Automatic material belt feeding mechanism

Abstract

The invention discloses an automatic material belt feeding mechanism which comprises a material disc, a material frame and a precise feeding module, the two ends of the material frame are the first end and the second end correspondingly, the material disc used for feeding is arranged at the first end of the material frame, a strip-shaped material belt is wound around the material disc, and the material belt can enter the precise feeding module after passing through a feeding runner. The precise feeding module comprises a base, a ratchet wheel feeding mechanism and a pre-cutting precise positioning mechanism, the base is fixed to the second end of the material frame, the ratchet wheel feeding mechanism is provided with at least one ratchet wheel, the edge of the ratchet wheel is provided with a plurality of protruding ends, and the pre-cutting precise positioning mechanism is provided with two positioning needles capable of moving back and forth in the vertical direction; one positioning pin corresponds to the positioning opening in one side of the material belt, and the two positioning pins can be moved into or out of the positioning openings in the two ends of the material belt. The automatic feeding device is simple in structure, high in automation degree and high in feeding precision.

Description

Technical Field

[0001] The invention relates to a feeding mechanism, in particular to an automatic material belt feeding mechanism. Background Art

[0002] Currently, the material strip needs to be fed before cutting, but the traditional material strip feeding mechanism has a low degree of automation and requires manual operation during use. It also has problems such as slow feeding speed, poor feeding accuracy and inconvenient adjustment, which may lead to poor size of the cut material strip, resulting in low yield, which is not conducive to large-scale promotion. Summary of the invention

[0003] In order to overcome the above defects, the present invention provides an automatic material belt feeding mechanism, which has the advantages of simple structure, high degree of automation and high feeding accuracy.

[0004] The technical solution adopted by the present invention to solve its technical problems is: an automatic material feeding mechanism for a material strip, comprising: a material tray, a material rack and a precision feeding module, the two ends of the material rack are respectively a first end and a second end, a material tray for feeding is arranged at the first end of the material rack, the material strip is strip-shaped and wound around the material tray, a plurality of positioning openings are opened at both ends of the material strip, a feeding flow channel is arranged in the middle of the material rack, the material strip can enter the precision feeding module after passing through the feeding flow channel, the precision feeding module comprises a base, a ratchet feeding mechanism and a precise positioning mechanism before cutting, the ratchet feeding mechanism and the precise positioning mechanism before cutting are fixed to the base, the base is fixed to the second end of the material rack, the ratchet feeding mechanism is provided with at least one ratchet, the edge of the ratchet is provided with a plurality of protruding ends, the protruding ends of the ratchet can cooperate with the positioning openings on the material strip, the ratchet can rotate and drive the material strip to continuously move into the precise feeding module, the precise positioning mechanism before cutting is provided with two positioning pins that can move back and forth in a vertical direction, one positioning pin corresponds to the positioning opening on one side of the material strip, and the two positioning pins can move in or out of the positioning openings at both ends of the material strip.

[0005] Optionally, the material tray includes a tray body and a first motor, the first motor is fixed to the material rack, the rotating shaft of the first motor is connected to the axis of the tray body, the material belt is wound around the tray body, and the tray body can rotate under the drive of the first motor.

[0006] As an option, it also includes a paper separation collecting mechanism, which includes a second motor, a mounting seat, a collecting roller, a guide rod and a compression spring. There are two guide rods, which are fixed to the material rack and located near the first motor. The mounting seat is movably sleeved on the two guide rods. There are two compression springs, which are respectively sleeved on the two guide rods. The two ends of the compression springs abut against the bottom of the guide rods and the mounting seat. The collecting roller is rotatably arranged on the mounting seat. The second motor is fixed to the mounting seat. The rotating shaft of the second motor is connected to the axis of the collecting roller. The top of the material belt is covered with paper separation. One end of the paper separation is fixed to the collecting roller. The collecting roller can rotate and wrap around the paper separation under the drive of the second motor. The mounting seat can move back and forth along the guide rod, and the mounting seat can squeeze the compression spring.

[0007] Optionally, the ratchet feeding mechanism includes a third motor, a transmission belt, a transmission shaft, a transmission wheel and a ratchet. The third motor is fixed to the base, the transmission shaft is rotatably arranged on the base, the ratchet and the transmission wheel are respectively fixed at both ends of the transmission shaft, the rotating shaft of the third motor is connected to the transmission wheel through the transmission belt power, and the ratchet can rotate under the drive of the third motor.

[0008] Optionally, the precise positioning mechanism before cutting includes a cylinder and two positioning pins. The cylinder is fixed to the base. The two positioning pins are fixed side by side to the movable end of the cylinder below the material strip. The two positioning pins can move back and forth in the vertical direction under the drive of the cylinder.

