Adjustable loudspeaker drum paper blank pressing gasket punching equipment

Abstract

The invention relates to the technical field of loudspeaker drum paper blank pressing gasket punching, in particular to adjustable loudspeaker drum paper blank pressing gasket punching equipment which comprises a machine shell and a supporting plate fixedly connected to the machine shell, openings are formed in the four sides of the middle of the machine shell, and guide plates corresponding to the openings of the machine shell are fixedly connected to the two sides outside the machine shell. A punching head located over the supporting plate is installed on the inner side of the machine shell. The drum paper is punched through the punching head, then the material pushing rod and the movable block move downwards to push a punched drum paper edge pressing gasket to move downwards to be separated from the drum paper, the drum paper edge pressing gasket moves downwards to fall onto the limiting plate, the material pushing rod presses the drum paper edge pressing gasket onto the limiting plate, and then the drum paper edge pressing gasket is pressed onto the limiting plate. And then the ejector rod moves downwards to eject out the circular waste on the inner side of the drum paper edge pressing gasket to complete stripping, the steps are repeated, the punched drum paper edge pressing gasket can be disengaged from the drum paper continuously, the circular waste can be separated from the drum paper edge pressing gasket, and therefore the production efficiency is improved.

Description

Technical Field

[0001] This invention relates to the field of speaker drum paper edge pressing gasket punching technology, and more particularly to an adjustable speaker drum paper edge pressing gasket punching device. Background Technology

[0002] In the audio equipment manufacturing industry, loudspeakers are a key component for sound output, and their performance and quality are of paramount importance. Loudspeaker diaphragms, as an important part of the loudspeaker, require strict control at every step of their manufacturing process, especially the punching process for the diaphragm edge-pressing pads.

[0003] Chinese patent CN117601193A discloses a punching and cutting device for speaker drum paper edge-pressing pads, including a punching platform, a frame, a punching head, and a demolding assembly. The punching platform is equipped with a frame, and the punching head is movably mounted on the frame. A demolding assembly for demolding the edge-pressing pads after punching by the punching head is connected to one side of the punching head. The demolding assembly includes a first connecting plate connected to the side wall of the punching head and a demolding top block vertically installed on the side of the first connecting plate away from the punching head. Although the above patent can punch the drum paper into drum paper edge-pressing pads, the required drum paper edge-pressing pads are annular. Circular waste material remains on the inner circumference of the punched drum paper edge-pressing pads. The circular waste material and the drum paper edge-pressing pads are pressed down and separated from the drum paper, requiring manual peeling of the circular waste material inside the drum paper edge-pressing pads. This step not only increases the labor cost of production but also reduces production efficiency.

[0004] The present invention aims to solve the problems existing in the above-mentioned patents. To this end, an adjustable speaker drum paper edge-pressing pad punching device is proposed, which can not only separate the punched drum paper edge-pressing pad from the drum paper, but also separate the circular waste material from the drum paper edge-pressing pad, thereby improving production efficiency. Summary of the Invention

[0005] To overcome the drawback that circular waste material and the drum paper edge-pressing pad are pressed down together and separated from the drum paper, requiring subsequent manual peeling of the circular waste material inside the drum paper edge-pressing pad, which not only increases labor costs but also reduces production efficiency, this invention provides an adjustable speaker drum paper edge-pressing pad punching device that can separate the punched drum paper edge-pressing pad from the drum paper and also separate the circular waste material from the drum paper edge-pressing pad, thereby improving production efficiency.

[0006] This invention is achieved through the following technical solution:

[0007] An adjustable speaker drum paper pressing and gasket punching device includes a housing and a support plate fixed to the housing. The housing has openings on all four sides in the middle. Guide plates corresponding to the openings are fixed to both outer sides of the housing. A punching head is installed inside the housing, directly above the support plate. The device also includes a fixed frame, a guide plate, a push rod, a movable block, a compression spring, a push rod, a connecting spring, a drive assembly, a receiving assembly, a pushing assembly, and an adjustment assembly. A fixed frame is fixed to the left side of the guide plate on the housing. A guide plate is fixed between the two sides of the fixed frame for supporting and guiding the drum paper. A push rod, which is hollow, slides through the top of the fixed frame. A compression spring connects the push rod to the fixed frame. The push rod has uniform circumferential pressure along its upper edge. The device features a sliding connection with movable blocks at intervals. A top rod is vertically slidably connected to the push rod, and a connecting spring connects the top rod and the push rod. The spring force of the connecting spring is greater than that of the compression spring. A receiving assembly is provided on the fixed frame to receive the pushed-down drum paper edge-pressing pads. A driving assembly is installed on the fixed frame to drive the top rod to move. The top rod drives the push rod to move through the connecting spring. The push rod pushes down the drum paper edge-pressing pads, allowing the top rod to continue moving and push down the circular waste material inside the drum paper edge-pressing pads to complete the peeling process. A pushing assembly is installed on the push rod to drive the movable blocks to move. A positioning assembly is installed between the guide plate and the receiving assembly to position the drum paper and the drum paper edge-pressing pads.

