CN112247822A - High-precision valve body inner surface machining device - Google Patents

High-precision valve body inner surface machining device Download PDF

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Publication number
CN112247822A
CN112247822A CN202011219561.2A CN202011219561A CN112247822A CN 112247822 A CN112247822 A CN 112247822A CN 202011219561 A CN202011219561 A CN 202011219561A CN 112247822 A CN112247822 A CN 112247822A
Authority
CN
China
Prior art keywords
valve body
fastening seat
seat
fixed
end cover
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202011219561.2A
Other languages
Chinese (zh)
Inventor
李俊烨
隋拓
丁红昌
石广丰
王新鹏
刘建河
尚春民
周化文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Research Institute Of Changchun University Of Technology
Changchun University of Science and Technology
Original Assignee
Chongqing Research Institute Of Changchun University Of Technology
Changchun University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Chongqing Research Institute Of Changchun University Of Technology, Changchun University of Science and Technology filed Critical Chongqing Research Institute Of Changchun University Of Technology
Priority to CN202011219561.2A priority Critical patent/CN112247822A/en
Publication of CN112247822A publication Critical patent/CN112247822A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/10—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B41/00—Component parts such as frames, beds, carriages, headstocks
    • B24B41/06—Work supports, e.g. adjustable steadies
    • B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B47/00—Drives or gearings; Equipment therefor
    • B24B47/10—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces
    • B24B47/12—Drives or gearings; Equipment therefor for rotating or reciprocating working-spindles carrying grinding wheels or workpieces by mechanical gearing or electric power

Abstract

The invention provides a high-precision valve body inner surface processing device, which comprises: the device comprises a working bottom plate, a supporting seat, an ejector rod, a fastening seat 1, a fastening seat 2, an upper end cover, an inlet, a sealing ring, a clamping seat, a valve body, a fixed base, a lower end cover, an outlet and a motor. This device adopts the ejector pin to pass fastening seat 1 and fastening seat 2 simultaneously, through the degree of depth of adjusting 2 ejector pins embedding fastening seat 2, the tight degree of regulation clamp that can be free, entry one side lets in the abrasive particle stream, then the abrasive particle stream flows from export one side, take drive gear's lower extreme lid under the drive of motor, the drive arrangement is rotatory, make abrasive particle and valve body internal surface fully contact, greatly increase valve body internal surface and passageway polishing efficiency, and the device compact structure, the dismouting of being convenient for, the dependable performance, economy and practicability.

