Automatic feeding machine

Abstract

The utility model relates to the technical field of feeding equipment, in particular to an automatic feeding machine which mainly solves the problem that in the prior art, materials cannot be accurately judged, the automatic feeding machine is provided with a feeding module, the materials are preliminarily arranged through the feeding module and then enter a feeding module, the feeding module is provided with a combined track, and detection pieces are arranged on the two sides of the combined track. Whether the distance between the materials is appropriate or not can be detected, if not, a signal is sent out, work of the discharging module is stopped, the materials enter the quality inspection box to be discharged after passing through the feeding module, the discharging module recognizes whether the materials are accurately located on the material receiving arm or not through a calibration mechanism, if not, work of the discharging module is stopped, and the discharging module is started. The material receiving arm is conveyed to the position below the material clamping arm through the transverse moving mechanism, the height of the material clamping arm is changed through the material clamping push rod so that the material clamping arm can carry the materials to be separated from the material receiving arm, and then the material moving push rod is matched with the moving disc so that the materials can be placed on the detecting disc to be detected.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding equipment, in particular to an automatic feeding machine. Background Technique

[0002] An automatic feeding machine is an automated material conveying equipment that can automatically convey raw materials, parts or semi-finished products to designated positions according to production requirements. An automatic feeding machine usually consists of a storage bin, a conveying device, a positioning device, a control system, etc. The storage bin is used to store materials, the conveying device is used to convey materials from the storage bin to the designated position, the positioning device is used to accurately position the materials to the designated position, and the control system is used to control the operation of the entire equipment. The automatic feeding machine has the advantages of high automation, high work efficiency, high precision, labor and cost saving, etc. It can replace manual operation, reduce human error and improve work efficiency, and is applicable to various production fields. The existing feeding machines have poor performance in material detection and cannot quickly adjust when there are errors in the material arrangement. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the deficiencies in the prior art and provide an automatic feeding machine, which: is provided with a feeding module, through which the materials are preliminarily sorted and then enter the feeding module. The feeding module is provided with a combined track, and detection parts are arranged on both sides of it, which can detect whether the distance between materials is appropriate. If it is not appropriate, a signal will be sent to stop the work of the blanking module. After the materials pass through the feeding module, they enter the quality inspection box for blanking. The blanking module identifies whether the materials are accurately located on the receiving arm through a calibration mechanism. If not, the work of the blanking module will be stopped until the materials are accurately located on the receiving arm. The receiving arm is sent under the clamping arm through a lateral moving mechanism, and the height of the clamping arm is changed through a clamping push rod, so that it can clamp the materials and separate them from the receiving arm. Then, through the cooperation of a transfer push rod and a moving disk, the materials are placed on the detection disk for detection points. It has double-site detection, which can ensure that the materials are neatly arranged and the distance is reasonable, and can automatically clamp the materials into the detection disk.

[0004] The purpose of the utility model is realized through the following technical solutions:

[0005] An automatic feeding machine: It includes a box body and a quality inspection box. A feeding module, a feeding module, and a discharging module are provided on the box body. The feeding module is provided with a tray and a vibrating disk. The discharging port of the vibrating disk is connected to the feeding module. The feeding module is provided with a combined track and a detection component. A linear vibrator is provided under the combined track. The detection component is used to sense the position state of the materials in the combined track. A connection window is provided on the side wall of the quality inspection box. The head of the combined track passes through the connection window and enters the quality inspection box. The discharging module is arranged in the quality inspection box. The discharging module is provided with a discharging component and a material transferring component. The discharging component is provided with a calibration mechanism and a lateral moving mechanism. The lateral moving mechanism is connected with a material receiving arm. The lateral moving mechanism can drive the material receiving arm to reciprocate between the head of the combined track and the material transferring component, and send the materials sliding out from the head of the combined track into the material transferring component one by one. The material transferring component is provided with a clamping arm, which can transfer the fed materials to the detection disk.

[0006] In one embodiment, the combined track is provided with a bottom plate and side plates. The two side plates are installed on the bottom plate, and the distance between the two side plates forms a channel for the materials to pass through. A cover plate is further provided on the side plates. A detection slot 1 is formed between the two cover plates. A through detection channel is provided in the middle section of the side plates. The detection component is arranged outside the detection channel.

