Hole opening device for gear lightening hole machining

Abstract

The utility model relates to the technical field of gear trepanning, and discloses a trepanning device for gear lightening hole machining, which comprises an operation table, support legs are fixedly mounted at four corners of the bottom end of the operation table, a clamping mechanism, a trepanning box and an adjusting mechanism are sequentially arranged at the top of the operation table from left to right, and the trepanning box is slidably connected to the top surface of the operation table. A second motor is fixedly mounted in the trepanning box, a drilling part is fixedly mounted at the output end of the second motor, and a cold water cavity is formed in the bottom of the trepanning box; according to the technical scheme, the gear is fixed through the clamping mechanism, the drilling piece in the drilling box is driven by the second motor to conduct drilling on the gear, meanwhile, the cooling mechanism pumps cooling water in the cold water cavity through the water pump and conveys the cooling water to the spray head through the F-shaped water pipe, the spray head atomizes and sprays out the cooling water, and the cooling water is sprayed out. And deformation of the drilling piece caused by overheating in the gear machining process is prevented, damage to the drilling piece caused by high temperature is avoided, and the service life of the drilling piece is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of gear hole opening, in particular to a hole opening device for machining weight-reducing holes of gears. Background Technique

[0002] In the gear manufacturing industry, the machining of weight-reducing holes is a key step to improve gear performance, reduce weight and optimize material utilization rate.

[0003] In the patent document with the published publication number of CN220554903U, a hole opening device for machining automotive transmission gears is disclosed, which solves the problem that the existing hole opening device has a poor positioning effect on gears and is prone to cause gear sliding displacement during the hole opening process. It includes a workbench, and four support columns are fixedly installed at the bottom of the workbench, and the four support columns are distributed at the four corners of the bottom of the workbench. A first mounting block is fixedly installed on one side of the top of the workbench, and a second mounting block is fixedly installed on the other side of the top of the workbench. Two cylinders are fixedly installed on one side of the second mounting block, and a third mounting block is fixedly installed between the transmission ends of the two cylinders. An equipment installation groove is opened in the upper part of one side of the third mounting block, and a drilling machine is fixedly installed on one side inside the equipment installation groove; this hole opening device has a very good positioning effect on gears and can avoid gear displacement and sliding during the hole opening process, improving the accuracy of hole opening.

[0004] In the above device, during the processing, the drill bit rotates at a high speed continuously for drilling, and the heat generated by friction easily causes the drill bit to wear and the gear material to deform, thereby affecting the product quality and processing efficiency. Therefore, this application provides a hole opening device for machining weight-reducing holes of gears. Content of the Utility Model

[0005] The purpose of the utility model is to provide a hole opening device for machining weight-reducing holes of gears, which solves the problems put forward in the background technique.

[0006] An opening device for machining gear weight-reducing holes provided by an embodiment of the present application includes an operating table. Legs are fixedly installed at the four corners of the bottom end of the operating table. A clamping mechanism, an opening box, and an adjusting mechanism are sequentially arranged on the top of the operating table from left to right. The opening box is slidably connected to the top surface of the operating table. A second motor is fixedly installed inside the opening box. A drilling member is fixedly installed at the output end of the second motor. A cold water chamber is arranged at the bottom of the opening box. A cooling mechanism is arranged inside the cold water chamber. The cooling mechanism includes a water pump. The water pump is fixedly installed at the cold water chamber. A C-shaped groove is opened above the cold water chamber inside the opening box. Two groups of positioning plates are fixedly installed at the C-shaped groove inside the opening box. And the second motor is located between the two groups of positioning plates. An F-shaped water pipe is fixedly installed inside the opening box. The bottom of the F-shaped water pipe is installed at the water outlet end of the water pump. Two groups of fixed clamps are fixedly installed on one side of the positioning plate. A spray head is fixedly installed between the two groups of fixed clamps. The two water outlet ends of the F-shaped water pipe respectively penetrate through the inside of the two groups of positioning plates and are fixedly installed at the water inlet end of the spray head.

[0007] By adopting the above technical solution, the gear is fixed by the clamping mechanism. The drilling member in the opening box drills the gear under the drive of the second motor. At the same time, the cooling mechanism extracts the cooling water in the cold water chamber through the water pump, transports it to the spray head through the F-shaped water pipe, and the spray head atomizes and sprays the cooling water to prevent the drilling member from deforming due to overheating during the gear machining process and avoid damage to the drilling member caused by high temperature, which is beneficial to extending the service life of the drilling member.

