A self-contained feeding device

Abstract

The present invention provides a self-contained feeding device, including a frame, a feeding trough assembly, a material lifting flap assembly, a material taking assembly, a transmission assembly and a driving assembly; the feeding trough assembly includes a trough body and a discharge hopper, the discharge hopper is provided with a material lifting port, and the trough body is used to hold steel pipes; the material lifting flap assembly includes a first hinged seat, a connecting trough and a material lifting block; the material taking mechanism includes a material taking trough, a material taking slider and a material taking slide rail; the transmission assembly is used to drive the connecting trough to rotate, the connecting trough is used to drive the material lifting block to pass through the material lifting port upward to lift the steel pipe and discharge it from the discharge hopper, and the steel pipe rolls onto the material taking trough after being discharged, and the transmission assembly can drive the material taking trough to move to the gripping position of the manipulator; the driving assembly is used to drive the rocker to make the rocker swing back and forth. Due to the adoption of the above technical scheme, the present invention can save time and labor and reduce labor costs.

Description

Technical Field

[0001] The invention belongs to the technical field of steel pipe manufacturing, in particular to a self-contained feeding device. Background Art

[0002] In the process of steel pipe production and processing, the initially formed steel pipe blank needs to be further processed to make the steel pipe meet the use requirements. When the steel pipe is further processed, the steel pipe blank needs to be placed in the gripping position of the robot, and then the robot grabs the steel pipe, and through the rotation and movement of the robot, the steel pipe blank is moved to the processing station for further processing. However, at present, when loading the steel pipe blank, workers need to continuously put the steel pipes one by one into the gripping position of the robot, which is not only time-consuming and labor-intensive, but also increases labor costs. Summary of the invention

[0003] To solve the technical problems existing in the above-mentioned prior art, the present invention provides a self-contained feeding device.

[0004] The objective of the present invention is achieved through such a technical scheme, which includes a frame, a feeding trough assembly, a top material flap assembly, a material taking assembly, a transmission assembly and a driving assembly; the feeding trough assembly includes a trough body and a discharge hopper, the trough body is fixedly mounted on the frame, the trough body is used to place steel pipes, the bottom plate of the trough body is tilted downward from left to right, an opening for only one steel pipe to slide out at a time is provided between the lower end of the right side plate of the trough body and the bottom plate of the trough body, the discharge hopper is fixedly arranged on the right side of the trough body, the bottom wall of the discharge hopper includes a first wall section directly connected to the bottom wall of the trough body, a second wall section located at the right end of the first wall section and bent upward, and a third wall section located at the upper end of the first wall section and bent to the right, the third wall section is tilted downward from left to right, and a top material opening is provided at the right end of the first wall section; the top material flap assembly includes a first hinge seat, a connecting groove and a top material block, the first hinge seat is fixed on the frame, the right end of the connecting groove is hinged on the hinge seat, and the top material block is fixedly connected to the connecting groove The upper side of the left end of the connecting groove; the material picking mechanism includes a material picking trough, a material picking slide block and a material picking slide rail, the material picking trough is fixed on the material picking slide block, the material picking slide block is slidably matched on the material picking slide rail, and the material picking slide rail is fixed on the frame along the left and right directions; the transmission assembly includes a second hinged seat, a rocker, a connecting rod, a flap connecting rod, a flap slide block and a top material slide rail, the second hinged seat is fixed on the frame, the lower end of the rocker is hinged on the second hinged seat, the upper end of the rocker is hinged to the left of the connecting rod The lower end is hinged, the upper right end of the connecting rod is hinged on the material picking slider, the lower right end of the flap connecting rod is hinged on the flap slider, the upper left end of the flap connecting rod is hinged on the flap slider, the flap slider is slidably fitted on the top material slide rail, and the top material slide rail is fixed to the lower side of the connecting groove through the mounting seats at both ends thereof, the transmission assembly is used to drive the connecting groove to rotate, and the connecting groove is used to drive the top material block upward through the top material port; the driving assembly is used to drive the rocker arm to make the rocker arm swing back and forth left and right.

[0005] Furthermore, the driving assembly includes a cam mechanism motor, a cam, a sleeve and a positioning frame, the cam is disc-shaped, the edge of the front side of the cam is provided with a first flange, the edge of the rear side of the cam is provided with a second flange, the rotating shaft of the cam mechanism motor is eccentrically arranged on the cam, the sleeve is slidably fitted on the rocker, the positioning frame is fixed on the sleeve, the positioning frame is a U-shaped structure opening to the right, two first bearings are provided on the front side wall of the inner cavity of the positioning frame, two second bearings are provided on the rear side wall of the inner cavity of the positioning frame, the first flange is located between the two first bearings, and the second flange is located between the two second bearings.

