Clamping and grinding equipment for steel ring machining

Abstract

The invention relates to the technical field of steel ring machining, and discloses clamping and grinding equipment for steel ring machining, the clamping and grinding equipment comprises a machine table, a grinding assembly is installed on one side of the top of the machine table, the grinding assembly comprises a rotating rod, the rotating rod is installed on one side of the top of the machine table, and a connecting frame is fixedly connected to the lower portion of the outer wall of the rotating rod. An electric push rod drives a push-pull plate and a rack to move in three sections, the rack is meshed with a gear ring to drive a metal pipe to rotate, then a semicircular plate and an L-shaped polishing brush are dragged to rotate synchronously, accurate polishing of the upper section, the middle section and the lower section within the range of 180 degrees is achieved, the middle section can polish a hub inner cavity, the lower section can polish an inner cavity support in a targeted mode, and the two polishing structures can work independently; the steel wire brush set efficiently removes burrs and thick oxide layers through high-speed rotation, the nylon wire brush set eliminates coarse grinding traces, flexible switching of grinding positions is achieved, coarse and fine grinding connection is completed through cooperation of the two sets of brush heads, and the hub grinding precision and efficiency are greatly improved.

Description

Technical Field

[0001] This invention relates to the field of steel ring processing technology, specifically to a clamping and grinding device for steel ring processing. Background Technology

[0002] The steel rim is the core component of the wheel hub, and its processing quality directly affects the performance of the wheel hub. In wheel hub production, the steel rim needs to undergo a series of processing steps, and the clamping and grinding equipment plays a key role in this process. This equipment can accurately clamp the steel rim and ensure that the steel rim is dimensionally accurate and has a smooth surface through grinding, laying a good foundation for the subsequent assembly of the wheel hub. The steel rim processed by the clamping and grinding equipment can ensure the size and precision of the finished wheel hub. When such a wheel hub is combined with a rubber tire to form a tire, it can reduce the tire size difference caused by wheel hub problems, reduce the risk of the car deviating while driving, and ensure driving safety.

[0003] In the current wheel hub production process, grinding requires both coarse and fine grinding, which is cumbersome. Coarse grinding requires the use of a wire wheel to remove defects such as burrs on the rim, and emulsified cutting fluid must be applied to cool and flush away debris. Then, fine grinding is used to remove the marks left by coarse grinding. During fine grinding, a lightweight grinding fluid containing ultrafine abrasives must be applied. At the same time, the inner wall of the wheel hub and the wheel hub bracket have complex structures, narrow spaces, and blind spots, so the grinding head can only be operated manually. This is not only inefficient, but also prone to inconsistent grinding precision due to differences in force. This is the current situation faced by the grinding process in wheel hub production. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a clamping and grinding device for steel wheel processing. It has the advantages of coarse and fine grinding processes, adjustable grinding of complex structural areas, stable grinding accuracy, and high efficiency. It solves the problems of cumbersome grinding processes, the need for separate operations for coarse and fine grinding, and reliance on switching between different auxiliary materials in the prior art. It also solves the problem of areas that are difficult to grind, such as the inner wall of the wheel hub and the bracket.

[0005] To achieve the aforementioned objectives of providing both coarse and fine grinding processes, adjustable grinding of complex structural areas, and stable and efficient grinding precision, this invention provides the following technical solution: a clamping and grinding device for steel ring processing, comprising a machine base, a grinding assembly mounted on one side of the top of the machine base, the grinding assembly including a rotating rod, the rotating rod being mounted on one side of the top of the machine base, a connecting frame fixedly connected to the lower part of the outer wall of the rotating rod, a connecting plate fixedly connected to the bottom of the rotating rod, and the top of the connecting plate being fixedly connected to the connecting frame, mounting boxes fixedly connected to both sides of the top of the connecting frame, and the inner cavities of both mounting boxes... The device is equipped with electric actuators, the output ends of which pass through the connecting frame and are slidably connected. Each of the two electric actuators has a push-pull plate fixedly connected to one end of its passage through the connecting frame. Three racks are fixedly connected to the bottom sides of each of the two push-pull plates, and the racks pass through the connecting plate and are slidably connected. Three metal tubes are rotatably connected to the left and right sides of the connecting plate. Gear rings are fixedly connected to both sides of the outer wall of each metal tube, and the gear rings mesh with the racks. Semicircular plates are fixedly connected to both sides of the metal tubes on the left and right sides, passing through the connecting plate. L-shaped polishing brushes are fixedly connected to the outer walls of each semicircular plate. An infusion assembly is provided in the inner cavity of the rotating rod.

