Reciprocating Grinding Tool for Compressor Valve Plate

Abstract

The present invention provides a reciprocating grinding tool for compressor valve plates, which relates to the technical field of grinding devices and comprises a tool frame and a grinding wheel. Deflection frames are installed on the tool frame at intervals via rotating shafts, and valve plate assembly turntables are movably installed at the bottom of the deflection frames. The rotating motor is fixedly installed on the deflection frame. During the left and right translation of the deflection telescopic plate, several deflection frames synchronously perform reciprocating deflection motions; the grinding wheel is arranged below several valve plate assembly turntables, and the valve plates abut against the surfaces of the grinding wheels. The automatic grinding fluid filling system improves the quality of the grinding process by applying grinding fluid to the outer edges of the valve plates. The present invention can simultaneously meet the synchronous grinding requirements of multiple groups of valve plates, and can perform multi-angle grinding on the outer edge side of the valve plates during the grinding process, which is conducive to producing valve plates with higher quality. Grinding fluid can also be automatically added during the grinding operation, further ensuring the quality of the valve plates.

Description

Technical Field

[0001] The invention relates to the technical field of grinding devices, in particular to a reciprocating grinding tool for a compressor valve sheet. Background Art

[0002] A reciprocating grinding tooling structure for high-precision valve plates with a publication number of "CN212600729U" in the prior art is provided with a CBN grinding wheel, a floating seat, a rotating shaft, a fixed seat, a clamping rod, a tooling base, a wear-resistant block, a valve plate, a pressure head, a reference block, a clamping rod, a tooling bracket, a clamping cylinder, a clamping cylinder, a workbench, and a small bed. The structure is characterized in that a reciprocating workbench is installed on the horizontally arranged small bed, and a tooling bracket is arranged on the workbench. The clamping and clamping of the valve plate are controlled by the clamping cylinder and the clamping cylinder. The valve plate enters and leaves the CBN grinding wheel with the workbench to complete the grinding. The device has a reasonable design and high stability and can adapt to the advantages of high-precision grinding of large quantities of valve plates.

[0003] However, the above-mentioned device still has obvious defects during use: the above-mentioned device can only grind a single valve plate at a time, its grinding efficiency is low, and the grinding surface and grinding function are single, which cannot meet the current high-precision grinding requirements of valve plates. Summary of the invention

[0004] The purpose of the present invention is to provide a reciprocating grinding tool for compressor valve plates to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A reciprocating grinding tool for a compressor valve plate, comprising a tool frame and a grinding wheel, wherein a plurality of deflection frames are evenly installed on the tool frame through a rotating shaft, a valve plate assembly turntable is movably installed at the bottom of each deflection frame, the valve plate assembly turntable is used to fix the valve plate, the valve plate assembly turntable is fixedly connected to a driving shaft of a corresponding rotating motor, the rotating motor is fixedly installed on the deflection frame, a plurality of the deflection frames are fixedly installed with positioning pins, and a plurality of the positioning pins are movably inserted in a pin hole provided on the same deflection telescopic plate, and during the left and right translation of the deflection telescopic plate, a plurality of the deflection frames synchronously perform a reciprocating deflection motion;

[0007] The grinding wheel is arranged below a plurality of valve plate assembly turntables, the valve plates are pressed against the surface of the grinding wheel, and the fixed axis of the grinding wheel is lifted and rotated to grind the valve plates;

[0008] The deflection frame is also provided with an automatic grinding fluid filling system. During the rotational movement of the rotary motor, the automatic grinding fluid filling system applies grinding fluid to the outer edge of the valve plate, thereby improving the quality of the grinding process.

[0009] Preferably, the device for driving the deflection and telescopic plate to perform left and right translational movement includes a deflection motor, a deflection screw and a screw rack. The deflection motor is fixedly mounted on the tooling frames on both sides, the deflection screw is fixedly connected to the driving shaft of the deflection motor, the screw rack is fixedly mounted on both sides of the deflection and telescopic plate, and the screw rack is provided with an internal thread that cooperates with the deflection screw, so as to push the deflection and telescopic plate to perform reciprocating translational sliding during the rotational movement of the deflection motor.

