Feeding alignment mechanism

Abstract

The utility model discloses a feeding alignment mechanism which comprises a base, a swing arm and a swing shaft, a vertical mounting plate is fixedly arranged on the base, and an air cylinder is arranged on the mounting plate; the first end of the swing arm is rotatably connected with a piston rod of the air cylinder, the swing shaft is rotatably arranged on the mounting plate in a penetrating mode, the first end of the swing shaft is fixedly connected with the second end of the swing arm, and the second end of the swing shaft is provided with a transverse check block; wherein the swing arm and the air cylinder are arranged on one side of the mounting plate, and the transverse stop block is arranged on the other side of the mounting plate. When the glass passes through, water stains and other impurities on the glass cannot flow to the swing arm, the air cylinder and other structures on the other side under the blocking effect of the mounting plate, it is ensured that a driving system and a transmission system cannot be polluted by water and other impurities, the anti-interference capacity is high, and the service life is long. Moreover, when the rotation angle of the transverse stop block deviates, the screw on the expansion sleeve can be unscrewed, then the rotation angle of the swing shaft is adjusted, the screw is tightened again after adjustment is completed, and operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model relates to glass alignment positioning technical field of glass edging machine especially relates to a feeding alignment mechanism. BACKGROUND

[0002] Glass edging machine is a kind of glass processing equipment for grinding the edge of glass sheet or plate material.When processing, glass is conveyed to the workbench of edging machine piece by piece, and the grinding wheel installed on both sides of the workbench keeps rotating to grind the edge of the conveyed glass, thereby continuously completing the grinding operation of multiple glasses.

[0003] After glass is placed, it needs to be aligned in the feeding station, and then enters the processing station through the conveying belt.If the glass is not aligned and positioned, it may cause processing errors or insufficient grinding in subsequent grinding, affecting processing accuracy and production efficiency.The conventional alignment method is to adjust the glass manually before polishing, which is time-consuming and labor-intensive, and the operation efficiency is low, and manual operation is prone to error.In the prior art, there is also a grinding machine provided with an alignment mechanism to align and position the glass, and the alignment structure includes positioning blocks or baffles and the like, which align and position the two sides of the glass through the positioning blocks or baffles.The structure design can play a role in glass alignment, but also has the following problems: due to the influence of processing environment and glass raw materials and other factors, the processed glass may have water stains and other impurities, and the alignment mechanism contains a driving mechanism and a complex transmission structure, and the water and other impurities on the glass can easily enter the transmission structure or driving mechanism of the alignment mechanism, affecting the transmission accuracy of the transmission system, and thus affecting the glass alignment accuracy, and even causing equipment failure.Furthermore, the complex transmission system makes it difficult to adjust the alignment mechanism when the glass alignment deviation occurs, affecting the processing efficiency of the equipment.

[0004] Based on the above problems, the glass edging machine has low sheet efficiency, poor anti-interference ability, is difficult to adjust and prone to failure, and is difficult to meet the demand of high-speed development of glass processing. UTILITY MODEL CONTENTS

[0005] In order to overcome at least one of the defects of the prior art, the utility model provides a feeding alignment mechanism, which has the characteristics of high alignment efficiency, long service life and convenient adjustment operation.

[0006] The utility model employs the technical scheme that:

[0007] A feeding alignment mechanism is provided, which comprises:

[0008] A base is provided with a vertical mounting plate fixed thereon, and a gas cylinder is arranged on the mounting plate.

[0009] A swing arm and a swing shaft, a first end of the swing arm and a piston rod of the cylinder are rotatably connected, the swing shaft is rotatably arranged on the mounting plate, a first end of the swing shaft and a second end of the swing arm are fixedly connected, and a second end of the swing shaft is provided with a transverse stopper.

[0010] Wherein, the swing arm and the cylinder are arranged on one side of the mounting plate, and the transverse stopper is arranged on the other side of the mounting plate.

[0011] In one preferred embodiment of the present application, a technical scheme about the specific structure of the transverse stopper is provided.

[0012] In the embodiment, the transverse stopper is provided with a positioning groove formed by inwardly recessing, when the positioning groove is rotated to a first state, the groove bottom of the positioning groove can abut against the glass to realize the alignment of the glass.

[0013] Further, the transverse stopper is also provided with an end face, when the transverse stopper is rotated to a second state, the end face is horizontally arranged, and the positioning groove is arranged upward.

