Feeding machine and stamping feeding device

Abstract

The feeding machine comprises a fixed base, supporting plates are arranged on the left side and the right side of the top face of the fixed base respectively, a rotating base is arranged above the fixed base, and the rotating base is located between the supporting plates on the left side and the right side. The left end and the right end of the rotating base are rotationally connected with the supporting plates on the left side and the right side through rotating shafts correspondingly, so that the rotating base can turn over up and down around the rotating shafts. A feeding base plate is arranged on one end face of the rotating base, a fixing block is arranged at the rear end of the top face of the fixing base, and when the rotating base is turned downwards to be in a vertical state, the bottom of the end face, away from the feeding base plate, of the rotating base is connected with the front end face of the fixing block. And a connecting hole is formed in the supporting plate. The double-purpose feeding device can be switched between a plane type state and a vertical type state, so that when the double-purpose feeding device is used for punching, the double-purpose feeding device can be used in a double-purpose feeding mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to a feeder technology field especially relates to a feeder and stamping feeding device. BACKGROUND

[0002] Traditional feeder is divided into two modes in the use of stamping:

[0003] 1, plane disc feeder application scope: mainly for thin plate, coil width is narrow and small use.

[0004] 2, vertical feeder application scope: mainly for thick plate, coil width is wide use.

[0005] Because of the difference of the above two feeder application modes, so general punch needs to be matched with multiple feeders for backup, so as to cope with different application mode demand. INVENTION CONTENTS

[0006] The utility model discloses a feeder and stamping feeding device to solve the technical problem that punch needs to be matched with multiple feeders for backup in prior art, so as to cope with different application mode demand.

[0007] In order to realize the above-mentioned purpose, the technical scheme of the utility model provides a feeder, including fixed base, the left and right sides of the top surface of fixed base are equipped with support plate respectively, the upper of fixed base is equipped with rotary base, the rotary base is located between the left and right sides of support plate, the left and right ends of rotary base are connected with the left and right sides of support plate through rotary shaft rotation respectively, so that rotary base can overturn up and down around rotary shaft, one end face of rotary base is equipped with feeding base plate, the rear end of the top surface of fixed base is equipped with fixed block, when rotary base is turned down to vertical state, the bottom of one end face of rotary base away from feeding base plate is connected with the front end face of fixed block, the support plate is equipped with connecting hole, the connecting hole is located on one side of rotary shaft, when rotary base is turned up to plane type state, rotary base is connected with connecting hole through safety pin.

[0008] Further, the rotary shaft is located at the front upper end of the support plate, the connecting hole is located at the rear upper end of the support plate, the fixed block is located at the rear lower part between the left and right sides of the support plate, and the front end face of the fixed block is a vertical plane.

[0009] Further, the rotary base is a polygon, the feeding base plate is a circle, the diameter of the feeding base plate is greater than the width between the left and right sides of the support plate, the front end face of the support plate is a vertical plane, the front upper end face of the support plate is an avoidance inclined plane, and the feeding base plate can be turned to the front or upper of the left and right sides of the support plate.

[0010] Further, the support plate is provided with a steering motor, which is in transmission connection with the rotating shaft, so that the steering motor can drive the rotating base up and down through the rotating shaft.

[0011] Further, the middle part of the feeding base is connected with the middle part of the rotating base through a connecting shaft, and one end of the feeding base away from the rotating base is provided with a stretching module, which can be used to stretch the material.

[0012] Further, the stretching module comprises a screw rod, a nut seat and a plurality of bearing pieces, the screw rod is rotationally arranged in the middle fixed block of the feeding base, the nut seat is assembled on the screw rod, and the plurality of bearing pieces are respectively arranged around the nut seat; the bearing pieces, the nut seat and the middle fixed block are hingedly connected through a plurality of connecting rods, so that the reciprocating movement of the nut seat along the screw rod can drive the plurality of bearing pieces to contract and expand.

[0013] As a preferred embodiment, one end of the screw rod is connected and matched with the nut seat, the middle part of the screw rod is rotationally matched with the middle fixed block of the feeding base, and the other end of the screw rod penetrates through the connecting shaft and is in transmission connection with the rear motor, so that the rear motor can drive the screw rod to rotate.

