CN213317295U

CN213317295U - High-speed feeder

Info

Publication number: CN213317295U
Application number: CN202021479770.6U
Authority: CN
Inventors: 莫承强; 莫承国
Original assignee: Wuxi Huistone Precision Machinery Co ltd
Current assignee: Wuxi Huistone Precision Machinery Co ltd
Priority date: 2020-07-23
Filing date: 2020-07-23
Publication date: 2021-06-01
Anticipated expiration: 2030-07-23

Abstract

The utility model discloses a high-speed feeder, which comprises a mounting frame, a feeding roller set, a feeding driving mechanism and a material loosening mechanism, wherein the feeding roller set comprises an upper feeding roller and a lower feeding roller; the material loosening mechanism comprises a material loosening connecting frame, a swinging piece, a cam and a material loosening driving mechanism; one end of the swinging piece is a power transmission part, the other end of the swinging piece is a loose material connecting part, the swinging piece is rotatably connected with the mounting frame, and a connecting point is positioned between the power transmission part and the loose material connecting part; the upper feeding roller is rotatably connected to the material loosening connecting frame, one end of the material loosening connecting frame is rotatably connected with the mounting frame, and the other end of the material loosening connecting frame is connected with the material loosening connecting part through a vertical connecting piece; the lower end of the vertical connecting piece is connected with the material loosening connecting frame, and the upper end of the vertical connecting piece is connected with the material loosening connecting part through a hinge joint. The utility model discloses can loosen the material when stamping process, be favorable to improving the conveying speed and the stamping process precision of material to simple structure is convenient for install and the debugging.

Description

High-speed feeder

Technical Field

The utility model relates to a coil stock conveying equipment, concretely relates to high-speed feeder.

Background

In the hardware stamping process, the conveying of materials is generally completed by a feeding machine. The intermittent forward movement is carried out under the action of the continuous material feeder, so that the processing coordination with the stamping equipment is realized, and the defects of unsafety, low efficiency and the like of the traditional manual feeding are overcome; in addition, in order to allow the material to have a certain space for expansion and deformation during the press working, the feeder needs to loosen the material during the working so that the material deforms, thereby improving the press precision.

The utility model patent with the publication number of CN204867156, which is entitled "NC servo feeder", drives the adjusting slider upward through the cylinder, so as to jack up the upper feed roller, separate the upper feed roller from the lower feed roller, and loosen the material; when the material is conveyed forwards continuously, the air cylinder retracts, the upper feeding roller automatically descends under the action of the spring, the material is compressed between the lower feeding rollers again, and the material is conveyed continuously. Although the above document discloses a feeding machine with a material loosening function, such a material loosening manner is not ingenious enough and is too direct, in a continuous stamping process, a cylinder needs to be frequently extended and retracted, equipment is easily damaged, parts on the feeding machine are impacted and vibrated to different degrees, and noise is large.

The utility model discloses a utility model patent that the publication number is CN209480871U discloses a "feeder", and it drives through relaxing the motor and loosens the cam and rotate, and the bearing fixed axle is loosened in the collision, drives the eccentric device front end again and reciprocates, mentions the pay-off upper wheel according to the relation of taking turns to realize the drive that makes progress of pay-off upper wheel, loosen the material. Compared with the former, the loosening mode is more continuous, and a loosening motor can work continuously; but the structure of the upper cover plate of the movable connecting block is very complicated; simultaneously, during the material loading, for the convenience of artifical material loading, the pay-off upper round needs take turns the separation with the pay-off, and the cylinder at this moment need can drive the pay-off upper round through multilayer conduction and rise, leads to the precision poor, influences operating speed to installation and debugging degree of difficulty increase.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the not enough of prior art, provide a high-speed feeder, this feeder simple structure, the installation and the debugging of being convenient for can loosen the material when the punching press adds man-hour, are favorable to improving punching press machining precision and production speed.

