CN212420614U

CN212420614U - Grinding device for outer circle of journal of cross axle

Info

Publication number: CN212420614U
Application number: CN202021203850.9U
Authority: CN
Inventors: 俞波波
Original assignee: Hangzhou Nantong Bearing Co ltd
Current assignee: Hangzhou Nantong Bearing Co ltd
Priority date: 2020-06-24
Filing date: 2020-06-24
Publication date: 2021-01-29
Anticipated expiration: 2030-06-24

Abstract

The utility model discloses a cross axle journal excircle grinding device, including grinding mechanism, still including feed mechanism, feed mechanism includes mounting bracket, at least two sets up on the mounting bracket and is used for placing the cross axle the installation pole, is used for driving the driving piece that the mounting bracket goes up and down, be formed with the bearing part that is the arc setting on the installation pole. This application utilizes the installation pole that has arc bearing part to place the axle head of cross to through the lift of driving piece drive installation pole, with the material loading that realizes the cross, reduce the production potential safety hazard, improve the efficiency of polishing of cross.

Description

Grinding device for outer circle of journal of cross axle

Technical Field

The utility model relates to a technical field of grinding machine, in particular to cross axle grinding device.

Background

The cross shaft is also called cross joint, i.e. universal joint, is a machine part for realizing variable-angle power transmission, is used for changing the position of the transmission axis direction, and is a joint part of a universal transmission device of an automobile driving system. The cross-shaft type rigid universal joint is a non-constant velocity universal joint widely used on automobiles, and the maximum intersection angle of two adjacent shafts is allowed to be 15-20 degrees. The cross shaft is provided with an axis inner hole and shaft ends in four directions, and the four shaft ends are all required to be ground into metal luster through a grinding machine so as to improve the processing performance of the surface of the cross shaft.

At present, the polishing device on the market is usually manually fed by workers, so that the working efficiency is low, and higher potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a but automatic feeding's cross axle excircle grinding device can improve production efficiency, reduces the potential safety hazard.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the utility model provides a cross axle journal excircle grinding device, includes grinding mechanism, still including feed mechanism, feed mechanism includes mounting bracket, at least two sets up on the mounting bracket and be used for placing the cross axle the installation pole, be used for driving the driving piece that the mounting bracket goes up and down, be formed with the bearing part that is the arc setting on the installation pole.

Through the technical scheme, the two shaft ends of the cross shaft positioned on the same straight line are placed on the bearing part of the mounting rod arranged at intervals, and the mounting frame is driven to descend through the driving piece, so that the cross shaft enters the polishing station of the polishing mechanism. The circular arc-shaped bearing part is convenient for placing the shaft end and simultaneously is convenient for the shaft end to rotate in the polishing process. After polishing the completion, the driving piece orders about the mounting bracket and rises, and operating personnel can rotate the cross 90, places two ascending axle heads in the cross another side on the installation pole that the interval set up, and the driving piece orders about the mounting bracket decline, makes the cross get into the station of polishing once more. The automatic feeding of cross axle has been realized to this application, has reduced the production potential safety hazard, is favorable to improving production efficiency.

The utility model discloses further set up to: the mounting bracket comprises a cross rod arranged in the horizontal direction, a limiting portion is arranged on the cross rod, and the mounting rod is abutted to the limiting portion through a first nut.

Through above-mentioned technical scheme, utilize the cooperation of first nut and spacing portion, on will installing the pole and being fixed in the mounting bracket fast, convenient to detach changes the installation pole under the prerequisite of guaranteeing installation pole stability.

The utility model discloses further set up to: the limiting part is a second nut.

Through the technical scheme, on one hand, the mounting rod is abutted and fixed through the first nut and the second nut, so that the position of the mounting rod in the horizontal direction can be finely adjusted conveniently, the polishing position of the cross shaft is adjusted, and the polishing effect is ensured as much as possible; on the other hand, the nut is the standard component, and the purchase is convenient, compares in the fixed spacing portion that sets up on the horizontal pole, and the processing of being convenient for saves material cost.