Description

High-precision valve body inner surface machining device
Technical Field
The invention relates to an abrasive flow processing technology, in particular to a device for processing the inner surface of a high-precision valve body by using abrasive flow.
Background
The valve body plays an important role in controlling the direction, pressure and flow rate of fluid. The method is widely applied to the fields of chemical industry, printing and dyeing, oiling, spinning, machinery, metallurgy and the like. The valve body is required to have good service performance and high resistance to thermal expansion, impact load and deformation and bending. Bear the high temperature, high pressure, strong corrosion and high abrasion of different media. Because the inner surface of the valve body directly contacts with the medium, if the roughness of the inner surface of the valve body is large, the medium can generate turbulence in part, and the valve body works for a long time and can seriously wear the inner surface of the valve body. Therefore, the processing quality of the inner surface plays an important role in the safety and stability of the equipment. The polishing of the inner surface of the valve body becomes particularly important.
The abrasive flow machining technology is one new kind of machining process, and the abrasive medium (one kind of flowable mixture with abrasive grains) is made to flow through the surface of workpiece under pressure to eliminate burr, flash and round corner, so as to reduce the waviness and roughness of the workpiece surface and reach the smooth finish of precise machining. Some complex internal surfaces or curved surfaces are difficult to polish by conventional machining, and the problem can be solved by using abrasive flow machining technology.
Disclosure of Invention
The invention aims to provide a high-precision device for processing the inner surface of a valve body, which solves the problem of difficulty in processing the inner surface of the valve body.
The invention provides the following technical scheme: the utility model provides a high accuracy valve body internal surface processingequipment which characterized in that: the device comprises a working bottom plate, a supporting seat, an ejector rod, a fastening seat 1, a fastening seat 2, an upper end cover, an inlet, a sealing ring, a clamping seat, a valve body, a thrust ball bearing, a shaft sleeve, a fixed base, a lower end cover, an outlet and a motor. The supporting seat is fixed on the working bottom plate through a bolt, an outer cylindrical surface of the shaft sleeve is in interference fit with the inner surface of the supporting seat, a lower ring of the thrust ball bearing is in interference fit with the shaft sleeve, the fixed base is in interference fit with a tight edge (an upper ring) of the thrust ball bearing, and the lower end cover with the transmission gear is fixed on the lower portion of the fixed base through a bolt; the valve body is fixed at the upper end of the fixed base; the sealing ring is sleeved at the bottom of the cylindrical end of the valve body, the ports with slopes of the two clamping seats are upward and matched with the cylindrical surface of the valve body, the bottoms of the clamping seats are provided with annular grooves, and the sealing ring is embedded in the grooves; the clamping of the device is realized by a threaded ejector rod simultaneously passing through the fastening seat 1 and the fastening seat 2. The fastening seat 1 is fixed on the fixed base through a bolt, the fastening seat 2 is fixed on the clamping seat through a bolt, the centers of the threaded holes of the fastening seat 1 and the fastening seat 2 are coaxial and collinear, the sealing ring is embedded in an upper end cover with a ring groove, and the upper end cover is fixed on the clamping seat through a bolt; the inlet is coaxially connected with the upper end cover and can be installed in a rotatable and axially immovable manner; the outlet is fixed in the through hole below the fixed base and can be rotatably and axially movably mounted.
Further, preferably: the outer cylindrical surface of the shaft sleeve is in interference fit with the inner surface of the supporting seat, and the lower ring of the thrust ball bearing is in interference fit with the inner cylindrical surface of the shaft sleeve; the height of the shaft sleeve is lower than that of an upper ring of the thrust ball bearing; therefore, the positioning effect of the device is achieved, and the upper ring of the bearing can be ensured to have no friction resistance during rotation.
Further, preferably: the fixed base is in interference fit with a tight edge (upper ring) of the thrust ball bearing. Because of unable adjustment base and thrust ball bearing upper race interference fit, when unable adjustment base is rotatory, can drive thrust ball bearing upper race and ball part and rotate.
Further, preferably: the lower end cover with the transmission gear is fixed at the lower part of the fixed base through a bolt, and the transmission gear obtains rotation energy from the motor; the lower end cover is connected with the fixed base through a bolt, so that the fixed base is driven to rotate; thereby driving the whole device to rotate.
