Packing material shaft penetrating device

Abstract

The utility model relates to the technical field of packing material production lines, in particular to a packing material shaft penetrating device. The packing material shaft penetrating device comprises a packing material moving mechanism and a shaft penetrating mechanism, the packing material moving mechanism comprises a first sliding rail and a supporting seat, and the supporting seat is arranged on the first sliding rail in a sliding mode, can move in a lifting mode and is used for supporting a packing material; the shaft pushing mechanism can move in the axial direction of the packing material so as to push the packing material shaft into a center hole of the packing material; and the lock catch shifting mechanism is used for shifting the shaft lock catch at the end part of the packing material shaft, so that the packing material shaft is limited in the center hole of the packing material. According to the shaft penetrating device for the packing material, the position of the packing material can be adjusted through the packing material moving mechanism, automatic conveying of the packing material can be achieved, the packing material shaft is pushed into a center hole of the packing material through the shaft pushing mechanism, and the shaft lock catch at the end of the packing material shaft is shifted through the lock catch shifting mechanism to be limited in the center hole of the packing material; automatic shaft penetrating operation of the packing material is achieved, manual shaft penetrating operation is replaced, the working efficiency is improved, and manpower consumption is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging material production lines, in particular to a packaging material shaft threading device. Background Art

[0002] Before installing the paper roll packaging material into the filling machine, the packaging material shaft needs to be installed first. At present, the operation of installing the packaging material shaft is done manually. The packaging material needs to be fixed with a clamping car first, and the packaging material shaft is manually inserted into the center hole of the packaging material, and then the shaft lock of the packaging material shaft is opened on the other side of the packaging material to fix it on the center hole of the packaging material. Therefore, the manual installation of the packaging material shaft has the disadvantages of complex operation, low installation efficiency, and a large amount of manpower consumption. Utility Model Content

[0003] The utility model provides a packaging material shaft threading device, which is used to solve the defects of manual installation of packaging material shafts in the prior art, such as complex operation, low installation efficiency and large amount of manpower consumption, and realizes automatic packaging material shaft threading.

[0004] The utility model provides a packaging material threading device, comprising:

[0005] The packaging material moving mechanism comprises: a first slide rail and a support seat, wherein the support seat is slidably arranged on the first slide rail, the support seat can be lifted and moved, and the support seat is used to support the packaging material;

[0006] An axis pushing mechanism, which is disposed on one side of the packaging material moving mechanism and can move along the axial direction of the packaging material to push the packaging material axis into the center hole of the packaging material;

[0007] The lock-pushing mechanism is arranged on the other side of the packaging material moving mechanism and is used to pull the shaft lock at the end of the packaging material shaft so that the packaging material shaft is limited in the center hole of the packaging material.

[0008] The packaging material threading device provided by the utility model also includes: a first support frame and a second support frame respectively arranged on both sides of the first slide rail, the shaft pushing mechanism is installed on the first support frame, and the lock toggle mechanism is installed on the second support frame.

[0009] According to the packaging material threading device provided by the utility model, the packaging material moving mechanism also includes:

[0010] A sliding plate, the sliding plate being slidably disposed on the first sliding rail;

[0011] A first driving unit, wherein a fixed end of the first driving unit is disposed on the sliding plate, and a movable end of the first driving unit is connected to the supporting seat, and is used to drive the supporting seat to move up and down.

[0012] According to the packaging material threading device provided by the utility model, the shaft pushing mechanism includes:

[0013] A buffer slot, wherein the buffer slot has an inclined surface for guiding the packaging material shaft to move to a push-in position at the bottom of the buffer slot;

[0014] A second driving unit, wherein the fixed end of the second driving unit is disposed on the first supporting frame, and the movable end of the second driving unit is connected to the buffer slot, and is used to drive the buffer slot to move up and down so that the packaging material axis located at the advancing position is opposite to the center hole of the packaging material.

[0015] According to the packaging material shaft threading device provided by the utility model, the shaft pushing mechanism also includes:

[0016] A push plate, the push plate being movably arranged near a push position of the cache slot;

[0017] A proximity switch is arranged at the push position of the buffer slot, and the sensing end of the proximity switch faces the packaging material, so as to determine whether the center hole of the packaging material is concentric with the packaging material axis.