[0006] As a further embodiment of the present invention: the infusion assembly includes two reservoirs, which are respectively opened on both sides of the connecting plate. Three guide plates are fixedly connected to the relatively far side of the inner cavity of each of the two reservoirs. Three connecting pipes are fixedly connected through the connecting plate on the relatively far side of the two reservoirs, and the connecting pipes cooperate with the guide plates. Connecting rings are fixedly connected to the side of the multiple connecting pipes away from the reservoirs, and the connecting rings are all sleeved on the outer wall of the metal pipe.

[0007] As a further embodiment of the present invention: the infusion assembly further includes an arc-shaped groove, which is formed on one side of the outer wall of the metal tube and cooperates with the connecting ring. Limiting grooves are formed on both sides of the outer wall of the metal tube near the arc-shaped groove, and the connecting ring rotates within the limiting groove.

[0008] As a further embodiment of the present invention: both sides of the plurality of metal tubes fixedly connected to the semi-circular plate are permeated and fitted with diaphragms.

[0009] As a further embodiment of the present invention: the inner cavity of the semi-circular plate is provided with a liquid passage groove, and the diaphragm cooperates with the liquid passage groove.

[0010] As a further embodiment of the present invention: the L-shaped grinding brush has a liquid outlet groove on one side of the connecting plate.

[0011] As a further embodiment of the present invention: a slide rail is installed on one side edge of the machine tool, and a viewing frame is slidably connected to the inner cavity of the slide rail.

[0012] As a further aspect of the present invention: a three-jaw chuck is installed in the middle of the upper surface of the machine tool, and the three-jaw chuck can hold the wheel hub.

[0013] As a further aspect of the present invention: a three-jaw chuck is installed on the upper part of the sliding plate, which can hold the wheel hub.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. In this invention, the rotating rod is driven by the second motor to rotate. At this time, the electric push rod drives the push-pull plate and the rack to move in three sections. The rack meshes with the toothed ring to drive the metal tube to rotate, which in turn pulls the semi-circular plate and the L-shaped grinding brush to rotate synchronously, realizing precise grinding in three sections (upper, middle and lower) within a range of 180 degrees. The middle section can grind the inner cavity of the wheel hub, and the lower section can specifically grind the inner cavity support, covering different grinding needs. The two grinding structures can work independently. The wire brush group efficiently removes burrs and thick oxide layers through high-speed rotation, and the nylon bristle brush group eliminates coarse grinding marks. Moreover, the angle of each group can be adjusted by the electric push rod, realizing flexible switching of grinding position. The two sets of brush heads work together to complete the connection between coarse and fine grinding, which greatly improves the accuracy and efficiency of wheel hub grinding.

[0016] 2. In this invention, when applying emulsified cutting fluid and polishing fluid during grinding, the emulsified cutting fluid and polishing fluid flow into the metal pipe through the guide plate, connecting pipe, and connecting ring. The rotation of the metal pipe causes the liquid to be squeezed by centrifugal force onto the diaphragm, opening the channel and being thrown out along the liquid outlet groove and adhering to the L-shaped grinding brush. The L-shaped bend prevents the liquid from splashing over a large area. The emulsified cutting fluid and the wire brush work together to form a lubricating film to reduce friction, remove heat and prevent damage to the wheel hub, achieving efficient coarse grinding and leaving a flat base. At the same time, the polishing fluid adheres to the gaps between the nylon bristles and is transferred along with the brush to the wheel hub, eliminating fine scratches and reducing friction, removing debris and preventing secondary damage. Through the liquid delivery and brush head cooperation, the connection between coarse and fine grinding is achieved, ensuring the grinding quality. Attached Figure Description