[0010] Preferably, the tooling frame is also installed on the translation frame in a translational and sliding manner, a translation screw is installed on the translation frame, the translation screw is fixedly connected to the driving shaft of the translation motor, a screw hole cooperating with the translation screw is opened on the tooling frame, and the tooling frame is driven to perform reciprocating translational sliding through the rotation of the translation motor.

[0011] Preferably, the automatic grinding fluid filling system includes a grinding fluid filling cabin, a grinding fluid adding seat and a one-way air intake cylinder, a connecting rod piston is installed in the one-way air intake cylinder, the connecting rod piston is movably connected to the eccentric disk at one end away from the one-way air intake cylinder, a driven gear is fixedly installed on the rotating shaft of the eccentric disk, the driven gear is meshed with a tooth groove provided on the outer edge of the valve plate assembly rotating disk, the one-way air intake cylinder is fixedly installed on the deflection frame, an airway connected to the one-way air intake cylinder is provided in the deflection frame, the airway is connected to the one-way air intake cylinder through a positioning pin and an air pipe It is connected to the grinding fluid filling chamber fixedly installed on the deflection and telescopic plate. During the rotation of the rotating motor, the valve plate assembly turntable rotates to drive the connecting rod piston to perform telescopic movement. During the telescopic movement of the connecting rod piston, one-way air is supplied to the grinding fluid filling chamber. The grinding fluid filling chamber is connected to the grinding fluid adding seat through a flexible tube. The grinding fluid adding seat rests on the outer edge of the grinding wheel. The grinding fluid adding seat is provided with a filling hole connected to the grinding fluid filling chamber, so that the grinding fluid is pumped onto the outer edge of the grinding wheel under the push of the air pressure inside the grinding fluid filling chamber.

[0012] Preferably, an adsorption sponge is also installed in the grinding fluid adding seat.

[0013] Preferably, a positioning protrusion and an adsorption electromagnet are installed on the valve plate assembly turntable, and the valve plate can be loaded and unloaded by switching the adsorption electromagnet on and off.

[0014] Preferably, the grinding wheel is driven by a grinding motor to rotate and driven by a lifting mechanism to lift.

[0015] Compared with the prior art, the present invention has the following beneficial effects:

[0016] The present invention can simultaneously perform synchronous grinding requirements for multiple groups of valve plates, and can perform multi-angle grinding requirements on the outer edge side of the valve plate during the grinding process, which is conducive to the production of higher quality valve plates, and can also automatically add grinding fluid during the grinding operation, thereby actively cooling and lubricating the grinding surface, further ensuring the quality of the valve plate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the overall structure of the deflection frame of the present invention in a deflection state;

[0019] Figure 3 This is a schematic diagram of the connection structure of the grinding fluid filling chamber of the present invention;

[0020] Figure 4 It is a schematic diagram of the filling hole communication structure of the present invention;

[0021] Figure 5 It is a schematic diagram of the valve plate and the valve plate assembly turntable of the present invention.

[0022] In the figure: 1 a tooling frame, 2 a grinding wheel, 3 a deflection frame, 4 a valve plate assembly turntable, 5 a valve plate, 6 a rotating motor, 7 a positioning latch, 8 a deflection telescopic plate, 9 a latch hole, 10 a deflection motor, 11 a deflection screw rod, 12 a screw rod frame, 13 a translation frame, 14 a translation screw rod, 15 a translation motor, 16 a grinding fluid filling chamber, 17 a grinding fluid adding seat, 18 a one-way air intake cylinder, 19 a connecting rod piston, 20 an eccentric disk, 21 a driven gear, 22 an airway, 23 an air pipe, 24 a flexible tube, 25 a filling hole, 26 an adsorption sponge, 27 a positioning protrusion, and 28 an adsorption electromagnet. DETAILED DESCRIPTION

[0023] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0024] See also Figure 1-5 , the present invention provides a technical solution: Embodiment 1:

