Valve seat machining clamping mechanism

Abstract

The utility model relates to the technical field of valve machining, and discloses a valve seat machining clamping mechanism which comprises a base, a mounting plate is connected in the base in a sliding mode, an adjusting assembly is arranged in the base and used for adjusting the height of the mounting plate, two supporting rods are arranged at the top of the mounting plate, and the supporting rods are used for supporting the mounting plate. Wherein one supporting rod is fixedly connected to the right portion of the top side of the mounting plate, the other supporting rod is slidably connected to the interior of the left side of the mounting plate, a mounting block is fixedly connected to the top sides of the supporting rods, and a first electric push rod is fixedly connected to the interior of the mounting block. According to the clamping mechanism, the multiple clamping plates conduct expansion clamping on the interior of the valve seat, influences caused by the clamping plates in the valve seat machining process are reduced, machining of the valve seat is facilitated, the cam rotates to drive the mounting plate to slide in the base, and therefore the height of the valve seat is adjusted, and the clamping mechanism can meet different use requirements.

Description

Technical Field

[0001] The utility model relates to the technical field of valve processing, in particular to a valve seat processing clamping mechanism. Background Art

[0002] The valve seat is an important component of the valve. It is located inside the valve body and its main function is to support and accurately position the valve disc or valve plug, while providing a sealing surface. The design of the valve seat and the choice of material play a decisive role in the sealing performance and service life of the valve.

[0003] When performing valve seat machining operations, a key step is to use a precise clamping mechanism that can reliably and securely position the valve seat in the machining equipment. The main purpose of this is to ensure the accuracy of the machining process and prevent any unnecessary movement of the valve seat during machining, thereby ensuring that the machined valve seat fully meets the design requirements and meets high standards of quality.

[0004] The existing clamping mechanism clamps and fixes the valve seat from the outside of the valve seat through multiple clamping plates, which causes the clamping plates to affect the valve seat during processing, which is not conducive to valve seat processing. Therefore, a valve seat processing clamping mechanism is proposed to solve the above problem. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a valve seat processing clamping mechanism, which aims to improve the problem in the prior art that the valve seat is affected by the clamping plate during the processing.

[0006] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0007] A valve seat processing clamping mechanism comprises a base, a mounting plate is slidably connected to the inside of the base, an adjusting component is provided inside the base, the adjusting component is used to adjust the height of the mounting plate, two support rods are provided on the top of the mounting plate, one of the support rods is fixedly connected to the right part of the top side of the mounting plate, and the other support rod is slidably connected to the inside of the left side of the mounting plate, a mounting block is fixedly connected to the top side of the support rod, an electric push rod is fixedly connected to the inside of the mounting block, a telescopic end of the electric push rod is rotatably connected to a plurality of evenly distributed rotating rods, and one end of the rotating rod is rotatably connected to a splint;

[0008] As a further description of the above technical solution:

[0009] The adjustment assembly includes a motor, the motor is fixedly connected to the bottom right side of the base, the motor drive end is fixedly connected to a rotating shaft, the outer periphery of the rotating shaft is connected to two cams, and the outer periphery of the cams abuts against the bottom side of the mounting plate;

[0010] As a further description of the above technical solution:

[0011] Two guide blocks are fixedly connected to the outer periphery of the clamping plate, a plurality of evenly distributed guide grooves are opened inside the mounting block, and the guide blocks are slidably connected inside the guide grooves;

[0012] As a further description of the above technical solution:

[0013] The outer periphery of the splint is fixedly connected with a rubber sleeve;

[0014] As a further description of the above technical solution:

[0015] The mounting plate is fixedly connected to a second electric push rod, the telescopic end of the second electric push rod is fixedly connected to a connecting rod, the bottom side of the other support rod is fixedly connected to a slider, and the rear side of the connecting rod is fixedly connected to the front side of the slider;

[0016] As a further description of the above technical solution:

[0017] A sliding groove is provided inside the mounting plate, and the slider is slidably connected inside the sliding groove;

[0018] As a further description of the above technical solution:

[0019] A plurality of evenly distributed telescopic rods are fixedly connected to the bottom side of the base, the top ends of the telescopic rods are fixedly connected to the mounting plate, a tension spring is sleeved around the outer periphery of the telescopic rods, the top ends of the tension springs are fixedly connected to the bottom side of the mounting plate, and the bottom ends of the tension springs are fixedly connected to the bottom side of the base;

[0020] As a further description of the above technical solution:

[0021] The left and right sides of the mounting plate are both fixedly connected to limiting blocks, and the limiting blocks are slidably connected to the inside of the base.

[0022] The utility model has the following beneficial effects:

[0023] 1. In the utility model, when clamping the valve seat, the valve seat is placed in the middle of the two mounting blocks and the valve seat is placed outside a plurality of clamping plates. Then, the two electric push rods are started. The telescopic end of the electric push rod contracts and drives the plurality of rotating rods to rotate. The rotation of the plurality of rotating rods drives the plurality of clamping plates to move toward the edge of the valve seat, thereby expanding and clamping the inside of the valve seat. The internal clamping reduces the influence of the clamping plates during the valve seat processing, which facilitates the valve seat processing.

