Gear grinding machine for gear production

Abstract

The invention discloses a gear grinding machine for gear production, which belongs to the field of gear machining and comprises an equipment base, a grinding mechanism with a grinding wheel assembly is arranged at the top end of the equipment base, a motor is mounted at the top end of the equipment base, and the grinding wheel assembly is mounted on an output shaft of the motor. A supporting rod is fixedly installed at the top end of the equipment base, a supporting barrel used for supporting a polishing wheel body to rotate is fixedly installed at the free end of the supporting rod, and the polishing wheel assembly rotates on the outer surface of the supporting barrel and comprises the polishing wheel body rotationally installed on the outer surface of the supporting barrel. Through the synergistic effect of the inner cavity of the grinding wheel, the transverse / longitudinal discharging opening and the spiral feeding wheel, immediate export and directional conveying of grinding scraps are achieved, the feeding wheel is composed of spiral blades, bevel gear transmission is matched, the scraps can be actively pushed and collected from the discharging opening, the scraps are effectively prevented from being accumulated on the grinding face, and the grinding efficiency is improved. And the machining continuity and the surface quality are obviously improved.

Description

Technical Field

[0001] The invention relates to the technical field of gear processing, and in particular to a gear grinding machine for gear production. Background Art

[0002] In the field of gear processing and manufacturing, the gear grinding process is a key link to ensure gear accuracy and surface quality. Traditional gear grinding machines for gear production usually use grinding wheels to process the gear tooth surface. The metal debris generated during the grinding process is easy to adhere to the grinding wheel surface or tooth grooves, not only accumulating in the contact area between the grinding wheel and the gear, causing secondary wear, scratching the gear surface, and reducing processing accuracy, but also easily leading to blockage of the chip removal channel, requiring frequent shutdowns for cleaning, seriously affecting processing efficiency. Summary of the invention

[0003] The purpose of the present invention is to provide a gear grinding machine for gear production, so as to solve the problem mentioned in the above background technology that the metal debris generated during the grinding process is easy to adhere to the surface of the grinding wheel or the tooth groove, not only accumulating in the contact area between the grinding wheel and the gear, causing secondary wear, scratching the gear surface, and reducing the processing accuracy.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a gear grinding machine for gear production, comprising an equipment base, a grinding mechanism with a grinding wheel assembly is arranged on the top of the equipment base, a motor is installed on the top of the equipment base, the grinding wheel assembly is installed on the output shaft of the motor, a support rod is fixedly installed on the top of the equipment base, a support cylinder for supporting the rotation of the grinding wheel body is fixedly installed on the free end of the support rod, and the grinding wheel assembly rotates on the outer surface of the support cylinder, the grinding wheel assembly comprises a grinding wheel body rotatably installed on the outer surface of the support cylinder, a cavity for temporarily storing grinding debris is opened inside the grinding wheel body, a horizontal discharge port for discharging debris is opened on the grinding surface of the grinding wheel body, and a feed wheel for preventing debris from being blocked is rotatably installed inside the horizontal discharge port, a first bevel gear is fixedly installed on one end of the feed wheel, a second bevel gear is fixedly installed on the outer surface of the support cylinder, and the first bevel gear is meshed with the second bevel gear.

[0005] As a preferred technical solution of the present invention, a discharge pipe is fixedly installed on the inner wall of the grinding wheel body near the horizontal discharge port, and a feed wheel is rotatably installed inside the discharge pipe, and the feed wheel is composed of spiral blades.

[0006] As a preferred technical solution of the present invention, a protective plate is fixedly installed inside the grinding wheel body to prevent debris from interfering with the operation of the gears, and the first bevel gear and the second bevel gear are both located inside the protective plate.

[0007] As a preferred technical solution of the present invention, a cleaning plate with a notch for cleaning debris is fixedly mounted on the outer surface of the support tube, the grinding wheel body is arranged inside the cleaning plate, and activated carbon chips are installed inside the cleaning plate near the grinding wheel body.

[0008] As a preferred technical solution of the present invention, the outer surface of the grinding wheel body is provided with a plurality of unevenly distributed longitudinal discharge openings for absorbing debris from the side of the gear body, and the longitudinal discharge openings are connected to the internal cavity of the grinding wheel body.