[0018] According to the packaging material threading device provided by the utility model, the lock toggle mechanism includes:

[0019] A third driving unit, wherein a fixed end of the third driving unit is disposed on the second supporting frame;

[0020] A hammer is connected to the movable end of the third driving unit, and the third driving unit is used to drive the hammer to move up and down.

[0021] According to the packaging material threading device provided by the utility model, the lock toggle mechanism also includes:

[0022] A mounting seat, the mounting seat is fixed to the movable end of the third driving unit, and the hammer is connected to the movable end of the third driving unit through the mounting seat;

[0023] A fourth driving unit, wherein the fixed end of the fourth driving unit is disposed on the mounting seat, and the movable end of the fourth driving unit is connected to the hammer, and is used to drive the hammer to strike the shaft lock buckle at the end of the packaging material shaft to make the shaft lock buckle pop out.

[0024] The packaging material threading device provided by the utility model also includes:

[0025] a second slide rail, the second slide rail being located downstream of the shaft pushing mechanism and the lock toggle mechanism;

[0026] A lifting bracket is arranged on the second slide rail, and the lifting bracket can move up and down to lift the packaging material with the shaft inserted from the support seat and place it on the second slide rail.

[0027] The packaging material threading device provided by the utility model also includes:

[0028] A third support frame, wherein the third support frame is located on both sides of the first slide rail;

[0029] The second slide rail has a lifting leg, and the lifting leg is supported on the third support frame and is used to adjust the slope of the second slide rail.

[0030] The packaging material threading device provided by the utility model also includes:

[0031] A plurality of pairs of limiting structures are provided along the extension direction of the second slide rail, and are used to limit the packaging materials with the shafts inserted thereon and cache them on the second slide rail.

[0032] The utility model provides a packaging material shaft threading device, which includes: a packaging material moving mechanism, a shaft pushing mechanism and a lock toggle mechanism; the packaging material moving mechanism includes: a first slide rail and a support seat, the support seat is slidably arranged on the first slide rail, the support seat can be lifted and moved, and the support seat is used to support the packaging material. The shaft pushing mechanism is arranged on one side of the packaging material moving mechanism, and the shaft pushing mechanism can move along the axial direction of the packaging material to push the packaging material shaft into the center hole of the packaging material; the lock toggle mechanism is arranged on the other side of the packaging material moving mechanism, and is used to toggle the shaft lock at the end of the packaging material shaft, so that the packaging material shaft is limited in the center hole of the packaging material. The utility model provides a packaging material shaft threading device, which can adjust the position of the packaging material through a packaging material moving mechanism and can realize automatic transportation of the packaging material. The packaging material shaft is pushed into the center hole of the packaging material through the shaft pushing mechanism. When the packaging material shaft is pushed into place, the shaft lock at the end of the packaging material shaft is moved by the lock toggle mechanism to limit it in the center hole of the packaging material, thereby realizing automatic packaging material shaft threading operation, replacing manual shaft threading operation, improving work efficiency, and reducing manpower consumption. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions in the present invention or the prior art, a brief introduction will be given below to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0034] Figure 1 It is a structural schematic diagram of a packaging material threading device provided in one embodiment of the utility model from a first perspective;

[0035] Figure 2 It is a structural schematic diagram of the packaging material threading device provided in one embodiment of the utility model from a second viewing angle;

[0036] Figure 3 It is a structural schematic diagram of a packaging material moving mechanism provided in one embodiment of the utility model.

[0037] Reference numerals:

[0038] 101: first slide rail; 102: support seat; 103: sliding plate; 104: first drive unit; 201: first support frame; 202: second support frame; 301: cache slot; 302: second drive unit; 303: push plate; 401: third drive unit; 402: hammer; 403: mounting seat; 404: fourth drive unit; 501: second slide rail; 502: lifting bracket; 503: third support frame; 504: limiting structure. DETAILED DESCRIPTION

[0039] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described clearly and completely in conjunction with the drawings in the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0040] In the description of the embodiments of the present utility model, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present utility model. In addition, the terms "first", "second", and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0041] In the description of the embodiments of the present utility model, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present utility model can be understood according to specific circumstances.

