Automatic drilling structure for LED lampshade accessories

Abstract

The invention relates to the technical field of lamp processing, in particular to an LED lampshade accessory automatic drilling structure which comprises a drilling machine, a U-shaped plate fixedly mounted on the upper side of a table top of the drilling machine, a supporting unit used for clamping and limiting the thin-wall position of a lampshade, and a polishing unit used for removing hole edge burrs. The two abutting cylinders which are arranged up and down and are coaxial with the drill bit are adopted to support and limit the punching position, so that the situation that the hole edge deforms in one direction due to weak rigidity of a thin wall in the cutting process of the drill bit and the situation that the hole edge deforms in the other direction due to friction force in the withdrawing process of the drill bit are effectively prevented; the hole edge burrs caused by deformation are remarkably reduced, the rotating column capable of being inserted into the drill hole is adopted to drive the grinding piece to conduct rotary grinding on the hole edge, the burrs left after drilling are directly removed, and the problem that the burrs scratch an electric wire or affect installation of a sealing piece is solved.

Description

Technical Field

[0001] This invention relates to the field of lighting manufacturing technology, specifically an automatic drilling structure for LED lampshade accessories. Background Technology

[0002] As a key component of lighting fixtures, LED lamp covers typically consist of two parts: a base cover for mounting and fixing LED chips and driver circuits, and a light-transmitting cover that covers the base cover to allow light to pass through and protect the LED chips. The side walls of the base cover are usually designed as relatively thin-walled structures to meet specific installation space or heat dissipation requirements.

[0003] The thin-walled side of the base cover needs to be pre-drilled to create mounting holes or wire holes. The smoothness of the hole edges is crucial. If burrs or deformation remain on the hole edges after drilling, they will not only scratch the insulation layer of the wires passing through, causing a short circuit risk, but also affect the installation effect of subsequent waterproof seals, leading to a decrease or even failure of the lamp's sealing performance.

[0004] However, when traditional drilling machines drill holes in the thin-walled areas of the base cover, the thin-walled structure itself is relatively weak. During the high-speed rotation of the drill bit into the material, the rigid contact between the drill bit and the base cover easily causes deformation of the thin-walled base cover. During the process of the drill bit withdrawing from the material, the outer surface of the drill bit pulls out the hole edge through friction, which also causes local deformation of the hole edge. This deformation not only directly affects the accuracy and roundness of the drilling, but also significantly aggravates the generation of burrs on the hole edge.

[0005] In addition, when traditional drilling machines drill holes in the base cover, the chips produced cannot efficiently move away from the hole edge. This causes the chips to rotate with the drill bit at the hole edge, which scratches the hole edge and creates new burrs. Summary of the Invention

[0006] To solve the above-mentioned technical problems, the technical solution adopted by the present invention is: an automatic drilling structure for LED lampshade accessories, including a drilling machine, a U-shaped plate fixedly installed on the upper side of the drilling machine table, the drilling structure also includes a support unit for clamping and limiting the thin-walled part of the lampshade, and a polishing unit for removing burrs from the hole edge.

[0007] The support unit includes two vertically arranged abutment cylinders, which are coaxially arranged with the drill bit of the drilling machine. Supporting square rods are fixedly installed on both the front and rear sides of the abutment cylinders. The two lower supporting square rods are fixedly connected to the U-shaped plate, and the two upper supporting square rods are slidably connected to the drilling machine through a drive assembly.

[0008] The polishing unit includes a movable plate that slides up and down on the lower side of the horizontal section of the U-shaped plate. A rotating column, coaxial with the drill bit of the drilling machine, is provided on the right side of the movable plate via a connecting assembly. Two symmetrically arranged polishing parts are slidably arranged on the upper end of the rotating column along its radial direction. An actuation motor is fixedly installed on the movable plate.

[0009] The inner cavity of the abutment cylinder and the support rod is provided with an air guide channel, into which a high-speed airflow is pumped to quickly blow away the floating burrs and chips on the edge of the hole.

[0010] During drilling, two abutment cylinders are clamped on the thin wall of the lampshade for support and limitation. After drilling, the rotating column is inserted into the hole and pushes the grinding part to contact the edge of the hole. Rotating the rotating column causes the grinding part to grind the edge of the hole.

