CN113146517B - Assembly fixture for bearing production - Google Patents

Abstract

The invention discloses an assembly tool for bearing production, which comprises an installation frame and four driving screw rods, wherein the four driving screw rods are installed in the installation frame; the bearing clamp is arranged inside the mounting frame and used for clamping the bearing, and the driving device is arranged at one end of the mounting frame; rotation axis anchor clamps, rotation axis anchor clamps are equipped with threely, and evenly distributed installs inside the mounting bracket, press from both sides tightly the rotation axis in step through four clamping device of three rotation axis anchor clamps inside, it is outside to make whole mechanism be fixed in the rotation axis, and can guarantee that the rotation axis is located mechanism central point, use the clamp of bearing anchor clamps can accomplish the clamp of bearing, use the drive handle simultaneously can be to the even application of force of bearing and remove, can guarantee when the bearing removes when being convenient for operate just to the rotation axis, avoid leading to the bearing to damage for the application of force is uneven, avoid sharp-pointed position fish tail bearing internal surfaces such as the spline of rotation axis simultaneously.

Description

Assembly fixture for bearing production

Technical Field

The invention relates to the technical field of bearing mounting tools, in particular to an assembly tool for bearing production.

Background

In the installation of bearing, for the operating condition of bearing, so need interference fit to install in the outside of axle or the inboard in hole for need the terminal surface application of force to the bearing in the installation, prior art generally adopts the mode of manual striking to install.

However, the condition of uneven force application is easily caused by a manual knocking mode, on one hand, damage is easily caused due to the fact that normal installation is affected, on the other hand, sharp surfaces such as splines are arranged on the surfaces of some rotating shafts, the inner surface of a bearing is easily scratched due to manual installation, on the other hand, a hand is easily injured due to errors in the manual knocking mode, and therefore the assembling tool for bearing production is provided.

Disclosure of Invention

The invention aims to provide an assembly tool for bearing production, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides an assembly fixture is used in bearing production, includes:

the four driving screw rods are arranged inside the mounting frame;

the bearing fixture is arranged inside the mounting frame, the bearing fixture is used for clamping the bearing, and the driving device is arranged at one end of the mounting frame and is used for controlling the bearing fixture to complete bearing installation;

the rotating shaft fixture is three and is uniformly distributed and installed inside the installation frame, and the installation fixture is used for fixing the mechanism outside the rotating shaft so as to complete bearing installation.

Preferably, the driving device comprises four first bevel gears, four second bevel gears meshed with the first bevel gears, four third bevel gears, driving bevel gears meshed with the four third bevel gears and a driving handle, four driving grooves are formed in four sides of the mounting frame, two ends of each driving screw rod are respectively and rotatably connected to two ends of each driving groove through bearings, the four first bevel gears are rotatably connected to one end, away from the driving screw rods, of the mounting frame through bearings, one side of each first bevel gear is fixedly connected with one end of each driving screw rod, eight driving blocks which are uniformly distributed are fixed at one end, close to the first bevel gears, of the mounting frame, driving cylinders are arranged inside two adjacent driving blocks, two ends of each driving cylinder are respectively and rotatably connected with the two driving blocks through bearings, and the four second bevel gears are respectively installed at one sides, away from the driving cylinders, of the four driving blocks, close to the first bevel gears, and one side is connected fixedly with four drive cylinder one ends respectively, four the third bevel gear is installed respectively in four drive blocks of keeping away from first bevel gear and is kept away from drive cylindrical one side, and one side is kept away from the one end of second bevel gear with four drive cylinders respectively and is connected fixedly, drive bevel gear one side is rotated through the bearing and is connected in the mounting bracket near the one end of drive cylinder, one side that drive bevel gear kept away from the mounting bracket is equipped with passive strong, drive handle one end is equipped with the initiative key that meshes with passive strong mutually, removes through handheld drive handle for initiative key and passive strong mesh mutually, can rotate drive bevel gear through the drive handle, and then drive four drive lead screws and carry out synchronous rotation.