[0008] Optionally, the clamping mechanism includes a fixed box. The fixed box is fixedly installed on the top surface of the operating table. A first motor is fixedly installed on one side of the fixed box. A rotating shaft is fixedly installed at the output end of the first motor. A fixed plate is fixedly installed on the side of the fixed box away from the first motor. The rotating shaft penetrates through the fixed plate and is fixedly installed with a turntable. Several groups of transmission rods are hinged on one side of the turntable. The end of the transmission rod away from the turntable is hinged and connected with a moving rod. A limiting block is fixedly installed at one end of the moving rod. Sliders are fixedly installed on the back of several groups of moving rods. Several groups of chutes matching the sliders are opened on one side of the fixed plate. A fixed groove is opened on one side of the turntable.

[0009] By adopting the above technical solution, the clamping mechanism drives the rotating shaft to rotate through the first motor, drives the turntable to rotate, the turntable drives the transmission rod to move, so that the moving rod drives the slider to slide in the chute, and drives several groups of limiting blocks to approach each other to clamp and fix the gear.

[0010] Optionally, a water filling pipe is fixedly installed on one side of the perforated box, and one end of the water filling pipe penetrates through the side wall of the perforated box and is located in the cold water cavity. A filter screen is fixedly installed inside the water filling pipe.

[0011] By adopting the above technical solution, the water filling pipe is used to supplement cooling water into the cold water cavity, and the filter screen filters impurities in the water entering the cold water cavity, which is beneficial to reducing the phenomenon of blockage of the nozzle caused by impurities.

[0012] Optionally, a protective pad is fixedly installed on one side of each group of the limiting blocks.

[0013] By adopting the above technical solution, the protective pad contacts the surface of the gear, avoiding the direct contact between the limiting block and the surface of the gear and causing scratches, which is beneficial to buffering and protecting the gear.

[0014] Optionally, a liquid level sensor is fixedly installed on the inner wall of the perforated box at the cold water cavity, an alarm is fixedly installed on one side of the operating table, and the liquid level sensor is electrically connected to the alarm.

[0015] By adopting the above technical solution, the liquid level sensor monitors the water level in the cold water cavity in real time. When the water level is lower than the set value, the alarm is triggered by an electric signal to alarm, which is beneficial to reminding the operator to supplement cooling water in time.

[0016] Optionally, the adjusting mechanism includes a fixed frame, the fixed frame is fixedly installed on the top surface of the operating table, a hydraulic rod is fixedly installed on one side of the fixed frame close to the perforated box, and the telescopic end of the hydraulic rod is installed on the side wall of the perforated box.

[0017] By adopting the above technical solution, through the telescopic movement of the hydraulic rod, the perforated box is pushed towards the clamping mechanism, so that the drilling part perforates the gear, and the stability of the perforated box during the movement is ensured by the perforated box.

[0018] Optionally, a guide rod is fixedly installed inside the operating table, a guide block is slidably connected to the outer surface of the guide rod, a connecting shaft is fixedly installed at the bottom of the perforated box, a guide groove is opened at the top of the operating table, and the connecting shaft penetrates through the guide groove and is fixedly installed at the top end of the guide block.

[0019] By adopting the above technical solution, when the perforated box moves, the guide block is driven by the connecting shaft to slide on the surface of the guide rod, thereby improving the guiding property of the perforated box during movement.

[0020] Compared with the prior art, the beneficial effects of the technical solution of the present application are as follows:

[0021] 1. The gear is fixed by the clamping mechanism. The drilling component in the opening box drills holes in the gear driven by the second motor. At the same time, the cooling mechanism extracts the cooling water in the cold water cavity through the water pump, transports it to the nozzle through the F-shaped water pipe, and the nozzle atomizes and sprays the cooling water to prevent the drilling component from deforming due to overheating during the gear processing, avoid damage to the drilling component caused by high temperature, and is beneficial to extending the service life of the drilling component.

