A feeding device for a packaging marking machine

Abstract

This application relates to a feeding device for a packaging scoring machine, belonging to the technical field of pharmaceutical packaging production. It includes a conveyor belt and a pressure plate located on the upper side of the conveyor belt and arranged along the length of the conveyor belt. The distance between the pressure plate and the upper side of the conveyor belt is adapted to the packaging height. The pressure plate is inclined upwards towards the feeding end of the conveyor belt. Limiting plates are provided on both sides of the upper side of the conveyor belt, arranged along the length of the conveyor belt. This application has the effect of reducing the adverse effects on scoring.

Description

Technical Field

[0001] This application relates to the technical field of pharmaceutical packaging production, and in particular to a feeding device for a packaging scoring machine. Background Technology

[0002] When filling oral liquids into packages, multiple packages are arranged in rows, with adjacent packages in the same row connected by a break point. During transportation, the filled rows of oral liquids are placed on a conveyor belt, which then moves them to the next processing step for marking.

[0003] Because the rows of adjacent packages are connected by a break point, the process of placing the rows of oral liquids on the conveyor belt may cause the adjacent packages to arch upwards along the break point in the middle, which may have an adverse effect on the scoring. Utility Model Content

[0004] In order to reduce the adverse effects on the scoring, this application provides a feeding device for a packaging scoring machine.

[0005] The technical solution of the feeding device for a packaging scoring machine provided in this application is as follows:

[0006] A feeding device for a packaging scoring machine includes a conveyor belt and a pressure plate located on the upper side of the conveyor belt and arranged along the length of the conveyor belt. The distance between the pressure plate and the upper side of the conveyor belt is adapted to the packaging height. The pressure plate is inclined upward towards the feeding end of the conveyor belt. Limiting plates are provided on both sides of the upper side of the conveyor belt along the length of the conveyor belt.

[0007] By adopting the above technical solution, rows of filled oral liquid packages are placed on a conveyor belt. At this time, the rows of oral liquid packages are parallel to the length direction of the conveyor belt. As the conveyor belt drives the rows of packages through the lower side of the pressure plate, the upward-arching packages are squeezed to a horizontal position by the lower side of the pressure plate, thereby reducing the adverse effect of the package arching on the scoring. The limiting plate on the upper side of the conveyor belt reduces the possibility of the packages falling off during the conveying process. In addition, the inclination of the pressure plate makes the distance between the pressure plate and the conveyor belt gradually increase towards the feeding end, which facilitates the rows of packages to enter the lower side of the pressure plate and be squeezed, reducing the possibility of the pressure plate blocking the movement of the packages.

[0008] Optionally, each of the limiting plates is provided with a guide plate along the length of the conveyor belt at one end near the feeding side of the conveyor belt, and the guide plate is configured as an arc shape that gradually rises from both ends to the middle and moves closer to each other.

[0009] By adopting the above technical solution, when rows of filled oral liquid packages move under the drive of the conveyor belt, the guide plate is located on both sides of the package and adjusts the position of the package on the conveyor belt until the row of packages is located in the middle of the width direction of the conveyor belt, which facilitates the package to move to the underside of the pressure plate and reduces the possibility of the package shifting during the transmission process.

[0010] Optionally, a fixed frame is provided on the lower side of the conveyor belt, and a mounting frame is provided at the end of the pressure plate away from the guide plate, which can be slidably connected to the fixed frame along its own height direction. An adjusting component for adjusting the height of the pressure plate is provided on the fixed frame, and an adjusting rod with its end abutting against the upper side of the pressure plate is provided on the upper side of the fixed frame near the feeding end of the conveyor belt. A driving component for adjusting the tilt angle of the pressure plate is provided on the fixed frame.

[0011] By adopting the above technical solution, when it is necessary to adjust the distance between the lower side of the pressure plate and the upper side of the conveyor belt, the height of the mounting frame relative to the fixed frame is adjusted by adjusting the adjusting component, thereby coarsely adjusting the height of the pressure plate. At this time, the drive assembly adjusts the tilt angle of the pressure plate by pressing the adjusting rod against the upper side of the pressure plate, thereby finely adjusting the distance between the pressure plate and the conveyor belt. This makes it easy to adjust the height of the pressure plate according to the height of different packages, thus improving applicability.

[0012] Optionally, the drive assembly includes a mounting block sleeved on the end of the adjusting rod away from the pressure plate and slidably connected to the adjusting rod. A first bolt with an end capable of abutting against the side wall of the adjusting rod is inserted into and threaded on one side of the mounting block. The mounting block is provided with a rotating component that drives the adjusting rod to rotate toward or away from the pressure plate.

[0013] By adopting the above technical solution, the first bolt is tightened until the adjusting rod can slide towards or away from the pressure plate, thereby facilitating the adjustment of the position of the mounting block on the adjusting rod. After the adjusting rod is adjusted, it is fixed by tightening the first bolt. At the same time, the distance between the adjusting rod and the pressure plate can be adjusted by rotating the component until the distance between the pressure plate and the conveyor belt is adapted to the packaging, reducing the adverse effect of packaging arching on the scoring and improving applicability.