[0017] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0018] Figure 2 This is a schematic diagram of the bottom of the rotating rod of the present invention;

[0019] Figure 3 This is a sectional view of one side of the connecting frame and mounting box of the present invention;

[0020] Figure 4 This is a schematic diagram of the electric actuator of the present invention;

[0021] Figure 5 For the present invention Figure 5 Enlarged view of point A in the middle;

[0022] Figure 6 This is a sectional view of one side of the connecting frame and connecting plate of the present invention;

[0023] Figure 7 For the present invention Figure 7 Enlarged view at point B in the middle;

[0024] Figure 8 This is a schematic diagram of the metal tube of the present invention;

[0025] Figure 9 This is a schematic diagram of the arc-shaped groove of the present invention;

[0026] Figure 10 This is a schematic diagram of the diaphragm of the present invention;

[0027] Figure 11 This is a sectional view of one side of the semicircular plate of the present invention;

[0028] Figure 12 For the present invention Figure 12 Enlarged view of point C in the middle.

[0029] In the diagram: 1. Machine base; 2. Rotating rod; 201. Connecting frame; 202. Connecting plate; 203. Mounting box; 204. Electric actuator; 205. Push-pull plate; 206. Rack; 207. Metal tube; 208. Gear ring; 209. Semicircular plate; 210. L-shaped grinding brush; 3. Liquid storage tank; 301. Guide plate; 302. Connecting pipe; 303. Connecting ring; 304. Arc groove; 305. Limiting slide groove; 306. Diaphragm; 307. Liquid passage groove; 308. Liquid outlet groove; 309. Threaded connecting pipe; 310. Threaded cap; 4. Slide rail; 5. Viewing frame; 6. Three-jaw chuck. Detailed Implementation

