Novel thick-wall bearing bush positioning device

Abstract

The utility model provides a novel thick-wall bearing bush positioning device which comprises a fixed disc, a left thick-wall bearing bush clamping disc is fixedly installed on the fixed disc, a movable right thick-wall bearing bush clamping disc is correspondingly installed on the fixed disc and located on the right side of the left thick-wall bearing bush clamping disc, and a stress copper ring is arranged on the outer wall of the right thick-wall bearing bush clamping disc. A power-assisted angle block is installed on the right side of the right thick-wall bearing bush clamping disc, a threaded loosening and tightening shaft transversely penetrates through the power-assisted angle block, the inner side of the threaded loosening and tightening shaft abuts against the stress copper ring, and push-out assemblies are installed on the left thick-wall bearing bush clamping disc and the right thick-wall bearing bush clamping disc. The novel thick-wall bearing bush positioning device is simple in structure and convenient to operate, the thick-wall bearing bush can be quickly positioned, mounted and locked, the machining precision and quality of the thick-wall bearing bush are improved, and the thick-wall bearing bush can be quickly withdrawn from the clamp by arranging the bearing bush push-out assembly.

Description

TECHNICAL FIELD

[0001] The utility model relates to a bush processing technical field, concretely relates to a novel thick wall bush positioning device. BACKGROUND

[0002] Thick wall bush and axle neck contact, present tile shape semicylindrical surface, surface smooth, it is a kind of part for protecting axle, is made of alloy. Axle neck is directly wrapped by two pieces of thick wall bush, adds lubricating oil, is used to reduce the friction and wear between axle and thick wall bush, prolongs the service life of axle and thick wall bush. Thick wall bush usually has different diameter, different width, different thickness or different internal structure to adapt to different types of axle. In heavy machinery equipment, thick wall bush is an important part, is widely used in mechanical transmission, speed increasing and reducing and rotation etc.

[0003] Thick wall bush manufacturing process can be casting, can be alloy plate stamping. Casting process is to pour a layer of bearing alloy on the inner surface side of thick wall bush, can improve the friction performance of bush inner wall. Alloy plate stamping process is that base and alloy layer are combined in plate making process, and when stamping, alloy layer is as bush inner side, and base is as bush outer lining.

[0004] Thick wall bush needs to be clamped and positioned before being turned and milled in alloy plate stamping process, and the end face and inner wall of thick wall bush are turned and milled, but in actual turning and milling process, two pieces of thick wall bush are prone to loosen, deform, even to be off, which leads to poor processing quality and precision of thick wall bush, and how to quickly exit bush from clamp after processing is also a technical problem urgently to be solved in the field. UTILITY MODEL CONTENTS

[0005] In view of the deficiency of prior art, the utility model provides a novel thick wall bush positioning device, which is simple in structure, convenient to operate, can realize quick positioning installation and locking of thick wall bush, improve processing precision and quality of thick wall bush, and by setting bush pushing-out assembly, thick wall bush can be quickly exited from clamp.

[0006] To achieve the above technical scheme, the utility model provides a novel thick -walled bearing positioning device, include: fixed disc, the fixed disc is fixedly installed with semicircle left thick -walled bearing clamping disc, the fixed disc is located the right side of left thick -walled bearing clamping disc and is correspondingly installed with movable semicircle right thick -walled bearing clamping disc, the outer wall of right thick -walled bearing clamping disc is provided with force copper ring, the right side installation of right thick -walled bearing clamping disc has the force angle block of helping, and the inside of screw thread tight -loose shaft and force copper ring are opposite, the side wall of left thick -walled bearing clamping disc and right thick -walled bearing clamping disc is provided with corresponding guide column hole, concentric shaft guide column is installed in guide column hole, the top of left thick -walled bearing clamping disc and right thick -walled bearing clamping disc is provided with two eccentric shaft holes, and each eccentric shaft hole is installed with rotating eccentric shaft, the inner side of left thick -walled bearing clamping disc and right thick -walled bearing clamping disc is provided with the push -out copper pole installation hole that communicates with eccentric shaft hole transversely, push -out copper pole is installed in push -out copper pole installation hole, and the inner end of push -out copper pole and rotating eccentric shaft are opposite.

