Wear-resistant cam for cam rotor pump

Abstract

The utility model relates to the technical field of cam rotor pumps, in particular to a wear-resistant cam for a cam rotor pump. According to the technical scheme, the device comprises a fixing frame and fixing pipes rotationally installed on the two sides of the fixing frame, and a conveying assembly and a disassembling and assembling assembly are arranged on the fixing frame; the conveying assembly comprises rotating rods and a fixing shell fixedly installed on the rear side of the fixing frame, the two rotating rods both penetrate through the fixing frame and the fixing shell, the outer sides of the two rotating rods are both fixedly connected with cam bodies, and the two cam bodies are both located on the inner side of the fixing frame. Through mutual cooperation of the guide frame, the threaded rod, the cam, the supporting column and the supporting roller, the cam body can be conveniently disassembled and assembled, the cam body can be conveniently maintained, the cam body can be conveniently disassembled and assembled, the cam body can be conveniently maintained, and the service life of the cam body is prolonged. And the condition of abrasion between the cam bodies and the fixing frame can be avoided, and meanwhile the condition of abrasion between the cam bodies is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to cam rotor pump technical field, concretely is a kind of wear-resistant cam for cam rotor pump. BACKGROUND

[0002] The working principle of cam rotor pump is based on the rotation of two or more precisely machined rotors in the pump body, and the precise fit between the rotor and the pump body realizes the delivery of fluid, when cam rotor pump is used, cam is easy to rub with the inner wall of pump shell, and mutual wear and tear between cams also occurs, wear-resistant cam needs to be used, wear-resistant cam for cam rotor pump needs to be utilized.

[0003] Through search, the cam rotor of a kind of new cam rotor pump is embedded and fixedly connected with wear-resistant material insert block (2a, 2b, 2c) in the center top end of each lug of cam rotor by T-shaped slot, the top end face (3a, 3b, 3c) of wear-resistant material insert block (2a, 2b, 2c) forms the arc surface consistent with the lug top surface of cam rotor. It can effectively improve the wear resistance of cam rotor, improve the service life of cam rotor pump, reduce the cost of repairing and replacing cam rotor, reduce the material quality and processing requirements of cam rotor production.

[0004] In prior art, there are problems as follows:

[0005] When traditional cam rotor pump is used, cam is prone to wear, the existing solution is to inlay wear-resistant material on the outside of cam, but the existing solution cannot avoid the friction between cam and pump shell inner wall, which is prone to cause fast wear of pump shell, and the cams are also prone to mutual friction and wear, and the existing cam rotor pump is complex to disassemble and assemble, and it is inconvenient to disassemble and assemble and maintain the cam. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a kind of wear-resistant cam for cam rotor pump to solve the problems raised in the above background.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A kind of wear-resistant cam for cam rotor pump, including fixed frame and the fixed pipe being rotatably installed at the both sides of fixed frame, the fixed frame is equipped with conveying assembly and dismounting assembly;The conveying assembly includes rotating lever and the fixed shell being fixedly installed at the rear side of fixed frame, two The rotating lever all penetrates fixed frame and fixed shell, the outer side of two rotating lever is all fixedly connected with cam body, two The cam body is all located in the inner side of fixed frame, the outer side of two rotating lever is all fixedly connected with gear disc, two The gear disc is all located in the inner side of fixed shell and is engaged with each other, the inner side of each cam body is equipped with three movable grooves, the inner side of each movable groove is slidably installed with one support column, the one end of each support column extends out of one movable groove and is rotatably connected with support roller, a push spring is fixedly connected between each support column and movable groove;The dismounting assembly includes guide frame being fixedly installed at the front side of fixed frame, the front side of guide frame is provided with fixed plate, the rear side of fixed plate is fixedly connected with docking frame, the docking frame corresponds with guide frame, the periphery of fixed frame is fixedly connected with multiple threaded rods, and the fixed plate is fixedly connected between threaded rod.