[0030] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0031] Please see Figures 1-12In this embodiment of the invention, a clamping and grinding device for steel ring processing includes a grinding assembly installed on one side of the top of a machine base 1. The grinding assembly includes a rotating rod 2, which is installed on one side of the top of the machine base 1. A connecting frame 201 is fixedly connected to the lower part of the outer wall of the rotating rod 2, and a connecting plate 202 is fixedly connected to the bottom of the rotating rod 2. The top of the connecting plate 202 is fixedly connected to the connecting frame 201. Mounting boxes 203 are fixedly connected to both sides of the top of the connecting frame 201. The connecting plate 202 is fixedly connected to the bottom of the rotating rod 2, and the connecting frame 201 is fixedly connected to the outer wall of the rotating rod 2. When the rotating rod 2 rotates, it can drive the connecting frame 201 and the connecting plate 202 to rotate simultaneously. Both mounting boxes 203 have electric actuators 204 installed inside their cavities. The output ends of the electric actuators 204 pass through the connecting frame 201 and are slidably connected. A push-pull plate 205 is fixedly connected to one end of each electric actuator 204 that passes through the connecting frame 201. Three racks 206 are fixedly connected to both sides of the bottom of each push-pull plate 205, and the racks 206 pass through the connecting plate 202 and are slidably connected. When the two electric actuators 204 are activated, they drive the push-pull plates 205 and racks 206 to move in three segments along the vertical direction. Three metal tubes 207 are rotatably connected to both sides of the connecting plate 202. Gear rings 208 are fixedly connected to both sides of the outer wall of each metal tube 207, and the gear rings 208 mesh with the rack 206. Semicircular plates 209 are fixedly connected to both sides of the metal tubes 207, passing through the connecting plate 202. L-shaped polishing brushes 210 are fixedly connected to the outer wall of each semicircular plate 209. These brushes mesh with the gear rings 208 when the rack 206 moves up and down, thereby causing the metal tubes 207 to rotate. During the rotation of the metal tubes 207, they pull... The semicircular plate 209 and the L-shaped polishing brush 210 rotate synchronously. It should be noted that when the electric actuator 204 moves, it can drive the push-pull plate 205 and the rack 206 to move in three segments along the vertical direction. This three-segment movement causes the semicircular plate 209 and the L-shaped polishing brush 210 to rotate in three corresponding segments, with a rotation range of 180 degrees. These three segments correspond to the upper, middle, and lower positions, respectively. When rotating to the middle segment, the inner cavity of the wheel hub can be polished. If it is necessary to polish the bracket installed in the inner cavity of the wheel hub, when rotating to the upper segment, the semicircular plate 209 and... The L-shaped polishing brush 210 will not come into contact with the wheel hub. The electric actuator 204, push-pull plate 205, rack 206, metal tube 207, toothed ring 208, semi-circular plate 209, and L-shaped polishing brush 210 are all designed in two sets. One set is installed on the left side of the connecting plate 202, and the other set is installed on the right side of the connecting plate 202. The L-shaped polishing brush 210 in one set is a wire brush, which removes burrs and thick oxide layers by scraping during high-speed rotation. The other set is a nylon bristle brush, which is used to eliminate coarse grinding marks and minor protrusions. The inner cavity of the rotating rod 2 is equipped with an infusion assembly, which includes two reservoirs 3. The two reservoirs 3 are respectively opened on both sides of the connecting plate 202. Three guide plates 301 are fixedly connected to the relatively far side of the inner cavity of the two reservoirs 3. Three connecting pipes 302 are fixedly connected through the connecting plate 202 on the relatively far side of the two reservoirs 3, and the connecting pipes 302 cooperate with the guide plates 301. Connecting rings 3 are fixedly connected to the side of the multiple connecting pipes 302 away from the reservoirs 3. 03, and the connecting rings 303 are all sleeved on the outer wall of the metal tube 207. After the emulsified cutting fluid and grinding fluid are added to the storage tank 3, they will flow into the connecting tube 302 through the guide plate 301, and then through the connecting ring 303 fixed at one end of the connecting tube 302, and enter the metal tube 207 through the arc groove 304. When grinding, the metal tube 207 rotates. The fluid delivery assembly also includes an arc groove 304, which is opened on one side of the outer wall of the metal tube 207, and the arc groove 304 cooperates with the connecting ring 303. Limiting grooves 305 are provided on both sides of the outer wall of the tube 207 near the arc-shaped groove 304, and the connecting ring 303 rotates within the limiting grooves 305. Multiple metal tubes 207 are fixedly connected to the semi-circular plate 209, and diaphragms 306 are installed through and installed on both sides. A liquid passage groove 307 is provided in the inner cavity of the semi-circular plate 209, and the diaphragm 306 cooperates with the liquid passage groove 307. The liquid inside the tube rotates synchronously with it and is thrown outwards due to centrifugal force. Under the action of centrifugal force, the liquid squeezes the diaphragm 306. The diaphragm 306 is deformed outward, at which time the channel between the multiple diaphragms 306 is opened, and the liquid enters the liquid passage 307. Under the continuous action of centrifugal force, the liquid in the liquid passage 307 is thrown out along the liquid outlet 308. The L-shaped polishing brush 210 has a liquid outlet 308 on one side of the connecting plate 202. Since the L-shaped curved part at the end of the L-shaped polishing brush 210 can block the liquid attached to its outer wall, it can effectively prevent the liquid from splashing in a large area when the L-shaped polishing brush 210 rotates and polishes. A slide rail 4 is installed on one side edge of the machine tool 1. A viewing frame 5 is slidably connected to the inner cavity of the slide rail 4. The viewing frame 5 can slide inside the slide rail 4. During grinding, dust can be blocked through the viewing frame 5. A three-jaw chuck 6 is installed in the middle of the upper surface of the machine tool 1. The three-jaw chuck 6 can hold the wheel hub.

