Air valve CBN head grinding machine

Abstract

The utility model relates to the technical field of valve grinding, and discloses a valve CBN head grinding machine which comprises a base, a fixing assembly is arranged above the base and comprises a first clamping seat, a screw is rotationally connected above the first clamping seat, the outer surface of the screw is sleeved with a second clamping seat in a threaded mode, and the second clamping seat is connected with the first clamping seat in a threaded mode. A limiting rod movably penetrates through the upper portion of the second clamping seat and is fixedly connected with the upper portion of the first clamping seat, limiting assemblies are arranged on the front face and the rear face of the fixing assembly, a machining assembly is arranged on the right side of the fixing assembly and comprises a motor, and the output end of the motor is fixedly connected with a rotating rod through a coupler. The left end of the rotating rod is fixedly connected with a connector, and a grinding head is fixedly installed on the left side of the connector. The air valve needing to be ground is clamped and fixed through the fixing assembly, the clamped and fixed air valve and the machining assembly are located at the same horizontal height, and the effect of conveniently aligning the machining assembly for grinding is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve grinding, in particular to a valve CBN grinding head machine. Background Art

[0002] The function of the valve is to input air into the engine and discharge the exhaust gas after combustion. From the perspective of engine structure, it is divided into intake valve and exhaust valve. The function of the intake valve is to suck air into the engine and mix it with fuel for combustion; the function of the exhaust valve is to discharge the exhaust gas after combustion and dissipate heat.

[0003] Under the prior art, when grinding a valve, the valve needs to be fixed first and then its end is aligned with the grinding head for grinding. After clamping, the position and angle of the valve usually need to be adjusted, which is inconvenient to align the clamped valve directly with the grinding head. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a valve CBN grinding head machine.

[0005] To achieve the above object, the utility model provides the following technical solutions: a valve CBN grinding head machine, comprising a base, a fixing assembly is arranged above the base;

[0006] The fixing assembly comprises a first clamping seat, a screw is rotatably connected to the top of the first clamping seat, a second clamping seat is provided through a threaded sleeve on the outer surface of the screw, a limiting rod is movably passed through the top of the second clamping seat, the limiting rod is fixedly connected to the top of the first clamping seat, limiting assemblies are arranged on the front and back sides of the fixing assembly, a processing assembly is arranged on the right side of the fixing assembly, and the processing assembly comprises a motor, a rotating rod is fixedly connected to the output end of the motor through a coupling, a connector is fixedly connected to the left end of the rotating rod, a grinding head is fixedly installed on the left side of the connector, a supporting assembly is arranged below the grinding head, and a supporting assembly is arranged below the motor. A sliding assembly is provided, and the valve stem to be polished is first placed on the first clamping seat with its end facing the polishing head, and then the first clamping seat is driven to rise by rotating the screw. As the first clamping seat rises, the slider on the first clamping seat will slide on the inner surface of the sliding groove to play a limiting role. As the first clamping seat rises, it will cooperate with the second clamping seat to clamp the valve stem to achieve the effect of clamping and fixing. When the valve stem is clamped, it will be at the same height as the polishing head. At this time, the motor is started to drive the rotating rod to rotate the polishing head, and the sliding seat is driven to slide to the left by the electric slide rail to enable the polishing head to polish the end of the valve stem.

[0007] Preferably, the limiting assembly includes a sliding plate, the sliding plate is fixedly connected to the top of the base, the sliding plate is fixedly connected to the second clamping seat, a sliding groove is provided on the front side of the sliding plate, a sliding block is slidably connected to the inner surface of the sliding groove, and the sliding block is fixedly connected to the first clamping seat.

[0008] Preferably, there are two groups of the limit assemblies, which are symmetrically arranged on the front and back sides of the first clamping seat and the second clamping seat.

[0009] Preferably, the sliding assembly includes a sliding seat, the sliding seat is fixedly connected to the bottom of the motor, an electric slide rail is slidably connected to the bottom of the sliding seat, and the electric slide rail is fixedly connected to the top of the base.

[0010] Preferably, the support assembly includes a support groove, a roller is rotatably connected to the inner surface of the support groove, a limit strip movably passes through the bottom of the support groove, a pad is fixedly connected below the limit strip, and the pad is fixedly connected to the top of the base. A connecting assembly is provided on the left side of the support groove. As the grinding head rotates, the roller will also rotate to reduce the wear of the grinding head when supporting it. When the grinding is completed, the first clamping seat is driven to descend by rotating the screw to remove the valve stem. As the first clamping seat descends, the support groove will also descend to leave space under the grinding head to facilitate the removal of the grinding head.

