Auxiliary device for product packaging

By designing product guidance, positioning guidance, auxiliary pressing, and packaging drive units, the problems of simultaneous packaging of multiple products and insecure labeling were solved, achieving an efficient and safe product packaging process.

CN121376327APending Publication Date: 2026-01-23YUNNAN BAIYAO GROUP LIJIANG PHARMACEUTICAL CO LTD
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Patent Information

Application Number
CN202511711493.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-20
Publication Date
2026-01-23

AI Technical Summary

Technical Problem

In existing technologies, only one product can be attached to the packaging bag during product packaging. Packaging multiple products at the same time is troublesome, labels are easily not firmly attached, and foreign objects cannot be automatically detected, posing safety hazards.

Method used

The design incorporates a product guiding unit, a positioning guiding unit, an auxiliary pressing unit, and a packaging driving unit to enable simultaneous packaging of multiple products, secure label pressing, and foreign object detection. An electric telescopic rod is used to control and prevent accidental damage.

Benefits of technology

It improves the packaging efficiency of multiple products, ensures that labels are in firm contact with products, automatically detects foreign objects and prevents accidental injury to staff, and enhances packaging safety and efficiency.

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Abstract

The invention provides an auxiliary device for product packaging, which relates to the technical field of product packaging and comprises a product guide unit, a positioning guide unit, an auxiliary pressing unit and a packaging driving unit, the positioning guide unit is mounted on the product guide unit; the auxiliary pressing unit is installed on the product guiding unit and used for pressing labels on the products; the packaging driving unit is installed on the product guiding unit and used for pushing products to be packaged. A control panel is installed on the front side of the product guiding unit and used for controlling the packaging driving unit. According to the product packaging device, a worker can conveniently place a plurality of products to be packaged in the product guiding frame in advance, so that the products to be packaged can be moved into a packaging bag together; the problems that only a single product can be connected with a packaging bag, multiple products are troublesome to be placed in the same packaging bag at the same time, and the packaging efficiency is affected are solved.
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Description

Technical Field

[0001] This invention belongs to the field of product packaging technology, and more specifically, relates to an auxiliary device for product packaging. Background Technology

[0002] Using auxiliary devices during product packaging can significantly improve work efficiency. Traditional manual packaging relies on manual placement, which is slow and tiring, while auxiliary devices can improve the connection efficiency between the product and the packaging bag.

[0003] Currently, the following problems exist in product packaging: 1. Only a single product can be connected to the packaging bag, which makes it troublesome to place multiple products in the same packaging bag at the same time, affecting packaging efficiency; 2. It is impossible to assist in pressing the label on the product surface when packaging the product, which makes it easy for the label on the product to not stick firmly; 3. It cannot automatically detect other foreign objects during packaging, which may easily injure the staff. Summary of the Invention

[0004] This disclosure relates to an auxiliary device for product packaging, comprising a product guiding unit, a positioning guiding unit, an auxiliary pressing unit, and a packaging driving unit. It facilitates workers in pre-placing multiple products to be packaged in a product guiding frame, allowing the products to move together into the packaging bag. It also provides auxiliary pressing for the labels on the products, ensuring secure contact between the labels and the products. When the control switch is pressed, the control panel stops the electric telescopic rod, preventing accidental injury to workers from the packaging driving frame. This device solves the problems of only being able to connect a single product to the packaging bag, not being able to assist in pressing the labels on the product surface during packaging, and not being able to automatically detect other foreign objects during packaging.

[0005] This invention provides an auxiliary device for product packaging, comprising: a product guiding unit, a positioning guiding unit, an auxiliary pressing unit, and a packaging driving unit; the positioning guiding unit is mounted on the product guiding unit and is used to position the product to be packaged, and also to improve the connection speed between the product guiding unit and the packaging bag; the auxiliary pressing unit is mounted on the product guiding unit and is used to press the label on the product; the packaging driving unit is mounted on the product guiding unit and is used to push the product to be packaged; a control panel is mounted on the front side of the product guiding unit and is used to control the packaging driving unit.

[0006] In at least some embodiments, the product guiding unit includes: a mounting support frame and a product guiding frame; the mounting support frame has four bolt mounting holes; and the product guiding frame is fixedly mounted on the top of the mounting support frame.

