Auxiliary dismounting tool for bearing sleeve of centrifugal machine

Abstract

The utility model relates to the technical field of bearing bush auxiliary dismantling, in particular to a centrifugal machine bearing bush auxiliary dismantling tool which comprises a jacking base and a telescopic air cylinder, sleeves used for jacking of the telescopic air cylinder are fixed to the left end and the right end of the top of the jacking base respectively, and two locking screws are fixed between the two sleeves. A locking nut is screwed on the locking screw rod; the bearing bush can be easily detached from the centrifugal machine, and the detaching efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary removal of bearing sleeves, in particular to an auxiliary removal tool for a centrifuge bearing sleeve. Background Art

[0002] A centrifuge is a machine that uses centrifugal force to separate liquid from solid particles or components in a mixture of liquid and liquid. Centrifuges are mainly used to separate solid particles from liquid in a suspension, or to separate two immiscible liquids of different densities in an emulsion (for example, separating cream from milk).

[0003] The current method of removing the bearing sleeve from the centrifuge is to use the YL series industrial-grade integral hydraulic puller. Although this tool can remove the bearing sleeve from the centrifuge, the clamping jaws will shift during the removal process, making it difficult to remove. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a centrifuge bearing sleeve auxiliary removal tool.

[0005] The utility model is implemented by the following technical scheme: a centrifuge bearing sleeve auxiliary removal tool, including a pressing seat and a telescopic cylinder, the top left and right ends of the pressing seat are fixed with sleeves used for the telescopic cylinder to press, two locking screws are fixed between the two sleeves, and the locking screws are threaded with locking nuts.

[0006] Preferably, the bottom of the locking screw is fixed on the top pressure seat via a support block.

[0007] Preferably, an adjustment channel is opened at the top of the top pressure seat, and the bottom of the sleeve and the support block are connected with an adjustment rod, the adjustment rod passes through the adjustment channel and extends to the bottom of the top pressure seat, and the lower end of the adjustment rod is fixed to the bottom of the top pressure seat through a fixing nut.

[0008] Preferably, a first connecting rod is fixed to the bottom of the sleeve and the support block; a sliding rod is provided in the adjustment channel, and a sliding block is sleeved on the sliding rod; the top of the sliding block is fixed to the first connecting rod, and the bottom is fixed to the adjustment rod.

[0009] Preferably, a mounting cavity is provided in the pressing seat, and an adjusting groove communicating with the mounting cavity is provided on the top of the pressing seat;

[0010] A rotating screw is installed in the installation cavity, and a second connecting rod is fixed to the bottom of the sleeve and the support block, and the second connecting rod passes through the adjustment slot and is screwed to the rotating screw via the moving block; the thread direction of the two moving blocks on one side is opposite to the thread direction of the two moving blocks on the other side, so that when the rotating screw rotates, the moving blocks on both sides can be driven to move in opposite directions; guide blocks are fixed to the front and rear side surfaces of the moving block, and guide grooves for the guide blocks to slide are provided on the front and rear inner walls of the installation cavity;

[0011] The rotating screw is driven by a hand wheel.

[0012] Preferably, both the front and rear sides of the pressing seat have scales.

[0013] Preferably, the inner bottom surface of the sleeve has a rubber block.

[0014] Preferably, the telescopic cylinder is detachably arranged on the base of the centrifuge.

[0015] Beneficial effects of the utility model:

[0016] (1) The utility model provides an embodiment, in which a pressing seat is used to install a sleeve and a locking screw. The sleeve can be pressed by a telescopic cylinder, so that the bearing sleeve can be easily removed from the centrifuge; sleeves for pressing by the telescopic cylinder are fixed at both ends of the top of the pressing seat, and two locking screws are fixed between the two sleeves. A locking nut is threaded on the locking screw for connecting the bearing sleeve and the locking screw.

[0017] (2) In one embodiment of the utility model, the position of the locking screw and the sleeve can be adjusted by cooperating with the adjusting rod and the adjusting channel, so that bearing sleeves of different sizes can be removed from centrifuges of different sizes; the adjusting rod can be fixed by the fixing nut and the thread.