[0011] Preferably, the connecting assembly includes two connecting rods, and the two connecting rods are respectively fixedly connected to the front and back sides of the first clamping seat, and the two connecting rods are movably penetrated by the left side of the support groove. As the first clamping seat rises, the connecting rods will also be driven, and the connecting rods will drive the support groove to rise so that the roller in the support groove supports the grinding head.

[0012] Compared with the prior art, the utility model provides a valve CBN grinding machine, which has the following beneficial effects:

[0013] 1. This valve CBN grinding head machine clamps and fixes the valve to be ground through a fixing component. After clamping and fixing, the valve and the processing component are at the same level, which facilitates the grinding of the processing component.

[0014] 2. This valve CBN grinding head machine not only clamps and fixes the valve through the fixing component, but also drives the connecting component and then drives the supporting component to support the processing component, which facilitates stable grinding. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is the right view of the overall structure of the utility model;

[0018] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure in the middle.

[0019] In the figure: 1. base; 2. fixing assembly; 201. first clamping seat; 202. screw; 203. second clamping seat; 204. limiting rod; 3. limiting assembly; 301. sliding plate; 302. sliding groove; 303. slider; 4. processing assembly; 401. motor; 402. rotating rod; 403. connector; 404. grinding head; 5. supporting assembly; 501. supporting groove; 502. roller; 503. limiting strip; 504. pad; 6. sliding assembly; 601. sliding seat; 602. electric slide rail; 7. connecting assembly; 701. connecting rod. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] like Figure 1-3 As shown, the utility model provides a valve CBN grinding head machine, comprising a base 1, and a fixing component 2 is arranged above the base 1;

[0022] The fixing assembly 2 includes a first clamping seat 201, a screw rod 202 is rotatably connected to the top of the first clamping seat 201, a second clamping seat 203 is threadedly sleeved on the outer surface of the screw rod 202, a groove for fixing the valve stem is provided on the first clamping seat 201 and the second clamping seat 203, a limit rod 204 is movably passed through the top of the second clamping seat 203, the limit rod 204 is fixedly connected to the top of the first clamping seat 201, and a limit assembly 3 is provided on the front and rear surfaces of the fixing assembly 2, the limit assembly 3 includes a sliding plate 301, the sliding plate 301 is fixedly connected to the top of the base 1, the sliding plate 301 is fixedly connected to the second clamping seat 203, a sliding groove 302 is provided on the front of the sliding plate 301, and the inner surface of the sliding groove 302 A slider 303 is slidably connected to the surface, and the slider 303 is fixedly connected to the first clamping seat 201. There are two groups of limit components 3, which are symmetrically arranged on the front and back sides of the first clamping seat 201 and the second clamping seat 203 respectively. A processing component 4 is arranged on the right side of the fixed component 2, and the processing component 4 includes a motor 401. The output end of the motor 401 is fixedly connected to a rotating rod 402 through a coupling, and a connector 403 is fixedly connected to the left end of the rotating rod 402. The connector 403 is used to fix a CBN handled grinding head. A grinding head 404 is fixedly installed on the left side of the connector 403. The grinding head 404 is a CBN handled grinding head. A support component 5 is arranged below the grinding head 404, and a sliding component 6 is arranged below the motor 401.

[0023] In this embodiment, the valve to be polished is clamped and fixed by the fixing component 2. After clamping and fixing, the valve and the processing component 4 are at the same level, which facilitates alignment with the processing component 4 for polishing.

[0024] like Figure 1-3 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the sliding assembly 6 includes a sliding seat 601, the sliding seat 601 is fixedly connected to the bottom of the motor 401, and an electric slide rail 602 is slidably connected to the bottom of the sliding seat 601. The electric slide rail 602 is used to drive the sliding seat 601 to slide left and right, and the electric slide rail 602 is fixedly connected to the top of the base 1. The support assembly 5 includes a support groove 501, and the inner surface of the support groove 501 is rotatably connected to a roller 502. The number of rollers 502 is two, and the two rollers 502 are set Below the grinding head 404, it is used to support the grinding head 404 when the support groove 501 is lifted. A limit strip 503 is movably passed through the bottom of the support groove 501. A cushion block 504 is fixedly connected below the limit strip 503. The cushion block 504 is fixedly connected to the top of the base 1. A connecting component 7 is arranged on the left side of the support groove 501. The connecting component 7 includes a connecting rod 701. There are two connecting rods 701. The two connecting rods 701 are respectively fixedly connected to the front and back sides of the first clamping seat 201. The two connecting rods 701 movably pass through the left side of the support groove 501.

