A plate round knife cutting equipment

Abstract

This utility model relates to a circular blade cutting device for sheet metal, comprising a roller conveyor, a frame, and a receiving and temporary storage trolley arranged in sequence. The frame is equipped with three sets of worm gear screw lifting mechanisms and hollow shaft geared motors. An upper circular cutting roller is mounted at the bottom of the middle set of worm gear screw lifting mechanisms, and an upper conveying roller is mounted at the bottom of each of the other two sets of worm gear screw lifting mechanisms. A lower circular cutting roller, two lower conveying rollers, and a drive shaft are rotatably mounted in the frame. The middle part of the drive shaft is connected to the hollow shaft of the hollow shaft geared motor via a key. The drive shaft and the two lower conveying rollers are driven by a chain drive mechanism. The drive shaft, the lower circular cutting roller, and the upper circular cutting roller are driven by a gear pair one. The lower conveying roller is driven by an upper conveying roller located directly above it via a gear pair two. The advantages are: it enables continuous cutting of sheet metal, and the hollow shaft geared motor drive replaces manual foot operation, reducing the labor intensity of workers.

Description

Technical Field

[0001] This utility model relates to the field of sheet metal cutting equipment, and in particular to a sheet metal circular knife cutting equipment. Background Technology

[0002] In PCB manufacturing, large copper-clad laminates need to be cut into the required sizes before subsequent production processes. Currently, foot-operated shearing machines are used for cutting copper-clad laminates. Workers place the part of the copper-clad laminate to be cut between the upper and lower blades, and then step on the foot pedal to move the upper blade downwards to cooperate with the lower blade in cutting the copper-clad laminate. The advantages of foot-operated shearing machines are their simple structure and lack of electrical drive. However, the problems are: 1. Only one copper-clad laminate can be cut at a time, and continuous cutting operations are not possible; 2. The cutting power source relies entirely on the worker's foot pedal, resulting in high labor intensity for the worker. Utility Model Content

[0003] The purpose of this utility model is to overcome the above-mentioned problems existing in the prior art and to provide a plate circular knife cutting device.

[0004] To achieve the above-mentioned technical objectives and effects, this utility model is implemented through the following technical solution:

[0005] A circular blade cutting device for sheet metal includes a roller conveyor, a frame, and a material receiving and temporary storage trolley arranged in sequence.

[0006] The frame is equipped with three sets of worm gear screw lifting mechanisms and hollow shaft geared motors. The bottom of the middle set of worm gear screw lifting mechanisms is fitted with an upper circular cutting roller, while the bottom of each of the other two sets of worm gear screw lifting mechanisms is fitted with an upper conveying rubber roller. A lower circular cutting roller, two lower conveying rubber rollers, and a drive shaft are rotatably mounted in the frame. The middle of the drive shaft is keyed to the hollow shaft of the hollow shaft geared motor. The drive shaft and the two lower conveying rubber rollers are driven by a chain drive mechanism. The drive shaft, the lower circular cutting roller, and the upper circular cutting roller are driven by a gear pair one. The lower conveying rubber roller and the upper conveying rubber roller directly above it are driven by a gear pair two.

[0007] Each set of worm gear screw lifting mechanisms includes two worm gear screw jacks, a transmission rod, and a bearing housing. The two ends of the transmission rod are connected to the worms of the two worm gear screw jacks by couplings. A bearing housing is installed at the bottom of the screw of each worm gear screw jack, and a bearing is installed in the bearing housing. The upper cutter roller shaft of the upper circular cutting guide roller is interference-fitted into the inner ring of the bearing of the middle set of worm gear screw lifting mechanisms, and the rubber roller shaft of the upper conveying rubber roller is interference-fitted into the inner ring of the bearing of either of the two sets of worm gear screw lifting mechanisms.

[0008] In this worm gear screw jack, the end of the worm furthest from the transmission rod is connected to an extension rod via a coupling, and a handwheel is mounted on the extension rod.

[0009] The worm gear screw jack is equipped with a dial indicator on its top, and the measuring head of the dial indicator abuts against the top of the screw of the worm gear screw jack.

[0010] The upper circular cutter roller includes a cylindrical upper cutter roller shaft, a cylindrical upper cutter roller cylinder, and multiple annular upper circular cutters. The upper cutter roller shaft is welded into the upper cutter roller cylinder, and the upper circular cutters are sleeved on the upper cutter roller cylinder. A set screw is screwed onto the upper circular cutter, and the tail end of the set screw abuts against the outer wall of the upper cutter roller cylinder.