[0042] In the embodiments of the present invention, unless otherwise clearly specified and limited, the first feature being "above" or "below" the second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature being "above", "above" and "above" the second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature being "below", "below" and "below" the second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model embodiment. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0044] Combine the following Figure 1-Figure 3 The utility model describes a packaging material shaft threading device, which comprises: a packaging material moving mechanism, a shaft pushing mechanism and a lock and pull mechanism.

[0045] The packaging material moving mechanism includes: a first slide rail 101 and a support seat 102. The support seat 102 is slidably arranged on the first slide rail 101, and the support seat 102 can be lifted and moved. The support seat 102 is used to support the packaging material. The shaft pushing mechanism is arranged on one side of the packaging material moving mechanism, and the shaft pushing mechanism can move along the axial direction of the packaging material to push the packaging material shaft into the center hole of the packaging material; the lock toggle mechanism is arranged on the other side of the packaging material moving mechanism, and is used to toggle the shaft lock at the end of the packaging material shaft so that the packaging material shaft is limited in the center hole of the packaging material.

[0046] Specifically, the first slide rail 101 serves as a guide component for the flow direction of the packaging material, ensuring that the packaging material is transported along the direction of the first slide rail 101. The support seat 102 is used to support the packaging material, which moves along the direction of the first slide rail 101 and has a lifting function to lift the packaging material to the through-axis position. The support seat 102 can be designed as follows according to the shape of the packaging material: Figure 3 The arc-shaped groove shown, the packaging material can be placed in the arc-shaped groove accordingly.

[0047] The shaft pushing mechanism and the lock toggle mechanism are respectively located on both sides of the first slide rail 101. The packaging material shaft can be transported to the shaft pushing mechanism by a transport robot. The shaft pushing mechanism is used to push the packaging material shaft into the center hole of the packaging material. After the packaging material shaft is pushed into place, the shaft lock at the end of the packaging material shaft is toggled by the lock toggle mechanism, so that the lock at the end of the packaging material shaft pops out, so that the packaging material shaft is limited in the center hole of the packaging material. Generally, one end of the packaging material shaft is an end face with a larger diameter. When the shaft pushing mechanism pushes the packaging material shaft into place, the end face abuts against one side of the packaging material shaft. The other end of the packaging material shaft has a locking pin (i.e., the above-mentioned shaft lock) arranged radially. The locking pin is toggled by the lock toggle mechanism to extend it. The packaging material shaft is limited in the center hole of the packaging material by the end face on one side of the packaging material shaft and the locking pin on the other side, so as to realize the assembly of the packaging material shaft.

[0048] The utility model provides a packaging material threading device, which includes: a packaging material moving mechanism, an axis pushing mechanism and a lock toggle mechanism; the packaging material moving mechanism includes: a first slide rail 101 and a support seat 102, the support seat 102 is slidably arranged on the first slide rail 101, the support seat 102 can be lifted and moved, and the support seat 102 is used to support the packaging material. The axis pushing mechanism is arranged on one side of the packaging material moving mechanism, and the axis pushing mechanism can move along the axial direction of the packaging material to push the packaging material axis into the center hole of the packaging material; the lock toggle mechanism is arranged on the other side of the packaging material moving mechanism, and is used to toggle the axis lock at the end of the packaging material axis, so that the packaging material axis is limited in the center hole of the packaging material. The utility model provides a packaging material shaft threading device, which can adjust the position of the packaging material through a packaging material moving mechanism and can realize automatic transportation of the packaging material. The packaging material shaft is pushed into the center hole of the packaging material through the shaft pushing mechanism. When the packaging material shaft is pushed into place, the shaft lock at the end of the packaging material shaft is moved by the lock toggle mechanism to limit it in the center hole of the packaging material, thereby realizing automatic packaging material shaft threading operation, replacing manual shaft threading operation, improving work efficiency, and reducing manpower consumption.

[0049] In one embodiment of the present invention, the packaging material threading device further includes: a first support frame 201 and a second support frame 202 respectively arranged on both sides of the first slide rail 101, the shaft pushing mechanism is installed on the first support frame 201, and the lock toggle mechanism is installed on the second support frame 202. Figure 1 and Figure 2 As shown, a first support frame 201 and a second support frame 202 are respectively provided on both sides of the first slide rail 101, which are used to install the shaft pushing mechanism and the lock toggle mechanism respectively, thereby ensuring the stable installation of the shaft pushing mechanism and the lock toggle mechanism. The two are relatively arranged to ensure accurate shaft insertion.

