Automatic gear grinding machine with damping function

Abstract

The automatic gear grinding machine with the damping function comprises a gear machining tool and a gear, a fixing column is clamped and installed on a chuck of the gear machining tool, the gear is connected to the outer side of the fixing column in a sleeving mode, a bearing is installed on the side wall of a cantilever in the gear machining tool in an inserted mode, and a connecting shaft is installed in the bearing in an inserted mode; a grinding wheel is mounted on the outer side of one end of the connecting shaft, a placement groove is formed in the side wall of the gear machining tool, a mounting plate is mounted in the placement groove, a motor is mounted on the side wall of the mounting plate and electrically connected with an external power source, and a universal joint is mounted at the output end of the motor and connected with the other end of the connecting shaft. According to the device, the motor is mounted on the mounting plate in the placement groove, and the rubber sleeve is further arranged on the outer side of the mounting plate, so that vibration generated after the motor is started can be absorbed by deformation of the rubber sleeve, the vibration is prevented from being transmitted to a cantilever of a gear machining machine tool, and the situation that the gear grinding precision is affected due to vibration generated by a grinding wheel is avoided.

Description

Technical Field

[0001] This patent relates to the field of gear grinding technology, specifically an automatic gear grinding machine with shock absorption function. Background Art

[0002] Gear grinding machine is a gear processing machine tool that uses grinding wheel as a grinding tool to process the tooth surface of cylindrical gears or some gear processing tools. It is mainly used to eliminate deformation after heat treatment and improve gear accuracy.

[0003] However, the existing automatic gear grinding machine does not have a shock absorption function, and the grinding wheel is directly installed at the output end of the motor, resulting in a small amplitude vibration after the motor is started during operation, and the grinding wheel of the gear grinding machine will also vibrate, resulting in poor grinding accuracy.

[0004] Patent content

[0005] The purpose of this patent is to provide an automatic gear grinding machine with a shock-absorbing function to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, this patent provides the following technical solutions: an automatic gear grinding machine with a shock absorbing function, comprising a gear processing machine and a gear, wherein a fixed column is clamped and installed on the chuck of the gear processing machine, and the gear is sleeved on the outside of the fixed column, and a bearing is inserted and installed on the side wall of the cantilever in the gear processing machine, and a connecting shaft is inserted and installed in the bearing, and a grinding wheel is installed on the outside of one end of the connecting shaft;

[0007] The side wall of the gear processing machine tool is provided with a placement groove, a mounting plate is installed in the placement groove, a motor is installed on the side wall of the mounting plate, the motor is electrically connected to an external power supply, a universal joint is installed at the output end of the motor, and the universal joint is connected to the other end of the connecting shaft.

[0008] Preferably, a rubber sleeve is wrapped and installed on the outer side of the mounting plate, the side wall of the rubber sleeve is in contact with the inner wall of the placement groove, the inner cavity of the rubber sleeve is provided with a cavity, and a spring is installed in the cavity.

[0009] Preferably, a scraper is installed on the side wall of the gear processing machine tool cantilever, and the side wall of the scraper is in contact with the side wall of the grinding wheel. An air duct is installed on the side wall of the gear processing machine tool cantilever, and the air duct is a three-way pipe. The air inlet end of the air duct is connected to an external fan, the main air outlet end of the air duct is located on the upper part of the scraper, and the auxiliary air outlet end of the air duct is located on the side of the grinding wheel.

[0010] Preferably, a positioning ring is sleeved on the outer side of the fixing column, and there are two positioning rings in total. The two positioning rings are respectively arranged on the front and rear sides of the gear, and nuts are installed on the side walls of the positioning rings. The outer side of the fixing column is provided with an external thread, and the positioning ring is installed on the outer side of the fixing column by rotating the nut.

[0011] Preferably, a shielding plate is installed on the side wall of the gear processing machine, and the shielding plate is located on the side wall of the placement groove, and the shielding plate can block the installation plate.

[0012] Preferably, a buffer pad is installed on the side wall of the shielding plate, and the buffer pad is in contact with the side wall of the mounting plate.