[0014] As another preferred embodiment, one end of the screw rod is provided with a manual rotating handle, the middle part of the screw rod is connected and matched with the nut seat, and the other end of the screw rod is rotationally matched with the middle fixed block of the feeding base, so that the manual rotating handle can drive the screw rod to rotate.

[0015] Further, the front end of the top surface of the fixed base is provided with a moving groove extending along left and right, the middle part of the moving groove is provided with a fixed seat, and the left and right ends of the fixed seat are respectively in rotational connection with two top rods; the two top rods can be respectively placed on the left and right sides of the moving groove, the two top rods can upwardly abut against one end of the screw rod, and the two top rods can be detachably connected together through a connecting piece.

[0016] The utility model also provides a stamping feeding device, including punch press, still include any one of the above technical scheme's feeder, the support plate of feeder is equipped with control box, be equipped with starter between feeder and punch press, control box with starter electricity is connected, be equipped with vertical guide rail on the starter, the middle part of vertical guide rail is equipped with buffer response start -stop switch, be equipped with sliding block on the vertical guide rail, be equipped with from top to bottom in turn and set up upper response point, lower response point, material winding connecting wheel on the sliding block, upper response point lower response point can respectively with buffer response start -stop switch response cooperation, material winding connecting wheel can receive material winding.

[0017] In summary, the technical scheme of the utility model has the beneficial effects as follows: the utility model has reasonable structure design, (1) the top surface of the fixed base is provided with support plates on the left and right sides, a rotary base is arranged above the fixed base, the rotary base is located between the support plates on the left and right sides, and the left and right ends of the rotary base are rotatably connected to the support plates on the left and right sides through rotary shafts, so that the rotary base can be flipped up and down around the rotary shafts; thus, the rotary base can be flipped from a planar state to a vertical state, and also can be flipped from the vertical state to the planar state.(2) one end surface of the rotary base is provided with a feeding base, and the rear end of the top surface of the fixed base is provided with a fixed block; when the rotary base is flipped to the vertical state, the bottom of the end surface of the rotary base away from the feeding base is connected to the front end surface of the fixed block; thus, when the rotary base with the feeding base is flipped to the vertical state, the fixed block is used for connection, so that the rotary base and the feeding base can be kept in the stable vertical state, and the feeding base is mainly used for thick plates and wide material winding at this time.(3) the support plates are provided with connecting holes beside the rotary shafts; when the rotary base is flipped to the planar state, the rotary base is connected to the connecting holes through safety pins; thus, when the rotary base with the feeding base is flipped to the planar state, the connecting holes and the safety pins are used for connection, so that the rotary base and the feeding base can be kept in the stable planar state, and the feeding base is mainly used for thin plates and narrow material winding at this time. From the above analysis, the utility model can be switched between the planar state and the vertical state, so that the punch press does not need to be matched with multiple feeders for backup, and can cope with different application mode requirements; that is, the punch press is matched with one feeder, and the feeder can be used in the variable dual-purpose feeding mode. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is the front structure schematic diagram of embodiment 1 vertical state of the utility model feeder;

[0019] Figure 2is the side structure schematic diagram of the embodiment 1 of the feeding machine when the opening module is contracted;

[0020] Figure 3 is the side structure schematic diagram of the embodiment 1 of the feeding machine when the opening module is expanded;

[0021] Figure 4 is the front structure schematic diagram of the embodiment 1 of the feeding machine when the ejector rod is turned up;

[0022] Figure 5 is the front structure schematic diagram of the embodiment 1 of the feeding machine when the ejector rod is turned down;

[0023] Figure 6 is the side structure schematic diagram of the embodiment 1 of the feeding machine when the plane type state;

[0024] Figure 7 is the side structure schematic diagram of the embodiment 2 of the feeding machine when the opening module is contracted;

[0025] Figure 8 is the side structure schematic diagram of the embodiment 2 of the feeding machine when the opening module is expanded;

[0026] Figure 9 is the side structure schematic diagram of the embodiment 2 of the feeding machine when the plane type state;

[0027] Figure 10 is the structure schematic diagram of the feeding machine in the vertical state when starting feeding;

[0028] Figure 11 is the structure schematic diagram of the feeding machine in the vertical state when stopping feeding;

[0029] Figure 12 is the structure schematic diagram of the feeding machine in the plane type state;

[0030] Figure 13 is the structure schematic diagram of the feeding machine of the starter;