The purpose of the utility model is realized through the following technical scheme:

a high-speed feeder comprises a mounting frame, a feeding roller set, a feeding driving mechanism and a loosening mechanism, wherein the feeding driving mechanism drives the feeding roller set to move; the material loosening mechanism comprises a material loosening connecting frame, a swinging piece, a cam and a material loosening driving mechanism for driving the cam to rotate; the swing piece is positioned above the feeding roller set, one end of the swing piece is a power transmission part driven by the cam, the other end of the swing piece is a material loosening connecting part, the swing piece is rotatably connected with the mounting frame, and a connecting point is positioned between the power transmission part and the material loosening connecting part; two ends of the upper feeding roller are rotatably connected to the material loosening connecting frame, one end of the material loosening connecting frame is rotatably connected with the mounting frame, and the other end of the material loosening connecting frame is connected with the material loosening connecting part of the swinging piece through a vertical connecting piece; the lower end of the vertical connecting piece is connected with the material loosening connecting frame, and the upper end of the vertical connecting piece is connected with the material loosening connecting part through a hinge joint capable of swinging back and forth and left and right; the cam is correspondingly arranged above the power transmission part of the swinging piece.

The working principle of the high-speed feeder is as follows:

under the natural state (feeding state), the upper feeding roller is pressed on the lower feeding roller under the action of the gravity (or other external acting force) of the loose material connecting frame and the upper feeding roller. Before the equipment is operated, the position of the cam is adjusted to enable the swinging piece to rotate towards one end of the power transmission part, so that the material loosening connecting frame is pulled up through the vertical extending piece, and the upper feeding roller is separated from the lower feeding roller (or other external force is adopted to enable the upper feeding roller to be separated from the lower feeding roller); at the moment, the material is placed between the upper feeding roller and the lower feeding roller through a manual or mechanical arm, and initial feeding of the material is completed. After the initial feeding is finished, adjusting the cam again to enable the upper feeding roller to tightly press the material on the lower feeding roller, and enabling the equipment to be in a feeding preparation state; during feeding, the feeding driving mechanism drives the feeding roller set to rotate, the material at the moment is clamped by the upper feeding roller and the lower feeding roller, so that the upper feeding roller and the lower feeding roller convey the material forwards to a stamping station under the driving of the feeding driving mechanism, and the material is stamped by stamping equipment. The material loosening driving mechanism drives the cam to rotate while the materials are conveyed forwards; when the processing position of material moves to the punching press station and carries out the punching press man-hour, the cam supports tightly on the power conduction portion of swing piece to push down swing piece, make swing piece toward one side swing slope of power conduction portion, under the drive of vertical connecting piece, make the pine material link upwards rotate, thereby lift up last feed roll, finally make and go up feed roll and lower feed roll separation, loosen the material, so that the material carries out the punching press processing better. After the material is stamped and processed for one time, the cam does not press the swinging piece any more, the upper feeding roller presses the material on the lower feeding roller again, and the material is conveyed forwards continuously under the action of the feeding driving mechanism; so constantly, under the cooperation of pine material actuating mechanism and pay-off actuating mechanism, the material pressing and the pine material of pay-off roller are gone up in the circulation to accomplish the transport of material and pine material stamping process.

The utility model discloses a preferred scheme, still include the material loading separation actuating mechanism used for driving the said loose material link span to rotate upwards, this material loading separation actuating mechanism is set up on the said mounting bracket; the feeding separation driving mechanism is an air cylinder, a fixing plate is arranged on the mounting frame and is arranged below the loosening connecting frame, a cylinder body of the air cylinder is arranged on the fixing plate, and a telescopic piece of the air cylinder is arranged upwards; when the material loosening connecting frame works, the telescopic piece of the air cylinder is propped against the bottom of the material loosening connecting frame.

In a preferred embodiment of the present invention, the loosening connecting frame comprises a top plate, two side plates respectively disposed at two sides of the top plate, and a rotating shaft; two ends of the upper feeding roller are respectively and rotatably connected to the two side plates; the lower end of the vertical connecting piece is connected with the top surface of the top plate; and two ends of the rotating shaft penetrate through the two side plates respectively and then are rotatably connected with the mounting frame.

In a preferable scheme of the utility model, the loosening connecting frame is provided with a connecting hole for the vertical connecting piece to pass through; the lower end of the vertical connecting piece is provided with a clamping block for clamping a connecting hole, the clamping block is arranged below the connecting hole, and the vertical connecting piece is arranged in the connecting hole in a penetrating mode.

Preferably, the joint is a spherical joint.

