Joint fixed edge adjusting device and joint equipment

Abstract

The utility model provides a joint fixed edge adjusting device and joint equipment. The connector fixed edge adjusting device comprises a first connecting rod and a second connecting rod, the second connecting rod and the first connecting rod are arranged in parallel at an interval; the two ends of the third connecting rod are rotationally connected with the first connecting rod and the second connecting rod respectively; the fourth connecting rod is rotatably connected with the first connecting rod and / or the second connecting rod, the fourth connecting rod and the third connecting rod are arranged in parallel at an interval, and the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod form a parallelogram structure; the first flange assembly is arranged on the third connecting rod; and the second flange assembly is arranged on the fourth connecting rod, the first flange assembly and the second flange assembly form a material blocking channel used for limiting the material moving direction, and the material blocking channel is parallel to the material conveying direction. The utility model solves the problem of poor use accuracy of the baffle structure of the small-angle fiber cord fabric belted layer joint device in the prior art.

Description

Technical Field

[0001] The utility model relates to the technical field of joint devices, in particular to a joint edge adjustment device and a joint equipment. Background Art

[0002] In the manufacturing process of passenger car tires, motorcycle tires, air spring tires, etc., the cord belt layer is one of the important components. The production of the cord belt layer requires cutting the calendered cord according to the required angle and width, and then splicing the bevel edges and winding them for molding and use. At present, the requirements for the splicing efficiency, joint misalignment, and joint quality of the cord belt layer are getting higher and higher.

[0003] Since the joint bevel is long and the belt is wide at the small-angle fiber cord belt joint, the feeding conveyor belt and the unloading conveyor belt often use a strip telescopic belt structure to transport the cord to the joint position. For the small-angle fiber cord belt joint using a strip telescopic belt structure, the material head and tail are transported to the cord positioning baffle position at the joint position by the feeding conveyor belt and the unloading conveyor belt, and then spliced ​​through the joint device. The tail of the material during unloading is usually positioned by a manually placed magnetic baffle guide. However, for the manually placed magnetic baffle device, it is difficult to accurately place the magnetic baffle at the required position, which places high requirements on the operator, and the placement operation is also inconvenient when the belt is wide.

[0004] Some solutions use a mechanical baffle structure, which can adjust the baffle position through a screw or other transmission form according to the width of different materials. However, this structure is only applicable to curtain joints with a single angle. When the joint angle changes, the position of the mechanical baffle structure still needs to be manually adjusted, and there will still be problems such as inaccurate placement and inconvenient adjustment. Utility Model Content

[0005] The main purpose of the utility model is to provide a joint edge adjustment device and a joint equipment to solve the problem of poor accuracy of the use of the baffle structure in the small-angle fiber cord belt layer joint device in the prior art.

[0006] In order to achieve the above-mentioned purpose, according to one aspect of the utility model, a joint fixed edge adjustment device is provided, including: a first connecting rod arranged on a joint assembly and rotating synchronously with the joint assembly; a second connecting rod arranged on a discharge device and rotating following the extension and retraction of the discharge device, the second connecting rod being arranged parallel to and spaced apart from the first connecting rod; a third connecting rod, the two ends of the third connecting rod being rotatably connected to the first connecting rod and the second connecting rod respectively; a fourth connecting rod, the fourth connecting rod being rotatably connected to the first connecting rod and / or the second connecting rod, the fourth connecting rod being arranged parallel to and spaced apart from the third connecting rod, the first connecting rod, the second connecting rod, the third connecting rod and the fourth connecting rod forming a parallelogram structure; a first side baffle assembly, the first side baffle assembly being arranged on the third connecting rod; a second side baffle assembly, the second side baffle assembly being arranged on the fourth connecting rod, the first side baffle assembly and the second side baffle assembly forming a material baffle channel for limiting the direction of material movement, and the material baffle channel being parallel to the material conveying direction.

[0007] Furthermore, at least one of the third connecting rod and the fourth connecting rod is movably connected to the first connecting rod and the second connecting rod, and can move along the length direction of the first connecting rod and the second connecting rod to change the size of the material blocking channel.

[0008] Furthermore, the joint fixed edge adjustment device also includes a moving drive component, which is drivingly connected to the third connecting rod and / or the fourth connecting rod, and drives the third connecting rod and / or the fourth connecting rod to move along the length direction of the first connecting rod.

[0009] Furthermore, the inner angle of the parallelogram structure ranges from 30° to 95°.