[0008] By dismounting the fixed plate from the threaded rod, the docking frame and the guide frame can be separated, which facilitates the dismounting and maintenance of the cam body. The guide frame guides the cam body, which facilitates the installation of the cam body into the fixed frame. The threaded rod can be used to install and fix the fixed plate, which facilitates the dismounting and installation of the cam body and the maintenance of the cam body. By driving the outer sides of the two cam bodies to rotate to the right, the liquid in the left fixed tube can be conveyed along the inner wall of the fixed frame into the right fixed tube, which facilitates the conveying of the liquid. The push spring can push the support column to slide outward, which can make the support roller roll along the inside of the fixed frame. At the same time, it can be convenient to make only the support roller roll and support the cam body between the two cam bodies, which can avoid the wear between the cam body and the fixed frame and the wear between the cam bodies.

[0009] Preferably, the outer ends of the two fixed tubes are fixedly connected with flanges, and each threaded rod is fixedly installed with a support seat between the fixed frame. The flanges facilitate the connection and fixation of the fixed tube, and the support seat can support and fix the threaded rod.

[0010] Preferably, a plurality of fixed seats are fixedly installed on the periphery of the fixed plate, and each fixed seat is located on the periphery of a threaded rod. By sleeving the fixed seat on the outer side of the threaded rod, the fixed plate and the fixed frame can be docked.

[0011] Preferably, a nut is threadedly connected to the outer side of each threaded rod, and a plurality of nuts are located on the front side of the fixed plate. The nuts can be used to connect and fix the fixed plate and the threaded rod.

[0012] Preferably, the rear side of the fixed shell is fixedly installed with a motor, and an output end of the motor is fixedly connected with the shaft of a rotating rod.

[0013] Preferably, the inner wall of the fixed frame is fixedly installed with a support frame, and the support frame is provided with a fixed groove on both sides, and the two fixed grooves correspond to the two fixed pipes respectively.

[0014] Preferably, the inner side of the butt joint frame is provided with two support grooves, and one end of each of the two rotating rods is located in the inner side of the two support grooves and is rotationally connected with the support grooves.

[0015] Preferably, the inner side of each movable groove is slidably installed with an movable plate, both ends of each push spring are fixedly connected with one movable plate and the movable groove respectively, and one end of each support column is fixedly connected with the outer side of one movable plate.

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] Through the cooperation between the guide frame, the threaded rod, the cam, the support column and the support roller, the butt joint frame can be separated from the guide frame by disassembling the fixed plate from the threaded rod, the cam body can be disassembled and maintained conveniently, the guide frame can guide the cam body, the cam body can be installed into the fixed frame conveniently, the threaded rod can be used for installing and fixing the fixed plate, the cam body can be disassembled and installed conveniently, the cam body can be maintained conveniently, the liquid in the left fixed pipe can be transported to the right fixed pipe along the inner wall of the fixed frame by driving the outer sides of the two cam bodies to rotate to the right, the support column can slide outward by the action force of the push spring, the support roller can roll along the inner part of the fixed frame, the cam bodies can be only rolled and supported by the support roller between the two cam bodies, the wear between the cam bodies and the fixed frame and the wear between the cam bodies can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional structure schematic view of the utility model;

[0019] Figure 2 It is a rear view structure schematic view of the utility model;

[0020] Figure 3 It is a fixed plate cut structure schematic view of the utility model;

[0021] Figure 4 The utility model discloses a Figure 3 The enlarged structural schematic view of part A is shown in the figure.

[0022] Figure 5 The rear view structural schematic view of the fixed plate of the utility model is shown in the figure.

[0023] Figure 6 The overhead cutaway structural schematic view of the utility model is shown in the figure.

[0024] Figure 7 The structural schematic view of the gear plate of the utility model is shown in the figure.

[0025] Figure 8 The cutaway structural schematic view of the cam body of the utility model is shown in the figure.