[0008] Further explanation: the drive assembly includes a drive frame that is slidably connected between the two sides of the fixed frame. The inner side of the drive frame contacts the top end of the push rod to push the push rod downward. Cylinders are fixedly connected to the outer sides of the fixed frame, and the ends of the telescopic rods of the cylinders are fixedly connected to the drive frame.

[0009] Further explanation: The receiving assembly includes an inclined frame fixed between the two sides of the fixed frame to discharge the paper pressure pad after the waste material is peeled off. A swing frame located directly below the push rod is rotatably connected between the two sides of the fixed frame. The swing frame contacts the inclined frame. A tension spring is connected between the swing frame and the fixed frame. An L-shaped rod is fixed to the shaft of the swing frame. The end of the L-shaped rod contacts the drive frame. A limiting rod located below the swing frame is fixed to the inside of the fixed frame to support and limit the swing frame.

[0010] Further explanation: The pushing component includes a contact rod fixed to the top of the movable block. The contact rod is located inside the push rod. A ring is rotatably connected to the inner side of the push rod in the circumferential direction. U-shaped rods with an inclined arrangement are fixedly connected to the inner side of the ring in the circumferential direction at uniform intervals. The U-shaped rods are slidably connected to the contact rod to drive the contact rod to move. An arc-shaped rack is fixed to the inner side of the ring. A gear shaft that meshes with the arc-shaped rack is rotatably connected to the push rod.

[0011] Further explanation: The adjustment assembly includes a symmetrically sliding limiting plate mounted on the swing frame for supporting and limiting the pressure pad of the paper drum; a lead screw is rotatably connected to the bottom of the swing frame, with opposite threads on the front and rear sides of the lead screw; the lead screw is threadedly connected to the limiting plate; a positioning plate is symmetrically slidingly mounted on the guide plate for positioning and guiding the paper drum; an adjusting screw is rotatably connected to the bottom of the guide plate, with opposite threads on the front and rear sides of the adjusting screw; the adjusting screw is threadedly connected to the positioning plate.

[0012] Further explanation: The adjustable speaker drum paper pressing pad punching equipment also includes a support assembly. The support assembly includes an N-shaped plate that slides through a support plate. The N-shaped plate is located directly below the punching head. Guide rollers are symmetrically rotatably connected to the outer side of the N-shaped plate. A gap is provided between the guide rollers and the N-shaped plate for the drum paper to pass through and guide the drum paper. Guide rods are fixedly connected at even intervals at the bottom of the support plate. The guide rods slide through the N-shaped plate. A return spring is connected between the guide rod and the N-shaped plate. Electromagnetic rings are symmetrically installed on both sides of the N-shaped plate. The inner side of the electromagnetic rings is in magnetic contact with the guide rods. Pressure sensors are evenly installed on the N-shaped plate. A movable plate is installed between the top of the pressure sensors. The movable plate is slidably connected to the inner side of the N-shaped plate. A buffer assembly is provided at the bottom of the support plate to buffer the return of the N-shaped plate.

[0013] Further explanation: The buffer assembly includes a U-shaped plate symmetrically fixed to the bottom of the support plate, and rubber buffer blocks that are evenly spaced on the U-shaped plate and contact the n-shaped plate, which are used to buffer and protect the n-shaped plate.

[0014] Further explanation: The adjustable speaker drum paper pressing pad punching equipment also includes a transmitter and a receiver installed at even intervals inside the housing. The transmitter and receiver correspond to each other, and both the transmitter and receiver correspond to the opening of the housing and are located above the support plate. The receiver is electrically connected to the punching head.