[0011] Preferably, a limit strip is slidably provided on the right side of the horizontal section of the U-shaped plate, an adjusting screw threadedly connected to the limit strip is rotatably provided on the U-shaped plate, and a blocking screw arranged laterally is threadedly connected to the front side of the horizontal section of the U-shaped plate.

[0012] Preferably, the drive assembly includes a cantilever frame fixedly mounted on the drilling machine, a linkage plate fixedly mounted between two supporting square rods on the upper part, and a No. 1 hydraulic cylinder fixedly mounted on the cantilever frame with a telescopic section fixedly connected to the linkage plate.

[0013] Preferably, the connecting assembly includes a lower bracket fixedly installed on the left side of the movable plate, an upper bracket vertically slidably disposed on the upper side of the lower bracket, and the upper bracket being rotatably connected to the rotating column.

[0014] Preferably, the grinding component has a V-shaped structure on the side away from the axis of the rotating column, and a wedge-shaped structure on the side of the grinding component close to the axis of the rotating column. A drive rod is slidably arranged up and down on the inner side of the rotating column at a position coaxial with the axis of rotation, and the upper end of the drive rod is simultaneously slidably connected to the wedge-shaped structures of the two grinding components.

[0015] Preferably, the lower end of the drive rod is rotatably connected to the lower bracket, a helical spring is provided between the upper bracket and the lower bracket, and a stop plate for blocking the upper bracket is fixedly installed on the right side of the horizontal section of the U-shaped plate.

[0016] Preferably, a pulley is fixedly installed on the outside of the drive rod, and a belt is wound around the output shaft of the actuator motor and the pulley. A second hydraulic cylinder, which is fixedly connected to the telescopic section and the moving plate, is fixedly installed on the table of the drilling machine.

[0017] Preferably, a pump cylinder is fixedly installed on the upper side of the horizontal section of the U-shaped plate, and the outlet of the air guide on the supporting square rod is connected to the upper inner area of ​​the pump cylinder through a hose.

[0018] Preferably, the air guide channel inside the supporting square rod is in the shape of a straight hole, and the air guide channel inside the cylinder is in the shape of a spiral groove.

[0019] Preferably, a reciprocating threaded cylinder is rotatably arranged inside the air pump cylinder, and the reciprocating threaded cylinder is slidably connected to the output shaft of the actuator motor. A partition plate is fixedly installed on the upper inner side of the air pump cylinder to divide the interior of the air pump cylinder into upper and lower regions. A thrust plate that is threadedly connected to the reciprocating threaded cylinder is slidably arranged in the lower region of the air pump cylinder. A one-way valve is connected to the thrust plate. An opening and closing component is provided on both the partition plate and the thrust plate.

[0020] The beneficial effects of the present invention are as follows: First, the present invention uses two abutment cylinders arranged vertically and coaxially with the drill bit. During drilling, the cylinders are clamped on the thin wall of the base cover to support and limit the drilling position. This effectively prevents the hole edge from deforming in one direction due to the weak rigidity of the thin wall during the drill bit's entry process, and from deforming in another direction due to friction during the drill bit's withdrawal process. This significantly reduces the burrs on the hole edge caused by deformation.

[0021] Second, the present invention uses a rotating column that can be inserted into the drill hole. Two symmetrical grinding parts that are radially slidable on the rotating column can contact the edge of the hole after the rotating column is inserted. The rotating column is driven to rotate by an actuator motor, which drives the grinding parts to perform rotary grinding on the edge of the hole, directly removing the burrs remaining after drilling, further improving the smoothness of the hole edge, and avoiding the problem of burrs scratching wires or affecting the installation of seals.

[0022] Third, the present invention adopts an air guide channel jointly opened inside the support cylinder and the support square rod, which, together with the air pump, guides the airflow into the hole during drilling and grinding, and blows away the generated debris in time, preventing the debris from scratching the hole edge again during drilling or grinding, thus creating new burrs or affecting the grinding effect.