[0050] In one embodiment of the utility model, the packaging material moving mechanism further includes: a sliding plate 103 and a first driving unit 104. The sliding plate 103 is slidably arranged on the first slide rail 101; the fixed end of the first driving unit 104 is arranged on the sliding plate 103, and the movable end of the first driving unit 104 is connected to the support seat 102, which is used to drive the support seat 102 to move up and down. In this embodiment, the horizontal movement of the support seat 102 and the packaging material is realized by the sliding cooperation between the sliding plate 103 and the first slide rail 101. The first driving unit 104 is installed on the sliding plate 103. The first driving unit 104 can use a driving component such as a motor or an electric cylinder to drive the support seat 102 to move up and down. Preferably, two first driving units 104 are arranged on the left and right to drive the support seat 102 synchronously. Two first driving units 104 are installed through the sliding plate 103, which ensures that the first driving unit 104 is parallel and stable.

[0051] In one embodiment of the present utility model, the shaft pushing mechanism includes: a buffer slot 301 and a second driving unit 302. Among them, the buffer slot 301 has an inclined surface for guiding the packaging material shaft to move to the push position at the bottom of the buffer slot 301; the fixed end of the second driving unit 302 is arranged on the first support frame 201, and the movable end of the second driving unit 302 is connected to the buffer slot 301, and is used to drive the buffer slot 301 to move up and down, so that the packaging material shaft located at the push position is opposite to the center hole of the packaging material. Specifically, the buffer slot 301 is used to cache the packaging material shaft, and its bottom end serves as the push position of the buffer slot 301. The packaging material shaft is pushed into the center hole of the packaging material at this push position, and the second driving unit 302 can drive the buffer slot 301 to move up and down, so that the packaging material shaft is moved to the position of the center hole of the packaging material, so as to accurately push it to the center hole position of the packaging material. Preferably, the second driving unit 302 can adopt a driving component such as a lifting leg, which is arranged at the bottom of the buffer slot 301.

[0052] In one embodiment of the utility model, the shaft pushing mechanism further includes: a push plate 303 and a proximity switch. The push plate 303 is movably arranged near the push position of the buffer slot 301; the proximity switch is arranged at the push position of the buffer slot 301, and the sensing end of the proximity switch faces the packaging material, which is used to determine whether the center hole of the packaging material is concentric with the packaging material axis. In this embodiment, a push plate 303 is arranged near the push position of the buffer slot 301, and the push plate 303 can push the packaging material axis along the axial direction of the packaging material, thereby pushing the packaging material axis into the center hole of the packaging material, and a proximity switch is arranged at the push position of the buffer slot 301, so as to determine whether the packaging material axis is opposite to the center hole of the packaging material, thereby improving the accuracy of the axis penetration. Specifically, if the packaging material axis is not opposite to the center hole of the packaging material, the proximity switch is blocked by the side of the packaging material, and the signal is continuously monitored; if the packaging material axis is opposite to the center hole of the packaging material, the signal sent by the proximity switch will not be blocked by the side of the packaging material, and the rebound signal cannot be received. If a signal change occurs, it indicates that the packaging material axis is concentric with the packaging material.

[0053] In one embodiment of the present utility model, the lock toggle mechanism includes: a third drive unit 401 and a hammer 402. The fixed end of the third drive unit 401 is arranged on the second support frame 202; the hammer 402 is connected to the movable end of the third drive unit 401, and the third drive unit 401 is used to drive the hammer 402 to move up and down. In this embodiment, the hammer 402 is used to knock the shaft lock buckle at the end of the packaging material shaft so that the shaft lock buckle pops out, and the packaging material shaft is limited in the center hole of the packaging material, and the third drive unit 401 is used to drive the hammer 402 to move up and down, so that it moves to a suitable height position, so as to knock the packaging material shaft.