[0010] Furthermore, the first side baffle assembly and the second side baffle assembly both include baffle plates, the baffle plates of the first side baffle assembly and the baffle plates of the second side baffle assembly always remain parallel, and a material baffle channel is formed between the two.

[0011] Furthermore, the first baffle assembly and / or the second baffle assembly also includes a baffle driving component, which is drivingly connected to the baffle and drives the baffle to rise and fall.

[0012] Furthermore, the joint fixed edge adjustment device also includes a joint retraction plate, which is located below the baffle plate and contacts the joint retraction plate when the baffle plate descends under the drive of the baffle plate driving member.

[0013] Furthermore, one end of the fourth connecting rod is rotatably connected to the second connecting rod, and the other end of the fourth connecting rod is a free end.

[0014] Furthermore, the fourth connecting rod includes a first section and a second section connected by a bending connection, the first section and the second section form an L-shaped structure, the first section is rotatably connected to the second connecting rod, and the second side guard assembly is located on the inner side of the second section.

[0015] According to another aspect of the utility model, a joint device is provided, comprising: a feeding device, the feeding device comprising a movable feeding telescopic belt; a joint assembly, the joint assembly is located at the end of the feeding device and rotates following the telescopic movement of the feeding telescopic belt; a unloading device, the unloading device comprising a movable unloading telescopic belt, the feeding telescopic belt is aligned with and parallel to the end of the unloading telescopic belt; the above-mentioned joint edge adjustment device, the first connecting rod of the joint edge adjustment device is arranged on the joint assembly and rotates synchronously with the joint assembly, and the second connecting rod of the joint edge adjustment device is arranged on the unloading telescopic belt and rotates following the telescopic movement of the unloading telescopic belt.

[0016] The technical solution of the utility model is applied, and four connecting rods are provided to form a parallelogram structure between the four connecting rods, wherein the first connecting rod and the second connecting rod respectively cooperate with the joint assembly and the unloading device, and rotate accordingly following the telescopic movement of the feeding telescopic belt and the unloading telescopic belt, and the first side baffle assembly and the second side baffle assembly are respectively provided on the third connecting rod and the fourth connecting rod. In this way, based on the structural characteristics of the parallelogram structure, when the joint angle changes, the feeding telescopic belt and the unloading telescopic belt move, and the joint assembly rotates, thereby driving the first connecting rod and the second connecting rod to rotate. At this time, the third connecting rod and the fourth connecting rod move under the drive of the first connecting rod and the second connecting rod, and the third connecting rod and the fourth connecting rod move, but they still remain parallel to each other, so that the first side baffle assembly and the second side baffle assembly remain parallel to the telescopic belt from beginning to end. At the same time, the movement of the first side baffle assembly and the second side baffle assembly causes the size of the baffle channel formed by the two to change accordingly, thereby adapting to the adjustment of the joint angle. The above-mentioned setting method utilizes the structural characteristics of the parallelogram, and converts the adjustment of the joint angle into a change in the inclination angle of the parallelogram, so that the first side guard assembly and the second side guard assembly can still maintain a state of parallelism with each other and parallel to the telescopic belt. In this way, on the one hand, the side guard assembly can be automatically adjusted following the joint angle, and manual adjustment by the operator is no longer required, thereby ensuring convenience of use. At the same time, the automatic adjustment method is more accurate than manual adjustment, which can ensure the accurate position of the side guard assembly and the limiting effect of the cord tail material, and solves the problem that the small-angle fiber cord belt layer joint with a strip telescopic belt structure has no positioning baffle or the adjustment of the positioning baffle is extremely complicated, which greatly improves the convenience of equipment operation and improves the joint quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0018] Figure 1A schematic diagram of the structure of the joint edge adjustment device of the utility model at a joint angle is shown;

[0019] Figure 2 Shows Figure 1 Schematic diagram of the structure of the joint edge adjustment device at another joint angle.

[0020] The above drawings include the following reference numerals:

[0021] 10. First connecting rod; 20. Second connecting rod; 30. Third connecting rod; 40. Fourth connecting rod; 50. First side guard assembly; 60. Second side guard assembly; 70. Mobile drive assembly; 80. Joint retracting plate; 90. Feeding device; 100. Joint assembly; 110. Unloading device. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] It should be noted that, unless otherwise specified, all technical and scientific terms used in this application have the same meanings as commonly understood by ordinary technicians in the technical field to which this application belongs.