[0007] In one embodiment, the detection channel penetrates through the two side plates and is inclined. The side plates are provided with support pieces for placing the detection component. The support pieces are located below the detection channel. The detection component is an infrared detector. The part of the middle of the bottom plate in contact with the bottom surface of the materials is provided with wavy grooves, which can reduce the contact area between the bottom plate and the materials and reduce friction.

[0008] In one embodiment, the discharging component is provided with an I-shaped support platform. The lateral moving mechanism is arranged on the support platform. The lateral moving mechanism is provided with a movable plate. One side of the movable plate is connected with a push rod. A limiting track is arranged below the movable plate. The limiting track is fixedly installed on the support platform. The limiting track is embedded in the back surface of the movable plate. The material receiving arm is arranged on the movable plate. The material receiving arm is provided with a material receiving groove for receiving the materials.

[0009] In one embodiment, the side wall of the support platform is provided with a U-shaped fixed arm for placing the calibration mechanism. The calibration mechanism is provided with two infrared sensors. A detection hole for infrared light to pass through is provided in the middle of the material receiving groove. The calibration mechanism can identify whether the material receiving groove is empty through this detection hole. A limiting piece is further provided on the side wall of the support platform. The limiting piece restricts the moving path of the material receiving arm, so that it can only slide horizontally on the path limited by the limiting piece, realizing accurate discharging.

[0010] In one embodiment, the limiting member is provided with a limiting plate and a limiting post. On the top of the side of the limiting plate close to the material receiving arm, there is a limiting platform. On the side wall of the material receiving arm, there is a convex platform. The limiting platform can intercept the convex platform. The limiting post is attached to the side wall of the combined track, and the side wall of the limiting post is flush with the head of the combined track. The material moving member is arranged at the upper end of the limiting post.

[0011] In one embodiment, a clamping material push rod is connected to the upper end of the clamping material arm. The clamping material push rod can change the horizontal height of the clamping material arm so that the clamped material is separated from the material receiving groove. The clamping material push rod is placed on the moving disk. The moving disk is arranged on the cross track. On one side of the moving disk, there is a material moving push rod.

[0012] The beneficial effects of the present utility model are as follows: The infrared light emitted by the detection member passes through the detection groove and enters the combined track to sense whether the gap distance of the materials within the induction period is reasonable. If it is not reasonable, the lateral movement mechanism can be controlled to stop working and intercept at the outlet of the combined track. The linear vibrator continues to work, so that the unreasonable material spacing in the combined track is reduced to a reasonable range, and then the lateral movement mechanism starts to work. When the blanking member performs blanking, the calibration mechanism can detect whether there is a material received in the material receiving groove. After accurately receiving the material, it is moved to the material moving member through the lateral movement mechanism. The material moving member controls the height of the clamping material arm through the clamping material push rod, so that it can clamp the material and separate it from the material receiving groove. Then, through the cooperation of the material moving push rod and the moving disk, the material is placed on the detection disk for detection, having the advantages of real-time sensing of the material position and fast blanking and material moving. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present utility model, and thus should not be regarded as limiting the scope. For those of ordinary skill in the art, without creative efforts, other related drawings can also be obtained based on these drawings.

[0014] Figure 1 It is one of the structural schematic diagrams of the present utility model;

[0015] Figure 2 It is the second structural schematic diagram of the present utility model;

[0016] Figure 3 It is the third structural schematic diagram of the present utility model;

[0017] Figure 4 It is for the present utility model Figure 3 Enlarged view of part A;

[0018] Figure 5 It is one of the structural schematic diagrams of the feeding module of the present utility model;

[0019] Figure 6 The second structural schematic diagram of the feeding module of the present utility model;

[0020] Figure 7 The first structural schematic diagram of the combined track of the present utility model;

[0021] Figure 8 The second structural schematic diagram of the combined track of the present utility model;

[0022] Figure 9 The third structural schematic diagram of the combined track of the present utility model;

[0023] Figure 10 The structural schematic diagram of the bottom plate of the present utility model;

[0024] Figure 11 For the present utility model Figure 10 The enlarged view at position B;

[0025] Figure 12 The first structural schematic diagram of the blanking part of the present utility model;

[0026] Figure 13 The second structural schematic diagram of the blanking part of the present utility model;

[0027] Figure 14 The structural schematic diagram of the calibration mechanism of the present utility model;

[0028] Figure 15 The first structural schematic diagram of the material receiving arm of the present utility model;

[0029] Figure 16 The structural schematic diagram of the limit plate of the present utility model

[0030] Figure 17 The second structural schematic diagram of the material receiving arm of the present utility model;

[0031] Figure 18 The first structural schematic diagram of the material moving part of the present utility model;

[0032] Figure 19 The second structural schematic diagram of the material moving part of the present utility model.