[0014] Further, the height of the end face when the transverse stopper is in the second state is lower than the height of the groove bottom of the positioning groove when the transverse stopper is in the first state.

[0015] In another preferred embodiment of the present application, a technical scheme about the specific connection mode between the swing arm and the swing shaft is provided.

[0016] In the embodiment, the second end of the swing arm is provided with a sleeve, the swing shaft is arranged in the sleeve, and an expansion sleeve is arranged between the sleeve and the swing shaft.

[0017] Further, the expansion sleeve comprises a screw, an inner and outer expansion sleeve and front and rear flanges, the inner and outer expansion sleeves are arranged in close contact with the outer wall of the swing shaft and the inner wall of the sleeve respectively, the front and rear flanges are arranged between the inner and outer expansion sleeves, and the screw is arranged in the front and rear flanges in sequence and is threadedly connected with the front and rear flanges; wherein, the inner and outer expansion sleeves and the front and rear flanges are wedge-shaped structures distributed around the axis of the swing shaft, and a preset distance is arranged between the front and rear flanges.

[0018] In another preferred embodiment of the present application, a technical scheme about the specific mounting mode of the swing shaft on the mounting seat is provided.

[0019] In the embodiment, the mounting plate is fixed with a bearing seat, the swing shaft is rotatably arranged in the bearing seat, and a plurality of bearings are arranged between the bearing seat and the swing shaft.

[0020] Further, the bearing seat and the bearing are arranged on the mounting plate close to one side of the swing arm.

[0021] In another preferred embodiment of the present application, a technical solution about the specific mounting mode of the air cylinder on the mounting base is provided.

[0022] In the embodiment, the cylinder body of the air cylinder is provided with a connecting portion, the mounting plate is fixedly provided with a connecting rod parallel to the swing shaft, and the connecting portion and the connecting rod are rotatably connected.

[0023] In summary, the working principle of the feeding alignment mechanism is as follows:

[0024] The feeding alignment mechanism is installed on both sides of the equipment through the base, when the glass is fed, the swing arm is swung by the piston rod of the air cylinder, and then the transverse block on the swing shaft is rotated to the first state, at this time, the positioning groove on the transverse block faces the direction of the glass feed, when the glass reaches the positioning groove, the left and right sides thereof abut against the transverse blocks on the left and right sides of the equipment respectively, and the alignment and positioning operation of the glass is realized. After the alignment and positioning are completed, the swing arm is swung in the reverse direction by the piston rod of the air cylinder, so as to drive the transverse block on the swing shaft to rotate to the second state, at this time, the positioning groove on the transverse block faces the upward direction, and the end face is horizontally arranged, and the aligned glass can pass above the transverse block. After the next glass is fed, the transverse block is rotated to the first state by the air cylinder again, and the cycle is repeated, so that the alignment and positioning operation of multiple glasses can be continuously realized.

[0025] Compared with the prior art, the above structure design has at least the following technical effects:

[0026] 1) The feeding alignment mechanism is arranged as a module independent of the equipment body, and can be directly installed on both sides of the equipment body, when in use, a simple lever principle is used, a small cylinder diameter and stroke air cylinder is used as a prime mover, a swing arm is used as a lever, a swing shaft is pushed to rotate, the state switching of the transverse block in different directions is realized, and the positioning action of the glass workpiece is completed, the structure is simple and reasonable, the positioning is accurate and fast, and the glass feeding efficiency can be significantly improved.

[0027] 2) The vertical mounting plate is arranged on the base, the driving and transmission mechanism such as the swing arm and the air cylinder is arranged on one side of the mounting plate, and the transverse block is arranged on the other side of the mounting plate. The side where the transverse block is located faces the glass feeding area. When the glass passes, the transverse block directly contacts the glass, even if the glass has water stains and other impurities, the water and other impurities will not flow to the swing arm and the air cylinder and other structures on the other side under the blocking action of the mounting plate, so that the driving system and the transmission system are not polluted by the water and other impurities, the transmission precision is high, the alignment precision is high, the anti-interference ability is strong, and the service life is long.