The utility model discloses further set up to: and gaskets are arranged between the first nut and the mounting rod and between the second nut and the mounting rod.

Through above-mentioned technical scheme, utilize the gasket to improve the area of contact of first nut and second nut and installation pole, further improve the stability of installation pole.

The utility model discloses further set up to: be formed with the joint portion that is the U type setting on the installation pole, joint portion both sides respectively with first nut and spacing portion butt.

Through the technical scheme, the U-shaped clamping part can be hung and buckled on the cross rod, so that the contact area between the mounting rod and the first nut and the contact area between the mounting rod and the second nut are increased while the mounting is facilitated, and the stability of the mounting rod is improved; in addition, the U-shaped groove of the clamping portion provides movable distance compensation of the installation rod along the vertical direction, and the axial polishing position of the shaft end of the cross shaft is convenient to adjust.

The utility model discloses further set up to: the mounting bracket still includes the inserted bar that sets up along the horizontal direction, along the mounting groove of horizontal direction division on the inserted bar, wears to locate the montant in the mounting groove, threaded connection has the adjusting nut who is fixed in the montant on the inserted bar on the montant, horizontal pole and montant fixed connection.

According to the technical scheme, the vertical rod is fixed by the nut, so that on one hand, the mounting position of the vertical rod in the vertical direction can be adjusted, and therefore the axial polishing position of the shaft end of the cross shaft is adjusted; on the other hand, the mounting position of the vertical rod in the horizontal direction and the reverse direction can be adjusted, so that the radial grinding position of the shaft end of the cross shaft is adjusted. The mounting groove provides the movable distance compensation of the vertical rod along the horizontal direction.

The utility model discloses further set up to: the two inserting rods are arranged along the vertical direction.

Through above-mentioned technical scheme, increase the area of being connected of montant and post to improve the stability after the montant installation.

The utility model discloses further set up to: the polishing device further comprises a positioning piece, and the positioning piece comprises two positioning blocks which are respectively abutted to the end parts of the two ends of the cross shaft.

Through above-mentioned technical scheme, utilize the locating piece to fix a position the cross axle both ends, reduce the skew at cross axle both ends, guarantee the precision of polishing as far as possible.

To sum up, the utility model discloses following beneficial effect has:

1. the cross shaft is placed by the bearing part with the arc-shaped arrangement, automatic feeding is achieved through the driving piece, potential safety hazards are reduced, and production efficiency is improved.

2. The mounting and fixing of the mounting rod are realized by the matching of the first nut and the second nut; meanwhile, the axial polishing position of the cross shaft is convenient to adjust.

3. Through setting up montant, inserted bar, mounting groove and adjusting nut, the cross axle axial of being convenient for is adjusted with radial position of polishing, improves the performance of drilling dress device, guarantees the effect of polishing as far as.

Drawings

FIG. 1 is a schematic overall structure diagram of a grinding device for the outer circle of a cross axle journal in the embodiment;

FIG. 2 is a schematic structural diagram of a loading mechanism in the present embodiment;

fig. 3 is a partially enlarged schematic view of a portion a in fig. 2.

Reference numerals: 1. a polishing mechanism; 11. a grinding wheel; 12. a drive wheel; 2. a feeding mechanism; 3. a mounting frame; 31. a cross bar; 32. a limiting part; 33. a first nut; 34. a second nut; 35. a gasket; 36. inserting a rod; 37. mounting grooves; 38. a vertical rod; 39. adjusting the nut; 4. mounting a rod; 41. a bearing part; 42. a clamping part; 5. a drive member; 51. a cylinder; 6. a positioning member; 61. positioning blocks; 7. a frame; 71. a slide bar; 8. a cross shaft.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, an 8 axle journal excircle grinding device of cross axle, including frame 7, be provided with grinding machanism 1 and feed mechanism 2 in the frame 7, feed mechanism 2 includes mounting bracket 3, installation pole 4 and is used for driving piece 5 that mounting bracket 3 goes up and down, installation pole 4 is provided with two at least and installs on mounting bracket 3, be formed with the bearing part 41 that is used for placing 8 axle heads of cross axle on the installation pole 4, bearing part 41 is the arc roughly, with the excircle looks adaptation of 8 axle heads of cross axle.

