Equipment convenient for polishing rotor of single-screw pump

Abstract

The utility model discloses equipment facilitating polishing of a rotor of a single-screw pump. The equipment comprises a jack, a support and a belt sander. The support is located at the top of the jack, a bearing steering mechanism is fixed to the top of the jack, and the top of the bearing steering mechanism is connected with the support. The belt sander comprises a sanding belt, a driving wheel, a driven wheel and a motor. The motor and the driven wheel are connected with the bottom of the support and located at the two ends of the support. The output end of the motor is connected with the driving wheel, and the abrasive belt is wound outside the driving wheel and the driven wheel. The polishing equipment can improve the uniformity of the surface of the polished rotor and prolong the service life of the rotor.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing equipment, and more specifically to a device for convenient polishing of a single screw pump rotor. Background Art

[0002] The single screw pump is a positive displacement pump with internal meshing and eccentric rotation. The main working parts are the stator of the double-head spiral cavity and the rotor meshing with it in the cavity. Due to the special geometric shape of these two parts, a separate sealed cavity is formed. The medium is pushed in evenly from the axial direction. The flow rate inside the cavity is low, the volume remains unchanged, and the pressure is stable. Therefore, no eddy currents and agitation will be generated, and it can be widely used to transport high-viscosity fluids. As the core component of the screw pump, the screw pump rotor needs to ensure that its surface has a certain degree of finish.

[0003] The rotor has very high requirements for precision and profile. The manufacturing precision will directly affect the use effect and life of the rotor. High-precision rotors can easily produce screw pumps with high pressure difference and good stability. In the processing of screw pump rotors, after the screw pump rotors are milled, they need to be further polished by polishing. However, the current polishing belt machine for screw pumps has the problem of uneven surface roughness of the polished rotors, and the longer the polishing time of the existing belt machine is, the worse the surface quality of the rotors will be.

[0004] Therefore, it is an urgent problem for technicians in this field to develop a device for polishing single-screw pump rotors that can improve the uniformity of the polished rotor surface and extend the service life of the rotor. Utility Model Content

[0005] In view of this, the utility model provides a device for polishing the rotor of a single screw pump, which can improve the uniformity of the polished rotor surface and extend the service life of the rotor.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A device for facilitating polishing of a single screw pump rotor, comprising:

[0008] jack,

[0009] A bracket, the bracket is located at the top of the jack, a bearing steering mechanism is fixed to the top of the jack, and the top of the bearing steering mechanism is connected to the bracket;

[0010] A sanding belt machine, comprising: a sanding belt, a driving wheel, a driven wheel and a motor; the motor and the driven wheel are both connected to the bottom of the bracket and are located at both ends of the bracket; the output end of the motor is connected to the driving wheel, and the sanding belt is wound around the outside of the driving wheel and the driven wheel.

[0011] The beneficial effect of adopting the above technical solution is that in the utility model, the height can be appropriately adjusted by the jack to adapt to the size of the rotor, the bearing steering mechanism can drive the sanding machine to rotate a certain angle, and can polish the parts of the rotor surface that are difficult to polish, so that the rotor surface can be polished more evenly. At the same time, the equipment is easy to operate and easy to disassemble and assemble.

[0012] Preferably, the motor is connected to a motor fixing seat, and the motor fixing seat is fixedly connected to the bracket. The setting of the motor fixing seat facilitates the installation of the motor and the bracket.

[0013] Preferably, a tensioning mechanism is provided at one end of the bracket connected to the driven wheel, and the tensioning mechanism is provided at the bottom of the bracket, and the tensioning mechanism includes: a screw and a slider; both ends of the screw are rotatably connected to the bracket, and the slider is sleeved on the outside of the screw and threadedly connected to the screw. The setting of the tensioning mechanism facilitates the adjustment of the tension of the abrasive belt, which can ensure the stability of the abrasive belt polishing the rotor, and the tensioning mechanism is easy to operate, saving time and effort.

[0014] Preferably, a driven wheel fixing seat is connected to the central axis of the driven wheel, and the driven wheel fixing seat is fixedly connected to the slider. The driven wheel fixing seat facilitates the connection between the driven wheel and the slider, and the driven wheel moves with the slider to achieve tensioning of the sanding belt.

[0015] Preferably, a bearing seat is fixed at the bottom of the bracket at the two ends of the screw rod, and the ends of the screw rod pass through the bearing seat and are rotatably connected to the bearing seat. The bearing seat can realize the connection between the screw rod and the bracket, and at the same time play a supporting role for the screw rod.