[0007] In at least some embodiments, the positioning guide unit includes: a rectangular mounting block, a circular mounting shaft, and a positioning guide plate; there are two rectangular mounting blocks, and the two rectangular mounting blocks are fixedly mounted on the product guide frame; there are two circular mounting shafts, and the two circular mounting shafts are fixedly mounted on the two rectangular mounting blocks; there are two positioning guide plates, and the two positioning guide plates are rotatably mounted on the two circular mounting shafts.

[0008] In at least some embodiments, the product guiding unit further includes: four circular positioning heads; the four circular positioning heads are fixedly installed on the product guiding frame, and the four circular positioning heads are also in contact with two positioning guide plates.

[0009] In at least some embodiments, the positioning guide unit further includes: circular mounting blocks and reset elastic bands; there are four circular mounting blocks in total, and the four circular mounting blocks are fixedly mounted on two positioning guide plates; there are two reset elastic bands in total, and the two reset elastic bands are mounted on the four circular mounting blocks.

[0010] In at least some embodiments, the auxiliary pressing unit includes: a U-shaped mounting frame, circular guide rods, and an auxiliary pressing plate; the U-shaped mounting frame is fixedly mounted on the product guide frame; the circular guide rods are arranged in a row, and the row of circular guide rods is slidably mounted on the U-shaped mounting frame; the auxiliary pressing plate is fixedly mounted on the row of circular guide rods.

[0011] In at least some embodiments, the auxiliary pressing unit further includes: a circular limiting ring a and a helical spring a; the circular limiting ring a is provided in a row, and the row of circular limiting rings a is fixedly installed on a row of circular guide rods, and the row of circular limiting rings a also contacts the U-shaped mounting frame; the helical spring a is provided in a row, and the row of helical springs a is sleeved on the outside of the row of circular guide rods, and the row of helical springs a is located between the U-shaped mounting frame and the auxiliary pressing plate.

[0012] In at least some embodiments, the packaging drive unit includes: an electric telescopic rod and a packaging drive frame; the electric telescopic rod is fixedly mounted on the product guide frame and is electrically connected to the control panel; the packaging drive frame is slidably mounted on the output shaft of the electric telescopic rod.

[0013] In at least some embodiments, the packaging drive unit further includes: a circular limiting ring b and a circular limiting ring c; the circular limiting ring b is fixedly mounted on the output shaft of the electric telescopic rod, and the circular limiting ring b also contacts the packaging drive frame; the circular limiting ring c is fixedly mounted on the output shaft of the electric telescopic rod.

[0014] In at least some embodiments, the packaging drive unit further includes: a control switch and a helical spring b; the control switch is fixedly mounted on the output shaft of the electric telescopic rod and is electrically connected to the control panel; the helical spring b is sleeved on the output shaft of the electric telescopic rod and is located between the packaging drive frame and the circular limiting ring c.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In this invention, because the product guide frame is fixedly installed on the top of the mounting support frame, it is convenient for workers to pre-place multiple products to be packaged in the product guide frame, so that multiple products to be packaged can be moved together into the packaging bag; and because two circular mounting shafts are fixedly installed on two rectangular mounting blocks, and two positioning guide plates are rotatably installed on the two circular mounting shafts, the two positioning guide plates have a rotation effect. The setting of the two positioning guide plates, on the one hand, plays a positioning role for the products to be packaged in the product guide frame, and on the other hand, plays a guiding role for the outer packaging bag, which is conducive to the outer packaging bag being placed on the outside of the product guide frame; In addition, because the four circular positioning heads are fixedly installed on the product guide frame and are in contact with the two positioning guide plates, they limit the movement of the two positioning guide plates. Furthermore, because the four circular mounting blocks are fixedly installed on the two positioning guide plates and the two reset elastic bands are installed on the four circular mounting blocks, they provide elastic positioning for the two positioning guide plates, ensuring that the two positioning guide plates will only rotate when subjected to force.

[0016] 2. In this invention, a row of circular guide rods is slidably installed on a U-shaped mounting frame, and an auxiliary pressing plate is fixedly installed on a row of circular guide rods, giving the auxiliary pressing plate a sliding effect under the action of the row of circular guide rods. Furthermore, a row of circular limiting rings a is fixedly installed on a row of circular guide rods, and a row of helical springs a is sleeved on the outside of the row of circular guide rods. The row of helical springs a is located between the U-shaped mounting frame and the auxiliary pressing plate, allowing the auxiliary pressing plate to elastically contact the product to be packaged, thus providing an auxiliary pressing effect on the label on the product and ensuring firm contact between the label and the product.