[0009] Optionally, it also includes a photoelectric detection mechanism, which is fixed to the base. The photoelectric detection mechanism is provided with two detection optical fibers and two receiving components. The two detection optical fibers are located below the material belt, and the two receiving components are arranged above the material belt. The lasers emitted by the two detection optical fibers can pass through the positioning openings at both ends of the material belt respectively and be received by the two receiving components or be blocked by the material belt.

[0010] Optionally, a manual positioning mechanism is also included, which includes a mounting seat and a positioning block. The mounting seat is fixed to the base, and the positioning block is slidably arranged on the mounting seat. The positioning block can move up and down under the drive of external force, and two protrusions are arranged at the bottom of the positioning block. The two protrusions can be moved into or out of the positioning openings on both sides of the material strip.

[0011] Optionally, the number of the material tray, the feeding channel and the precision feeding module are two each.

[0012] The beneficial technical effect of the present invention is: the material belt automatic feeding mechanism includes: a material tray, a material rack and a precision feeding module. When in use, the material belt wrapped around the material tray is moved into the precision feeding module after passing through the feeding channel, and the positioning opening is inserted into the protruding end of the ratchet so that the two are matched, and then the ratchet rotates and drives the material belt to continuously move into the precision feeding module. When cutting is required, the positioning needle moves upward and moves into the positioning openings at both ends of the material belt to fix and accurately position the material belt, thereby improving the feeding accuracy and making the subsequent cutting accuracy higher. Since the entire feeding and positioning process is fully automated, the degree of automation is high. It has the advantages of simple structure, high degree of automation and high feeding accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional view of the whole machine of the present invention;

[0014] Figure 2 It is a three-dimensional view of the material tray and the paper separation collecting mechanism of the present invention;

[0015] Figure 3 It is a three-dimensional view of the precise feeding module of the present invention;

[0016] Figure 4 is a three-dimensional view of the ratchet feeding mechanism of the present invention;

[0017] Figure 5 It is a three-dimensional view of the precise positioning mechanism before cutting of the present invention;

[0018] Figure 6 is a top view of the material strip of the present invention;

[0019] in:

[0020] 1. Material tray; 11. Tray body; 12. First motor; 2. Material rack; 21. Feed channel; 3. Paper separator collection mechanism; 31. Mounting seat; 32. Collection roller; 33. Guide rod; 4. Precision feeding module; 41. Base; 42. Ratchet feeding mechanism; 421. Third motor; 422. Transmission belt; 423. Transmission wheel; 424. Ratchet; 43. Precision positioning mechanism before cutting; 431. Cylinder; 432. Positioning pin; 44. Photoelectric detection mechanism; 45. Manual positioning mechanism; 451. Mounting seat; 452. Positioning block; 5. Material belt; 51. Positioning opening. DETAILED DESCRIPTION

[0021] In order to more clearly understand the technical means of the present invention and implement it according to the contents of the specification, the specific implementation methods of the present invention are further described in detail below in conjunction with the drawings and examples. The following examples are used to illustrate the present invention but are not used to limit the scope of the present invention.

[0022] This specific embodiment describes in detail the automatic material feeding mechanism of the material belt described in this application. Figure 1-Figure 6 As shown, the material belt automatic feeding mechanism includes: a material tray 1, a material rack 2 and a precise feeding module 4, the two ends of the material rack 2 are respectively a first end and a second end, the material tray 1 for feeding is arranged at the first end of the material rack 2, the material belt 5 is strip-shaped and wound around the material tray 1, and a plurality of positioning openings 51 are opened at both ends of the material belt 5, a feeding channel 21 is arranged in the middle of the material rack 2, and the material belt 5 can enter the precise feeding module 4 after passing through the feeding channel 21, and the precise feeding module 4 includes a base 41, a ratchet feeding mechanism 42 and a precise positioning mechanism before cutting 43, and the ratchet feeding mechanism 42 and the precise positioning mechanism before cutting 43 are fixed to The base 41 is fixed to the second end of the material rack 2, and the ratchet feeding mechanism 42 is provided with at least one ratchet 424. The edge of the ratchet 424 is provided with multiple protruding ends. The protruding ends of the ratchet 424 can cooperate with the positioning openings 51 on the material belt 5. The ratchet 424 can rotate and drive the material belt 5 to continuously move into the precise feeding module 4. The precise positioning mechanism 43 before cutting is provided with two positioning pins 432 that can move back and forth in the vertical direction. One positioning pin 432 corresponds to the positioning opening 51 on one side of the material belt 5, and the two positioning pins 432 can move into or out of the positioning openings 51 at both ends of the material belt 5. When in use, the material belt 5 wound on the material tray 1 is moved into the precise feeding module 4 after passing through the feeding channel 21, and the positioning opening 51 is inserted into the protruding end of the ratchet 424 so that the two are matched, and then the ratchet 424 rotates and drives the material belt 5 to continuously move into the precise feeding module 4. When cutting is required, the positioning pin 432 moves upward and moves into the positioning openings 51 at both ends of the material belt 5, fixes and accurately positions the material belt 5, improves the feeding accuracy, and makes the subsequent cutting accuracy higher. Since the entire feeding and positioning process is fully automated, the degree of automation is high. It has the advantages of simple structure, high degree of automation and high feeding accuracy.