[0016] Preferably, one end of the screw rod near the end of the bracket is connected with a hand crank. By rotating the screw rod with the hand crank, the movement of the slider can be achieved, thereby achieving the tensioning of the abrasive belt.

[0017] Preferably, a slide groove is provided at a position corresponding to the bracket and the slider, a bolt is connected to the top of the slider, and the top of the bolt is inserted into the slide groove. The slide groove can limit the movement of the slider.

[0018] Preferably, the bolt passes through the slide slot and is fastened with a nut. When the tension adjustment is completed, the position of the slide block is locked by the nut to ensure the stability of the abrasive belt.

[0019] Preferably, counterweight support frames are provided at both ends of the bracket, and counterweight blocks are provided at the counterweight support frames. The counterweight blocks can increase the overall stability of the bracket.

[0020] It can be seen from the above technical solution that, compared with the prior art, the utility model discloses a device for convenient polishing of the rotor of a single screw pump, and its beneficial effects are:

[0021] (1) The polishing equipment of the utility model can adjust the height and rotation angle according to the size of the rotor, so as to facilitate polishing of various positions of the rotor, make the polishing of the rotor surface more uniform, thereby ensuring the accuracy of the rotor and extending the service life of the rotor;

[0022] (2) The polishing equipment is easy to install and disassemble and is simple to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings in the following description are only embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the provided drawings without paying creative work.

[0024] Figure 1 The accompanying drawing is a front view of the polishing device provided by the utility model;

[0025] Figure 2 The accompanying drawing is a top view of the polishing device provided by the utility model;

[0026] Figure 3 The accompanying drawing is a structural schematic diagram of the bearing steering mechanism provided by the utility model.

[0027] Among them, in the figure,

[0028] 1- Jack;

[0029] 2- Bracket;

[0030] 21- slideway; 22- counterweight support frame;

[0031] 3-Bearing steering mechanism;

[0032] 31-fixed part; 32-rotating part;

[0033] 4- belt sander;

[0034] 41-abrasive belt; 42-driving wheel; 43-driven wheel; 44-motor; 45-motor fixing seat; 46-driven wheel fixing seat;

[0035] 5- tensioning mechanism;

[0036] 51-screw rod; 52-slider; 53-bearing seat; 54-hand crank handle; 55-bolt; 56-nut. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] The utility model discloses a device for polishing a single screw pump rotor, comprising:

[0039] Jack 1,

[0040] A bracket 2, the bracket 2 is located at the top of the jack 1, a bearing steering mechanism 3 is fixed to the top of the jack 1, and the top of the bearing steering mechanism 3 is connected to the bracket 2;

[0041] The belt sander 4 includes a sanding belt 41, a driving wheel 42, a driven wheel 43 and a motor 44; the motor 44 and the driven wheel 43 are connected to the bottom of the bracket 2 and are located at both ends of the bracket 2; the output end of the motor 44 is connected to the driving wheel 42, and the sanding belt 41 is wound around the outside of the driving wheel 42 and the driven wheel 43. The bottom of the jack 1 is provided with a threaded hole, which is convenient for connecting and fastening with the base configured on the original machine tool with bolts. The bearing steering mechanism 3 is connected to the jack 1, which can realize the steering operation of driving the bracket 2. The bracket 2 is made of channel steel.

[0042] In order to further optimize the above technical solution, the bearing steering mechanism 3 includes: a fixed part 31 and a rotating part 32, the fixed part 31 is rotatably connected to the rotating shaft of the rotating part 32, the bottom of the fixed part 31 is connected to the top of the jack 1, and the top of the rotating part 32 is connected to the bottom of the bracket 2. The rotating part 32 can drive the bracket 2 to swing up and down with the fixed part 32 as the center to adjust the angle of the bracket 2.

[0043] In order to further optimize the above technical solution, the motor 44 is connected to a motor fixing seat 45 , and the motor fixing seat 45 is fixedly connected to the bracket 2 .

[0044] In order to further optimize the above technical solution, a tensioning mechanism 5 is provided at one end of the bracket 2 connected to the driven wheel 43. The tensioning mechanism 5 is arranged at the bottom of the bracket 2, and the tensioning mechanism 5 includes: a screw rod 51 and a slider 52; both ends of the screw rod 51 are rotatably connected to the bracket 2, and the slider 52 is sleeved on the outside of the screw rod 51 and threadedly connected to the screw rod 51. Instead of the cumbersome steps of removing the bolts every time the tightness of the sanding belt of the sanding machine is adjusted on the old equipment, the present invention can easily adjust the tightness of the sanding belt 41 by loosening the nut and then manually cranking the handle 54, saving time and effort.

