Engine valve polishing equipment

Abstract

The utility model belongs to the technical field of polishing equipment, and particularly relates to engine valve polishing equipment which comprises a base. Through the arrangement of the transmission mechanism, the valve can be conveniently positioned while polishing operation is conducted, the operation process is simplified, and the polishing efficiency is improved, that is, the to-be-polished valve is placed in a limiting ring, a double-end threaded rod is rotated, two clamping plates are attached to each other and wrap the valve, meanwhile, a polishing plate is attached to the outer wall of the valve, and the polishing efficiency is improved. The bottom end of the clamping plate makes contact with the pressing block and extrudes the pressing block, the clamping block moves towards the air valve and is attached to the outer wall of the air valve, rotation limiting is conducted on the air valve, the motor is started, the clamping plate and the grinding plate are driven to rotate through the transmission disc to grind the air valve, after grinding is completed, the double-thread threaded rod is rotated reversely, and under the pressure of the spring, the air valve is ground. The connecting block drives the rack and the pressing block to reset, the lead screw rotates reversely to drive the clamping block to reset into the limiting groove, and then the air valve can be taken down and replaced.

Description

Technical Field

[0001] The utility model belongs to the technical field of grinding equipment, in particular to an engine valve grinding device. Background Art

[0002] The valve consists of a disc-shaped valve head and a rod-shaped valve stem. The valve has very high requirements in the actual production process. In order to better realize the function of the valve, the valve stem needs to be polished.

[0003] Before grinding the valve, in order to ensure the stability of the valve during the grinding process, the valve is usually fixed in advance using a fixing device, and the valve is randomly ground. After grinding, the limit of the valve by the device is released. The operation steps are relatively cumbersome and affect the grinding efficiency. Therefore, an engine valve grinding device is proposed to address the above problems. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology and solve the problem that before grinding the valve, in order to ensure the stability of the valve during the grinding process, the valve is usually fixed in advance using a fixing device, and the valve is randomly ground. After grinding, the limit of the valve by the device is released. The operation steps are relatively cumbersome and affect the grinding efficiency. An engine valve grinding device is proposed.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: the engine valve grinding device described in the utility model comprises a base; the top of the base is fixedly connected to a fixing frame, the top of the fixing frame is fixedly connected to a motor, the output end of the motor passes through the fixing frame and is fixedly connected to a transmission disk, the bottom of the transmission disk is provided with an adjustment groove, the inner side wall of the adjustment groove is rotatably connected to a double-headed threaded rod, both ends of the outer wall of the double-headed threaded rod are threadedly connected to a clamping plate, and a grinding plate is installed on one side of the clamping plate;

[0006] The top of the gear train is fixedly connected to the gear train by a toothed connection, and the top end of the toothed connection is fixedly connected to the gear train, and the bottom end of the toothed connection is elastically connected to the inner wall of the limiting groove by a spring.

[0007] Preferably, a cleaning groove is provided on the front of the base, and a collecting groove connected to the cleaning groove is provided on the top of the base. The inner wall of the collecting groove is fixedly connected to a support block through a support rod. The arrangement of the collecting groove and the cleaning groove can facilitate the collection of debris dropped during valve grinding, and cooperate with two clamping plates to block the waste chips to prevent them from splashing and polluting the grinding environment, and the support for the placement of the valve is improved by the support rod and the support block.

[0008] Preferably, a collection box is slidably connected to the collection trough, an auxiliary block is fixedly connected to the top of the support block, and a handle is fixedly connected to the front of the collection box. Through the setting of the collection box, it is convenient to collect debris that falls into the cleaning trough through the collection trough, so as to facilitate subsequent cleaning. The auxiliary block can be inserted into the hole at the bottom end of the valve when placing the valve to assist in positioning the valve and prevent the valve from tipping over after placement.

[0009] Preferably, a mounting groove is provided on one side of the clamping plate, a mounting block is slidably connected in the mounting groove, one end of the mounting block extends out of the mounting groove and is fixedly connected to the polishing plate, a second threaded hole is provided on one side of the clamping plate, a second screw rod is rotatably connected in the second threaded hole, one end of the second screw rod extends out of the second threaded hole and is inserted into the positioning hole provided on one side of the mounting block, the other end of the second screw rod extends out of the threaded hole and is connected to the outside world, and the arrangement of the mounting block, the second screw rod and the second threaded hole can facilitate the replacement of the polishing plate and ensure the polishing efficiency of the valve.

[0010] Preferably, the end of the second screw rod located outside is fixedly connected to a knob, and the outer wall of the knob is provided with anti-slip grooves. Through the setting of the knob, the second screw rod can be driven to rotate by turning the knob.