[0014] Optionally, the rotating component includes a rotating shaft that passes through the mounting block on the side away from the adjusting rod and is rotatably connected to the mounting block. The rotating shaft is located on the upper side of the conveyor belt and is arranged along the width direction of the conveyor belt. A second bolt that can abut against the side wall of the rotating shaft is inserted into and threadedly connected to the side of the mounting block away from the pressure plate.

[0015] By adopting the above technical solution, the second bolt is tightened until the mounting block can rotate, driving the mounting block to drive the adjusting rod to rotate circumferentially around the rotation axis, thereby adjusting the distance between the adjusting rod and the pressure plate until the distance between the lower side of the pressure plate and the conveyor belt is adapted to the packaging, reducing the adverse effect of packaging arching on the scoring and improving applicability.

[0016] Optionally, the mounting bracket has an oblong hole at one end away from the pressure plate, which is arranged along the height direction of the conveyor belt. The adjusting member includes a third bolt disposed on the side of the mounting bracket away from the fixed bracket. The third bolt passes through the oblong hole and is threadedly connected to the fixed bracket.

[0017] By adopting the above technical solution, the third bolt is tightened until the mounting bracket can be moved. At this time, the mounting bracket is driven to slide along the height direction of the fixed bracket, and the third bolt moves in the oblong hole. When the mounting bracket moves to the appropriate position, the third bolt is tightened until the mounting bracket is pressed against the side wall of the fixed bracket, thereby fixing the mounting bracket and facilitating the adjustment of the pressure plate height while maintaining the stability of the pressure plate.

[0018] Optionally, the adjusting component includes a connecting plate fixedly connected to the end of the mounting frame away from the pressure plate and arranged along the length direction of the conveyor belt. The connecting plate is slidably connected to the side wall of the fixed frame along the height direction of the fixed frame, and a lead screw that drives the connecting plate to move is rotatably connected to the fixed frame.

[0019] By adopting the above technical solution, the lead screw is driven to rotate, thereby causing the connecting plate to move the pressure plate in the height direction of the fixed frame through the mounting frame. This facilitates the adjustment of the pressure plate height to suit the packaging and improves work efficiency.

[0020] Optionally, the mounting bracket has a plurality of insertion holes arranged along the height direction of the fixing bracket at one end near the connecting plate. An insertion block that can be inserted into the insertion hole is passed through and slidably connected to the upper side of the fixing bracket near the insertion hole. The insertion block can be fully inserted into the fixing bracket. A spring is provided between the insertion block and the fixing bracket to connect the two. The side of the insertion block near the mounting bracket is set as an arc surface.

[0021] By adopting the above technical solution, when the screw drives the mounting frame to move, the side wall of the mounting frame presses the arc-shaped surface of the plug-in block and drives the plug-in block to fully enter the fixed frame. At this time, the spring is compressed. When the height of the pressure plate on the conveyor belt is adapted to the packaging, the plug-in block is aligned with the corresponding plug-in hole. The spring returns to its deformation and pushes the plug-in block to be inserted into the corresponding plug-in hole. This makes it easier to judge the distance between the pressure plate and the conveyor belt based on the insertion position of the plug-in block, thereby improving work efficiency.

[0022] In summary, this application includes at least one of the following beneficial technical effects:

[0023] 1. As the conveyor belt drives rows of packages through the underside of the pressure plate, the arched packages are squeezed to a horizontal position by the underside of the pressure plate, thereby reducing the adverse effect of the arched packages on the scoring. The limiting plate on the upper side of the conveyor belt reduces the possibility of the packages falling off during the conveying process. In addition, the tilt of the pressure plate makes the distance between the pressure plate and the conveyor belt gradually increase towards the side closer to the loading end, which makes it easier for rows of packages to enter the underside of the pressure plate and be squeezed, reducing the possibility of the pressure plate blocking the movement of the packages.

[0024] 2. When rows of filled oral liquid packages move under the drive of the conveyor belt, the guide plate is located on both sides of the package and adjusts the position of the package on the conveyor belt until the row of packages is located in the middle of the width direction of the conveyor belt, so as to facilitate the package to move to the underside of the pressure plate.

[0025] 3. Adjust the height of the mounting frame relative to the fixed frame by adjusting the adjustment component to coarsely adjust the height of the pressure plate. At this time, the drive assembly adjusts the tilt angle of the pressure plate by pressing the adjustment rod against the upper side of the pressure plate, thereby finely adjusting the distance between the pressure plate and the conveyor belt. This makes it easy to adjust the height of the pressure plate according to the height of different packages and improves applicability. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the overall structure of the feeding device in Embodiment 1 of this application.

[0027] Figure 2 yes Figure 1 Enlarged view of the structure at point A in the middle.

[0028] Figure 3 This is a structural schematic diagram illustrating the positional relationship between the pressure plate and the adjusting rod in Embodiment 1 of this application.

[0029] Figure 4 This is a structural diagram illustrating the positional relationship between the connecting plate and the mounting bracket in Embodiment 2 of this application.

[0030] Figure 5 This is a structural diagram illustrating the positional relationship between the plug-in block and the mounting bracket in Embodiment 2 of this application.