[0013] Compared with the prior art, the beneficial effects of this patent are:

[0014] The device installs the motor on a mounting plate in a placement groove, wherein a rubber sleeve is also arranged on the outer side of the mounting plate, so that the vibration generated by the motor after starting is absorbed by the deformation of the rubber sleeve, thereby avoiding transmission to the cantilever of the gear processing machine tool, thereby avoiding vibration of the grinding wheel and affecting the accuracy of gear grinding;

[0015] In addition, the device is also provided with an air delivery pipe so that impurities such as iron filings produced during grinding can be blown away to avoid affecting the grinding of the gears. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the structure of this patent.

[0017] Figure 2 This is a schematic diagram of the side structure of the cantilever of the gear processing machine tool of this patent.

[0018] Figure 3 for Figure 1 Schematic diagram of the structure at point A in the middle.

[0019] Figure 4 This is a schematic diagram of the internal structure of the rubber sleeve of this patent.

[0020] In the figure: 1 gear processing machine, 2 gear, 3 fixed column, 4 bearing, 5 connecting shaft, 6 grinding wheel, 7 placement groove, 8 mounting plate, 9 motor, 10 universal joint, 11 rubber sleeve, 12 cavity, 13 spring, 14 scraper, 15 air duct, 16 positioning ring, 17 nut, 18 shielding plate, 19 buffer pad. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of this patent to clearly and completely describe the technical solutions in the embodiments of this patent. Obviously, the described embodiments are only part of the embodiments of this patent, not all of them. Based on the embodiments in this patent, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this patent.

[0022] See also Figure 1-4 This patent provides a technical solution: an automatic gear grinding machine with a shock-absorbing function, comprising a gear processing machine 1 and a gear 2, a fixed column 3 is clamped and installed on the chuck of the gear processing machine 1, the gear 2 is sleeved on the outside of the fixed column 3, a bearing 4 is inserted and installed on the side wall of the cantilever in the gear processing machine 1, a connecting shaft 5 is inserted and installed in the bearing 4, and a grinding wheel 6 is installed on the outside of one end of the connecting shaft 5;

[0023] The motor 9 drives the grinding wheel 6 to rotate, and then controls the cantilever to descend so that the grinding wheel 6 is inserted into the tooth groove of the gear 2. Then the cantilever moves horizontally, and the grinding wheel 6 grinds the tooth groove of the gear 2.

[0024] A placement groove 7 is provided on the side wall of the gear processing machine 1, a mounting plate 8 is installed in the placement groove 7, a motor 9 is installed on the side wall of the mounting plate 8, the motor 9 is electrically connected to an external power supply, a universal joint 10 is installed at the output end of the motor 9, and the universal joint 10 is connected to the other end of the connecting shaft 5;

[0025] The motor 9 in the present device is not directly mounted on the cantilever, but is fixed on the cantilever through the cooperation between the mounting plate 8 and the placement groove 7, and a rubber sleeve 11 is also provided on the outside of the mounting plate 8. The deformation of the rubber sleeve 11 can absorb the vibration generated during the operation of the motor 9, thereby avoiding the vibration being transmitted to the cantilever and affecting the stability of the grinding wheel 6.

[0026] Specifically, a rubber sleeve 11 is wrapped around the outer side of the mounting plate 8, the side wall of the rubber sleeve 11 is in contact with the inner wall of the placement groove 7, the inner cavity of the rubber sleeve 11 is provided with a cavity 12, and a spring 13 is installed in the cavity 12;

[0027] By arranging the spring 13 in the cavity 12 in the rubber sleeve 11 , the elastic force of the rubber sleeve 11 can be increased, thereby improving the shock absorption capability of the rubber sleeve 11 .

[0028] Specifically, a scraper 14 is installed on the side wall of the cantilever of the gear processing machine tool 1, and the side wall of the scraper 14 is in contact with the side wall of the grinding wheel 6. An air supply pipe 15 is installed on the side wall of the cantilever of the gear processing machine tool 1. The air supply pipe 15 is a three-way pipe. The air inlet end of the air supply pipe 15 is connected to an external fan. The main air outlet end of the air supply pipe 15 is located on the upper part of the scraper 14, and the auxiliary air outlet end of the air supply pipe 15 is located on the side of the grinding wheel 6.

[0029] By providing the air delivery pipe 15 , impurities such as iron filings produced during grinding can be blown away to avoid affecting the grinding of the gear 2 .