Preferably, the bearing clamp comprises a movable ring, four clamping telescopic rods, four clamping springs, four clamping arc rods and four movable blocks, wherein the four movable blocks are respectively fixed on four sides of the movable ring, the four movable blocks are respectively connected inside four driving grooves in a sliding manner and are provided with threaded holes in threaded connection with driving screws, one ends of the four clamping telescopic rods are respectively fixed on the inner side of the movable ring, the four clamping arc rods are respectively fixed on one ends of the four clamping telescopic rods away from the movable ring, one ends of the four clamping arc rods are provided with opening and closing grooves, one ends of the four clamping arc rods away from the opening and closing grooves are fixedly provided with opening and closing blocks which are attached to the opening and closing grooves, the four clamping telescopic rods are respectively arranged at the outer edges of the four clamping telescopic rods, two ends of the four clamping telescopic rods are respectively fixedly connected with the movable ring and the clamping arc rods, two first inclined blocks are fixed on two sides of the movable ring, and one sides of the four clamping arc rods are provided with supporting arc plates, the handheld bearing presses the bearing inside four tight arc poles of clamp, presss from both sides tight telescopic link and clamp spring's shortening and reset effect down can press from both sides tight with four tight arc poles of clamp with the bearing inside, and the synchronous rotation through four drive lead screws drives movable ring and removes after week, can be to the even power of potential of bearing, and guarantees to remove in-process bearing position just to the rotation axis, avoids spline fish tail bearing internal surface.

Preferably, the rotating shaft clamp comprises a movable plate, a control plate, a clamping frame, four clamping cylinders, four clamping springs and two control rods, wherein the clamping frame and the control plate are fixed on the outer edge of the mounting frame, one ends of the four clamping cylinders are fixed on four ends of the clamping frame, one ends of the clamping cylinders far away from the clamping frame are respectively fixed on four ends of the control plate, through holes in sliding connection with the clamping cylinders are formed in the four ends of the movable plate, the four clamping springs are respectively arranged on the outer edges of the four clamping cylinders, two ends of the clamping springs are respectively connected and fixed with the clamping frame and the movable plate, control ports are formed in two sides of the control plate, one ends of the two control rods are fixed on one side, close to the control plate, of the movable plate and penetrate through the control ports, a first sawtooth structure is arranged on one side of the control rods, two support supporting plates are fixed on one side, far away from the movable plate, and two supporting telescopic rods are fixed on one side, close to the control plate, two the one end that the backup pad was kept away from to the support telescopic link is fixed with the control curved bar, the support telescopic link outer fringe is equipped with supporting spring, the supporting spring both ends are connected fixedly with backup pad and control curved bar respectively, control curved bar both ends are equipped with two second sloping blocks of laminating mutually with first sloping block, one side that the control curved bar is close to the second sloping block is equipped with the second sawtooth structure that meshes mutually with first sawtooth structure, four sides of clamp frame are equipped with four clamping device, accomplish the tight fixed back of clamp of bearing, put into the mechanism with the rotation axis inside to make rotation axis mechanical surface contact with the clamp frame one side of a rotation axis anchor clamps, can compress clamping spring through the manual removal fly leaf, under the meshing effect of first sawtooth structure and second sawtooth structure simultaneously, make the dead activity board position of automatic lock when stopping moving.

Preferably, the clamping device comprises two deflection rods, two deflection blocks and two clamping rods, one end of each deflection rod is rotatably connected to one side of the movable plate close to the clamping frame, one side of the clamping frame close to the movable plate is provided with a deflection groove, the two deflection blocks are slidably connected inside the deflection groove, one ends of the two deflection rods far away from the movable plate are respectively rotatably connected with the two deflection blocks, one ends of the two clamping rods are respectively rotatably connected to one ends of the two deflection blocks far away from the deflection rods, one ends of the two clamping rods far away from the deflection blocks are mutually rotatably connected, one ends of the two clamping rods far away from the deflection blocks are fixedly provided with clamping bent rods convenient for clamping the rotating shaft, the deflection rods of the four clamping devices can be controlled to synchronously deflect by moving the movable plate to drive the deflection blocks to synchronously approach, and then the two clamping rods are controlled to deflect, so that the two clamping bent rods can extend out and are mutually closed to be contacted with the rotating shaft, fixed two tight curved bars of clamp accomplish the clamp of rotation axis under the interact of first sawtooth structure and second sawtooth structure, three rotation axis anchor clamps are accomplished to press from both sides and are pressed from both sides tightly and can be accomplished whole mechanism and be fixed in the rotation axis outer fringe, can be through drive handle removal bearing, before removing to a rotation axis anchor clamps, can release the control lever under the interact of first sloping block and second sloping block, make rotation axis anchor clamps open, make bearing anchor clamps pass through, can control rotation axis anchor clamps again after through and press from both sides tight fixedly, remove the bearing to mounting bracket one end and can accomplish the installation, the reversal drive handle can be taken bearing anchor clamps out and accomplish and reset, so that use next time.

