Polishing device based on water pump shaft surface machining

Abstract

The utility model discloses a polishing device based on surface machining of a water pump shaft, and relates to the technical field of polishing machining, in particular to the polishing device based on surface machining of the water pump shaft, which comprises a machine base, and a polishing mechanism is arranged on the machine base and used for polishing a bearing. A positioning mechanism is arranged on the machine base and is used for positioning a bearing, the positioning mechanism comprises a supporting assembly, and the supporting assembly comprises a cylinder base arranged on the polishing mechanism, a positioning base fixed to the top of the cylinder base, three positioning heads rotationally installed on the outer wall of the positioning base and distributed circumferentially, three shaft rods fixed to the interior of the outer wall of the positioning base and distributed circumferentially, and a driving assembly; comprising three guide blocks which are mounted in a positioning seat and are circumferentially distributed; the output end of the second air cylinder drives the guide rod to move, the guide rod drives the positioning head to expand outwards through the guide block, the outer wall of the upper end of the positioning head supports the inner wall of the bearing, and therefore the bearing is fixed from the interior, and interference caused when the outer wall of the bearing is polished is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of polishing processing, in particular to a polishing device for the surface processing of a water pump shaft. Background Technique

[0002] An automobile engine is composed of parts such as a water pump housing, a connecting disc or a pulley, a water pump shaft, bearings or shaft-connected bearings, a water pump impeller, and a water seal device. To ensure the stability and adaptability of the installation of the water pump shaft and bearings, it is usually necessary to polish the bearings integrally;

[0003] It is found that the publication number: CN220128473U discloses a polishing device for an automobile water pump bearing race. In this technology, "a polishing device for an automobile water pump bearing race is disclosed, including a device base. The upper surfaces at both ends of the device base are respectively fixedly connected with support frames. Hydraulic rods are respectively fixedly installed at the opposite ends of the two support frames. The movable ends of the two hydraulic rods are respectively fixedly connected with clamping seats" and other technical solutions, and have technical effects such as "by setting the hydraulic rods, the polishing seat and the clamping seats, it is convenient for the polishing device to first sleeved the bearing on the outside of the support shaft during use, and then start the two hydraulic rods to drive the clamping seats to realize the installation of the bearing on the polishing seat. Then move the two rubber rollers to both sides of the bearing, so that the two rubber rollers drive the bearing to rotate on the support shaft, realizing the polishing of the entire outer side of the outer race at the bottom end, thereby realizing the integral polishing of the bearing at one time and ensuring the adaptability of the bearing in the automobile water pump".

[0004] The above solution realizes the installation of the bearing on the polishing seat by driving the clamping seat with two hydraulic rods, and then moves the two rubber rollers to both sides of the bearing, so that the two rubber rollers drive the bearing to rotate on the support shaft, realizing the polishing of the entire outer side of the outer race at the bottom end; however, it can mainly only cover the entire outer side of the outer race at the bottom end, and it is difficult to effectively polish the outer wall of the bearing. Content of the Utility Model

[0005] Aiming at the deficiencies of the prior art, the utility model provides a polishing device for the surface processing of a water pump shaft, which has the characteristics that the output end of the second cylinder drives the guide rod to move, and the guide rod drives the positioning head to open outwards through the guide block, so that the outer wall of the upper end of the positioning head supports the inner wall of the bearing, thereby fixing the bearing from the inside and avoiding interference when polishing the outer wall of the bearing.

[0006] To achieve the above purpose, the utility model is realized through the following technical solutions: A polishing device for the surface processing of a water pump shaft, including a machine base, a polishing mechanism is arranged on the machine base and is used for polishing the bearing, and a positioning mechanism is arranged on the machine base and is used for positioning the bearing. The positioning mechanism includes:

[0007] Support component, including a cylinder base arranged on a polishing mechanism, a positioning base fixed to the top of the cylinder base, three circumferentially distributed positioning heads rotatably installed on the outer wall of the positioning base, and three axles fixed inside the outer wall of the positioning base and distributed circumferentially;

[0008] Drive component, including three circumferentially distributed guide blocks installed inside the positioning base, waist-shaped holes opened inside the guide blocks, and the guide blocks are slidably installed with the axles through the waist-shaped holes, a guide rod slidably installed inside the positioning base, a second cylinder installed inside the cylinder base, and the output end of the second cylinder is connected to the guide rod.

[0009] Preferably, the drive component further includes an inclined surface opened at the lower end of the outer wall of the guide rod, and three circumferentially distributed positioning pins slidably installed through the positioning base.