[0031] Explanation of reference signs: fixed base (1), support plate (2), rotating base (3), rotating shaft (4), feeding tray (5), fixed block (6), safety pin (7), steering motor (8), connecting shaft (9), opening module (10), roll stock (11), rear motor (12), manual rotating handle (13), ejector rod (14), punch (15), control box (16), starter (17); moving groove (101), fixed seat (102), connecting piece (103); connecting hole (201), middle fixed block (501); screw rod (1001), nut seat (1002), bearing piece (1003), connecting rod (1004); vertical guide rail (1701), buffer sensing start-stop switch (1702), sliding block (1703), upper sensing point (1704), lower sensing point (1705), roll stock connecting wheel (1706). DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, but will not constitute a limitation on the protection scope of the utility model.

[0033] In the utility model, in order that the description is clearer, the following is explained: an observer faces the attached Figure 2 figure and observes, the left side of the observer is set as front, the right side of the observer is set as rear, the front of the observer is set as right, the rear of the observer is set as left, the upper surface of the observer is set as upper, the lower surface of the observer is set as lower, it should be pointed out that the terms "front end", "rear end", "left side", "right side", "middle part", "upper", "lower" and the like in the text indicate the orientation or positional relationship based on the attached figure, and are only for the convenience of clearly describing the utility model, and are not indicative or suggestive of the structure or parts indicated having a particular orientation or being constructed in a particular orientation, therefore, it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third", "fourth" are only for the purpose of clarity or simplification of description, and cannot be understood as indicative or suggestive of relative importance or quantity.

[0034] Reference is made to Figures 1 to 13The embodiment provides a feeder which comprises a fixed base 1, support plates 2 arranged on the left and right sides of the top surface of the fixed base 1, a rotating base 3 arranged above the fixed base 1, the rotating base 3 being located between the support plates 2 on the left and right sides, the left and right ends of the rotating base 3 being rotatably connected with the support plates 2 on the left and right sides through rotating shafts 4, so that the rotating base 3 can be flipped up and down around the rotating shafts 4, one end surface of the rotating base 3 is provided with a feeding base plate 5, a fixed block 6 is arranged at the rear end of the top surface of the fixed base 1, and the bottom of the end surface of the rotating base 3 away from the feeding base plate 5 is connected with the front end surface of the fixed block 6 when the rotating base 3 is flipped down to a vertical state. A connecting hole 201 is arranged on the support plate 2 and located beside the rotating shaft 4, and the rotating base 3 is connected and matched with the connecting hole 201 through a safety pin 7 when the rotating base 3 is flipped up to a planar state. (1) The support plates are arranged on the left and right sides of the top surface of the fixed base, the rotating base is arranged above the fixed base, the rotating base is located between the support plates on the left and right sides, the left and right ends of the rotating base are rotatably connected with the support plates on the left and right sides through rotating shafts, so that the rotating base can be flipped up and down around the rotating shafts, so that the rotating base can be flipped down to a vertical state from a planar state, and the rotating base can also be flipped up to a planar state from a vertical state. (2) The feeding base plate is arranged on one end surface of the rotating base, the fixed block is arranged at the rear end of the top surface of the fixed base, and the bottom of the end surface of the rotating base away from the feeding base plate is connected with the front end surface of the fixed block when the rotating base is flipped down to a vertical state. Therefore, when the rotating base with the feeding base plate is flipped down to a vertical state, the fixed block is connected, so that the rotating base and the feeding base plate can be kept in a stable vertical state, and the application range of the feeding base plate at this time is mainly thick plates and wide-width coils. (3) The connecting hole is arranged on the support plate and located beside the rotating shaft, and the rotating base is connected and matched with the connecting hole through the safety pin when the rotating base is flipped up to a planar state. Therefore, when the rotating base with the feeding base plate is flipped up to a planar state, the connecting hole and the safety pin are connected and matched, so that the rotating base and the feeding base plate can be kept in a stable planar state, and the application range of the feeding base plate at this time is mainly thin plates and narrow-width coils. It can be known from the above analysis that the utility model can be switched between a planar state and a vertical state, so that the punch does not need to be matched with multiple feeders for backup when used in stamping, and different application modes can be met, that is, one feeder can be matched with the punch for variable dual-purpose feeding mode.