[0015] The beneficial effects of this invention are as follows:

[0016] 1. The punching head punches the drum paper, and then the push rod and movable block move downward to push the punched drum paper edge pad downward to separate from the drum paper. The drum paper edge pad falls to the limit plate, and the push rod presses the drum paper edge pad into the limit plate. Then the push rod moves downward to push out the round waste material inside the drum paper edge pad to complete the peeling. This process is repeated to continuously separate the punched drum paper edge pad from the drum paper and also to separate the round waste material from the drum paper edge pad, thereby improving production efficiency.

[0017] 2. Under the action of the limiting plate and the positioning plate, the positioning plate can be adjusted to the position of the paper drum width, and the limiting plate can be adjusted to the position of limiting the paper drum edge pad. In this way, the paper drums of different widths and paper drum edge pads of different sizes can be limited.

[0018] 3. Under the action of the pressure sensor and the electromagnetic ring, whenever the pressure sensor detects the set pressure value of the punching head, the pressure sensor controls the electromagnetic ring to de-energize through the control module. The n-type plate then drives the paper drum to move downward through the guide roller. The paper drum and the punching head move downward synchronously. In this way, punching of paper drums of different thicknesses can be completed under the same pressure value, thereby improving adaptability. Attached Figure Description

[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0020] Figure 2 This is a three-dimensional structural diagram of the punching head, adjusting screw, and positioning plate of the present invention.

[0021] Figure 3 This is a three-dimensional structural diagram of the push rod and top rod of the present invention.

[0022] Figure 4 This is a three-dimensional structural diagram of the driving component of the present invention.

[0023] Figure 5 This is a three-dimensional structural diagram of the limiting rod and adjusting assembly of the present invention.

[0024] Figure 6 This is a three-dimensional structural diagram of the support component of the present invention.

[0025] Figure 7 This is a three-dimensional structural diagram of the pressure sensor and electromagnetic ring of the present invention.

[0026] Figure 8 This is a three-dimensional structural diagram of the transmitter and receiver of the present invention.

[0027] Explanation of reference numerals in the attached drawings: 1-Machine housing, 2-Support plate, 3-Guide plate, 4-Punching head, 7-Fixing frame, 8-Return plate, 9-Push rod, 10-Moving block, 11-Compression spring, 12-Top rod, 13-Connecting spring, 14-Drive frame, 141-Cylinder, 15-Slanted frame, 151-Swing frame, 1511-Limit rod, 152-Tension spring, 153-L-shaped rod, 16-Contact rod, 161-Ring, 1 62-U-shaped rod, 163-arc rack, 164-gear shaft, 17-limiting plate, 171-lead screw, 172-positioning plate, 173-adjusting screw, 18-n-shaped plate, 1801-guide roller, 181-moving plate, 1811-pressure sensor, 182-guide rod, 183-reset spring, 184-electromagnetic ring, 185-U-shaped plate, 186-rubber buffer block, 19-transmitter, 20-receiver. Detailed Implementation

[0028] First, it should be noted that in different described embodiments, the same components are given the same reference numerals or the same component names. The disclosure contained throughout this specification can be applied semantically to the same components having the same reference numerals or the same component names. The location descriptions selected in the specification, such as upper, lower, and lateral, also refer to the directly described and illustrated figures and are semantically applied to the new location when the location changes.