[0028] 3) the swing arm is provided with a sleeve, the swing shaft is arranged in the sleeve, and an expansion sleeve is arranged between the sleeve and the swing shaft, so that the swing arm and the swing shaft are fixedly connected through the expansion sleeve. When the rotation angle of the transverse stop block deviates, the screw on the expansion sleeve can be loosened, then the rotation angle of the swing shaft is adjusted, and after the adjustment is completed, the screw is tightened again, so that the operation is convenient and the maintenance is simple. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a structural schematic view of the feeding alignment mechanism of the utility model;

[0030] Figure 2 It is another structural schematic view of the feeding alignment mechanism of the utility model;

[0031] Figure 3 It is an assembly section view of the swing shaft and the sleeve of the utility model.

[0032] Among them, the meaning of the reference signs is as follows:

[0033] 1, base; 11, mounting plate; 2, air cylinder; 21, piston rod; 22, connecting part; 3, swing arm; 31, sleeve; 4, swing shaft; 5, transverse stop block; 51, positioning groove; 52, end face; 6, bearing seat; 7, expansion sleeve; 71, screw; 72, inner expansion sleeve; 73, outer expansion sleeve; 74, front flange plate; 75, rear flange plate; 8, connecting rod. DETAILED DESCRIPTION

[0034] In order to better understand and implement, the technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model.

[0035] In the description of the utility model, it should be explained that the directions or position relations indicated by the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are the directions or position relations shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and are not intended to indicate or imply that the devices or elements referred to must have a particular direction, be constructed in a particular direction and be operated, therefore, it cannot be understood as a limitation on the utility model.

[0036] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing specific embodiments and are not intended to limit the utility model.

[0037] Embodiment 1

[0038] Referring to Figure 1 and Figure 2As shown in the first embodiment of the utility model, the feeding alignment mechanism comprises a base 1, a vertical mounting plate 11 is fixedly arranged on the base 1, and a cylinder 2 is arranged on the mounting plate 11. The feeding alignment mechanism of the utility model is arranged as a module independent of the equipment body, and can be directly installed on both sides of the equipment body through the base 1. The base 1 is installed on the processing equipment along the horizontal direction, and the mounting plate 11 on the base 1 is arranged along the vertical direction after installation, and the cylinder 2 is arranged on one side of the mounting plate 11.

[0039] As shown in the first embodiment of the utility model, the feeding alignment mechanism comprises a base 1, a vertical mounting plate 11 is fixedly arranged on the base 1, and a cylinder 2 is arranged on the mounting plate 11. The feeding alignment mechanism of the utility model is arranged as a module independent of the equipment body, and can be directly installed on both sides of the equipment body through the base 1. The base 1 is installed on the processing equipment along the horizontal direction, and the mounting plate 11 on the base 1 is arranged along the vertical direction after installation, and the cylinder 2 is arranged on one side of the mounting plate 11. Figure 1 Figure 2 As shown in the first embodiment of the utility model, the feeding alignment mechanism comprises a base 1, a vertical mounting plate 11 is fixedly arranged on the base 1, and a cylinder 2 is arranged on the mounting plate 11. The feeding alignment mechanism of the utility model is arranged as a module independent of the equipment body, and can be directly installed on both sides of the equipment body through the base 1. The base 1 is installed on the processing equipment along the horizontal direction, and the mounting plate 11 on the base 1 is arranged along the vertical direction after installation, and the cylinder 2 is arranged on one side of the mounting plate 11.

[0040] In the technical scheme of the embodiment, the swing arm 3 and the cylinder 2 are arranged on one side of the mounting plate 11, and the transverse block 5 is arranged on the other side of the mounting plate 11. The side of the mounting plate 11 where the transverse block 5 is arranged faces the glass feeding area, and the side of the mounting plate 11 where the swing arm 3 and the cylinder 2 are arranged is away from the glass feeding area. When the glass passes, the transverse block 5 directly contacts the glass, even if the glass has water stains and other impurities, the impurities will not flow to the swing arm 3 and the cylinder 2 and other structures on the other side of the mounting plate 11, ensuring that the driving system and the transmission system will not be contaminated by water and other impurities, the transmission precision is high, thereby ensuring high alignment precision, strong anti-interference ability and long service life.

[0041] Specifically, the specific working principle of the feeding alignment mechanism of the utility model is as follows:

[0042] 1) The feeding alignment mechanism is installed on both sides of the processing equipment through the base 1, when the glass is fed, the cylinder 2 drives the swing arm 3 to swing through the piston rod 21, thereby driving the transverse block 5 on the swing shaft 4 to rotate to the first state, at this time, the transverse block 5 is turned to face the direction of the incoming glass, when the glass reaches the transverse block 5, the left and right sides of the glass respectively abut against the transverse blocks 5 on the left and right sides of the equipment, thereby realizing the alignment and positioning operation of the glass.

