Double-metal cylinder sleeve inner wall grinding and polishing machine

Abstract

The utility model discloses a double-metal cylinder sleeve inner wall grinding and polishing machine which comprises a polishing box, a motor is fixedly installed on the lower end face of the polishing box, a sealing bearing is connected to the bottom of the polishing box in a sleeved mode, and a belt is used for transmitting power of a driving wheel to drive a lower driven wheel and an upper driven wheel to rotate. Water flow can be effectively prevented from entering the motor to be damaged, a lower driven wheel is moved downwards to drive a clamping block to be dismounted by rotating a dismounting screw, a belt is conveniently dismounted to be replaced, water flow in a water tank is pumped by starting a water pump, water is sprayed to a cylinder sleeve through a water spraying pipe, waste water flows back to the water tank through a water drainage pipe, and therefore water resources can be recycled. When water flow in the water tank is seriously polluted, the water valve of the water outlet pipe can be opened to discharge sewage, clean water flow is injected from the water inlet to be reused, and the design of the filter screen can filter the wastewater so as to recycle the water flow.

Description

Technical Field

[0001] The utility model relates to the technical field of mechanical basic parts and manufacturing, in particular to a bimetallic cylinder sleeve inner wall grinding and polishing machine. Background Art

[0002] Bimetallic cylinder liner is one of the most widely used and largest-volume hydraulic end accessories for mud pumps. Bimetallic cylinder liner combines the advantages of hot-forged high-wear outer sleeve and high-chromium wear-resistant and corrosion-resistant inner sleeve. The outer sleeve is made of high-quality carbon steel by hot pressing in one step, and the inner sleeve is made of high-chromium cast iron by centrifugal casting. The outer sleeve has a tensile strength of more than 900,000 psi, and the hardness of the inner sleeve reaches HRC62 or more after heat treatment. It can withstand 7000 psi mud pressure, its inner surface is as smooth as a mirror, the inner hole size tolerance is strict, and the normal service life can reach more than 800 hours.

[0003] At present, a movable component is used to drive the polishing wheel close to the cylinder liner body, a magnetically coupled rodless cylinder is used to drive the electric push rod to move in the horizontal direction close to the cylinder liner body, the electric push rod is used to drive the second motor to move in the vertical direction close to the cylinder liner body, the second motor is used to drive the polishing wheel to grind and polish the cylinder liner body, and at the same time, a rotating component is used to drive the cylinder liner body to rotate, and the unpolished parts of the cylinder liner body are grinded and polished, thereby replacing manual grinding and polishing of the cylinder liner and improving production efficiency.

[0004] For example, a grinding and polishing device for a wet cylinder liner disclosed in the authorization number CN214817644U includes a shell, the shell is used to accommodate the cylinder liner body, the shell is provided with a rotating assembly, a moving assembly and a polishing assembly, the rotating assembly is used to drive the cylinder liner body to rotate, the polishing assembly includes a polishing wheel and a power unit, the power unit is used to drive the polishing wheel to rotate, the moving assembly is used to drive the polishing wheel to move closer to or away from the cylinder liner body, the moving assembly includes a magnetically coupled rodless cylinder and an electric push rod, the magnetically coupled rodless cylinder is fixedly connected to the top of the shell, and the electric push rod is fixedly connected to the magnetically coupled rodless cylinder. The rotating assembly, the moving assembly and the polishing assembly replace manual grinding and polishing of the cylinder liner to improve production efficiency. However, such a grinding and polishing device for a wet cylinder liner has poor sealing at the bottom of the shell, water easily enters the motor and damages it, and it is inconvenient to recycle water, wasting water resources.