[0006] Furthermore, the material taking trough is a V-shaped groove with an opening facing upward.

[0007] Furthermore, a material taking baffle is fixedly provided on the right side of the material taking trough.

[0008] Furthermore, an outer shell plate is fixed to the frame, and two flap positioning bolts are provided on the outer shell plate, and the upper ends of the two flap positioning bolts are respectively supported on the lower side surfaces of the front and rear parts of the left end of the connecting groove, and the lower end of the flap positioning bolt is provided with a first nut and a second nut, the first nut is located on the upper side of the outer shell plate, and the second nut is located on the lower side of the outer shell plate, and the lower end of the flap positioning bolt passes through the first nut and the outer shell plate in sequence and is screwed into the second nut.

[0009] Due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0010] 1. When installing the manipulator, make the gripping position of the manipulator be at the extreme position of the rightward movement of the feeding trough. When using the present invention, fill the trough with steel pipes. On the inclined bottom plate of the trough, the steel pipes can roll through the opening one by one to the top material port position at the right end of the first wall section, and be supported on the upper ends of the left and right side walls of the top material port. Start the driving device, and the driving device drives the rocker to swing back and forth left and right. When the driving device drives the rocker to swing to the left with the axis of the hinge shaft at its lower end as the rotation center, the upper end of the rocker drives the connecting rod to move to the left, and the connecting rod drives the feeding slider to move to the left on the feeding slide rail. The feeding slider drives the flap connecting rod and the feeding trough to slide to the left, and the flap connecting rod drives the flap slider to move to the left on the top material slide rail. During the movement of the flap connecting rod to the left, the upper end of the flap connecting rod will rotate to the upper right with the axis of the hinge shaft between the flap connecting rod and the feeding slider as the rotation center, so as to move the connecting rod to the left. The left end of the groove is pushed up, so that the left end of the connecting groove rotates upward with the axis of the hinge shaft of the connecting groove and the first hinge seat as the rotation center, and the lifting block moves upward with the left end of the connecting groove. In the process of moving upward, the lifting block can pass through the lifting port and push the steel pipe located at the lifting port upward to the upper end of the second wall segment, and then the lifted steel pipe will roll onto the third wall segment and roll rightward along the third wall segment to the connecting groove. When the rocker swings to the extreme position on the left, the material taking groove can slide to the extreme position on the left with the material taking slider, that is, the lower side of the right end of the connecting groove, and move from the connecting groove to the upper end. The steel pipe rolling down to the right can roll onto the material taking trough; when the rocker arm swings to the extreme position on the left side, the driving device drives the rocker arm to swing to the right with the axis of the hinge shaft at its lower end as the rotation center, the upper end of the rocker arm drives the connecting rod to move to the right, the connecting rod drives the material taking slider to move to the right on the material taking slide rail, the material taking slider drives the flap connecting rod and the material taking trough to slide to the right, the flap connecting rod drives the flap sliding rod to move to the right on the top material slide rail, and in the process of the flap connecting rod moving to the right, the upper end of the flap connecting rod will rotate to the lower left with the axis of the hinge shaft of the flap connecting rod and the material taking slider as the rotation center. , so that the left end of the connecting groove falls back downward, so that the left end of the connecting groove rotates downward with the axis of the hinge shaft of the connecting groove and the first hinge seat as the rotation center, and the ejection block moves downward with the left end of the connecting groove. The ejection block can be pulled downward from the ejection port during the downward rotation process, and the steel pipe on the left side of the ejection port will roll to the ejection port position and be supported on the upper ends of the left and right side walls of the ejection port. When the rocker swings to the right extreme position, the material trough can slide to the grabbing position of the manipulator with the material grabbing slider, and the manipulator grabs the steel pipe on the material trough and grabs the steel pipe to the processing station for processing. The driving device drives the rocker to swing back and forth continuously, that is, it can continuously load materials to the grabbing position of the manipulator.

[0011] It is only necessary to refill the tank with steel pipes before all the steel pipes in the tank are discharged. The self-contained feeding device provided by the present invention can automatically feed the materials to the grasping position of the robot, which saves time and labor and can reduce labor costs.