[0029] Example: An adjustable loudspeaker drum diaphragm pressing and cutting device, please refer to [link / reference]. Figures 1-5 As shown, the device includes a housing 1 and a support plate 2 fixed to the middle of the housing 1. Openings are located on all four sides of the middle of the housing 1. Guide plates 3 are fixed to the middle of the left and right sides of the housing 1, corresponding to the openings on the left and right sides of the housing 1. A punching head 4 is installed in the center of the top inside the housing 1, located directly above the support plate 2. The device also includes a fixed frame 7, a return plate 8, a push rod 9, a movable block 10, a compression spring 11, a push rod 12, a connecting spring 13, and a drive assembly. The machine housing 1 consists of a receiving assembly, a pushing assembly, and an adjusting assembly. A fixed frame 7 is fixedly attached to the lower left side of the outer side of the housing 1. The upper part of the fixed frame 7 is located to the left of the left guide plate 3. A return plate 8 is fixedly attached between the upper parts of the front and rear sides of the fixed frame 7. The return plate 8 can support and guide the paper drum. A push rod 9 is slidably inserted through the middle of the top of the fixed frame 7. The push rod 9 is hollow. A compression spring 11 is connected between the upper part of the push rod 9 and the top of the outer side of the fixed frame 7. The lower part of the push rod 9 slides evenly along the circumference. The device is connected to six movable blocks 10. A top rod 12 is vertically slidably connected to the middle of the push rod 9. A connecting spring 13 is connected between the upper part of the top rod 12 and the upper inner side of the push rod 9. The elastic force of the connecting spring 13 is greater than that of the compression spring 11. A receiving component is provided inside the fixed frame 7. The receiving component can receive the pushed-down drum paper edge pad. A driving component is installed on the outer side of the fixed frame 7. The driving component is used to drive the top rod 12 to move downward. The top rod 12 drives the push rod 9 to move downward through the connecting spring 13. The downward movement of the push rod 9 pushes down the drum paper edge pad, so that the top rod 12 can continue to move downward to push down the circular waste material inside the drum paper edge pad to complete the peeling. The pushing component is installed on the push rod 9. When the pushing component is in operation, it can drive the movable block 10 to move. The positioning component is installed between the guide plate 3 and the receiving component. When the positioning component is in operation, it can position the drum paper and the drum paper edge pad.

[0030] Please see Figure 3As shown, the drive assembly includes a drive frame 14 and a cylinder 141. The drive frame 14 is vertically slidably connected between the upper parts of the front and rear sides of the fixed frame 7. The top of the drive frame 14 contacts the top of the push rod 12. When the drive frame 14 moves downward, it can push the push rod 12 downward. The cylinder 141 is fixedly connected to the upper left side of the front and rear sides of the fixed frame 7. The telescopic rod ends of the cylinders 141 on the front and rear sides are fixedly connected to the front and rear sides of the lower part of the drive frame 14, respectively.

[0031] Please see Figure 3 and Figure 5 As shown, the receiving assembly includes a slanted frame 15, a swing frame 151, a limiting rod 1511, a tension spring 152, and an L-shaped rod 153. The slanted frame 15 is fixedly connected between the lower left sides of the front and rear sides of the fixed frame 7. The slanted frame 15 can discharge the paper pressure pad after peeling off the waste material. The swing frame 151 is rotatably connected between the upper parts of the front and rear sides of the fixed frame 7. The swing frame 151 is located directly below the push rod 9. The left side of the swing frame 151 contacts the inner side of the slanted frame 15, and the left side of the front and rear sides of the swing frame 151 is... Tension springs 152 are connected to the upper part of the front and rear sides of the fixed frame 7 respectively. L-shaped rods 153 are fixed to the shafts on the front and rear sides of the swing frame 151. The ends of the L-shaped rods 153 on the front and rear sides respectively contact the inner sides of the front and rear sides of the drive frame 14. Limiting rods 1511 are fixed between the right sides of the front and rear sides of the fixed frame 7. The limiting rods 1511 are located below the swing frame 151. When the swing frame 151 swings to a horizontal state, the limiting rods 1511 can support and limit the swing frame 151.

[0032] Please see Figure 4 As shown, the pushing assembly includes a contact rod 16, a ring 161, a U-shaped rod 162, an arc-shaped rack 163, and a gear shaft 164. Contact rods 16 are fixedly connected to the top of each of the six movable blocks 10 near the top rod 12. The contact rods 16 are located inside the push rod 9. A ring 161 is rotatably connected to the lower inner part of the push rod 9. Six U-shaped rods 162 are evenly spaced and fixedly connected to the inner side of the ring 161. The U-shaped rods 162 are inclined, and their inner sides are slidably connected to the six contact rods 16 respectively. When the U-shaped rods 162 rotate, they can drive the contact rods 16 to move. An arc-shaped rack 163 is fixedly connected to the inner side of the ring 161. A gear shaft 164 is rotatably connected to the lower rear side of the push rod 9, and the gear shaft 164 meshes with the arc-shaped rack 163.

[0033] Please see Figure 5As shown, the adjustment assembly includes a limit plate 17, a lead screw 171, a positioning plate 172, and an adjusting screw 173. The limit plate 17 is symmetrically slidably mounted on the swing frame 151. When the paper pressing pad is pushed down, the limit plate 17 can support and limit the paper pressing pad. The lead screw 171 is rotatably connected to the bottom right side of the swing frame 151. The threads on the front and back sides of the lead screw 171 are opposite. The lead screw 171 is threadedly connected to the right side of the front and back limit plates 17. The positioning plates 172 are symmetrically slidably mounted on the left and right guide plates 3. The positioning plates 172 can position and guide the paper. The adjusting screw 173 is rotatably connected to the bottom of the left and right guide plates 3 at positions far apart from each other. The threads on the front and back sides of the adjusting screw 173 are opposite. The adjusting screw 173 is threadedly connected to the lower part of the front and back positioning plates 172.

