Valve polishing device

Abstract

The utility model belongs to the technical field of valve machining equipment, and particularly relates to a valve grinding device which comprises a main seat, a translation seat, a grinding roller, a first driving source and two groups of end face grinding units, a first clamping seat and a second clamping seat are arranged on the main seat, and the first clamping seat and the second clamping seat can respectively clamp two ends of a valve workpiece. The distance between the first clamping base and the second clamping base can be adjusted, and the angle of the first clamping base and the angle of the second clamping base can be adjusted. The translation seat is movably arranged on the main seat; the polishing roller is rotatably arranged on the translation seat; the first driving source is used for driving the polishing roller to rotate; the two groups of end face grinding units are respectively arranged at the upper part and the lower part of the translation seat, and each end face grinding unit comprises an end grinding sheet, a second driving source, a vertical adjusting unit and a horizontal adjusting unit. And the grinding efficiency and the grinding precision are high.

Description

Technical Field

[0001] The utility model belongs to the technical field of valve processing equipment, and in particular relates to a valve grinding device. Background Art

[0002] Valves are control components in fluid delivery systems and are used to control the direction, pressure, and flow of fluids. Existing valves range from tiny instrument valves to larger, heavier industrial pipeline valves. For larger, heavier valves, fixtures are generally used to grind the outer walls to ensure position stability.

[0003] The Chinese utility model patent with publication number: CN220312854U discloses a fixture for grinding the outer wall of a valve, and its technical points are: the bracket includes a base, a vertical plate arranged on the base, and a cantilever plate arranged at the top of the vertical plate, the base supports a vertical shaft, the upper end of the vertical shaft is fixed with a conical lower support seat with a narrow upper part and a wide lower part, a driving motor is fixed on the base, and a transmission mechanism is arranged between the output shaft of the driving motor and the lower end of the vertical shaft, the cantilever plate is provided with a through hole and a lifting cylinder is arranged in the through hole, and the cylinder of the lifting cylinder A pair of bearings are arranged between the body and the inner wall of the through hole, and the lower end of the cylinder rod of the lifting cylinder is provided with a cone-shaped upper clamping seat which is wide at the top and narrow at the bottom, and the center lines of the cone-shaped upper clamping seat and the cone-shaped lower support seat coincide with each other; this technology solves the problem that the existing grinding fixture requires secondary clamping of the valve, which affects the grinding accuracy, and the entire grinding process only requires one clamping; however, this technology can only grind the cylindrical outer wall of the valve after one clamping, and when grinding the end face of the valve, the staff is required to use other grinding stones for grinding, so the grinding efficiency needs to be improved. Utility Model Content

[0004] The purpose of the utility model is to provide a valve grinding device in view of the above-mentioned technical problems. After clamping the workpiece once, the valve grinding device can grind the outer cylinder surface and two end surfaces of the valve at the same time, with high grinding efficiency and high grinding accuracy.

[0005] In view of this, the utility model provides a valve polishing device, comprising:

[0006] A main seat, on which a first clamping seat and a second clamping seat are arranged, the first clamping seat and the second clamping seat can clamp two ends of the valve workpiece respectively, the spacing between the first clamping seat and the second clamping seat is adjustable, and the first clamping seat and the second clamping seat can be angle-adjusted;

[0007] A translation seat, which is movably arranged on the main seat;

[0008] A grinding roller, the grinding roller is rotatably arranged on a translation seat;

[0009] A first driving source, the first driving source is used to drive the grinding roller to rotate;

[0010] Two groups of end face grinding units are respectively arranged at the upper and lower parts of the translation seat. The end face grinding units include end grinding plates, a second driving source, a vertical adjustment unit, and a horizontal adjustment unit. The second driving source is used to drive the end grinding plates to rotate, the vertical adjustment unit is used to adjust the vertical position of the end grinding plates, and the horizontal adjustment unit is used to adjust the horizontal position of the end grinding plates.