[0023] Optionally in this embodiment, the material tray 1 includes a tray body 11 and a first motor 12. The first motor 12 is fixed to the material rack 2. The rotating shaft of the first motor 12 is connected to the axis of the tray body 11. The material belt 5 is wound around the tray body 11. The tray body 11 can rotate under the drive of the first motor 12.

[0024] Optionally, in this embodiment, a paper separation collecting mechanism 3 is also included, which includes a second motor, a mounting seat 451, a collection roller 32, a guide rod 33 and a compression spring. There are two guide rods 33, and the two guide rods 33 are fixed to the material rack 2 and are located near the first motor 12. The mounting seat 451 is movably sleeved on the two guide rods 33. There are two compression springs, and the two compression springs are respectively sleeved on the two guide rods 33. The two ends of the compression spring abut against the bottom of the guide rod 33 and the mounting seat 451. The collection roller 32 is rotatably set on the mounting seat 451, and the second motor is fixed to the mounting seat 451. The rotating shaft of the second motor is connected to the axis of the collection roller 32. The top of the material belt 5 is covered with paper separation, and one end of the paper separation is fixed to the collection roller 32. The collection roller 32 can rotate and wrap around the paper separation under the drive of the second motor. The mounting seat 451 can move back and forth along the guide rod 33, and the mounting seat 451 can squeeze the compression spring. The compression spring can play a buffering role. If resistance is encountered in the process of the collecting roller 32 collecting the separator paper, the compression spring can be squeezed to provide buffering, thereby preventing the collecting roller 32 from breaking the separator paper.

[0025] Optionally, in this embodiment, the ratchet feeding mechanism 42 includes a third motor 421, a transmission belt 422, a transmission shaft, a transmission wheel 423 and a ratchet 424. The third motor 421 is fixed to the base 41, the transmission shaft is rotatably arranged on the base 41, the ratchet 424 and the transmission wheel 423 are respectively fixed at both ends of the transmission shaft, and the rotating shaft of the third motor 421 is connected to the transmission wheel 423 through the power of the transmission belt 422, and the ratchet 424 can rotate under the drive of the third motor 421.

[0026] Optionally, in this embodiment, the precise positioning mechanism 43 before cutting includes a cylinder 431 and two positioning pins 432. The cylinder 431 is fixed to the base 41, and the two positioning pins 432 are fixed side by side at the movable end of the cylinder 431 below the material strip 5. The two positioning pins 432 can move back and forth in the vertical direction under the drive of the cylinder 431.

[0027] Optionally, the present embodiment further includes a photoelectric detection mechanism 44, which is fixed to the base 41. The photoelectric detection mechanism 44 is provided with two detection optical fibers and two receiving components, the two detection optical fibers are located below the material belt 5, and the two receiving components are provided above the material belt 5. The lasers emitted by the two detection optical fibers can pass through the positioning openings 51 at both ends of the material belt 5 and be received by the two receiving components or blocked by the material belt 5. Since the distance between the positioning openings 51 on each side is known, the distance moved by the material belt 5 can be calculated by counting the number of times the receiving components receive the lasers emitted by the detection optical fibers.

[0028] Optionally, this embodiment further includes a manual positioning mechanism 45, which includes a mounting seat 451 and a positioning block 452. The mounting seat 451 is fixed to the base 41, and the positioning block 452 is slidably arranged on the mounting seat 451. The positioning block 452 can move up and down under the drive of an external force, and the bottom of the positioning block 452 is provided with two protrusions, which can move into or out of the positioning openings 51 on both sides of the material belt 5. The manual positioning mechanism 45 can manually position the material belt 5 to facilitate the initial positioning of the material belt 5.

[0029] Optionally, in this embodiment, the number of the material tray 1, the feeding channel 21 and the precision feeding module 4 are two.

[0030] The automatic material belt feeding mechanism of this embodiment has the advantages of simple structure, high automation and high feeding accuracy.