[0023] Fourth, the present invention uses an opening and closing component to make the airflow inside the air duct ejected in a pulse form. Compared with continuous airflow, pulsed airflow has a better effect on disturbing and cleaning debris, especially effectively removing small debris attached to the hole wall or stuck in the burr, ensuring the thoroughness of burr cleaning and the cleanliness of the hole. Attached Figure Description

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Figure 1 This is a schematic diagram of the overall structure of the present invention when drilling holes in the thin wall of the base cover.

[0026] Figure 2 This is a schematic diagram of the structure of the U-shaped plate, the abutment cylinder, the second hydraulic cylinder, and the drive assembly in this invention.

[0027] Figure 3 This is a schematic diagram of the structure of the U-shaped plate, adjusting screw, limiting strip and blocking screw in this invention.

[0028] Figure 4 This is a partial cross-sectional view of the air guide channel, supporting square rod, and abutment cylinder in this invention.

[0029] Figure 5 This is a partial cross-sectional view of the pump cylinder, reciprocating threaded cylinder, one-way valve and thrust plate in this invention.

[0030] Figure 6 This is a partial structural diagram of the drilling machine, hydraulic cylinder No. 2, U-shaped plate, and moving plate in this invention.

[0031] Figure 7 This is a partial cross-sectional view of the thrust plate, push frame, partition plate and air-blocking component in this invention.

[0032] Figure 8 This is a partial sectional view of the U-shaped plate, the actuator, the rotating column, and the upper support in this invention.

[0033] Figure 9 This is a partial cross-sectional view of the movable plate, upper support, rotating column, and grinding component in this invention.

[0034] Figure 10 This is a partial structural diagram of the grinding component and the drive rod in this invention.

[0035] In the diagram: 1. Drilling machine; 2. U-shaped plate; 3. Support unit; 4. Grinding unit; 21. Limiting strip; 22. Adjusting screw; 23. Blocking screw; 24. Air pump cylinder; 25. Air guide channel; 31. Abutment cylinder; 32. Supporting square rod; 33. Drive assembly; 41. Moving plate; 42. Connecting assembly; 43. Rotating column; 44. Grinding part; 45. Actuating motor; 241. Reciprocating threaded cylinder; 242. Divider plate; 243. Air pusher plate; 244. One-way valve; 245. Opening and closing assembly; 246. Air blocking component; 247. Push frame; 331. Cantilever frame; 332. Linkage plate; 333. Hydraulic cylinder No. 1; 421. Lower support; 422. Upper support; 423. Stop plate; 431. Drive rod; 432. Pulley; 433. Hydraulic cylinder No. 2. Detailed Implementation

[0036] The embodiments of the present invention are described in detail below. The embodiments described below are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention. Where specific techniques or conditions are not specified in the embodiments, they shall be performed in accordance with the techniques or conditions described in the literature in the art or in accordance with the product manual.

[0037] See Figure 1 and Figure 8 An automatic drilling structure for LED lampshade accessories includes a drilling machine 1, a U-shaped plate 2 fixedly installed on the upper side of the table of the drilling machine 1, and a support unit 3 for clamping and limiting the thin-walled part of the lampshade, and a polishing unit 4 for removing burrs from the hole edge.

[0038] See Figure 1 , Figure 2 and Figure 3 The support unit 3 includes two vertically arranged abutment cylinders 31. The abutment cylinders 31 are arranged coaxially with the drill bit of the drilling machine 1. Supporting square rods 32 are fixedly installed on both the front and rear sides of the abutment cylinders 31. The two lower supporting square rods 32 are fixedly connected to the U-shaped plate 2, and the two upper supporting square rods 32 are slidably connected to the drilling machine 1 through the drive assembly 33.

[0039] See Figure 6 , Figure 8 and Figure 9 The polishing unit 4 includes a movable plate 41 that is slidably disposed on the lower side of the horizontal section of the U-shaped plate 2. A rotating column 43, which is coaxially arranged with the drill bit of the drilling machine 1, is disposed on the right side of the movable plate 41 via a connecting component 42. Two symmetrically arranged polishing parts 44 are slidably disposed on the upper end of the rotating column 43 along its radial direction. An actuation motor 45 is fixedly installed on the movable plate 41.