Preferably, the fly leaf both ends are equipped with and are convenient for pinch the board of pinching in order to remove, are convenient for manually pinch the board of pinching and remove the fly leaf.

Preferably, support cylinders are arranged between every two three rotating shaft clamps, and two ends of each support cylinder are fixedly connected with the adjacent rotating shaft clamps respectively, so that the stability of the three rotating shaft clamps is improved.

Preferably, the mutual contact surface of the deflection groove and the deflection block is a smooth surface, so that the friction force borne by the deflection block during movement is reduced.

Compared with the prior art, the invention has the beneficial effects that:

the rotation axis is clamped synchronously by four clamping devices inside the three rotation axis clamps, so that the whole mechanism is fixed outside the rotation axis, the rotation axis can be ensured to be positioned at the central position of the mechanism, the bearing can be clamped by using the bearing clamp, the bearing can be uniformly applied by using the driving handle and can be moved, the bearing can be ensured to be right opposite to the rotation axis when moved when being convenient for operation, the bearing damage caused by the nonuniform application of force is avoided, and the inner surface of the bearing is prevented from being scratched by sharp positions such as splines of the rotation axis.

Drawings

FIG. 1 is an overall schematic view of the present invention;

FIG. 2 is a back view of the present invention;

FIG. 3 is an expanded view of the present invention;

FIG. 4 is an enlarged view of area A of FIG. 1;

FIG. 5 is an enlarged view of area B of FIG. 1;

FIG. 6 is an enlarged view of area C of FIG. 2;

FIG. 7 is an enlarged view of area D of FIG. 2;

FIG. 8 is an enlarged view of area E in FIG. 3;

fig. 9 is an enlarged view of region F in fig. 3.

In the figure: 1-a mounting rack; 2-driving a screw rod; 3-a drive device; 4-a bearing fixture; 5-rotating the shaft clamp; 6-a first bevel gear; 7-a second bevel gear; 8-a third bevel gear; 9-driving the bevel gear; 10-a driving grip; 11-a drive slot; 12-a drive block; 13-a drive cylinder; 14-a passive bond; 15-active bond; 16-a movable ring; 17-clamping the telescopic rod; 18-a clamping spring; 19-clamping the arc rod; 20-a movable block; 21-opening and closing the groove; 22-a folding block; 23-a first swash block; 24-a support arc plate; 25-a movable plate; 26-a control panel; 27-a clamping frame; 28-clamping cylinder; 29-a control lever; 30-a control port; 31-a first saw tooth structure; 32-a support plate; 33-supporting the telescopic rod; 34-a control crank; 35-a support spring; 36-a second swash block; 37-a second saw tooth structure; 38-a clamping device; 39-deflection bar; 40-deflection block; 41-clamping rod; 42-deflection slot; 43-clamping a curved bar; 44-kneading the plate; 45-support cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: the assembly fixture for bearing production is simple and rapid to operate, can uniformly apply force to a bearing, ensures that the bearing is opposite to a rotating shaft when moving, and avoids damage and scratches, and comprises an installation frame 1 and four driving screw rods 2, wherein the four driving screw rods 2 are installed inside the installation frame 1; the bearing clamp 4 is installed inside the installation frame 1, the bearing clamp 4 is used for clamping a bearing, and the driving device 3 is installed at one end of the installation frame 1 and used for controlling the bearing clamp 4 to complete bearing installation; the bearing mounting structure comprises a rotating shaft clamp 5, wherein the rotating shaft clamp 5 is three and is uniformly distributed and mounted inside a mounting frame 1, the mounting clamp is used for fixing a mechanism outside a rotating shaft, so that bearing mounting is completed, clamping of the bearing is completed through a bearing clamp 4, the whole mechanism can be fixed outside the rotating shaft through the rotating shaft clamp 5, and the bearing can be mounted through a driving device 3.