[0035] Specifically, the rotating shaft 4 is located at the front upper end of the support plate 2, the connecting hole 201 is located at the rear upper end of the support plate 2, the fixing block 6 is located at the rear lower part between the left and right support plates 2, and the front end surface of the fixing block 6 is a vertical plane. Action: In this way, when the rotating base with the feeding tray is turned down to the vertical state, the rear lower end of the rotating base can be smoothly connected and matched with the front end surface of the fixing block 6 (here, the connection and matching can be screw connection and matching or any other connection mode that can realize the stability of the rotating base, which will not be described here), and when the rotating base with the feeding tray is turned up to the planar state, the rear end of the rotating base can be smoothly connected and matched with the connecting hole 201 through the safety pin.

[0036] Specifically, the rotating base 3 is polygonal, the feeding tray 5 is circular, and the diameter of the feeding tray 5 is greater than the width between the left and right support plates 2; the front end surface of the support plate 2 is a vertical plane, the front upper end surface of the support plate 2 is a clearance inclined surface, and the feeding tray 5 can be turned to the front or upper part of the left and right support plates 2. Action: The feeding tray 5 is located outside (such as the front or upper part) of the left and right support plates 2, so that the feeding tray 5 has a large enough space; and the clearance inclined surface can avoid interference of the feeding tray 5 with the up-down turning of the support plate 2.

[0037] Specifically, the support plate 2 is provided with a steering motor 8, and the steering motor 8 is in transmission connection with the rotating shaft 4, so that the steering motor 8 can drive the rotating base 3 to turn up and down through the rotating shaft 4. Action: When the rotating base with the feeding tray needs to be turned up to the planar state, the rotating shaft 4 is rotated by starting the steering motor 8, the rotating base with the feeding tray is turned up to the planar state, and the safety pin is inserted; and when the rotating base with the feeding tray needs to be turned down to the vertical state, the rotating shaft 4 is rotated by starting the steering motor 8, the rotating base with the feeding tray is turned down to the vertical state, and the bottom of the end surface of the rotating base away from the feeding tray is connected with the front end surface of the fixing block.

[0038] Specifically, the middle part of the feeding tray 5 is connected with the middle part of the rotating base 3 through a connecting shaft 9, and the end surface of the feeding tray 5 away from the rotating base 3 is provided with a straining module 10, which can be used to tighten the roll material 11. Action: The feeding tray 5 is connected with the rotating base 3 through the connecting shaft 9, so as to facilitate the up-down turning of the rotating base with the feeding tray; and the straining module 10 is arranged, so that the roll material can be appropriately tightened during work, and loosened when it needs to be taken down.

[0039] Specifically, the expansion module 10 comprises a screw rod 1001, a nut seat 1002, a plurality of bearing pieces 1003, the screw rod 1001 is rotationally arranged on the middle fixed block 501 of the feeding base 5, the nut seat 1002 is assembled on the screw rod 1001, and the plurality of bearing pieces 1003 are arranged around the nut seat 1002; the bearing piece 1003, the nut seat 1002 and the middle fixed block 501 are hingedly connected through a plurality of connecting rods 1004, so that the nut seat 1002 can drive the plurality of bearing pieces 1003 to contract and expand along the reciprocating movement of the screw rod 1001. Action: through the forward and reverse rotation of the screw rod 1001, the nut seat 1002 moves forward and backward, the connecting rod 1004 moves correspondingly and expands or contracts the plurality of bearing pieces 1003, and the plurality of bearing pieces 1003 expand outward to expand the roll material 11 or loosen the roll material 11.

[0040] In embodiment 1, the rear motor 12 is arranged at one end of the rotary base 3 away from the feeding base 5, one end of the screw rod 1001 is connected and matched with the nut seat 1002, the middle part of the screw rod 1001 is rotationally matched with the middle fixed block 501 of the feeding base 5, and the other end of the screw rod 1001 penetrates through the connecting shaft 9 and is in transmission connection with the rear motor 12, so that the rear motor 12 can drive the screw rod 1001 to rotate. Action: start the rear motor 12, the screw rod 1001 rotates forward, drives the nut seat 1002 to move backward, the connecting rod 1004 moves and expands the plurality of bearing pieces 1003, the plurality of bearing pieces 1003 expand outward to expand the roll material 11, and the roll material 11 expansion and tightening action is completed, and when the screw rod 1001 reversely rotates, the roll material 11 loosening action is correspondingly completed.