[0025] A reciprocating grinding tool for a compressor valve plate, comprising a tool frame 1 and a grinding wheel 2, a plurality of deflection frames 3 are evenly installed on the tool frame 1 through a rotating shaft, a valve plate assembly turntable 4 is movably installed at the bottom of the deflection frame 3, the valve plate assembly turntable 4 is used to fix the valve plate 5, the valve plate assembly turntable 4 is fixedly connected to a driving shaft of a one-to-one corresponding rotating motor 6, the rotating motor 6 is fixedly installed on the deflection frame 3, a plurality of deflection frames 3 are fixedly installed with positioning pins 7, a plurality of positioning pins 7 are movably inserted in a pin hole 9 provided in the same deflection telescopic plate 8, and in the left and right translation process of the deflection telescopic plate 8, a plurality of deflection frames 3 synchronously perform reciprocating deflection motion;

[0026] The grinding wheel 2 is arranged below a plurality of valve plate assembly turntables 4, and the valve plate 5 is against the surface of the grinding wheel 2, and the valve plate 5 is ground by the lifting and rotating motion of the fixed axis of the grinding wheel 2;

[0027] The deflection frame 3 is also provided with an automatic grinding fluid filling system. During the rotation of the rotary motor 6 , the automatic grinding fluid filling system applies grinding fluid to the outer edge of the valve plate 5 , thereby improving the quality of the grinding process.

[0028] In this embodiment, the tooling frame 1 serves as a bearing mechanism for various parts, and a plurality of deflection frames 3 are evenly installed thereon, and a valve plate assembly turntable 4 is movably installed on each deflection frame 3, so that a plurality of valve plates 5 can be installed on the tooling frame 1, and the valve plates 5 are driven to rotate by the rotation of the rotary motor 6, and the valve plates 5 are abutted against the grinding wheel 2, so that the valve plates 5 are ground during the high-speed rotation of the grinding wheel 2. Since the grinding operation requires grinding of multiple end faces of the outer edge of the valve plates 5, a deflection telescopic plate 8 is further provided, and the deflection of the plurality of deflection frames 3 is driven to deflect by the left-right translation movement of the deflection telescopic plate 8, and the grinding operation of multiple end faces of the valve plates 5 is realized during the deflection process. In addition, due to the deflection During the deflection process, the frame 3 will cause the lowest point of the valve plate 5 to change. In order to ensure that the valve plate 5 is in contact with the grinding wheel 2, the grinding wheel 2 rotates under the drive of the grinding motor and lifts and lowers under the drive of the lifting mechanism. Since rotation and lifting movements are more common in the prior art and their driving mechanisms are also diverse, their specific structures will not be described in detail in this application. The grinding wheel 2 in this embodiment adopts a lifting setting to cooperate with the deflection of the valve plate 5 to ensure the normal grinding operation. At the same time, grinding fluid needs to be added during the grinding process. In this embodiment, power is provided by the rotation of the rotating motor 6 to add grinding fluid to the outer edge of the valve plate 5, thereby improving the quality of the grinding process. Embodiment 2:

[0029] The device for driving the deflection telescopic plate 8 to perform left and right translational movement includes a deflection motor 10, a deflection screw 11 and a screw rack 12. The deflection motor 10 is fixedly mounted on the tooling frames 1 on both sides, the deflection screw 11 is fixedly connected to the driving shaft of the deflection motor 10, and the screw rack 12 is fixedly mounted on both sides of the deflection telescopic plate 8. The screw rack 12 is provided with an internal thread that cooperates with the deflection screw 11, and pushes the deflection telescopic plate 8 to perform reciprocating translational sliding during the rotational movement of the deflection motor 10.