[0040] When drilling is required on the thin-walled part of the base cover, the operator first places the base cover between the two abutment cylinders 31, and makes the position of the hole to be drilled on the base cover correspond to the coaxial position of the abutment cylinder 31. Then, the driving component 33 drives the upper abutment cylinder 31 to move downward to abut against the base cover, so that the base cover is pushed by the upper abutment cylinder 31 to abut against the lower abutment cylinder 31, thereby clamping and limiting the base cover through the two abutment cylinders 31.

[0041] Subsequently, the drill bit on the drill press 1 is moved to drill a hole in the thin-walled part of the base cover. When the drill bit cuts into the thin-walled part of the base cover, the lower abutment cylinder 31 provides upward support to the thin-walled part of the base cover to prevent deformation of the thin-walled part of the base cover when the drill bit cuts in. When the drilling is completed and the drill bit is withdrawn, the upper abutment cylinder 31 provides downward support to the thin-walled part of the base cover to prevent the drill bit, which has been inserted into the hole, from deforming the hole edge upward due to friction between it and the hole edge when it moves upward. This effectively solves the problem of increased burrs caused by deformation.

[0042] Next, the moving plate 41 is moved upward. The moving plate 41 drives the rotating column 43 to be inserted into the drilled hole through the connecting component 42. Then, the grinding part 44 automatically extends outward along the radial direction of the rotating column 43 to abut against the edge of the hole. After that, the rotating column 43 is rotated to drive the grinding part 44 to grind and polish the edge of the hole, further removing burrs on the edge of the hole and ensuring that the edge of the hole is smooth and flat.

[0043] To enable operators to more quickly and easily align the drilling position of the base cover precisely with the coaxial position of the abutment cylinder 31, the present invention incorporates the following design: (See reference) Figure 2 and Figure 3 A limit strip 21 is provided on the right side of the horizontal section of the U-shaped plate 2, which slides back and forth. An adjusting screw 22 is rotatably provided on the U-shaped plate 2 and is threadedly connected to the limit strip 21. A blocking screw 23 is threadedly connected to the front side of the horizontal section of the U-shaped plate 2.

[0044] When it is necessary to drill holes in the thin-walled part of the base cover, the operator manually rotates the adjusting screw 22 and the blocking screw 23 in advance, so that the adjusting screw 22 drives the limiting strip 21 to move back and forth to the designated position, and at the same time, the right end face of the blocking screw 23 is a specified distance from the horizontal section of the U-shaped plate 2.

[0045] When the operator places the thin wall of the base cover between the two abutment cylinders 31, the thin wall of the base cover only needs to abut against the lower abutment cylinder 31, while the rear inner side wall of the base cover abuts against the limiting strip 21, and the bottom wall of the base cover (located on the right side at this time) abuts against the right end face of the blocking screw 23. This allows the position of the hole to be drilled on the base cover to correspond to the coaxial position of the abutment cylinder 31, thus facilitating the operator to manually feed the base cover.

[0046] See Figure 2 The drive assembly 33 includes a cantilever 331 fixedly mounted on the drilling machine 1, a linkage plate 332 fixedly mounted between two supporting square rods 32 on the upper part, and a first hydraulic cylinder 333 fixedly mounted on the cantilever 331 and fixedly connected to the linkage plate 332.

[0047] When the operator places the base cover in the designated position between the two abutment cylinders 31, the telescopic section of the first hydraulic cylinder 333 extends, causing the first hydraulic cylinder 333 to drive the linkage plate 332 to move down. The linkage plate 332 drives the upper abutment cylinder 31 to press against the thin wall of the base cover through the two support square rods 32 at the corresponding positions, thereby realizing the clamping and limiting of the abutment cylinder 31 against the thin wall of the base cover.