[0017] 3. In this invention, because the electric telescopic rod is fixedly installed on the product guide frame and the packaging drive frame is slidably installed on the output shaft of the electric telescopic rod, when the control panel controls the output shaft of the electric telescopic rod to extend, the packaging drive frame pushes the product in the product guide frame, causing the product in the product guide frame to move into the outer packaging bag; and because the helical spring b is sleeved on the output shaft of the electric telescopic rod and the helical spring b is located between the packaging drive frame and the circular limiting ring c, the packaging drive frame has a sliding effect. In addition, since the control switch is fixedly installed on the output shaft of the electric telescopic rod, the packaging drive frame can automatically press the control switch when it is jammed by foreign objects during the movement of the packaging drive frame; and since the electric telescopic rod is electrically connected to the control panel, and the control switch is electrically connected to the control panel, when the control switch is pressed, the control panel controls the electric telescopic rod to stop working, thus preventing the packaging drive frame from accidentally injuring the staff. Attached Figure Description

[0018] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings of the embodiments will be briefly described below.

[0019] The accompanying drawings described below are only related to some embodiments of the invention and are not intended to limit the invention.

[0020] In the attached diagram: Figure 1 A three-dimensional structural schematic diagram of the present invention is shown; Figure 2 A schematic diagram of the positioning and guiding unit of the present invention is shown; Figure 3 The present invention is shown. Figure 1 A magnified schematic diagram of a portion of region A in the middle; Figure 4 A schematic diagram of the auxiliary pressing unit of the present invention is shown; Figure 5 The present invention is shown. Figure 1 A schematic diagram of the central cross-section structure; Figure 6 The present invention is shown. Figure 5 A magnified schematic diagram of a portion of region B in the middle; Figure 7 The present invention is shown. Figure 1 A schematic diagram of the structure from the right side perspective; Figure 8 A schematic diagram of the packaging drive unit of the present invention is shown; Figure 9 The present invention is shown. Figure 8 A magnified schematic diagram of a portion of region C in the middle; Figure 10 The present invention is shown. Figure 5 A magnified schematic diagram of the structure of region D in the middle.

[0021] List of reference numerals in the attached diagram: 100. Product guiding unit; 101. Mounting support frame; 102. Product guide frame; 103. Circular positioning head; 200. Positioning guide unit; 201. Rectangular mounting block; 202. Circular mounting shaft; 203. Positioning guide plate; 204. Circular mounting block; 205. Reset elastic band; 300. Auxiliary pressing unit; 301. U-shaped mounting frame; 302. Circular guide rod; 303. Auxiliary pressing plate; 304. Circular limit ring a; 305. Helical spring a; 400. Packaging drive unit; 401. Electric telescopic rod; 402. Packaging drive frame; 403. Circular limit ring b; 404. Circular limit ring c; 405. Control switch; 406. Helical spring b; 500. Control Panel. Detailed Implementation

[0022] To make the objectives, solutions, and advantages of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Unless otherwise stated, the terms used herein have their ordinary meanings in the art. The same reference numerals in the drawings represent the same parts.

[0023] Example: Please refer to Figures 1 to 10 As shown: This invention provides an auxiliary device for product packaging, comprising: a product guiding unit 100, a positioning guiding unit 200, an auxiliary pressing unit 300, and a packaging driving unit 400; the positioning guiding unit 200 is mounted on the product guiding unit 100, and is used to position the product to be packaged, and also to improve the connection speed between the product guiding unit 100 and the packaging bag; the auxiliary pressing unit 300 is mounted on the product guiding unit 100, and is used to press the label on the product; the packaging driving unit 400 is mounted on the product guiding unit 100, and is used to push the product to be packaged; a control panel 500 is mounted on the front side of the product guiding unit 100, and the control panel 500 is used to control the packaging driving unit 400.