[0007] In the above technical scheme, in actual work, only need to gently place thick -walled bearing between left thick -walled bearing clamping disc and right thick -walled bearing clamping disc, spanner rotates screw thread tight -loose shaft and pushes force copper ring, under the guidance of concentric shaft guide column, so that right thick -walled bearing clamping disc gradually approaches left thick -walled bearing clamping disc, and thick -walled bearing is fixed, and the friction force that pressure is converted is the rotation and axial movement of thick -walled bearing, and the position does not change with positioning device in the process of lathe milling thick -walled bearing end face and inner wall, and the lathe milling is smoothly completed.When lathe milling ends, rotate tight -loose shaft with spanner and make right thick -walled bearing clamping disc gradually away from left thick -walled bearing clamping disc, and again leave a few millimeters gap between two thick -walled bearings, rotate rotating eccentric shaft with internal hexagon spanner, push out the push -out copper pole originally hidden in clamping disc interior, and left thick -walled bearing clamping disc and right thick -walled bearing clamping disc each have two push -out copper poles, under the simultaneous action of two push -out copper poles, slowly push thick -walled bearing out, so that thick -walled bearing can be quickly withdrawn from the fixture.

[0008] Preferably, the two push -out copper pole installation holes on the inner side of left thick -walled bearing clamping disc or right thick -walled bearing clamping disc are arranged at an angle of 45 °, so that thick -walled bearing can be quickly withdrawn from left thick -walled bearing clamping disc or right thick -walled bearing clamping disc by two push -out copper poles.

[0009] Preferably, a guide column sleeve is installed in the guide column hole on the left thick -walled bearing clamping disc, and the outer side of the guide column sleeve is filled with epoxy resin, so that the concentric shaft guide column can better move and guide in the guide column hole.

[0010] Preferably, the assisting angle block is arranged in L shape, and the bottom of the L-shaped assisting angle block is fixed between the fixed disc through screws, so that the assisting angle block can better provide assistance for the threaded tension shaft.

[0011] Preferably, the top of the rotating eccentric shaft is provided with an internal hexagonal groove, and the bottom outer wall of the rotating eccentric shaft is provided with an eccentric arc-shaped groove, and the inner end of the push-out copper rod is abutted against the eccentric arc-shaped groove arranged on the rotating eccentric shaft. In actual work, when the internal hexagonal wrench is used to rotate the rotating eccentric shaft, the push-out copper rod can be pushed outwards through the pushing force between the eccentric arc-shaped groove and the push-out copper rod, and the thick-wall bearing bush is pushed outwards.

[0012] The novel thick-wall bearing bush positioning device has the advantages that the structure is simple, the operation is convenient, the quick positioning, installation and locking of the thick-wall bearing bush can be realized, the machining precision and quality of the thick-wall bearing bush are improved, the thick-wall bearing bush can be quickly pushed out from the clamp through the setting of the bearing bush push-out assembly, in actual work, the thick-wall bearing bush is only needed to be gently placed between the left thick-wall bearing bush clamping disc and the right thick-wall bearing bush clamping disc, the threaded tension shaft is rotated by using the wrench to push the stressed copper ring, the right thick-wall bearing bush clamping disc gradually approaches the left thick-wall bearing bush clamping disc under the guidance of the concentric shaft guide column, the thick-wall bearing bush is fixed, the pressure is converted into the friction force for restricting the rotation and axial movement of the thick-wall bearing bush, the position of the positioning device does not change in the process of turning and milling the end face and inner wall of the thick-wall bearing bush, and the turning and milling can be smoothly completed. When the turning and milling is completed, the right thick-wall bearing bush clamping disc gradually moves away from the left thick-wall bearing bush clamping disc by rotating the tension shaft by using the wrench, a gap of several millimeters is left between the two thick-wall bearing bushes again, the rotating eccentric shaft is rotated by using the internal hexagonal wrench, the push-out copper rod originally hidden in the clamping disc is pushed out, the left thick-wall bearing bush clamping disc and the right thick-wall bearing bush clamping disc each have two push-out copper rods, the thick-wall bearing bush is slowly pushed out under the simultaneous action of the two push-out copper rods, and therefore the thick-wall bearing bush can be quickly pushed out from the clamp, and the operation is very convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 It is a three-dimensional structure schematic view of the utility model.