[0011] Preferably, an auxiliary plate is fixedly connected to the top of the base, and an auxiliary groove adapted to the limiting ring is opened on the top of the auxiliary plate. Through the setting of the auxiliary plate and the auxiliary groove, the movement of the clamping plate can be assisted, the pressure of the transmission disk can be reduced, and the overall stability of the equipment can be ensured.

[0012] Preferably, a sealing gasket is provided on one side of the clamping plate, and an anti-slip protrusion is provided on the side of the clamping block away from the screw rod. The sealing performance is improved by providing a sealing gasket on one side of the clamping plate, and the friction is improved by providing an anti-slip protrusion on the side of the clamping block away from the screw rod.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides an engine valve grinding device, which can facilitate the positioning of the valve while performing the grinding operation through the setting of the transmission mechanism, simplifying the operation process and improving the grinding efficiency. The valve to be polished is placed in the limit ring, and the double-headed threaded rod is rotated. The two clamping plates fit and wrap the valve therein. At the same time, the grinding plate fits the outer wall of the valve, and the bottom end of the clamping plate contacts and squeezes the pressing block. The clamping block moves toward the valve and fits the outer wall of the valve, and its rotation is limited. The motor is started to drive the transmission disk to rotate, and the transmission disk drives the clamping plate and the grinding plate to rotate to grind the valve. After the grinding is completed, the double-headed threaded rod is reversed to release the squeezing force on the pressing block. Under the pressure of the spring, the connecting block drives the rack and the pressing block to reset. The screw rod is reversed to drive the clamping block to reset to the limiting groove, and the valve can be removed and replaced.

[0015] 2. The utility model provides an engine valve grinding device. Through the setting of the auxiliary block, it can be inserted into the hole at the bottom end of the valve when placing the valve, to assist in positioning the valve and prevent the valve from tipping over after placement. Through the setting of the mounting block, the second screw rod and the second threaded hole, the grinding plate can be easily replaced to ensure the grinding efficiency of the valve, that is, the second screw rod is rotated to control the position of the second screw rod in the positioning hole to facilitate the control of the positioning of the mounting block. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 This is a cross-sectional structural diagram of the base and the limiting ring in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the limiting ring in the utility model;

[0020] Figure 4 This is one of the cross-sectional structural diagrams of the limit ring in the utility model;

[0021] Figure 5 This is the second cross-sectional structural diagram of the limit ring in the utility model;

[0022] Figure 6 It is a three-dimensional diagram of the clamping plate in the utility model;

[0023] Figure 7 It is a cross-sectional structural diagram of the clamping plate and the grinding plate in the utility model.

[0024] Legend:

[0025] 1. Base; 2. Fixing frame; 3. Motor; 4. Transmission plate; 5. Double-headed threaded rod; 6. Clamping plate; 7. Grinding plate; 8. Transmission mechanism; 81. Limiting ring; 82. Clamping block; 83. First threaded hole; 84. First screw rod; 85. Gear; 86. Rack; 87. Pressing block; 88. Spring; 9. Cleaning slot; 10. Support block; 11. Collection box; 12. Auxiliary block; 13. Mounting block; 14. Second screw rod; 15. Auxiliary plate. DETAILED DESCRIPTION

[0026] The following will be combined with the accompanying 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.

[0027] Specific examples are given below.

[0028] See also Figure 1-Figure 7 The utility model provides an engine valve grinding device, comprising a base 1; a fixing frame 2 is fixedly connected to the top of the base 1, a motor 3 is fixedly connected to the top of the fixing frame 2, an output end of the motor 3 passes through the fixing frame 2 and is fixedly connected to a transmission disk 4, an adjustment slot is provided at the bottom of the transmission disk 4, a double-headed threaded rod 5 is rotatably connected to the inner side wall of the adjustment slot, a clamping plate 6 is threadedly connected to both ends of the outer wall of the double-headed threaded rod 5, and a grinding plate 7 is installed on one side of the clamping plate 6;