The utility model discloses a preferred scheme, the department that corresponds of power conduction portion is equipped with support bearing, this support bearing with the cam corresponds the setting.

According to a preferable scheme of the utility model, an elastic element is arranged between the material loosening connecting frame and the mounting frame, one end of the elastic element acts on the mounting frame, and the other end acts on the material loosening connecting frame; the elasticity of the elastic element always drives the material loosening connecting frame to move downwards.

In a preferred embodiment of the present invention, the feeding driving mechanism is disposed outside the mounting frame and located at one side of the mounting frame; and a mounting frame is arranged between the feeding driving mechanism and the mounting frame, and a through hole for connecting a power output shaft of the feeding driving mechanism and the lower feeding roller is formed in the mounting frame.

The utility model discloses an optimal scheme, go up the feed roll and be equipped with the drive mechanism who is used for conducting power down between the feed roll, drive mechanism is gear drive, and this gear drive includes driving gear and driven gear, the driving gear sets up down on the feed roll, driven gear sets up go up on the feed roll, driving gear and driven gear accordant connection set up.

The utility model also comprises a material guiding component; the material guide assembly is arranged behind the material feeding roller set along the moving direction of the materials; the guide assembly comprises a guide rod and a limiting rod, two ends of the guide rod are respectively rotatably connected to the rack, and the limiting rod is arranged above the guide rod.

Compared with the prior art, the utility model following beneficial effect has:

1. the utility model discloses a feeder, the one end and the mounting bracket of pine material link wherein rotate to be connected to let the feed roll setting on the pine material link, thereby realize the control to last feed roll through the rotation of pine material link, and then realize the punching press of pine material and press the material to carry, simple structure is convenient for install and control, is favorable to reduce cost.

2. The utility model provides an upper end of vertical connecting rod is connected with the swing through the hinge that can be around and horizontal hunting to combine loose material link to rotate with the mounting bracket and be connected, thereby realize utilizing the swing of swing to drive lifting up or putting down of feed roll, the structure obtains great simplification, the assembly is simpler, weight is lighter, and can let the motion process of loose material link more smooth, be favorable to improving the motion precision and the speed of feed roll, improve production efficiency.

3. The utility model discloses a cam makes the swing of swing through the mode of pushing down for pine material actuating mechanism can set up in higher position, thereby lets leave sufficient space between pine material actuating mechanism and the pine material link, so that set up other spare parts on the pine material link, and then lets whole equipment more perfect. For example, in a feeding state, in order to sufficiently press the upper feeding roller against the lower feeding roller, a spring or other elastic element is generally arranged to urge the upper feeding roller to have a downward pressure, so that the material can be clamped more tightly, and the conveying force is larger; and the utility model discloses a loose material actuating mechanism and loose have sufficient space between the material link, consequently can set up compression spring or other types's elastic element between loose material link top and mounting bracket, realize the pushing down of the last feed roll of setting on the loose material link, ensure the normal transport of material.

Drawings

Fig. 1-4 are schematic structural views of one embodiment of the high-speed feeder of the present invention, wherein fig. 1 is a perspective view, fig. 2 is a perspective view from another view angle (a part of the fixing frame and a part of the installation box are not shown), fig. 3 is a front view (a material guiding assembly is not shown), and fig. 4 is a side view (a part of the fixing frame and a part of the installation box are not shown).

Detailed Description

The present invention will be further described with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.