[0014] Fig. 2 It is a sectional view of the push-out assembly of the utility model.

[0015] Fig. 3 It is a three-dimensional structure explosion schematic view of the utility model.

[0016] Fig. 4 It is a sectional view of the left thick-wall bearing bush clamping disc, the right thick-wall bearing bush clamping disc and the concentric shaft guide column of the utility model.

[0017] In the figure: 1, fixed disc; 2, left thick-wall bearing bush clamping disc; 3, right thick-wall bearing bush clamping disc; 4, concentric shaft guide column; 5, force copper ring; 6, threaded loose shaft; 7, power angle block; 8, rotating eccentric shaft; 9, push-out copper pole; 10, thick-wall bearing bush; 11, guide column sleeve; 12, epoxy resin. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. All other embodiments obtained by the ordinary people in the art without creative labor are within the protection scope of the utility model.

[0019] Embodiment: a novel thick-wall bearing bush positioning device.

[0020] Referring to Figs. 1 to 4 As shown in the figure, a novel thick-wall bearing bush positioning device comprises a fixed disc 1, a semicircular left thick-wall bearing bush clamping disc 2 is fixedly installed on the fixed disc 1, the left thick-wall bearing bush clamping disc 2 is fixed, a movable semicircular right thick-wall bearing bush clamping disc 3 is correspondingly installed on the right side of the fixed disc 1 and corresponds to the left thick-wall bearing bush clamping disc 2, when the semicircular left thick-wall bearing bush clamping disc 2 and the semicircular right thick-wall bearing bush clamping disc 3 are pasted, a complete thick-wall bearing bush 10 clamp is formed.

[0021] A force copper ring 5 is arranged on the outer wall of the right thick-wall bearing bush clamping disc 3, a power angle block 7 is installed on the right side of the right thick-wall bearing bush clamping disc 3, the power angle block 7 is arranged in L shape, the bottom of the L-shaped power angle block 7 is fixed by a screw between the fixed disc 1, so that the power angle block 7 can better provide power for the threaded loose shaft 6, the threaded loose shaft 6 penetrates the power angle block 7 in the transverse direction, and the inner side of the threaded loose shaft 6 abuts against the force copper ring 5, in actual work, the threaded loose shaft 6 is twisted to extrude the force copper ring 5, then the right thick-wall bearing bush clamping disc 3 is pushed to move leftward and is pasted and locked with the left thick-wall bearing bush clamping disc 2.

[0022] Corresponding guide column holes are arranged on the side walls of the left thick-wall bearing bush clamping disc 2 and the right thick-wall bearing bush clamping disc 3, a concentric shaft guide column 4 is installed in the guide column holes, the concentric shaft guide column 4 ensures that the right thick-wall bearing bush clamping disc 3 moves in the direction guided by the concentric shaft guide column 4, and ensures that the left thick-wall bearing bush clamping disc 2 and the right thick-wall bearing bush clamping disc 3 are accurately positioned. A guide column sleeve 11 is installed in the guide column hole arranged on the left thick-wall bearing bush clamping disc 2, and the outer side of the guide column sleeve 11 is filled with epoxy resin 12, so that the concentric shaft guide column 4 can better move and guide in the guide column hole.