[0025] In this embodiment, while the valve is clamped and fixed by the fixing component 2, the connecting component 7 is also driven, and then the supporting component 5 is driven to support the processing component 4, which facilitates stable grinding.

[0026] The following is a detailed description of the working principle of this valve CBN grinding machine.

[0027] like Figure 1-3 As shown, when in use, the valve stem to be polished is first placed on the first clamping seat 201 with its end facing the polishing head 404, and then the first clamping seat 201 is driven to rise by rotating the screw 202. As the first clamping seat 201 rises, the slider 303 on the first clamping seat 201 slides on the inner surface of the sliding groove 302 to play a limiting role. As the first clamping seat 201 rises, it will cooperate with the second clamping seat 203 to clamp the valve stem to achieve the effect of clamping and fixing. As the first clamping seat 201 rises, it will also drive the connecting rod 701, and the connecting rod 701 will drive the supporting groove 501 to rise so that the roller 502 in the supporting groove 501 supports the polishing head. 404. When the valve stem is clamped, it will be at the same height as the grinding head 404. At this time, the motor 401 is started to drive the rotating rod 402 to rotate the grinding head 404, and the sliding seat 601 is driven to slide to the left by the electric slide rail 602 to make the grinding head 404 grind the end of the valve stem. As the grinding head 404 rotates, the roller 502 will also rotate to reduce the wear of the grinding head 404 when supporting it. When the grinding is completed, the first clamping seat 201 is driven to descend by rotating the screw 202 to remove the valve stem. As the first clamping seat 201 descends, the support groove 501 will also descend to leave space under the grinding head 404 to facilitate the removal of the grinding head 404.

Claims

1. A valve CBN grinding machine, comprising a base (1), characterized in that: A fixing component (2) is arranged above the base (1); The fixing assembly (2) comprises a first clamping seat (201), a screw rod (202) is rotatably connected to the top of the first clamping seat (201), a second clamping seat (203) is threadedly sleeved on the outer surface of the screw rod (202), a limit rod (204) is movably penetrated through the top of the second clamping seat (203), and the limit rod (204) is fixedly connected to the top of the first clamping seat (201), a limit assembly (3) is arranged on the front and rear surfaces of the fixing assembly (2), a processing assembly (4) is arranged on the right side of the fixing assembly (2), and the processing assembly (4) comprises a motor (401), an output end of the motor (401) is fixedly connected to a rotating rod (402) via a coupling, a left end of the rotating rod (402) is fixedly connected to a connector (403), a grinding head (404) is fixedly installed on the left side of the connector (403), a supporting assembly (5) is arranged below the grinding head (404), and a sliding assembly (6) is arranged below the motor (401).

2. A valve CBN grinding machine according to claim 1, characterized in that: The limiting assembly (3) comprises a sliding plate (301), the sliding plate (301) being fixedly connected to the top of the base (1), the sliding plate (301) being fixedly connected to the second clamping seat (203), a sliding groove (302) being provided on the front of the sliding plate (301), a sliding block (303) being slidably connected to the inner surface of the sliding groove (302), and the sliding block (303) being fixedly connected to the first clamping seat (201).

3. A valve CBN grinding machine according to claim 2, characterized in that: The number of the limit assemblies (3) is two groups, which are symmetrically arranged on the front and back sides of the first clamping seat (201) and the second clamping seat (203).

4. A valve CBN grinding machine according to claim 1, characterized in that: The sliding assembly (6) comprises a sliding seat (601), wherein the sliding seat (601) is fixedly connected to the bottom of the motor (401), an electric slide rail (602) is slidably connected to the bottom of the sliding seat (601), and the electric slide rail (602) is fixedly connected to the top of the base (1).

5. The valve CBN grinding machine according to claim 1, characterized in that: The support assembly (5) comprises a support groove (501), the inner surface of the support groove (501) is rotatably connected to a roller (502), a limit strip (503) movably penetrates below the support groove (501), a cushion block (504) is fixedly connected below the limit strip (503), the cushion block (504) is fixedly connected to the top of the base (1), and a connection assembly (7) is arranged on the left side of the support groove (501).

6. A valve CBN grinding machine according to claim 5, characterized in that: The connecting assembly (7) comprises a connecting rod (701), the number of the connecting rods (701) being two, the two connecting rods (701) being fixedly connected to the front and back sides of the first clamping seat (201) respectively, and the two connecting rods (701) movably penetrate the left side of the supporting groove (501).

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