Referring to fig. 1 and 2, in the present embodiment, two mounting rods 4 are provided at an interval, the driving member 5 includes a sliding rod 71 and a cylinder 51 fixedly disposed on the frame 7, the mounting frame 3 is slidably connected to the sliding rod 71, and a piston rod of the cylinder 51 is fixedly connected to the mounting frame 3. The grinding mechanism 1 includes two sets of grinding wheels 11 for grinding, two sets of driving wheels 12 for abutting the cross shaft 8 against the grinding wheels 11 and driving the cross shaft 8 to rotate, and a driving mechanism (not shown in the figure), and the driving mechanism of the grinding mechanism 1 belongs to the prior art, and therefore details are not repeated.

Referring to fig. 1 and 2, in an initial state, the mounting rod 4 is located above the grinding mechanism 1, two shaft ends of the cross 8 located on the same straight line are placed on the bearing portion 41, and then the mounting frame 3 is driven to descend by the driving member 5, so that the cross 8 is located between the grinding wheel 11 and the driving wheel 12. The driving wheel 12 and the grinding wheel 11 rotate, meanwhile, the driving wheel 12 moves towards the grinding wheel 11 to enable the shaft end of the cross shaft 8 to be tightly abutted to the grinding wheel 11, the driving wheel 12 drives the cross shaft 8 to rotate on the bearing portion 41, and due to the fact that the rotating speeds of the grinding wheel 11 and the driving wheel 12 are different, the cross shaft 8 and the grinding wheel 11 generate relative friction, and therefore polishing of the excircle of the shaft neck of the cross shaft 8 is achieved.

Referring to fig. 1, the polishing mechanism 1 further includes a positioning element 6, the positioning element 6 includes two positioning blocks 61, the two positioning blocks 61 can slide along the horizontal direction, and in the polishing state, the positioning blocks 61 abut against the end of the cross shaft 8, so as to prevent the positioning blocks 61 from swinging toward the two ends cheaply, thereby improving the polishing precision.

Referring to fig. 2 and 3, the mounting bracket 3 includes a cross bar 31, a limiting portion 32 is disposed on the cross bar 31, a first nut 33 is connected to the mounting rod 4 through a screw thread, and the mounting rod 4 is fixed to the limiting portion 32 through the first nut 33. Preferably, the limiting part 32 is a second nut 34 in threaded connection with the cross rod 31, and through the matching of the first nut 33 and the second nut 34, on the premise that the mounting rod 4 is abutted to the first nut 33 and the second nut 34 to be fixed, the position of the first nut 33 and the position of the second nut 34 can be adjusted in a moving mode, so that the fine adjustment of the grinding position of the shaft end of the cross shaft 8 is realized, and the grinding precision is improved.

Referring to fig. 3, further, a gasket 35 is disposed between each of the first nut 33 and the second nut 34 and the mounting rod 4, so as to increase the abutting area of the first nut 33 and the second nut 34 against the mounting rod 4, and improve the stability of the mounting rod 4.

Referring to fig. 3, further, the upper end of the mounting rod 4 is formed with a clamping portion 42 in a U-shaped arrangement, the clamping portion 42 is clamped on the cross rod 31, and two sides of the clamping portion 42 are respectively abutted to the first nut 33 and the second nut 34.