[0054] In one embodiment of the utility model, the lock toggle mechanism further includes: a mounting seat 403 and a fourth drive unit 404. The mounting seat 403 is fixed to the movable end of the third drive unit 401, and the hammer 402 is connected to the movable end of the third drive unit 401 through the mounting seat 403; the fixed end of the fourth drive unit 404 is arranged on the mounting seat 403, and the movable end of the fourth drive unit 404 is connected to the hammer 402, which is used to drive the hammer 402 to knock the shaft lock buckle at the end of the packaging material shaft so that the shaft lock buckle pops out. Specifically, the hammer 402 is installed through the mounting seat 403, and the third drive unit 401 drives the mounting seat 403 and the hammer 402 to move up and down as a whole, and the fourth drive unit 404 is arranged on the mounting seat 403, which is used to drive the hammer 402 to perform a knocking operation. In this embodiment, the height and knocking action of the hammer 402 are controlled by the third drive unit 401 and the fourth drive unit 404 respectively to ensure that the shaft lock buckle pops out accurately. Preferably, the third driving unit 401 may adopt a driving component such as a motor or an electric cylinder; and the fourth driving unit 404 may adopt a driving component such as a cylinder.

[0055] In one embodiment of the present invention, the packaging material threading device further includes: a second slide rail 501 and a lifting bracket 502. The second slide rail 501 is located downstream of the shaft pushing mechanism and the lock toggle mechanism; the lifting bracket 502 is arranged on the second slide rail 501, and the lifting bracket 502 can move up and down to lift the packaging material with the threaded shaft from the support seat 102 and place it on the second slide rail 501. In this embodiment, the second slide rail 501 is used to guide the packaging material with the threaded shaft for transportation, and the lifting bracket 502 can move up and down. When the packaging material with the threaded shaft moves to the top of the second slide rail 501 through the support seat 102, the lifting bracket 502 rises to lift the packaging material with the threaded shaft from the support seat 102 through its packaging material shaft, and the support seat 102 is reset. The lifting bracket 502 descends to place the packaging material with the threaded shaft on the second slide rail 501 for storage or transportation. After the support seat 102 is reset, the next packaging material threading operation can be performed. Preferably, the packaging material with the axis inserted is placed on the second slide rail 501 and is supported on the second slide rail 501 by the packaging material axis. Therefore, the width of the second slide rail 501 should be greater than the thickness of the packaging material but less than the length of the packaging material axis.

[0056] In one embodiment of the utility model, the packaging material threading device further includes: a third support frame 503, the third support frame 503 is located on both sides of the first slide rail 101; the second slide rail 501 has lifting legs, the lifting legs are supported on the third support frame 503, and are used to adjust the slope of the second slide rail 501. In this embodiment, the third support frame 503 is erected on the ground, and the second slide rail 501 is installed through the third support frame 503. Since the second slide rail 501 has lifting legs, the slope of the second slide rail 501 can be adjusted by the lifting movement of the lifting legs, thereby realizing directional transportation of the packaging materials with the threaded shafts.

[0057] In one embodiment of the utility model, the packaging material threading device further includes: multiple pairs of limiting structures 504, multiple pairs of limiting structures 504 are arranged along the extension direction of the second slide rail 501, and are used to limit and cache the packaging materials that have been threaded on the second slide rail 501. In this embodiment, the packaging materials that have been threaded are limited by setting the limiting structures 504, and the function of designing multiple pairs of limiting structures 504 is to isolate the packaging materials that have been threaded to avoid contact or collision between adjacent packaging materials and causing damage. Preferably, three pairs of limiting structures 504 can be arranged on the second slide rail 501, and a pair of limiting structures 504 are respectively arranged at the head end and the end of the second slide rail 501, and a pair of limiting structures 504 are also arranged in the middle position, the first pair of limiting structures 504 is used to limit the packaging materials that have just been threaded, the second pair of limiting structures 504 is used to cache a packaging material that has been threaded, and the third pair of limiting structures 504 is used to control the unloading of the packaging materials that have been threaded to the transport vehicle. It should be understood that the limiting structure 504 is capable of lifting and lowering movements. When the limiting structure 504 is raised and higher than the second slide rail 501, the packaging materials contact the limiting structure 504 to achieve positioning; when the limiting structure 504 is lowered and is flush with or lower than the second slide rail 501, the packaging materials pass through the limiting structure 504 and are moved and transported along the direction of the second slide rail 501.

