Auxiliary device for assembling and disassembling grinding wheel of gear grinding machine

Abstract

The utility model relates to the field of gear grinding machines, and discloses an auxiliary device for assembling and disassembling a grinding wheel of a gear grinding machine, which comprises an assembling and disassembling auxiliary frame, a height adjusting mechanism is arranged on the front side of the assembling and disassembling auxiliary frame, and the height adjusting mechanism comprises two inner frame sliding rails, a sliding arm, a connecting plate, a threaded ring, a fixed support and a motor. Through the arranged height adjusting mechanism, before the grinding wheel body is assembled and disassembled, a motor drives a lead screw to rotate clockwise, and in the clockwise rotation process of the lead screw, a threaded ring in threaded connection with the lead screw and a sliding arm move downwards, so that the height of the assembling and disassembling limiting mechanism is reduced; a user can conveniently install the grinding wheel body needing to be installed in the assembly and disassembly limiting mechanism, after the grinding wheel body is fixed through the assembly and disassembly limiting mechanism, the motor drives the lead screw to rotate anticlockwise, the grinding wheel body is made to ascend to the grinding wheel installation position of the gear grinding machine, and therefore the assembly and disassembly requirements of grinding wheels of gear grinding machines at different height positions can be met.

Description

Technical Field

[0001] The utility model relates to the field of gear grinding machines, in particular to an auxiliary device for loading and unloading grinding wheels of gear grinding machines. Background Art

[0002] Gear grinding machine is an important equipment used for finishing gears in the machining industry. Its main function is to grind gears through a rotating grinding wheel to achieve the required tooth shape, tooth pitch and tooth surface quality. The grinding wheel is the key grinding tool in the gear grinding machine. The convenience and correctness of its installation and disassembly directly affect the quality and efficiency of gear grinding.

[0003] According to Chinese Patent Publication No. CN215880186U, an auxiliary device for loading and unloading grinding wheels for gear grinding machines and a gear grinding machine are disclosed, belonging to the field of gear grinding machine accessories. With the help of a hydraulic lifter labor-saving device and a U-shaped bracket, the use of the utility model device improves the removal of the gear grinding wheel from a two-person operation to a one-person operation, that is, a single operator can independently complete the smooth installation and removal of the gear grinding wheel. This avoids the risk of the grinding wheel falling during the installation and removal of flange bolts, improves safety, and avoids the risk of accidents such as damage to the grinding wheel tooth surface, machine tool components, or the operator due to unstable handholding during installation and removal. The operator's labor intensity is reduced. After using the utility model device, the time for loading and unloading the grinding wheel is greatly shortened, reducing the time for production changeover. The utility model device has been verified and applied in production sites with good results. However, the auxiliary device still has shortcomings. The grinding wheel loading and unloading auxiliary device is only applicable to gear grinding machines of a specific height. For gear grinding machines of different heights, cumbersome adjustments and even device replacement are required, which greatly reduces the efficiency and flexibility of the equipment. Utility Model Content

[0004] In response to the deficiencies of the existing technology, the utility model provides an auxiliary device for loading and unloading the grinding wheel of a gear grinding machine, which solves the problem that for gear grinding machines of different heights, cumbersome adjustments or even device replacement are required, which greatly reduces the efficiency and flexibility of the equipment.

[0005] To achieve the above object, the utility model is realized through the following technical solutions: an auxiliary device for loading and unloading a grinding wheel of a gear grinding machine, comprising a loading and unloading auxiliary frame, a height adjustment mechanism being provided on the front side of the loading and unloading auxiliary frame, the height adjustment mechanism comprising an inner frame slide rail, a sliding arm, a connecting plate, a threaded ring, a fixing bracket and a motor, the number of the inner frame slide rails is set to two, and the two inner frame slide rails are fixedly connected to the left and right ends of the front side of the loading and unloading auxiliary frame respectively, a sliding arm is slidably connected between the two inner frame slide rails, a connecting plate is fixedly connected in the middle of the lower surface of the sliding arm, a threaded ring is fixedly connected in the middle of the connecting plate, a lead screw is longitudinally provided through the middle of the threaded ring, and the lead screw is threadedly connected to the threaded ring, the lower end of the lead screw is rotatably connected to the lower surface of the loading and unloading auxiliary frame, the upper end of the lead screw is provided with a motor, and the output section of the motor is transmission connected to the lead screw;