[0011] In the present technical scheme, the two ends of the valve workpiece are clamped by the first clamping seat and the second clamping seat, the first driving source drives the grinding roller to rotate and enter the grinding state, and drives the translation seat so that the translation seat brings the grinding roller close to the valve workpiece, and finally the grinding roller contacts the outer wall of the valve workpiece to grind the outer wall of the valve workpiece; in this process, the end grinding plate is controlled to approach the end face of the valve by the horizontal adjustment unit and the vertical adjustment unit, and the second driving source is started to drive the end grinding plate to rotate and enter the grinding state, and finally the end grinding plate contacts the end face of the valve workpiece to grind the end face of the valve workpiece; after the grinding of one side surface of the valve workpiece is completed, the angles of the first clamping seat and the second clamping seat are adjusted, and the processing surface is replaced, so that the cylindrical outer wall and the two end faces of the valve workpiece are completely polished in turn.

[0012] In the above technical solution, further, a first adjustment groove is opened on the translation seat, the grinding roller is arranged on the adjustment frame, the adjustment frame is slidably connected with the first adjustment groove, a first screw is arranged in the first adjustment groove, a first threaded hole is opened on the part of the adjustment frame located in the first adjustment groove, and the adjustment frame is threadedly connected to the first screw through the first threaded hole.

[0013] In the above technical solution, further, a third driving source for driving the first screw to rotate is provided on the translation seat.

[0014] In the above technical solution, further, the horizontal adjustment unit includes a bearing seat, which is horizontally slidably connected to the translation seat, a second threaded hole is opened on the bearing seat, a second screw is provided on the translation seat, the bearing seat is threadedly connected to the second screw through the second threaded hole, and the end grinding plate, the second driving source and the vertical adjustment unit are all arranged on the bearing seat.

[0015] In the above technical solution, further, the vertical adjustment unit is a first cylinder, the fixed end of the first cylinder is arranged on the bearing seat, the movable end of the first cylinder is connected to the second driving source, and the output end of the second driving source is connected to the end grinding plate.

[0016] In the above technical solution, further, a second adjustment groove is opened on the main seat, the bottom of the translation seat is slidably connected to the second adjustment groove, a third screw is provided in the second adjustment groove, a third threaded hole is opened at the bottom of the translation seat, and the translation seat is threadedly connected to the third screw through the third threaded hole.

[0017] In the above technical solution, further, a fourth driving source is provided on the main seat, an output end of the fourth driving source is connected to the first clamping seat, and the second clamping seat can rotate relative to the main seat.

[0018] In the above technical solution, further, a second cylinder is provided on the main seat, and a movable end of the second cylinder is rotatably connected to the second clamping seat.

[0019] The beneficial effects of the utility model are:

[0020] 1. A valve grinding device of the utility model: through the cooperation of the grinding roller and two sets of end face grinding units, the cylindrical outer wall and two end faces of the valve workpiece can be completely ground at the same time, with high grinding efficiency. At the same time, the grinding of the entire cylindrical surface and end face can be completed with only one clamping, and the grinding accuracy is high.

[0021] 2. A valve grinding device of the utility model: by arranging a first adjusting groove, a first screw, a first threaded hole, and an adjusting frame on the translation seat to cooperate with the grinding roller, the grinding roller can move along the axial direction of the valve workpiece during the grinding of the outer wall of the valve workpiece cylinder, thereby performing reciprocating grinding, minimizing the dead angle of grinding as much as possible, and improving the grinding effect.

[0022] 3. A valve grinding device of the utility model: by controlling the rotation of the third screw rod, the position of the translation seat on the main seat can be adjusted, thereby controlling the grinding process of the valve workpiece, and the operation is simple.

[0023] 4. A valve polishing device of the utility model: the first clamping seat is driven to rotate by the fourth driving source, and the first clamping seat, the valve workpiece, and the second clamping seat can be rotated together to adjust the angle, and the switching of the processing surface is very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0025] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model in the first direction.

[0026] Figure 2 It is a schematic diagram of the three-dimensional structure of the utility model in the second direction.

[0027] Figure 3 It is a schematic diagram of the main structure of the utility model.

[0028] Figure 4 It is a schematic diagram of the longitudinal cross-section structure of the utility model.

[0029] Figure 5 It is a schematic diagram of the processing state of the utility model.