[0005] It can be seen from the solutions disclosed in the above-mentioned existing patent documents that the bottom of the shell has poor sealing performance, water can easily enter the motor and damage it, and it is inconvenient to recycle the water, wasting water resources. Therefore, the existing technology needs to be improved. Utility Model Content

[0006] The utility model aims to provide a bimetallic cylinder inner wall grinding and polishing machine to solve the problems of poor sealing of the bottom of the shell, easy water flow entering the inside of the motor to damage it, inconvenient water circulation and waste of water resources.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bimetallic cylinder sleeve inner wall grinding and polishing machine, comprising a polishing box, a motor is fixedly installed on the lower end surface of the polishing box, a driving wheel is fixedly connected to the rotating shaft of the motor, a belt is sleeved on the outer side of the driving wheel, a lower driven wheel is sleeved on one side of the belt, a screw is threadedly connected to the interior of the lower driven wheel, the upper end of the screw is threadedly connected to the upper driven wheel, a block is fixedly welded to the upper end of the lower driven wheel, a driving shaft is fixedly welded to the upper end of the upper driven wheel, a sealed bearing is sleeved on the outer side of the driving shaft, a drain pipe is fixedly welded to the lower end of the polishing box, a support ring is tightly attached to the upper end of the drain pipe, a filter screen is fixedly welded to the lower end of the support ring, a water tank is fixedly connected to the lower end of the drain pipe, and an outlet pipe is fixedly welded to the surface of the water tank.

[0008] Preferably, an upper driven wheel is sleeved on the inside of one side of the belt, and the upper end of the lower driven wheel is tightly attached to the upper driven wheel. By sleeve-fitting a sealed bearing on the bottom of the polishing box and using a belt to transmit the power of the driving wheel to drive the lower driven wheel and the upper driven wheel to rotate, water can be effectively prevented from entering the interior of the motor and causing damage.

[0009] Preferably, the clamping block is fastened to the driven wheel, and the bottom of the polishing box is sleeved with a driving shaft. By rotating the removal screw, the lower driven wheel is moved downward to drive the clamping block to be removed, so that the belt can be removed for replacement.

[0010] Preferably, a cylinder sleeve is installed on the upper end of the driving shaft, a polishing device is installed inside the polishing box, a sealed bearing is installed at the bottom of the polishing box, and a polishing device is tightly attached to one side of the cylinder sleeve. The driving wheel and the belt are driven to rotate by starting the motor, and the lower driven wheel, the upper driven wheel and the driving shaft are driven to rotate, so that the polishing device can polish the cylinder sleeve conveniently.

[0011] Preferably, a water spray pipe is internally sleeved on the upper end of the polishing box, and the water outlet of the water spray pipe is aligned with the cylinder liner. By starting the water pump, water inside the water tank is pumped through the water spray pipe to spray water on the cylinder liner, and the waste water flows back to the water tank through the drain pipe, thereby recycling water resources.

[0012] Preferably, a water inlet is fixedly welded to the upper end of the water tank, a water pump is fixedly installed on one side of the water tank, a circulation pipe is fixedly connected to one side of the water pump, a water spray pipe is fixedly connected to the upper end of the circulation pipe, the circulation pipe is tightly attached to the upper end of the polishing box, and a support ring is sleeved on the bottom of the polishing box. When the water flow inside the water tank is seriously polluted, the water valve of the outlet pipe can be opened to discharge the sewage, and clean water can be injected from the water inlet for reuse.

[0013] Preferably, the interior of the drain pipe is sleeved with a filter screen, and a water valve is installed at the upper end of the outlet pipe. The filter screen is designed to filter waste water so that the water flow can be recycled.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. An upper driven wheel is sleeved inside one side of the belt of the utility model, and the upper end of the lower driven wheel is tightly attached to the upper driven wheel. By sleeved a sealed bearing at the bottom of the polishing box and using a belt to transmit the power of the driving wheel to drive the lower driven wheel and the upper driven wheel to rotate, water can be effectively prevented from entering the motor and causing damage.

[0016] 2. The clamping block of the utility model is fastened and clamped on the driven wheel, and the bottom of the polishing box is sleeved with a driving shaft. By rotating the removal screw, the lower driven wheel is moved downward to drive the clamping block to be removed, which is convenient for removing the belt for replacement.

[0017] 3. The utility model has a cylinder sleeve installed at the upper end of the driving shaft, a polishing device installed inside the polishing box, a sealed bearing installed at the bottom of the polishing box, and a polishing device tightly attached to one side of the cylinder sleeve. The driving wheel and the belt are driven to rotate by starting the motor, and the lower driven wheel, the upper driven wheel and the driving shaft are driven to rotate, so that the polishing device can polish the cylinder sleeve conveniently.