[0048] To prevent the drill bit or grinding element 44 from scratching the hole edge with burrs or chips, thus causing new burrs to form, it is necessary to clean the burrs and chips on the hole edge in a timely manner during drilling and grinding. Therefore, the present invention designs the following structure: (See reference) Figure 2 , Figure 3 and Figure 4 A pump cylinder 24 is fixedly installed on the upper side of the horizontal section of the U-shaped plate 2. An air guide channel 25 is opened in the interior of the abutment cylinder 31 and the support square rod 32. The outlet of the air guide channel 25 on the support square rod 32 is connected to the upper inner area of ​​the pump cylinder 24 through a hose. The air guide channel 25 inside the support square rod 32 is a straight hole, and the air guide channel 25 inside the abutment cylinder 31 is a spiral groove.

[0049] When the drill bit drills or the grinding part 44 drills the hole edge, the air pump 24 pumps high-speed airflow into the air guide channel 25 inside the support square rod 32 through the hose. The high-speed airflow flows along part of the air guide channel 25 inside the support square rod 32 to part of the air guide channel 25 inside the abutment cylinder 31, so that the high-speed airflow moves spirally along part of the air guide channel 25 inside the abutment cylinder 31. This allows the high-speed airflow inside the two abutment cylinders 31 to blow away the floating burrs or chips away from the hole edge, thereby preventing burrs or chips from scratching the hole edge and causing new burrs to be generated. In addition, the spiral groove-shaped air guide channel 25 in the upper abutment cylinder 31 can also cooperate with the spiral chip removal groove on the drill bit, thereby assisting the chips to be discharged faster and more thoroughly along the spiral chip removal groove on the drill bit.

[0050] To enhance the blowing effect of high-speed airflow on floating burrs or chips, this invention introduces pulsed airflow through the guide air passage 25 to periodically impact and disturb floating burrs or chips on the hole edge, thereby improving the blowing effect. The specific structure is as follows: (See attached diagram) Figure 5 , Figure 6 and Figure 7 The pump cylinder 24 has a reciprocating threaded cylinder 241 rotatably mounted inside. The reciprocating threaded cylinder 241 is slidably connected to the output shaft of the actuator motor 45. A partition plate 242 is fixedly installed on the upper inner side of the pump cylinder 24, which divides the inside of the pump cylinder 24 into two regions. A push plate 243 is slidably mounted on the lower region of the pump cylinder 24 and threadedly connected to the reciprocating threaded cylinder 241. A one-way valve 244 is connected to the push plate 243. An opening and closing assembly 245 is jointly provided on the partition plate 242 and the push plate 243.

[0051] Continue reading Figure 5 , Figure 6 and Figure 7 The opening and closing assembly 245 includes several rectangular slots that extend vertically through the partition plate 242. A gas blocking element 246 is slidably arranged on the lower side of the partition plate 242 corresponding to the position of the rectangular slot along the radial direction of the air pump cylinder 24. A push spring is arranged between the gas blocking element 246 and the partition plate 242. The lower part of the gas blocking element 246 has a wedge-shaped structure. A push frame 247 corresponding to the gas blocking element 246 is fixedly installed on the upper side of the push plate 243. An air inlet is opened on the lower side of the air pump cylinder 24 to connect the inside and outside of it.

[0052] When the drill bit drills a hole or the grinding part 44 drills a hole edge, the actuator 45 is started, which drives the reciprocating threaded cylinder 241 to rotate synchronously. The reciprocating threaded cylinder 241 drives the air pusher 243 to move up and down inside the air pump cylinder 24. When the air pusher 243 moves upward, it compresses the air between itself and the partition plate 242, and at this time the one-way valve 244 is in the closed state.

[0053] At the same time, the push plate 243 drives the push frame 247 on it to move upward synchronously until the push frame 247 contacts the wedge-shaped surface of the lower wedge structure of the air blocking component 246, so that the push frame 247 pushes the air blocking component 246 radially inward along the pump cylinder 24 and compresses the push spring, so that the air blocking component 246 no longer blocks the rectangular groove. Then, the high-pressure air between the push plate 243 and the partition plate 242 flows quickly through the air guide channel 25 to the inside of the abutment cylinder 31, thereby impacting and blowing away the burrs and chips on the hole edge.