[0011] The lower circular cutter roller includes a cylindrical lower cutter roller shaft, a cylindrical lower cutter roller cylinder, and multiple annular lower circular cutters. The lower cutter roller shaft is welded inside the lower cutter roller cylinder, and the lower circular cutters are sleeved on the lower cutter roller cylinder. A second set screw is screwed onto the lower circular cutter, and the tail end of the second set screw abuts against the outer wall of the lower cutter roller cylinder.

[0012] The beneficial effects of this utility model are as follows: The upper conveying roller, lower conveying roller, upper circular cutter roller, and lower circular cutter roller are driven to rotate by a hollow shaft geared motor. The upper and lower conveying rollers work together to convey the sheet material, while the upper and lower circular cutter rollers work together to cut the sheet material. Workers push the sheet material one piece at a time along the roller conveyor to the space between the upper and lower conveying rollers on one side of the frame, allowing for continuous input and cutting of the sheet material. Furthermore, the hollow shaft geared motor drive replaces manual foot pedaling, reducing the labor intensity of workers. Attached Figure Description

[0013] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, illustrate exemplary embodiments of the present invention and, together with the description thereof, serve to explain the present invention and do not constitute an undue limitation thereof. In the drawings:

[0014] Figure 1 This is a schematic diagram of the plate cutting device with a circular knife, viewed from the front side.

[0015] Figure 2 This is a schematic diagram of the plate cutting device with a circular knife, viewed from the side and rear.

[0016] Figure 3 This is a schematic diagram of the frame area of ​​the plate circular knife cutting equipment in this utility model;

[0017] Figure 4 This is a schematic diagram of the structure of the upper circular cutting roller and the lower circular cutting roller in this utility model;

[0018] Figure 5 This is a schematic diagram of the material receiving and temporary storage handcart in this utility model;

[0019] Figure 6 This is a schematic diagram of the chain drive mechanism in this utility model;

[0020] Figure 7 This is a schematic diagram of the structure of gear pair 1 in this utility model;

[0021] Figure 8 This is a schematic diagram of the structure of gear pair two in this utility model;

[0022] Explanation of the labels in the diagram: 1. Roller conveyor; 101. Conveyor support; 102. Conveyor roller; 2. Frame; 3. Material receiving and temporary storage trolley; 301. Trolley frame; 302. Panel; 303. Casters; 304. U-shaped handle; 4. Worm gear screw lifting mechanism; 401. Worm gear screw lifting mechanism; 402. Transmission rod; 403. Bearing seat; 404. Extension rod; 405. Handwheel; 406. Dial indicator; 5. Hollow shaft geared motor; 6. Upper circular cutter roller; 601. Upper cutter roller shaft; 602. Upper circular cutter... 603, upper conveying rubber roller 7, lower circular cutting roller 8, lower cutting roller shaft 801, lower cutting roller 802, lower circular cutting blade 803, lower conveying rubber roller 9, drive shaft 10, chain drive mechanism 11, drive sprocket 1101, driven sprocket 1102, chain 1103, gear pair 12, drive gear 1201, transition gear 1202, driven gear 1203, driven gear 2 1204, gear pair 2 13, drive gear 2 1301, driven gear 3 1302. Detailed Implementation

[0023] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0024] like Figures 1 to 8 As shown, a plate cutting device with a circular knife includes a roller conveyor 1, a frame 2, and a material receiving and temporary storage trolley 3 arranged in sequence.

[0025] The frame 2 is equipped with three sets of worm gear screw lifting mechanisms 4 and hollow shaft reduction motors 5. A top circular cutter roller 6 is mounted at the bottom of the middle set of worm gear screw lifting mechanisms 4, and a top conveyor roller 7 is mounted at the bottom of each of the other two sets of worm gear screw lifting mechanisms 4. A bottom circular cutter roller 8, two bottom conveyor rollers 9, and a drive shaft 10 are rotatably mounted in the frame 2. The middle part of the drive shaft 10 is connected to the hollow shaft of the hollow shaft reduction motor 5 via a key. The top circular cutter roller 6 is located directly above the bottom circular cutter roller 8, and each bottom conveyor roller 9 is directly above a corresponding top conveyor roller 7.

[0026] The drive shaft 10 is driven by the two lower conveying rubber rollers 9 through a chain drive mechanism 11. Specifically, the chain drive mechanism 11 includes a drive sprocket 1101, two driven sprockets 1102, and a chain 1103. The drive sprocket 1101 is keyed to one end of the drive shaft 10, and the driven sprockets 1102 are keyed to one end of the rubber roller shaft of the lower conveying rubber rollers 9. The chain 1103 engages with both the drive sprocket 1101 and the driven sprockets 1102.