[0035] The working principle of this invention is as follows: When grinding a wheel hub, the wheel hub must first be placed on a three-jaw chuck 6. The three-jaw chuck 6 clamps the wheel hub securely. After the wheel hub is clamped, motor 1 403 is turned on, which drives the threaded rod 402 to rotate. At this time, the moving plate 404, which is threaded to the outer wall of the threaded rod 402, will move accordingly. Simultaneously, the moving plate 404 will drive motor 2 6, mounting plate 5, rotating rod 2, and the grinding assembly installed at the bottom of the rotating rod 2 to move together.

[0036] At the same time, the machine tool 1 is turned on, which drives the rotating rod 2 to rotate. Next, the two electric push rods 204 are turned on. The electric push rods 204 will drive the push-pull plate 205 and the rack 206 to move in three sections in the vertical direction. When the rack 206 moves up and down, it meshes with the gear ring 208, which in turn drives the metal tube 207 to rotate. During the rotation of the metal tube 207, it will pull the semi-circular plate 209 and the L-shaped polishing brush 210 to rotate synchronously. The three-section movement will cause the semi-circular plate 209 and the L-shaped polishing brush 210 to rotate in three sections, with a rotation range of 180 degrees. The three sections correspond to the rotation of the upper, middle and lower positions respectively. When rotating to the middle section, the inner cavity of the wheel hub can be polished. If it is necessary to polish the bracket installed in the inner cavity of the wheel hub, the semi-circular plate 209 and the L-shaped polishing brush 210 are adjusted to the lower section. At this time, the semi-circular plate 209 and the L-shaped polishing brush 210 can accurately polish the bracket.

[0037] Among them, the electric actuator 204, push-pull plate 205, rack 206, metal tube 207, toothed ring 208, semi-circular plate 209 and L-shaped polishing brush 210 are all designed in two sets. One set of L-shaped polishing brush 210 is a steel wire brush, which removes burrs and thick oxide layers by scraping during high-speed rotation; the other set is a nylon bristle brush, which is used to eliminate coarse grinding marks and fine protrusions. The polishing angle of the semi-circular plate 209 and L-shaped polishing brush 210 can be adjusted by the electric actuator 204.

[0038] In the preparation stage before grinding, emulsified cutting fluid and grinding fluid need to be added to the two liquid storage tanks 3 respectively. Rotate the two threaded caps 310 to open the threaded connecting pipe 309, and inject the two liquids into the liquid storage tanks 3 through the threaded connecting pipe 309. After the emulsified cutting fluid and grinding fluid are added to the liquid storage tanks 3, they will flow into the connecting pipe 302 through the guide plate 301, and then through the connecting ring 303 fixed at one end of the connecting pipe 302, and into the metal pipe 207 through the arc groove 304. During grinding, the metal pipe 207 rotates, and the liquid inside rotates synchronously with it. Centrifugal force generates outward ejection. Under the action of centrifugal force, the liquid squeezes the diaphragm 306, causing the diaphragm 306 to deform outward. At this time, the channel between multiple diaphragms 306 opens, and the liquid enters the liquid passage 307. Under the continuous action of centrifugal force, the liquid in the liquid passage 307 is ejected along the liquid outlet 308 and adheres to the L-shaped polishing brush 210. Since the L-shaped curved part at the end of the L-shaped polishing brush 210 can act as a barrier to the liquid adhering to its outer wall, it can effectively prevent the liquid from splashing in a large area when the L-shaped polishing brush 210 rotates and polishes.

[0039] When emulsified cutting fluid is used in conjunction with a wire brush, it forms a lubricating film on the surface of the wire brush, reducing direct friction between the wire brush and the wheel hub metal, reducing wire wear, and avoiding scratches caused by hard contact. At the same time, it can quickly remove the heat generated during grinding, preventing the wheel hub from oxidizing, discoloring, or deforming due to localized heating. This ensures that coarse grinding can efficiently remove defects and leave a smooth base for subsequent fine grinding. When grinding fluid is used in conjunction with a nylon bristle brush, the ultrafine abrasives and lubricating carrier contained in the grinding fluid can adhere to the fiber gaps of the nylon bristle brush. The brush is flexible and can closely conform to the curved surface of the wheel hub. When rotating, the elastic pressure of the nylon bristles evenly transfers the grinding fluid to the surface of the wheel hub. This not only uses the abrasive to eliminate the fine scratches left by coarse grinding, but also relies on the lubricating components to reduce friction between the brush and the metal. At the same time, the grinding fluid can remove fine debris in time, preventing it from adhering to the brush and causing secondary damage, thus meeting the adhesion requirements of subsequent plating or coating.