Referring to fig. 1-4, the high-speed feeder of the embodiment includes a mounting frame, a feeding roller set, a feeding driving mechanism 4 for driving the feeding roller set to move, and a material loosening mechanism. The feeding roller group comprises an upper feeding roller 18 and a lower feeding roller 17, two ends of the lower feeding roller 17 are rotatably connected to the mounting frame, a power output shaft of the feeding driving mechanism 4 is connected with the lower feeding roller 17, and a transmission mechanism for transmitting power is arranged between the upper feeding roller 18 and the lower feeding roller 17; the material loosening mechanism comprises a material loosening connecting frame, a swinging piece 9, a cam 8 and a material loosening driving mechanism 3 for driving the cam 8 to rotate. The swinging piece 9 is positioned above the feeding roller set, one end of the swinging piece 9 is a power transmission part 10, the other end of the swinging piece 9 is a loose material connecting part 11, the swinging piece 9 is rotatably connected with the mounting frame, and a connecting point is positioned between the power transmission part 10 and the loose material connecting part 11; the two ends of the upper feeding roller 18 are rotatably connected to the material loosening connecting frame, one end of the material loosening connecting frame is a rotating connecting end 24, the other end of the material loosening connecting frame is a driving end 23, the rotating connecting end 24 is rotatably connected to the mounting frame, the driving end 23 is connected with a material loosening connecting part 11 of the swinging part 9 through a vertical connecting part 12, and the upper feeding roller 18 is located between the rotating connecting end 24 and the driving end 23; the lower end of the vertical connecting piece 12 is connected with the top of the driving end 23 of the loose material connecting frame, and the upper end of the vertical connecting piece is connected with the loose material connecting part 11 through a hinge joint capable of swinging back and forth and left and right; the cam 8 is correspondingly arranged above the power transmission part 10 of the swinging piece 9; the material loosening connecting frame further comprises a material feeding and separating driving mechanism 20 used for driving the material loosening connecting frame to rotate upwards around a rotating connecting end 24, and the material feeding and separating driving mechanism 20 is arranged on the mounting frame. In this embodiment, the distance between the power transmission part 10 and the connection point of the swinging part 9 and the mounting rack is larger than the distance between the loose material connection part 11 and the connection point, which is beneficial to making the action arm of the cam 8 longer and saving power. In this embodiment, the cam 8 is an eccentric wheel.

Referring to fig. 2 to 4, the feeding separation driving mechanism 20 is an air cylinder, a fixing plate 19 is arranged on the mounting frame, the fixing plate 19 is arranged below the driving end 23 of the loosening connecting frame, a cylinder body of the air cylinder is arranged on the fixing plate 19, and a telescopic part of the air cylinder is arranged upwards; during operation, the extensible member of cylinder pushes up on the bottom of drive end 23 of pine material link (under the non-operating condition, the extensible member of cylinder and drive end 23 bottom separation or just contact can, the extensible member and the pine material link of cylinder are mutually independent structure). The cylinder directly drives the loose material connecting frame to move, redundant transmission parts are reduced, the space is saved, the structure is simplified, the motion precision of the loose material connecting frame is improved, the motion precision of the upper feeding roller 18 is improved, the output force of the feeding separation driving mechanism 20 can be effectively reduced, and the cost is reduced. In addition, the cylinder is used as the driving mechanism, the telescopic piece of the cylinder is favorably not required to be connected with the loose material connecting frame, the loose material connecting frame is directly jacked during working, the equipment structure is simplified, the installation is convenient, the cylinder directly drives the loose material connecting frame to jack the upper feed roller 18, the driving force of the cylinder is favorably reduced, and the cost is saved. In this embodiment, the number of the air cylinders is two, which is beneficial to increasing the stability of the driving loose material connecting frame during moving, so that the loose material connecting frame is jacked up, the upper feeding roller 18 is separated from the lower feeding roller 17, and the feeding of the material is carried out at the initial stage. In addition, the feeding separation driving mechanism 20 may also be composed of other linear driving mechanisms, and may also be disposed above the material loosening connecting frame (which needs to be connected with the top of the material loosening connecting frame at this time), and may be flexibly disposed according to actual conditions and processing requirements.

Referring to fig. 2-4, the loosening connecting frame comprises a top plate 13, two side plates 14 respectively arranged at two sides of the top plate 13, and a rotating shaft 15; two ends of the upper feeding roller 18 are respectively and rotatably connected to the two side plates 14; the lower end of the vertical connecting piece 12 is connected with the top surface of the top plate 13; two ends of the rotating shaft 15 penetrate through the two side plates 14 respectively and then are rotatably connected with the mounting frame, and the rotating shaft 15 forms the rotating connecting end 24. By arranging the loose material connecting frame, the installation and the connection with the upper feed roller 18 and the vertical connecting piece 12 are facilitated; meanwhile, the rotary connection with the mounting frame is realized through the rotating shaft 15, the stability is good, and the upper feeding roller 18 can be jacked up conveniently during material loosening.