[0041] In embodiment 2, one end of the screw rod 1001 is provided with a manual rotating handle 13, the middle part of the screw rod 1001 is connected and matched with the nut seat 1002, and the other end of the screw rod 1001 is rotationally matched with the middle fixed block 501 of the feeding base 5, so that the manual rotating handle 13 can drive the screw rod 1001 to rotate. Action: use the manual rotating handle 13 to make the screw rod 1001 rotate forward, drive the nut seat 1002 to move backward, the connecting rod 1004 moves and expands the plurality of bearing pieces 1003, the plurality of bearing pieces 1003 expand outward to expand the roll material 11, and the roll material 11 expansion and tightening action is completed, and when the screw rod 1001 reversely rotates, the roll material 11 loosening action is correspondingly completed.

[0042] Specifically, the front end of the top surface of the fixed base 1 is provided with a moving groove 101 extending along left and right, the middle part of the moving groove 101 is provided with a fixed seat 102, and the left and right ends of the fixed seat 102 are respectively rotationally connected with two top rods 14; the two top rods 14 can be respectively placed on the left and right sides of the moving groove 101, the two top rods 14 can upwardly abut against one end of the screw rod 1001, and the two top rods 14 can be detachably connected together through a connecting piece 103. Action: when it is needed to put the material 11 on the feeding tray 5, the two top rods 14 are placed on the left and right sides of the moving groove 101; when the material has reached the feeding tray 5, the two top rods 14 are upwardly abutted against the end of the screw rod 1001, and then the two top rods 14 are connected together through the connecting piece 103, so as to avoid the material 11 from falling outwards. Of course, the mounting mode of the two top rods 14 can also be other structures, which can be selected according to needs, and will not be limited here.

[0043] The utility model also provides a kind of stamping feeding device, including punch 15, still including the feeder of any one of above technical solutions, and the supporting plate 2 of feeder is equipped with control box 16, and feeder is equipped with starter 17 between punch 15, and control box 16 is electrically connected with starter 17;Vertical guide rail 1701 is equipped on starter 17, and the middle part of vertical guide rail 1701 is equipped with buffer response start-stop switch 1702, and vertical guide rail 1701 is slidably equipped with sliding block 1703, and sliding block 1703 is equipped with upper response point 1704, lower response point 1705, material connecting wheel 1706 sequentially from top to bottom, and upper response point 1704, lower response point 1705 can be respectively inducted with buffer response start-stop switch 1702 response cooperation, and material connecting wheel 1706 can be received material 11. Action: case 1 (when needing to start feeding): punch 15 pulls material 11 movement, then material 11 sequentially drives material connecting wheel 1706, sliding block 1703 upward movement, then lower response point 1705 is inducted with buffer response start-stop switch 1702 response cooperation, then control box 16 receives signal, and control box 16 controls feeder to cooperate feeding.Case 2 (when needing to stop feeding): punch 15 no longer pulls material 11 movement, then material 11 follows material connecting wheel 1706, sliding block 1703 downward movement, then upper response point 1704 is inducted with buffer response start-stop switch 1702 response cooperation, then control box 16 receives signal, and control box 16 can control feeder to stop cooperating feeding.Case 3 (when needing to feed in plane state): it can be that rotating base is with feeding tray and is turned up 90 ° for plane state.

[0044] The above is the preferred embodiment of the utility model, and it should be pointed out that, for ordinary skilled person in the art, without departing from the principle of the utility model, a number of improvements and refinements can be made, and these improvements and refinements are also regarded as the protection scope of the utility model.

Claims

1. A feeder comprising a fixed base (1), characterised in that: The left and right sides of the top surface of the fixed base (1) are respectively provided with support plates (2), the upper side of the fixed base (1) is provided with a rotating base (3), the rotating base (3) is located between the left and right support plates (2), and the left and right ends of the rotating base (3) are respectively rotatably connected with the left and right support plates (2) through rotating shafts (4), so that the rotating base (3) can be flipped up and down around the rotating shafts (4); one end surface of the rotating base (3) is provided with a feeding base plate (5), and the rear end of the top surface of the fixed base (1) is provided with a fixed block (6); when the rotating base (3) is flipped downward to a vertical state, the bottom of one end surface of the rotating base (3) away from the feeding base plate (5) is connected with the front end surface of the fixed block (6); the support plates (2) are provided with connecting holes (201), the connecting holes (201) are located beside the rotating shafts (4), and when the rotating base (3) is flipped upward to a planar state, the rotating base (3) is connected and matched with the connecting holes (201) through safety pins (7).