The driving device 3 comprises four first bevel gears 6, four second bevel gears 7 meshed with the first bevel gears 6, four third bevel gears 8, driving bevel gears 9 meshed with the four third bevel gears 8 and a driving handle 10, four driving grooves 11 are formed in four sides of the mounting frame 1, two ends of each driving screw rod 2 are respectively connected to two ends of each driving groove 11 through bearings in a rotating mode, the four first bevel gears 6 are connected to one end, away from the driving screw rods 2, of the mounting frame 1 through bearings in a rotating mode, one side of each driving screw rod is respectively connected and fixed with one end of each driving screw rod 2, eight driving blocks 12 which are evenly distributed are fixed to one end, close to the first bevel gears 6, of the mounting frame 1, driving cylinders 13 are arranged inside two adjacent driving blocks 12, two ends of each driving cylinder 13 are respectively connected with the two driving blocks 12 through bearings in a rotating mode, and the four second bevel gears 7 are respectively installed on the four driving blocks 12, close to the first bevel gears 6, and are far away from the driving cylinders 13, and one side is connected fixedly with four drive cylinder 13 one end respectively, four third bevel gear 8 is installed respectively in four drive block 12 of keeping away from first bevel gear 6 and is kept away from one side of drive cylinder 13, and one side is connected fixedly with the one end that four drive cylinder 13 kept away from second bevel gear 7 respectively, drive bevel gear 9 one side is rotated through the bearing and is connected in the one end that mounting bracket 1 is close to drive cylinder 13, one side that drive bevel gear 9 kept away from mounting bracket 1 is equipped with passive key 14, drive handle 10 one end is equipped with and is strengthened 14 engaged with passively and initiatively key 15, removes through handheld drive handle 10 for initiatively key 15 and passive key 14 mesh mutually, can rotate drive bevel gear 9 through drive handle 10, and then drive four drive lead screws 2 and carry out synchronous rotation.

Meanwhile, the bearing clamp 4 comprises a movable ring 16, four clamping telescopic rods 17, four clamping springs 18, four clamping arc rods 19 and four movable blocks 20, wherein the four movable blocks 20 are respectively fixed on four sides of the movable ring 16, the four movable blocks 20 are respectively connected inside four driving grooves 11 in a sliding manner and are provided with threaded holes in threaded connection with driving screw rods 2, one ends of the four clamping telescopic rods 17 are respectively fixed on the inner side of the movable ring 16, the four clamping arc rods 19 are respectively fixed on one ends of the four clamping telescopic rods 17 away from the movable ring 16, one ends of the four clamping arc rods 19 are provided with opening and closing grooves 21, one ends of the four clamping arc rods 21 away from the opening and closing grooves 21 are fixedly provided with opening and closing blocks 22 attached to the opening and closing grooves 21, the four clamping telescopic rods 17 are respectively arranged on the outer edges of the four clamping telescopic rods 17, and two ends of the four clamping telescopic rods are respectively connected and fixed with the movable ring 16 and the clamping arc rods 19, the 16 both sides of activity ring are fixed with two first sloping blocks 23, four it is equipped with the support arc board 24 to press from both sides tight arc pole 19 one side, and handheld bearing presses down the bearing inside four tight arc poles of clamp, can press from both sides tight telescopic link 17 and clamping spring 18 shorten with the reset action down can press from both sides tight arc pole 19 with the bearing tightly with four tight arc poles of clamp, the synchronous rotation through four drive lead screw 2 after week drives activity ring 16 and removes, can be to the even potential power of bearing, and guarantee to remove in-process bearing position just to the rotation axis, avoid spline fish tail bearing internal surface.

