Grinding wheel replacing mechanism of formed grinding wheel gear grinding machine

Abstract

The embodiment of the invention provides a grinding wheel replacing mechanism of a formed grinding wheel gear grinding machine, and relates to the technical field of grinding wheel gear grinding machines. A grinding wheel replacing mechanism of a formed grinding wheel gear grinding machine comprises a vertical plate frame, mounting bolt holes are formed in the periphery of the bottom of the vertical plate frame, a dust collection frame is fixedly connected to the top of one side of the vertical plate frame, and a dust removal box is fixedly connected to the bottom of the other side of the vertical plate frame; a lifting assembly used for adjusting the height of the grinding wheel replacing mechanism is arranged in the vertical plate frame, a positioning assembly used for rapidly clamping a grinding wheel is arranged on the outer side of the lifting assembly, and dust collection assemblies used for collecting dust in the machining period are arranged on the two sides of the dust collection frame correspondingly. The lifting assembly comprises a servo motor fixed to the top of the vertical plate frame and a sliding frame sliding on the vertical plate frame. The mode of combining stable lifting, rapid dismounting and mounting and efficient dust collection is adopted, and the grinding wheel replacing mechanism is used for achieving the multi-effect machining effect on the gear.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of gear grinding machines with formed grinding wheels, and particularly relates to a grinding wheel changing mechanism of a gear grinding machine with formed grinding wheels. BACKGROUND

[0002] A gear grinding machine is a machine tool for precisely processing gear tooth surfaces with a grinding wheel, and belongs to the category of gear machining machine tools. The main function of the gear grinding machine is to eliminate heat treatment deformation and improve gear precision through grinding. After processing, the precision can reach the standard, and the gear grinding machine is commonly used for gear parts on automobiles, grinding wheels, etc.

[0003] In the prior art (patent application with the patent name of a grinding wheel changing mechanism of a gear grinding machine with formed grinding wheels and the announcement number of CN210010550U), the structure is simple, the installation is convenient, and the universality is strong. In the process of implementing the technical solution, it is found that at least the following problems exist in the prior art:

[0004] During the processing of gear parts by using the gear grinding machine with formed grinding wheels, the grinding wheel changing mechanism is an important accessory part for gear processing. However, the grinding wheel changing mechanism of the gear grinding machine currently used needs to be manually disassembled and screwed for grinding wheel assembly, which is relatively troublesome and time-consuming. In addition, a large amount of smoke and dust will be generated during the processing of gears by the gear grinding machine with formed grinding wheels, which does not have the function of dust collection and dust removal, pollutes the on-site processing environment, and harms human health. SUMMARY

[0005] The present application aims to at least solve one of the technical problems in the prior art that the grinding wheel changing mechanism cannot be used to realize multi-function processing of gears by combining stable lifting, quick disassembly and efficient dust collection. To this end, the present application proposes a grinding wheel changing mechanism of a gear grinding machine with formed grinding wheels.

[0006] To achieve the above-mentioned purpose, the specific technical solutions of the present application are as follows:

[0007] A grinding wheel changing mechanism of a gear grinding machine with formed grinding wheels, comprising a vertical plate frame, a plurality of mounting bolt holes are formed around the bottom of the vertical plate frame, a dust collection frame is fixedly connected to the top of one side of the vertical plate frame, and a dust removal box is fixedly connected to the bottom of the other side of the vertical plate frame.

[0008] A lifting assembly for adjusting the height of the grinding wheel changing mechanism is arranged in the vertical plate frame, a positioning assembly for quickly clamping the grinding wheel is arranged on the outer side of the lifting assembly, and a dust collection assembly for collecting dust during processing is arranged on both sides of the dust collection frame.

[0009] The lifting assembly comprises a servo motor fixed to the top of the vertical plate frame and a sliding frame sliding on the vertical plate frame, the positioning assembly comprises a lifting cylinder fixed to the top of the sliding frame, and the dust collection assembly comprises a dust collection head fixed to both sides of the sliding frame.