[0022] 2. The clamping mechanism drives the rotating shaft to rotate through the first motor, drives the turntable to rotate, the turntable drives the transmission rod to move, so that the moving rod drives the slider to slide in the chute, and drives several groups of limiting blocks to approach each other to clamp and fix the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present utility model will become more apparent by reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings:

[0024] Figure 1 It is a schematic cross-sectional structure diagram of the present utility model;

[0025] Figure 2 It is a schematic internal structure diagram of the opening box;

[0026] Figure 3 It is a schematic structure diagram of the clamping machine;

[0027] Figure 4 For Figure 3 The enlarged schematic diagram of the structure at A in

[0028] In the figure: 1, operating table; 2, leg; 3, clamping mechanism; 301, fixed box; 302, first motor; 303, rotating shaft; 304, fixed plate; 305, turntable; 306, transmission rod; 307, moving rod; 308, limiting block; 309, chute; 310, slider; 311, fixed groove; 4, opening box; 5, adjusting mechanism; 501, fixed frame; 502, hydraulic rod; 6, second motor; 7, drilling component; 8, cold water cavity; 9, cooling mechanism; 901, water pump; 902, F-shaped water pipe; 903, nozzle; 10, C-shaped groove; 11, positioning plate; 12, fixed clamp; 13, water filling pipe; 14, protection pad; 15, liquid level sensor; 16, alarm; 17, coupling shaft; 18, guiding groove; 19, guiding rod; 20, guiding block. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Please refer to Figures 1-3, the present utility model provides a technical solution: including an operating table 1, legs 2 are fixedly installed at the four corners of the bottom end of the operating table 1, a clamping mechanism 3, a hole-opening box 4, and an adjusting mechanism 5 are sequentially arranged on the top of the operating table 1 from left to right. The hole-opening box 4 is slidably connected to the top surface of the operating table 1. A second motor 6 is fixedly installed inside the hole-opening box 4, a drilling member 7 is fixedly installed at the output end of the second motor 6, a cold water cavity 8 is arranged at the bottom of the hole-opening box 4, and a cooling mechanism 9 is arranged inside the cold water cavity 8. The cooling mechanism 9 includes a water pump 901, the water pump 901 is fixedly installed at the cold water cavity 8, a C-shaped groove 10 is opened above the cold water cavity 8 inside the hole-opening box 4, two groups of positioning plates 11 are fixedly installed at the C-shaped groove 10 inside the hole-opening box 4, and the second motor 6 is located between the two groups of positioning plates 11. An F-shaped water pipe 902 is fixedly installed inside the hole-opening box 4, the bottom of the F-shaped water pipe 902 is installed at the water outlet end of the water pump 901, two groups of fixing clips 12 are fixedly installed on one side of the positioning plate 11, a spray head 903 is fixedly installed between the two groups of fixing clips 12, and the two water outlet ends of the F-shaped water pipe 902 respectively pass through the inside of the two groups of positioning plates 11 and are fixedly installed at the water inlet end of the spray head 903;

[0030] In this technical solution, the gear is fixed by the clamping mechanism 3, the drilling member 7 inside the hole-opening box 4 drills a hole in the gear under the drive of the second motor 6. At the same time, the cooling mechanism 9 extracts the cooling water in the cold water cavity 8 through the water pump 901, transports it to the spray head 903 through the F-shaped water pipe 902, and the spray head 903 atomizes and sprays the cooling water to prevent the drilling member 7 from deforming due to overheating during the gear processing, avoid damage to the drilling member 7 caused by high temperature, and is beneficial to extending the service life of the drilling member 7.

[0031] In some technical solutions, such as Figure 3 shown, the clamping mechanism 3 includes a fixed box 301, the fixed box 301 is fixedly installed on the top surface of the operating table 1, a first motor 302 is fixedly installed on one side of the fixed box 301, a rotating shaft 303 is fixedly installed at the output end of the first motor 302, a fixing plate 304 is fixedly installed on the side of the fixed box 301 away from the first motor 302, the rotating shaft 303 passes through the fixing plate 304 and is fixedly installed with a turntable 305, several groups of transmission rods 306 are hinged on one side of the turntable 305, one end of the transmission rod 306 away from the turntable 305 is hinged to a moving rod 307, a limiting block 308 is fixedly installed at one end of the moving rod 307, several groups of sliders 310 are fixedly installed on the back of the moving rods 307, and several groups of chutes 309 matching the sliders 310 are opened on one side of the fixing plate 304. A fixing groove 311 is opened on one side of the turntable 305.

[0032] During use, the clamping mechanism 3 drives the rotating shaft 303 to rotate through the first motor 302, driving the turntable 305 to rotate. The turntable 305 drives the transmission rod 306 to move, causing the moving rod 307 to drive the slider 310 to slide in the chute 309, driving several groups of limit blocks 308 to approach each other to clamp and fix the gear.