Meanwhile, the rotating shaft clamp 5 comprises a movable plate 25, a control plate 26, a clamping frame 27, four clamping cylinders 28, four clamping springs 18 and two control rods 29, wherein the clamping frame 27 and the control plate 26 are fixed at the outer edge of the mounting frame 1, one ends of the four clamping cylinders 28 are fixed at four ends of the clamping frame 27, and one ends of the control plate 26, which are far away from the clamping frame 27, are respectively fixed at four ends of the control plate 26, through holes are formed at four ends of the movable plate 25 and are connected with the clamping cylinders 28 in a sliding manner, the four clamping springs 18 are respectively arranged at the outer edges of the four clamping cylinders 28, and two ends of the four clamping cylinders are respectively connected and fixed with the clamping frame 27 and the movable plate 25, control ports 30 are formed at two sides of the control plate 26, one ends of the two control rods 29 are fixed at one side of the movable plate 25, which is close to the control plate 26, and run through the control ports 30, a first sawtooth structure 31 is arranged at one side of the control rod 29, and two support plates 32 are fixed at one side of the control plate 26, which is far away from the movable plate 25, two supporting telescopic rods 33 are fixed on one side of the supporting plate 32 close to the control plate 26, a control curved rod 34 is fixed on one end of each of the two supporting telescopic rods 33 far from the supporting plate 32, a supporting spring 35 is arranged on the outer edge of the supporting telescopic rod 33, two ends of the supporting spring 35 are respectively connected and fixed with the supporting plate 32 and the control curved rod 34, two ends of the control curved rod 34 are provided with two second inclined blocks 36 attached to the first inclined blocks 23, one side of the control curved rod 34 close to the second inclined blocks 36 is provided with second sawtooth structures 37 engaged with the first sawtooth structures 31, four sides of the clamping frame 27 are provided with four clamping devices 38, after the clamping and fixing of the bearing are completed, the rotating shaft is placed in the mechanism, the mechanical surface of the rotating shaft is in contact with one side of the clamping frame 27 of one rotating shaft clamp 5, and the clamping spring 18 can be compressed by manually moving the movable plate 25, and simultaneously, under the meshing action of the first sawtooth structure 31 and the second sawtooth structure 37, the movable plate 25 is automatically locked when the movement is stopped.

Wherein, the clamping device 38 comprises two deflecting rods 39, two deflecting blocks 40 and two clamping rods 41, one end of each of the two deflecting rods 39 is rotatably connected to one side of the movable plate 25 close to the clamping frame 27, one side of the clamping frame 27 close to the movable plate 25 is provided with a deflecting groove 42, the two deflecting blocks 40 are slidably connected inside the deflecting groove 42, one ends of the two deflecting rods 39 far away from the movable plate 25 are respectively rotatably connected with the two deflecting blocks 40, one ends of the two clamping rods 41 are respectively rotatably connected to one ends of the two deflecting blocks 40 far away from the deflecting rods 39, one ends of the two clamping rods 41 far away from the deflecting blocks 40 are mutually rotatably connected, one ends of the two clamping rods 41 far away from the deflecting blocks 40 are fixed with clamping curved rods 43 convenient for clamping the rotating shaft, the deflecting rods 39 of the four clamping devices 38 can be controlled to synchronously deflect by moving the movable plate 25 to drive the deflecting blocks 40 to synchronously approach, and then control two clamping bars 41 to deflect, can stretch out two clamping curved bars 43 and close each other and contact with the rotation axis, fix two clamping curved bars 43 under the interaction of first sawtooth structure 31 and second sawtooth structure 37 and finish the clamp to the rotation axis, three rotation axis anchor clamps 5 finish clamping and can finish the whole mechanism and fix to the rotation axis outer fringe, can move the bearing through driving the grip 10, before moving to a rotation axis anchor clamps 5, can release the control lever 29 under the interaction of first sloping block 23 and second sloping block 36, make rotation axis anchor clamps 5 open, make bearing anchor clamps 4 pass through, can control rotation axis anchor clamps 5 again after passing through and press from both sides fixedly, move the bearing to one end of mounting bracket 1 and can finish the installation, reverse driving grip 10 can take out bearing anchor clamps 4 and finish resetting, so that use next time.