[0010] Preferably, the lifting assembly further comprises an electric push rod fixed on the output shaft of the servo motor, and a clamping head is fixedly connected to the piston rod of the electric push rod; a lead screw is rotatably connected in the chamber of the vertical plate frame; a clamping seat is fixedly connected to the top of the lead screw and is clamped with the clamping head; and a lead screw sleeve is threadedly connected to the lead screw, and both sides of the lead screw sleeve are fixedly connected with the supporting arms fixedly matched with the sliding frame.

[0011] Preferably, the positioning assembly further comprises a double-head bracket fixed on the piston rod of the lifting cylinder, and a push-pull rod is hingedly connected to both sides of the double-head bracket; a clamping seat is hingedly connected to the end of the push-pull rod; a sliding groove is formed in the inner side of the clamping seat; a sliding strip is slidably connected in the sliding groove and is fixedly matched with the sliding frame; a positioning seat is arranged on the inner side of the sliding frame; a grinding wheel driven by a drive motor is clamped on the inner side of the positioning seat; and the outer sides of the grinding wheel and the drive motor are provided with mating heads, and the mating head on the grinding wheel is rotatably connected, and the mating head on the drive motor is fixedly connected.

[0012] Preferably, the dust collection assembly further comprises a main bevel gear sleeved on the electric push rod, and a slave bevel gear is arranged on the outer side of the main bevel gear; a telescopic air cylinder is fixedly connected to the outer side of the slave bevel gear and is rotatably matched with the dust collection frame; a dust collection fan is sleeved on the telescopic air cylinder; a dust collection pipe provided with a negative pressure valve is communicated with both sides of the dust collection frame; a telescopic pipe is communicated with the end of the dust collection pipe and is communicated and matched with the dust collection head; and a dust exhaust main pipe is communicated with the bottom of the dust collection frame.

[0013] Preferably, both sides of the vertical plate frame are provided with limiting vertical grooves slidably matched with the supporting arms, and both sides of the sliding frame are fixedly connected with extension cylinders.

[0014] Preferably, both sides of the sliding groove close to the sliding strip are provided with anti-falling notches, and the sliding strip is provided with an anti-falling groove slidably matched with the notches.

[0015] Preferably, the outer side of the clamping seat is fixedly connected with a buffer spring embeddedly matched with the extension cylinder, and the buffer spring is through-connected with the sliding frame.

[0016] Preferably, a buckle groove is formed in the positioning seat, a buckle head is fixedly connected to the mating head, and the buckle heads are distributed in a triangular equidistant state.

[0017] Preferably, the dust collection fan is designed in a streamlined shape made of light material, and the blades of the dust collection fan are distributed in a circumferential curved shape along the transverse axis of the dust collection frame.

[0018] Preferably, the dust collection head is distributed in an axial symmetric inclined state along the longitudinal axis of the sliding frame, and the dust collection head covers the entire range of the clamping seat clamping the grinding wheel.

[0019] The sand wheel changing mechanism of the shaped grinding wheel gear grinding machine has the following advantages:

[0020] 1、The sand wheel changing mechanism of the formed sand wheel gear grinding machine first controls the clamping stroke between the clamping head and the clamping seat of the electric push rod to be adjusted in place, then controls the servo motor to drive the lead screw through the clamping head and the clamping seat of the clamping-in-place electric push rod to rotate forward or reverse, the lead screw drives the slide of the two supporting arms to stably ascend and descend with the vertical plate frame, and then the height of the sand wheel in the slide is adaptively and accurately adjusted to meet the processing needs of gears at different heights.

[0021] 2、The sand wheel changing mechanism of the formed sand wheel gear grinding machine, secondly, first control the lifting cylinder to drive the double-head hinge frame to ascend and descend, then the double-head hinge frame drives the clamping seat on the two push-pull rods to move inward and outward, while the sliding grooves in the two sets of clamping seats slide on the sliding bars, the two sets of clamping seats also drive the two sets of positioning seats to clamp or release the butt joint of the two ends of the sand wheel, realizing the quick disassembly and assembly of the sand wheel.