[0012] 2. The driving assembly includes a cam mechanism motor, a cam, a sleeve and a positioning frame. The cam is disc-shaped, the front edge of the cam is provided with a first flange, the rear edge of the cam is provided with a second flange, the rotating shaft of the cam mechanism motor is eccentrically arranged on the cam, the sleeve is slidably fitted on the rocker, the positioning frame is fixed on the sleeve, the positioning frame is a U-shaped structure with an opening to the right, two first bearings are arranged on the front side wall of the inner cavity of the positioning frame, two second bearings are arranged on the rear side wall of the inner cavity of the positioning frame, the first flange is located between the two first bearings, and the second flange is located between the two second bearings. The rotation of the cam mechanism motor drives the cam to rotate, and the upper end of the rocker can be pushed to the left or pulled to the right through the rotation of the cam, and the rocker can be continuously swung back and forth left and right through the continuous rotation of the cam.

[0013] 3. The material trough is a V-shaped groove with the opening upward, so that the steel pipe can be placed in the V-shaped groove more stably and is not easy to roll left and right.

[0014] 4. A material-retrieving baffle is fixed on the right side of the material-retrieving trough. After the steel pipe rolls from the connecting trough to the material-retrieving trough, the baffle can block the steel pipe to prevent it from rolling out of the material-retrieving trough from the right side.

[0015] 5. The frame is fixed with a housing plate, and two flap positioning bolts are arranged on the housing plate. The upper ends of the two flap positioning bolts are supported on the lower side surfaces of the front and rear parts of the left end of the connecting groove respectively. The lower end of the flap positioning bolt is provided with a first nut and a second nut. The first nut is located on the upper side of the housing plate, and the second nut is located on the lower side of the housing plate. The lower end of the flap positioning bolt passes through the first nut and the housing plate in sequence and is screwed into the second nut. The first nut and the second nut can be rotated on the flap positioning bolt to adjust the positions of the first nut and the second nut on the flap positioning bolt so that the upper end of the flap positioning bolt changes in the upper and lower positions, thereby adjusting the inclination angle of the bottom plane of the connecting groove, adjusting the height of the left end of the connecting groove supported, adjusting the height of the top material block, while the stroke of the rocker swinging left and right remains unchanged, the stroke of the top material block moving upward remains unchanged, and the initial height of the top material block changes, so that the maximum height of the top material block after moving upward can be changed, that is, steel pipes of different diameters can be pushed to the upper end of the second wall section, and steel pipes of different diameters can be loaded, so that the application scope of the present invention is wider. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of a self-contained feeding device of the present invention;

[0017] Figure 2 yes Figure 1 Enlarged view of a in the middle;

[0018] Figure 3 yes Figure 1 Enlarged view of middle b;

[0019] Figure 4 yes Figure 1 Enlarged view of middle c;

[0020] Figure 5 yes Figure 1 Enlarged view of middle d;

[0021] Figure 6 It is a top view of a self-contained feeding device of the present invention;

[0022] Figure 7 yes Figure 6 Enlarged view of middle e;

[0023] Figure 8 yes Figure 6 The enlarged image of middle f;

[0024] Fig. 9 This is a diagram of the use state of a self-contained feeding device of the present invention;

[0025] Fig.10 yes Fig. 9 Enlarged view of middle g;

[0026] Fig.11 yes Fig. 9 Enlarged view of h in the middle;

[0027] Fig.12 yes Fig. 9 Enlarged view of i in the figure;

[0028] Fig.13 yes Fig. 9 Enlarged view of middle j.

[0029] In the figure, 1, frame; 2, trough body; 3, discharge hopper; 4, first wall section; 5, second wall section; 6, third wall section; 7, ejection port; 8, first hinge seat; 9, connecting groove; 10, ejection block; 11, material taking trough; 12, material taking slider; 13, material taking slide rail; 14, second hinge seat; 15, rocker; 16, connecting rod; 17, flap connecting rod; 18, flap slider; 19, ejection slide rail; 20, manipulator; 21, cam mechanism motor; 22, cam; 23, sleeve; 24, positioning frame; 25, first flange; 26, second flange; 27, first bearing; 28, second bearing; 29, material taking baffle; 30, outer shell plate; 31, flap positioning bolt; 32, first nut; 33, second nut. DETAILED DESCRIPTION

[0030] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below with reference to specific diagrams.