[0045] In order to further optimize the above technical solution, a driven wheel fixing seat 46 is connected to the central axis of the driven wheel 43 , and the driven wheel fixing seat 46 is fixedly connected to the slider 52 .

[0046] In order to further optimize the above technical solution, bearing seats 53 are fixed at the bottom of the bracket 2 at both ends of the screw rod 51 , and the ends of the screw rod 51 pass through the bearing seats 53 and are rotatably connected to the bearing seats 53 .

[0047] In order to further optimize the above technical solution, one end of the screw rod 51 close to the end of the bracket 2 is connected to a hand crank handle 54 .

[0048] In order to further optimize the above technical solution, a slide groove 21 is provided at the position corresponding to the bracket 2 and the slider 52, and a bolt 55 is connected to the top of the slider 52, and the top of the bolt 55 is inserted into the slide groove 21. Two slide grooves 21 are provided in parallel, which can increase the stability and accuracy of the movement of the slider 52.

[0049] In order to further optimize the above technical solution, the bolt 55 passes through the slide groove 21 and is fastened with a nut 56 .

[0050] In order to further optimize the above technical solution, a counterweight support frame 22 is provided at both ends of the bracket 2, and a counterweight block is provided at the counterweight support frame 22. During the polishing process, there will be an ups and downs movement in the stroke of the rotor, and the polishing equipment will fluctuate up and down following the shape of the rotor. In order to prevent the polishing equipment from swinging too strongly during the polishing process, a counterweight support frame 22 is added at both ends of the bracket 2. Since the shape of the rotor is different each time, the weight of the counterweight block can be freely and flexibly changed on the two counterweight support frames 22.

[0051] In this specification, each embodiment is described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the embodiments can be referred to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant parts can be referred to the method part.

[0052] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A device for polishing a single screw pump rotor, characterized in that: include: Jack (1), A bracket (2), the bracket (2) being located at the top of the jack (1), a bearing steering mechanism (3) being fixed to the top of the jack (1), and the top of the bearing steering mechanism (3) being connected to the bracket (2); A sanding belt machine (4), the sanding belt machine (4) comprising: a sanding belt (41), a driving wheel (42), a driven wheel (43) and a motor (44); the motor (44) and the driven wheel (43) are both connected to the bottom of the bracket (2) and are located at both ends of the bracket (2); the output end of the motor (44) is connected to the driving wheel (42), and the sanding belt (41) is wound around the outside of the driving wheel (42) and the driven wheel (43).

2. The device for facilitating polishing of a single screw pump rotor according to claim 1, characterized in that: The motor (44) is connected to a motor fixing seat (45), and the motor fixing seat (45) is fixedly connected to the bracket (2).

3. The device for facilitating polishing of a single screw pump rotor according to claim 1, characterized in that: A tensioning mechanism (5) is provided at one end of the bracket (2) connected to the driven wheel (43); the tensioning mechanism (5) is arranged at the bottom of the bracket (2); the tensioning mechanism (5) comprises: a screw rod (51) and a slider (52); both ends of the screw rod (51) are rotatably connected to the bracket (2); the slider (52) is sleeved on the outside of the screw rod (51) and is threadedly connected to the screw rod (51).

4. The device for facilitating polishing of a single screw pump rotor according to claim 3, characterized in that: A driven wheel fixing seat (46) is connected to the central axis of the driven wheel (43), and the driven wheel fixing seat (46) is fixedly connected to the sliding block (52).

5. The device for facilitating polishing of a single screw pump rotor according to claim 4, characterized in that: A bearing seat (53) is fixed at the bottom of the bracket (2) at the two ends of the screw rod (51), and the ends of the screw rod (51) pass through the bearing seat (53) and are rotatably connected to the bearing seat (53).

6. The device for facilitating polishing of a single screw pump rotor according to claim 5, characterized in that: One end of the screw rod (51) close to the end of the bracket (2) is connected to a hand crank handle (54).

7. The device for facilitating polishing of a single screw pump rotor according to claim 6, characterized in that: A slide groove (21) is provided at a position corresponding to the bracket (2) and the slide block (52); a bolt (55) is connected to the top of the slide block (52); and the top of the bolt (55) is inserted into the slide groove (21).

8. The device for facilitating polishing of a single screw pump rotor according to claim 7, characterized in that: The bolt (55) passes through the slide groove (21) and is fastened with a nut (56).

9. The device for facilitating polishing of a single screw pump rotor according to claim 1, characterized in that: Counterweight support frames (22) are provided at both ends of the bracket (2), and counterweight blocks are provided at the counterweight support frames (22).

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