[0006] A loading and unloading limit mechanism is provided on the outer side of the sliding arm, and the loading and unloading limit mechanism includes an electric guide rail, an extension arm, a limit arm, a clamping arm, a limit arm and a connecting tube. The electric guide rail is fixedly connected to the outer side of the sliding arm, and the extension arm is slidably connected to the outer side of the electric guide rail. The front end of the extension arm is fixedly connected to the fixed arm, the rear side of the fixed arm is fixedly connected to the limit guide rail, and the outer side of the limit guide rail is slidably connected to the limit arm.

[0007] Preferably, a clamping arm is fixedly connected to the outside of the fixed arm, a small hydraulic rod is provided at the upper end of the clamping arm, the fixed end of the small hydraulic rod is fixedly connected to the clamping arm, and the free end of the small hydraulic rod is fixedly connected to the limiting arm.

[0008] Preferably, the inner sides of the clamping arm and the limiting arm are fixedly connected with a connecting cylinder.

[0009] Preferably, a grinding wheel body is provided between the two connecting cylinders.

[0010] Preferably, the motor is fixedly connected to the upper surface of the fixing bracket, and the fixing bracket is fixedly connected to the loading and unloading auxiliary frame.

[0011] Preferably, electric drive wheels are provided at both left and right ends of the front side of the lower surface of the loading and unloading auxiliary frame, and auxiliary wheels are provided at both left and right ends of the rear side of the lower surface of the loading and unloading auxiliary frame.

[0012] Beneficial effects

[0013] The utility model provides an auxiliary device for loading and unloading the grinding wheel of a gear grinding machine. Compared with the existing technology, it has the following beneficial effects:

[0014] 1. In the present invention, by providing a height adjustment mechanism, before the grinding wheel body is loaded and unloaded, the motor drives the lead screw to rotate clockwise. During the clockwise rotation of the lead screw, the threaded ring threadedly connected thereto moves downward together with the sliding arm, thereby lowering the height of the loading and unloading limit mechanism, making it easier for the user to install the grinding wheel body to be installed in the loading and unloading limit mechanism. After the grinding wheel body is fixed by the loading and unloading limit mechanism, the motor drives the lead screw to rotate counterclockwise to raise the grinding wheel body to the grinding wheel installation position of the gear grinding machine, thereby being suitable for the loading and unloading requirements of the grinding wheels of the gear grinding machines at different heights.

[0015] 2. In the present invention, a loading and unloading limit mechanism is provided, and the loading and unloading limit mechanism is lowered to the lowest position through the height adjustment mechanism. The user places the grinding wheel body to be installed on the position of the loading and unloading auxiliary frame, so that the shafts on both sides of the grinding wheel body are in the middle position of the two connecting cylinders. The clamping arm is then driven inward by a small hydraulic rod to make the two connecting cylinders pass through the shaft position of the grinding wheel body. After that, the height adjustment mechanism raises the loading and unloading limit mechanism to the grinding wheel installation position of the gear grinder, thereby facilitating the user to install the grinding wheel body in the gear grinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the right side structure of an auxiliary device for loading and unloading the grinding wheel of a gear grinding machine proposed by the present invention;

[0017] Figure 2 This is a schematic diagram of the rear structure of an auxiliary device for loading and unloading the grinding wheel of a gear grinding machine proposed by the present invention;

[0018] Figure 3 This is a front structural schematic diagram of an auxiliary device for loading and unloading a grinding wheel of a gear grinding machine proposed in the present invention;

[0019] Figure 4 The utility model is a structural schematic diagram of a part of the loading and unloading limiting mechanism of the auxiliary device for loading and unloading the grinding wheel of a gear grinding machine.