[0009] As a preferred technical solution of the present invention, an adsorption mechanism with an air suction pipe is provided at the top of the equipment base, an air pump is installed at the top of the equipment base, one end of the air suction pipe is connected and installed at the input end of the air pump, and a hose for stretching is connected and installed at the middle section of the air suction pipe, the free end of the air suction pipe is connected and installed inside the support tube, and the outer surface of the support tube is provided with a through groove connected to the cavity.

[0010] As a preferred technical solution of the present invention, one end of the intake pipe is connected to a collection tube for collecting debris, a plurality of filter screens for filtering gas are installed near the inner wall of the intake pipe near the collection tube, and an electrostatic adsorption plate for adsorbing debris is fixedly installed inside the collection tube.

[0011] As a preferred technical solution of the present invention, a round rod is fixedly installed on the top of the equipment base, a gear body is sleeved on the round rod, a limiting mechanism with an electric push rod is provided on the top of the equipment base, a limiting frame is fixedly installed on the top of the equipment base, and the electric push rod is fixedly installed on one end of the limiting frame close to the gear body.

[0012] As a preferred technical solution of the present invention, a connecting rod is slidably passed through the top end of the round rod, a fixing rod is fixedly installed at one end of the connecting rod located inside the round rod, and a plurality of top rods for stabilizing the gear body are rotatably installed on the outer surface of the fixing rod, and one end of the top rod is inserted in the supporting gap inside the gear body.

[0013] As a preferred technical solution of the present invention, a moving mechanism with multi-angle displacement is provided on the top of the equipment base, and the motor is fixedly installed on the moving end of the moving mechanism.

[0014] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention realizes the instant extraction and directional conveying of grinding debris through the synergistic effect of the internal cavity of the grinding wheel, the horizontal / vertical discharge port and the spiral feeding wheel. The feeding wheel is composed of spiral blades and cooperates with the bevel gear transmission to actively push and collect the debris from the discharge port, effectively avoiding the accumulation of debris on the grinding surface, and significantly improving the processing continuity and surface quality.

[0015] 2. The present invention forms a "suction-discharge" dual debris cleaning mechanism through the horizontal / vertical discharge port combined with the air pump adsorption system. The longitudinal discharge port adsorbs the debris on the side of the gear, and the air pump extracts the debris in the cavity through the support tube groove, and cooperates with the cleaning plate with activated carbon to perform secondary filtration, which not only improves the debris removal efficiency, but also reduces the impact of residues on gear accuracy.

[0016] 3. The present invention integrates the collection method of electrostatic adsorption plate and multi-layer filter screen to achieve efficient separation of debris and gas purification under the action of air pump. Electrostatic adsorption can capture tiny particles, and the filter screen further purifies the airflow, effectively preventing the spread of grinding dust, which not only improves the working environment but also reduces the frequency of equipment maintenance.

[0017] 4. The electric push rod of the present invention drives the push rod to insert into the gear support gap, cooperates with the limit frame to form an adaptive and stable structure, and can automatically adjust the clamping force according to the gear size, eliminate vibration deviation during the grinding process, ensure uniform grinding depth of the tooth groove, and significantly improve the gear meshing accuracy and surface finish. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a side view structural schematic diagram of the present invention; Figure 3 It is a structural schematic diagram of the grinding mechanism of the present invention; Figure 4 It is a schematic diagram of the internal structure of the collecting tube of the present invention; Figure 5 It is a schematic diagram of the structure of the grinding wheel body of the present invention; Figure 6 It is a schematic diagram of the internal structure of the cleaning plate of the present invention; Figure 7 It is a schematic diagram of the internal structure of the grinding wheel body of the present invention; Figure 8 It is a schematic diagram of the cross-sectional structure of a grinding wheel body of the present invention; Fig. 9 It is a schematic diagram of the round rod structure of the present invention; Fig.10 It is a schematic diagram of the internal structure of the round rod of the present invention.