[0024] In the present invention, unless otherwise specified, the directional words used, such as "up, down, top, bottom", usually refer to the directions shown in the drawings, or to the components themselves in the vertical, perpendicular or gravity directions; similarly, for ease of understanding and description, "inside and outside" refer to the inside and outside relative to the outline of each component itself, but the above-mentioned directional words are not used to limit the present invention.

[0025] In order to solve the problem of poor use accuracy of the baffle structure in the small-angle fiber cord belt layer joint device in the prior art, the utility model provides a joint edge adjustment device and a joint equipment.

[0026] like Figure 1 and Figure 2The joint edge adjustment device shown in the figure comprises a first connecting rod 10 which is arranged on a joint assembly 100 and rotates synchronously with the joint assembly 100, a second connecting rod 20 which is arranged on a discharge device 110 and rotates following the extension and retraction of the discharge device 110, a third connecting rod 30, a fourth connecting rod 40, a first side guard assembly 50 and a second side guard assembly 60, wherein the second connecting rod 20 is arranged parallel to the first connecting rod 10 and spaced apart; the two ends of the third connecting rod 30 are rotatably connected to the first connecting rod 10 and the second connecting rod 20 respectively; the fourth connecting rod 40 is arranged parallel to the first connecting rod 10 and spaced apart from each other; the two ends of the third connecting rod 30 are rotatably connected to the first connecting rod 10 and the second connecting rod 20 respectively; the fourth connecting rod 40 is arranged parallel to the first connecting rod 10 and spaced apart from each other; the third connecting rod 30 is ... The rod 40 is rotatably connected to the first connecting rod 10 and / or the second connecting rod 20, the fourth connecting rod 40 is arranged in parallel with the third connecting rod 30, and the first connecting rod 10, the second connecting rod 20, the third connecting rod 30 and the fourth connecting rod 40 form a parallelogram structure; the first side baffle assembly 50 is arranged on the third connecting rod 30; the second side baffle assembly 60 is arranged on the fourth connecting rod 40, the first side baffle assembly 50 and the second side baffle assembly 60 form a material baffle channel for limiting the direction of material movement, and the material baffle channel is parallel to the material conveying direction.

[0027] In this embodiment, four connecting rods are provided, and a parallelogram structure is formed between the four connecting rods, that is, Figure 1 and Figure 2The parallelogram shown by the dotted line, wherein the first connecting rod 10 and the second connecting rod 20 cooperate with the joint assembly 100 and the discharge device 110 respectively, and rotate accordingly following the telescopic movement of the feeding telescopic belt and the discharge telescopic belt, and the third connecting rod 30 and the fourth connecting rod 40 are respectively provided with the first side guard assembly 50 and the second side guard assembly 60. In this way, based on the structural characteristics of the parallelogram structure, when the joint angle changes, the feeding telescopic belt and the discharge telescopic belt move, and the joint assembly 100 rotates, thereby driving the first connecting rod 10 and The second connecting rod 20 rotates, and the third connecting rod 30 and the fourth connecting rod 40 move driven by the first connecting rod 10 and the second connecting rod 20. The third connecting rod 30 and the fourth connecting rod 40 move, but they still remain parallel to each other, so that the first side baffle assembly 50 and the second side baffle assembly 60 remain parallel to the telescopic belt from beginning to end. At the same time, the movement of the first side baffle assembly 50 and the second side baffle assembly 60 causes the size of the material blocking channel formed by the two to change accordingly, thereby adapting to the adjustment of the joint angle. The above-mentioned setting method utilizes the structural characteristics of the parallelogram, and converts the adjustment of the joint angle into a change in the inclination angle of the parallelogram, so that the first side guard assembly 50 and the second side guard assembly 60 can still maintain a state of parallelism with each other and parallel to the telescopic belt. In this way, on the one hand, the side guard assembly can be automatically adjusted following the joint angle, and manual adjustment by the operator is no longer required, thereby ensuring the convenience of use. At the same time, the automatic adjustment method is more accurate than manual adjustment, which can ensure the accurate position of the side guard assembly and the limiting effect of the cord tail material, and solves the problem that the small-angle fiber cord belt layer joint using a strip telescopic belt structure has no positioning baffle or the adjustment of the positioning baffle is extremely complicated, which greatly improves the convenience of equipment operation and improves the joint quality.