Further, preferably: the clamping of the device is realized by a threaded ejector rod simultaneously passing through the fastening seat 1 and the fastening seat 2. The ejector pin passes fastening seat 1 and fastening seat 2 simultaneously, and through the degree of depth of adjusting 2 ejector pins embedding fastening seat 2, the tight degree of regulation clamp that can be free.
Further, preferably: the inlet is coaxially connected with the upper end cover and can be installed in a rotating and non-axial movable mode, and the outlet is fixed in a through hole in the lower side of the fixed base and can be installed in a rotating and non-axial movable mode; let entry one side let in the grit and flow, then the grit flows from export one side outflow, and the lower extreme lid that takes drive gear drives whole device and rotates under the drive of motor for the grit fully contacts with the valve body internal surface.
Drawings
FIG. 1 is a schematic assembly view of the present invention
FIG. 2 is a schematic view of the structure of the present invention
FIG. 3 is a schematic illustration of the ram
FIG. 4 is a schematic view of the fastening seat 1
FIG. 5 is a schematic view of the fastening seat 2
FIG. 6 is a schematic view of the clamping shoe
FIG. 7 is a schematic view of a valve body
In fig. 1: 1. the hydraulic valve comprises a workbench, a supporting seat, a push rod, a fastening seat 1, a fastening seat 5, an upper end cover 2, an upper end cover 6, an inlet 7, a sealing ring 8, a clamping seat 9, a valve body 10, a thrust ball bearing 11, a shaft sleeve 12, a fixed base 13, a lower end cover 14 and an outlet 15.
Detailed description of the preferred embodiments
The device is installed according to the following sequence, the supporting seat (2) is fixed on the working bottom plate (1) through bolts, the outer cylindrical surface of the shaft sleeve (12) is in interference fit with the inner surface of the supporting seat (2), the lower ring of the thrust ball bearing (11) is in interference fit with the shaft sleeve (12), the fixed base (13) is in interference fit with the upper ring of the thrust ball bearing (11), and the lower end cover (14) with the transmission gear is fixed at the lower end of the fixed base (13) through bolts. The valve body (10) is fixed at the upper end of the fixed base (13). The sealing ring (8) is sleeved at the bottom of the cylindrical end of the valve body (10), and the ports of the two clamping seats (9) with slopes face upwards and are matched with the cylindrical surface of the valve body (10); the bottom of the clamping seat (9) is provided with an annular groove, a sealing ring (8) is embedded into the groove, and the clamping of the device is realized by simultaneously penetrating the threaded ejector rod (3) through the clamping seats 1 and 2 and 5. The fastening seat 1(4) is fixed on the fixed base (13) through bolts, the fastening seat 2(5) is fixed on the clamping seat (9) through bolts, the centers of the holes with threads of the fastening seat 1(4) and the fastening seat 2(5) are coaxial and collinear, the sealing ring (8) is embedded in the upper end cover (6) with the annular groove, and the upper end cover (6) is fixed on the clamping seat (9) through bolts. The inlet (7) is coaxially connected with the upper end cover (6) and can be installed in a rotating and non-axial movable mode; the outlet (15) is fixed in a through hole below the fixed base (13) and can be rotatably installed in a mode of axial movement.
When the device works, the clamping of the device is realized by the way that the threaded mandril (3) simultaneously passes through the fastening seats 1(4) and the fastening seats 2 (5); the ejector rods (3) simultaneously penetrate through the fastening seats 1(4) and the fastening seats 2(5), and the clamping degree can be freely adjusted by adjusting the depth of embedding the 2 ejector rods into the fastening seats 2; because the outer circle surface of the shaft sleeve (12) is in interference fit with the inner circle surface of the supporting seat (2), the lower ring of the rolling bearing (11) is in interference fit with the inner surface of the shaft sleeve (12), the tight edge (upper ring) of the fixed base (13) is in interference fit with the thrust ball bearing (11), and the lower end cover (14) with the transmission gear is fixed at the lower end of the fixed base (13) through a bolt; the transmission gear obtains rotation energy from the motor to drive the lower end cover (14) to rotate so as to drive the whole device to rotate, the inlet (7) is coaxially connected with the upper end cover (6) and can be rotated and axially immovably installed, and the outlet (15) is fixed in a through hole below the fixed base (13) and can be rotated and axially immovably installed; the abrasive particle flow is introduced into one side of the inlet (7), flows out from one side of the outlet (15), and the valve body (11) is driven by the motor to rotate, so that the abrasive particles are fully contacted with the inner surface of the valve body (11), and the polishing efficiency is greatly improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a high accuracy valve body internal surface processingequipment which characterized in that: the device comprises a working bottom plate, a supporting seat, an ejector rod, a fastening seat 1, a fastening seat 2, an upper end cover, an inlet, a sealing ring, a clamping seat, a valve body, a thrust ball bearing, a shaft sleeve, a fixed base, a lower end