[0030] The symbols in the figure are:

[0031] 1. Main seat; 101. Second adjustment slot; 2. First clamping seat; 3. Second clamping seat; 4. Translation seat; 401. First adjustment slot; 402. First screw; 403. Third threaded hole; 5. Grinding roller; 501. Adjustment frame; 5011. First threaded hole; 502. Third drive source; 6. First drive source; 701. End grinding disc; 702. Second drive source; 703. First cylinder; 704. Bearing seat; 705. Second screw; 8. Third screw; 9. Fourth drive source; 10. Second cylinder; 100. Valve workpiece; DETAILED DESCRIPTION

[0032] 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 of 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.

[0033] In the description of the utility model, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The technology, methods and equipment known to ordinary technicians in the relevant field may not be discussed in detail, but in appropriate cases, the technology, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0034] The valve workpiece 100 of this embodiment

[0035] like Figure 5 As shown, annular grooves are provided at both ends of the valve workpiece 100, and the valve workpiece 100 is conveniently clamped by the grooves during grinding.

[0036] The valve polishing device of this embodiment

[0037] like Figure 1-Figure 4 As shown, the valve grinding device of this embodiment includes: a main seat 1, a translation seat 4, a grinding roller 5, a first driving source 6, two sets of end surface grinding units,

[0038] The main seat 1 is in a U-shape with an open horizontal surface. The main seat 1 is provided with a first clamping seat 2 and a second clamping seat 3. Figure 1 The first clamping seat 2 is located at the lower part of the main seat 1, and the second clamping seat 3 is located at the upper part of the main seat 1. The first clamping seat 2 and the second clamping seat 3 are coaxially arranged. The first clamping seat 2 and the second clamping seat 3 can clamp the two ends of the valve workpiece 100 respectively. Specifically, the first clamping seat 2 and the second clamping seat 3 are both chamfered on the side close to the valve workpiece 100, and the chamfer is abutted with the annular groove at the port of the valve workpiece 100. In addition, the first clamping seat 2 and the second clamping seat 3 are also chamfered on the side away from the valve workpiece 100, so that after clamping the valve workpiece 100, the end face of the valve workpiece 100 will not be blocked by the first clamping seat 2 and the second clamping seat 3;

[0039] The distance between the first clamping seat 2 and the second clamping seat 3 can be adjusted. For details, please refer to Figure 4 A second cylinder 10 is provided on the main seat 1, a fixed end of the second cylinder 10 is connected to the main seat 1, and a movable end of the second cylinder 10 is rotatably connected to the second clamping seat 3. The second cylinder 10 can drive the second clamping seat 3 to approach and move away from the first clamping seat 2, thereby achieving the clamping and release of the valve workpiece 100;

[0040] The first clamping seat 2 and the second clamping seat 3 can be adjusted in angle. Figure 4 , a mounting groove is provided on the main seat 1 and below the first clamping seat 2, a fourth driving source 9 is provided in the mounting groove, an output end of the fourth driving source 9 is connected to the first clamping seat 2, and the second clamping seat 3 can rotate relative to the main seat 1, so that after the first clamping seat 2 and the second clamping seat 3 cooperate to clamp the valve workpiece 100, the first clamping seat 2, the valve workpiece 100, and the second clamping seat 3 can be regarded as a whole, and the first clamping seat 2 rotates a certain angle, and the valve workpiece 100 and the second clamping seat 3 can rotate together at the same angle;

[0041] The translation seat 4 is movably arranged on the main seat 1; Figure 4 A second adjusting groove 101 is provided on the upper surface of the lower part of the main seat 1 in the horizontal direction, the bottom of the translation seat 4 is slidably connected to the second adjusting groove 101, a third screw 8 is provided in the second adjusting groove 101, a third threaded hole 403 is provided at the bottom of the translation seat 4, the translation seat 4 is threadedly connected to the third screw 8 through the third threaded hole 403, and the third screw 8 can be rotated to drive the translation seat 4 to move horizontally on the main seat 1;

[0042] The grinding roller 5 is rotatably disposed on the translation seat 4; the first driving source 6 is used to drive the grinding roller 5 to rotate, and the grinding roller 5 enters a grinding state when rotating, and the grinding roller 5 contacts the valve workpiece 100 through the outer peripheral wall, thereby grinding the valve workpiece 100;

[0043] The two groups of end face grinding units are respectively arranged at the upper and lower parts of the translation seat 4. The end face grinding units include an end grinding plate 701, a second driving source 702, a vertical adjustment unit, and a horizontal adjustment unit. The second driving source 702 is used to drive the end grinding plate 701 to rotate. When the end grinding plate 701 rotates again, it enters a grinding state. The end grinding plate 701 contacts the valve workpiece 100 through the end face, thereby grinding the valve workpiece 100. The vertical adjustment unit is used to adjust the vertical position of the end grinding plate 701, and the horizontal adjustment unit is used to adjust the horizontal position of the end grinding plate 701.