[0029] The top of the base 1 is provided with a transmission mechanism 8, which includes a limit ring 81 fixedly connected to the top of the base 1. The inner side wall of the limit ring 81 is provided with a limit groove, and a clamping block 82 is slidably connected in the limit groove. One side of the clamping block 82 is provided with a first threaded hole 83, and a first screw rod 84 is rotatably connected in the first threaded hole 83. One end of the first screw rod 84 extends out of the threaded hole and is rotatably connected to the inner side wall of the limit groove. The outer wall of the screw rod is fixedly connected to a gear 85. The top of the limit ring 81 is provided with a through groove connected to the limit groove. A rack 86 is slidably connected in the through groove. The top of the rack 86 extends through the through groove and is fixedly connected to a pressing block 87. One side of the rack 86 is fixedly connected to a connecting block, and the bottom end of the connecting block is elastically connected to the inner side wall of the limit groove by a spring 88. When working, the setting of the transmission mechanism 8 can facilitate the positioning of the valve while performing the grinding operation, simplify the operation process, and improve the grinding efficiency, that is, the valve to be ground is placed on the limit ring. 81, and rotate the double-headed threaded rod 5 to drive the two clamping plates 6 to move closer to each other until the two clamping plates 6 fit together and wrap the valve therein, and at the same time the grinding plate 7 fits against the outer wall of the valve. During this process, the bottom end of the clamping plate 6 contacts and squeezes the pressing block 87, so that the pressing block 87 drives the rack 86 to move downward, and the rack 86 moves downward and drives the screw to rotate through the gear 85. The screw rotation drives the clamping block 82 connected thereto to move toward the valve until the two clamping blocks 82 fits with the bottom end of the outer wall of the valve and limits its rotation. The motor 3 can be started to drive the transmission disk 4 to rotate. The transmission disk 4 drives the clamping plate 6 and the grinding plate 7 to rotate to grind the valve. After grinding is completed, the reversed double-headed threaded rod 5 drives the two clamping plates 6 to move away from each other, and the extrusion force on the pressing block 87 is released. Under the pressure of the spring 88, the connecting block drives the rack 86 and the pressing block 87 to reset. The screw is reversed to drive the clamping block 82 to reset to the limit groove, and the valve can be removed and replaced.

[0030] Further, such as Figure 2 As shown, the front of the base 1 is provided with a cleaning groove 9, and the top of the base 1 is provided with a collection groove connected to the cleaning groove 9. The inner side wall of the collection groove is fixedly connected to the support block 10 via a support rod. During operation, the arrangement of the collection groove and the cleaning groove 9 facilitates the collection of debris dropped during valve grinding. The two clamping plates 6 are used to block the waste chips, preventing them from scattering and polluting the grinding environment. The support rod and support block 10 also provide better support for the placement of the valve.

[0031] Further, such as Figure 2 As shown, a collection box 11 is slidably connected to the collection tank, an auxiliary block 12 is fixedly connected to the top of the support block 10, and a handle is fixedly connected to the front of the collection box 11. During operation, the auxiliary block 12 can be inserted into the hole at the bottom of the valve when placing the valve, helping to position the valve and prevent it from tipping over after placement.

[0032] Further, such as Figure 6 and Figure 7 As shown, a mounting groove is provided on one side of the clamping plate 6, and a mounting block 13 is slidably connected to the mounting groove. One end of the mounting block 13 extends out of the mounting groove and is fixedly connected to the grinding plate 7. A second threaded hole is provided on one side of the clamping plate 6, and a second screw rod 14 is rotatably connected to the second threaded hole. One end of the second screw rod 14 extends out of the second threaded hole and is inserted into the positioning hole provided on the side of the mounting block 13. The other end of the second screw rod 14 extends out of the threaded hole and is connected to the outside. During operation, the arrangement of the mounting block 13, the second screw rod 14, and the second threaded hole can facilitate the replacement of the grinding plate 7 and ensure the efficiency of the valve grinding. That is, the second screw rod 14 is rotated to control the position of the second screw rod 14 in the positioning hole, so as to control the positioning of the mounting block 13.

[0033] Further, such as Figure 6 and Figure 7 As shown, the end of the second screw rod 14 located outside is fixedly connected to a knob, and the outer wall of the knob is provided with anti-slip grooves. During operation, the knob is provided to facilitate the rotation of the second screw rod 14 by turning the knob.

[0034] Further, such as Figure 1 and Figure 2 As shown, an auxiliary plate 15 is fixedly connected to the top of the base 1. The top of the auxiliary plate 15 is provided with an auxiliary groove that is compatible with the retaining ring 81. During operation, the auxiliary plate 15 and the auxiliary groove assist in the movement of the clamping plate 6, reducing the pressure on the transmission plate 4 and ensuring the overall stability of the device.

[0035] Further, such as Figure 1 and Figure 2 As shown, a sealing pad is provided on one side of the clamping plate 6, and a non-slip protrusion is provided on the side of the clamping block 82 away from the screw rod. During operation, the sealing pad is provided on one side of the clamping plate 6 to improve the sealing performance, and the non-slip protrusion is provided on the side of the clamping block 82 away from the screw rod to improve the friction.