[0026] In the figure: 1, fixed frame; 2, fixed pipe; 3, flange plate; 4, support seat; 5, threaded rod; 6, fixed plate; 7, fixed seat; 8, rotating rod; 9, fixed shell; 10, motor; 11, butt joint frame; 12, nut; 13, cam body; 14, support frame; 15, guide frame; 16, fixed groove; 17, support groove; 18, gear plate; 19, movable groove; 20, movable plate; 21, support column; 22, support roller; 23, thrust spring. DETAILED DESCRIPTION

[0027] The technical scheme of the utility model is further described below in combination with the drawings and specific embodiments.

[0028] The utility model provides a kind of wear-resistant cam for cam rotor pump as shown in Figures 1-8 The utility model discloses a kind of wear-resistant cam for cam rotor pump, including fixed frame 1 and rotating installation in the fixed pipe 2 of both sides of fixed frame 1, fixed frame 1 is equipped with conveying assembly and dismounting assembly;Conveying assembly includes rotating rod 8 and fixedly installed in the rear side of fixed frame 1 fixed shell 9, two rotating rods 8 are all through fixed frame 1 with fixed shell 9, the outer side of two rotating rods 8 is all fixedly connected with cam body 13, two cam bodies 13 are all located in the inner side of fixed frame 1, the outer side of two rotating rods 8 is all fixedly connected with gear plate 18, two gear plates 18 are all located in the inner side of fixed shell 9 and mesh with each other, the inner side of each cam body 13 is equipped with three movable grooves 19, the inner side of each movable groove 19 is slidably installed with one support column 21, one movable groove 19 is extended to the end of each support column 21 and is rotatably connected with support roller 22, one thrust spring 23 is fixedly connected between each support column 21 and movable groove 19;Dismounting assembly includes fixedly installed in the front side of fixed frame 1 guide frame 15, the front side of guide frame 15 is provided with fixed plate 6, the rear side of fixed plate 6 is fixedly connected with butt joint frame 11, butt joint frame 11 corresponds with guide frame 15, the periphery of fixed frame 1 is fixedly connected with multiple threaded rods 5, fixed plate 6 is fixedly connected between threaded rod 5;

[0029] The outer end of the two fixed pipes 2 is fixedly connected with a flange plate 3, and each threaded rod 5 is fixedly installed between the fixed frame 1 and a support seat 4.

[0030] The outer periphery of the fixed plate 6 is fixedly installed with a plurality of fixed seats 7, and each fixed seat 7 is located at the outer periphery of a threaded rod 5.

[0031] The outer side of each threaded rod 5 is threadedly connected with a nut 12, and the plurality of nuts 12 are located on the front side of the fixed plate 6.

[0032] The rear side of the fixed shell 9 is fixedly installed with a motor 10, and the output end of the motor 10 is fixedly connected with the axis of one rotating rod 8.

[0033] The inner wall of the fixed frame 1 is fixedly installed with a support frame 14, and the support frame 14 is provided with a fixed groove 16 on both sides of the fixed frame 1, and the two fixed grooves 16 correspond to the two fixed pipes 2 respectively.

[0034] The inner side of the butt joint frame 11 is provided with two support grooves 17, and one end of the two rotating rods 8 is located inside the two support grooves 17 and is rotatably connected with the support grooves 17.

[0035] The inner side of each movable groove 19 is slidably installed with an activity plate 20, and the two ends of each push spring 23 are fixedly connected between one activity plate 20 and the movable groove 19, and one end of each support column 21 is fixedly connected with the outer side of one activity plate 20.

[0036] The working principle of the wear-resistant cam for the cam rotor pump based on the embodiment is that by rotating the nut 12, the nut 12 is removed from the threaded rod 5, the fixed plate 6 can be disassembled from the threaded rod 5, the butt joint frame 11 and the guide frame 15 can be separated, and the cam body 13 can be disassembled and maintained conveniently;

[0037] The cam body 13 is guided by the guide frame 15, the cam body 13 is installed into the fixed frame 1, the fixed plate 6 is installed and fixed by the threaded rod 5, the cam body 13 can be disassembled and installed conveniently, and the cam body 13 can be maintained conveniently;