[0019] In the figure: 1. Equipment base; 2. Round rod; 3. Gear body; 4. Grinding mechanism; 41. Motor; 42. Support rod; 43. Cleaning plate; 44. Support cylinder; 45. Grinding wheel assembly; 451. Grinding wheel body; 452. Cavity; 453. Horizontal discharge port; 454. Feed wheel; 455. Longitudinal discharge port; 456. Discharge pipe; 457. Protective plate; 458. First bevel gear; 459. Second bevel gear; 5. Moving mechanism; 6. Adsorption mechanism; 61. Air pump; 62. Hose; 63. Suction pipe; 64. Collecting cylinder; 65. Electrostatic adsorption plate; 66. Filter; 7. Limiting mechanism; 71. Limiting frame; 72. Electric push rod; 73. Connecting rod; 74. Fixing rod; 75. Push rod; 76. Support gap. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-10 The present invention provides a gear grinding machine for gear production, including an equipment base 1, a grinding mechanism 4 with a grinding wheel assembly 45 is arranged at the top of the equipment base 1, a motor 41 is installed at the top of the equipment base 1, the grinding wheel assembly 45 is installed on the output shaft of the motor 41, a support rod 42 is fixedly installed at the top of the equipment base 1, a support cylinder 44 for supporting the rotation of a grinding wheel body 451 is fixedly installed at the free end of the support rod 42, and the grinding wheel assembly 45 rotates on the outer surface of the support cylinder 44.

[0022] The grinding wheel body 451 is driven by the motor 41 to rotate around the support tube 44 , and before grinding, the grinding wheel body 451 is placed in the tooth groove of the gear body 3 , so that the grinding wheel body 451 can accurately grind the tooth groove of the gear body 3 .

[0023] In the technical solution of the embodiment of the present application, the grinding wheel assembly 45 includes a grinding wheel body 451 rotatably mounted on the outer surface of the support tube 44, a cavity 452 for temporarily storing grinding debris is provided inside the grinding wheel body 451, a lateral discharge port 453 for discharging debris is provided on the grinding surface of the grinding wheel body 451, and a feed wheel 454 for preventing debris from being blocked is rotatably mounted inside the lateral discharge port 453, a first bevel gear 458 is fixedly mounted on one end of the feed wheel 454, a second bevel gear 459 is fixedly mounted on the outer surface of the support tube 44, and the first bevel gear 458 is meshed with the second bevel gear 459.

[0024] Among them, when the motor 41 drives the grinding wheel body 451 for grinding, the motor 41 will drive the second bevel gear 459 in the internal cavity 452 of the grinding wheel body 451 to rotate, the second bevel gear 459 drives the first bevel gear 458 to rotate, and the first bevel gear 458 drives the feeding wheel 454 to rotate. At this time, through the synergistic effect of the internal cavity 452 of the grinding wheel body 451, the horizontal discharge port 453, the longitudinal discharge port 455 and the spiral feeding wheel 454, the debris is timely discharged and directionally transported; the horizontal discharge port 453 is arranged along the length direction of the tooth groove, and the spiral blades of the feeding wheel 454 are used to force the debris to be discharged.

[0025] In some embodiments, a discharge pipe 456 is fixedly installed on the inner wall of the grinding wheel body 451 near the transverse discharge port 453, and a feed wheel 454 is rotatably installed inside the discharge pipe 456, and the feed wheel 454 is composed of spiral blades.

[0026] The debris can be collected in a centralized manner through the discharge pipe 456, and the feeding wheel 454 is composed of spiral blades, which cooperates with the bevel gear transmission to actively push the debris from the discharge port for collection.

[0027] In some embodiments, a protective plate 457 is fixedly installed inside the grinding wheel body 451 to prevent debris from interfering with the operation of the gears. The first bevel gear 458 and the second bevel gear 459 are both located inside the protective plate 457 .

[0028] The first bevel gear 458 and the second bevel gear 459 can be protected by the protective plate 457 to prevent the gears from getting stuck and affecting the discharge of debris.

[0029] In some embodiments, a cleaning plate 43 with a notch for cleaning debris is fixedly mounted on the outer surface of the support tube 44 , the grinding wheel body 451 is disposed inside the cleaning plate 43 , and activated carbon chips are installed inside the cleaning plate 43 near the grinding wheel body 451 .

[0030] Among them, the cleaning plate 43 can be used to clean the debris adhered to the outer surface of the grinding wheel body 451 in time, thereby further improving the grinding accuracy of the grinding wheel body 451. At the same time, by providing a cleaning plate 43 with activated carbon chips, harmful gases generated during grinding can be absorbed to reduce secondary environmental pollution.