2. The feeder of claim 1, wherein: The rotating shafts (4) are located at the front upper ends of the support plates (2), the connecting holes (201) are located at the rear upper ends of the support plates (2), and the fixed blocks (6) are located at the rear lower sides between the left and right support plates (2), and the front end surfaces of the fixed blocks (6) are vertical planes.

3. The feeder of claim 1, wherein: The rotating base (3) is a polygon, the feeding base plate (5) is a circle, the diameter of the feeding base plate (5) is greater than the width between the left and right support plates (2), the front end surfaces of the support plates (2) are vertical planes, the front upper end surfaces of the support plates (2) are inclined surfaces, and the feeding base plate (5) can be flipped to the front or upper side of the left and right support plates (2).

4. The feeder of claim 1 wherein: The support plates (2) are provided with steering motors (8), the steering motors (8) are drivingly connected with the rotating shafts (4), so that the steering motors (8) can drive the rotating base (3) to flip up and down through the rotating shafts (4).

5. A feeder according to any one of claims 1 to 4, characterised in that: The middle part of the feeding base plate (5) is connected with the middle part of the rotating base (3) through a connecting shaft (9), one end surface of the feeding base plate (5) away from the rotating base (3) is provided with a stretching module (10), and the stretching module (10) can be used to tightly stretch a roll of material (11).

6. The feeder of claim 5 wherein: The expansion module (10) comprises a screw rod (1001), a nut seat (1002), and a plurality of bearing pieces (1003), the screw rod (1001) is rotationally arranged on the middle fixed block (501) of the feeding base plate (5), the nut seat (1002) is assembled on the screw rod (1001), and the plurality of bearing pieces (1003) are arranged around the nut seat (1002); the bearing piece (1003), the nut seat (1002), and the middle fixed block (501) are hingedly connected through a plurality of connecting rods (1004), so that the reciprocating movement of the nut seat (1002) along the screw rod (1001) can drive the contraction and expansion of the plurality of bearing pieces (1003).

7. The feeder of claim 6 wherein: The rotary base (3) is provided with a rear motor (12) at one end away from the feeding base plate (5), one end of the screw rod (1001) is connected and matched with the nut seat (1002), the middle part of the screw rod (1001) is rotationally matched with the middle fixed block (501) of the feeding base plate (5), and the other end of the screw rod (1001) penetrates through the connecting shaft (9) and is drivingly connected with the rear motor (12), so that the rear motor (12) can drive the screw rod (1001) to rotate.

8. The feeder of claim 6 wherein: One end of the screw rod (1001) is provided with a manual rotating handle (13), the middle part of the screw rod (1001) is connected and matched with the nut seat (1002), and the other end of the screw rod (1001) is rotationally matched with the middle fixed block (501) of the feeding base plate (5), so that the manual rotating handle (13) can drive the screw rod (1001) to rotate.

9. The feeder of claim 6 wherein: The front end of the top surface of the fixed base (1) is provided with a moving groove (101) extending along the left and right, the middle part of the moving groove (101) is provided with a fixed seat (102), and the left and right ends of the fixed seat (102) are respectively rotationally connected with two top rods (14); the two top rods (14) can be respectively placed on the left and right sides of the moving groove (101), the two top rods (14) can upwardly abut against one end of the screw rod (1001), and the two top rods (14) can be detachably connected together through a connecting piece (103).

10. A press feeding device comprising a press (15), characterized in that: The feeder of any one of claims 1-9, wherein the support plate (2) is provided with a control box (16), the feeder is provided with a starter (17) between the feeder and the punch (15), the control box (16) is electrically connected with the starter (17); the starter (17) is provided with a vertical guide rail (1701), the middle part of the vertical guide rail (1701) is provided with a buffer induction start-stop switch (1702), the vertical guide rail (1701) is slidably provided with a sliding block (1703), the sliding block (1703) is provided with an upper induction point (1704), a lower induction point (1705) and a roll material connecting wheel (1706) arranged in sequence from top to bottom, the upper induction point (1704) and the lower induction point (1705) are respectively inductively matched with the buffer induction start-stop switch (1702), and the roll material connecting wheel (1706) can receive the roll material (11).

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