Positioning chuck for valve sealing element machining

Abstract

The utility model relates to the field of the valve sealing element machining industry, in particular to a positioning chuck for machining a valve sealing element. The technical problems that in the prior art, a positioning chuck of a valve sealing piece usually cannot conveniently, rapidly and stably position the inner wall and the outer wall of a metal ring, a positioning mechanism is inconvenient to adjust, and the positioning effect is poor are solved. According to the technical scheme, the positioning chuck for machining the valve sealing element comprises a moving assembly; the sealing element further comprises a supporting assembly, a pressing assembly, a limiting assembly, a center positioning assembly, a chuck assembly and a sealing element body. The inner wall of the sealing element body is limited through the center positioning assembly, the outer wall of the sealing element body is limited through the limiting assembly after the limiting assembly is installed, the outer wall of the sealing element body can be extruded and fixed through the chuck assembly, and then the pressing assembly is started to press and fix the upper end of the sealing element body. In this way, the sealing element body can be rapidly and stably positioned, and the positioning mechanism is convenient to adjust.

Description

Technical Field

[0001] The utility model belongs to the field of valve sealing component processing, and in particular relates to a positioning chuck for valve sealing component processing. Background Art

[0002] Valve seals are usually key components in valve structures. Their processing accuracy and quality directly affect the sealing performance and service life of the valve. Therefore, in order to ensure the processing quality of valve seals, it is usually necessary to use a positioning chuck or fixture to fix and position the workpiece to ensure the stability and accuracy of the workpiece position during the processing. The valve seals of the valves usually have "O"-shaped metal rings. When processing such "O"-shaped metal rings, since the metal rings are easily deformed, they need to be stably fixed. However, the positioning chucks of valve seals in the prior art are usually not convenient for quickly and stably positioning the inner and outer walls of the metal rings, the positioning mechanism is inconvenient to adjust, and the positioning effect is poor. Utility Model Content

[0003] In order to overcome the problems that the positioning chuck of the valve seal in the prior art is usually not convenient for quickly and stably positioning the inner and outer walls of the metal ring, the positioning mechanism is inconvenient to adjust, and the positioning effect is poor.

[0004] The technical solution of the utility model is: a positioning chuck for valve seal processing, including a moving component; also including a supporting component, a pressing component, a limiting component, a center positioning component, a chuck component and a seal body; a supporting component for supporting the seal body is arranged at the upper end of the moving component; a pressing component for pressing down and fixing the seal body is arranged on the supporting component; a limiting component for limiting the seal body is arranged at the upper end of the supporting component; a center positioning component for center positioning of the seal body is arranged at the upper end of the supporting component; a chuck component for squeezing and positioning the outer wall of the seal body is arranged at the upper end of the supporting component.

[0005] Preferably, when in use, the moving assembly can be opened to move the supporting assembly to a suitable position, and the sealing body is placed on the upper end of the supporting assembly, so that the center positioning assembly limits the inner wall of the sealing body. After the limiting assembly is installed, the limiting assembly is used to limit the outer wall of the sealing body, and the chuck assembly can squeeze and fix the outer wall of the sealing body, and then the pressing assembly is opened to press down and fix the upper end of the sealing body, so as to achieve stable fixation of the sealing body, which solves the problems in the prior art that the positioning chuck of the valve seal is usually not convenient for quickly and stably positioning the inner and outer walls of the metal ring, the positioning mechanism is inconvenient to adjust, and the positioning effect is poor.

[0006] Preferably, the moving assembly includes a support body, a servo motor, a screw rod, a threaded sleeve, a bearing, a moving block and a moving plate; the left end of the support body is fixedly connected to the servo motor; the right end of the output shaft of the servo motor passes through the left end of the support body and is fixedly connected to the screw rod; the outer wall of the screw rod is movably mounted with the threaded sleeve; the inner wall of the right end of the support body is fixedly connected to the bearing; the outer wall of the right end of the screw rod is fitted with the inner wall of the bearing; the outer wall of the threaded sleeve is fixedly connected to the moving block; the upper end of the moving block is fixedly connected to the moving plate, and when the moving plate needs to be moved, the servo motor is turned on to rotate the screw rod, the threaded sleeve moves along the outer wall of the screw rod, and the moving block drives the moving plate to move.

