Molding and strapping machine for multi-leaf wheel

Abstract

The invention discloses a multi-leaf wheel forming strapping machine which comprises an operation table, the operation table is used for installing abrasive cloth pieces on a chuck, a tape placing part is rotatably installed on the operation table, a tape correcting pipe is installed on the operation table, a feeding part is arranged at the end, away from the tape placing part, of the tape correcting pipe, and a tape outlet pipe is arranged at the end, away from the tape correcting pipe, of the feeding part. A connecting part is arranged at the end, away from the feeding part, of the tape outlet pipe, a slitting part is installed on the tape outlet pipe, the control module comprises a plurality of control switches, the control module is used for controlling the feeding amount of the driving motor, and the control switches are used for controlling the driving motor to rotate forwards and backwards and starting the connecting part and the slitting part. By arranging the feeding part, the connecting part and the slitting part, the packing belt can automatically complete tightening, connecting and cutting actions, and the multi-leaf wheel can be conveniently bundled.

Description

Technical Field

[0001] The invention belongs to the technical field of flap wheel manufacturing and relates to a flap wheel forming and bundling machine. Background Art

[0002] The flap wheel is a coated abrasive tool. The flap wheel includes two chucks, and a plurality of abrasive cloth pieces are arranged in a circle between the two chucks. After the abrasive cloth pieces are clamped between the two chucks, the plurality of abrasive cloth pieces are fixed by gluing.

[0003] During the production of the flap wheel, workers are required to manually arrange the cut emery cloth pieces and install them on the chuck. To prevent the emery cloth pieces from being loose, they need to be bundled with two strapping tapes after installation. However, it is difficult to control the tightening of the emery cloth pieces during bundling, making them loose after bundling. Summary of the invention

[0004] In view of the above problems, the present invention proposes a flap wheel forming and bundling machine, which well solves the problems in the prior art.

[0005] In order to achieve the above object, the technical solution adopted by the present invention is as follows:

[0006] A flap wheel forming and bundling machine, comprising:

[0007] An operating table, the operating table is used to install an abrasive cloth piece on the chuck;

[0008] A tape unwinding unit, the tape unwinding unit is rotatably mounted on the operating table, and the tape unwinding unit is equipped with a packing tape;

[0009] A calibration tube, which is mounted on the operating table and through which the free end of the strapping tape passes;

[0010] A feeding part, the feeding part comprising at least one feeding roller, the feeding part being arranged at one end of the tape proofing tube away from the tape unwinding part, at least one of the feeding rollers being connected to a driving motor;

[0011] A tape outlet pipe, the tape outlet pipe is arranged at one end of the feeding portion away from the tape calibration pipe;

[0012] A connecting portion, the connecting portion being arranged at an end of the belt outlet pipe away from the feeding portion;

[0013] A cutting part, the cutting part is installed on the belt outlet tube, and the cutting part is used to cut the strapping tape in the belt outlet tube;

[0014] A control module, wherein the control module comprises a plurality of control switches, wherein the control module is used to control the feed amount of the drive motor, and the control switch is used to control the forward and reverse rotation of the drive motor and the start-up of the connecting part and the cutting part.

[0015] Optionally, the connecting portion comprises a welding block, the welding block is connected to a welding device, one end of the welding block away from the welding device is slidably connected to a melting block, and the melting block is connected to a sliding driving member.

[0016] Optionally, a split opening is provided on the tape outlet tube, a cutting blade is slidably installed in the split opening, the cutting blade is connected to a cutting drive member, and an opening is provided at the upper end of the tape outlet tube from the split opening to the connecting portion.

[0017] Optionally, one end of the belt outlet pipe close to the connecting portion is fixedly connected to a connecting pipe, and an opening is provided at an upper end of the connecting pipe.

[0018] Optionally, a one-way roller that rotates in one direction is installed in the middle of the connecting tube, and the side surface of the one-way roller is located inside the connecting tube.

[0019] Optionally, the one-way roller rotating shaft is installed with a one-way bearing.

[0020] Optionally, a revolution sensor is provided at one end of the feed roller.

[0021] Optionally, a plurality of spikes are fixedly provided on the side of the feed roller.

[0022] Optionally, the connecting part includes a nail storage box, a nail pushing spring is provided in the nail storage box, a stapler is provided in the nail storage box, a U-shaped part is fixedly connected to the output end of the nail storage box, a push pin block can be slidably installed on the U-shaped part, a needle entry hole is provided on the side of the U-shaped part, and the push pin block is connected to a push pin drive.