[0033] In some technical solutions, such as Figures 1-2 As shown, a water supply pipe 13 is fixedly installed on one side of the perforated box 4, and one end of the water supply pipe 13 passes through the side wall of the perforated box 4 and is located in the cold water chamber 8. A filter screen is fixedly installed inside the water supply pipe 13.

[0034] During use, the water supply pipe 13 is used to supplement cooling water into the cold water chamber 8, and the filter screen filters impurities in the water entering the cold water chamber, which is beneficial to reducing the phenomenon of blockage of the nozzle 903 caused by impurities.

[0035] In some technical solutions, such as Figure 4 As shown, a protective pad 14 is fixedly installed on one side of several groups of limit blocks 308.

[0036] During use, the protective pad 14 contacts the surface of the gear, avoiding direct contact between the limit block 308 and the surface of the gear and causing scratches, which is beneficial to buffering and protecting the gear.

[0037] In some technical solutions, such as Figures 1-3 As shown, a liquid level sensor 15 is fixedly installed on the inner wall of the perforated box 4 at the cold water chamber 8, and an alarm 16 is fixedly installed on one side of the operation table 1. The liquid level sensor 15 is electrically connected to the alarm 16.

[0038] During use, the liquid level sensor 15 monitors the water level in the cold water chamber 8 in real time. When the water level is lower than the set value, the alarm 16 is triggered to alarm through an electric signal, which is beneficial to reminding the operator to supplement cooling water in time.

[0039] In some technical solutions, such as Figures 1-2 As shown, the adjusting mechanism 5 includes a fixed frame 501. The fixed frame 501 is fixedly installed on the top surface of the operation table 1. A hydraulic rod 502 is fixedly installed on one side of the fixed frame 501 close to the perforated box 4, and the telescopic end of the hydraulic rod 502 is installed on the side wall of the perforated box 4.

[0040] During use, through the telescopic movement of the hydraulic rod 502, the perforated box 4 is pushed towards the clamping mechanism 3, enabling the drilling part 7 to drill holes in the gear, and ensuring the stability of the perforated box 4 during the movement through the perforated box 4.

[0041] In some technical solutions, such as Figure 1As shown in the figure, a guide rod 19 is fixedly installed inside the operating table 1. A guide block 20 is slidably connected to the outer surface of the guide rod 19. A coupling shaft 17 is fixedly installed at the bottom of the opening box 4. A guide groove 18 is opened at the top of the operating table 1. The coupling shaft 17 passes through the guide groove 18 and is fixedly installed at the top end of the guide block 20.

[0042] During use, when the opening box 4 moves, it drives the guide block 20 to slide on the surface of the guide rod 19 through the coupling shaft 17, thereby improving the guiding property of the opening box 4 during movement.

[0043] Working principle: The gear is fixed by the clamping mechanism 3. The drilling member 7 in the opening box 4 drills the gear under the drive of the second motor 6. At the same time, the cooling mechanism 9 extracts the cooling water in the cold water chamber 8 through the water pump 901, and transports it to the spray head 903 through the F-shaped water pipe 902. The spray head 903 atomizes and sprays the cooling water to prevent the drilling member 7 from deforming due to overheating during the gear processing, avoid damage to the drilling member 7 caused by high temperature, and is beneficial to extending the service life of the drilling member 7. The clamping mechanism 3 drives the rotating shaft 303 to rotate through the first motor 302, drives the turntable 305 to rotate, the turntable 305 drives the transmission rod 306 to move, so that the moving rod 307 drives the slider 310 to slide in the sliding groove 309, and drives a plurality of groups of limit blocks 308 to approach each other to clamp and fix the gear. The water supply pipe 13 is used to supplement the cooling water into the cold water chamber 8, and the filter screen filters the impurities in the water entering the cold water chamber, which is beneficial to reducing the phenomenon of blockage of the spray head 903 caused by impurities. The protective pad 14 contacts the surface of the gear to avoid the limit block 308 directly contacting the surface of the gear and causing scratches, which is beneficial to buffering and protecting the gear. The liquid level sensor 15 monitors the water level in the cold water chamber 8 in real time. When the water level is lower than the set value, the alarm 16 is triggered by an electric signal to give an alarm, which is beneficial to reminding the operator to supplement the cooling water in time. The hydraulic rod 502 expands and contracts to push the opening box 4 towards the clamping mechanism 3, so that the drilling member 7 drills the gear. The opening box 4 ensures the stability of the opening box 4 during movement. When the opening box 4 moves, it drives the guide block 20 to slide on the surface of the guide rod 19 through the coupling shaft 17, thereby improving the guiding property of the opening box 4 during movement.