[0030] Specifically, a positioning ring 16 is sleeved on the outer side of the fixing column 3. There are two positioning rings 16, which are respectively arranged on the front and rear sides of the gear 2. Nuts 17 are installed on the side walls of the positioning rings 16. The outer side of the fixing column 3 is provided with an external thread. The positioning ring 16 is rotatably installed on the outer side of the fixing column 3 through the nuts 17.

[0031] The position of the positioning ring 16 can be adjusted by rotating it so that it can be suitable for gears 2 of different lengths.

[0032] Specifically, a shielding plate 18 is installed on the side wall of the gear processing machine 1 . The shielding plate 18 is located on the side wall of the placement groove 7 . The shielding plate 18 can block the installation plate 8 .

[0033] Specifically, a buffer pad 19 is installed on the side wall of the shielding plate 18 , and the buffer pad 19 is in contact with the side wall of the mounting plate 8 .

[0034] Working principle: After the motor 9 is started, it drives the grinding wheel 6 to rotate, and then controls the cantilever to descend so that the grinding wheel 6 is inserted into the tooth groove of the gear 2, and then the cantilever moves horizontally to grind the tooth groove of the gear 2 by the grinding wheel 6. After the tooth groove is ground, the cantilever is moved up, and then the spindle of the gear processing machine 1 is controlled to drive the chuck to rotate so that the other tooth groove of the gear 2 is vertically upward, and then the above operation is repeated until all the tooth grooves of the gear 2 are ground.

[0035] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be considered exemplary and non-restrictive in all respects, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0036] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An automatic gear grinding machine with a shock absorbing function, comprising a gear processing machine tool (1) and a gear (2), characterized in that: A fixing column (3) is clamped and installed on the chuck of the gear processing machine tool (1), the gear (2) is sleeved on the outside of the fixing column (3), a bearing (4) is inserted and installed on the side wall of the cantilever in the gear processing machine tool (1), a connecting shaft (5) is inserted and installed in the bearing (4), and a grinding wheel (6) is installed on the outside of one end of the connecting shaft (5); The side wall of the gear processing machine tool (1) is provided with a placement groove (7), a mounting plate (8) is installed in the placement groove (7), a motor (9) is installed on the side wall of the mounting plate (8), the motor (9) is electrically connected to an external power supply, a universal joint (10) is installed at the output end of the motor (9), and the universal joint (10) is connected to the other end of the connecting shaft (5).

2. The automatic gear grinding machine with a shock absorbing function according to claim 1, characterized in that: The outer side of the mounting plate (8) is wrapped with a rubber sleeve (11), the side wall of the rubber sleeve (11) is in contact with the inner wall of the placement groove (7), the inner cavity of the rubber sleeve (11) is provided with a cavity (12), and a spring (13) is installed in the cavity (12).

3. The automatic gear grinding machine with a shock absorbing function according to claim 1, characterized in that: A scraper (14) is installed on the side wall of the cantilever of the gear processing machine tool (1), and the side wall of the scraper (14) is in contact with the side wall of the grinding wheel (6). An air supply pipe (15) is installed on the side wall of the cantilever of the gear processing machine tool (1), and the air supply pipe (15) is a three-way pipe. The air inlet end of the air supply pipe (15) is connected to an external fan, the main air outlet end of the air supply pipe (15) is located on the upper part of the scraper (14), and the auxiliary air outlet end of the air supply pipe (15) is located on the side of the grinding wheel (6).

4. The automatic gear grinding machine with a shock absorbing function according to claim 1, characterized in that: A positioning ring (16) is sleeved on the outer side of the fixing column (3), and there are two positioning rings (16) in total. The two positioning rings (16) are respectively arranged on the front and rear sides of the gear (2), and a nut (17) is installed on the side wall of the positioning ring (16). The outer side of the fixing column (3) is provided with an external thread, and the positioning ring (16) is rotatably installed on the outer side of the fixing column (3) through the nut (17).

5. The automatic gear grinding machine with a shock absorbing function according to claim 1, characterized in that: A shielding plate (18) is installed on the side wall of the gear processing machine tool (1); the shielding plate (18) is located on the side wall of the placement groove (7); and the shielding plate (18) can block the installation plate (8).

6. The automatic gear grinding machine with a shock absorbing function according to claim 5, characterized in that: A buffer pad (19) is installed on the side wall of the shielding plate (18), and the buffer pad (19) is in contact with the side wall of the mounting plate (8).

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