[0034] Initially, the tension spring 152 is in the stretched state. First, the adjusting screw 173 is turned, which drives the positioning plates 172 on both sides to move inward and outward simultaneously. When the positioning plates 172 move to the appropriate position for guiding and limiting the paper drum, the adjusting screw 173 is stopped, and the positioning plates 172 stop moving. At the same time, the gear shaft 164 is turned alternately in both directions. The gear shaft 164 drives the ring 161 to rotate alternately in both directions through the arc rack 163. The ring 161 drives the U-shaped rod 162 to rotate alternately in both directions. The U-shaped rod 162 drives the contact rod 16 to move inward and outward. The contact rod 16 drives the movable block 10 to move inward and outward. When the movable block 10 moves inward and outward to the appropriate position for pushing down the paper drum pressing pad, the gear shaft 164 is stopped, and the movable block 10 stops moving. Stop moving the paper, then twist the screw 171 to rotate and drive the front and rear limit plates 17 to move inward and outward simultaneously. When the limit plates 17 move to the position that limits the paper pressing pad, stop twisting the screw 171. In this way, the paper pressing pads of different widths and sizes can be limited, thereby improving adaptability. Then, place a collection container in the fixed frame 7 and below the swing frame 151. Then, pull the paper head end on the conveyor to move to the left, through the openings on the left and right sides of the machine housing 1, and move it between the guide plate 3 and the support plate 2. The paper is then between the front and rear positioning plates 172. Then, start the punching head 4 to move downward and contact the paper. The punching head 4 punches the paper, so that the paper pressing pad is punched out on the paper. After the paper is punched, the punching head 4 moves upward. The device resets, then starts the conveyor to move the paper drum to the left, so that the next position of the paper drum is directly below the punching head 4 and punched. The leftward movement of the paper drum causes the punched paper drum edge pad to move to the left. This process is repeated, allowing the paper drum to continuously move to the left and be punched. When the paper drum edge pad moves to the left and is directly below the push rod 9, the paper drum contacts the return plate 8 and is supported and limited. Then, whenever the punching head 4 moves downward to punch the paper drum, the cylinder 141 is activated. The extension rod of the cylinder 141 extends, causing the drive frame 14 to move downward. The drive frame 14 moves downward and disengages from the L-shaped rod 153. Due to the action of the tension spring 152, the swing frame 151 rotates forward and comes into contact with the limit rod 1511. The limit rod 1511 then engages the swing frame 151. 51 is limited. The swing frame 151 rotates forward and drives the L-shaped rod 153 to swing downward to a suitable position. At the same time, the drive frame 14 moves downward, driving the push rod 12 downward. Since the elastic force of the connecting spring 13 is greater than that of the compression spring 11, the push rod 12 moves downward first through the connecting spring 13, driving the push rod 9 downward. The compression spring 11 is compressed. The push rod 9 moves downward, driving the movable block 10 downward. The movable block 10 and the push rod 9 move downward, pushing the punched paper pressure pad off the paper to complete the demolding. The pushed-off paper pressure pad falls downward into the swing frame 151 and contacts the limiting plate 17. The limiting plate 17 contacts the paper pressure pad, and the push rod 9 presses the paper pressure pad onto the limiting plate 17. The push rod 9 then stops moving downward.As the push rod 12 continues to move downward, it compresses the connecting spring 13. The push rod 12 then moves downward and contacts the circular waste material inside the paper pressure pad. The push rod 12 pushes the circular waste material downward, peeling it off from the paper pressure pad. The peeled circular waste material falls downward into the collection container. Subsequently, the cylinder 141 drives the drive frame 14 to move upward and reset, stopping the push rod 12. Due to the action of the connecting spring 13, the push rod 12 first moves upward and retracts into the push rod 9. Then, due to the action of the compression spring 11, the push rod 9 moves upward and resets, driving the movable block 10 to move upward and reset. The movable block 10 and the push rod 9 then reset. All contact between the paper drum pressing pads and the circular waste material is broken. Simultaneously, the drive frame 14 moves upward and resets to contact the L-shaped rod 153. The drive frame 14 drives the L-shaped rod 153 to swing upward. The L-shaped rod 153 drives the swing frame 151 to reverse and reset to an inclined state. The tension spring 152 is stretched, and the paper drum pressing pads that have been broken off from the circular waste material slide off the swing frame 151 into the inclined frame 15. The paper drum pressing pads inside the inclined frame 15 fall and are collected. This process is repeated, continuously separating the punched paper drum pressing pads from the paper drum, and also separating the circular waste material from the paper drum pressing pads, thereby improving production efficiency. After all the paper drums have been punched, the punching head 4 and cylinder 141 are closed, allowing for further processing of the paper drum pressing pads and circular waste material.