[0031] like Figure 1-8As shown, the present invention includes a frame 1, a feed trough assembly, a top material flap assembly, a material taking assembly, a transmission assembly and a drive assembly; the feed trough assembly includes a trough body 2 and a discharge hopper 3, the trough body 2 is fixedly mounted on the frame 1, the trough body 2 is used to place steel pipes, the bottom plate of the trough body 2 is tilted downward from left to right, an opening is provided between the lower end of the right side plate of the trough body 2 and the bottom plate of the trough body 2, the width of the opening is greater than the diameter of one steel pipe and less than the sum of the diameters of two steel pipes, so that the opening is only for one steel pipe to slide out at a time, and the discharge hopper 3 is fixedly arranged on the right side of the trough body 2 The bottom wall of the discharge hopper 3 includes a first wall section 4 fixedly connected to the bottom wall of the trough body 2, a second wall section 5 located at the right end of the first wall section 4 and bent upward, and a third wall section 6 located at the upper end of the first wall section 4 and bent to the right. The third wall section 6 is inclined downward from left to right, and a top-feeding port 7 is provided at the right end of the first wall section 4; the top-feeding flap assembly includes a first hinge seat 8, a connecting groove 9 and a top-feeding block 10. The first hinge seat 8 is fixed on the frame 1, the right end of the connecting groove 9 is hinged on the hinge seat, and the top-feeding block 10 is fixedly connected to the upper left end of the connecting groove 9. The feeding mechanism includes a feeding trough 11, a feeding slider 12 and a feeding slide rail 13. The feeding trough 11 is fixed on the feeding slider 12. The feeding slider 12 is slidably matched on the feeding slide rail 13. The feeding slide rail 13 is fixed on the frame 1 along the left and right directions. The transmission assembly includes a second hinged seat 14, a rocker 15, a connecting rod 16, a flap connecting rod 17, a flap slider 18 and a top material slide rail 19. The second hinged seat 14 is fixed on the frame 1. The lower end of the rocker 15 is hinged on the second hinged seat 14. The upper end of the rocker 15 is connected to the connecting rod 16. The lower left end is hinged, the upper right end of the connecting rod 16 is hinged on the material picking slider 12, the lower right end of the flap connecting rod 17 is hinged on the flap slider 18, the upper left end of the flap connecting rod 17 is hinged on the flap slider 18, the flap slider 18 is slidably fitted on the top material slide rail 19, and the top material slide rail 19 is fixed to the lower side of the connecting groove 9 through the mounting seats at both ends thereof. The transmission assembly is used to drive the connecting groove 9 to rotate, and the connecting groove 9 is used to drive the top material block 10 to pass upward through the top material port 7; the driving assembly is used to drive the rocker 15 to make the rocker 15 swing back and forth.

[0032] When installing the manipulator 20, the gripping position of the manipulator 20 is located at the extreme position of the rightward movement of the material trough 11. When using the present invention, the trough body 2 is filled with steel pipes. On the inclined bottom plate of the trough body 2, the steel pipes can roll through the opening one by one to the top material port 7 at the right end of the first wall section 4, and are supported on the upper ends of the left and right side walls of the top material port 7. The driving device is started, and the driving device drives the rocker 15 to swing back and forth left and right.

[0033] like Figure 9-13As shown, when the driving device drives the rocker 15 to swing to the left with the axis of the hinge shaft at its lower end as the rotation center, the upper end of the rocker 15 drives the connecting rod 16 to move to the left, and the connecting rod 16 drives the material picking slide 12 to move to the left on the material picking slide rail 13, and the material picking slide 12 drives the flap connecting rod 17 and the material picking trough 11 to slide to the left, and the flap connecting rod 17 drives the flap sliding block 18 to move to the left on the material lifting slide rail 19. When the flap connecting rod 17 moves to the left, the upper end of the flap connecting rod 17 will rotate to the upper right with the axis of the hinge shaft of the flap connecting rod 17 and the material picking slide 12 as the rotation center, and the left end of the connecting groove 9 will be lifted upward, so that the connecting groove 9 The left end of 9 rotates upward with the axis of the hinge axis of the connecting groove 9 and the first hinge seat 8 as the rotation center, and the lifting block 10 moves upward with the left end of the connecting groove 9. The lifting block 10 can pass through the lifting port 7 during the upward movement, and push the steel pipe located at the lifting port 7 upward to the upper end of the second wall section 5, and then the lifted steel pipe will roll onto the third wall section 6, and roll to the right along the third wall section 6 to the connecting groove 9. When the rocker 15 swings to the extreme position on the left, the material feeding trough 11 can slide to the extreme position on the left with the material feeding slider 12, that is, the lower side of the right end of the connecting groove 9, and the steel pipe rolling down to the right from the connecting groove 9 can roll onto the material feeding trough 11.