[0022] 3、The sand wheel changing mechanism of the formed sand wheel gear grinding machine, then, first control the telescopic cylinder to adjust the meshing stroke between the main bevel gear and the driven bevel gear to be in place, then control the servo motor to drive the dust fan to rotate in the dust suction frame through the meshing-in-place main bevel gear and driven bevel gear and negative pressure, under the action of negative pressure, the negative pressure in the dust suction frame is sequentially adsorbed and collected through the two dust suction pipes, the telescopic pipe and the dust suction head to the smoke generated in the sand wheel processing area, then the dust is discharged by the dust discharge main pipe, realizing the efficient collection effect of the smoke in the processing site, so as to prevent the smoke from diffusing and polluting the processing site, which is beneficial to the health of workers.

[0023] Then, the smoke discharged from the dust discharge main pipe is discharged into the dust removal box through the two dust discharge branch pipes on the three-way valve, then filtered by the filter screen, activated carbon adsorption screen and filter cotton in turn, and finally discharged through the discharge port. Finally, the filter screen, activated carbon adsorption screen and filter cotton on the blocking cover plate are periodically extracted from the dust removal box for cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0025] Figure 1 It is a front view of the initial state of the sand wheel changing mechanism of the formed sand wheel gear grinding machine of the present application.

[0026] Figure 2 It is a rear view of the initial state of the sand wheel changing mechanism of the formed sand wheel gear grinding machine of the present application.

[0027] Figure 3 A front view of a working state of a structure of a sand wheel changing mechanism of a formed grinding wheel gear grinding machine according to the present application;

[0028] Figure 4 A rear view of a sectional view of a structure of a sand wheel changing mechanism of a formed grinding wheel gear grinding machine according to the present application;

[0029] Figure 5 A partial rear view of a structure of a sand wheel changing mechanism of a formed grinding wheel gear grinding machine according to the present application;

[0030] Figure 6 A rear view of an initial state of a structure of a lifting assembly and a positioning assembly according to the present application;

[0031] Figure 7 A rear view of a working state of a structure of a lifting assembly according to the present application;

[0032] Figure 8 A working state view of a structure of a positioning assembly according to the present application;

[0033] Figure 9 An initial state view of a structure of a positioning assembly according to the present application;

[0034] Figure 10 An exploded view of a structure of a positioning assembly according to the present application;

[0035] Figure 11 A rear view of a sectional view of a structure of a dust suction frame, a servo motor and a dust suction assembly according to the present application;

[0036] Figure 12 A bottom view of a sectional view of a structure of a dust suction frame, a servo motor and a dust suction assembly according to the present application;

[0037] Figure 13 A bottom exploded view of a structure of a servo motor and a dust suction assembly according to the present application;

[0038] Figure 14 An exploded sectional view of a structure of a dust removal box and a dust removal assembly according to the present application;

[0039] Figure 15 A partial sectional view of a structure of a dust removal assembly according to the present application.

[0040] Marked description in the figure: 1, vertical plate frame; 2, dust absorption frame; 3, dust removal box; 41, servo motor; 42, electric push rod; 43, chuck; 44, clamping seat; 45, screw rod; 46, screw rod sleeve; 47, support arm; 48, sliding frame; 51, lifting cylinder; 52, double-head hinge frame; 53, push-pull rod; 54, clamping seat; 55, sliding groove; 56, sliding bar; 57, positioning seat; 58, butt joint; 61, main bevel gear; 62, from bevel gear; 63, telescopic cylinder; 64, dust absorption fan; 65, dust absorption pipe; 66, telescopic pipe; 67, dust absorption head; 68, dust removal main pipe; 71, three-way valve; 72, dust removal branch pipe; 73, filter screen; 74, activated carbon adsorption screen; 75, filter cotton; 76, plugging cover plate; 77, discharge port; 8, limiting vertical groove; 9, buffer spring. DETAILED DESCRIPTION

[0041] The application will be specifically introduced below in combination with the drawings and specific embodiments:

[0042] As Figures 1-15 shown, the sand wheel changing mechanism of the shaped grinding wheel gear grinding machine of the application comprises a vertical plate frame 1, mounting bolt holes are formed around the bottom of the vertical plate frame 1, a dust absorption frame 2 is fixedly connected to the top of one side of the vertical plate frame 1, and a dust removal box 3 is fixedly connected to the bottom of the other side of the vertical plate frame 1; a lifting assembly for adjusting the height of the sand wheel changing mechanism is arranged in the vertical plate frame 1, a positioning assembly for quickly clamping the sand wheel is arranged on the outer side of the lifting assembly, and dust absorption assemblies for collecting dust during processing are arranged on both sides of the dust absorption frame 2;