[0033] In the figure: box body 1, quality inspection box 2, feeding module 3, material feeding module 4, blanking module 5, vibrating disk 6, combined track 7, detection piece 8, linear vibrator 9, connection window 10, blanking piece 11, material transfer piece 12, calibration mechanism 13, lateral moving mechanism 14, material receiving arm 15, material clamping arm 16, bottom plate 17, side plate 18, cover plate 19, detection groove 20, detection track 21, support piece 22, support platform 23, movable plate 24, push rod 25, material receiving groove 251, track 26, U-shaped fixed arm 261, detection hole 27, limiting piece 28, limiting plate 29, limiting column 30, limiting platform 31, convex platform 32, material clamping push rod 33, moving disk 34, transverse track 35, material transfer push rod 36. Detailed implementation manners

[0034] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided so that the disclosure of the present utility model can be understood more thoroughly and comprehensively.

[0035] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can also be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to the other element or there may be a middle element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are only for the purpose of illustration and do not represent the only embodiments.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the description of the present utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0037] Please refer to Figure 1-19An automatic feeding machine: comprising a box body 1 and a quality inspection box 2, the box body 1 is provided with a feeding module 3, a feeding module 4 and a discharging module 5, the working process is that the feeding module 3 is used to load the material, the material is fed into the quality inspection box 2 through the feeding module 4, the discharging module 5 unloads the material, and the inspection is completed in the quality inspection box 2, the feeding module 3 is provided with a tray and a vibration plate 6, the discharging port of the vibration plate 6 is connected with the feeding module 4 to realize orderly discharging, the feeding module 4 is provided with a combined track 7 and The detection member 8 is provided with a straight vibration member 9 under the combined track 7 to push the material forward. The detection member 8 is used to sense the position state of the material in the combined track 7. The side wall of the quality inspection box 2 is provided with a connecting window 10. The head of the combined track 7 passes through the connecting window 10 and enters the quality inspection box 2. The unloading module 5 is arranged in the quality inspection box 2. The unloading module 5 is provided with a unloading member 11 and a moving member 12. The unloading member 11 is provided with a calibration mechanism 13 and a lateral moving mechanism 14. The lateral The moving mechanism 14 is connected to a material receiving arm 15, and the transverse moving mechanism 14 can carry the material receiving arm 15 to reciprocate between the head of the combined track 7 and the material moving piece 12, and send the materials that slide out of the head of the combined track 7 into the material moving piece 12 one by one. The material moving piece 12 is provided with a clamping arm 16, which can transfer the fed materials to the detection plate. The specific working process is: the vibration plate 6 is started to send the materials into the combined track 7, and the materials are advanced in the combined track 7 through the straight vibration piece 9. At the same time, the detection piece 8 detects the materials in the combined track 7 to ensure that the materials are closely fitted. After the materials pass through the combined track 7, they enter the quality inspection box 2. After entering, the materials leave the combined track 7 and enter the material receiving arm 15. The calibration mechanism 13 senses whether the materials have completely entered the material receiving arm 15. If they have completely entered, the transverse moving mechanism 14 pushes the material receiving arm 15 that has received the materials into the material moving piece 12. After pushing in, the clamping arm 16 is started to transfer the materials to the detection plate for detection.

[0038] Preferably, the combined track 7 is provided with a bottom plate 17 and a side plate 18, the two side plates 18 are mounted on the bottom plate 17, and the spacing between the two side plates 18 forms a channel for the passage of materials, the side plates 18 are further provided with a cover plate 19, and a spacing is provided between the two cover plates 19 to form a detection groove 20, a through detection path 21 is provided in the middle section of the side plates 18, and the detection member 8 is arranged on the outside of the detection path 21.