[0018] (3) In one embodiment of the present invention, the sliding block and the sliding rod can facilitate sliding when the sleeve and the support block are adjusted in position.

[0019] (4) In one embodiment of the utility model, the thread direction of the two moving blocks on one side is opposite to the thread direction of the two moving blocks on the other side, so that when the rotating screw is rotated, the moving blocks on both sides can be driven to move in opposite directions, thereby adjusting the distance between the two locking screws and the two sleeves, so that it can adapt to bearing sleeves and centrifuges of different sizes.

[0020] (5) In one embodiment of the present invention, both the front and rear sides of the top pressure seat have scales, and the positions of the locking screw and the sleeve can be better adjusted according to the scales.

[0021] (6) In one embodiment of the present invention, the inner bottom surface of the sleeve has a rubber block, which can play a buffering role when the push rod of the telescopic cylinder presses the sleeve, thereby reducing the probability of damage to the sleeve.

[0022] The utility model can easily disassemble the bearing sleeve from the centrifuge, thereby improving the disassembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the use state of the utility model.

[0024] Figure 2 It is a structural schematic diagram of the first embodiment of the top pressure seat.

[0025] Figure 3 It is a structural schematic diagram of the second embodiment of the top pressure seat.

[0026] Figure 4 yes Figure 3 Schematic top view of .

[0027] Figure 5 It is a structural schematic diagram of the third embodiment of the top pressure seat.

[0028] Figure 6 It is a structural schematic diagram of the fourth embodiment of the top pressure seat.

[0029] Figure 7 is a schematic diagram of the guide block.

[0030] Figure 8 is a schematic diagram of the scale.

[0031] Fig. 9 is a schematic diagram of the mounting block. DETAILED DESCRIPTION

[0032] The utility model is further described below in conjunction with the accompanying drawings.

[0033] See also Figure 1 to Figure 2 The utility model provides an embodiment: a centrifuge bearing sleeve auxiliary removal tool, including a pressing seat 1 and two telescopic cylinders 2, the pressing seat 1 is used to install a sleeve 3 and a locking screw 4, the sleeve 3 can be pressed by the telescopic cylinder 2, so that the bearing sleeve 100 is easy to remove from the centrifuge; the left and right ends of the top of the pressing seat 1 are fixed with sleeves 3 for pressing by the telescopic cylinder 2, and two locking screws 4 are fixed between the two sleeves 3, and the locking screw 4 is threaded with a locking nut 5 for connecting the bearing sleeve 100 and the locking screw 4.

[0034] Place two telescopic cylinders 2 on the seat body 300 of the centrifuge, then align the two sleeves 3 on the pressing seat 1 with the push rods of the two telescopic cylinders 2, align the two locking screws 4 with the holes 200 on the bearing sleeve 100, then extend the push rods of the two telescopic cylinders 2 into the two sleeves 3 respectively, pass the locking screws 4 through the holes 200 on the bearing sleeve 100, and then screw the locking nuts 5 on the locking screws 4, so as to fix the bearing sleeve 100 on the locking screws 4; start the two telescopic cylinders 2 at the same time, so that the push rods press the sleeves 3, thereby pressing the pressing seat 1, and then the bearing sleeve 100 can be detached from the centrifuge, so that the bearing sleeve 100 can be disassembled.

[0035] The bottom of the locking screw 4 is fixed on the pressing seat 1 via a support block 6 , which is used to connect the locking screw 4 to the pressing seat 1 .