[0043] The lifting assembly comprises a servo motor 41 fixed to the top of the vertical plate frame 1 and a sliding frame 48 sliding on the vertical plate frame 1, the height of the sand wheel in the sliding frame 48 is adaptively and accurately adjusted, the processing requirements of gears at different height positions are met, the positioning assembly comprises a lifting cylinder 51 fixed to the top of the sliding frame 48, the quick disassembly and assembly effect of the sand wheel is realized, the dust absorption assemblies comprise dust absorption heads 67 fixed to both sides of the sliding frame 48, the efficient collection effect of smoke and dust at the processing site is realized, so that the smoke and dust do not diffuse and pollute the processing site, which is beneficial to the health of workers.

[0044] As Figures 6-13As shown, the lifting assembly further comprises an electric push rod 42 fixed on the output shaft of the servo motor 41, and the piston rod of the electric push rod 42 is fixedly connected with a clamp head 43, and a cavity of the vertical plate frame 1 is rotatably connected with a lead screw 45, and the top of the lead screw 45 is fixedly connected with a clamping seat 44 clamped with the clamp head 43, first control the clamping stroke adjustment between the clamp head 43 and the clamping seat 44 of the electric push rod 42 to the right place, and then control the servo motor 41 to drive the lead screw 45 to rotate forward or reverse through the clamp head 43 and the clamping seat 44 clamped on the electric push rod 42, and the lead screw 45 is threadedly connected with a lead screw sleeve 46, and the two sides of the lead screw sleeve 46 are fixedly connected with the supporting arms 47 fixedly matched with the sliding frame 48, and the lead screw 45 drives the sliding frame 48 on the two supporting arms 47 to stably lift the vertical plate frame 1, and then adaptively and accurately adjusts the height of the grinding wheel in the sliding frame 48, and meets the machining requirements of gears at different height positions; the two sides of the vertical plate frame 1 are provided with limiting vertical grooves 8 slidably matched with the supporting arms 47, and the two sides of the sliding frame 48 are fixedly connected with extension cylinders, which play a sliding limiting role between the supporting arms 47 and the vertical plate frame 1, and improve the lifting stability of the supporting arms 47.

[0045] The positioning assembly further comprises a double-head hinge frame 52 fixed on the piston rod of the lifting cylinder 51, the lifting cylinder 51 is first controlled to drive the double-head hinge frame 52 to adjust the lifting, and the two sides of the double-head hinge frame 52 are hingedly connected with push-pull rods 53, the distal ends of the push-pull rods 53 are hingedly connected with clamping seats 54, and then the double-head hinge frame 52 is driven by the lifting action to drive the clamping seats 54 on the two push-pull rods 53 to move inward and outward, and the inner side of the clamping seat 54 is provided with a sliding groove 55, the sliding groove 55 is slidably connected with a sliding strip 56 fixedly matched with the sliding frame 48, and the inner side of the sliding frame 48 is provided with a positioning seat 57, the inner side of the positioning seat 57 is clamped with a grinding wheel driven by a motor, and the outer side of the grinding wheel and the motor is provided with a connector 58, and the connector 58 on the grinding wheel is rotatably connected, and the connector 58 on the motor is fixedly connected, while the sliding grooves 55 in the two clamping seats 54 are slidably limited on the sliding strip 56, the two clamping seats 54 also drive the two positioning seats 57 to clamp or release the connectors 58 at both ends of the grinding wheel, realizing the quick disassembly and assembly of the grinding wheel.

[0046] The two sides of the sliding groove 55 close to the sliding strip 56 are provided with anti-dropping notches, and the sliding strip 56 is provided with anti-dropping grooves slidably matched with the notches, which plays a sliding anti-dropping role between the sliding groove 55 and the sliding strip 56 while supporting the sliding of the clamping seat 54, the outer side of the clamping seat 54 is fixedly connected with a buffer spring 9 embeddedly matched with the extension cylinder, and the buffer spring 9 is connected with the sliding frame 48, playing an elastic buffering role on the clamping seat 54 in the inward and outward states, the positioning seat 57 is provided with a buckle groove, and the connector 58 is fixedly provided with a buckle head clamped with the buckle groove, and adopts a triangular equidistant state distribution, enhancing the close connection between the positioning seat 57 and the connector 58.