[0044] Grinding principle of valve workpiece 100

[0045] First, one end of the valve workpiece 100 is sleeved on the first clamping seat 2, and then the second clamping seat 3 is driven to descend and clamp into the port at the other end of the valve workpiece 100 by the second cylinder 10, and finally the first clamping seat 2 and the second clamping seat 3 cooperate to clamp the two ends of the valve workpiece 100; then the first driving source 6 and the second driving source 702 are started, and the grinding roller 5 is driven to approach the outer wall of the valve workpiece 100 by controlling the third screw 8 to rotate, and finally the outer peripheral wall of the grinding roller 5 is in contact with the outer wall of the valve workpiece 100, and at the same time, the position of the end grinding plate 701 is adjusted by the horizontal adjustment unit and the vertical adjustment unit, so that the end face of the end grinding plate 701 is in contact with the end face of the valve workpiece 100; during the grinding When the current grinding area of ​​the valve workpiece 100 is completed, the grinding area of ​​the valve workpiece 100 is switched by the fourth driving source 9, and the grinding roller 5 and the two groups of end face pieces continue to grind the current grinding area of ​​the valve workpiece 100, so as to continuously switch the grinding area of ​​the valve workpiece 100 until the overall grinding of the valve workpiece 100 is completed; after the grinding is completed, the end grinding piece 701 is moved away from the valve workpiece 100 through the horizontal adjustment unit and the vertical adjustment unit, and then the grinding roller 5 is moved away from the valve workpiece 100 by controlling the third screw 8 to rotate, the first driving source 6 and the second driving source 702 are turned off, and the second cylinder 10 is controlled to raise the second clamping seat 3, and the valve workpiece 100 is removed to complete the processing.

[0046] Figure 5 What is shown is a schematic diagram of the valve workpiece 100 during the processing, at which time the outer peripheral wall of the grinding roller 5 contacts the outer wall of the valve workpiece 100, and the end faces of the two grinding sheets contact the two end faces of the valve workpiece 100 respectively.

[0047] Grinding optimization of valve workpiece 100 cylindrical surface

[0048] For details, please refer to Figure 4 A first adjusting groove 401 is provided on the translation seat 4 in the vertical direction, the grinding roller 5 is arranged on the adjusting frame 501, the adjusting frame 501 is in a horizontal Y-shape, the two ends of the grinding roller 5 are rotatably connected to the two ends of the top of the adjusting frame 501 respectively, the bottom of the adjusting frame 501 is slidably connected to the first adjusting groove 401, a first screw rod 402 is provided in the first adjusting groove 401, a first threaded hole 5011 is provided on the part of the adjusting frame 501 located in the first adjusting groove 401, and the adjusting frame 501 is threadedly connected to the first screw rod 402 through the first threaded hole 5011;

[0049] The translation seat 4 is provided with a third driving source 502 for driving the first screw rod 402 to rotate;

[0050] In this way, the adjustment frame 501 is driven to move vertically through the cooperation of the third driving source 502, the first screw 402, and the first threaded hole 5011. During the grinding process, the grinding roller 5 can reciprocate axially along the cylindrical outer wall of the valve workpiece 100, thereby grinding the area in the axial direction of the valve workpiece 100, reducing the dead angle of grinding as much as possible and improving the grinding effect.

[0051] End grinding unit

[0052] See also Figure 3 and Figure 4 The horizontal adjustment unit includes a bearing seat 704, which is horizontally slidably connected to the translation seat 4. A second threaded hole (not shown in the figure) is provided on the bearing seat 704, and a second screw rod 705 is provided on the translation seat 4. The bearing seat 704 is threadedly connected to the second screw rod 705 through the second threaded hole. The end grinding plate 701, the second driving source 702, and the vertical adjustment unit are all arranged on the bearing seat 704;

[0053] By controlling the rotation of the second screw rod 705, the bearing seat 704 can be driven to move horizontally on the translation seat 4;

[0054] The vertical adjustment unit is a first cylinder 703 , a fixed end of the first cylinder 703 is disposed on a bearing seat 704 , a movable end of the first cylinder 703 is connected to a second driving source 702 , and an output end of the second driving source 702 is connected to an end grinding disc 701 .