[0010] Preferably, the polishing mechanism includes:

[0011] Main body component, including a chassis fixed to the rear end of the top of the machine base, and a carriage longitudinally slidably installed on the chassis;

[0012] Execution component, including a base fixed to the upper end of the carriage, a rear axle frame fixed to the rear end of the top of the base, a rear pulley rotatably installed on the rear axle frame, a front axle frame transversely slidably installed at the front end of the top of the base, front pulleys rotatably installed at both ends of the front axle frame, a polishing belt installed between the front pulley and the rear pulley, a second motor installed at the rear end of the bottom of the base, and the output end of the second motor is connected to the rear pulley, and an adjustment component arranged on the machine base.

[0013] Preferably, the main body component further includes a cam rotatably installed on the inner wall of the chassis, a roller rotatably installed inside the carriage, and a first motor installed on the outer wall of the chassis and used to drive the cam to rotate.

[0014] Preferably, the execution component further includes a first cylinder installed at the front end of the rear axle frame, and the output end of the first cylinder is connected to the front axle frame.

[0015] Preferably, the adjustment component includes a Y-axis electric guide rail installed at the front end of the top of the machine base, an X-axis electric guide rail installed on the slider of the Y-axis electric guide rail, an electric turntable installed on the slider of the X-axis electric guide rail, and the cylinder base is installed on the electric turntable.

[0016] Beneficial effects

[0017] The utility model provides a polishing device based on the surface processing of a water pump shaft. Compared with the prior art, the following beneficial effects are achieved:

[0018] (1) After the bearing sleeve is placed on the positioning base, the output end of the second cylinder drives the guide rod to move. The guide rod drives the positioning heads to open outwards through the guide blocks, so that the outer wall of the upper end of the positioning heads supports the inner wall of the bearing, thereby fixing the bearing from the inside and avoiding interference during the polishing of the outer wall of the bearing.

[0019] (2) Drive the cam to rotate through the output end of the first motor. The cam cooperates with the roller to drive the actuating component on the carriage to move up and down, thereby adjusting the polishing height. And drive the bearing fixed on the positioning mechanism to rotate through the electric turntable. At the same time, drive the polishing belt to move by driving the rear pulley through the output end of the second motor and with the cooperation of the front pulley, so as to realize the polishing of the bearing by the polishing belt. Description of the Drawings

[0020] Figure 1 It is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 It is a structural schematic diagram of the polishing mechanism in the present utility model;

[0022] Figure 3 It is a structural schematic diagram inside the main body component in the present utility model;

[0023] Figure 4 It is a structural schematic diagram of the positioning mechanism in the present utility model;

[0024] Figure 5 It is a sectional view of the positioning mechanism in the present utility model.

[0025] In the figure: 1. Polishing mechanism; 11. Main body component; 111. Underframe; 112. Carriage; 113. Cam; 114. Roller; 115. First motor; 12. Actuating component; 121. Base; 122. Rear axle bracket; 123. Rear pulley; 124. First cylinder; 125. Front axle bracket; 126. Front pulley; 127. Polishing belt; 128. Second motor; 13. Adjusting component; 131. Y-axis electric guide rail; 132. X-axis electric guide rail;

[0026] 133. Electric turntable; 2. Positioning mechanism; 21. Support component; 211. Cylinder base; 212. Positioning seat;

[0027] 213. Positioning head; 214. Shaft rod; 22. Driving component; 221. Guide block; 222. Waist-shaped hole;

[0028] 223. Guide rod; 224. Inclined surface; 225. Second cylinder; 226. Positioning pin; 3. Machine base. Detailed Embodiment

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0030] Please refer to Figures 1-5 , the present invention provides a technical solution for a polishing device based on the surface machining of a water pump shaft: a polishing device based on the surface machining of a water pump shaft, including a machine base 3, a polishing mechanism 1 is arranged on the machine base 3 and is used for polishing the bearing, and a positioning mechanism 2 is arranged on the machine base 3 and is used for positioning the bearing. The positioning mechanism 2 includes:

[0031] A support assembly 21, including a cylinder base 211 arranged on the polishing mechanism 1, a positioning seat 212 fixed on the top of the cylinder base 211, three circumferentially distributed positioning heads 213 rotatably installed on the outer wall of the positioning seat 212, and three circumferentially distributed shaft rods 214 fixed inside the outer wall of the positioning seat 212;

[0032] A driving assembly 22, including three circumferentially distributed guide blocks 221 installed inside the positioning seat 212, waist-shaped holes 222 opened inside the guide blocks 221, and the guide blocks 221 are slidably installed with the shaft rods 214 through the waist-shaped holes 222, a guide rod 223 slidably installed inside the positioning seat 212, and a second cylinder 225 installed inside the cylinder base 211, and the output end of the second cylinder 225 is connected to the guide rod 223.