cover, an outlet and a motor. The supporting seat is fixed on the working bottom plate through a bolt, an outer cylindrical surface of the shaft sleeve is in interference fit with the inner surface of the supporting seat, a lower ring of the thrust ball bearing is in interference fit with the shaft sleeve, the fixed base is in interference fit with a tight edge (an upper ring) of the thrust ball bearing, and the lower end cover with the transmission gear is fixed on the lower portion of the fixed base through a bolt; the valve body is fixed at the upper end of the fixed base; the sealing ring is sleeved at the bottom of the cylindrical end of the valve body, the ports with slopes of the two clamping seats are upward and matched with the cylindrical surface of the valve body, the bottoms of the clamping seats are provided with annular grooves, and the sealing ring is embedded in the grooves; the clamping of the device is realized by a threaded ejector rod simultaneously passing through the fastening seat 1 and the fastening seat 2. The fastening seat 1 is fixed on the fixed base through a bolt, the fastening seat 2 is fixed on the clamping seat through a bolt, the centers of the threaded holes of the fastening seat 1 and the fastening seat 2 are coaxial and collinear, the sealing ring is embedded in an upper end cover with a ring groove, and the upper end cover is fixed on the clamping seat through a bolt; the inlet is coaxially connected with the upper end cover and can be installed in a rotatable and axially immovable manner; the outlet is fixed in the through hole below the fixed base and can be rotatably and axially movably mounted.
2. A high-precision valve body inner surface processing apparatus according to claim 1, characterized in that: the outer cylindrical surface of the shaft sleeve is in interference fit with the inner surface of the supporting seat, the lower ring of the thrust ball bearing is in interference fit with the inner cylindrical surface of the shaft sleeve, and the height of the shaft sleeve is lower than that of the upper ring of the thrust ball bearing; therefore, the positioning effect of the device is achieved, and the upper ring of the bearing can be ensured to have no friction resistance during rotation.
3. A high-precision valve body inner surface processing apparatus according to claim 1, characterized in that: the fixed base is in interference fit with a tight edge (an upper ring) of the thrust ball bearing; because of unable adjustment base and thrust ball bearing upper race interference fit, when unable adjustment base is rotatory, can drive thrust ball bearing upper race and ball part and rotate.
4. A high-precision valve body inner surface processing apparatus according to claim 1, characterized in that: the lower end cover with the transmission gear is fixed at the lower part of the fixed base through a bolt, and the transmission gear obtains rotation energy from the motor; the lower end cover is connected with the fixed base through a bolt, so that the fixed base is driven to rotate; thereby driving the whole device to rotate.
5. A high-precision valve body inner surface processing apparatus according to claim 1, characterized in that: the clamping of the device is realized by a threaded ejector rod simultaneously passing through the fastening seat 1 and the fastening seat 2. The ejector pin passes fastening seat 1 and fastening seat 2 simultaneously, and through the degree of depth of adjusting 2 ejector pins embedding fastening seat 2, the tight degree of regulation clamp that can be free.
6. A high-precision valve body inner surface processing apparatus according to claim 1, characterized in that: the inlet is coaxially connected with the upper end cover and can be installed in a rotatable and axially immovable manner; the outlet is fixed in a through hole at the lower side of the fixed base and can be rotatably and axially movably mounted; let entry one side let in the grit and flow, then the grit flows from export one side outflow, and the lower extreme lid that takes drive gear drives whole device and rotates under the drive of motor for the grit fully contacts with the valve body internal surface.
CN202011219561.2A 2020-11-05 2020-11-05 High-precision valve body inner surface machining device Pending CN112247822A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011219561.2A CN112247822A (en) 2020-11-05 2020-11-05 High-precision valve body inner surface machining device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011219561.2A CN112247822A (en) 2020-11-05 2020-11-05 High-precision valve body inner surface machining device

Publications (1)

Publication Number Publication Date
CN112247822A true CN112247822A (en) 2021-01-22

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011219561.2A Pending CN112247822A (en) 2020-11-05 2020-11-05 High-precision valve body inner surface machining device

Country Status (1)

Country Link
CN (1) CN112247822A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113524011A (en) * 2021-06-17 2021-10-22 江苏飞船股份有限公司 Internal tooth gear surface refining device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113524011A (en) * 2021-06-17 2021-10-22 江苏飞船股份有限公司 Internal tooth gear surface refining device
CN113524011B (en) * 2021-06-17 2022-05-03 江苏飞船股份有限公司 Internal tooth gear surface refining device

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