Referring to fig. 2-4, a driving end 23 of the loose material connecting frame (top plate 13) is provided with a connecting hole through which the vertical connecting piece 12 can pass; the lower end of the vertical connecting piece 12 is provided with a fixture block 16 for clamping a connecting hole, the fixture block 16 is arranged below the connecting hole, and the vertical connecting piece 12 is arranged in the connecting hole in a penetrating manner. When the material is loosened, the whole material loosening connecting frame is lifted up through the clamping blocks 16 in the vertical connecting piece 12, so that the upper feeding roller 18 is lifted up, and the material loosening is further realized. During initial feeding, the telescopic piece of the air cylinder jacks up the driving end 23 of the loosening connecting frame, so that the connecting hole in the loosening connecting frame moves upwards relative to the vertical connecting piece 12, and the upper feeding roller 18 is jacked up to facilitate feeding; at cylinder jack-up pine material link in-process, because the pine material link can up move for vertical connecting piece 12 is free to avoid simultaneously with vertical connecting piece 12 jack-up, and then avoid taking place the linkage with oscillating piece 9 and cam 8, realize the independent operation of material loading process, simple structure is and effectual, design benefit. In this embodiment, the lower end of the vertical connecting piece 12 is provided with an external thread, the fixture block 16 is a nut, and the diameter of the nut is larger than that of the connecting hole; such a connection is detachable, facilitating the mounting and dismounting and the adjustment of the position of the latch 16.

In this embodiment, the joint is a spherical joint. Adopt spherical hinge joint, be convenient for vertical connecting piece 12 upper end and swing 9 pine material connecting portion 11 be connected, be favorable to realizing during the during operation that vertical connecting piece 12 and pine material link span carry out the horizontal hunting around rotating the link 24 (pivot 15) upwards or when rotating downwards. In actual work, the motion of the vertical connecting piece 12 and the loosening connecting frame is a space type motion and not a unidirectional motion, so that a spherical hinge joint is adopted, the motion of the vertical connecting piece 12 and the loosening connecting frame is smoother, and the movement of the upper feeding roller 18 is ensured. Alternatively, the joint can be formed by a cross joint of the prior art.

Referring to fig. 3, a support bearing 27 is provided at a corresponding position of the power transmission part 10, and the support bearing 27 is provided corresponding to the cam 8. Through the arrangement of the supporting bearing 27, friction is reduced when the cam 8 is contacted with the power transmission part 10 and pressed downwards, the swinging part 9 can be effectively pressed downwards, and therefore the material loosening connecting frame and the upper feeding roller 18 are lifted up, and material loosening is further achieved.

Referring to fig. 3 and 4, an elastic element 28 is arranged between the loose material connecting frame and the mounting frame, one end of the elastic element 28 acts on the mounting frame, and the other end acts on the loose material connecting frame; the spring force of the spring element 28 always urges the loose connection to move downwards. Specifically, the elastic member 28 in this embodiment has two, both springs; wherein, the lower extreme of spring with the top of roof 13 is connected, and the upper end of spring upwards extends the setting and is connected with the mounting bracket top, and the spring is in compression state, lets whole pine material link have the trend of down moving (pushing down) to let last feed roll 18 compress tightly all the time on feed roll 17 down, stability when improving the pay-off is favorable to pressing from both sides the material tight. In addition, a compression spring guide column can be adopted, so that the moving stability of the loose material connecting frame is improved, the position of the spring is favorably kept, and the spring is prevented from being easily deformed and shifted.

Referring to fig. 1-3, the feeding driving mechanism 4 is disposed outside the mounting frame and on one side of the mounting frame; and a mounting frame 5 is arranged between the feeding driving mechanism 4 and the mounting frame, and a through hole 6 for connecting a power output shaft of the feeding driving mechanism 4 and the lower feeding roller 17 is arranged on the mounting frame 5. In this embodiment, the mounting frame 5 is formed by splicing and mounting four mounting plates, and the feeding driving mechanism 4 is a motor; through the setting of installing frame 5, be favorable to the fixed of motor to be favorable to being connected of motor spindle and feed roll 17 down, be favorable to improving motor spindle and feed roll 17's axiality down, and then improve the drive accuracy.