Referring to fig. 2, the mounting bracket 3 further includes two insert rods 36 sequentially arranged along the vertical direction, the two insert rods 36 are all provided with a mounting groove 37 arranged along the horizontal direction, a vertical rod 38 penetrates through the mounting groove 37, the vertical rod 38 is connected with an adjusting nut 39 through a thread, and the vertical rod 38 is locked on the insert rods 36 through the adjusting nut 39. A washer 35 is also preferably provided between the adjusting nut 39 and the plunger 36 to increase the area of abutment.

Referring to fig. 1 and 2, the fixed vertical rod 38 is installed by using the inserted rod 36, so that the height of the vertical rod 38 can be conveniently adjusted, and the radial grinding position of the shaft end of the cross shaft 8 can be adjusted, and the grinding precision can be improved. The two inserting rods 36 improve the mounting stability of the vertical rod 38, and ensure the stability of the cross shaft 8 in the grinding process as much as possible.

The implementation principle of the embodiment is as follows:

1. two shaft ends of the cross 8 on the same line are placed on the bearing part 41, and the mounting frame 3 is driven to descend by the air cylinder 51, so that the cross 8 is located between the grinding wheel 11 and the driving wheel 12.

2. Loosening the abutting and fixing of the adjusting nut 39 on the vertical rod 38 so as to adjust the axial and radial polishing positions of the shaft end of the cross shaft 8;

3. adjusting the positions of the first nut 33 and the second nut 34 so as to finely adjust the axial grinding position of the shaft end of the cross shaft 8;

4. the grinding wheel 11 and the driving wheel 12 are started, the driving wheel 12 tightly supports the cross shaft 8 on the grinding wheel 11 and drives the cross shaft 8 to rotate on the bearing part 41, and the outer circle of the shaft neck of the cross shaft 8 is ground;

5. after polishing, the cylinder 51 drives the mounting frame 3 to ascend to the upper side of the polishing mechanism 1, and an operator rotates the cross shaft 8 by 90 degrees so as to polish the excircle of the shaft neck of the other two shaft ends of the cross shaft 8.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a cross axle journal excircle grinding device, includes grinding machanism (1), its characterized in that: still including feed mechanism (2), feed mechanism (2) include mounting bracket (3), at least two set up on mounting bracket (3) and be used for placing mounting bracket's (4), driving piece (5) that are used for driving mounting bracket (3) to go up and down, be formed with bearing part (41) that are the arc setting on mounting bracket (4).

2. The grinding device for the outer circle of the cross axle journal as claimed in claim 1, wherein: mounting bracket (3) are including horizontal pole (31) that set up along the horizontal direction, be provided with spacing portion (32) on horizontal pole (31), installation pole (4) support tightly on spacing portion (32) through first nut (33).

3. The grinding device for the outer circle of the cross axle journal as claimed in claim 2, wherein: the limiting part (32) is a second nut (34).

4. The grinding device for the outer circle of the cross axle journal as claimed in claim 3, wherein: gaskets (35) are arranged between the first nut (33) and the mounting rod (4) and between the second nut (34) and the mounting rod.

5. The grinding device for the outer circle of the cross axle journal as claimed in claim 2, wherein: be formed with joint portion (42) that are the setting of U type on installation pole (4), joint portion (42) both sides respectively with first nut (33) and spacing portion (32) butt.

6. The grinding device for the outer circle of the cross axle journal as claimed in claim 2, wherein: mounting bracket (3) still include inserted bar (36) that set up along the horizontal direction, set up mounting groove (37) on inserted bar (36) along the horizontal direction, wear to locate montant (38) in mounting groove (37), threaded connection has adjusting nut (39) on being fixed in inserted bar (36) montant (38) on montant (38), horizontal pole (31) and montant (38) fixed connection.

7. The grinding device for the outer circle of the cross axle journal as claimed in claim 6, wherein: the two inserting rods (36) are arranged in the vertical direction.

8. The grinding device for the outer circle of the cross axle journal as claimed in claim 1, wherein: the polishing device further comprises a positioning piece (6), wherein the positioning piece (6) comprises two positioning blocks (61) which are respectively abutted to the end parts of the two ends of the cross shaft.