[0036] Please continue reading Figure 3 , Figure 4 In one embodiment of the utility model, an adjusting channel 71 is provided on the top of the top pressure seat 1 for sliding the adjusting rod 72; the width of the support block 6 is greater than the width of the adjusting channel 71, so as to prevent the locking screw 4 from falling into the adjusting channel 71; the bottom of the sleeve 3 and the support block 6 are connected with an adjusting rod 72, and the positions of the locking screw 4 and the sleeve 3 can be adjusted by cooperating with the adjusting rod 72 and the adjusting channel, so that bearing sleeves 100 of different sizes can be disassembled from centrifuges of different sizes; the adjusting rod 72 passes through the adjusting channel 71 and extends to the bottom of the top pressure seat 1; the lower end of the adjusting rod 72 is fixed to the bottom of the top pressure seat 1 through a fixing nut 73, and the lower end of the adjusting rod 72 has a thread that cooperates with the fixing nut 73, and the adjusting rod 72 can be fixed by the fixing nut 73 and the thread.

[0037] When the position of the sleeve 3 and the locking screw 4 needs to be adjusted, the fixing nut 73 is unscrewed from the adjusting rod 72, and the adjusting rod 72 is manually driven to slide in the adjusting channel. After the position is adjusted, the fixing nut 73 is tightened.

[0038] Please continue reading Figure 5 In one embodiment of the utility model, the bottom of the sleeve 3 and the support block 6 are fixed with a first connecting rod 74 for connecting the slider 76; the adjustment channel 71 has a slide bar 75, and the slide bar 75 is sleeved with a slide bar 76, which can facilitate sliding when the sleeve 3 and the support block 6 are adjusted in position through the slide bar 76 and the slide bar 75; the top of the slide bar 76 is fixed to the first connecting rod 74, and the bottom is fixed to the adjustment rod 72.

[0039] Please continue reading Figure 6 , Figure 7In one embodiment of the utility model, a mounting cavity is provided in the pressing seat 1 for mounting a screw rod, and an adjusting groove (not shown) communicating with the mounting cavity is provided on the top of the pressing seat 1 for sliding the second connecting rod 82; the width of the supporting block 6 is greater than the width of the adjusting groove, so as to prevent the locking screw rod 4 from falling into the mounting cavity;

[0040] A rotating screw 81 is installed in the installation cavity, and a second connecting rod 82 is fixed to the bottom of the sleeve 3 and the support block 6 for connecting the moving block 83. The second connecting rod 82 passes through the adjustment slot and is screwed on the rotating screw 81 through the moving block 83; the thread direction of the two moving blocks 83 on one side is opposite to the thread direction of the two moving blocks 83 on the other side, so that when the rotating screw 81 rotates, it can drive the moving blocks 83 on both sides to move in opposite directions, so that the distance between the two locking screws 4 and the two sleeves 3 can be adjusted, so that it can adapt to bearing sleeves 100 and centrifuges of different sizes; guide blocks 87 are fixed to the front and rear side surfaces of the moving block 83, and the front and rear inner walls of the installation cavity are provided with guide grooves (not shown) for the sliding of the guide blocks 87, and the guide blocks 87 and the guide grooves can play a role of limiting guidance when the moving block 83 moves;

[0041] The rotating screw 81 is driven by a hand wheel 84, one end of which is connected to a connecting shaft 85, which penetrates the top pressure seat 1 and is connected to the hand wheel 84, so that the rotating hand wheel 84 can drive the rotating screw 81 to rotate; a handle 86 is fixed on the hand wheel 84 to facilitate driving the hand wheel 84 to rotate.

[0042] When the position of the sleeve 3 and the locking screw 4 needs to be adjusted, the hand wheel 84 is turned to drive the connecting shaft 85 to rotate, thereby driving the rotating screw 81 to rotate, thereby driving the moving block 83 to move, thereby driving the second connecting rod 82 to move, and then driving the sleeve 3 and the locking screw 4 on the support block 6 to move, thereby adjusting the distance between the two locking screws 4 and the two sleeves 3.

[0043] Please continue reading Figure 8 In one embodiment of the utility model, the front and rear sides of the top pressing seat 1 are provided with scales 9, and the positions of the locking screw 4 and the sleeve 3 can be better adjusted according to the scales 9. It should be noted that the present invention Figure 8 The scale value in the figure is only an embodiment, and the scale value can be changed during actual operation.