[0023] The top surface of the left thick-wall bearing bush clamping disc 2 and the right thick-wall bearing bush clamping disc 3 is provided with two eccentric shaft holes, and a rotating eccentric shaft 8 is installed in each eccentric shaft hole. The inner side surface of the left thick-wall bearing bush clamping disc 2 and the right thick-wall bearing bush clamping disc 3 is provided with a push-out copper rod installation hole which is transversely communicated with the eccentric shaft hole, and a push-out copper rod 9 is installed in the push-out copper rod installation hole, and the inner end of the push-out copper rod 9 is in abutment with the rotating eccentric shaft 8. The top of the rotating eccentric shaft 8 is provided with an inner hexagonal groove, and the bottom outer wall of the rotating eccentric shaft 8 is provided with an eccentric arc-shaped groove, and the inner end of the push-out copper rod 9 is in abutment with the eccentric arc-shaped groove provided on the rotating eccentric shaft 8. In actual work, when the inner hexagonal wrench is used to rotate the rotating eccentric shaft 8, the push-out copper rod 9 can be pushed outwards through the thrust force between the eccentric arc-shaped groove and the push-out copper rod 9, and the thick-wall bearing bush 10 is pushed to move outwards, so that the thick-wall bearing bush can be quickly withdrawn from the left thick-wall bearing bush clamping disc 2 or the right thick-wall bearing bush clamping disc 3. The two push-out copper rod installation holes provided on the inner side surface of the left thick-wall bearing bush clamping disc 2 or the right thick-wall bearing bush clamping disc 3 are arranged at an angle of 45°, so as to better quickly withdraw the thick-wall bearing bush 10 from the left thick-wall bearing bush clamping disc 2 or the right thick-wall bearing bush clamping disc 3 through the two push-out copper rods 9.

[0024] The thick-wall bearing bush positioning device has simple structure and convenient operation, can realize quick positioning and installation and locking of the thick-wall bearing bush, improve the machining precision and quality of the thick-wall bearing bush, and can quickly withdraw the thick-wall bearing bush from the clamp through the setting of the bearing bush push-out assembly. In actual work, the thick-wall bearing bush is only needed to be gently placed between the left thick-wall bearing bush clamping disc and the right thick-wall bearing bush clamping disc, the wrench is used to rotate the threaded tension shaft to push the stressed copper ring, and the right thick-wall bearing bush clamping disc is gradually close to the left thick-wall bearing bush clamping disc under the guiding action of the concentric shaft guide column, so as to fix the thick-wall bearing bush, the pressure is converted into the friction force which restricts the rotation and axial movement of the thick-wall bearing bush, the position of the positioning device does not change in the process of turning and milling the end surface and inner wall of the thick-wall bearing bush, and the turning and milling is smoothly completed. When the turning and milling is completed, the wrench is used to rotate the tension shaft to gradually move the right thick-wall bearing bush clamping disc away from the left thick-wall bearing bush clamping disc, and a gap of several millimeters is left between the two thick-wall bearing bushes again, the inner hexagonal wrench is used to rotate the rotating eccentric shaft, the push-out copper rod originally hidden in the clamping disc is pushed out, the left thick-wall bearing bush clamping disc and the right thick-wall bearing bush clamping disc each have two push-out copper rods, the thick-wall bearing bush is slowly pushed out under the simultaneous action of the two push-out copper rods, and the thick-wall bearing bush can be quickly withdrawn from the clamp, and the operation is very convenient.