[0054] Subsequently, the reciprocating threaded cylinder 241 drives the thrust plate 243 to move downward, pushing the spring to push the air blocking component 246 to block the rectangular groove again through its own elastic force. During the downward movement of the thrust plate 243, the airflow moves through the one-way valve 244 to the area between the thrust plate 243 and the partition plate 242, thus preparing for the next compression pumping.

[0055] See Figure 8 and Figure 9 The connecting component 42 includes a lower bracket 421 fixedly installed on the left side of the movable plate 41, and an upper bracket 422 vertically slidably disposed on the upper side of the lower bracket 421. The upper bracket 422 is rotatably connected to the rotating column 43.

[0056] See Figure 8 , Figure 9 and Figure 10 The grinding component 44 has a V-shaped structure on the side away from the axis of the rotating column 43 so that the upper and lower edges of the hole can be ground simultaneously. The grinding component 44 has a wedge-shaped structure on the side close to the axis of the rotating column 43. The wedge-shaped structures of the two grinding components 44 are staggered in the front-back direction. A drive rod 431 is slidably arranged on the inner side of the rotating column 43 at a position coaxial with the axis. The upper end of the drive rod 431 is slidably connected to the wedge-shaped structures of the two grinding components 44 at the same time.

[0057] See Figure 3 , Figure 8 and Figure 9 The lower end of the drive rod 431 is rotatably connected to the lower bracket 421. A helical spring is provided between the upper bracket 422 and the lower bracket 421. A stop plate 423 for blocking the upper bracket 422 is fixedly installed on the right side of the horizontal section of the U-shaped plate 2.

[0058] See Figure 2 , Figure 6 and Figure 8 A pulley 432 is fixedly installed on the outside of the drive rod 431. A belt is wound around the output shaft of the actuator motor 45 and the pulley 432. A second hydraulic cylinder 433, which is fixedly connected to the telescopic section and the moving plate 41, is fixedly installed on the table of the drilling machine 1.

[0059] When the actuator motor 45 starts to rotate, the actuator motor 45 drives the drive rod 431 to rotate synchronously through the pulley 432. The drive rod 431 drives the rotating column 43 and the grinding workpiece 44 to rotate synchronously. When the drill bit finishes and moves up, the extension section of the second hydraulic cylinder 433 extends, so that the second hydraulic cylinder 433 drives the moving plate 41 to move up. The moving plate 41 drives the lower support 421 to move up synchronously. The lower support 421 pushes the upper support 422 to move up synchronously through the helical spring.

[0060] Until the upper bracket 422 abuts against the lower side of the stop plate 423, the upper bracket 422 drives the grinding part 44 to correspond to the position of the hole edge through the rotating column 43. Then, the lower bracket 421 continues to move upward, so that the lower bracket 421 drives the drive rod 431 to move upward relative to the rotating column 43, thereby causing the drive rod 431 to push the two grinding parts 44 outward along its radial direction at the same time, so that the V-shaped structure of the two grinding parts 44 abuts against the two edges of the hole, thereby causing the grinding parts 44 to grind and remove the burrs on the hole edge.

[0061] It should be noted that the present invention can protect the belt on the pulley 432 by installing a protective cover on the upper side of the movable plate 41 to prevent burrs or chips from getting stuck on the pulley 432 and affecting the transmission. Adding a protective cover is a common technical means used by those skilled in the art, and the present invention will not elaborate on it. The protection can be carried out at an appropriate position according to the actual situation.

[0062] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0063] Furthermore, the terms "first," "second," "number one," and "number two" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first," "second," "number one," or "number two" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0064] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0065] The embodiments described herein are preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Therefore, all equivalent changes made in accordance with the structure, shape, and principle of the present invention should be covered within the scope of protection of the present invention.