[0018] 4. The upper end of the polishing box of the utility model is internally sleeved with a water spray pipe, and the water outlet of the water spray pipe is aimed at the cylinder sleeve. By starting the water pump to draw water from the water tank through the water spray pipe to spray water on the cylinder sleeve, the waste water flows back to the water tank through the drain pipe, so that water resources can be recycled.

[0019] 5. A water inlet is fixedly welded on the upper end of the water tank of the utility model, a water pump is fixedly installed on one side of the water tank, a circulation pipe is fixedly connected to one side of the water pump, a water spray pipe is fixedly connected to the upper end of the circulation pipe, the circulation pipe is tightly attached to the upper end of the polishing box, and a support ring is sleeved on the bottom of the polishing box. When the water flow inside the water tank is seriously polluted, the water valve of the outlet pipe can be opened to discharge the sewage, and clean water can be injected from the water inlet for reuse.

[0020] 6. The interior of the drainage pipe of the utility model is connected with a filter screen, and a water valve is installed at the upper end of the outlet pipe. The filter screen is designed to filter waste water so that the water flow can be recycled. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0022] Figure 2 This is an enlarged cross-sectional view of the upper driven wheel of the utility model;

[0023] Figure 3 This is an enlarged cross-sectional view of point A of the utility model;

[0024] Figure 4 This is an enlarged stereoscopic view of the upper driven wheel of the utility model.

[0025] In the figure: 1 polishing box, 11 motor, 12 driving wheel, 13 belt, 14 lower driven wheel, 15 screw, 16 upper driven wheel, 17 block, 18 driving shaft, 19 sealed bearing, 110 cylinder sleeve, 111 polishing device, 2 drain pipe, 21 support ring, 22 filter screen, 23 water tank, 24 water outlet pipe, 25 water inlet, 26 water pump, 27 circulation pipe, 28 water spray pipe. DETAILED DESCRIPTION

[0026] 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.

[0027] Example 1

[0028] See also Figure 1-4 A bimetallic cylinder inner wall grinding and polishing machine shown in the figure comprises a polishing box 1, a motor 11 is fixedly installed on the lower end surface of the polishing box 1, the motor 11 belongs to the prior art, the rotating shaft of the motor 11 is fixedly connected with a driving wheel 12, the outer side of the driving wheel 12 is sleeved with a belt 13, a lower driven wheel 14 is sleeved inside one side of the belt 13, a screw 15 is threadedly connected inside the lower driven wheel 14, the upper end of the screw 15 is threadedly connected to an upper driven wheel 16, a clamping block 17 is fixedly welded to the upper end surface of the lower driven wheel 14, a driving shaft 18 is fixedly welded to the upper end of the upper driven wheel 16, a sealed bearing 19 is sleeved on the outer side of the driving shaft 18, a drain pipe 2 is fixedly welded to the lower end of the polishing box 1, a support ring 21 is tightly attached to the upper end of the drain pipe 2, a filter screen 22 is fixedly welded to the lower end of the support ring 21, a water tank 23 is fixedly connected to the lower end of the drain pipe 2, and a water outlet pipe 24 is fixedly welded to the surface of the water tank 23.

[0029] In order to prevent the motor 11 from getting wet, an upper driven wheel 16 is sleeved inside one side of the belt 13, and the upper end of the lower driven wheel 14 is tightly attached to the upper driven wheel 16. By sleeve-fitting a sealed bearing 19 at the bottom of the polishing box 1 and using the belt 13 to transmit the power of the driving wheel 12 to drive the lower driven wheel 14 and the upper driven wheel 16 to rotate, it can effectively prevent water from entering the motor 11 and damaging it. The clamping block 17 is fastened to the upper driven wheel 16, and the bottom of the polishing box 1 is sleeved with a driving shaft 18. By turning the removal screw 15, the lower driven wheel 14 is moved downward. The block 17 is driven to be removed, so that the belt 13 can be removed for replacement. A cylinder sleeve 110 is installed on the upper end of the driving shaft 18. A polishing device 111 is installed inside the polishing box 1. The polishing device 111 belongs to the prior art. A sealed bearing 19 is installed at the bottom of the polishing box 1. The polishing device 111 is tightly attached to one side of the cylinder sleeve 110. The driving wheel 12 and the belt 13 are driven to rotate by starting the motor 11, and the lower driven wheel 14, the upper driven wheel 16 and the driving shaft 18 are driven to rotate, so that the polishing device 111 can polish the cylinder sleeve 110 conveniently.