[0024] In this embodiment of the disclosure, such as Figures 1 to 3As shown, the product guiding unit 100 includes: a mounting support frame 101 and a product guiding frame 102; the mounting support frame 101 has four bolt mounting holes; the product guiding frame 102 is fixedly mounted on the top of the mounting support frame 101; the positioning guiding unit 200 includes: rectangular mounting blocks 201, circular mounting shafts 202, and positioning guide plates 203; two rectangular mounting blocks 201 are provided, and the two rectangular mounting blocks 201 are fixedly mounted on the product guiding frame 102; two circular mounting shafts 202 are provided, and the two circular mounting shafts 202 are fixedly mounted on the two rectangular mounting blocks 201; two positioning guide plates 203 are provided, and the two positioning guide plates... The product guide unit 100 also includes: a circular positioning head 103; four circular positioning heads 103 are provided in total, and the four circular positioning heads 103 are fixedly installed on the product guide frame 102, and the four circular positioning heads 103 also contact the two positioning guide plates 203; the positioning guide unit 200 also includes: a circular mounting block 204 and a reset elastic band 205; four circular mounting blocks 204 are provided in total, and the four circular mounting blocks 204 are fixedly installed on the two positioning guide plates 203; two reset elastic bands 205 are provided in total, and the two reset elastic bands 205 are installed on the four circular mounting blocks 204; Its specific functions are as follows: Since the product guide frame 102 is fixedly installed on the top of the mounting support frame 101, it is convenient for staff to pre-place multiple products to be packaged in the product guide frame 102, so that multiple products to be packaged can be moved together into the packaging bag; since the two circular mounting shafts 202 are fixedly installed on the two rectangular mounting blocks 201, and the two positioning guide plates 203 are rotatably installed on the two circular mounting shafts 202, the two positioning guide plates 203 have a rotation effect. The setting of the two positioning guide plates 203, on the one hand, plays a positioning role for the products to be packaged in the product guide frame 102, and on the other hand, plays a guiding role for the outer packaging bag, which is conducive to the outer packaging bag being placed on the outside of the product guide frame 102; Furthermore, since the four circular positioning heads 103 are fixedly installed on the product guide frame 102, and the four circular positioning heads 103 are also in contact with the two positioning guide plates 203, they play a limiting role on the two positioning guide plates 203; and since the four circular mounting blocks 204 are fixedly installed on the two positioning guide plates 203, and the two reset elastic bands 205 are installed on the four circular mounting blocks 204, they play an elastic positioning effect on the two positioning guide plates 203, so that the two positioning guide plates 203 will only rotate when force is applied.

[0025] In this embodiment of the disclosure, such as Figure 4 and Figure 6As shown, the auxiliary pressing unit 300 includes: a U-shaped mounting frame 301, circular guide rods 302, and an auxiliary pressing plate 303; the U-shaped mounting frame 301 is fixedly mounted on the product guide frame 102; the circular guide rods 302 are arranged in a row, and the row of circular guide rods 302 is slidably mounted on the U-shaped mounting frame 301; the auxiliary pressing plate 303 is fixedly mounted on the row of circular guide rods 302; the auxiliary pressing unit 300 also includes: a circular limiting ring a304 and a helical spring a305; the circular limiting rings a304 are arranged in a row, and the row of circular limiting rings a304 is fixedly mounted on the row of circular guide rods 302, and the row of circular limiting rings a304 also contacts the U-shaped mounting frame 301; the helical springs a305 are arranged in a row, and the row of helical springs a305 is sleeved on the outside of the row of circular guide rods 302, and the row of helical springs a305 is located between the U-shaped mounting frame 301 and the auxiliary pressing plate 303; Its specific function is as follows: because a row of circular guide rods 302 are slidably installed on the U-shaped mounting frame 301, and the auxiliary pressing plate 303 is fixedly installed on the row of circular guide rods 302, the auxiliary pressing plate 303 has a sliding effect under the action of the row of circular guide rods 302; and because a row of circular limiting rings a304 are fixedly installed on the row of circular guide rods 302, and a row of helical springs a305 are sleeved on the outside of the row of circular guide rods 302, and the row of helical springs a305 is located between the U-shaped mounting frame 301 and the auxiliary pressing plate 303, the auxiliary pressing plate 303 can elastically contact the product to be packaged, and plays an auxiliary pressing effect on the label on the product to be packaged, ensuring that the label is firmly in contact with the product.