[0023] Optionally, a nail changing block is inserted and fixed to one end of the nail storage box away from the U-shaped member, and the nail pushing spring is fixedly connected to the nail changing block.

[0024] Compared with the prior art, the present invention has the following beneficial effects: by setting the feeding part, the connecting part and the slitting part, after the abrasive cloth piece is installed, the free end of the strapping tape is wrapped around the flap wheel, and the free end is inserted into the connecting part, the feeding roller is reversed, the strapping tape is tightened, connected through the connecting part, and then cut through the slitting part. The strapping tape automatically completes the tightening, connecting and cutting actions, which is convenient for bundling the flap wheel. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0026] Figure 2 It is a structural schematic diagram of the calibration belt pipe part of an embodiment of the present invention;

[0027] Figure 3 yes Figure 2 A magnified schematic diagram of part A;

[0028] Figure 4 is a schematic structural diagram of the bottom of the operating table according to an embodiment of the present invention;

[0029] Figure 5 It is a structural schematic diagram of the nail storage box part of an embodiment of the present invention.

[0030] Reference numerals: 1. operating table;

[0031] 2. Belt releasing unit;

[0032] 3. Check the belt tube;

[0033] 4. Feeding unit; 41. Feeding roller;

[0034] 5. Outgoing pipe; 51. Connecting pipe; 52. One-way roller;

[0035] 6. Connecting part; 601. Nail storage box; 602. U-shaped piece; 603. Push pin block; 604. Push pin drive; 605. Nail changing block; 61. Welding block; 63. Melting and pressing block;

[0036] 7. Cutting portion; 71. Cutting blade; 72. Cutting drive member. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0038] See also Figure 1-Figure 4 , a flap wheel forming strapping machine disclosed in an embodiment of the present invention comprises an operating table 1, the operating table 1 is used to install an abrasive cloth sheet on a chuck, a tape unwinding part 2 is rotatably installed on the operating table 1, the tape unwinding part 2 is installed with a strapping tape, a tape calibration tube 3 is installed on the operating table 1, the free end of the strapping tape passes through the tape calibration tube 3, a feeding part 4 is arranged at one end of the tape calibration tube 3 away from the tape unwinding part 2, the feeding part 4 comprises at least one feeding roller 41, the feeding part 4 is arranged at one end of the tape calibration tube 3 away from the tape unwinding part 2, at least one feeding roller 41 is connected to a driving motor, a tape outlet tube 5 is arranged at one end of the feeding part 4 away from the tape calibration tube 3, a connecting part 6 is arranged at one end of the tape outlet tube 5 away from the feeding part 4, the connecting part 6 is used to connect the strapping tape, a slitting part 7 is installed on the tape outlet tube 5, and the slitting part 7 is used to cut off the strapping tape in the tape outlet tube 5, and also comprises a control module, the control module comprises a plurality of control switches, the control module is used to control the feeding amount of the driving motor, and the control switch is used to control the forward and reverse rotation of the driving motor and the start of the connecting part 6 and the slitting part 7.

[0039] Specifically, the rolled strapping tape is placed in the unwinding section 2, and the free end of the strapping tape passes through the tape calibration tube 3 and enters the feeding section 4. The feeding section 4 feeds the strapping tape through the feeding roller 41, and allows the free end of the strapping tape to enter the tape outlet tube 5 and the connecting section 6. When the free end of the strapping tape is long enough, it is connected into a ring shape through the connecting section 6 and cut by the slitting section 7.

[0040] In this way, by providing the feeding part 4, the connecting part 6 and the slitting part 7, after the abrasive cloth pieces are installed, the free end of the strapping tape is wrapped around the flap wheel, and the free end is inserted into the connecting part 6, and the strapping tape is reversed by the feeding roller 41 to tighten the strapping tape, and then connected by the connecting part 6 and cut by the slitting part 7. The strapping tape automatically completes the tightening, connecting and cutting actions, which is convenient for bundling the flap wheel.

[0041] In some feasible embodiments, the operating table 1 is in the shape of a rectangular table, the tape unwinding part 2 includes a chassis, the chassis is rotatably mounted on the upper end of the operating table 1, a center roller is fixedly mounted on the upper end of the chassis, the strapping tape is mounted on the chassis, the strap proofing tube 3 is in the shape of a special-shaped tube, the end of the strap proofing tube 3 close to the tape unwinding part 2 is an expanded diameter end, the inner shape of the end of the strap proofing tube 3 away from the tape unwinding part 2 is the same as the cross-section of the strapping tape, by passing the free end of the strapping tape through the strap proofing tube 3, the possibility of the free end of the strapping tape jumping during the feeding process is reduced, the tape outlet tube 5 is a rectangular tube with the same inner shape as the cross-section of the strapping tape, an opening is provided on one side of the position where the tape outlet tube 5 is installed with the feeding part 4, the side of the feed roller 41 is located in the opening, the strapping tape is squeezed by the side wall of the tape outlet tube 5 and the feed roller 41, so that the strapping tape is fed when the feed roller 41 rotates, and the lower end of the feed roller 41 passes through the operating table 1 and is connected to a drive motor, and the drive motor is selected as a stepping motor.