In addition, the movable plate 25 is provided at both ends thereof with pinching plates 44 for facilitating pinching for movement, so that the movable plate 25 is moved by manually pinching the pinching plates 44.

Meanwhile, a supporting cylinder 45 is arranged between every two three rotating shaft clamps 5, two ends of each supporting cylinder 45 are fixedly connected with the adjacent rotating shaft clamps 5 respectively, and stability of the three rotating shaft clamps 5 is improved.

Meanwhile, the contact surface of the deflection groove 42 and the deflection block 40 is a smooth surface, so that the friction force applied when the deflection block 40 moves is reduced.

The installation tool is simple to operate, the bearing is uniformly applied with force to enable the bearing to move towards the rotating shaft to complete installation, the bearing is clamped through the bearing clamp 4, the rotating shaft is arranged in the installation frame 1, the fixing of the mechanism can be completed through the three rotating shaft clamps 5, and the installation tool can be guaranteed that the bearing moves towards the rotating shaft to complete installation through the driving device 3.

It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims (4)

1. The utility model provides a bearing production is with assembly fixture which characterized in that includes:

the mounting frame (1) and the four driving screw rods (2), wherein the four driving screw rods (2) are mounted inside the mounting frame (1);

the bearing clamping device comprises a driving device (3) and a bearing clamp (4), wherein the bearing clamp (4) is installed inside the installation frame (1), the bearing clamp (4) is used for clamping a bearing, and the driving device (3) is installed at one end of the installation frame (1) and is used for controlling the bearing clamp (4) to complete bearing installation;