[0033] In this embodiment, when the bearing is sleeved on the positioning seat 212, the output end of the second cylinder 225 drives the guide rod 223 to move. The guide rod 223 drives the positioning heads 213 to open outwards through the guide blocks 221, so that the upper outer wall of the positioning heads 213 supports the inner wall of the bearing, thereby fixing the bearing from the inside and avoiding interference when polishing the outer wall of the bearing.

[0034] Specifically, the driving assembly 22 further includes an inclined surface 224 opened at the lower end of the outer wall of the guide rod 223, and three circumferentially distributed positioning pins 226 slidably installed through the positioning seat 212.

[0035] In this embodiment, when the guide rod 223 moves, it pushes the positioning pins 226 to move outwards through the inclined surface 224, so that the positioning pins 226 contact the lower ends of the positioning heads 213, improving the stability of the positioning heads 213.

[0036] Specifically, the polishing mechanism 1 includes:

[0037] The main body assembly 11 includes a chassis 111 fixed to the rear end of the top of the machine base 3, and a carriage 112 slidably mounted longitudinally on the chassis 111;

[0038] The execution assembly 12 includes a base 121 fixed to the upper end of the carriage 112, a rear axle bracket 122 fixed to the rear end of the top of the base 121, a rear pulley 123 rotatably mounted on the rear axle bracket 122, a front axle bracket 125 slidably mounted transversely on the front end of the top of the base 121, front pulleys 126 rotatably mounted at both ends on the front axle bracket 125, a polishing belt 127 installed between the front pulley 126 and the rear pulley 123, a second motor 128 installed at the rear end of the bottom of the base 121, and the output end of the second motor 128 is connected to the rear pulley 123, and an adjustment assembly 13 provided on the machine base 3.

[0039] In this embodiment, the output end of the second motor 128 drives the rear pulley 123 and drives the polishing belt 127 to move with the cooperation of the front pulley 126, so as to realize the polishing of the bearing by the polishing belt 127.

[0040] Specifically, the main body assembly 11 further includes a cam 113 rotatably mounted on the inner wall of the chassis 111, a roller 114 rotatably mounted inside the carriage 112, and a first motor 115 mounted on the outer wall of the chassis 111 and used to drive the cam 113 to rotate.

[0041] In this embodiment, the output end of the first motor 115 drives the cam 113 to rotate, and the cam 113 cooperates with the roller 114 to drive the execution assembly 12 on the carriage 112 to move up and down, so as to adjust the polishing height.

[0042] Specifically, the execution assembly 12 further includes a first cylinder 124 installed at the front end of the rear axle bracket 122, and the output end of the first cylinder 124 is connected to the front axle bracket 125.

[0043] In this embodiment, the output end of the first cylinder 124 drives the front pulley 126 on the front axle bracket 125 to move, so as to tension the polishing belt 127.

[0044] Specifically, the adjustment assembly 13 includes a Y-axis electric guide rail 131 installed at the front end of the top of the machine base 3, an X-axis electric guide rail 132 installed on the slider of the Y-axis electric guide rail 131, an electric turntable 133 installed on the slider of the X-axis electric guide rail 132, and the cylinder base 211 is installed on the electric turntable 133.

[0045] In this embodiment, the Y-axis electric guide rail 131 cooperates with the X-axis electric guide rail 132 to drive the bearing fixed on the positioning mechanism 2 on the top of the electric turntable 133 to move left and right and back and forth, so that the bearing can be attached to the polishing belt 127; the electric turntable 133 drives the bearing fixed on the positioning mechanism 2 to rotate, so as to cooperate with the polishing belt 127 to polish the bearing.

[0046] The working principle and usage process of the present utility model are as follows: First, the bearing is sleeved on the positioning seat 212, and then the output end of the second cylinder 225 drives the guide rod 223 to move. The guide rod 223 drives the positioning head 213 to open outward through the guide block 221, so that the outer wall of the upper end of the positioning head 213 supports the inner wall of the bearing, thereby fixing the bearing from the inside and avoiding interference during the polishing of the outer wall of the bearing.