[0020] Legend:

[0021] 1. Loading and unloading auxiliary frame; 2. Height adjustment mechanism; 201. Inner frame slide rail; 202. Sliding arm; 203. Connecting plate; 204. Threaded ring; 205. Fixed bracket; 206. Motor; 207. Screw; 3. Loading and unloading limit mechanism; 301. Electric guide rail; 302. Extension arm; 303. Fixed arm; 304. Small hydraulic rod; 305. Clamping arm; 306. Limiting arm; 307. Limiting guide rail; 308. Connecting cylinder; 4. Grinding wheel body; 5. Electric drive wheel; 6. Auxiliary wheel. DETAILED DESCRIPTION

[0022] 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 embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0023] See also Figures 1-4 , the utility model provides two technical solutions, specifically including the following embodiments:

[0024] Example 1:

[0025] An auxiliary device for loading and unloading a grinding wheel of a gear grinding machine includes an auxiliary loading and unloading frame 1. A height adjustment mechanism 2 is provided on the front side of the auxiliary loading and unloading frame 1. The height adjustment mechanism 2 includes an inner frame slide rail 201, a sliding arm 202, a connecting plate 203, a threaded ring 204, a fixed bracket 205 and a motor 206. The number of inner frame slide rails 201 is set to two, and the two inner frame slide rails 201 are respectively fixedly connected to the left and right ends of the front side of the auxiliary loading and unloading frame 1. A sliding arm 202 is slidably connected between the two inner frame slide rails 201. A connecting plate 203 is fixedly connected to the middle of the lower surface of the sliding arm 202. A threaded ring 204 is fixedly connected in the middle of the connecting plate 203, and a lead screw 207 is provided longitudinally through the middle of the threaded ring 204, and the lead screw 207 is threadedly connected to the threaded ring 204. The lower end of the lead screw 207 is rotatably connected to the lower surface of the loading and unloading auxiliary frame 1, and a motor 206 is provided at the upper end of the lead screw 207. After the lead screw 207 rotates, the threaded ring 204 threadedly connected on its outer side moves in a vertical direction, and the output section of the motor 206 is transmission-connected to the lead screw 207. The motor 206 is fixedly connected to the upper surface of the fixed bracket 205, and the fixed bracket 205 is fixedly connected to the loading and unloading auxiliary frame 1.

[0026] During operation, before the grinding wheel body 4 is loaded and unloaded, the motor 206 drives the screw 207 to rotate clockwise. During the clockwise rotation of the screw 207, the threaded ring 204 threadedly connected to it moves downward together with the sliding arm 202, thereby lowering the height of the loading and unloading limit mechanism 3, making it convenient for the user to install the grinding wheel body 4 to be installed in the loading and unloading limit mechanism 3. After the grinding wheel body 4 is fixed by the loading and unloading limit mechanism 3, the motor 206 drives the screw 207 to rotate counterclockwise, so that the grinding wheel body 4 rises to the grinding wheel installation position of the gear grinder, thereby being suitable for the grinding wheel loading and unloading needs of gear grinders in different positions.

[0027] Example 2:

[0028] On the basis of embodiment 1, a loading and unloading limit mechanism 3 is provided on the outside of the sliding arm 202, and the loading and unloading limit mechanism 3 includes an electric guide rail 301, an extension arm 302, a limit arm 306, a clamping arm 305, a limit arm 306 and a connecting tube 308. The electric guide rail 301 is fixedly connected to the outside of the sliding arm 202, and the extension arm 302 is slidably connected to the outside of the electric guide rail 301. The front end of the extension arm 302 is fixedly connected to the fixed arm 303, and the rear side of the fixed arm 303 is fixedly connected to the limit guide rail 307. The outside of the limit guide rail 307 is slidably connected to the limit arm 306, and the outside of the fixed arm 303 is fixedly connected to the clamping arm 305. A small hydraulic rod 304 is provided on the upper end of the clamping arm 305. The fixed end of the small hydraulic rod 304 is fixedly connected to the clamping arm 305, and the free end of the small hydraulic rod 304 is fixedly connected to the limit arm 306. The inner sides of the clamping arm 305 and the limiting arm 306 are fixedly connected with a connecting tube 308, and a grinding wheel body 4 is arranged in the middle of the two connecting tubes 308. Electric drive wheels 5 are arranged at the left and right ends of the front side of the lower surface of the loading and unloading auxiliary frame 1, and auxiliary wheels 6 are arranged at the left and right ends of the rear side of the lower surface of the loading and unloading auxiliary frame 1. The loading and unloading limiting mechanism 3 is lowered to the lowest position through the height adjustment mechanism 2. The user places the grinding wheel body 4 to be installed on the position of the loading and unloading auxiliary frame 1 so that the shafts on both sides of the grinding wheel body 4 are in the middle position of the two connecting tubes 308, and then the small hydraulic rod 304 drives the clamping arm 305 to retract inward so that the two connecting tubes 308 pass through the shaft position of the grinding wheel body 4. After that, the height adjustment mechanism 2 raises the loading and unloading limiting mechanism 3 to the grinding wheel installation position of the gear grinder, thereby facilitating the user to install the grinding wheel body 4 in the gear grinder.