[0034] like Figure 1-5 As shown, when the rocker 15 swings to the extreme position on the left, the driving device drives the rocker 15 to swing rightward with the axis of the hinge shaft at its lower end as the rotation center, and the upper end of the rocker 15 drives the connecting rod 16 to move rightward, and the connecting rod 16 drives the material picking slide 12 to move rightward on the material picking slide rail 13, and the material picking slide 12 drives the flap connecting rod 17 and the material picking trough 11 to slide rightward, and the flap connecting rod 17 drives the flap sliding plate 18 to move rightward on the top material slide rail 19. In the process of the flap connecting rod 17 moving to the right, the upper end of the flap connecting rod 17 will rotate to the lower left with the axis of the hinge shaft between the flap connecting rod 17 and the material picking slide 12 as the rotation center. The left end of the connecting groove 9 is made to fall back downward, and the left end of the connecting groove 9 is made to rotate downward with the axis of the hinge shaft of the connecting groove 9 and the first hinge seat 8 as the rotation center. The ejection block 10 moves downward with the left end of the connecting groove 9. The ejection block 10 can be pulled downward from the ejection port 7 during the downward rotation process. The steel pipe on the left side of the ejection port 7 will roll to the position of the ejection port 7 and be supported on the upper ends of the left and right side walls of the ejection port 7. When the rocker 15 swings to the right extreme position, the material trough 11 can slide with the material retrieval slider 12 to the grabbing position of the manipulator 20. The manipulator 20 grabs the steel pipe on the material trough 11 and grabs the steel pipe to the processing station for processing. The driving device drives the rocker 15 to swing back and forth continuously, that is, it can continuously load materials to the grabbing position of the manipulator.

[0035] It is only necessary to refill the tank body 2 with steel pipes before all the steel pipes in the tank body 2 are discharged. The self-contained feeding device provided by the present invention can automatically feed the materials to the grasping position of the manipulator 20, saving time and labor and reducing labor costs.

[0036] like Figure 6 and Figure 8 As shown, the driving assembly includes a cam mechanism motor 21, a cam 22, a sleeve 23 and a positioning frame 24. The cam 22 is disc-shaped, and a first flange 25 is provided on the front edge of the cam 22, and a second flange 26 is provided on the rear edge of the cam 22. The rotating shaft of the cam mechanism motor 21 is eccentrically arranged on the cam 22, the sleeve 23 is slidably fitted on the rocker 15, and the positioning frame 24 is fixed on the sleeve 23. The positioning frame 24 is a U-shaped structure with an opening to the right. Two first bearings 27 are provided on the front side wall of the inner cavity of the positioning frame 24, and two second bearings 28 are provided on the rear side wall of the inner cavity of the positioning frame 24. The first flange 25 is located between the two first bearings 27, and the second flange 26 is located between the two second bearings 28. The rotation of the cam mechanism motor 21 drives the cam 22 to rotate, and the upper end of the rocker 15 can be pushed to the left or pulled to the right through the rotation of the cam 22, and the rocker 15 can be continuously swung back and forth by the continuous rotation of the cam 22.

[0037] like Figure 1 and Figure 3 As shown, the material taking trough 11 is a V-shaped groove with its opening upward, so that the steel pipe can be placed in the V-shaped groove more stably and is not easy to roll left and right.

[0038] like Figure 1 and Figure 3 As shown, a material taking baffle 29 is fixedly arranged on the right side of the material taking trough 11. After the steel pipe rolls from the connecting groove 9 to the material taking trough 11, the baffle can block the steel pipe to prevent the steel pipe from rolling out of the material taking trough 11 from the right side of the material taking trough 11.