[0025] The novel thick-wall bearing positioning device has simple structure and convenient operation, can realize quick positioning, installation and locking of the thick-wall bearing, improves the machining precision and quality of the thick-wall bearing, and can quickly push out the thick-wall bearing from the clamp through the setting of the bearing pushing-out assembly. In actual work, only the thick-wall bearing 10 is gently placed between the left thick-wall bearing clamping disc 2 and the right thick-wall bearing clamping disc 3, the wrench rotates the threaded tension shaft 6 to push the stressed copper ring 5, so that the right thick-wall bearing clamping disc 3 gradually approaches the left thick-wall bearing clamping disc 2, the opening elastic force of the thick-wall bearing 10 and the pressure generated by the abutting thick-wall bearing clamping disc fix the thick-wall bearing 10, the pressure is converted into friction force to restrict the rotation and axial movement of the thick-wall bearing 10, the position of the positioning device does not change in the process of turning and milling the end face and inner wall of the thick-wall bearing 10, and the turning and milling is smoothly completed. The pushing-out assembly is always in the clamping disc during the turning and milling process, when the turning and milling is completed, the wrench is rotated to rotate the tension shaft 6, so that the right thick-wall bearing clamping disc 3 gradually moves away from the left thick-wall bearing clamping disc 5, a gap of several millimeters is left between the two thick-wall bearings 10 again, the inner hexagonal wrench is rotated to rotate the rotating eccentric shaft 8, the pushing-out copper rod 9 originally hidden in the clamping disc is pushed out, the left thick-wall bearing clamping disc 2 and the right thick-wall bearing clamping disc 3 each have two pushing-out copper rods 9, under the simultaneous action, the thick-wall bearing 10 is slowly pushed out, the discharging in this process is convenient, and the safety and stability of the turning and milling process are ensured, and the production efficiency is improved.

[0026] The above is a preferred embodiment of the present application, but the present application should not be limited to the content disclosed in the embodiment and the drawings, so any equivalent or modification completed without departing from the spirit of the present application falls within the protection scope of the present application.

Claims

1. A novel thick walled bearing bush positioning device characterised in that The utility model relates to a left thick wall bearing bush clamping disc and right thick wall bearing bush clamping disc fixing device, which comprises a fixed disc, a left thick wall bearing bush clamping disc fixedly installed on the fixed disc, a movable right thick wall bearing bush clamping disc corresponding installed on the right side of the left thick wall bearing bush clamping disc on the fixed disc, a stress copper ring arranged on the outer wall of the right thick wall bearing bush clamping disc, a power angle block installed on the right side of the right thick wall bearing bush clamping disc, a threaded tension shaft penetrating through the power angle block in the transverse direction, and the inner side of the threaded tension shaft is in abutment with the stress copper ring, corresponding guide column holes are arranged on the side walls of the left thick wall bearing bush clamping disc and the right thick wall bearing bush clamping disc, concentric shaft guide columns are installed in the guide column holes, two eccentric shaft holes are arranged on the top surfaces of the left thick wall bearing bush clamping disc and the right thick wall bearing bush clamping disc, rotating eccentric shafts are installed in the eccentric shaft holes, push-out copper rod mounting holes, which are in transverse communication with the eccentric shaft holes, are arranged on the inner side surfaces of the left thick wall bearing bush clamping disc and the right thick wall bearing bush clamping disc, push-out copper rods are mounted in the push-out copper rod mounting holes, and the inner ends of the push-out copper rods are in abutment with the rotating eccentric shafts. The two push-out copper rod mounting holes arranged on the inner side surfaces of the left thick wall bearing bush clamping disc or the right thick wall bearing bush clamping disc are arranged at an angle of 45 degrees.

2. A novel thick-wall bearing bush positioning device as claimed in claim 1, characterized in that: A guide column sleeve is installed in the guide column hole arranged on the left thick wall bearing bush clamping disc, and the outer side of the guide column sleeve is filled with epoxy resin.

3. A novel thick-wall bearing bush positioning device as claimed in claim 1, wherein: The power angle block is arranged in an L shape, and the bottom of the L-shaped power angle block is fixed between the fixed disc through a screw.

4. A novel thick-wall bearing bush positioning device as claimed in claim 1, wherein: The top of the rotating eccentric shaft is provided with an internal hexagonal groove, the bottom outer wall of the rotating eccentric shaft is provided with an eccentric arc-shaped groove, and the inner end of the push-out copper rod is in abutment with the eccentric arc-shaped groove arranged on the rotating eccentric shaft.

5. A novel thick-wall bearing bush positioning device as claimed in claim 1, wherein: ​

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