[0035] Please see Figure 6 and Figure 7As shown, the adjustable speaker drum paper pressing pad punching equipment also includes a support assembly mounted on the support plate 2. The support assembly includes an n-shaped plate 18, a guide roller 1801, a movable plate 181, a pressure sensor 1811, a guide rod 182, a return spring 183, an electromagnetic ring 184, and a buffer assembly. The n-shaped plate 18 is vertically slidably connected to the support plate 2. The n-shaped plate 18 is located directly below the punching head 4. The guide roller 1801 is symmetrically rotatably connected to the top of the n-shaped plate 18. A gap is provided between the guide roller 1801 and the n-shaped plate 18 for the drum paper to pass through. The guide roller 1801 can guide the drum paper. Four guide rods 182 are evenly spaced and fixed to the bottom of the support plate 2. The four guide rods 182 slide through the lower part of the n-shaped plate 18. A return spring 183 is connected between the lower part of the guide rod 182 and the bottom of the n-shaped plate 18. Electromagnetic rings 184 are symmetrically installed on both the left and right sides, with the inner side of the electromagnetic rings 184 in magnetic contact with the guide rod 182. Four pressure sensors 1811 are evenly spaced on the top of the n-shaped plate 18, and a movable plate 181 is installed between the tops of the four pressure sensors 1811. The movable plate 181 is slidably connected to the inner side of the n-shaped plate 18. A buffer assembly is provided at the bottom of the support plate 2. When the buffer assembly is in operation, it can buffer the n-shaped plate 18 to reset. The buffer assembly includes a U-shaped plate 185 and rubber buffer blocks 186. The U-shaped plates 185 are symmetrically fixed to the bottom of the support plate 2, and four rubber buffer blocks 186 are evenly spaced on the bottom of the U-shaped plates 185 on both sides. The rubber buffer blocks 186 are in contact with the lower part of the n-shaped plate 18. When the n-shaped plate 18 moves and resets, the rubber buffer blocks 186 can buffer and protect the n-shaped plate 18.

[0036] When the paper drum needs to be punched, the electromagnetic ring 184 is activated. The electromagnetic ring 184 magnetically adheres to the guide rod 182, fixing the n-shaped plate 18. Then, the paper drum head is pulled to the left and placed between the guide plate 3 and the support plate 2, so that the paper drum head passes between the guide roller 1801 and the n-shaped plate 18. When the punching head 4 moves downward to punch the paper drum, the pressure of the punching head 4 drives the movable plate 181 downward through the paper drum. The movable plate 181 moves downward to test the pressure sensor 1811. The pressure sensor 1811 detects the pressure applied by the punching head 4. When the pressure value reaches the set value, the pressure sensor 1811 controls the electromagnetic ring 184 to be de-energized through the control module. The electromagnetic ring 184 stops adhering to the guide rod 182, and the punching head 4 continues to move downward, driving the n-shaped plate 18 downward through the paper drum. The return spring 183 is compressed, and the n-shaped plate 18... The n-shaped plate 18 moves downwards and disengages from the rubber buffer block 186. The guide roller 1801 drives the paper drum downwards, and the paper drum and the cutting head 4 move downwards synchronously. The cutting head 4 stops cutting the paper drum, and simultaneously, the n-shaped plate 18 drives the electromagnetic ring 184 downwards, sliding on the guide rod 182. Then, the cutting head 4 moves upwards to reset and disengage from the paper drum. Due to the action of the return spring 183, the n-shaped plate 18 moves upwards to reset, driving the electromagnetic ring 184 upwards to reset as well. The n-shaped plate 18 then contacts the rubber buffer block 186, which cushions the reset of the n-shaped plate 18 to prevent excessive force from causing strong vibrations and damage, thus ensuring the safety of the n-shaped plate 18. The reset of the n-shaped plate 18 also drives the paper drum upwards via the guide roller 1801, and the electromagnetic ring 184 reactivates and adheres to the guide rod 182. In this way, cutting of paper drums of different thicknesses can be completed under the same pressure value, thereby improving adaptability.