[0030] In this embodiment, the specific structure of the left-right translation movement of the deflection telescopic plate 8 is further disclosed. The deflection motor 10 in this embodiment adopts a stepping motor, which drives the deflection telescopic plate 8 to perform precise left-right translation and sliding through its precise rotational movement, thereby accurately adjusting the deflection angle of the deflection frame 3. Embodiment three:

[0031] The tooling frame 1 is also installed in a translational and sliding manner on the translation frame 13, and a translation screw 14 is installed on the translation frame 13. The translation screw 14 is fixedly connected to the driving shaft of the translation motor 15. A screw hole that cooperates with the translation screw 14 is opened on the tooling frame 1. The tooling frame 1 is driven to perform reciprocating translational sliding through the rotation of the translation motor 15.

[0032] In this embodiment, a translational sliding mechanism of the tooling frame 1 is further disclosed, and the rotation of the translation motor 15 drives the tooling frame 1 to perform reciprocating translational sliding, thereby continuously adjusting the contact position between the valve plate 5 and the grinding wheel 2 during the grinding operation, ensuring that multiple valve plates 5 can be ground more fully and evenly, thereby ensuring the consistency of grinding of each batch of valve plates 5. Embodiment 4:

[0033] The grinding fluid automatic filling system includes a grinding fluid filling cabin 16, a grinding fluid adding seat 17 and a one-way air inlet cylinder 18. A connecting rod piston 19 is installed in the one-way air inlet cylinder 18. The connecting rod piston 19 is movably connected to the eccentric disk 20 at one end away from the one-way air inlet cylinder 18. A driven gear 21 is fixedly installed on the rotating shaft of the eccentric disk 20. The driven gear 21 meshes with the tooth groove provided on the outer edge of the valve plate assembly turntable 4. The one-way air inlet cylinder 18 is fixedly installed on the deflection frame 3. An air duct 22 connected to the one-way air inlet cylinder 18 is provided in the deflection frame 3. The air duct 22 is connected to the deflection extension through the positioning pin 7 and the air pipe 23. The grinding fluid filling chamber 16 fixedly installed on the retracting plate 8 is connected. During the rotation of the rotating motor 6, the valve plate assembly turntable 4 rotates to drive the connecting rod piston 19 to perform telescopic movement. During the telescopic movement of the connecting rod piston 19, one-way air is supplied to the grinding fluid filling chamber 16. The grinding fluid filling chamber 16 is connected to the grinding fluid adding seat 17 through the flexible tube 24. The grinding fluid adding seat 17 is against the outer edge of the grinding wheel 2. The grinding fluid adding seat 17 is provided with a filling hole 25 connected to the grinding fluid filling chamber 16, so that the grinding fluid is pumped onto the outer edge of the grinding wheel 2 under the push of the internal air pressure of the grinding fluid filling chamber 16.

[0034] An adsorption sponge 26 is also installed in the grinding fluid adding seat 17 .

[0035] In this embodiment, the specific structure of the automatic grinding fluid filling system for applying grinding fluid to the surface of the valve plate 5 is further disclosed, wherein an adsorption sponge 26 is also installed in the grinding fluid adding seat 17, and the grinding fluid is adsorbed by the adsorption sponge 26, so that the grinding fluid is applied to the valve plate 5 through the contact between the valve plate 5 and the adsorption sponge 26. Embodiment five:

[0036] The valve plate assembly turntable 4 is provided with a positioning protrusion 27 and an adsorption electromagnet 28 , and the valve plate 5 can be assembled and disassembled by switching the adsorption electromagnet 28 on and off.

[0037] In this embodiment, a specific mechanism for assembling the valve plate assembly turntable 4 and the valve plate 5 is further disclosed, and the valve plate 5 is firmly adsorbed on the valve plate assembly turntable 4 by the magnetic force generated by the adsorption electromagnet 28. Since the valve plate 5 used in the compressor is usually made of stainless steel, it has good magnetic adsorption properties. Therefore, it can be quickly assembled by the adsorption electromagnet 28, wherein the adsorption electromagnet 28 is connected to the external power supply through the lead wire pulled out from the rotating shaft of the valve plate assembly turntable 4, so that the adsorption electromagnet 28 is continuously powered during the rotation of the valve plate assembly turntable 4 to ensure the normal grinding operation.