[0043] 2) After the alignment and positioning are completed, the cylinder 2 drives the swing arm 3 to swing in the opposite direction through the piston rod 21, thereby driving the transverse block 5 on the swing shaft 4 to rotate to the second state, at this time, the transverse block 51 faces the upward direction, and the aligned glass can pass above the transverse block 51.

[0044] ​3) the next glass loading, the cylinder 2 drives the lateral block 5 to rotate to the first state again, so as to realize the alignment positioning operation of multiple glasses continuously.

[0045] Therefore, the feeding alignment mechanism utilizes the simple lever principle, adopts the cylinder 2 with a smaller cylinder diameter and stroke as a motive power, adopts the swing arm 3 as a lever, pushes the swing shaft 4 to rotate, realizes the state switching of the lateral block 5 in different directions, and thus completes the positioning operation of the glass workpiece, so that the feeding efficiency of the glass is improved obviously.

[0046] Embodiment 2

[0047] In the second embodiment of the utility model, a specific structure of the lateral block 5 is provided on the basis of the first embodiment.

[0048] Referring to Figure 1 In the technical scheme of the embodiment, the lateral block 5 is provided with the positioning groove 51 formed by inwardly recessing, when the positioning groove 51 rotates to the first state, the groove bottom of the positioning groove 51 can abut against the glass to realize the alignment of the glass. Specifically, when the cylinder 2 drives the positioning groove 51 on the lateral block 5 to rotate to the first state, the positioning groove 51 on the lateral block 5 faces the direction of the glass feeding, when the glass reaches the positioning groove 51, the left and right sides of the glass abut against the lateral block 5 on the left and right sides of the equipment respectively, and the alignment positioning operation of the glass is realized.

[0049] Referring to Figure 1 In one preferred scheme of the embodiment, the lateral block 5 is further provided with the end face 52, when the lateral block 5 rotates to the second state, the end face 52 is horizontally arranged, and the positioning groove 51 is arranged upwards. Specifically, after the alignment positioning of the left and right sides of the glass is completed, the cylinder 2 drives the lateral block 5 to rotate to the second state in the opposite direction, at this time, the positioning groove 51 on the lateral block 5 faces upwards, and the end face 52 is arranged in the horizontal direction, and the aligned glass can pass above the positioning groove 51 and the end face 52.

[0050] In another preferred scheme of the embodiment, when the lateral block 5 is in the first state, the glass to be fed abuts against the groove bottom of the positioning groove 51 to realize the alignment positioning, at this time, the groove bottom of the positioning groove 51 is of the first height. When the lateral block 5 is in the second state, the aligned glass can pass above the horizontal end face 52, at this time, the end face 52 is of the second height. Therefore, in order to realize that the aligned glass can pass above the lateral block 5, the second height needs to be smaller than the first height, that is, the height of the end face 52 when the lateral block 5 is in the second state is lower than the height of the groove bottom of the positioning groove 51 when the lateral block 5 is in the first state.

[0051] Embodiment 3

[0052] In the third embodiment of the utility model, a technical scheme about the specific connection mode between the swing arm 3 and the swing shaft 4 is provided on the basis of the first embodiment.

[0053] As shown in Figure 1 And Figure 2 In the technical scheme of this embodiment, the second end of the swing arm 3 is provided with a sleeve 31, the swing shaft 4 is arranged in the sleeve 31, and an expansion sleeve 7 is arranged between the sleeve 31 and the swing shaft 4. The expansion sleeve 7 is used to realize the fixed connection between the swing arm 3 and the swing shaft 4. In use, if the rotation angle of the transverse stopper 5 deviates, the expansion sleeve 7 can be loosened, then the rotation angle of the swing shaft 4 is adjusted, and after the adjustment is completed, the expansion sleeve 7 is tightened again, which is convenient to operate and simple to maintain.