[0027] The drive shaft 10 is driven by the lower circular cutter roller 8 and the upper circular cutter roller 6 through a gear pair 12. Specifically, the gear pair 12 includes a drive gear 1201, an intermediate gear 1202, a driven gear 1203, and a driven gear 2 1204 that mesh in sequence. The drive gear 1201 is keyed to one end of the drive shaft 10. A rotating shaft is installed at one end of the frame 2. The intermediate gear 1202 is rotatably mounted on the rotating shaft. The driven gear 1203 is keyed to one end of the upper cutter roller shaft of the lower circular cutter roller 8, and the driven gear 2 1204 is keyed to one end of the upper cutter roller shaft of the upper circular cutter roller 6.

[0028] The lower conveying roller 9 and the upper conveying roller 7 located directly above it are driven by a gear pair 13. Specifically, the gear pair 13 includes a meshing driving gear 1301 and a driven gear 1302. The driving gear 1301 is keyed to the roller shaft head of the lower conveying roller 9, and the driven gear 1302 is keyed to the roller shaft head of the upper conveying roller 7.

[0029] The hollow shaft geared motor 5 drives the drive shaft 10 to rotate, which in turn drives the lower circular cutting roller 8 and the upper circular cutting roller 6 to rotate through the gear pair 12. This causes the lower circular cutting roller 8 and the upper circular cutting roller 6 to rotate synchronously in opposite directions to cut the board. The hollow shaft geared motor 5 also drives the drive shaft 10 to rotate, which in turn drives the two lower conveying rollers 9 to rotate through the chain transmission mechanism 11. The two lower conveying rollers 9 drive the upper conveying roller 7 to rotate through the gear pair 13. This allows the upper conveying roller 7 to cooperate with the lower conveying roller 9 so that the board is cut between the lower circular cutting roller 8 and the upper circular cutting roller 6.

[0030] Each set of worm gear screw lifting mechanisms 4 includes two worm gear screw jacks 401, a transmission rod 402, and a bearing seat 403. The two ends of the transmission rod 402 are respectively connected to the worms of the two worm gear screw jacks 401 by couplings. A bearing seat 403 is installed at the bottom of the screw of each worm gear screw jack 401. A bearing is installed in the bearing seat 403. The upper cutter roller shaft head of the upper circular cutting guide roller 6 is interference-fitted in the inner ring of the bearing of the middle set of worm gear screw lifting mechanisms 4. The rubber roller shaft head of the upper conveying rubber roller 7 is interference-fitted in the inner ring of the bearing of either set of worm gear screw lifting mechanisms 4 on both sides.

[0031] The worm of the worm gear screw jack 401, away from the transmission rod 402, is connected to an extension rod 404 via a coupling. A handwheel 405 is mounted on the extension rod 404. Rotating the handwheel 405 causes the worms of the two worm gear screw jacks 401 in the same set of worm gear screw jack mechanisms 4 to rotate synchronously under the transmission action of the transmission rod 402, thereby adjusting the screw height of the worm gear screw jack 401. This, in turn, allows adjustment of the distance between the upper and lower circular cutting rollers and the distance between the upper and lower conveying rubber rollers 7, based on the required thickness of the sheet material to be cut.

[0032] A dial indicator 406 is installed on the top of the worm gear screw jack 401. The measuring head of the dial indicator 406 abuts against the top of the screw of the worm gear screw jack 401. The adjustment height of the screw of the worm gear screw jack 401 can be observed through the dial indicator 406.

[0033] The upper circular cutting roller 6 includes a cylindrical upper cutting roller shaft 601, a cylindrical upper cutting roller 602, and multiple annular upper circular cutters 603. The upper cutting roller shaft 601 is welded into the upper cutting roller 602, and the upper circular cutters 603 are sleeved on the upper cutting roller 602. Each upper circular cutter 603 is screwed with a set screw, the tail end of which abuts against the outer wall of the upper cutting roller 602. The position and number of the upper circular cutters 603 are adjusted according to the required cutting dimensions of the sheet material.

[0034] The lower circular cutter roller 8 includes a cylindrical lower cutter roller shaft 801, a cylindrical lower cutter roller 802, and multiple annular lower circular cutters 803. The lower cutter roller shaft 801 is welded into the lower cutter roller 802, and the lower circular cutters 803 are sleeved on the lower cutter roller 802. Each lower circular cutter 803 is screwed with a set screw, the tail end of which abuts against the outer wall of the lower cutter roller 802. The position and number of lower circular cutters 803 are adjusted according to the required cutting dimensions of the sheet material.