[0044] In one embodiment of the utility model, the inner bottom surface of the sleeve 3 has a rubber block 31, which can play a buffering role when the push rod of the telescopic cylinder 2 presses the sleeve 3, thereby reducing the probability of damage to the sleeve 3.

[0045] Please continue reading Fig. 9In one embodiment of the utility model, the telescopic cylinder 2 is detachably arranged on the base 300 of the centrifuge, the telescopic cylinder 2 is fixed on the base 300 of the centrifuge via a mounting block 10, the mounting block 10 is fixed on the base 300 of the centrifuge via a bolt 11, a threaded hole (not shown) matching the bolt 11 is provided on the base 300 of the centrifuge, the telescopic cylinder 2 can be fixed to the centrifuge via the bolt 11 and the threaded hole, so that the telescopic cylinder 2 can avoid slipping when pressing the sleeve 3, and the disassembly and assembly of the telescopic cylinder 2 is convenient.

[0046] The telescopic cylinder in the utility model is a prior art, which can be clearly understood by those skilled in the art and will not be described in detail here. In addition, the utility model protects the structural features of a centrifuge bearing sleeve auxiliary removal tool.

[0047] The above description is only a preferred embodiment of the present utility model and cannot be understood as a limitation of the present application. All equivalent changes and modifications made within the scope of the patent application of the present utility model shall fall within the scope of the present utility model.

Claims

1. A centrifuge bearing sleeve auxiliary removal tool, characterized in that: It comprises a pressing seat and a telescopic cylinder. The left and right ends of the top of the pressing seat are fixed with sleeves used for pressing by the telescopic cylinder. Two locking screws are fixed between the two sleeves. The locking screws are threaded with locking nuts.

2. A centrifuge bearing sleeve auxiliary removal tool according to claim 1, characterized in that: The bottom of the locking screw is fixed on the top pressure seat via a support block.

3. The centrifuge bearing sleeve auxiliary removal tool according to claim 2, characterized in that: An adjustment channel is provided at the top of the top pressure seat, and the bottoms of the sleeve and the support block are connected with adjustment rods. The adjustment rod passes through the adjustment channel and extends to the bottom of the top pressure seat, and the lower end of the adjustment rod is fixed to the bottom of the top pressure seat via a fixing nut.

4. The centrifuge bearing sleeve auxiliary removal tool according to claim 3, characterized in that: The bottom of the sleeve and the support block are both fixed with a first connecting rod; the adjusting channel is provided with a sliding rod, and a sliding block is sleeved on the sliding rod; the top of the sliding block is fixed to the first connecting rod, and the bottom is fixed to the adjusting rod.

5. The centrifuge bearing sleeve auxiliary removal tool according to claim 2, characterized in that: A mounting cavity is provided in the pressing seat, and an adjusting groove communicating with the mounting cavity is provided on the top of the pressing seat; A rotating screw is installed in the installation cavity, and a second connecting rod is fixed to the bottom of the sleeve and the support block, and the second connecting rod passes through the adjustment slot and is screwed to the rotating screw via the moving block; the thread direction of the two moving blocks on one side is opposite to the thread direction of the two moving blocks on the other side, so that when the rotating screw rotates, the moving blocks on both sides can be driven to move in opposite directions; guide blocks are fixed to the front and rear side surfaces of the moving block, and guide grooves for the guide blocks to slide are provided on the front and rear inner walls of the installation cavity; The rotating screw is driven by a hand wheel.

6. A centrifuge bearing sleeve auxiliary removal tool according to any one of claims 2 to 5, characterized in that: The front and rear sides of the pressing seat are both provided with scales.

7. The centrifuge bearing sleeve auxiliary removal tool according to claim 1, characterized in that: The inner bottom surface of the sleeve is provided with a rubber block.

8. The centrifuge bearing sleeve auxiliary removal tool according to claim 1, characterized in that: The telescopic cylinder is detachably arranged on the seat body of the centrifuge.

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