[0026] In this embodiment of the disclosure, such as Figures 8 to 10 As shown, the packaging drive unit 400 includes: an electric telescopic rod 401 and a packaging drive frame 402; the electric telescopic rod 401 is fixedly installed on the product guide frame 102, and the electric telescopic rod 401 is electrically connected to the control panel 500; the packaging drive frame 402 is slidably installed on the output shaft of the electric telescopic rod 401; the packaging drive unit 400 also includes: a circular limiting ring b403 and a circular limiting ring c404; the circular limiting ring b403 is fixedly installed on the output shaft of the electric telescopic rod 401, and the circular limiting ring c404 is slidably installed on the output shaft of the electric telescopic rod 401. 3. It also contacts the packaging drive frame 402; the circular limit ring c404 is fixedly installed on the output shaft of the electric telescopic rod 401; the packaging drive unit 400 also includes: a control switch 405 and a helical spring b406; the control switch 405 is fixedly installed on the output shaft of the electric telescopic rod 401, and the control switch 405 is electrically connected to the control panel 500; the helical spring b406 is sleeved on the output shaft of the electric telescopic rod 401, and the helical spring b406 is located between the packaging drive frame 402 and the circular limit ring c404; Its specific function is as follows: Since the electric telescopic rod 401 is fixedly installed on the product guide frame 102, and the packaging drive frame 402 is slidably installed on the output shaft of the electric telescopic rod 401, when the control panel 500 controls the output shaft of the electric telescopic rod 401 to extend, the packaging drive frame 402 pushes the product in the product guide frame 102, causing the product in the product guide frame 102 to move into the outer packaging bag; and since the helical spring b406 is sleeved on the output shaft of the electric telescopic rod 401, and the helical spring b406 is located between the packaging drive frame 402 and the circular limit ring c404, the packaging drive frame 402 has a sliding effect. Furthermore, since the control switch 405 is fixedly installed on the output shaft of the electric telescopic rod 401, when the packaging drive frame 402 is jammed by a foreign object during its movement, the packaging drive frame 402 can automatically press the control switch 405. Also, since the electric telescopic rod 401 is electrically connected to the control panel 500, and the control switch 405 is electrically connected to the control panel 500, when the control switch 405 is pressed, the control panel 500 controls the electric telescopic rod 401 to stop working, thus preventing the packaging drive frame 402 from accidentally injuring workers.

[0027] The specific usage and function of this embodiment are as follows: In use, the operator first secures the mounting support frame 101 with bolts, then places the products to be packaged in the product guide frame 102, allowing multiple products to move together into the packaging bag. Next, the outer packaging bag is placed over the two positioning guide plates 203, and then the outer packaging bag is moved to the outside of the product guide frame 102. The two positioning guide plates 203 serve two purposes: firstly, they position the products to be packaged in the product guide frame 102; secondly, they guide the outer packaging bag, facilitating its placement over the product guide frame 102. The auxiliary pressing plate 303 slides under the action of a row of circular guide rods 302, allowing the auxiliary pressing plate 303 to slide against the products to be packaged. The elastic contact of the packaged product provides auxiliary pressing effect on the label on the product to be packaged, ensuring a firm contact between the label and the product. When the output shaft of the electric telescopic rod 401 is extended by the control panel 500, the packaging drive frame 402 pushes the product in the product guide frame 102, moving the product in the product guide frame 102 into the outer packaging bag. When the packaging drive frame 402 is jammed by a foreign object during movement, the packaging drive frame 402 can automatically press the control switch 405. Since the electric telescopic rod 401 is electrically connected to the control panel 500, and the control switch 405 is also electrically connected to the control panel 500, when the control switch 405 is pressed, the control panel 500 controls the electric telescopic rod 401 to stop working, preventing the packaging drive frame 402 from accidentally injuring personnel.

[0028] The following points should be noted in this article: 1. The accompanying drawings of the embodiments disclosed herein only relate to the structures involved in the embodiments disclosed herein; other structures can be referred to in a general design.

[0029] 2. Where there is no conflict, the embodiments of this disclosure and the features in the embodiments can be combined with each other to obtain new embodiments.

[0030] The above are merely specific embodiments of this disclosure, but the scope of protection of this disclosure is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this disclosure should be included within the scope of protection of this disclosure. Therefore, the scope of protection of this disclosure should be determined by the scope of the claims.

Claims

1. An auxiliary device for product packaging, comprising: The product guiding unit (100), positioning guiding unit (200), auxiliary pressing unit (300), and packaging driving unit (400) are characterized in that the positioning guiding unit (200) is installed on the product guiding unit (100), the positioning guiding unit (200) is used to position the product to be packaged, and the positioning guiding unit (200) is also used to improve the connection speed between the product guiding unit (100) and the packaging bag; the auxiliary pressing unit (300) is installed on the product guiding unit (100), the auxiliary pressing unit (300) is used to press the label on the product; the packaging driving unit (400) is installed on the product guiding unit (100), the packaging driving unit (400) is used to push the product to be packaged; a control panel (500) is installed on the front side of the product guiding unit (100), the control panel (500) is used to control the packaging driving unit (400).