the rotary shaft fixture (5) is provided with three rotary shaft fixtures (5) which are uniformly distributed and installed inside the installation frame (1), the rotary shaft fixture is used for fixing a mechanism outside a rotary shaft and further completing bearing installation, the driving device (3) comprises four first bevel gears (6), four second bevel gears (7) meshed with the first bevel gears (6), four third bevel gears (8), driving bevel gears (9) meshed with the four third bevel gears (8) and a driving handle (10), four driving grooves (11) are formed in four sides of the installation frame (1), two ends of the four driving screw rods (2) are respectively connected to two ends of the four driving grooves (11) in a rotating mode through bearings, the four first bevel gears (6) are connected to one end, far away from the driving screw rods (2), of the installation frame (1) in a rotating mode through bearings, one side of the four driving screw rods (2) is respectively connected and fixed with one end of the four driving screw rods (2), eight driving blocks (12) which are uniformly distributed are fixed at one end, close to the first bevel gear (6), of the mounting rack (1), driving cylinders (13) are arranged inside two adjacent driving blocks (12), two ends of each driving cylinder (13) are respectively connected with the two driving blocks (12) in a rotating mode through bearings, four second bevel gears (7) are respectively installed on one sides, far away from the driving cylinders (13), of the four driving blocks (12) close to the first bevel gear (6), one sides of the four second bevel gears are respectively connected and fixed with one ends of the four driving cylinders (13), four third bevel gears (8) are respectively installed on one sides, far away from the driving cylinders (13), of the four driving blocks (12) far away from the first bevel gear (6), one sides of the third bevel gears are respectively connected and fixed with one ends, far away from the driving cylinders (7), of the driving bevel gears (9) are rotatably connected to one ends, close to the driving cylinders (13), of the mounting rack (1) through bearings, one side of the driving bevel gear (9) far away from the mounting rack (1) is provided with a passive key (14), one end of the driving handle (10) is provided with a driving key (15) meshed with the passive key (14), the bearing clamp (4) comprises a movable ring (16), four clamping telescopic rods (17), four clamping springs (18), four clamping arc rods (19) and four movable blocks (20), the four movable blocks (20) are respectively fixed on four sides of the movable ring (16), the four movable blocks (20) are respectively connected inside four driving grooves (11) in a sliding manner and are provided with threaded holes in threaded connection with the driving screw rod (2), one ends of the four clamping telescopic rods (17) are respectively fixed on the inner side of the movable ring (16), and the four clamping arc rods (19) are respectively fixed on one ends of the four clamping telescopic rods (17) far away from the movable ring (16), one end of each of the four clamping arc rods (19) is provided with an opening and closing groove (21), one end far away from the opening and closing groove (21) is fixedly provided with an opening and closing block (22) attached to the opening and closing groove (21), the four clamping telescopic rods (17) are respectively arranged at the outer edges of the four clamping arc rods (19), the two ends of each clamping telescopic rod are respectively connected and fixed with the movable ring (16) and the clamping arc rods (19), two first inclined blocks (23) are fixed at the two sides of the movable ring (16), one side of each clamping arc rod (19) is provided with a supporting arc plate (24), the rotating shaft clamp (5) comprises a movable plate (25), a control plate (26), a clamping frame (27), four clamping cylinders (28), four clamping springs (18) and two control rods (29), the clamping frame (27) and the control plate (26) are fixed at the outer edge of the mounting frame (1), and one end of each clamping cylinder (28) is fixed at four ends of the clamping frame (27), and keep away from the one end of clamping frame (27) and be fixed in control panel (26) four ends respectively, four ends of fly leaf (25) are opened and are had the through-hole with clamping cylinder (28) sliding connection, four clamping spring (18) are located four clamping cylinder (28) outer fringe respectively, and both ends are connected fixedly with clamping frame (27) and fly leaf (25) respectively, control panel (26) both sides are opened there are control mouth (30), two control lever (29) one end is fixed in fly leaf (25) and is close to one side of control panel (26), and run through control mouth (30), control lever (29) one side is equipped with first sawtooth structure (31), one side that fly leaf (25) was kept away from to control panel (26) is fixed with two backup pads (32), one side that backup pad (32) are close to control panel (26) is fixed with two support telescopic links (33), two one end that backup pad (32) were kept away from to support telescopic link (33) is fixed with control curved bar (34), the outer edge of the supporting telescopic rod (33) is provided with a supporting spring (35), two ends of the supporting spring (35) are respectively connected and fixed with the supporting plate (32) and the control curved rod (34), two ends of the control curved rod (34) are provided with two second inclined blocks (36) attached to the first inclined blocks (23), one side, close to the second inclined blocks (36), of the control curved rod (34) is provided with a second sawtooth structure (37) meshed with the first sawtooth structure (31), four sides of the clamping frame (27) are provided with four clamping devices (38), each clamping device (38) comprises two deflection rods (39), two deflection blocks (40) and two clamping rods (41), one end of each deflection rod (39) is rotatably connected to one side, close to the clamping frame (27), of the clamping frame (27) close to the movable plate (25) is provided with a deflection groove (42), two deflection block (40) sliding connection is inside deflection groove (42), two the one end that the fly leaf (25) was kept away from in deflection pole (39) rotates with two deflection blocks (40) respectively and is connected, two clamp lever (41) one end rotates respectively to be connected in the one end that deflection block (39) were kept away from in two deflection blocks (40), two the one end interconnect of keeping away from deflection block (40) in clamp lever (41) rotates and connects, two the one end that deflection block (40) were kept away from in clamp lever (41) is fixed with the tight curved bar (43) of clamp of the tight rotation axis of clamp of being convenient for.

2. The assembly tool for bearing production according to claim 1, wherein the assembly tool comprises: the two ends of the movable plate (25) are provided with pinching plates (44) which are convenient to pinch so as to move.

3. The assembly fixture for bearing production according to claim 2, characterized in that: and supporting cylinders (45) are arranged between every two three rotating shaft clamps (5), and two ends of each supporting cylinder (45) are respectively connected and fixed with the adjacent rotating shaft clamps (5).

4. The assembly tool for bearing production according to claim 3, wherein the assembly tool comprises: the mutual contact surfaces of the deflection groove (42) and the deflection block (40) are smooth surfaces.

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