[0031] In some embodiments, the outer surface of the grinding wheel body 451 is provided with a plurality of unevenly distributed longitudinal discharge ports 455 for absorbing debris from the side of the gear body 3 , and the longitudinal discharge ports 455 are connected to the inner cavity 452 of the grinding wheel body 451 .

[0032] Among them, the longitudinal discharge port 455 is distributed along the axis direction of the gear, and the debris in the tooth side gap is removed by negative pressure adsorption of the air pump 61. The uneven longitudinal discharge port 455 can perform negative pressure adsorption of debris on the grinding wheel body 451 in different areas, thereby achieving more comprehensive cleaning and ensuring grinding accuracy.

[0033] In some embodiments, a suction mechanism 6 with a suction pipe 63 is provided at the top of the equipment base 1, and an air pump 61 is installed at the top of the equipment base 1. One end of the suction pipe 63 is connected and installed at the input end of the air pump 61, and a hose 62 for stretching is connected and installed at the middle section of the suction pipe 63. The free end of the suction pipe 63 is connected and installed inside the support tube 44, and the outer surface of the support tube 44 is provided with a through groove connected to the cavity 452.

[0034] The air pump 61 generates negative pressure through the suction pipe 63, extracts the debris in the cavity 452 through the groove inside the support tube 44, and transports it to the collection tube 64 for collection through the hose 62, so as to avoid the accumulation of debris and the resulting jamming of the grinding wheel body 451.

[0035] In some embodiments, one end of the suction pipe 63 is connected to a collection tube 64 for collecting debris, and a plurality of filter screens 66 for filtering gas are installed on the inner wall of the suction pipe 63 near the collection tube 64. An electrostatic adsorption plate 65 for adsorbing debris is fixedly installed inside the collection tube 64.

[0036] When the suction force of the air intake pipe 63 acts, the collecting tube 64 integrates the electrostatic adsorption plate 65 and the filter screen 66 to separate the debris from the gas; the electrostatic adsorption plate 65 adsorbs the charged metal particles through the electric field.

[0037] In some embodiments, a round rod 2 is fixedly installed on the top of the device base 1, and a gear body 3 is sleeved on the round rod 2. A limiting mechanism 7 with an electric push rod 72 is provided on the top of the device base 1. A limiting frame 71 is fixedly installed on the top of the device base 1, and the electric push rod 72 is fixedly installed on one end of the limiting frame 71 close to the gear body 3.

[0038] When the gear body 3 is inserted on the round rod 2 , the gear body 3 can be pressurized and limited by starting the electric push rod 72 , so that the gear body 3 can be stabilized in one position, thereby increasing the grinding effect of the grinding wheel body 451 .

[0039] In some embodiments, a connecting rod 73 slides through the top of the round rod 2, and a fixing rod 74 is fixedly installed at one end of the connecting rod 73 located inside the round rod 2. A plurality of top rods 75 for stabilizing the gear body 3 are rotatably installed on the outer surface of the fixing rod 74, and one end of the top rod 75 is inserted into the support gap 76 inside the gear body 3.

[0040] Among them, when the gear body 3 is pressurized by the electric push rod 72, the electric push rod 72 will drive the connecting rod 73 to move, the connecting rod 73 drives the fixed rod 74 to move, and the fixed rod 74 drives the push rod 75 to rotate on one side of the round rod 2. At this time, the round rod 2 drives the push rod 75 to insert into the support gap 76 of the gear body 3, and cooperates with the electric push rod 72 to form an adaptive and stable structure, and can automatically adjust the clamping force according to the size of the gear body 3, eliminate vibration deviation during the grinding process, ensure uniform grinding depth of the tooth groove, and significantly improve the meshing accuracy and surface finish of the gear body 3.

[0041] In some embodiments, a moving mechanism 5 with multi-angle displacement is disposed on the top of the device base 1 , and the motor 41 is fixedly installed on the moving end of the moving mechanism 5 .

[0042] Among them, by providing a multi-angle moving mechanism 5, the grinding wheel body 451 can more accurately grind the multi-faceted grooves of the gear body 3, making the grinding more comprehensive and facilitating the replacement of the gear body 3.