[0029] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements and improvements made within the spirit and principles of the application should be included in the scope of protection of the present application.

Claims

1. An auxiliary device for loading and unloading a grinding wheel of a gear grinding machine, comprising a loading and unloading auxiliary frame (1), characterized in that: A height adjustment mechanism (2) is provided on the front side of the loading and unloading auxiliary frame (1), and the height adjustment mechanism (2) comprises an inner frame slide rail (201), a sliding arm (202), a connecting plate (203), a threaded ring (204), a fixing bracket (205) and a motor (206). The number of the inner frame slide rails (201) is set to two, and the two inner frame slide rails (201) are respectively fixedly connected to the left and right ends of the front side of the loading and unloading auxiliary frame (1). A sliding arm (202) is slidably connected between the two inner frame slide rails (201). A connecting plate (203) is fixedly connected to the middle of the lower surface of the sliding arm (202), a threaded ring (204) is fixedly connected to the middle of the connecting plate (203), a lead screw (207) is longitudinally provided through the middle of the threaded ring (204), and the lead screw (207) is threadedly connected to the threaded ring (204), the lower end of the lead screw (207) is rotatably connected to the lower surface of the loading and unloading auxiliary frame (1), the upper end of the lead screw (207) is provided with a motor (206), and the output section of the motor (206) is transmission-connected to the lead screw (207); A loading and unloading limiting mechanism (3) is provided on the outside of the sliding arm (202), and the loading and unloading limiting mechanism (3) comprises an electric guide rail (301), an extension arm (302), a limiting arm (306), a clamping arm (305), a limiting arm (306) and a connecting tube (308). The electric guide rail (301) is fixedly connected to the outside of the sliding arm (202), the extension arm (302) is slidably connected to the outside of the electric guide rail (301), the front end of the extension arm (302) is fixedly connected to the fixed arm (303), the rear side of the fixed arm (303) is fixedly connected to the limiting guide rail (307), and the outside of the limiting guide rail (307) is slidably connected to the limiting arm (306).

2. The auxiliary device for loading and unloading the grinding wheel of a gear grinding machine according to claim 1, characterized in that: The outer side of the fixed arm (303) is fixedly connected to a clamping arm (305); the upper end of the clamping arm (305) is provided with a small hydraulic rod (304); the fixed end of the small hydraulic rod (304) is fixedly connected to the clamping arm (305); and the free end of the small hydraulic rod (304) is fixedly connected to the limiting arm (306).

3. The auxiliary device for loading and unloading the grinding wheel of a gear grinding machine according to claim 2, characterized in that: The inner sides of the clamping arm (305) and the limiting arm (306) are both fixedly connected with a connecting tube (308).

4. The auxiliary device for loading and unloading the grinding wheel of a gear grinding machine according to claim 3, characterized in that: A grinding wheel body (4) is arranged between the two connecting cylinders (308).

5. The auxiliary device for loading and unloading the grinding wheel of a gear grinding machine according to claim 1, characterized in that: The motor (206) is fixedly connected to the upper surface of the fixed bracket (205), and the fixed bracket (205) is fixedly connected to the loading and unloading auxiliary frame (1).

6. The auxiliary device for loading and unloading the grinding wheel of a gear grinding machine according to claim 1, characterized in that: Electric drive wheels (5) are provided at both left and right ends of the front side of the lower surface of the loading and unloading auxiliary frame (1), and auxiliary wheels (6) are provided at both left and right ends of the rear side of the lower surface of the loading and unloading auxiliary frame (1).

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