[0007] Preferably, the support assembly includes a support plate, a fixed disk, an installation disk, a first through hole and a sealing body; the upper end of the movable plate is fixedly connected to the support plate; the upper end of the support plate is fixedly connected to the fixed disk; the upper end of the fixed disk is movably provided with an installation disk; the upper end of the installation disk is penetrated by evenly distributed first through holes at both ends; the upper end of the installation disk is fitted with the lower end of the sealing body, and multiple installation disks can be stacked and placed on the upper end of the fixed disk when in use, so as to support sealing bodies of different thicknesses, which is convenient to use.

[0008] Preferably, the pressing assembly includes a fixed plate, a bearing plate, an electric cylinder, a fixed column, a first pressure plate, a connecting column, a second pressure plate and a rubber plate; the upper end of the support plate is fixedly connected to the fixed plate; the left end of the fixed plate is fixedly connected to the bearing plate; the upper end of the bearing plate is fixedly connected to the electric cylinder; the lower end of the telescopic rod of the electric cylinder passes through the bearing plate and is fixedly connected to the fixed column; the lower end of the fixed column is fixedly connected to the first pressure plate; the lower end of the first pressure plate is fixedly connected to the connecting column; the lower end of the connecting column is fixedly connected to the second pressure plate; the lower end of the second pressure plate is fixedly connected to the rubber plate, and when it is necessary to press down and fix the upper end of the sealing body, the electric cylinder is turned on to move the fixed column so that the lower end of the rubber plate is squeezed against the upper end of the sealing body, so that the sealing body can be fixed. The arrangement of the connecting column and the second pressure plate can facilitate the user to observe the deformation of the rubber plate and avoid excessive downward pressure.

[0009] Preferably, the limiting assembly includes a threaded column, a steel cylinder and a rubber cylinder; the upper end of the support plate is fixedly connected with evenly distributed threaded columns; the outer wall of the threaded column fits with the inner wall of the first through hole; the outer wall of the threaded column is threadedly installed with a steel cylinder; the outer wall of the steel cylinder is threadedly installed with a rubber cylinder; the outer wall of the rubber cylinder fits with the outer wall of the sealing body, the steel cylinder is threadedly installed on the inner wall of the threaded column, the steel cylinder can press down and fix the mounting plate, and then the rubber cylinder is threadedly installed on the outer wall of the steel cylinder, and the outer wall of the rubber cylinder can limit the outer wall of the sealing body.

[0010] Preferably, the center positioning assembly includes a center block, a rubber protrusion and a positioning block; the center block is fixedly connected to the center of the upper end of the mounting plate; the outer wall of the center block is fixedly connected to the rubber protrusions evenly distributed; the outer wall of the rubber protrusion is fixedly connected to the positioning block; the positioning block is "T" shaped; the end of the positioning block away from the center block is an arc surface; the end of the positioning block away from the center block is in contact with the inner wall of the seal body, and since the rubber protrusion is made of rubber, it is convenient to place the seal body on the outer walls of multiple positioning blocks.

[0011] Preferably, the chuck assembly includes a fixed block, a spring, a chuck block, a second through hole, a pull column and a pull ring; the upper end of the mounting plate is fixedly connected to evenly distributed fixed blocks; a symmetrical spring is fixedly connected to one end of the fixed block close to the center block; a chuck block is fixedly connected to one end of the spring close to the center block; one end of the chuck block close to the center block is fitted with the outer wall of the seal body; the end of the chuck block away from the center block is fixedly connected to the pull column; second through holes are penetrated at both ends of the fixed block; the inner wall of the second through hole is fitted with the outer wall of the pull column; the other end of the pull column is fixedly connected to a pull ring, and when the position of the chuck block needs to be adjusted, the pull ring is manually pulled to compress the spring, which can drive the chuck block to move. After releasing the hand, the elastic force of the spring on the chuck block will squeeze the chuck block against the outer wall of the seal body, thereby facilitating stable clamping of the seal body.