[0047] The dust suction assembly further comprises a main bevel gear 61 sleeved on the electric push rod 42, and the outer side of the main bevel gear 61 is provided with a driven bevel gear 62, the outer side of the driven bevel gear 62 is fixedly connected with a telescopic cylinder 63 in rotational cooperation with the dust suction frame 2, and the telescopic cylinder 63 is sleeved with a dust suction fan 64, the engagement stroke between the main bevel gear 61 and the driven bevel gear 62 is first controlled to be adjusted in place, and then the dust suction fan 64 is driven to rotate in the dust suction frame 2 and generate negative pressure by the main bevel gear 61 and the driven bevel gear 62 in engagement, both sides of the dust suction frame 2 are communicated with dust suction pipes 65 provided with negative pressure valves, and the ends of the dust suction pipes 65 are communicated with telescopic pipes 66 in communication cooperation with dust suction heads 67, under the action of the negative pressure, the negative pressure suction force in the dust suction frame 2 is sequentially passed through the two dust suction pipes 65, the telescopic pipes 66 and the dust suction heads 67 to adsorb and collect the smoke and dust generated in the gear grinding area, the bottom of the dust suction frame 2 is communicated with a dust discharge main pipe 68, and the dust discharge main pipe 68 is used for dust discharge, so that the smoke and dust in the processing site is efficiently collected to prevent the smoke and dust from diffusing and polluting the processing site, and the workers' health is protected.

[0048] The dust suction fan 64 is made of light material and has a streamline design, the rotation speed of the dust suction fan 64 is improved, the blades of the dust suction fan 64 are distributed in a circumferential curved shape along the transverse axis of the dust suction frame 2, the rotation effect of the dust suction fan 64 is enhanced, the formation ability of the negative pressure is improved, and the dust suction heads 67 are distributed in an axisymmetric inclined state along the longitudinal axis of the slide frame 48, the dust suction heads 67 cover the full range of the clamping seat 54 clamping the grinding wheel, and the smoke and dust generated in the grinding wheel and gear grinding area is collected in a covering mode.

[0049] As shown in Figures 14-15 During the gear grinding process by the grinding wheel on the grinding wheel changing mechanism, a large amount of smoke and dust is generated, and then adsorbed and collected by the dust suction assembly, but cannot be collected on site, the on-site three-stage filtering measures cannot achieve the effect of collecting and discharging immediately, the dust removal assembly is arranged in the dust removal box 3 in cooperation with the dust suction assembly, and the dust removal assembly comprises a three-way valve 71 communicated at the bottom end of the dust discharge main pipe 68, both ends of the three-way valve 71 are communicated with dust discharge branch pipes 72 penetrating through the dust removal box 3, the smoke and dust discharged from the dust discharge main pipe 68 is discharged into the dust removal box 3 through the two dust discharge branch pipes 72 on the three-way valve 71, and the dust removal box 3 is sequentially embedded with a filter screen 73, an activated carbon adsorption screen 74 and a filter cotton 75 from top to bottom, the outer side of the filter screen 73, the activated carbon adsorption screen 74 and the filter cotton 75 is fixedly connected with a sealing cover plate 76 in cooperation with the dust removal box 3, and the outer side of the dust removal box 3 close to the filter cotton 75 is arrayed with a discharge port 77, the smoke and dust discharged into the dust removal box 3 is sequentially filtered by the filter screen 73, the activated carbon adsorption screen 74 and the filter cotton 75, and then discharged through the discharge port 77, finally, the filter screen 73, the activated carbon adsorption screen 74 and the filter cotton 75 on the sealing cover plate 76 are regularly taken out of the dust removal box 3 for cleaning.