Claims

1. An automatic drilling structure for LED lampshade accessories, comprising a drilling machine, characterized in that, A U-shaped plate is fixedly installed on the upper side of the drilling machine table. The drilling structure also includes a support unit for clamping and limiting the thin-walled position of the lampshade, and a polishing unit for removing burrs from the hole edge. The support unit includes two vertically arranged abutment cylinders, which are coaxially arranged with the drill bit of the drilling machine. Supporting square rods are fixedly installed on both the front and rear sides of the abutment cylinders. The two lower supporting square rods are fixedly connected to the U-shaped plate, and the two upper supporting square rods are slidably connected to the drilling machine through a drive assembly. The polishing unit includes a movable plate that slides up and down on the lower side of the horizontal section of the U-shaped plate. A rotating column arranged coaxially with the drill bit of the drilling machine is provided on the right side of the movable plate through a connecting component. Two symmetrically arranged polishing parts are slidably arranged on the upper end of the rotating column along its radial direction. An actuation motor is fixedly installed on the movable plate. The inner sides of the support cylinder and the support rod are both provided with air channels, and high-speed airflow is pumped into the air channels to quickly blow away floating burrs and chips on the edge of the hole. During drilling, two abutment cylinders are clamped on the thin wall of the lampshade for support and limitation. After drilling, the rotating column is inserted into the hole and pushes the grinding part to contact the edge of the hole. The rotating column is rotated to make the grinding part grind the edge of the hole.

2. The automatic drilling structure for LED lampshade accessories according to claim 1, characterized in that, A limit strip is provided on the right side of the horizontal section of the U-shaped plate, which slides back and forth. An adjusting screw is rotatably provided on the U-shaped plate and is threadedly connected to the limit strip. A blocking screw is threadedly connected to the front side of the horizontal section of the U-shaped plate.

3. The automatic drilling structure for LED lampshade accessories according to claim 1, characterized in that, The drive assembly includes a cantilever frame fixedly installed on the drilling machine, a linkage plate fixedly installed between two supporting square rods on the upper part, and a No. 1 hydraulic cylinder fixedly installed on the cantilever frame with a telescopic section and fixedly connected to the linkage plate.

4. The automatic drilling structure for LED lampshade accessories according to claim 1, characterized in that, The connecting assembly includes a lower bracket fixedly installed on the left side of the movable plate, and an upper bracket vertically slidably mounted on the upper side of the lower bracket, which is rotatably connected to the rotating column.

5. The automatic drilling structure for LED lampshade accessories according to claim 4, characterized in that, The grinding component has a V-shaped structure on the side away from the axis of the rotating column, and a wedge-shaped structure on the side of the grinding component close to the axis of the rotating column. A drive rod is slidably mounted on the inner side of the rotating column at a position coaxial with the rotating column. The upper end of the drive rod is simultaneously slidably connected to the wedge-shaped structures of the two grinding components.

6. The automatic drilling structure for LED lampshade accessories according to claim 5, characterized in that, The lower end of the drive rod is rotatably connected to the lower bracket, a helical spring is provided between the upper bracket and the lower bracket, and a stop plate for blocking the upper bracket is fixedly installed on the right side of the horizontal section of the U-shaped plate.

7. The automatic drilling structure for LED lampshade accessories according to claim 5, characterized in that, A pulley is fixedly installed on the outside of the drive rod, and a belt is wound around the output shaft of the actuator motor and the pulley. A second hydraulic cylinder, which is fixedly connected to the telescopic section and the moving plate, is fixedly installed on the table of the drilling machine.

8. The automatic drilling structure for LED lampshade accessories according to claim 1, characterized in that, A pump cylinder is fixedly installed on the upper side of the horizontal section of the U-shaped plate, and the outlet of the air guide on the supporting square rod is connected to the upper inner area of ​​the pump cylinder through a hose.

9. The automatic drilling structure for LED lampshade accessories according to claim 8, characterized in that, The air guide channel inside the supporting square rod is in the shape of a straight hole, while the air guide channel inside the cylinder is in the shape of a spiral groove.

10. The automatic drilling structure for LED lampshade accessories according to claim 8, characterized in that, The pump cylinder is equipped with a reciprocating threaded cylinder that rotates inside. The reciprocating threaded cylinder is slidably connected to the output shaft of the actuator motor. A partition plate is fixedly installed on the upper inner side of the pump cylinder, dividing the inside of the pump cylinder into upper and lower regions. A thrust plate that is threadedly connected to the reciprocating threaded cylinder is slidably installed in the lower region of the pump cylinder. A one-way valve is connected to the thrust plate. The partition plate and the thrust plate are both equipped with an opening and closing assembly.

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