[0039] By adopting the above technical solution, during installation, the side plate 18 is fixed to the bottom plate 17 by bolts, and then the cover plate 19 is installed on the top of the side plate 18 by bolts. The straight vibration member 9 generates vibration, so that the material is clamped between the two side plates 18 and moves forward. The detection member 8 senses whether the distance between the materials between the side plates 18 is appropriate through the detection channel 21. The detection channel 21 is linked with the calibration mechanism 13 to control whether the horizontal moving mechanism 14 discharges the material.

[0040] Preferably, the detection path 21 penetrates through the two side plates 18 and is inclined. The side plates 18 are provided with support plates 22 for placing the detection member 8. The support plates 22 are located below the detection path 21. The detection member 8 is an infrared detector. The middle part of the bottom plate 17 in contact with the bottom surface of the material is provided with a wavy slot.

[0041] By adopting the above technical solution, during installation, first install the support plate 22 on the side plate 18, and then install the detection member 8 on the support plate 22. One of the detection members 8 is an infrared emitter, and the other detection member 8 is an infrared receiver. When the material combination tracks 7 are closely arranged, the material will block the infrared rays emitted by the infrared emitter, indicating that the materials are arranged neatly and orderly. The blanking member 11 can maintain its working state and stably discharge materials. When there is a gap between two materials, the infrared receiver receives the infrared rays emitted by the infrared emitter. At this time, it indicates that there is a gap between the materials. The blanking member 11 cannot accurately receive the sliding-out materials, so the blanking member 11 stops working and blocks the discharge port of the combination track 7. At this time, the materials cannot leave the combination track 7, while the linear vibrator 9 maintains its working state to make the materials continue to advance, narrowing the gap between the two materials until it reaches the qualified range. Then the infrared rays are blocked by the materials again, and the blanking member 11 can continue to discharge materials.

[0042] Preferably, the blanking member 11 is provided with a support platform 23 in the shape of the letter "I". The lateral movement mechanism 14 is arranged on the support platform 23. The lateral movement mechanism 14 is provided with a movable plate 24. One side of the movable plate 24 is connected with a push rod 25. A limiting track 26 is arranged below the movable plate 24. The limiting track 26 is fixedly installed on the support platform 23. The limiting track 26 is embedded in the back surface of the movable plate 24. The receiving arm 15 is arranged on the movable plate. The receiving arm 15 is provided with a receiving groove 251 for receiving materials.

[0043] By adopting the above technical solution, when the lateral movement mechanism 14 works, the push rod 25 is pushed out, so that the movable plate 24 slides out on the limiting track 26, carrying the receiving arm 15 to be pushed out together, and the receiving arm 15 can enter the material transfer member 12. When receiving materials, the receiving groove 251 is located at the discharge port of the combination track 7, ensuring that the materials enter the receiving groove 251 immediately after leaving the combination track 7. And the two sides of the receiving groove 251 are flat side walls. When the receiving groove 251 enters the material transfer member 12, the side walls outside the receiving groove 251 can block the materials from sliding out of the combination track 7.

[0044] Preferably, a U-shaped fixed arm 261 for placing the calibration mechanism 13 is provided on the side wall of the support table 23. The calibration mechanism 13 is provided with infrared sensors, and there are two infrared sensors. A detection hole 27 for infrared light to pass through is provided in the middle of the material receiving groove 251. The calibration mechanism 13 can identify whether the material receiving groove 251 is empty through the detection hole 27. A limiting member 28 is also provided on the side wall of the support table 23. The limiting member 28 restricts the movement path of the material receiving arm 15 so that it can only slide horizontally on the path limited by the limiting member 28.

[0045] By adopting the above technical solution, the calibration mechanism 13 is provided with infrared sensors. There are two infrared sensors, one of which is an infrared emitter and the other is an infrared receiver. When the material slightly enters the material receiving groove 251, the detection hole 27 will not be blocked, and the infrared light emitted by the infrared emitter can be received by the infrared receiver. The lateral moving mechanism 14 is in a standby state. When the material enters the material receiving groove 251, it will block the detection hole 27, so that the infrared receiver no longer receives the infrared light. At this time, when the lateral moving mechanism 14 works, the push rod 25 is pushed out to start discharging materials.