[0050] The working principle of the sand wheel changing mechanism of the shaped grinding wheel gear grinding machine is as follows: first, the butt joint 58 with the driving motor and the two ends of the grinding wheel is placed inside the positioning seat 57 on the two sets of clamping seats 54, then the lifting cylinder 51 is controlled to open and drive the double-head hinged frame 52 to pull up, the double-head hinged frame 52 drives the two push-pull rods 53 to retract inward, the sliding groove 55 and the sliding bar 56 slide and limit the cooperation of the clamping seat 54, then the two push-pull rods 53 drive the two sets of clamping seats 54 to move inward synchronously, the two sets of clamping seats 54 drive the two sets of positioning seats 57 to clamp the butt joint 58 of the driving motor and the two ends of the grinding wheel, and the quick connection and installation of the grinding wheel with the driving motor are completed.

[0051] Then, according to the height position of the current gear machining surface, the electric push rod 42 is controlled to open and drive the clamping head 43 to move downward and clamp into the clamping seat 44, then the servo motor 41 is controlled to open and drive the clamping head 43 clamped in place by the electric push rod 42 to drive the lead screw 45 on the clamping seat 44 to rotate forward, the lead screw 45 drives the two supporting arms 47 to slide downward in the limiting vertical groove 8 through the lead screw sleeve 46, at the same time, the two supporting arms 47 also drive the sliding frame 48 to move downward in close contact with the vertical plate frame 1, until the sliding frame 48 drives the connected and fixed grinding wheel to move downward to the machining position of the gear, then the servo motor 41 is controlled to pause, the electric push rod 42 is controlled to close and drive the clamping head 43 to move upward out of the clamping seat 44 to the initial position, since the butt joint 58 on the grinding wheel is arranged in a rotating connection and the butt joint 58 on the driving motor is arranged in a fixed connection, the driving motor in the clamped and fixed state drives the grinding wheel to rotate and performs machining operation on the gear in place.

[0052] At the same time that a large amount of smoke and dust is raised at the grinding wheel gear machining site, the telescopic cylinder 63 is controlled to open and drive the pinion gear 62 to move inward and clamp into the meshing part of the main bevel gear 61, then the servo motor 41 is controlled to open again and drive the main bevel gear 61 in meshing to drive the pinion gear 62 to rotate, the pinion gear 62 drives the dust suction fan 64 to continuously rotate in the dust suction frame 2 through the telescopic cylinder 63, generates negative pressure intensity, and is transmitted to the two sets of dust suction heads 67 through the two dust suction pipes 65 and the telescopic pipe 66 pulled downward by the sliding frame 48 in sequence, under the action of negative pressure suction, the smoke and dust raised at the grinding wheel gear machining site is sucked into the two sets of dust suction heads 67, then is discharged to the dust discharge main pipe 68 through the dust suction frame 2 in the original path; at the same time, the smoke and dust discharged to the dust discharge main pipe 68 is discharged into the dust removal box 3 through the two dust discharge branch pipes 72 on the three-way valve 71, then is filtered through the three-stage filtration of the filter screen 73, the activated carbon adsorption screen 74 and the filter cotton 75 in sequence, and the filtered gas is directly discharged from the two reserved discharge ports 77 on both sides of the dust removal box 3, finally, the filter screen 73, the activated carbon adsorption screen 74 and the filter cotton 75 on the blocking cover plate 76 are periodically taken out of the dust removal box 3 for cleaning.

[0053] It should be noted that the specific model of the servo motor 41, the electric push rod 42, the lifting cylinder 51 and the telescopic cylinder 63 needs to be determined according to the actual specifications of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0054] The power supply circuit of the servo motor 41, the electric push rod 42, the lifting cylinder 51 and the telescopic cylinder 63 is clear to those skilled in the art, and will not be described in detail here.

[0055] It can be understood that the present application is described by some embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the present application. In addition, under the guidance of the present application, these features and embodiments can be modified to adapt to specific conditions and materials without departing from the spirit and scope of the present application. Therefore, the present application is not limited by the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are within the scope of the present application.