[0039] like Figure 1 and Figure 5As shown, a shell plate 30 is fixedly provided on the frame 1, and two flap positioning bolts 31 are provided on the shell plate 30. The upper ends of the two flap positioning bolts 31 are respectively supported on the lower side surfaces of the front and rear parts of the left end of the connecting groove 9, and the lower end of the flap positioning bolt 31 is provided with a first nut 32 and a second nut 33. The first nut 32 is located on the upper side of the shell plate 30, and the second nut 33 is located on the lower side of the shell plate 30. The lower end of the flap positioning bolt 31 passes through the first nut 32 and the shell plate 30 in sequence and is screwed into the second nut 33. The first nut 32 and the second nut 33 can be rotated on the flap positioning bolt 31 to adjust the positions of the first nut 32 and the second nut 33 on the flap positioning bolt 31, so that the upper end of the flap positioning bolt 31 can change its upper and lower positions, thereby adjusting the inclination angle of the bottom plane of the connecting groove 9, adjusting the height at which the left end of the connecting groove 9 is supported, and adjusting the height of the top block 10. The left and right swinging stroke of the rocker arm 15 remains unchanged, and the upward moving stroke of the top block 10 remains unchanged. The change in the initial height of the top block 10 can change the maximum height of the top block 10 after it moves upward, that is, steel pipes of different diameters can be pushed to the upper end of the second wall segment, and steel pipes of different diameters can be loaded, making the application scope of the present invention wider.

[0040] The above are only implementation modes of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure made using the contents of the present invention's specification and drawings, directly or indirectly used in other related technical fields, are also within the patent protection scope of the present invention.

Claims

1. A self-contained feeding device, characterized in that: The machine comprises a frame, a feeding trough assembly, a top material flap assembly, a material taking assembly, a transmission assembly and a driving assembly; the feeding trough assembly comprises a trough body and a discharge hopper, the trough body is fixedly mounted on the frame, the trough body is used to place steel pipes, the bottom plate of the trough body is tilted downward from left to right, an opening is provided between the lower end of the right side plate of the trough body and the bottom plate of the trough body for only one steel pipe to slide out at a time, the discharge hopper is fixedly arranged on the right side of the trough body, and the bottom wall of the discharge hopper comprises a first wall connected to the bottom wall of the trough body The lifting plate assembly comprises a first hinged seat, a connecting groove and a lifting block, the first hinged seat is fixed on the frame, the right end of the connecting groove is hinged on the hinged seat, and the lifting block is fixedly connected to the upper side of the left end of the connecting groove; the material taking assembly comprises a material taking groove, a material taking sliding block and a material taking The feeding trough is a V-shaped groove with an opening upward, and a feeding baffle is fixed on the right side of the feeding trough; the feeding trough is fixed on the feeding slider, and the feeding slider is slidably matched on the feeding slide rail, and the feeding slide rail is fixed on the frame along the left and right directions; the transmission assembly includes a second hinge seat, a rocker, a connecting rod, a flap connecting rod, a flap slide rail and a top feeding slide rail, the second hinge seat is fixed on the frame, the lower end of the rocker is hinged on the second hinge seat, and the upper end of the rocker is hinged to the connecting rod The lower left end is hinged, the upper right end of the connecting rod is hinged on the material picking slider, the lower right end of the flap connecting rod is hinged on the flap slider, the upper left end of the flap connecting rod is hinged on the flap slider, the flap slider is slidably fitted on the top material slide rail, and the top material slide rail is fixed to the lower side of the connecting groove through the mounting seats at both ends thereof, the transmission assembly is used to drive the connecting groove to rotate, and the connecting groove is used to drive the top material block upward through the top material port; the driving assembly is used to drive the rocker arm to make the rocker arm swing back and forth left and right.

2. A self-contained feeding device as claimed in claim 1, characterized in that: The driving assembly includes a cam mechanism motor, a cam, a sliding sleeve and a positioning frame. The cam is disc-shaped, a first flange is provided on the edge of the front side of the cam, and a second flange is provided on the edge of the rear side of the cam. The rotating shaft of the cam mechanism motor is eccentrically arranged on the cam, the sliding sleeve is slidably fitted on the rocker, and the positioning frame is fixed on the sliding sleeve. The positioning frame is a U-shaped structure opening to the right, two first bearings are provided on the front side wall of the inner cavity of the positioning frame, and two second bearings are provided on the rear side wall of the inner cavity of the positioning frame. The first flange is located between the two first bearings, and the second flange is located between the two second bearings.

3. A self-contained feeding device as claimed in claim 1, characterized in that: An outer shell plate is fixed on the frame, and two flap positioning bolts are arranged on the outer shell plate. The upper ends of the two flap positioning bolts are respectively supported on the lower side surfaces of the front and rear parts of the left end of the connecting groove, and the lower ends of the flap positioning bolts are provided with a first nut and a second nut. The first nut is located on the upper side of the outer shell plate, and the second nut is located on the lower side of the outer shell plate. The lower end of the flap positioning bolt passes through the first nut and the outer shell plate in sequence and is screwed into the second nut.

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