[0024] 2. In the utility model, the motor is started after the valve seat is clamped and fixed, and the motor driving end drives the rotating shaft to rotate. The rotation of the rotating shaft drives the two cams to rotate, and the rotation of the cams drives the mounting plate to slide inside the base, thereby adjusting the height of the valve seat so that the clamping mechanism can adapt to different usage requirements, thereby expanding the scope of application of the clamping mechanism. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a three-dimensional schematic diagram of a valve seat processing and clamping mechanism proposed by the present invention;

[0026] Figure 2 This is a structural diagram of a mounting block of a valve seat processing clamping mechanism proposed in the present invention;

[0027] Figure 3 This is a structural schematic diagram of a mounting plate of a valve seat processing clamping mechanism proposed in the present invention;

[0028] Figure 4 This is a structural schematic diagram of a base of a valve seat processing clamping mechanism proposed by the utility model.

[0029] Legend:

[0030] 1. Mounting block; 2. Support rod; 3. Mounting plate; 4. Base; 5. Motor; 6. Rubber sleeve; 7. Electric push rod 1; 8. Rotating rod; 9. Guide block; 10. Clamp; 11. Connecting rod; 12. Electric push rod 2; 13. Slider; 14. Tension spring; 15. Telescopic rod; 16. Rotating shaft; 17. Cam; 18. Slide; 19. Guide groove; 20. Limit block. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0032] Reference Figure 1-Figure 3The utility model provides an embodiment of a valve seat processing clamping mechanism, including a base 4, the base 4 is used to install the mounting plate 3, the base 4 is slidably connected to the mounting plate 3, the mounting plate 3 is used to install the support rod 2, and two support rods 2 are provided on the top of the mounting plate 3. One support rod 2 is fixedly connected to the right part of the top side of the mounting plate 3, and the other support rod 2 is slidably connected to the left side of the mounting plate 3. The support rod 2 plays the role of fixing the mounting block 1, and the mounting plate 3 is fixedly connected to the second electric push rod 12. The telescopic end of the second electric push rod 12 can drive the slider 13 to move through the connecting rod 11. The telescopic end of the second electric push rod 12 is fixedly connected to the connecting rod 11, and the connecting rod 11 plays the role of connecting the telescopic end of the second electric push rod 12 and the slider 13 to each other. The bottom side of the other support rod 2 is fixedly connected to the slider 13, and a slide groove 18 is opened inside the mounting plate 3. The slider 13 is slidably connected to the inside of the slide groove 18. The slider 13 slides inside the slide groove 18 to support The other support rod 2 slides, and the rear side of the connecting rod 11 is fixedly connected to the front side of the slider 13. The top side of the support rod 2 is fixedly connected to the mounting block 1, and the mounting block 1 is used to install an electric push rod 7. An electric push rod 7 is fixedly connected inside the mounting block 1. The telescopic end of the electric push rod 7 can be telescoped to drive the rotating rod 8 to rotate. The outer periphery of the telescopic end of the electric push rod 7 is rotatably connected to a plurality of evenly distributed rotating rods 8. The rotation of the rotating rod 8 can drive the splint 10 to move. One end of the rotating rod 8 is rotatably connected to the splint 10. The splint 10 can move from the inside of the valve seat to the edge of the valve seat to clamp the valve seat. Two guide blocks 9 are fixedly connected to the outer periphery of the splint 10. A plurality of evenly distributed guide grooves 19 are opened inside the mounting block 1. The guide block 9 is slidably connected to the inside of the guide groove 19. The guide block 9 slides inside the guide groove 19 to limit the movement of the splint 10. The outer periphery of the splint 10 is fixedly connected to a rubber sleeve 6. The rubber sleeve 6 is used to increase the friction between the splint 10 and the valve seat.

[0033] Reference Figure 1 、 Figure 4, an adjustment component is provided inside the base 4, and the adjustment component is used to adjust the height of the mounting plate 3. The adjustment component includes a motor 5, which is fixedly connected to the bottom right side of the base 4. The driving end of the motor 5 can drive the shaft 16 to rotate. The driving end of the motor 5 is fixedly connected to the shaft 16. The rotation of the shaft 16 can drive the cam 17 to rotate. The outer periphery of the shaft 16 is connected to two cams 17. The outer periphery of the cam 17 abuts against the bottom side of the mounting plate 3. The rotation of the cam 17 can drive the mounting plate 3 to rise and fall inside the base 4 to adjust the height of the base 4. The left and right sides of the mounting plate 3 are fixed A limit block 20 is connected, and the limit block 20 is slidably connected to the inside of the base 4. The installation of the limit block 20 can limit the movement of the mounting plate 3. A plurality of evenly distributed telescopic rods 15 are fixedly connected to the bottom side of the inside of the base 4. The top end of the telescopic rod 15 is fixedly connected to the mounting plate 3. The telescopic rod 15 is used to support the tension spring 14 to prevent the tension spring 14 from bending under force. A tension spring 14 is sleeved on the outer periphery of the telescopic rod 15. The top end of the tension spring 14 is fixedly connected to the bottom side of the mounting plate 3, and the bottom end of the tension spring 14 is fixedly connected to the bottom side of the inside of the base 4. The contraction of the tension spring 14 can pull the mounting plate 3 close to the cam 17.