[0042] The connecting part 6 is used to connect the strapping tape. Usually, the connection methods of the strapping tape include heat welding, staple connection, special connecting buckle connection and other methods. In the embodiment of the present application, the heat welding method is selected. The connecting part 6 includes a welding block 61. The welding block 61 is a rectangular heat-conducting block. The welding block 61 is connected to a welding device. The welding device is a prior art. The welding block 61 can also be connected to a heating device such as a resistance wire for heating and then welding. The welding block 61 is slidably connected to a melting block 63 at one end away from the welding device. The operating table 1 is provided with a sliding hole. The lower end of the melting block 63 is provided with a connecting block in the sliding hole. The connecting block is connected to a sliding drive member. The sliding drive member is fixedly installed on the operating table 1. When the free end of the strapping tape wraps around the flap wheel and enters between the melting block 63 and the welding block 61, it is slid and pressed by the melting block 63 and then welded by the welding block 61.

[0043] For some possible approaches, see Figure 5In the embodiment of the present application, the connection part 6 is selected as a staple connection, the connection part 6 includes a staple storage box 601, the staple storage box 601 is a rectangular box, a staple push spring is arranged in the staple storage box 601, a staple is arranged in the staple storage box 601, a U-shaped piece 602 is fixedly connected to the output end of the staple storage box 601, the U-shaped piece 602 opens toward the upper side, a needle entry hole is arranged on the side of the U-shaped piece 602, the U-shaped piece 602 can be slidably installed with a push pin block 603, and the push pin block 603 is It is in the shape of a rectangular block, and the staplers are pressed by the push pin block 603 to connect the packing tape. The push pin block 603 is connected to a push pin drive 604, and the push pin drive 604 can be optionally used as an electric push rod. Furthermore, a nail changing block 605 is plugged and fixed at one end of the nail storage box 601 away from the U-shaped part 602, and a nail pushing spring is fixedly connected to the nail changing block 605. By setting a plug-in fixed nail changing block 605 and adding staplers, the nail changing block 605 and the nail storage box 601 are plugged and fixed by an interference fit.

[0044] The cutting part 7 can be selected to be a saw blade driven by a driving motor. A rectangular opening is provided on the side of the tape outlet tube 5. The saw blade part can be slidably installed at the rectangular opening position. The saw blade part is driven to slide by an electric push rod, so that the saw blade cuts the strapping tape.

[0045] The control module is a single chip control module, which controls the logical operation of the drive component. The control module includes a plurality of control switches, which are used to control the forward and reverse rotation of the drive motor and the start of the connecting part 6 and the cutting part 7. The staff controls the operation of the drive component through the control switch.

[0046] For some possible approaches, see Figure 3 The cutting portion 7 includes a cutting blade 71 and a cutting drive member 72. A dividing opening is provided on the tape outlet tube 5. The cutting blade 71 is slidably installed in the dividing opening. The cutting blade 71 is connected to the output end of the cutting drive member 72. The cutting drive member 72 is fixedly installed on the operating table 1. An opening is provided at the upper end of the tape outlet tube 5 from the dividing opening to the connecting portion 6.

[0047] Furthermore, one end of the tape outlet pipe 5 close to the connecting portion 6 is fixedly connected to a connecting pipe 51 , and an opening is provided at the upper end of the connecting pipe 51 .

[0048] In combination with specific usage scenarios, by setting a connecting tube 51, after the free end of the strapping belt wraps around the flap wheel, the free end of the strapping belt is inserted into the connecting part 6 through the connecting tube 51, thereby reducing the possibility that the free end of the strapping belt is pulled back when the strapping belt is tightened.

[0049] Furthermore, a one-way roller 52 that rotates in one direction is installed in the middle of the connecting tube 51 , and the side surface of the one-way roller 52 is located inside the connecting tube 51 .

[0050] It should be understood that by providing a unidirectionally rotating one-way roller 52, the free end of the strapping tape can be inserted into the connecting tube 51 and move in one direction, further reducing the possibility that the free end of the strapping tape is pulled back when the strapping tape is tightened.