[0040] The above description is only a preferred embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any equivalent substitutions or modifications made by those skilled in the art within the scope of the technology disclosed in the present invention, based on the technical solution and inventive concept of the present invention, should be covered within the scope of protection of the present invention.

Claims

1. A clamping and grinding device for steel ring processing, comprising a machine base (1), characterized in that: A grinding assembly is installed on one side of the top of the machine base (1). The grinding assembly includes a rotating rod (2). The rotating rod (2) is installed on one side of the top of the machine base (1). A connecting frame (201) is fixedly connected to the lower part of the outer wall of the rotating rod (2). A connecting plate (202) is fixedly connected to the bottom of the rotating rod (2), and the top of the connecting plate (202) is fixedly connected to the connecting frame (201). Mounting boxes (203) are fixedly connected to both sides of the top of the connecting frame (201). Electric push rods (204) are installed in the inner cavities of the two mounting boxes (203). The output ends of the electric push rods (204) pass through the connecting frame (201) and are slidably connected. The two electric push rods (204) pass through the connecting frame (201). A push-pull plate (205) is fixedly connected to one end of each of the two push-pull plates (205). Three racks (206) are fixedly connected to the bottom sides of each of the two push-pull plates (205). The racks (206) pass through the connecting plate (202) and are slidably connected. Three metal tubes (207) are rotatably connected to the left and right sides of the connecting plate (202). Toothed rings (208) are fixedly connected to the outer walls of the metal tubes (207). The toothed rings (208) mesh with the racks (206). Semicircular plates (209) pass through the connecting plate (202) and are fixedly connected to the metal tubes (207) on both sides. L-shaped polishing brushes (210) are fixedly connected to the outer walls of the semicircular plates (209). An infusion assembly is provided in the inner cavity of the rotating rod (2).

2. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: The infusion assembly includes two reservoirs (3), which are respectively located on both sides of the connecting plate (202). Three guide plates (301) are fixedly connected to the relatively far side of the inner cavity of each of the two reservoirs (3). Three connecting pipes (302) are fixedly connected through the connecting plate (202) on the relatively far side of the two reservoirs (3), and the connecting pipes (302) cooperate with the guide plates (301). Connecting rings (303) are fixedly connected to the side of each of the multiple connecting pipes (302) away from the reservoirs (3), and the connecting rings (303) are all sleeved on the outer wall of the metal tube (207).

3. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: The infusion assembly also includes an arc-shaped groove (304), which is formed on one side of the outer wall of the metal tube (207) and cooperates with the connecting ring (303). Limiting grooves (305) are formed on both sides of the outer wall of the metal tube (207) near the arc-shaped groove (304), and the connecting ring (303) rotates in the limiting groove (305).

4. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: Both sides of the multiple metal tubes (207) that are fixedly connected to the semi-circular plate (209) are permeated and fitted with diaphragms (306).

5. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: The inner cavity of the semi-circular plate (209) is provided with a liquid passage groove (307), and the diaphragm (306) cooperates with the liquid passage groove (307).

6. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: The L-shaped polishing brush (210) has a liquid outlet groove (308) on one side of the connecting plate (202).

7. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: A slide rail (4) is installed on one side edge of the machine base (1), and a viewing frame (5) is slidably connected to the inner cavity of the slide rail (4).

8. The clamping and grinding equipment for steel ring processing according to claim 1, characterized in that: A three-jaw chuck (6) is installed in the middle of the upper surface of the machine tool (1), and the three-jaw chuck (6) can hold the wheel hub.

Images