[0035] When the upper circular cutting roller 6 and the lower circular cutting roller 8 rotate, the circular cutting blades of the upper circular cutting roller 6 and the lower circular cutting roller 8, which are located in the same vertical direction, work together like scissors to cut the board.

[0036] The roller conveyor 1 includes a conveyor support 101 and multiple parallel conveyor rollers 102, which are rotatably mounted on the conveyor support 101.

[0037] To facilitate workers in quickly determining the position of the sheet material, high wear-resistant diamond positioning strips are installed on the conveyor support to guide the sheet material, ensuring that the side of the sheet material fits against the high wear-resistant diamond positioning strips. Then, the sheet material is pushed along the top of the roller conveyor 1 towards the frame.

[0038] The top of the roller 102, the top of the upper cutter roller 602 of the lower circular cutter roller 8, and the tops of the two lower conveyor rollers 9 are on the same plane. The sheet material is fed into the space between the lower conveyor roller 9 and the upper conveyor roller 7 along the top of the roller conveyor 1.

[0039] The receiving and temporary storage trolley 3 includes a rectangular trolley frame 301, a rectangular panel 302, and four casters 303. The panel 302 is installed on the top of the trolley frame 301, and a caster 303 is installed at each of the four corners of the bottom of the trolley frame 301. A U-shaped handle 304 is welded to the middle of the side of the trolley frame 301 away from the machine frame 2. When receiving materials, the receiving and temporary storage trolley 3 is pushed to the side of the machine frame, so that the panel 302 is located below the lower conveyor roller 9 on the side of the machine frame, and the sheared sheet metal falls onto the panel 302.

[0040] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A plate cutting machine with a circular knife, characterized in that: This includes a roller conveyor, a frame, and a temporary storage trolley arranged in sequence. The frame is equipped with three sets of worm gear screw lifting mechanisms and hollow shaft geared motors. The bottom of the middle set of worm gear screw lifting mechanisms is fitted with an upper circular cutting roller, while the bottom of each of the other two sets of worm gear screw lifting mechanisms is fitted with an upper conveying rubber roller. A lower circular cutting roller, two lower conveying rubber rollers, and a drive shaft are rotatably mounted in the frame. The middle of the drive shaft is keyed to the hollow shaft of the hollow shaft geared motor. The drive shaft and the two lower conveying rubber rollers are driven by a chain drive mechanism. The drive shaft, the lower circular cutting roller, and the upper circular cutting roller are driven by a gear pair one. The lower conveying rubber roller and the upper conveying rubber roller directly above it are driven by a gear pair two.

2. The plate cutting equipment with a circular knife according to claim 1, characterized in that: Each set of worm gear screw lifting mechanisms includes two worm gear screw jacks, a transmission rod, and a bearing housing. The two ends of the transmission rod are respectively connected to the worms of the two worm gear screw jacks by couplings. A bearing housing is installed at the bottom of the screw of each worm gear screw jack, and a bearing is installed in the bearing housing. The head of the upper cutter roller shaft of the upper circular cutting guide roller is interference-fitted into the inner ring of the bearing of the middle set of worm gear screw lifting mechanisms, and the head of the rubber roller shaft of the upper conveying rubber roller is interference-fitted into the inner ring of the bearing of either of the two sets of worm gear screw lifting mechanisms.

3. The plate cutting equipment with a circular knife according to claim 2, characterized in that: The worm of the worm gear screw jack is connected to an extension rod via a coupling at the end away from the transmission rod, and a handwheel is installed on the extension rod.

4. The plate cutting equipment with a circular knife according to claim 2, characterized in that: A dial indicator is installed on the top of the worm gear screw jack, and the measuring head of the dial indicator abuts against the top of the screw of the worm gear screw jack.

5. The plate cutting equipment with a circular knife according to claim 1, characterized in that: The upper circular cutter roller includes a cylindrical upper cutter roller shaft, a cylindrical upper cutter roller cylinder, and multiple annular upper circular cutters. The upper cutter roller shaft is welded inside the upper cutter roller cylinder, and the upper circular cutters are sleeved on the upper cutter roller cylinder. A set screw is screwed onto the upper circular cutter, and the tail end of the set screw abuts against the outer wall of the upper cutter roller cylinder.

6. The plate cutting equipment with a circular knife according to claim 1, characterized in that: The lower circular cutter roller includes a cylindrical lower cutter roller shaft, a cylindrical lower cutter roller cylinder, and multiple annular lower circular cutters. The lower cutter roller shaft is welded inside the lower cutter roller cylinder, and the lower circular cutters are sleeved on the lower cutter roller cylinder. A second set screw is screwed onto the lower circular cutter, and the tail end of the second set screw abuts against the outer wall of the lower cutter roller cylinder.

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