[0054] As shown in Figure 3 In a preferred scheme of this embodiment, the expansion sleeve 7 includes a screw 71, inner and outer expansion sleeves (including an inner expansion sleeve 72 and an outer expansion sleeve 73), and front and rear flanges (including a front flange 74 and a rear flange 75), the inner and outer expansion sleeves 72 and 73 are arranged in close contact with the outer wall of the swing shaft 4 and the inner wall of the sleeve 31, respectively, the front and rear flanges 74 and 75 are arranged between the inner and outer expansion sleeves 72 and 73, and the screw 71 is arranged in the front and rear flanges 74 and 75 in sequence and is threadedly connected with the two flanges. The inner and outer expansion sleeves 72 and 73 and the front and rear flanges 74 and 75 are all wedge-shaped structures distributed around the axis of the swing shaft, a preset distance is arranged between the front and rear flanges 74 and 75, the pressure of the inner expansion sleeve 72 on the outer wall of the swing shaft 4 and the pressure of the outer expansion sleeve 73 on the inner wall of the sleeve 31 can be adjusted by adjusting the distance between the front and rear flanges 74 and 75, so as to realize the adjustment of the fastening connection degree of the expansion sleeve 7 on the swing shaft 4 and the swing arm sleeve 31.

[0055] Through the above structural design mode, the working principle of the expansion sleeve 7 is as follows:

[0056] 1) When it is needed to tighten the expansion sleeve 7, the screw 71 is tightened, the distance between the front and rear flanges 74 and 75 is reduced, the front and rear flanges 74 and 75 press the inner and outer expansion sleeves 72 and 73, the pressure of the inner expansion sleeve 72 on the outer wall of the swing shaft 4 and the pressure of the outer expansion sleeve 73 on the inner wall of the sleeve 31 are increased, and the swing arm sleeve 31 and the swing shaft 4 are fastened together.

[0057] 2) when the need to loosen the tight sleeve 7, unscrew the screw 71, the distance between the front flange plate 74 and the rear flange plate 75 is expanded, the front flange plate 74 and the rear flange plate 75 reduce the extrusion stress of the inner sleeve 72 and the outer sleeve 73, the pressure of the inner sleeve 72 to the outer wall of the swing shaft 4, the outer sleeve 73 to the inner wall of the sleeve 31 is reduced, the swing arm sleeve 31 and the swing shaft 4 are no longer tightly connected, at this time, the rotation angle of the swing shaft 4 can be adjusted, convenient operation.

[0058] Embodiment 4

[0059] In the fourth embodiment of the utility model, on the basis of the first embodiment, a specific mounting mode of the swing shaft 3 on the mounting seat 11 is provided.

[0060] Referring to Figure 1 and Figure 2 , in the technical scheme of this embodiment, the bearing seat 6 is fixed on the mounting plate 11, the swing shaft 4 is rotatably arranged in the bearing seat 6, and a plurality of bearings are arranged between the bearing seat 6 and the swing shaft 4. Wherein, one end of the bearing seat 6 is fixedly installed on the mounting plate 11, two ends of the bearing seat 6 are provided with openings for the swing shaft 4 to pass through, a plurality of bearings are arranged inside the bearing seat 6, and the swing shaft 4 is rotatably arranged on the mounting plate 11 by cooperating with the bearings after passing through the bearing seat 6. In addition, the bearing seat 6 and the bearings are used to support the rotation of the swing shaft 4, thereby reducing the wear of the swing shaft 4.

[0061] Referring to Figure 1 and Figure 2 , in one preferred scheme of this embodiment, the bearing seat 6 and the bearings are arranged on the side of the mounting plate 1 close to the swing arm 3, that is, the side away from the glass feeding area. When the glass passes through, the water stains and impurities will not flow to the bearing seat 6 and the bearings and other structures on the other side under the blocking action of the mounting plate 11, thereby improving the anti-interference ability of the transmission system.

[0062] Embodiment 5

[0063] In the fifth embodiment of the utility model, on the basis of the first embodiment, a specific mounting mode of the cylinder 2 on the mounting seat 11 is provided.

[0064] Referring to Figure 2As shown, in the technical scheme of the embodiment, the cylinder body of the cylinder 2 is provided with a connecting portion 22, the connecting rod 8 parallel to the swing shaft 4 is fixedly arranged on the mounting plate 11, and the connecting portion 22 and the connecting rod 8 are rotatably connected. Wherein, the connecting rod 8 and the swing shaft 4 both extend along the horizontal direction and are arranged perpendicular to the mounting plate 11, so as to ensure the transmission accuracy of the lever movement of the swing arm 3. During the swing of the swing arm 3, the height of the connecting end of the swing arm 3 and the piston rod 21 will change, and correspondingly, the piston rod 21 will swing up and down during the forward and backward movement, so that the cylinder 2 will swing slightly during the swing of the swing arm. Therefore, by rotatably mounting the cylinder 2 on the mounting plate 11, the damage of the cylinder body or the piston rod 21 of the cylinder 2 during the work can be avoided.