Claims

1. A drilling device for gear weight-reducing hole processing, comprising an operating table (1), characterized in that: The four corners of the bottom end of the operating table (1) are fixedly mounted with supporting legs (2); the top of the operating table (1) is provided with a clamping mechanism (3), a hole opening box (4), and an adjustment mechanism (5) in sequence from left to right; the hole opening box (4) is slidably connected to the top surface of the operating table (1); a second motor (6) is fixedly mounted inside the hole opening box (4); a drilling member (7) is fixedly mounted at the output end of the second motor (6); a cold water chamber (8) is provided at the bottom of the hole opening box (4); a cooling mechanism (9) is provided inside the cold water chamber (8); the cooling mechanism (9) comprises a water pump (901); the water pump (901) is fixedly mounted at the cold water chamber (8); the inside of the hole opening box (4) is located at the bottom of the hole opening box (4); A C-shaped groove (10) is provided above the cold water chamber (8); two groups of positioning plates (11) are fixedly installed inside the perforated box (4) at the C-shaped groove (10), and the second motor (6) is located between the two groups of positioning plates (11); an F-shaped water pipe (902) is fixedly installed inside the perforated box (4); the bottom of the F-shaped water pipe (902) is installed on the water outlet end of the water pump (901); two groups of fixing clamps (12) are fixedly installed on one side of the positioning plate (11); a nozzle (903) is fixedly installed between the two groups of fixing clamps (12); and the two groups of water outlet ends of the F-shaped water pipe (902) are respectively passed through the inside of the two groups of positioning plates (11) and fixedly installed on the water inlet end of the nozzle (903).

2. A drilling device for gear weight-reducing hole processing according to claim 1, characterized in that: The clamping mechanism (3) comprises a fixed box (301), the fixed box (301) is fixedly mounted on the top surface of the operating table (1), a first motor (302) is fixedly mounted on one side of the fixed box (301), a rotating shaft (303) is fixedly mounted on the output end of the first motor (302), a fixed plate (304) is fixedly mounted on the side of the fixed box (301) away from the first motor (302), the rotating shaft (303) passes through the fixed plate (304) and a rotating disk (305) is fixedly mounted thereon, and the rotating disk (305) A plurality of transmission rods (306) are hingedly connected to one side of the rotating disk (305); one end of the transmission rod (306) away from the rotating disk (305) is hingedly connected to a moving rod (307); a limiting block (308) is fixedly installed at one end of the moving rod (307); a sliding block (310) is fixedly installed on the back of the plurality of moving rods (307); a plurality of sliding grooves (309) matching the sliding blocks (310) are opened on one side of the fixing plate (304); and a fixing groove (311) is opened on one side of the rotating disk (305).

3. A drilling device for machining a gear weight-reducing hole according to claim 1, characterized in that: A water supply pipe (13) is fixedly installed on one side of the perforated box (4), and one end of the water supply pipe (13) passes through the side wall of the perforated box (4) and is located in the cold water chamber (8), and a filter screen is fixedly installed inside the water supply pipe (13).

4. A drilling device for gear weight-reducing hole processing according to claim 2, characterized in that: A protection pad (14) is fixedly mounted on one side of each of the groups of limit blocks (308).

5. The drilling device for gear weight-reducing hole processing according to claim 1, characterized in that: A liquid level sensor (15) is fixedly mounted on the inner wall of the perforated box (4) at the cold water chamber (8), and an alarm (16) is fixedly mounted on one side of the operating table (1), and the liquid level sensor (15) is electrically connected to the alarm (16).

6. A drilling device for gear weight-reducing hole processing according to claim 1, characterized in that: The adjustment mechanism (5) comprises a fixing frame (501), wherein the fixing frame (501) is fixedly mounted on the top surface of the operating table (1), and a hydraulic rod (502) is fixedly mounted on a side of the fixing frame (501) close to the perforated box (4), and a telescopic end of the hydraulic rod (502) is mounted on a side wall of the perforated box (4).

7. The drilling device for gear weight-reducing hole processing according to claim 1, characterized in that: A guide rod (19) is fixedly installed inside the operating table (1), and a guide block (20) is slidably connected to the outer surface of the guide rod (19). A connecting shaft (17) is fixedly installed at the bottom of the perforated box (4). A guide groove (18) is opened at the top of the operating table (1), and the connecting shaft (17) passes through the guide groove (18) and is fixedly installed on the top of the guide block (20).

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