Referring to fig. 3 and 4, the transmission mechanism is a gear transmission mechanism, the gear transmission mechanism includes a driving gear 22 and a driven gear 21, the driving gear 22 is disposed on the lower feed roller 17, the driven gear 21 is disposed on the upper feed roller 18, and the driving gear 22 and the driven gear 21 are connected in a matching manner. The transmission of power is realized by adopting a gear transmission mechanism, the structure is simple, and the installation is convenient; in addition, when the upper feeding roller 18 is lifted up for loosening, the driven gear 21 can be partially meshed with the gear teeth of the driving gear 22, so that the driven gear and the driving gear are always matched to conduct power.

Referring to fig. 1, 2 and 4, a material guiding assembly 7 is further included; the material guide assembly 7 is arranged behind the material feeding roller set along the moving direction of the materials; the material guiding assembly 7 comprises a material guiding rod 25 and a limiting rod 26, two ends of the material guiding rod 25 are respectively rotatably connected to the rack, and the limiting rod 26 is arranged above the material guiding rod 25. In this embodiment, two sets of the material guiding assemblies 7 are provided, and the two sets of the material guiding assemblies 7 are arranged along the moving direction of the material. Through the setting of guide subassembly 7, be favorable to getting into the mounting bracket with the material guide to in getting into the feed roller group with the gesture of level (or being close the level), so that the feed roller group carries better, makes the transport of material more smooth.

Referring to fig. 1-4, the mounting bracket includes fixed frame 1 and install bin 2, the setting of fretwork is arranged in fixed frame 1 bottom, the roller set of sending, pine material link, fixed plate 19 and material loading separation actuating mechanism 20 all set up in fixed frame 1. The mounting box 2 is arranged at the top of the fixed frame 1, and the material loosening mechanism is arranged in the mounting box 2. The top of the fixing frame 1 is provided with an avoiding hole 29 for the vertical connecting piece 12 to pass through.

Referring to fig. 1-4, the working principle of the high-speed feeder of the embodiment is as follows:

in a natural state (feeding state), the upper feed roller 18 is pressed against the lower feed roller 17 under the gravity of the loose material connecting rack and the upper feed roller 18 and the elastic force of the elastic element 28. Before the equipment is operated, the feeding separation driving mechanism 20 drives the loose material connecting frame to rotate upwards around the rotating connecting end 24, so that the upper feeding roller 18 arranged on the loose material connecting frame also moves upwards along with the loose material connecting frame to be separated from the lower feeding roller 17, and at the moment, the material is placed between the upper feeding roller 18 and the lower feeding roller 17 through manpower or a mechanical arm, and initial feeding of the material is completed. After the initial feeding is finished, the feeding separation driving mechanism 20 drives the loosening connecting frame to rotate downwards and reset, so that the loosening connecting frame and the upper feeding roller 18 are in a feeding state; during feeding, the feeding driving mechanism 4 drives the lower feeding roller 17 to rotate, and the material at the moment is clamped by the upper feeding roller 18 and the lower feeding roller 17, so that under the driving of the feeding driving mechanism 4, the upper feeding roller 18 and the lower feeding roller 17 convey the material forwards to a punching station, and the material is punched by punching equipment. The material loosening driving mechanism 3 drives the cam 8 to rotate while the materials are conveyed forwards; when the processing position of material moves to the punching press station and carries out the punching press man-hour, cam 8 supports tightly on the power conduction portion 10 of swing 9, and push down swing 9, make swing 9 toward one side swing slope of power conduction portion 10, under the drive of vertical connecting piece 12, make the drive end 23 of pine material link rotate upwards around rotation link 24, thereby lift up last feed roll 18, finally make and go up feed roll 18 and lower feed roll 17 separation, loosen the material, so that the material carries out the punching press processing better. After the material is stamped and processed for one time, the cam 8 does not press the swinging piece 9 any more, the upper feeding roller 18 presses the material on the lower feeding roller 17 again under the gravity action of the material loosening connecting frame and the upper feeding roller 18, and the material is conveyed forwards continuously under the action of the feeding driving mechanism 4; therefore, the material pressing and loosening of the upper feeding roller 18 are carried out in a circulating manner under the matching of the material loosening driving mechanism 3 and the feeding driving mechanism 4, so that the material conveying and the material loosening stamping processing are completed.