Claims

1. A grinding wheel changing mechanism for a forming grinding wheel gear grinding machine, comprising a vertical frame (1), characterized in that: The bottom of the upright frame (1) is provided with mounting bolt holes around the perimeter, and a dust collection frame (2) is fixedly connected to the top of one side of the upright frame (1), and a dust collection box (3) is fixedly connected to the bottom of the other side of the upright frame (1). The upright frame (1) is provided with a lifting component for adjusting the height of the grinding wheel changing mechanism, and a positioning component for quick clamping of the grinding wheel is provided on the outside of the lifting component. Both sides of the dust collection frame (2) are provided with dust collection components for collecting dust during processing. The lifting assembly includes a servo motor (41) fixed to the top of the upright frame (1) and a slide (48) sliding on the upright frame (1), and the positioning assembly includes a lifting cylinder (51) fixed to the top of the slide (48), and the dust collection assembly includes dust collection heads (67) fixed to both sides of the slide (48).

2. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 1, characterized in that: The lifting assembly also includes an electric push rod (42) fixed on the output shaft of the servo motor (41), and the piston rod of the electric push rod (42) is fixedly connected to a chuck (43), and a lead screw (45) is rotatably connected in the cavity of the upright frame (1). The top of the lead screw (45) is fixedly connected to a chuck seat (44) that engages with the chuck (43), and a lead screw sleeve (46) is threaded onto the lead screw (45). Both sides of the lead screw sleeve (46) are fixedly connected to support arms (47) that are fixedly engaged with the slide (48).

3. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 2, characterized in that: The positioning assembly also includes a double-headed hinge (52) fixed on the piston rod of the lifting cylinder (51), and push-pull rods (53) are hinged on both sides of the double-headed hinge (52). The end of the push-pull rod (53) is hinged to a clamping seat (54), and a sliding groove (55) is provided on the inner side of the clamping seat (54). A slide bar (56) that is fixedly matched with the slide frame (48) is slidably connected in the sliding groove (55). A positioning seat (57) is provided on the inner side of the slide frame (48). A grinding wheel with a drive motor is clamped on the inner side of the positioning seat (57). A mating joint (58) is provided on the outer side of the grinding wheel and the drive motor. The mating joint (58) on the grinding wheel is configured to be rotatably connected, and the mating joint (58) on the drive motor is configured to be fixedly connected.

4. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 3, characterized in that: The vacuuming assembly also includes a main bevel gear (61) sleeved on the electric push rod (42), and a driven bevel gear (62) is provided on the outside of the main bevel gear (61). A telescopic cylinder (63) that rotates and cooperates with the vacuuming frame (2) is fixedly connected to the outside of the driven bevel gear (62), and a vacuuming fan (64) is sleeved on the telescopic cylinder (63). Both sides of the vacuuming frame (2) are connected to a vacuuming pipe (65) with a negative pressure valve, and the end of the vacuuming pipe (65) is connected to a telescopic pipe (66) that communicates and cooperates with the vacuuming head (67). The bottom of the vacuuming frame (2) is connected to a dust exhaust manifold (68).

5. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 4, characterized in that: The upright frame (1) has a limiting vertical groove (8) on both sides that slides with the support arm (47), and the slide (48) has an extension tube fixedly connected to both sides.

6. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 5, characterized in that: The slide groove (55) has anti-detachment protrusions on both sides near the slide bar (56), and the slide bar (56) has anti-detachment grooves that slide in conjunction with the recesses.

7. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 6, characterized in that: The outer side of the clamping seat (54) is fixedly connected to a buffer spring (9) that is fitted into the extension tube, and the buffer spring (9) is connected through the slide (48).

8. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 7, characterized in that: The positioning seat (57) has a buckle groove, and the connector (58) has a buckle head that engages with the buckle groove, and they are distributed in a triangular equidistant manner.

9. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 8, characterized in that: The vacuum fan (64) is made of lightweight material with a streamlined design, and the blades of the vacuum fan (64) are distributed in a circumferentially curved shape along the horizontal axis of the vacuum frame (2).

10. The grinding wheel changing mechanism for a forming grinding wheel gear grinding machine according to claim 9, characterized in that: The suction head (67) is distributed in an axisymmetric inclined state along the longitudinal axis of the carriage (48), and the suction head (67) covers the entire range of the clamping seat (54) clamping the grinding wheel.

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