[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A reciprocating grinding tool for a compressor valve plate, comprising a tool frame and a grinding wheel, characterized in that: A plurality of deflection frames are evenly installed on the tooling frame through a rotating shaft, and a valve plate assembly turntable is movably installed at the bottom of each deflection frame. The valve plate assembly turntable is used to fix the valve plate, and the valve plate assembly turntable is fixedly connected to a driving shaft of a corresponding rotating motor. The rotating motor is fixedly installed on the deflection frame, and a plurality of the deflection frames are fixedly installed with positioning pins, and a plurality of the positioning pins are movably inserted in the pin holes provided on the same deflection telescopic plate. During the left-right translation of the deflection telescopic plate, the plurality of the deflection frames synchronously perform reciprocating deflection motion; The grinding wheel is arranged below a plurality of valve plate assembly turntables, the valve plates are pressed against the surface of the grinding wheel, and the fixed axis of the grinding wheel is lifted and rotated to grind the valve plates; The deflection frame is also provided with an automatic grinding fluid filling system. During the rotation of the rotary motor, the automatic grinding fluid filling system applies grinding fluid to the outer edge of the valve plate, thereby improving the quality of the grinding process. The device for driving the deflection telescopic plate to perform left and right translational motion comprises a deflection motor, a deflection screw and a screw rack, wherein the deflection motor is fixedly mounted on the tooling racks on both sides, the deflection screw is fixedly connected to the driving shaft of the deflection motor, the screw rack is fixedly mounted on both sides of the deflection telescopic plate, and the screw rack is provided with an internal thread that cooperates with the deflection screw, and pushes the deflection telescopic plate to perform reciprocating translational sliding during the rotational motion of the deflection motor; The tooling frame is also installed on the translation frame in a translational sliding manner. A translation screw is installed on the translation frame. The translation screw is fixedly connected to the driving shaft of the translation motor. A screw hole that cooperates with the translation screw is opened on the tooling frame. The tooling frame is driven to perform reciprocating translational sliding through the rotation of the translation motor. The automatic grinding fluid filling system includes a grinding fluid filling cabin, a grinding fluid adding seat and a one-way air intake cylinder, a connecting rod piston is installed in the one-way air intake cylinder, and the connecting rod piston is movably connected to the eccentric disk at one end away from the one-way air intake cylinder, and a driven gear is fixedly installed on the rotating shaft of the eccentric disk, and the driven gear is meshed with a tooth groove provided on the outer edge of the valve plate assembly rotating disk, and the one-way air intake cylinder is fixedly installed on the deflection frame, and an air passage connected to the one-way air intake cylinder is provided in the deflection frame, and the air passage is connected to the eccentric disk through a positioning pin and an air pipe. The grinding fluid filling chamber is connected to a grinding fluid filling chamber fixedly installed on the rotating and telescopic plate. During the rotation of the rotating motor, the valve plate assembly turntable rotates to drive the connecting rod piston to perform telescopic movement. During the telescopic movement of the connecting rod piston, one-way air is supplied to the grinding fluid filling chamber. The grinding fluid filling chamber is connected to the grinding fluid adding seat through a flexible tube. The grinding fluid adding seat rests on the outer edge of the grinding wheel. The grinding fluid adding seat is provided with a filling hole connected to the grinding fluid filling chamber, so that the grinding fluid is pumped onto the outer edge of the grinding wheel under the push of the air pressure inside the grinding fluid filling chamber.

2. A reciprocating grinding tool for a compressor valve sheet according to claim 1, characterized in that: An adsorption sponge is also installed in the grinding fluid adding seat.

3. A reciprocating grinding tool for a compressor valve sheet according to claim 2, characterized in that: The valve plate assembly turntable is provided with a positioning protrusion and an adsorption electromagnet, and the valve plate is assembled and disassembled by switching the adsorption electromagnet on and off.

4. A reciprocating grinding tool for a compressor valve sheet according to claim 3, characterized in that: The grinding wheel is driven by the grinding motor to rotate and driven by the lifting mechanism to lift.

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