[0028] Optionally, at least one of the third connecting rod 30 and the fourth connecting rod 40 can be movably connected to the first connecting rod 10 and the second connecting rod 20, and can move along the length direction of the first connecting rod 10 and the second connecting rod 20 to change the size of the material blocking channel. In this embodiment, both ends of the third connecting rod 30 can not only be rotatably connected to the first connecting rod 10 and the second connecting rod 20, but can also move along the length direction of the first connecting rod 10 and the second connecting rod 20, while the fourth connecting rod 40 is only rotatably connected to the first connecting rod 10 and / or the second connecting rod 20, and there is no movable matching relationship. In this way, the second side baffle assembly 60 on the fourth connecting rod 40 serves as a fixed side baffle, and the first side baffle assembly 50 on the third connecting rod 30 serves as a movable side baffle. The position of the second side baffle assembly 60 cannot be adjusted, and can be set at the cutting line as a positioning reference. When the width of the curtain changes, by adjusting the position of the third connecting rod 30 on the first connecting rod 10 and the second connecting rod 20, the first side baffle assembly 50 on the third connecting rod 30 can change the distance between it and the second side baffle assembly 60, thereby realizing the adjustment of the width of the material blocking channel, so that the width of the material blocking channel is adapted to the width of the curtain, thereby improving the adaptability to curtains of different widths, and cooperating with the aforementioned adaptability to curtains of different joint angles, so that the joint fixed edge adjustment device can simultaneously adapt to curtains of different joint angles and different widths.

[0029] Optionally, moving mechanisms such as linear guides, optical axes, linear bearings, etc. may be provided between the two ends of the third link 30 and the first link 10 and the second link 20 to ensure the reliability of relative movement between the third link 30 and the first link 10 and the second link 20 .

[0030] Preferably, the spacing between the two baffles, that is, the width of the material blocking channel is equal to or slightly larger than the width of the cord within the allowable range of the joint misalignment accuracy.

[0031] In this embodiment, the joint fixed edge adjustment device also includes a mobile drive assembly 70, which is connected to the third connecting rod 30 and / or the fourth connecting rod 40, and drives the third connecting rod 30 and / or the fourth connecting rod 40 to move along the length direction of the first connecting rod 10. Since the third connecting rod 30 is moved in this embodiment, the mobile drive assembly 70 is connected to the third connecting rod 30, so that when the width of the curtain changes, the third connecting rod 30 is driven by the mobile drive assembly 70 to adjust its position to adapt to the width of the curtain. Of course, if the fourth connecting rod 40 is also movable, the fourth connecting rod 40 can also be connected to the mobile drive assembly 70. The specific type of the mobile drive assembly 70 can be selected as needed, and it can be a motor, a cylinder and other components in combination with a transmission component.

[0032] Preferably, the inner angle of the parallelogram structure is in the range of 30°-95°, so that the joint adjustment range is between 30°-95°. Further preferably, the inner angle of the parallelogram structure is 80°. In this way, the parallelogram structure can be prevented from getting stuck due to excessive deformation, thereby ensuring the reliability of use.

[0033] In this embodiment, the first side baffle assembly 50 and the second side baffle assembly 60 both include baffles, which are the main components of the side baffle assembly, and the side baffles are components that form a material blocking channel. The baffles of the first side baffle assembly 50 and the baffles of the second side baffle assembly 60 are arranged relative to each other so that a material blocking channel is formed therebetween. Considering that the baffles are components that block the curtain fabric, the baffles of the first side baffle assembly 50 and the baffles of the second side baffle assembly 60 need to be arranged in parallel, so that when the parallelogram structure changes, the baffles of the two baffle assemblies can always be kept in a parallel state.

[0034] In addition to the above-mentioned baffles, the first side baffle assembly 50 and / or the second side baffle assembly 60 of this embodiment further include a baffle driving member. The baffle of this embodiment is arranged in a manner that it can be raised and lowered, and thus the baffle driving member is connected to the baffle driving member, so that the baffle can be raised and lowered under the drive of the baffle driving member. The first side baffle assembly 50 and the second side baffle assembly 60 can be selected as needed to select which baffle of the baffle assembly can be raised and lowered. Only one of the baffles can be raised and lowered, or both of the baffles can be raised and lowered. This embodiment adopts the latter method, so that the baffle can cooperate with the joint retracting plate 80.