The above is the preferred embodiment of the present invention, but the embodiment of the present invention is not limited by the above, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. A high-speed feeder comprises a mounting frame, a feeding roller set, a feeding driving mechanism and a loosening mechanism, wherein the feeding driving mechanism drives the feeding roller set to move; the material loosening mechanism is characterized by comprising a material loosening connecting frame, a swinging piece, a cam and a material loosening driving mechanism for driving the cam to rotate; the swing piece is positioned above the feeding roller set, one end of the swing piece is a power transmission part driven by the cam, the other end of the swing piece is a material loosening connecting part, the swing piece is rotatably connected with the mounting frame, and a connecting point is positioned between the power transmission part and the material loosening connecting part; two ends of the upper feeding roller are rotatably connected to the material loosening connecting frame, one end of the material loosening connecting frame is rotatably connected with the mounting frame, and the other end of the material loosening connecting frame is connected with the material loosening connecting part of the swinging piece through a vertical connecting piece; the lower end of the vertical connecting piece is connected with the material loosening connecting frame, and the upper end of the vertical connecting piece is connected with the material loosening connecting part through a hinge joint capable of swinging back and forth and left and right; the cam is correspondingly arranged above the power transmission part of the swinging piece.

2. The high-speed feeder according to claim 1, further comprising a feeding separation driving mechanism for driving the loose material connecting frame to rotate upwards, wherein the feeding separation driving mechanism is arranged on the mounting frame; the feeding separation driving mechanism is an air cylinder, a fixing plate is arranged on the mounting frame and is arranged below the loosening connecting frame, a cylinder body of the air cylinder is arranged on the fixing plate, and a telescopic piece of the air cylinder is arranged upwards; when the material loosening connecting frame works, the telescopic piece of the air cylinder is propped against the bottom of the material loosening connecting frame.

3. The high-speed feeder according to claim 1, wherein the loose material connecting frame comprises a top plate, two side plates respectively arranged at two sides of the top plate and a rotating shaft; two ends of the upper feeding roller are respectively and rotatably connected to the two side plates; the lower end of the vertical connecting piece is connected with the top surface of the top plate; and two ends of the rotating shaft penetrate through the two side plates respectively and then are rotatably connected with the mounting frame.

4. The high-speed feeder according to any one of claims 1 to 3, wherein the loose material connecting frame is provided with a connecting hole through which a vertical connecting piece can pass; the lower end of the vertical connecting piece is provided with a clamping block for clamping a connecting hole, the clamping block is arranged below the connecting hole, and the vertical connecting piece is arranged in the connecting hole in a penetrating mode.

5. The high-speed feeder of claim 4, wherein the hinge is a ball-joint.

6. The high-speed feeder according to claim 1, wherein a support bearing is provided at a position corresponding to the power transmission portion, and the support bearing is provided corresponding to the cam.

7. The high-speed feeder according to claim 1, wherein an elastic element is arranged between the loose material connecting frame and the mounting frame, one end of the elastic element acts on the mounting frame, and the other end of the elastic element acts on the loose material connecting frame; the elasticity of the elastic element always drives the material loosening connecting frame to move downwards.

8. The high-speed feeder according to claim 1, wherein the feeding driving mechanism is arranged outside the mounting frame and on one side of the mounting frame; and a mounting frame is arranged between the feeding driving mechanism and the mounting frame, and a through hole for connecting a power output shaft of the feeding driving mechanism and the lower feeding roller is formed in the mounting frame.

9. The high-speed feeder according to claim 1, wherein a transmission mechanism for transmitting power is arranged between the upper feeding roller and the lower feeding roller, the transmission mechanism is a gear transmission mechanism, the gear transmission mechanism comprises a driving gear and a driven gear, the driving gear is arranged on the lower feeding roller, the driven gear is arranged on the upper feeding roller, and the driving gear and the driven gear are arranged in a matching connection manner.

10. The high-speed feeder according to claim 1, further comprising a material guiding assembly; the material guide assembly is arranged behind the material feeding roller set along the moving direction of the materials; the guide assembly comprises a guide rod and a limiting rod, two ends of the guide rod are respectively rotatably connected to the rack, and the limiting rod is arranged above the guide rod.