fixed block drives the crankshaft to rotate, the crankshaft can be rotated, and the processing angle of the crankshaft can be adjusted without the need for staff to remove the crankshaft to change the angle, which improves the work efficiency and improves the practicability of the device.

Description of drawings

Fig. 1 is the structural representation of a kind of fixing mechanism used for automobile crankshaft machining of the present invention;

Fig. 2 is a partial enlarged view of the fixing mechanism shown in Fig. 1 of the present utility model for the machining of automobile crankshafts;

Fig. 3 is a partial enlarged view of the fixing mechanism of the utility model for machining of automobile crankshaft shown in Fig. 1 at B;

FIG. 4 is a schematic structural diagram of the first fixing block shown in FIG. 1 of a fixing mechanism used for machining an automobile crankshaft according to the present invention.

In the figure: 1. Bottom plate; 2. First supporting plate; 3. Fixed frame; 4. Supporting column; 5. Straight plate; 6. First fixing block; 7. Horizontal plate; 8. Threaded rod; 9. Knob; 10 , the second fixed block; 11, the rotating rod; 12, the straight rod; 13, the connecting block; 14, the clamping rod; 15, the clamping slot; 16, the handle; 17, the spring; 18, the rotating handle; plate; 20, U-shaped frame; 21, threaded block; 22, lead screw; 23, motor; 24, mounting block; 25, mounting hole.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

Please refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a fixing mechanism for automobile crankshaft processing includes a bottom plate 1, and a first support plate 2 is slidably connected to the left side of the top of the bottom plate 1. The first support plate The top of 2 is fixedly connected with a fixed frame 3, the top and bottom of the right side of the fixed frame 3 are both slidably connected with a support column 4, a straight plate 5 is fixedly connected between one side of the two support columns 4, and the bottom of the right side of the straight plate 5 is fixed. A first fixing block 6 is connected, a horizontal plate 7 is fixedly connected to the top of the straight plate 5, a threaded rod 8 is threadedly connected inside the horizontal plate 7, a knob 9 is fixedly connected to the top of the threaded rod 8, and the bottom end of the threaded rod 8 is rotationally connected There is a second fixing block 10, one side of the straight plate 5 is fixedly connected with a rotating rod 11, one end of the rotating rod 11 penetrates the fixed frame 3 and extends to the outside of the fixed frame 3, and the right side of the top of the bottom plate 1 is fixedly connected with a second support plate 19. The interior of the transverse plate 7 is provided with threads for use with the threaded rods 8 .

Referring to FIG. 2 , a straight rod 12 penetrates through the top of the fixing frame 3 , a connecting block 13 is fixedly connected to the bottom end of the straight rod 12 , and a clamping rod 14 is fixedly connected to the bottom of the connecting block 13 , and one end of the clamping rod 14 rotates through The rod 11 extends to the outside of the rotating rod 11 .

Please refer to FIG. 1 and FIG. 2 , the rotating rod 11 is provided with a clamping slot 15 for use with the clamping rod 14 , and one end of the rotating rod 11 located outside the fixing frame 3 is fixedly connected with a rotating handle 18 , which can be rotated through the rotating handle 18 Rotary lever 11.

Please refer to FIG. 2 , a spring 17 is sleeved on the surface of the straight rod 12 and located between the top of the inner wall of the fixed frame 3 and the top of the connecting block 13 , and the top of the straight rod 12 is fixedly connected with a handle 16 . The elastic force keeps the clamping rod 14 stable.

Referring to FIG. 1 , a U-shaped frame 20 is rotatably connected to the top of one side of the second support plate 19 , and the U-shaped frame 20 is used to define a point of the crankshaft.

Please refer to FIG. 1 , a threaded block 21 penetrates through the inside of the first support plate 2 , and a screw rod 22 is threadedly connected to the inside of the screw block 21 , and one end of the screw rod 22 is rotatably connected to the bottom of the second support plate 19 A motor 23 is fixedly connected to the left side of the top of the base plate 1, and the output shaft of the motor 23 is fixedly connected to one end of the lead screw 22. The motor 23 is a three-phase asynchronous AC motor, and is connected to an external power supply through an external power cord, and the outside is provided with a control system. The PLC controller for the forward and reverse rotation of the motor 23.

Referring to FIG. 1 , mounting blocks 24 are fixedly connected to both sides of the bottom of the bottom plate 1 , and mounting holes 25 are formed in the interior of the mounting blocks 24 .

Please refer to FIGS. 3 and 4 , the first fixing block 6 and the second fixing block 10 are arc-shaped blocks, and the crankshaft is fixedly clamped by the first fixing block 6 and the second fixing block 10 .