[0012] Beneficial effects of the utility model:

[0013] 1. The support assembly can be moved to a suitable position by opening the moving assembly, and the seal body is placed on the upper end of the supporting assembly, so that the center positioning assembly limits the inner wall of the seal body. After the limiting assembly is installed, the outer wall of the seal body is limited by the limiting assembly, and the chuck assembly can squeeze and fix the outer wall of the seal body, and then the pressing assembly is opened to press down and fix the upper end of the seal body, so as to achieve stable fixation of the seal body, which solves the problem that the positioning chuck of the valve seal in the prior art is usually not convenient for quickly and stably positioning the inner and outer walls of the metal ring, the positioning mechanism is inconvenient to adjust, and the positioning effect is poor;

[0014] 2. When in use, multiple mounting plates can be stacked and placed on the upper end of the fixed plate to support the seal bodies of different thicknesses. When the upper end of the seal body needs to be pressed down and fixed, the electric cylinder is turned on to move the fixing column so that the lower end of the rubber plate presses the upper end of the seal body to fix the seal body. The setting of the connecting column and the second pressure plate can facilitate the user to observe the deformation of the rubber plate and avoid excessive downward pressure;

[0015] 3. Install the steel tube thread on the inner wall of the threaded column. The steel tube can press down and fix the mounting plate. Then install the rubber tube thread on the outer wall of the steel tube. The outer wall of the rubber tube can limit the outer wall of the seal body. In addition, by manually pulling the pull ring to compress the spring, the chuck block can be driven to move. After releasing the hand, the elastic force of the spring on the chuck block will squeeze the chuck block against the outer wall of the seal body, thereby facilitating stable clamping of the seal body. The multi-directional clamping of the seal body can improve the stability of the seal body when it is placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 What is shown is a three-dimensional structural schematic diagram of a positioning chuck for valve seal processing of the utility model;

[0017] Figure 2 What is shown is a three-dimensional structural schematic diagram of a moving component of a positioning chuck for valve seal processing of the utility model;

[0018] Figure 3 The three-dimensional structure schematic diagram of a pressing component of a positioning chuck for valve seal processing of the utility model is shown;

[0019] Figure 4 The three-dimensional structure diagram of the support component and the limit component of the positioning chuck for valve seal processing of the utility model is shown;

[0020] Figure 5 What is shown is a three-dimensional structural schematic diagram of a center positioning component and a chuck component of a positioning chuck for valve seal processing of the utility model.

[0021] The markings in the accompanying drawings are: 1-moving assembly, 101-support body, 102-servo motor, 103-screw rod, 104-thread sleeve, 105-bearing, 106-moving block, 107-moving plate, 2-support assembly, 201-support plate, 202-fixed plate, 203-mounting plate, 204-first through hole, 205-seal body, 3-pressing assembly, 301-fixed plate, 302-carrying plate, 303-electric cylinder, 304- Fixed column, 305-first pressure plate, 306-connecting column, 307-second pressure plate, 308-rubber plate, 4-limiting assembly, 401-threaded column, 402-steel cylinder, 403-rubber cylinder, 5-center positioning assembly, 501-center block, 502-rubber protrusion, 503-positioning block, 6-chuck assembly, 601-fixed block, 602-spring, 603-chuck block, 604-second through hole, 605-pull column, 606-pull ring. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0023] See also Figure 1 The utility model provides an embodiment: a positioning chuck for valve seal processing, including a moving component 1; also including a supporting component 2, a pressing component 3, a limiting component 4, a center positioning component 5, a chuck component 6 and a seal body 205; the upper end of the moving component 1 is provided with a supporting component 2 for supporting the seal body 205; the supporting component 2 is provided with a pressing component 3 for pressing down and fixing the seal body 205; the upper end of the supporting component 2 is provided with a limiting component 4 for limiting the seal body 205; the upper end of the supporting component 2 is provided with a center positioning component 5 for center positioning of the seal body 205; the upper end of the supporting component 2 is provided with a chuck component 6 for squeezing and positioning the outer wall of the seal body 205.