[0065] In summary, the feeding alignment mechanism of the utility model realizes the state switching of the transverse stop block 5 in different directions through the structures such as the cylinder 2, the swing arm 3 and the swing shaft 4, so as to complete the positioning action of the glass workpiece, which is simple and reasonable in structure, accurate and fast in positioning, and can significantly improve the glass loading efficiency compared with manual operation. Moreover, by arranging the swing arm 3 and the cylinder 2 on the side of the mounting plate 11 away from the glass loading, the driving system and the transmission system are prevented from being polluted by impurities such as water under the blocking effect of the mounting plate 11, which has strong anti-interference ability and long service life. In addition, the expansion sleeve 7 is arranged between the sleeve 31 of the swing arm 3 and the swing shaft 4, the expansion sleeve 7 is used for fixedly connecting the sleeve 31 and the swing shaft 4, when the rotation angle of the transverse stop block 5 deviates, the screw 71 on the expansion sleeve 7 is loosened, and then the rotation angle of the swing shaft 4 is adjusted, which is convenient to operate and easy to maintain.

[0066] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above-mentioned embodiments, but also includes the technical scheme composed of any combination of the above technical features. It should be noted that, for ordinary skilled persons in the technical field, some improvements and refinements can be made without departing from the principles of the utility model, and these improvements and refinements are also considered within the protection scope of the utility model.

Claims

1. A feed alignment mechanism, characterized by, The utility model relates to a glass cutting device, including: The base is fixed with the vertical mounting plate, and the mounting plate is provided with a cylinder; The first end of the swing arm is rotatably connected with the piston rod of the cylinder, the swing shaft is rotatably arranged on the mounting plate, the first end of the swing shaft is fixedly connected with the second end of the swing arm, and the second end of the swing shaft is provided with a transverse stopper; Wherein, the swing arm and the cylinder are arranged on one side of the mounting plate, and the transverse stopper is arranged on the other side of the mounting plate.

2. The feed alignment mechanism of claim 1, wherein, The transverse stopper is provided with a positioning groove recessed inward, when the positioning groove rotates to the first state, the groove bottom of the positioning groove can abut against the glass to realize glass alignment.

3. The feed alignment mechanism of claim 2, wherein, The transverse stopper is also provided with an end face, when the transverse stopper rotates to the second state, the end face is horizontally arranged, and the positioning groove is arranged upwards.

4. The feed alignment mechanism of claim 3, wherein, The height of the end face when the transverse stopper is in the second state is lower than the height of the groove bottom of the positioning groove when the transverse stopper is in the first state.

5. The feed alignment mechanism of claim 1, wherein, The second end of the swing arm is provided with a sleeve, the swing shaft is arranged in the sleeve, and an expansion sleeve is arranged between the sleeve and the swing shaft.

6. The feed alignment mechanism of claim 5, wherein, The expansion sleeve includes a screw, an inner and outer expansion sleeve and front and rear flanges, the inner and outer expansion sleeves are arranged in close contact with the outer wall of the swing shaft and the inner wall of the sleeve respectively, the front and rear flanges are arranged between the inner and outer expansion sleeves, the screw is sequentially arranged in the front and rear flanges and is threadedly connected with the front and rear flanges, wherein the inner and outer expansion sleeves and the front and rear flanges are wedge-shaped structures distributed around the axis of the swing shaft, and a preset distance is arranged between the front and rear flanges.

7. The feed alignment mechanism of claim 1, wherein, The mounting plate is fixed with a bearing seat, the swing shaft is rotatably arranged in the bearing seat, and a plurality of bearings are arranged between the bearing seat and the swing shaft.

8. The feed alignment mechanism of claim 7, wherein, The bearing seat and the bearings are arranged on the side of the mounting plate close to the swing arm.

9. The feed alignment mechanism of claim 1, wherein, The cylinder body of the cylinder is provided with a connecting part, the mounting plate is fixedly provided with a connecting rod parallel to the swing shaft, and the connecting part and the connecting rod are rotatably connected.

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