[0058] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A packaging material threading device, characterized in that: include: The packaging material moving mechanism comprises: a first slide rail (101) and a support seat (102), wherein the support seat (102) is slidably arranged on the first slide rail (101), the support seat (102) can be lifted and moved, and the support seat (102) is used to support the packaging material; an axis pushing mechanism, wherein the axis pushing mechanism is arranged on one side of the packaging material moving mechanism, and the axis pushing mechanism can move along the axial direction of the packaging material to push the axis of the packaging material into the center hole of the packaging material; The lock-pushing mechanism is arranged on the other side of the packaging material moving mechanism and is used to pull the shaft lock at the end of the packaging material shaft so that the packaging material shaft is limited in the center hole of the packaging material.

2. The packaging material threading device according to claim 1, characterized in that: Also includes: A first support frame (201) and a second support frame (202) are respectively arranged on both sides of the first slide rail (101), the shaft pushing mechanism is installed on the first support frame (201), and the lock toggle mechanism is installed on the second support frame (202).

3. The packaging material threading device according to claim 1, characterized in that: The packaging material moving mechanism also includes: A sliding plate (103), the sliding plate (103) being slidably disposed on the first sliding rail (101); A first driving unit (104), wherein a fixed end of the first driving unit (104) is arranged on the sliding plate (103), and a movable end of the first driving unit (104) is connected to the supporting seat (102) for driving the supporting seat (102) to move up and down.

4. The packaging material threading device according to claim 2, characterized in that: The shaft pushing mechanism comprises: A buffer slot (301), wherein the buffer slot (301) has an inclined surface for guiding the packaging material shaft to move to a pushing position at the bottom of the buffer slot (301); A second driving unit (302), wherein a fixed end of the second driving unit (302) is disposed on the first supporting frame (201), and a movable end of the second driving unit (302) is connected to the buffer slot (301), and is used to drive the buffer slot (301) to move up and down, so that the packaging material axis located at the advancing position is opposite to the center hole of the packaging material.

5. The packaging material threading device according to claim 4, characterized in that: The shaft pushing mechanism also includes: A push plate (303), the push plate (303) being movably arranged near the push position of the cache slot (301); A proximity switch is arranged at the push position of the buffer slot (301), and the sensing end of the proximity switch faces the packaging material, and is used to determine whether the center hole of the packaging material is concentric with the packaging material axis.

6. The packaging material threading device according to claim 2, characterized in that: The lock toggle mechanism comprises: A third driving unit (401), the fixed end of the third driving unit (401) is arranged on the second supporting frame (202); a hammer (402), the hammer (402) is connected to the movable end of the third driving unit (401), and the third driving unit (401) is used to drive the hammer (402) to move up and down.

7. The packaging material threading device according to claim 6, characterized in that: The lock toggle mechanism also includes: A mounting seat (403), wherein the mounting seat (403) is fixed to the movable end of the third driving unit (401), and the hammer (402) is connected to the movable end of the third driving unit (401) through the mounting seat (403); A fourth driving unit (404), wherein the fixed end of the fourth driving unit (404) is arranged on the mounting seat (403), and the movable end of the fourth driving unit (404) is connected to the hammer (402) and is used to drive the hammer (402) to strike the shaft lock buckle at the end of the packaging material shaft so that the shaft lock buckle pops out.

8. The packaging material threading device according to any one of claims 1 to 7, characterized in that: Also includes: A second slide rail (501), the second slide rail (501) being located downstream of the shaft pushing mechanism and the lock toggle mechanism; A lifting bracket (502), the lifting bracket (502) is arranged on the second slide rail (501), and the lifting bracket (502) can move up and down to lift the packaging material with the shaft inserted from the support seat (102) and place it on the second slide rail (501).

9. The packaging material threading device according to claim 8, characterized in that: Also includes: A third support frame (503), wherein the third support frame (503) is located on both sides of the first slide rail (101); The second slide rail (501) has a lifting leg, and the lifting leg is supported on the third support frame (503) and is used to adjust the slope of the second slide rail (501).

10. The packaging material threading device according to claim 9, characterized in that: Also includes: A plurality of pairs of limiting structures (504) are provided along the extension direction of the second slide rail (501) and are used to limit the position of the packaging materials with the shafts threaded thereon and cache them on the second slide rail (501).

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