[0043] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements or modifications made based on the present invention to solve basically the same technical problems and achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A gear grinding machine for gear production, comprising a device base (1), characterized in that: A grinding mechanism (4) with a grinding wheel assembly (45) is arranged at the top of the device base (1); a motor (41) is installed at the top of the device base (1); the grinding wheel assembly (45) is installed on the output shaft of the motor (41); a support rod (42) is fixedly installed at the top of the device base (1); a support cylinder (44) for supporting the rotation of the grinding wheel body (451) is fixedly installed at the free end of the support rod (42); and the grinding wheel assembly (45) rotates on the outer surface of the support cylinder (44); The grinding wheel assembly (45) comprises a grinding wheel body (451) rotatably mounted on the outer surface of a support tube (44); a cavity (452) for temporarily storing grinding debris is provided inside the grinding wheel body (451); a lateral discharge port (453) for discharging debris is provided on the grinding surface of the grinding wheel body (451); a feed wheel (454) for preventing debris from clogging is rotatably mounted inside the lateral discharge port (453); a first bevel gear (458) is fixedly mounted on one end of the feed wheel (454); a second bevel gear (459) is fixedly mounted on the outer surface of the support tube (44); the first bevel gear (458) meshes with the second bevel gear (459).

2. A gear grinding machine for gear production according to claim 1, characterized in that: A discharge pipe (456) is fixedly mounted on the inner wall of the grinding wheel body (451) near the transverse discharge port (453), and a feed wheel (454) is rotatably mounted inside the discharge pipe (456), wherein the feed wheel (454) is composed of spiral blades.

3. A gear grinding machine for gear production according to claim 1, characterized in that: A protective plate (457) is fixedly installed inside the grinding wheel body (451) to prevent debris from interfering with the operation of the gears, and the first bevel gear (458) and the second bevel gear (459) are both located inside the protective plate (457).

4. A gear grinding machine for gear production according to claim 1, characterized in that: A cleaning plate (43) with a notch for cleaning debris is fixedly mounted on the outer surface of the support cylinder (44); the grinding wheel body (451) is arranged inside the cleaning plate (43); and activated carbon chips are mounted inside the cleaning plate (43) close to the grinding wheel body (451).

5. The gear grinding machine for gear production according to claim 1, characterized in that: The outer surface of the grinding wheel body (451) is provided with a plurality of unevenly distributed longitudinal discharge openings (455) for absorbing debris from the side of the gear body (3), and the longitudinal discharge openings (455) are communicated with the internal cavity (452) of the grinding wheel body (451).

6. A gear grinding machine for gear production according to claim 1, characterized in that: The top of the device base (1) is provided with an adsorption mechanism (6) with an air suction pipe (63), the top of the device base (1) is installed with an air pump (61), one end of the air suction pipe (63) is connected and installed at the input end of the air pump (61), and the middle section of the air suction pipe (63) is connected and installed with a hose (62) for stretching, the free end of the air suction pipe (63) is connected and installed inside the support tube (44), and the outer surface of the support tube (44) is provided with a through groove connected with the cavity (452).

7. A gear grinding machine for gear production according to claim 6, characterized in that: One end of the air intake pipe (63) is connected to a collecting cylinder (64) for collecting debris, a plurality of filter screens (66) for filtering gas are installed near the inner wall of the air intake pipe (63) and the collecting cylinder (64), and an electrostatic adsorption plate (65) for adsorbing debris is fixedly installed inside the collecting cylinder (64).

8. The gear grinding machine for gear production according to claim 1, characterized in that: A round rod (2) is fixedly mounted on the top of the device base (1), a gear body (3) is sleeved on the round rod (2), a limiting mechanism (7) with an electric push rod (72) is arranged on the top of the device base (1), a limiting frame (71) is fixedly mounted on the top of the device base (1), and the electric push rod (72) is fixedly mounted on one end of the limiting frame (71) close to the gear body (3).

9. A gear grinding machine for gear production according to claim 8, characterized in that: A connecting rod (73) is slidably penetrated through the top end of the round rod (2); a fixing rod (74) is fixedly mounted on one end of the connecting rod (73) located inside the round rod (2); a plurality of top rods (75) for stabilizing the gear body (3) are rotatably mounted on the outer surface of the fixing rod (74); one end of the top rod (75) is inserted into a supporting gap (76) inside the gear body (3).

10. The gear grinding machine for gear production according to claim 1, characterized in that: A moving mechanism (5) with multi-angle displacement is provided at the top of the equipment base (1), and the motor (41) is fixedly mounted on the moving end of the moving mechanism (5).

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