[0034] Working Principle: Before machining the valve seat, place the valve seat between the two mounting blocks 1. Then, activate the electric push rod 2 12. The telescopic end of the electric push rod 2 12 contracts and drives the slider 13 to slide inside the slide groove 18 through the connecting rod 11, thereby driving one mounting block 1 to move toward the other mounting block 1. The distance between the two mounting blocks 1 is adjusted according to the specific size of the valve seat, so that the valve seat is mounted on the outside of the multiple clamping plates 10. Then, activate the electric push rod 1 7 inside the two mounting blocks 1. The telescopic end of the electric push rod 1 7 contracts and drives the multiple rotating rods 8 to rotate. The multiple rotating rods 8 rotate and respectively drive the multiple clamping plates 10 to move. The multiple clamping plates 10 move toward the edge of the valve seat to expand and clamp the inside of the valve seat, thereby clamping and fixing the valve seat. After that, the valve seat can be machined. Start the motor 5 so that the motor 5 drive end drives the rotating shaft 16 to rotate. The rotating shaft 16 drives the two cams 17 to rotate, thereby adjusting the height of the mounting plate 3 so that the height of the valve seat meets the machining requirements, thereby facilitating the worker's machining of the valve seat.

[0035] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A valve seat processing and clamping mechanism, comprising a base (4), characterized in that: The base (4) is internally connected to a mounting plate (3) in a sliding manner. An adjustment component is provided inside the base (4). The adjustment component is used to adjust the height of the mounting plate (3). Two support rods (2) are provided on the top of the mounting plate (3). One of the support rods (2) is fixedly connected to the right portion of the top side of the mounting plate (3), and the other support rod (2) is slidably connected to the left side of the mounting plate (3). The top side of the support rod (2) is fixedly connected to a mounting block (1). The mounting block (1) is internally fixedly connected to an electric push rod (7). The outer periphery of the telescopic end of the electric push rod (7) is rotatably connected to a plurality of evenly distributed rotating rods (8). One end of the rotating rod (8) is rotatably connected to a splint (10).

2. A valve seat processing and clamping mechanism according to claim 1, characterized in that: The adjustment assembly comprises a motor (5), the motor (5) being fixedly connected to the bottom right side of the base (4), the driving end of the motor (5) being fixedly connected to a rotating shaft (16), the outer periphery of the rotating shaft (16) being connected to two cams (17), the outer periphery of the cams (17) being in contact with the bottom side of the mounting plate (3).

3. The valve seat processing and clamping mechanism according to claim 1, characterized in that: Two guide blocks (9) are fixedly connected to the outer periphery of the clamping plate (10), a plurality of evenly distributed guide grooves (19) are provided inside the mounting block (1), and the guide blocks (9) are slidably connected inside the guide grooves (19).

4. The valve seat processing and clamping mechanism according to claim 1, characterized in that: The outer periphery of the clamping plate (10) is fixedly connected with a rubber sleeve (6).

5. The valve seat processing and clamping mechanism according to claim 1, characterized in that: The mounting plate (3) is fixedly connected to a second electric push rod (12) inside, the telescopic end of the second electric push rod (12) is fixedly connected to a connecting rod (11), the bottom side of the other support rod (2) is fixedly connected to a slider (13), and the rear side of the connecting rod (11) is fixedly connected to the front side of the slider (13).

6. The valve seat processing and clamping mechanism according to claim 5, characterized in that: A sliding groove (18) is provided inside the mounting plate (3), and the sliding block (13) is slidably connected inside the sliding groove (18).

7. The valve seat processing and clamping mechanism according to claim 1, characterized in that: A plurality of evenly distributed telescopic rods (15) are fixedly connected to the bottom side of the interior of the base (4), the top ends of the telescopic rods (15) are fixedly connected to the mounting plate (3), a tension spring (14) is sleeved around the outer periphery of the telescopic rods (15), the top ends of the tension springs (14) are fixedly connected to the bottom side of the mounting plate (3), and the bottom ends of the tension springs (14) are fixedly connected to the bottom side of the interior of the base (4).

8. The valve seat processing and clamping mechanism according to claim 1, characterized in that: The left and right sides of the mounting plate (3) are both fixedly connected to limit blocks (20), and the limit blocks (20) are slidably connected to the inside of the base (4).

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