[0037] Please see Figure 8 As shown, the adjustable speaker drum paper pressing pad punching equipment also includes a transmitter 19 and a receiver 20. Four transmitters 19 and four receivers 20 are evenly spaced on the upper inner side of the housing 1. The four transmitters 19 correspond to the four receivers 20 respectively. The transmitters 19 and receivers 20 are both located above the opening of the housing 1 and above the support plate 2. The receivers 20 are electrically connected to the punching head 4.

[0038] When the cutting head 4 cuts the drum paper, the transmitter 19 is activated, emitting a laser beam that shines onto the receiver 20. The receiver 20 receives the laser beam, and the transmitter 19 and receiver 20 work together to provide protection on all four sides of the casing 1. When the operator's hand comes into contact with the laser beam, the laser is blocked, and the receiver 20 does not receive all of the laser beam. The receiver 20 then controls the cutting head 4 to shut down via the control module, stopping the cutting of the drum paper. When the operator's hand is not in contact with the laser beam, the entire laser beam shines onto the receiver 20, which then controls the cutting head 4 to continue cutting the drum paper via the control module. Once all the drum paper has been cut, the transmitter 19 is turned off. This prevents the operator's hand from being cut by the cutting head 4 when it moves into the cutting area, thus ensuring the operator's hand safety.

[0039] Finally, it is necessary to note that the above content is only used to help understand the technical solution of the present invention and should not be construed as a limitation on the scope of protection of the present invention; any non-essential improvements and adjustments made by those skilled in the art based on the above content of the present invention are all within the scope of protection claimed by the present invention.

Claims

1. An adjustable loudspeaker drum paper pressing pad punching device, comprising a housing (1) and a support plate (2) fixed to the housing (1), wherein openings are provided on all four sides of the middle of the housing (1), and guide plates (3) corresponding to the openings of the housing (1) are fixed to both outer sides of the housing (1), and a punching head (4) located directly above the support plate (2) is installed on the inner side of the housing (1), characterized in that, It also includes a fixed frame (7), a return plate (8), a push rod (9), a movable block (10), a compression spring (11), a top rod (12), a connecting spring (13), a drive assembly, a receiving assembly, a pushing assembly, and an adjustment assembly. The fixed frame (7) located on the left side of the guide plate (3) is fixedly connected to the housing (1). The return plate (8) is fixed between the two sides inside the fixed frame (7) for supporting and guiding the paper drum. The push rod (9) is slidably connected to the top of the fixed frame (7). The push rod (9) is hollow. The compression spring (11) is connected between the push rod (9) and the fixed frame (7). Movable blocks (10) are slidably connected to the push rod (9) at even intervals along the circumference. The top rod (12) is vertically slidably connected to the push rod (9). The top rod (12) is connected to the push rod (9). A connecting spring (13) is connected between the rods (9). The elastic force of the connecting spring (13) is greater than that of the compression spring (11). A receiving component is provided on the fixed frame (7) for receiving the pushed-down drum paper edge pad. A driving component is installed on the fixed frame (7). The driving component is used to drive the top rod (12) to move. The top rod (12) drives the push rod (9) to move through the connecting spring (13). The push rod (9) pushes down the drum paper edge pad on the drum paper so that the top rod (12) continues to move and pushes down the circular waste material inside the drum paper edge pad to complete the peeling. The pushing component is installed on the push rod (9) for driving the movable block (10) to move. The positioning component is installed between the guide plate (3) and the receiving component for positioning the drum paper and the drum paper edge pad.

2. The adjustable loudspeaker drum paper pressing and cutting device according to claim 1, characterized in that, The drive assembly includes a drive frame (14) that is slidably connected between the two sides of the fixed frame (7). The inner side of the drive frame (14) contacts the top of the push rod (12) to push the push rod (12) to move downward. Cylinders (141) are fixedly connected to the outer sides of the fixed frame (7). The telescopic rod end of the cylinder (141) is fixedly connected to the drive frame (14).