Working principle: When in use, place the crankshaft between the straight plate 5 and the U-shaped frame 20, the motor 23 works to drive the screw rod 22 to rotate, the screw rod 22 drives the threaded block 21 to move, and the threaded block 21 drives the first support plate 2 to move, adjust the first support plate 2. The distance between the first support plate 2 and the second support plate 19 is convenient for fixing crankshafts of different lengths, so that one end of the crankshaft is in contact with the straight plate 5, and the other end of the crankshaft is inserted into the U-shaped frame 20, and the U-shaped One side of the inner wall of the frame 20 is in contact, and the threaded rod 8 is rotated through the knob 9, and the threaded rod 8 drives the second fixing block 10 to move, and one end of the crankshaft is further fixed by the second fixing block 10 and the first fixing block 6 to improve the crankshaft in The stability during processing, the operation is simple and practical, and it is beneficial to be widely used. Pull the straight rod 12 through the handle 16 to move, so that one end of the straight rod 12 is away from the slot 15, and the rotating rod 11 can be rotated through the rotating handle 18. The rotating rod 11 Drive the straight plate 5 to rotate, and the straight plate 5 drives the crankshaft to rotate through the first fixed block 6 and the second fixed block 10, so that the crankshaft can be rotated and the processing angle of the crankshaft can be adjusted without the need for staff to remove the crankshaft to change the angle. The work efficiency is improved and the practicability of the device is improved.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass a non-exclusive inclusion such that a process, method, article or device that includes a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus. Without further limitation, an element qualified by the phrase "comprising a..." does not preclude the presence of additional identical elements in a process, method, article or apparatus that includes the element.

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (8)

1. A fixing mechanism for machining an automobile crankshaft, comprising a bottom plate (1), characterized in that: a first support plate (2) is slidably connected to the left side of the top of the bottom plate (1), and the first support plate A fixed frame (3) is fixedly connected to the top of (2), and a support column (4) is slidably connected to the top and bottom of the right side of the fixed frame (3). A straight plate (5) is fixedly connected between the straight plates (5), a first fixing block (6) is fixedly connected to the bottom of the right side of the straight plate (5), and a horizontal plate (7) is fixedly connected to the top of the straight plate (5). The inside of the plate (7) is threadedly connected with a threaded rod (8), the top end of the threaded rod (8) is fixedly connected with a knob (9), and the bottom end of the threaded rod (8) is rotatably connected with a second fixing block ( 10), a rotating rod (11) is fixedly connected to one side of the straight plate (5), and one end of the rotating rod (11) penetrates the fixing frame (3) and extends to the outside of the fixing frame (3), and the bottom plate (1) A second support plate (19) is fixedly connected to the right side of the top. 2. A fixing mechanism for automobile crankshaft machining according to claim 1, characterized in that: a straight rod (12) runs through the top of the fixing frame (3), and the bottom of the straight rod (12) runs through it. The end is fixedly connected with a connecting block (13), the bottom of the connecting block (13) is fixedly connected with a clamping rod (14), and one end of the clamping rod (14) penetrates the rotating rod (11) and extends to the rotating rod (11) ) outside. 3. A fixing mechanism for machining a crankshaft of an automobile according to claim 2, characterized in that: said rotating rod (11) is provided with a clamping groove (15) for cooperating with said clamping rod (14) A rotating handle (18) is fixedly connected to one end of the rotating rod (11) located outside the fixing frame (3). 4. A fixing mechanism for automobile crankshaft machining according to claim 2, characterized in that: the surface of the straight rod (12) is located between the top of the inner wall of the fixing frame (3) and the connecting block (13). A spring (17) is sleeved between the tops, and a handle (16) is fixedly connected to the top of the straight rod (12). 5 . The fixing mechanism for automobile crankshaft machining according to claim 1 , wherein a U-shaped frame ( 20 ) is rotatably connected to the top of one side of the second support plate ( 19 ). 6 . 6 . The fixing mechanism for automobile crankshaft machining according to claim 1 , wherein a threaded block ( 21 ) runs through the inside of the first support plate ( 2 ), and the threaded block ( 21 ) A lead screw (22) is threadedly connected to the inside of the bottom plate, one end of the lead screw (22) is rotatably connected to the bottom of one side of the second support plate (19), and a motor ( 23), the output shaft of the motor (23) is fixedly connected with one end of the lead screw (22). 7. A fixing mechanism for automobile crankshaft machining according to claim 1, characterized in that: both sides of the bottom of the bottom plate (1) are fixedly connected with mounting blocks (24), and the mounting blocks (24) ) is provided with a mounting hole (25). 8 . The fixing mechanism for automobile crankshaft machining according to claim 1 , wherein the first fixing block ( 6 ) and the second fixing block ( 10 ) are arc-shaped blocks. 9 .

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