[0024] See also Figure 2 In this embodiment, the moving component 1 includes a support body 101, a servo motor 102, a screw rod 103, a threaded sleeve 104, a bearing 105, a moving block 106 and a moving plate 107; the left end of the support body 101 is fixedly connected to the servo motor 102; the right end of the output shaft of the servo motor 102 passes through the left end of the support body 101 and is fixedly connected to the screw rod 103; the outer wall of the screw rod 103 is movably mounted with the threaded sleeve 104; the inner wall of the right end of the support body 101 is fixedly connected to the bearing 105; the outer wall of the right end of the screw rod 103 is in contact with the inner wall of the bearing 105; the outer wall of the threaded sleeve 104 is fixedly connected to the moving block 106; the upper end of the moving block 106 is fixedly connected to the moving plate 107.

[0025] See also Figure 3 In this embodiment, the pressing assembly 3 includes a fixing plate 301, a bearing plate 302, an electric cylinder 303, a fixing column 304, a first pressure plate 305, a connecting column 306, a second pressure plate 307 and a rubber disc 308; the upper end of the supporting plate 201 is fixedly connected to the fixing plate 301; the left end of the fixing plate 301 is fixedly connected to the bearing plate 302; the upper end of the bearing plate 302 is fixedly connected to the electric cylinder 303; the lower end of the telescopic rod of the electric cylinder 303 passes through the bearing plate 302 and is fixedly connected to the fixing column 304; the lower end of the fixing column 304 is fixedly connected to the first pressure plate 305; the lower end of the first pressure plate 305 is fixedly connected to the connecting column 306; the lower end of the connecting column 306 is fixedly connected to the second pressure plate 307; the lower end of the second pressure plate 307 is fixedly connected to the rubber disc 308.

[0026] See also Figure 4In this embodiment, the support assembly 2 includes a support plate 201, a fixed plate 202, a mounting plate 203, a first through hole 204 and a sealing body 205; the upper end of the movable plate 107 is fixedly connected to the support plate 201; the upper end of the support plate 201 is fixedly connected to the fixed plate 202; the upper end of the fixed plate 202 is movably provided with a mounting plate 203; the upper and lower ends of the mounting plate 203 are penetrated with uniformly distributed first through holes 204; the upper end of the mounting plate 203 and the The lower end of the sealing body 205 is fitted; the limiting assembly 4 includes a threaded column 401, a steel cylinder 402 and a rubber cylinder 403; the upper end of the support plate 201 is fixed with evenly distributed threaded columns 401; the outer wall of the threaded column 401 is fitted with the inner wall of the first through hole 204; the outer wall of the threaded column 401 is threadedly installed with a steel cylinder 402; the outer wall of the steel cylinder 402 is threadedly installed with a rubber cylinder 403; the outer wall of the rubber cylinder 403 is fitted with the outer wall of the sealing body 205.

[0027] See also Figure 5 In this embodiment, the center positioning assembly 5 includes a center block 501, a rubber protrusion 502 and a positioning block 503; the center block 501 is fixedly connected to the center of the upper end of the mounting plate 203; the outer wall of the center block 501 is fixedly connected to the rubber protrusions 502 evenly distributed; the outer wall of the rubber protrusion 502 is fixedly connected to the positioning block 503; the positioning block 503 is "T" shaped; the end of the positioning block 503 away from the center block 501 is an arc surface; the end of the positioning block 503 away from the center block 501 is in contact with the inner wall of the seal body 205; the chuck assembly 6 includes a fixing block 601, a spring 602, a chuck block 603, a second through hole 604, a pull column 605 and a pull ring 606; the upper end of the mounting disk 203 is fixedly connected with uniformly distributed fixing blocks 601; the end of the fixing block 601 close to the center block 501 is fixedly connected with a symmetrical spring 602; the end of the spring 602 close to the center block 501 is fixedly connected with a chuck block 603; the end of the chuck block 603 close to the center block 501 is fitted with the outer wall of the sealing body 205; the end of the chuck block 603 away from the center block 501 is fixedly connected with a pull column 605; second through holes 604 are penetrated at both ends of the fixing block 601; the inner wall of the second through hole 604 is fitted with the outer wall of the pull column 605; the other end of the pull column 605 is fixedly connected with a pull ring 606.