[0035] The joint fixed edge adjustment device of the present embodiment also includes a joint retract plate 80, which is located below the baffle plate, and the baffle plate contacts the joint retract plate 80 when it descends under the drive of the baffle plate driver. Specifically, during the joint circulation process, the baffle plate can be adsorbed on the joint retract plate 80 and reciprocate with the joint retract plate 80, and its reciprocating stroke is adjustable. Further, when the joint rotates at an angle, both the fixed rib and the movable rib can be lifted by the baffle driver and disengaged from the joint retract plate 80. It should be noted that the use of the device is not affected even if the fixed rib and the movable rib are not lifted. When the position of the baffle of the first rib assembly 50 is adjusted by the mobile drive assembly 70, the baffle plate can also be lifted by the baffle driver, thereby disengaging from the joint retract plate 80, so as to facilitate the adjustment of the baffle position.

[0036] The matching mode of the fourth connecting rod 40 of this embodiment with the first connecting rod 10 and the second connecting rod 20 is not similar to that of the third connecting rod 30, that is, the fourth connecting rod 40 is not a setting mode in which both ends are connected to the first connecting rod 10 and the second connecting rod 20 respectively. Instead, one end of the fourth connecting rod 40 is rotatably connected to the second connecting rod 20, and the other end of the fourth connecting rod 40 is a setting mode of a free end. In this way, since the third connecting rod 30 is connected to the first connecting rod 10 and the second connecting rod 20 at the same time, an approximate parallelogram structure can still be formed between the four connecting rods, and it still follows the structural rule of the parallelogram. The reason why this embodiment adopts the above setting mode is that the second rib assembly 60 on the fourth connecting rod 40 of this embodiment is a fixed rib arranged on the cutting line, so it can only be matched with one of the first connecting rod 10 or the second connecting rod 20. Of course, the fourth connecting rod 40 may also be arranged in the same manner as the third connecting rod 30, that is, both ends of the fourth connecting rod 40 are rotatably connected to the first connecting rod 10 and the second connecting rod 20 respectively, and the four connecting rods form a standard parallelogram.

[0037] In this embodiment, the fourth connecting rod 40 includes a first section and a second section that are bent and connected, and the first section and the second section form an L-shaped structure, wherein the first section is rotatably connected to the second connecting rod 20, and when the second connecting rod 20 rotates, the first section and the second connecting rod 20 rotate relative to each other, so that the parallel state of the fourth connecting rod 40 remains unchanged, and the second side guard assembly 60 is located on the second section and on the inner side of the second section, that is, the side of the second section facing the first side guard assembly 50. In this way, when the first connecting rod 10 and the second connecting rod 20 rotate, the fourth connecting rod 40 can be avoided from interfering with each other, thereby ensuring the reliability of the overall movement.

[0038] The present embodiment also provides a joint device, which is mainly used for the joint of a small-angle fiber cord belt layer. The joint device includes a feeding device 90, a joint assembly 100, a discharge device 110 and the above-mentioned joint edge adjustment device. The feeding device 90 includes a movable feeding telescopic belt; the joint assembly 100 is located at the end of the feeding device 90 and rotates following the telescopic movement of the feeding telescopic belt; the discharge device 110 includes a movable discharging telescopic belt, the feeding telescopic belt is aligned with the end of the discharging telescopic belt and is arranged in parallel, and the length direction of the feeding telescopic belt and the discharging telescopic belt is also the direction of conveying the cord; the first connecting rod 10 of the joint edge adjustment device is arranged on the joint assembly 100 and rotates synchronously with the joint assembly 100, the second connecting rod 20 of the joint edge adjustment device is arranged on the discharging telescopic belt and rotates following the telescopic movement of the discharging telescopic belt, and the baffles of the first side baffle assembly 50 and the second side baffle assembly 60 on the third connecting rod 30 and the fourth connecting rod 40 always maintain a parallel relationship with the conveying direction of the cord, thereby playing a role in positioning the tail of the cord.

[0039] It should be noted that, the multiple in the above embodiments refers to at least two.

[0040] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0041] 1. Solve the problem of poor accuracy of the baffle structure in the small-angle fiber cord belt layer joint device in the prior art;

[0042] 2. The sidewall assembly can be automatically adjusted according to the joint angle, eliminating the need for manual adjustment by the operator, thus ensuring ease of use;

[0043] 3. The automatic adjustment method is more accurate than manual adjustment, which can ensure the accurate position of the sidewall assembly and the limiting effect of the cord tail material;

[0044] 4. It solves the problem that the small-angle fiber cord belt layer joint with a strip telescopic belt structure has no positioning baffle or the positioning baffle adjustment is extremely complicated, which greatly improves the operation convenience of the equipment and improves the joint quality.