2. The auxiliary device for product packaging according to claim 1, characterized in that, The product guiding unit (100) includes: a mounting support frame (101) and a product guiding frame (102); the mounting support frame (101) has four bolt mounting holes; the product guiding frame (102) is fixedly installed on the top of the mounting support frame (101).

3. The auxiliary device for product packaging according to claim 2, characterized in that, The positioning guide unit (200) includes: a rectangular mounting block (201), a circular mounting shaft (202), and a positioning guide plate (203); there are two rectangular mounting blocks (201), and the two rectangular mounting blocks (201) are fixedly mounted on the product guide frame (102); there are two circular mounting shafts (202), and the two circular mounting shafts (202) are fixedly mounted on the two rectangular mounting blocks (201); there are two positioning guide plates (203), and the two positioning guide plates (203) are rotatably mounted on the two circular mounting shafts (202).

4. The auxiliary device for product packaging according to claim 3, characterized in that, The product guiding unit (100) further includes: a circular positioning head (103); there are four circular positioning heads (103), and the four circular positioning heads (103) are fixedly installed on the product guiding frame (102), and the four circular positioning heads (103) are also in contact with two positioning guide plates (203).

5. The auxiliary device for product packaging according to claim 3, characterized in that, The positioning guide unit (200) further includes: a circular mounting block (204) and a reset elastic band (205); there are four circular mounting blocks (204) in total, and the four circular mounting blocks (204) are fixedly mounted on two positioning guide plates (203); there are two reset elastic bands (205) in total, and the two reset elastic bands (205) are mounted on the four circular mounting blocks (204).

6. The auxiliary device for product packaging according to claim 2, characterized in that, The auxiliary pressing unit (300) includes: a U-shaped mounting frame (301), a circular guide rod (302), and an auxiliary pressing plate (303); the U-shaped mounting frame (301) is fixedly mounted on the product guide frame (102); the circular guide rod (302) is arranged in a row, and the row of circular guide rods (302) is slidably mounted on the U-shaped mounting frame (301); the auxiliary pressing plate (303) is fixedly mounted on the row of circular guide rods (302).

7. An auxiliary device for product packaging according to claim 6, characterized in that, The auxiliary pressing unit (300) further includes: a circular limiting ring a (304) and a helical spring a (305); the circular limiting ring a (304) is arranged in a row, and the row of circular limiting rings a (304) is fixedly installed on a row of circular guide rods (302), and the row of circular limiting rings a (304) is also in contact with the U-shaped mounting frame (301); the helical spring a (305) is arranged in a row, and the row of helical springs a (305) is sleeved on the outside of the row of circular guide rods (302), and the row of helical springs a (305) is located between the U-shaped mounting frame (301) and the auxiliary pressing plate (303).

8. An auxiliary device for product packaging according to claim 2, characterized in that, The packaging drive unit (400) includes: an electric telescopic rod (401) and a packaging drive frame (402); the electric telescopic rod (401) is fixedly installed on the product guide frame (102) and is electrically connected to the control panel (500); the packaging drive frame (402) is slidably installed on the output shaft of the electric telescopic rod (401).

9. An auxiliary device for product packaging according to claim 8, characterized in that, The packaging drive unit (400) further includes: a circular limiting ring b (403) and a circular limiting ring c (404); the circular limiting ring b (403) is fixedly installed on the output shaft of the electric telescopic rod (401), and the circular limiting ring b (403) is also in contact with the packaging drive frame (402); the circular limiting ring c (404) is fixedly installed on the output shaft of the electric telescopic rod (401).

10. An auxiliary device for product packaging according to claim 9, characterized in that, The packaging drive unit (400) further includes: a control switch (405) and a helical spring b (406); the control switch (405) is fixedly installed on the output shaft of the electric telescopic rod (401), and the control switch (405) is electrically connected to the control panel (500); the helical spring b (406) is sleeved on the output shaft of the electric telescopic rod (401), and the helical spring b (406) is located between the packaging drive frame (402) and the circular limit ring c (404).