[0051] In some feasible embodiments, the rotating shaft of the one-way roller 52 is installed with a one-way bearing.

[0052] Furthermore, a revolution sensor is provided at one end of the feed roller 41 .

[0053] It should be understood that after the strapping tape wraps around the flap wheel, it is tightened by reversing the feed roller 41. After the number of turns sensor is set, the length of the strapping tape pulled out is counted by the number of turns sensor, which is convenient for calculating the tightening length when tightening. After reaching the appropriate length, the feed roller 41 automatically stops to reduce the possibility of over-tightening. At the same time, the number of turns sensor is connected to the control module, which automatically controls the connecting part 6 and the cutting part 7 to complete the connection and cutting after tightening.

[0054] In some feasible embodiments, the circle count sensor includes a shielding piece and a proximity switch, the proximity switch is connected to the control module, the shielding piece is fixedly connected to the shaft end of the feed roller 41, when the shielding piece rotates to the proximity switch, one circle is counted, and the length of the strapping tape passing through the feed roller 41 is measured by the number of circles the feed roller 41 rotates.

[0055] As a specific implementation of a flap wheel forming and strapping machine provided in the application, a plurality of spikes are fixedly provided on the side of the feed roller 41 .

[0056] It should be understood that by providing spikes on the side of the feed roller 41, the slip of the feed roller 41 during the feeding process is reduced.

[0057] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A flap wheel forming and bundling machine, characterized in that: include: An operating table, the operating table is used to install an abrasive cloth piece on the chuck; A tape unwinding unit, the tape unwinding unit is rotatably mounted on the operating table, and the tape unwinding unit is equipped with a packing tape; A calibration tube, which is mounted on the operating table and through which the free end of the strapping tape passes; A feeding part, the feeding part comprising at least one feeding roller, the feeding part being arranged at one end of the tape proofing tube away from the tape unwinding part, at least one of the feeding rollers being connected to a driving motor; A tape outlet pipe, the tape outlet pipe is arranged at one end of the feeding portion away from the tape calibration pipe; A connecting portion, the connecting portion being arranged at an end of the belt outlet pipe away from the feeding portion; A cutting part, the cutting part is installed on the belt outlet tube, and the cutting part is used to cut the strapping tape in the belt outlet tube; A control module, wherein the control module comprises a plurality of control switches, wherein the control module is used to control the feed amount of the drive motor, and the control switch is used to control the forward and reverse rotation of the drive motor and the start-up of the connecting part and the cutting part.

2. The flap wheel forming and strapping machine according to claim 1, characterized in that: The connecting part comprises a welding block, the welding block is connected to a welding device, one end of the welding block away from the welding device is slidably connected to a melting block, and the melting block is connected to a sliding driving member.

3. The flap wheel forming and strapping machine according to claim 1, characterized in that: The belt outlet pipe is provided with a split opening, a cutting blade is slidably installed in the split opening, the cutting blade is connected to the cutting drive member, and an opening is provided at the upper end of the belt outlet pipe from the split opening to the connecting portion.

4. The flap wheel forming and strapping machine according to claim 3, characterized in that: One end of the belt outlet pipe close to the connecting portion is fixedly connected with a connecting pipe, and an opening is arranged at the upper end of the connecting pipe.

5. The flap wheel forming and strapping machine according to claim 4, characterized in that: A one-way roller that rotates in one direction is installed in the middle of the connecting pipe, and the side surface of the one-way roller is located inside the connecting pipe.

6. The flap wheel forming and strapping machine according to claim 5, characterized in that: The one-way roller rotating shaft is provided with a one-way bearing.

7. The flap wheel forming and strapping machine according to claim 6, characterized in that: A revolution sensor is arranged at one end of the feed roller.

8. The flap wheel forming and strapping machine according to claim 1, characterized in that: A plurality of spikes are fixedly arranged on the side of the feed roller.

9. The flap wheel forming and strapping machine according to claim 1, characterized in that: The connecting part includes a nail storage box, a nail pushing spring is arranged in the nail storage box, a stapler is arranged in the nail storage box, a U-shaped part is fixedly connected to the output end of the nail storage box, a push pin block is slidably installed on the U-shaped part, a needle entry hole is arranged on the side of the U-shaped part, and the push pin block is connected to a push pin drive.

10. The flap wheel forming and strapping machine according to claim 9, characterized in that: A nail changing block is inserted and fixed on one end of the nail storage box away from the U-shaped piece, and the nail pushing spring is fixedly connected to the nail changing block.

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