[0030] In this embodiment, by sleeve-sealing a sealed bearing 19 at the bottom of the polishing box 1 and using a belt 13 to transmit the power of the driving wheel 12 to drive the lower driven wheel 14 and the upper driven wheel 16 to rotate, water can be effectively prevented from entering the motor 11 and damaging it. By rotating the removal screw 15, the lower driven wheel 14 is moved downward to drive the block 17 to be removed, which facilitates the removal of the belt 13 for replacement. By starting the motor 11 to drive the driving wheel 12 and the belt 13 to rotate, the lower driven wheel 14, the upper driven wheel 16 and the driving shaft 18 are driven to rotate, which facilitates the polishing device 111 to polish the cylinder sleeve 110.

[0031] Example 2

[0032] See also Figure 1-4 , this embodiment further explains Example 1. The figure shows a bimetallic cylinder inner wall grinding and polishing machine, including a polishing box 1, a motor 11 is fixedly installed on the lower end surface of the polishing box 1, a driving wheel 12 is fixedly connected to the rotating shaft of the motor 11, a belt 13 is sleeved on the outer side of the driving wheel 12, a lower driven wheel 14 is sleeved on one side of the belt 13, a screw 15 is threadedly connected to the inside of the lower driven wheel 14, an upper end of the screw 15 is threadedly connected to an upper driven wheel 16, a clamping block 17 is fixedly welded to the upper end surface of the lower driven wheel 14, a driving shaft 18 is fixedly welded to the upper end of the upper driven wheel 16, a sealed bearing 19 is sleeved on the outer side of the driving shaft 18, a drain pipe 2 is fixedly welded to the lower end of the polishing box 1, a support ring 21 is tightly attached to the upper end of the drain pipe 2, a filter screen 22 is fixedly welded to the lower end of the support ring 21, a water tank 23 is fixedly connected to the lower end of the drain pipe 2, and a water outlet pipe 24 is fixedly welded to the surface of the water tank 23.

[0033] In order to recycle water, a water spray pipe 28 is sleeved inside the upper end of the polishing box 1, and the water outlet of the water spray pipe 28 is aligned with the cylinder sleeve 110. By starting the water pump 26, the water flow inside the water tank 23 is drawn through the water spray pipe 28 to spray water on the cylinder sleeve 110, and the waste water flows back to the water tank 23 through the drain pipe 2, so that water resources can be recycled. A water inlet 25 is fixedly welded on the upper end of the water tank 23, and a water pump 26 is fixedly installed on one side of the water tank 23. A circulation pipe 27 is fixedly connected to one side of the water pump 26, and the upper end of the circulation pipe 27 is fixedly connected to the water spray pipe 28. The upper end of the polishing box 1 is tightly attached to the circulation pipe 27, and the bottom of the polishing box 1 is sleeved with a support ring 21. When the water flow inside the water tank 23 is seriously polluted, the water valve of the water outlet pipe 24 can be opened to discharge the sewage, and clean water can be injected from the water inlet 25 for reuse. The filter screen 22 is connected to the inside of the drain pipe 2, and a water valve is installed at the upper end of the water outlet pipe 24. The design of the filter screen 22 can filter the waste water so that the water flow can be recycled.

[0034] In this embodiment, the water pump 26 is started to extract the water flow inside the water tank 23 through the water spray pipe 28 to spray water on the cylinder sleeve 110, and the waste water flows back to the water tank 23 through the drain pipe 2, so that the water resources can be recycled. When the water flow inside the water tank 23 is seriously polluted, the water valve of the water outlet pipe 24 can be opened to discharge the sewage, and clean water can be injected from the water inlet 25 for reuse. The design of the filter net 22 can filter the waste water so that the water flow can be recycled.