[0036] Working principle: Place the valve to be polished in the limiting ring 81, and rotate the double-headed threaded rod 5 to drive the two clamping plates 6 to move closer to each other until the two clamping plates 6 fit together and wrap the valve therein, and at the same time, the polishing plate 7 fits against the outer wall of the valve. During this process, the bottom end of the clamping plate 6 contacts and squeezes the pressing block 87, so that the pressing block 87 drives the rack 86 to move downward, and the rack 86 moves downward and drives the screw to rotate through the gear 85. The rotation of the screw drives the clamping block 82 connected to it to move toward the valve. Move until the two clamping blocks 82 fit with the bottom end of the outer wall of the valve and limit its rotation. Then, the motor 3 can be started to drive the transmission disk 4 to rotate. The transmission disk 4 drives the clamping plate 6 and the grinding plate 7 to rotate to grind the valve. After the grinding is completed, the double-headed threaded rod 5 is reversed to drive the two clamping plates 6 away from each other, and the extrusion force on the pressing block 87 is released. Under the pressure of the spring 88, the connecting block drives the rack 86 and the pressing block 87 to reset. The screw is reversed to drive the clamping block 82 to reset to the limit groove, and the valve can be removed and replaced.

[0037] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements fall within the scope of the present invention as claimed.

Claims

1. An engine valve grinding device, characterized in that: The invention comprises a base (1); the top of the base (1) is fixedly connected to a fixing frame (2); the top of the fixing frame (2) is fixedly connected to a motor (3); the output end of the motor (3) passes through the fixing frame (2) and is fixedly connected to a transmission disk (4); an adjustment slot is provided at the bottom of the transmission disk (4); a double-headed threaded rod (5) is rotatably connected to the inner side wall of the adjustment slot; both ends of the outer wall of the double-headed threaded rod (5) are threadedly connected to a clamping plate (6); a grinding plate (7) is installed on one side of the clamping plate (6); A transmission mechanism (8) is provided on the top of the base (1), and the transmission mechanism (8) includes a limiting ring (81) fixedly connected to the top of the base (1), an inner side wall of the limiting ring (81) is provided with a limiting groove, a clamping block (82) is slidably connected in the limiting groove, a first threaded hole (83) is provided on one side of the clamping block (82), a first screw rod (84) is rotatably connected in the first threaded hole (83), and one end of the first screw rod (84) extends A threaded hole is formed and is rotatably connected to the inner wall of the limiting groove. The outer wall of the screw rod is fixedly connected to a gear (85). The top of the limiting ring (81) is provided with a through groove connected to the limiting groove. A rack (86) is slidably connected in the through groove. The top of the rack (86) extends out of the through groove and is fixedly connected to a pressing block (87). One side of the rack (86) is fixedly connected to a connecting block. The bottom end of the connecting block is elastically connected to the inner wall of the limiting groove through a spring (88).

2. The engine valve grinding device according to claim 1, characterized in that: A collecting trough connected to the cleaning trough (9) is provided on the top of the base (1), and a supporting block (10) is fixedly connected to the inner side wall of the collecting trough via a supporting rod.

3. The engine valve grinding device according to claim 2, characterized in that: A collection box (11) is slidably connected in the collection trough, an auxiliary block (12) is fixedly connected to the top of the support block (10), and a handle is fixedly connected to the front of the collection box (11).

4. The engine valve grinding device according to claim 3, characterized in that: A mounting groove is provided on one side of the clamping plate (6), a mounting block (13) is slidably connected in the mounting groove, one end of the mounting block (13) extends out of the mounting groove and is fixedly connected to the grinding plate (7), a second threaded hole is provided on one side of the clamping plate (6), a second screw rod (14) is rotatably connected in the second threaded hole, one end of the second screw rod (14) extends out of the second threaded hole and is inserted into the positioning hole provided on one side of the mounting block (13), and the other end of the second screw rod (14) extends out of the threaded hole and is connected to the outside.

5. The engine valve grinding device according to claim 4, characterized in that: One end of the second screw rod (14) located outside is fixedly connected to a knob, and the outer wall of the knob is provided with anti-slip grooves.

6. The engine valve grinding device according to claim 5, characterized in that: An auxiliary plate (15) is fixedly connected to the top of the base (1), and an auxiliary groove adapted to the limiting ring (81) is provided on the top of the auxiliary plate (15).

7. The engine valve grinding device according to claim 6, characterized in that: A sealing pad is provided on one side of the clamping plate (6), and an anti-slip protrusion is provided on one side of the clamping block (82) away from the screw rod.

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