[0055] Selection of some parts of valve grinding device

[0056] In this embodiment, the first driving source 6, the second driving source 702, the third driving source 502, and the fourth driving source 9 can be electrically driven or manually driven; in this embodiment, the second screw 705 and the third screw 8 are generally driven manually; in this embodiment, the electric drive is controlled by a motor, and the manual drive is controlled by a handwheel.

[0057] The embodiments of the utility model are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the enlightenment of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A valve polishing device, characterized in that: include: A main seat (1), wherein a first clamping seat (2) and a second clamping seat (3) are provided on the main seat (1), wherein the first clamping seat (2) and the second clamping seat (3) can respectively clamp two ends of a valve workpiece (100), wherein the spacing between the first clamping seat (2) and the second clamping seat (3) is adjustable, and the first clamping seat (2) and the second clamping seat (3) can be angle-adjusted; A translation seat (4), the translation seat (4) being movably arranged on the main seat (1); A grinding roller (5), wherein the grinding roller (5) is rotatably arranged on the translation seat (4); A first driving source (6), the first driving source (6) is used to drive the grinding roller (5) to rotate; Two groups of end surface grinding units, the two groups of end surface grinding units are respectively arranged at the upper part and the lower part of the translation seat (4), the end surface grinding units include an end grinding plate (701), a second driving source (702), a vertical adjustment unit, and a horizontal adjustment unit, the second driving source (702) is used to drive the end grinding plate (701) to rotate, the vertical adjustment unit is used to adjust the vertical position of the end grinding plate (701), and the horizontal adjustment unit is used to adjust the horizontal position of the end grinding plate (701).

2. A valve polishing device according to claim 1, characterized in that: The translation seat (4) is provided with a first adjustment groove (401), the grinding roller (5) is arranged on an adjustment frame (501), the adjustment frame (501) is slidably connected with the first adjustment groove (401), a first screw rod (402) is arranged in the first adjustment groove (401), a first threaded hole (5011) is arranged in the portion of the adjustment frame (501) located in the first adjustment groove (401), and the adjustment frame (501) is threadedly connected to the first screw rod (402) through the first threaded hole (5011).

3. A valve polishing device according to claim 2, characterized in that: The translation seat (4) is provided with a third driving source (502) for driving the first screw rod (402) to rotate.

4. A valve polishing device according to claim 1, characterized in that: The horizontal adjustment unit comprises a bearing seat (704), the bearing seat (704) is horizontally slidably connected to the translation seat (4), a second threaded hole is provided on the bearing seat (704), a second screw rod (705) is provided on the translation seat (4), the bearing seat (704) is threadedly connected to the second screw rod (705) through the second threaded hole, and the end grinding plate (701), the second driving source (702), and the vertical adjustment unit are all arranged on the bearing seat (704).

5. A valve polishing device according to claim 4, characterized in that: The vertical adjustment unit is a first cylinder (703), the fixed end of the first cylinder (703) is arranged on the supporting seat (704), the movable end of the first cylinder (703) is connected to the second driving source (702), and the output end of the second driving source (702) is connected to the end grinding plate (701).

6. A valve polishing device according to claim 1, characterized in that: The main seat (1) is provided with a second adjustment groove (101), the bottom of the translation seat (4) is slidably connected to the second adjustment groove (101), a third screw rod (8) is provided in the second adjustment groove (101), a third threaded hole (403) is provided at the bottom of the translation seat (4), and the translation seat (4) is threadedly connected to the third screw rod (8) through the third threaded hole (403).

7. A valve polishing device according to claim 1, characterized in that: The main seat (1) is provided with a fourth driving source (9), the output end of the fourth driving source (9) is connected to the first clamping seat (2), and the second clamping seat (3) can rotate relative to the main seat (1).

8. A valve polishing device according to claim 1, characterized in that: A second cylinder (10) is provided on the main seat (1), and a movable end of the second cylinder (10) is rotatably connected to the second clamping seat (3).

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