[0046] Preferably, the limiting member 28 is provided with a limiting plate 29 and a limiting column 30. A limiting platform 31 is provided at the top of the side of the limiting plate 29 close to the material receiving arm 15. A convex platform 32 is provided on the side wall of the material receiving arm 15. The limiting platform 31 can intercept the convex platform 32. The limiting column 30 is attached to the side wall of the combined track 7, and the side wall of the limiting column 30 is flush with the head of the combined track 7. The material moving member 12 is provided at the upper end of the limiting column.

[0047] By adopting the above technical solution, the limiting platform 31 on the limiting plate 29 intercepts the convex platform 32 on the material receiving arm 15, enabling the material receiving arm 15 to move horizontally smoothly and discharge materials stably. Moreover, when the material receiving arm 15 is pushed out by the push rod 25, it is in a state of being clamped by the limiting plate 29 and the limiting column 30, ensuring that the clamping arm 16 can accurately pick up the material.

[0048] Preferably, a clamping push rod 33 is connected to the upper end of the clamping arm 16. The clamping push rod 33 can change the horizontal height of the clamping arm 16 to make it carry the material away from the material receiving groove 251. The clamping push rod 33 is placed on a moving disk 34. The moving disk 34 is provided on a transverse rail 35. A material moving push rod 36 is provided on one side of the moving disk 34.

[0049] By adopting the above technical solution, when the push rod 25 is fully pushed out, the material receiving groove 251 is just located under the clamping arm 16, and the clamping push rod 33 is pushed out, so that the clamping arm 16 is close to the material, and then the clamping arm 16 closes and clamps the material. At this time, the clamping push rod 33 is reset, so that the material is separated from the material receiving groove 251. At this time, the push rod 25 is reset, so that the empty material receiving groove 251 receives the newly pushed material by the combined track 7. At the same time, the moving plate 34 is pushed out by the material moving push rod 36, so that the clamping arm 16 is moved horizontally to the detection plate for detection.

[0050] Working principle: The vibration plate 6 can send the material into the inlet of the combined track 7, and then the material will be closely fitted after passing through the straight vibration piece 9 to evenly enter the quality inspection box 2. When loading, the detection piece 8 and the horizontal moving mechanism 14 are linked. When the detection piece 8 detects that the distance between the materials is too large, the horizontal moving mechanism 14 stops working and intercepts in front of the discharge port of the combined track 7, so that the material cannot leave the combined track 7. The straight vibration piece 9 continues to work, and the material behind continues to advance, pushing the material with too large a distance forward to reduce the gap. After ensuring that the material distance is reasonable, the horizontal moving mechanism 14 continues to work to unload the material and calibrate it. The mechanism 13 senses in real time whether the material receiving trough 251 is empty. If the material receiving trough 251 is empty, the horizontal moving mechanism 14 will not be pushed out, and the straight vibration member 9 will continue to work until the material slides out of the combined track 7 and completely enters the material receiving trough 251. The horizontal moving mechanism 14 will work to move the material trough 251 from the discharge point of the combined track 7 to under the clamping arm 16, and the clamping push rod 33 will be pushed out to make the clamping arm 16 close to the material, and then the clamping arm 16 will close to clamp the material. At this time, the clamping push rod 33 will reset to make the material leave the material receiving trough 25, and then the moving plate 34 will be pushed out by the material moving push rod 36, so that the clamping arm 16 will be moved horizontally to the detection plate for detection.

[0051] The above-mentioned embodiments only express several implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.