[0028] When working, first, multiple mounting plates 203 are stacked and placed on the upper end of the fixed plate 202 according to the thickness of the sealing body 205, so as to support the sealing bodies 205 of different thicknesses. The pull ring 606 is manually pulled to compress the spring 602, so as to drive the chuck block 603 to move. After releasing the hand, the elastic force of the spring 602 on the chuck block 603 will squeeze the chuck block 603 against the outer wall of the sealing body 205.

[0029] Next, the steel cylinder 402 is threadedly installed on the inner wall of the threaded column 401, and the steel cylinder 402 can press down and fix the mounting plate 203, and then the rubber cylinder 403 is threadedly installed on the outer wall of the steel cylinder 402, and the outer wall of the rubber cylinder 403 can limit the outer wall of the sealing body 205;

[0030] When the upper end of the seal body 205 needs to be pressed down and fixed, the electric cylinder 303 is turned on to move the fixing column 304, so that the lower end of the rubber disc 308 presses the upper end of the seal body 205, and the seal body 205 can be fixed;

[0031] When the movable plate 107 needs to be moved, the servo motor 102 is turned on to rotate the screw rod 103, and the wire sleeve 104 moves along the outer wall of the screw rod 103, and the movable block 106 drives the movable plate 107 to move, so as to facilitate moving the fixed seal body 205 to a suitable position for processing.

[0032] Through the above steps, when in use, opening the moving component 1 can move the supporting component 2 to a suitable position, and placing the sealing body 205 on the upper end of the supporting component 2, so that the center positioning component 5 limits the inner wall of the sealing body 205, and after the limiting component 4 is installed, the limiting component 4 is used to limit the outer wall of the sealing body 205, and the chuck component 6 can squeeze and fix the outer wall of the sealing body 205, and then open the pressing component 3 to press down and fix the upper end of the sealing body 205, so as to achieve stable fixation of the sealing body 205, which solves the problems that the positioning chuck of the valve seal in the prior art is usually not convenient for quickly and stably positioning the inner and outer walls of the metal ring, the positioning mechanism is inconvenient to adjust, and the positioning effect is poor.

[0033] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A positioning chuck for valve seal processing, comprising a moving component (1); characterized in that: The invention also comprises a support component (2), a pressing component (3), a limiting component (4), a center positioning component (5), a chuck component (6) and a sealing body (205); the upper end of the moving component (1) is provided with a support component (2) for supporting the sealing body (205); the support component (2) is provided with a pressing component (3) for pressing down and fixing the sealing body (205); the upper end of the support component (2) is provided with a limiting component (4) for limiting the position of the sealing body (205); the upper end of the support component (2) is provided with a center positioning component (5) for center positioning the sealing body (205); the upper end of the support component (2) is provided with a chuck component (6) for pressing and positioning the outer wall of the sealing body (205).

2. A positioning chuck for valve seal processing according to claim 1, characterized in that: The moving assembly (1) comprises a support body (101), a servo motor (102), a screw rod (103), a threaded sleeve (104), a bearing (105), a moving block (106) and a moving plate (107); the left end of the support body (101) is fixedly connected to the servo motor (102); the right end of the output shaft of the servo motor (102) passes through the left end of the support body (101) and is fixedly connected to the screw rod (103); the outer wall of the screw rod (103) is movably mounted with the threaded sleeve (104); the inner wall of the right end of the support body (101) is fixedly connected to the bearing (105); the outer wall of the right end of the screw rod (103) is in contact with the inner wall of the bearing (105); the outer wall of the threaded sleeve (104) is fixedly connected to the moving block (106); and the upper end of the moving block (106) is fixedly connected to the moving plate (107).