[0045] Obviously, the embodiments described above are only some embodiments of the utility model, not all embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.

[0046] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0047] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein.

[0048] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A joint edge adjustment device, characterized in that: include: A first connecting rod (10) disposed on the joint assembly (100) and rotating synchronously with the joint assembly (100); a second connecting rod (20) disposed on the discharge device (110) and rotating in accordance with the extension and retraction of the discharge device (110), wherein the second connecting rod (20) is disposed in parallel with and spaced from the first connecting rod (10); A third connecting rod (30), two ends of which are rotatably connected to the first connecting rod (10) and the second connecting rod (20) respectively; a fourth connecting rod (40), wherein the fourth connecting rod (40) is rotatably connected to the first connecting rod (10) and / or the second connecting rod (20), the fourth connecting rod (40) is arranged in parallel with the third connecting rod (30), and the first connecting rod (10), the second connecting rod (20), the third connecting rod (30) and the fourth connecting rod (40) form a parallelogram structure; A first side guard assembly (50), wherein the first side guard assembly (50) is arranged on the third connecting rod (30); A second side baffle assembly (60), wherein the second side baffle assembly (60) is arranged on the fourth connecting rod (40), and the first side baffle assembly (50) and the second side baffle assembly (60) form a material baffle channel for limiting the direction of material movement, and the material baffle channel is parallel to the material conveying direction.

2. The joint edge adjustment device according to claim 1, characterized in that: At least one of the third connecting rod (30) and the fourth connecting rod (40) is movably connected to the first connecting rod (10) and the second connecting rod (20), and can move along the length direction of the first connecting rod (10) and the second connecting rod (20) to change the size of the material blocking channel.

3. The joint edge adjustment device according to claim 2, characterized in that: The joint edge adjustment device also includes a moving drive component (70), which is drivingly connected to the third connecting rod (30) and / or the fourth connecting rod (40) and drives the third connecting rod (30) and / or the fourth connecting rod (40) to move along the length direction of the first connecting rod (10).

4. The joint edge adjustment device according to claim 1, characterized in that: The inner angle range of the parallelogram structure is 30°-95°.

5. The joint edge adjustment device according to claim 1, characterized in that: The first side baffle assembly (50) and the second side baffle assembly (60) both comprise a baffle plate, the baffle plate of the first side baffle assembly (50) and the baffle plate of the second side baffle assembly (60) always remain parallel, and the material baffle channel is formed between the two.

6. The joint edge adjustment device according to claim 5, characterized in that: The first baffle assembly (50) and / or the second baffle assembly (60) further comprises a baffle driving component, wherein the baffle driving component is drivingly connected to the baffle and drives the baffle to rise and fall.

7. The joint edge adjustment device according to claim 6, characterized in that: The joint edge adjustment device also includes a joint retraction plate (80), which is located below the baffle plate. When the baffle plate is driven to descend by the baffle plate driving member, the baffle plate contacts the joint retraction plate (80).

8. The joint edge adjustment device according to claim 1, characterized in that: One end of the fourth connecting rod (40) is rotatably connected to the second connecting rod (20), and the other end of the fourth connecting rod (40) is a free end.

9. The joint edge adjustment device according to claim 8, characterized in that: The fourth connecting rod (40) comprises a first section and a second section connected by bending, the first section and the second section form an L-shaped structure, the first section is rotatably connected to the second connecting rod (20), and the second side guard assembly (60) is located on the inner side of the second section.

10. A joint device, characterized in that: include: A feeding device (90), the feeding device (90) comprising a movable feeding telescopic belt; A joint assembly (100), the joint assembly (100) being located at an end of the feeding device (90) and rotating following the telescopic movement of the feeding telescopic belt; A discharge device (110), the discharge device (110) comprising a movable discharge telescopic belt, the feeding telescopic belt being aligned with and arranged in parallel with the end of the discharge telescopic belt; The joint edge adjustment device according to any one of claims 1 to 9, wherein the first connecting rod (10) of the joint edge adjustment device is arranged on the joint assembly (100) and rotates synchronously with the joint assembly (100), and the second connecting rod (20) of the joint edge adjustment device is arranged on the unloading telescopic belt and rotates following the telescopic movement of the unloading telescopic belt.

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