[0035] The bimetal cylinder inner wall grinding and polishing machine can effectively prevent water from entering the motor 11 and causing damage by sleeve-connecting a sealed bearing 19 at the bottom of the polishing box 1 and using a belt 13 to transmit the power of the driving wheel 12 to drive the lower driven wheel 14 and the upper driven wheel 16 to rotate. By rotating the removal screw 15, the lower driven wheel 14 is moved downward to drive the block 17 to be removed, which facilitates the removal of the belt 13 for replacement. By starting the motor 11 to drive the driving wheel 12 and the belt 13 to rotate, the lower driven wheel 14, the upper driven wheel 16 and The drive shaft 18 rotates to facilitate the polishing device 111 to polish the cylinder sleeve 110; by starting the water pump 26, the water flow inside the water tank 23 is extracted through the water spray pipe 28 to spray water on the cylinder sleeve 110, and the waste water flows back to the water tank 23 through the drain pipe 2, so that the water resources can be recycled. When the water flow inside the water tank 23 is seriously polluted, the water valve of the water outlet pipe 24 can be opened to discharge the sewage, and clean water can be injected from the water inlet 25 for reuse. The design of the filter net 22 can filter the waste water so that the water flow can be recycled.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A bimetallic cylinder liner inner wall grinding and polishing machine, comprising a polishing box (1), characterized in that: A motor (11) is fixedly mounted on the lower end surface of the polishing box (1), the rotating shaft of the motor (11) is fixedly connected to a driving wheel (12), a belt (13) is sleeved on the outer side of the driving wheel (12), a lower driven wheel (14) is sleeved on one side of the belt (13), a screw (15) is threadedly connected to the inside of the lower driven wheel (14), the upper end of the screw (15) is threadedly connected to the upper driven wheel (16), and a clamping block (16) is fixedly welded on the upper end surface of the lower driven wheel (14). 17), a driving shaft (18) is fixedly welded to the upper end of the upper driven wheel (16), a sealing bearing (19) is sleeved on the outer side of the driving shaft (18), a drain pipe (2) is fixedly welded to the lower end of the polishing box (1), a support ring (21) is tightly attached to the upper end of the drain pipe (2), a filter screen (22) is fixedly welded to the lower end surface of the support ring (21), the lower end of the drain pipe (2) is fixedly connected to a water tank (23), and a water outlet pipe (24) is fixedly welded to the surface of the water tank (23).

2. A bimetallic cylinder liner inner wall grinding and polishing machine according to claim 1, characterized in that: An upper driven wheel (16) is sleeved inside one side of the belt (13), and the upper end of the lower driven wheel (14) is tightly attached to the upper driven wheel (16).

3. A bimetallic cylinder liner inner wall grinding and polishing machine according to claim 1, characterized in that: The clamping block (17) is firmly clamped to the driven wheel (16), and the bottom of the polishing box (1) is sleeved with a driving shaft (18).

4. A bimetallic cylinder liner inner wall grinding and polishing machine according to claim 1, characterized in that: A cylinder sleeve (110) is installed at the upper end of the driving shaft (18), a polishing device (111) is installed inside the polishing box (1), a sealed bearing (19) is installed at the bottom of the polishing box (1), and the polishing device (111) is tightly attached to one side of the cylinder sleeve (110).

5. The bimetallic cylinder liner inner wall grinding and polishing machine according to claim 1, characterized in that: A water spray pipe (28) is sleeved inside the upper end of the polishing box (1), and the water outlet of the water spray pipe (28) is aligned with the cylinder sleeve (110).

6. A bimetallic cylinder liner inner wall grinding and polishing machine according to claim 1, characterized in that: A water inlet (25) is fixedly welded to the upper end of the water tank (23); a water pump (26) is fixedly installed on one side of the water tank (23); a circulation pipe (27) is fixedly connected to one side of the water pump (26); a water spray pipe (28) is fixedly connected to the upper end of the circulation pipe (27); the circulation pipe (27) is tightly attached to the upper end of the polishing box (1); and the bottom of the polishing box (1) is sleeved with a support ring (21).

7. The bimetallic cylinder liner inner wall grinding and polishing machine according to claim 1, characterized in that: The interior of the drainage pipe (2) is sleeved with a filter screen (22), and the upper end of the water outlet pipe (24) is provided with a water valve.

Images