3. An adjustable loudspeaker drum paper pressing and cutting device according to claim 2, characterized in that, The receiving assembly includes an inclined frame (15) fixed between the two sides of the fixed frame (7) to discharge the paper pressure pad after peeling off the waste material. A swing frame (151) located directly below the push rod (9) is rotatably connected between the two sides of the fixed frame (7). The swing frame (151) contacts the inclined frame (15). A tension spring (152) is connected between the swing frame (151) and the fixed frame (7). An L-shaped rod (153) is fixed to the shaft of the swing frame (151). The end of the L-shaped rod (153) contacts the drive frame (14). A limiting rod (1511) located below the swing frame (151) is fixed to the inside of the fixed frame (7) to support and limit the swing frame (151).

4. An adjustable loudspeaker drum paper pressing and cutting device according to claim 3, characterized in that, The pushing assembly includes a contact rod (16) fixed to the top of the movable block (10). The contact rod (16) is located inside the push rod (9). A ring (161) is rotatably connected to the inner side of the push rod (9) in the circumferential direction. U-shaped rods (162) are fixedly fixed at even intervals in the circumferential direction on the inner side of the ring (161). The U-shaped rods (162) are slidably connected to the contact rod (16) to drive the contact rod (16) to move. An arc-shaped rack (163) is fixedly connected to the inner side of the ring (161). A gear shaft (164) that meshes with the arc-shaped rack (163) is rotatably connected to the push rod (9).

5. An adjustable loudspeaker drum paper pressing and cutting device according to claim 4, characterized in that, The adjustment assembly includes a symmetrical sliding limit plate (17) mounted on the swing frame (151) for supporting and limiting the pressure pad of the paper drum. The bottom of the swing frame (151) is rotatably connected to a lead screw (171). The threads on the front and rear sides of the lead screw (171) are opposite. The lead screw (171) is threadedly connected to the limit plate (17). A positioning plate (172) is symmetrically slidingly connected to the guide plate (3) for positioning and guiding the paper drum. The bottom of the guide plate (3) is rotatably connected to an adjustment screw (173). The threads on the front and rear sides of the adjustment screw (173) are opposite. The adjustment screw (173) is threadedly connected to the positioning plate (172).

6. An adjustable loudspeaker drum paper pressing and cutting device according to claim 5, characterized in that, The adjustable loudspeaker drum paper pressing pad punching equipment also includes a support assembly, which includes an n-shaped plate (18) that slides through the support plate (2). The n-shaped plate (18) is located directly below the punching head (4). Guide rollers (1801) are symmetrically rotatably connected to the outer side of the n-shaped plate (18). A gap is provided between the guide rollers (1801) and the n-shaped plate (18) for the drum paper to pass through, which is used to guide the drum paper. Guide rods (182) are fixedly connected at even intervals at the bottom of the support plate (2). The guide rods (182) slide through the n-shaped plate (18). A reset spring (183) is connected between the rod (182) and the n-shaped plate (18). Electromagnetic rings (184) are symmetrically installed on both sides of the n-shaped plate (18). The inner side of the electromagnetic rings (184) is in magnetic contact with the guide rod (182). Pressure sensors (1811) are evenly spaced on the n-shaped plate (18). A movable plate (181) is installed between the tops of the pressure sensors (1811). The movable plate (181) is slidably connected to the inner side of the n-shaped plate (18). A buffer assembly is provided at the bottom of the support plate (2) to buffer the reset of the n-shaped plate (18).

7. An adjustable loudspeaker drum paper pressing and cutting device according to claim 6, characterized in that, The buffer assembly includes a U-shaped plate (185) symmetrically fixed to the bottom of the support plate (2), and rubber buffer blocks (186) that are evenly spaced on the U-shaped plate (185) and contact the n-shaped plate (18) are fixed to it for buffering and protecting the n-shaped plate (18).

8. An adjustable loudspeaker drum paper pressing and cutting device according to claim 7, characterized in that, The adjustable loudspeaker drum paper pressing pad punching equipment also includes a transmitter (19) and a receiver (20) installed at even intervals on the inside of the housing (1). The transmitter (19) and the receiver (20) correspond to each other. Both the transmitter (19) and the receiver (20) correspond to the opening of the housing (1) and are located above the support plate (2). The receiver (20) is electrically connected to the punching head (4).

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