Claims

1. A material belt automatic feeding mechanism, characterized in that: include: A material tray (1), a material rack (2) and a precision feeding module (4), wherein the two ends of the material rack (2) are respectively a first end and a second end, a material tray (1) for feeding is arranged at the first end of the material rack (2), a material belt (5) is in a strip shape and is wound around the material tray (1), a plurality of positioning openings (51) are provided at both ends of the material belt (5), a feeding channel (21) is provided in the middle of the material rack (2), the material belt (5) can enter the precision feeding module (4) after passing through the feeding channel (21), the precision feeding module (4) comprises a base (41), a ratchet feeding mechanism (42) and a pre-cutting precision positioning mechanism (43), the ratchet feeding mechanism (42) and the pre-cutting precision positioning mechanism (43) are fixed to the base (41), The base (41) is fixed to the second end of the material rack (2), and the ratchet feeding mechanism (42) is provided with at least one ratchet (424). The edge of the ratchet (424) is provided with multiple protruding ends. The protruding ends of the ratchet (424) can cooperate with the positioning openings (51) on the material belt (5), and the ratchet (424) can rotate and drive the material belt (5) to continuously move into the precise feeding module (4). The precise positioning mechanism (43) before cutting is provided with two positioning pins (432) that can move back and forth in the vertical direction, and one positioning pin (432) corresponds to the positioning opening (51) on one side of the material belt (5), and the two positioning pins (432) can move into or out of the positioning openings (51) at both ends of the material belt (5).

2. The automatic material feeding mechanism according to claim 1, characterized in that: The material tray (1) comprises a tray body (11) and a first motor (12), wherein the first motor (12) is fixed to a material rack (2), a rotating shaft of the first motor (12) is connected to the axis of the tray body (11), a material belt (5) is wound around the tray body (11), and the tray body (11) can rotate under the drive of the first motor (12).

3. The automatic material feeding mechanism according to claim 2, characterized in that: The invention also includes a paper collecting mechanism (3), wherein the paper collecting mechanism (3) comprises a second motor, a mounting seat (451), a collecting roller (32), a guide rod (33) and a compression spring. The number of the guide rods (33) is two, and the two guide rods (33) are fixed to the material rack (2) and are located near the first motor (12). The mounting seat (451) is movably mounted on the two guide rods (33). The number of the compression springs is two, and the two compression springs are respectively mounted on the two guide rods (33). Both ends of the compression springs abut against the guide rods ( 33) and a mounting seat (451), the collecting roller (32) is rotatably arranged on the mounting seat (451), the second motor is fixed to the mounting seat (451), the rotating shaft of the second motor is connected to the axis of the collecting roller (32), the top of the material belt (5) is covered with a separator paper, one end of the separator paper is fixed to the collecting roller (32), the collecting roller (32) can rotate and wrap around the separator paper under the drive of the second motor, the mounting seat (451) can move back and forth along the guide rod (33), and the mounting seat (451) can squeeze the compression spring.

4. The automatic material feeding mechanism according to claim 1, characterized in that: The ratchet feeding mechanism (42) comprises a third motor (421), a transmission belt (422), a transmission shaft, a transmission wheel (423) and a ratchet wheel (424); the third motor (421) is fixed to the base (41); the transmission shaft is rotatably arranged on the base (41); the ratchet wheel (424) and the transmission wheel (423) are respectively fixed to two ends of the transmission shaft; the rotating shaft of the third motor (421) is connected to the transmission wheel (423) by power through the transmission belt (422); and the ratchet wheel (424) can rotate under the drive of the third motor (421).

5. The automatic material feeding mechanism according to claim 1, characterized in that: The precise positioning mechanism (43) before cutting comprises a cylinder (431) and two positioning pins (432), wherein the cylinder (431) is fixed to the base (41), and the two positioning pins (432) are fixed side by side to the movable end of the cylinder (431) and are located below the material strip (5), and the two positioning pins (432) can move back and forth in a vertical direction under the drive of the cylinder (431).

6. The automatic material feeding mechanism according to claim 1, characterized in that: The invention also comprises a photoelectric detection mechanism (44), wherein the photoelectric detection mechanism (44) is fixed to the base (41), and the photoelectric detection mechanism (44) is provided with two detection optical fibers and two receiving components, wherein the two detection optical fibers are located below the material belt (5), and the two receiving components are located above the material belt (5), and the lasers emitted by the two detection optical fibers can respectively pass through the positioning openings (51) at both ends of the material belt (5) and then be received by the two receiving components or blocked by the material belt (5).

7. The automatic material feeding mechanism according to claim 1, characterized in that: It also includes an artificial positioning mechanism (45), which includes a mounting seat (451) and a positioning block (452), the mounting seat (451) is fixed to the base (41), the positioning block (452) is slidably arranged on the mounting seat (451), the positioning block (452) can move up and down under the drive of an external force, and two protrusions are arranged at the bottom of the positioning block (452), and the two protrusions can be moved into or out of the positioning openings (51) on both sides of the material belt (5).

8. The automatic material feeding mechanism according to claim 1, characterized in that: The number of the material tray (1), the material feeding channel (21) and the precision material feeding module (4) is two.

Images