[0047] Then, the output end of the first motor 115 drives the cam 113 to rotate. The cam 113 cooperates with the roller 114 to drive the execution assembly 12 on the carriage 112 to move up and down, thereby adjusting the polishing height. Then, the Y-axis electric guide rail 131 and the X-axis electric guide rail 132 cooperate to drive the bearing fixed on the positioning mechanism 2 at the top of the electric turntable 133 to move left and right and back and forth, so that the bearing can be attached to the polishing belt 127.

[0048] Finally, the electric turntable 133 drives the bearing fixed on the positioning mechanism 2 to rotate. At the same time, the output end of the second motor 128 drives the rear pulley 123 and drives the polishing belt 127 to move under the cooperation of the front pulley 126, thereby realizing the polishing of the bearing by the polishing belt 127.

[0049] The model of the cylinder is: DSNU-20-50-PPV-A, and the model of the motor is: EDSMT-2T110-020A. Both are mature existing technology products and will not be elaborated in detail here. Moreover, the electrical components appearing in this article are all electrically connected to the external main controller and 220V mains power.

[0050] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover non-exclusive inclusion, so that a process, method, article or device comprising a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0051] Although the embodiments of the present utility model have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A polishing device based on surface processing of a water pump shaft, comprising a base (3), characterized in that: The machine base (3) is provided with a polishing mechanism (1) for polishing the bearing, and the machine base (3) is provided with a positioning mechanism (2) for positioning the bearing, wherein the positioning mechanism (2) comprises: A support assembly (21) comprises a cartridge seat (211) arranged on the polishing mechanism (1), a positioning seat (212) fixed on the top of the cartridge seat (211), three positioning heads (213) rotatably mounted on the outer wall of the positioning seat (212) and distributed in a circle, and three shafts (214) fixed inside the outer wall of the positioning seat (212) and distributed in a circle; The driving assembly (22) comprises three guide blocks (221) arranged in a circumferential distribution and installed inside the positioning seat (212), a waist-shaped hole (222) provided inside the guide block (221), and the guide block (221) is slidably installed with the shaft rod (214) through the waist-shaped hole (222), a guide rod (223) slidably installed inside the positioning seat (212), and a second cylinder (225) installed inside the cylinder seat (211), and the output end of the second cylinder (225) is connected to the guide rod (223).

2. A polishing device based on water pump shaft surface processing according to claim 1, characterized in that: The driving assembly (22) further comprises an inclined surface (224) formed at the lower end of the outer wall of the guide rod (223), and three circumferentially distributed positioning pins (226) which penetrate through the interior of the positioning seat (212) and are slidably installed.

3. A polishing device based on surface processing of a water pump shaft according to claim 1, characterized in that: The polishing mechanism (1) comprises: The main body component (11) comprises a base frame (111) fixed at the top rear end of the base (3), and a slide frame (112) longitudinally slidably mounted on the base frame (111); The actuator assembly (12) comprises a base (121) fixed at the upper end of the slide (112), a rear axle frame (122) fixed at the top rear end of the base (121), a rear pulley (123) rotatably mounted on the rear axle frame (122), a front axle frame (125) lateraly slidably mounted at the top front end of the base (121), front pulleys (126) rotatably mounted at both ends of the front axle frame (125), a polishing belt (127) mounted between the front pulley (126) and the rear pulley (123), a second motor (128) mounted at the bottom rear end of the base (121), and the output end of the second motor (128) is connected to the rear pulley (123), and an adjustment assembly (13) is arranged on the machine base (3).

4. A polishing device based on surface processing of a water pump shaft according to claim 3, characterized in that: The main body component (11) also includes a cam (113) rotatably mounted on the inner wall of the base frame (111), a roller (114) rotatably mounted inside the slide (112), and a first motor (115) mounted on the outer wall of the base frame (111) and used to drive the cam (113) to rotate.

5. The polishing device based on the surface processing of the water pump shaft according to claim 3 is characterized in that: The actuator assembly (12) further comprises a first cylinder (124) installed at the front end of the rear axle frame (122), and the output end of the first cylinder (124) is connected to the front axle frame (125).

6. The polishing device based on the surface processing of the water pump shaft according to claim 3 is characterized in that: The adjustment assembly (13) comprises a Y-axis electric guide rail (131) installed at the front end of the top of the machine base (3), an X-axis electric guide rail (132) installed on the slider of the Y-axis electric guide rail (131), an electric turntable (133) installed on the slider of the X-axis electric guide rail (132), and a cylinder seat (211) installed on the electric turntable (133).

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