[0038] The motor 10 is started, the top of the rotating rod 8 is driven to rotate to the right side, the gear plates 18 are meshed and driven, the bottom of the other rotating rod 8 is driven to rotate to the right side, the outer sides of the two cam bodies 13 are driven to rotate to the right side, the liquid in the left fixed pipe 2 is transported along the inner wall of the fixed frame 1 to the right fixed pipe 2, and the liquid can be transported conveniently;

[0039] The action force of the thrust spring 23 can push the movable plate 20 to slide outward, synchronously drive the supporting column 21 to slide outward, and make the supporting roller 22 roll along the inside of the fixed frame 1, so that only the supporting roller 22 rolls and supports the cam bodies 13 between the two cam bodies 13, the wear between the cam bodies 13 and the fixed frame 1 is avoided, and the wear between the cam bodies 13 is also avoided.

[0040] The above specific embodiments are only several preferred embodiments of the utility model, based on the technical scheme of the utility model and the related inspiration of the above embodiments, the person skilled in the art can make various alternative improvements and combinations to the above specific embodiments.

Claims

1. A wear-resistant cam for a cam rotor pump, comprising a fixed frame (1) and fixed pipes (2) rotatably mounted on both sides of the fixed frame (1), characterized in that: The fixed frame (1) is provided with a conveying assembly and a disassembling assembly; The conveying assembly comprises rotating rods (8) and a fixed shell (9) fixedly installed at the rear side of the fixed frame (1), both of the rotating rods (8) penetrate through the fixed frame (1) and the fixed shell (9), the outer sides of both of the rotating rods (8) are fixedly connected with cam bodies (13), both of the cam bodies (13) are located at the inner side of the fixed frame (1), the outer sides of both of the rotating rods (8) are fixedly connected with gear plates (18), both of the gear plates (18) are located at the inner side of the fixed shell (9) and are in engagement with each other, three movable grooves (19) are formed in the inner side of each of the cam bodies (13), one supporting column (21) is slidably installed in the inner side of each of the movable grooves (19), one end of each of the supporting columns (21) extends out of one movable groove (19) and is rotatably connected with a supporting roller (22), and one push spring (23) is fixedly connected between each of the supporting columns (21) and the movable grooves (19). The disassembling assembly comprises a guide frame (15) fixedly installed at the front side of the fixed frame (1), a fixed plate (6) is arranged at the front side of the guide frame (15), the rear side of the fixed plate (6) is fixedly connected with a butt joint frame (11), the butt joint frame (11) corresponds to the guide frame (15), a plurality of threaded rods (5) are fixedly connected with the fixed frame (1), and the fixed plate (6) is fixedly connected with the threaded rods (5).

2. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: The outer ends of both of the fixed pipes (2) are fixedly connected with flanges (3), and each of the threaded rods (5) and the fixed frame (1) are fixedly installed through a supporting seat (4).

3. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: A plurality of fixed seats (7) are fixedly installed at the periphery of the fixed plate (6), and each of the fixed seats (7) is located at the periphery of one threaded rod (5).

4. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: The outer sides of each of the threaded rods (5) are threadedly connected with a nut (12), and a plurality of the nuts (12) are located at the front side of the fixed plate (6).

5. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: A motor (10) is fixedly installed at the rear side of the fixed shell (9), and the output end of the motor (10) is fixedly connected with the shaft of one rotating rod (8).

6. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: A supporting frame (14) is fixedly installed on the inner wall of the fixed frame (1), fixed grooves (16) are formed in both sides of the supporting frame (14) and the fixed frame (1), and both of the fixed grooves (16) correspond to the fixed pipes (2) respectively.

7. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: Two supporting grooves (17) are formed in the inner side of the butt joint frame (11), and one end of each of the rotating rods (8) is located at the inner side of the two supporting grooves (17) and is rotatably connected with the supporting grooves (17).

8. A wear-resistant cam for a cam rotor pump according to claim 1, characterized in that: One movable plate (20) is slidably installed in the inner side of each of the movable grooves (19), and both ends of each of the push springs (23) are fixedly connected with one movable plate (20) and the movable groove (19) respectively, and one end of each of the supporting columns (21) is fixedly connected with the outer side of one movable plate (20).

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