3. A positioning chuck for valve seal processing according to claim 2, characterized in that: The support assembly (2) comprises a support plate (201), a fixed plate (202), a mounting plate (203), a first through hole (204) and a sealing body (205); the upper end of the movable plate (107) is fixedly connected to the support plate (201); the upper end of the support plate (201) is fixedly connected to the fixed plate (202); the upper end of the fixed plate (202) is movably provided with a mounting plate (203); the upper and lower ends of the mounting plate (203) are penetrated by evenly distributed first through holes (204); the upper end of the mounting plate (203) is in contact with the lower end of the sealing body (205).

4. A positioning chuck for valve seal processing according to claim 3, characterized in that: The pressing assembly (3) comprises a fixing plate (301), a bearing plate (302), an electric cylinder (303), a fixing column (304), a first pressure plate (305), a connecting column (306), a second pressure plate (307) and a rubber plate (308); the upper end of the supporting plate (201) is fixedly connected to the fixing plate (301); the left end of the fixing plate (301) is fixedly connected to the bearing plate (302); the upper end of the bearing plate (302) is fixedly connected to the An electric cylinder (303) is provided; the lower end of the telescopic rod of the electric cylinder (303) passes through the bearing plate (302) and is fixedly connected to a fixing column (304); the lower end of the fixing column (304) is fixedly connected to a first pressure plate (305); the lower end of the first pressure plate (305) is fixedly connected to a connecting column (306); the lower end of the connecting column (306) is fixedly connected to a second pressure plate (307); the lower end of the second pressure plate (307) is fixedly connected to a rubber plate (308).

5. The positioning chuck for valve seal processing according to claim 3, characterized in that: The limiting assembly (4) comprises a threaded column (401), a steel cylinder (402) and a rubber cylinder (403); the upper end of the support plate (201) is fixedly connected with the threaded columns (401) which are evenly distributed; the outer wall of the threaded column (401) fits with the inner wall of the first through hole (204); the steel cylinder (402) is threadedly installed on the outer wall of the threaded column (401); the rubber cylinder (403) is threadedly installed on the outer wall of the steel cylinder (402); the outer wall of the rubber cylinder (403) fits with the outer wall of the sealing element body (205).

6. A positioning chuck for valve seal processing according to claim 3, characterized in that: The center positioning assembly (5) comprises a center block (501), a rubber protrusion (502) and a positioning block (503); the center block (501) is fixedly connected to the center of the upper end of the mounting plate (203); the outer wall of the center block (501) is fixedly connected to the rubber protrusions (502) which are evenly distributed; the outer wall of the rubber protrusion (502) is fixedly connected to the positioning block (503); the positioning block (503) is in a "T" shape; the end of the positioning block (503) away from the center block (501) is an arc surface; the end of the positioning block (503) away from the center block (501) is in contact with the inner wall of the sealing element body (205).

7. A positioning chuck for valve seal processing according to claim 1, characterized in that: The chuck assembly (6) comprises a fixing block (601), a spring (602), a chuck block (603), a second through hole (604), a pull column (605) and a pull ring (606); the upper end of the mounting plate (203) is fixedly connected to the evenly distributed fixing blocks (601); one end of the fixing block (601) close to the center block (501) is fixedly connected to the symmetrical spring (602); one end of the spring (602) close to the center block (501) is fixedly connected to the chuck block (603); one end of the chuck block (603) close to the center block (501) is in contact with the outer wall of the sealing body (205); one end of the chuck block (603) away from the center block (501) is fixedly connected to a pull column (605); second through holes (604) are provided at both ends of the fixed block (601); the inner wall of the second through hole (604) is in contact with the outer wall of the pull column (605); and the other end of the pull column (605) is fixedly connected to a pull ring (606).

Images