Claims

1. An automatic feeding machine, comprising a box (1) and a quality inspection box (2), characterized in that: The box body (1) is provided with a loading module (3), a feeding module (4) and a discharging module (5); the loading module (3) is provided with a tray and a vibration plate (6); the discharge port of the vibration plate (6) is connected to the feeding module (4); the feeding module (4) is provided with a combination track (7) and a detection member (8); a straight vibration member (9) is provided under the combination track (7); the detection member (8) is used to sense the position state of the material in the combination track (7); a connecting window (10) is provided on the side wall of the quality inspection box (2); the head of the combination track (7) passes through the connecting window (10) and enters the quality inspection box (2); the discharging module (5) is provided with a tray and a vibration plate (6); the discharge port of the vibration plate (6) is connected to the feeding module (4); the feeding module (4) is provided with a combination track (7) and a detection member (8); a straight vibration member (9) is provided under the combination track (7); the detection member (8) is used to sense the position state of the material in the combination track (7); a connecting window (10) is provided on the side wall of the quality inspection box (2); the head of the combination track (7) passes through the connecting window (10) and enters the quality inspection box (2); The group (5) is arranged in the quality inspection box (2), the material unloading module (5) is provided with a material unloading part (11) and a material moving part (12), the material unloading part (11) is provided with a calibration mechanism (13) and a transverse moving mechanism (14), the transverse moving mechanism (14) is connected with a material receiving arm (15), the transverse moving mechanism (14) can carry the material receiving arm (15) to reciprocate between the head of the combined track (7) and the material moving part (12), and the materials sliding out of the head of the combined track (7) are sent into the material moving part (12) one by one, and the material moving part (12) is provided with a clamping arm (16) which can transfer the sent materials to the inspection plate.

2. The automatic feeding machine according to claim 1, characterized in that: The combined track (7) is provided with a bottom plate (17) and a side plate (18). The two side plates (18) are mounted on the bottom plate (17), and the distance between the two side plates (18) forms a passage for materials to pass through. The side plates (18) are also provided with a cover plate (19). A distance is provided between the two cover plates (19) to form a detection groove (20). A through detection path (21) is provided in the middle section of the side plates (18), and the detection member (8) is arranged on the outside of the detection path (21).

3. The automatic feeding machine according to claim 2, characterized in that: The detection path (21) passes through the two side plates (18) and is inclined. The side plates (18) are provided with a support plate (22) for placing a detection element (8). The support plate (22) is located below the detection path (21). The detection element (8) is an infrared detector. The middle part of the bottom plate (17) that contacts the bottom surface of the material is provided with a wavy groove.

4. The automatic feeding machine according to claim 3, characterized in that: The unloading piece (11) is provided with an I-shaped support platform (23), the lateral moving mechanism (14) is arranged on the support platform (23), the lateral moving mechanism (14) is provided with a movable plate (24), one side of the movable plate (24) is connected with a push rod (25), a limiting track (26) is provided under the movable plate (24), the limiting track (26) is fixedly mounted on the support platform (23), the limiting track (26) is embedded in the back side of the movable plate (24), the material receiving arm (15) is arranged on the movable plate, and a material receiving trough (251) for receiving materials is provided on the material receiving arm (15).

5. The automatic feeding machine according to claim 4, characterized in that: The side wall of the support table (23) is provided with a U-shaped fixed arm (261) for placing the calibration mechanism (13). The calibration mechanism (13) is provided with infrared sensors. There are two infrared sensors. A detection hole (27) for infrared light to pass through is provided in the middle of the material receiving groove (251). The calibration mechanism (13) can identify whether the material receiving groove (251) is empty through this detection hole (27). The side wall of the support table (23) is also provided with a limiting member (28). The limiting member (28) restricts the movement path of the material receiving arm (15) so that it can only slide horizontally on the path limited by the limiting member (28).

6. The automatic feeding machine according to claim 5, characterized in that: The limiting member (28) is provided with a limiting plate (29) and a limiting column (30). A limiting platform (31) is provided at the top of the surface of the limiting plate (29) close to the material receiving arm (15). A convex platform (32) is provided on the side wall of the material receiving arm (15). The limiting platform (31) can intercept the convex platform (32). The limiting column (30) is in contact with the side wall of the combined track (7), and the side wall of the limiting column (30) is flush with the head of the combined track (7). The material transferring member (12) is arranged at the upper end of the limiting column.

7. The automatic feeding machine according to claim 6, characterized in that: The upper end of the material clamping arm (16) is connected with a material clamping push rod (33). The material clamping push rod (33) can change the horizontal height of the material clamping arm (16) so that the clamped material is separated from the material receiving groove (251). The material clamping push rod (33) is placed on a moving disk (34). The moving disk (34) is arranged on a cross rail (35). A material transferring push rod (36) is provided on one side of the moving disk (34).

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