[0031] Explanation of reference numerals in the attached drawings: 1. Conveyor belt; 2. Fixing frame; 21. Limiting plate; 211. Fixing rod; 22. Fixing block; 221. Mounting slot; 222. Fourth bolt; 223. Stabilizing rod; 224. Mounting base; 225. Fifth bolt; 23. Guide plate; 24. Receiving slot; 3. Pressure plate; 31. Mounting frame; 311. Oblong hole; 312. Insertion hole; 32. Adjusting component; 321. Third bolt; 322. 1. Connecting plate; 323. Lead screw; 324. Limit block; 4. Adjusting rod; 5. Drive assembly; 51. Mounting block; 511. First bolt; 52. Rotating component; 521. Rotating shaft; 522. Second bolt; 523. Stabilizing block; 524. Sixth bolt; 525. Support rod; 526. Seventh bolt; 527. Rotating block; 528. Eighth bolt; 529. Ninth bolt; 6. Insertion block; 61. Spring. Detailed Implementation

[0032] The present application will be further described in detail below with reference to the accompanying drawings.

[0033] This application discloses a feeding device for a packaging marking machine. Example

[0034] Reference Figure 1 and Figure 2 A feeding device for a packaging scoring machine includes a horizontal conveyor belt 1 facing the scoring machine and a fixed frame 2 installed on the lower side of the conveyor belt 1. Vertical limiting plates 21 are provided on both sides of the upper side of the conveyor belt 1. Horizontal fixed rods 211 are fixedly connected to the side of the limiting plates 21 that are far apart from each other. Fixed blocks 22 are provided on the fixed rods 211. The same end of the fixed blocks 22 is provided with an installation groove 221. The fixed rods 211 pass through the installation grooves 221 and are slidably connected to the corresponding fixed blocks 22. The end of the fixed blocks 22 near the opening of the installation grooves 221 is provided with a fourth bolt 222 that drives the side walls of the fixed blocks 22 located on both sides of the fixed rods 211 to press the fixed rods 211.

[0035] Vertical stabilizing rods 223 are fixedly connected to the lower side of each fixed block 22. Mounting seats 224 facing the stabilizing rods 223 and with their openings facing away from the fixed frame 2 are fixedly connected to the side walls of each fixed frame 2. Each stabilizing rod 223 passes through the corresponding mounting seat 224 and is slidably connected to the corresponding mounting seat 224. The opening of the mounting seat 224 is provided with fifth bolts 225 that drive the side walls on both sides of the mounting seat 224 to press the stabilizing rods 223. Each limit plate 21 is fixedly connected to a guide plate 23 arranged along the length of the conveyor belt 1 at the end near the feeding end of the conveyor belt 1. Each guide plate 23 is set in an arc shape that gradually rises from both ends to the middle and moves towards each other.

[0036] Reference Figure 1 and Figure 3A pressure plate 3 is provided on the upper side of the conveyor belt 1 along the length of the conveyor belt 1. The distance between the lower side of the pressure plate 3 and the conveyor belt 1 is adapted to the packaging. The end of the pressure plate 3 near the feeding end of the conveyor belt 1 is gradually inclined upward. A mounting bracket 31 is provided on the end of the pressure plate 3 away from the feeding end of the conveyor belt 1. The end of the mounting bracket 31 near the pressure plate 3 is horizontal and fixedly connected to the pressure plate 3. The end of the mounting bracket 31 away from the pressure plate 3 is bent downward to vertical and located on one side of the fixed frame 2. The fixed frame 2 is provided with an adjusting component 32 for adjusting the height of the pressure plate 3 and the upper side of the conveyor belt 1.

[0037] Reference Figure 1 and Figure 3 The mounting bracket 31 has a slotted hole 311 at one vertical end, and the adjusting component 32 includes a third bolt 321 located on the side of the vertical end of the mounting bracket 31 away from the fixed frame 2. The third bolt 321 passes through the slotted hole 311 and is threadedly connected to the fixed frame 2. At this time, the third bolt 321 presses the vertical end of the mounting bracket 31 against the fixed frame 2. The upper side of the pressure plate 3 near the feeding end of the conveyor belt 1 is pressed against an adjusting rod 4 that is inclined downward towards the side closer to the pressure plate 3. The fixed frame 2 is provided with a driving assembly 5 that drives the adjusting rod 4 to move towards or away from the pressure plate 3 and adjusts the tilt angle of the pressure plate 3.

[0038] Rows of filled oral liquid packages are placed on conveyor belt 1, with the packages parallel to the length of conveyor belt 1. As the packages are driven by conveyor belt 1 through the lower side of pressure plate 3, the limiting plate 21 on the upper side of conveyor belt 1 reduces the possibility of the packages falling during the conveying process. The guide plate 23 is located on both sides of the packages and adjusts their position on conveyor belt 1 until the packages are in the middle of the width of conveyor belt 1, making it easier for the packages to move to the lower side of pressure plate 3. The arched packages are squeezed to a horizontal position by the lower side of pressure plate 3.

[0039] When it is necessary to adjust the distance between the lower side of the pressure plate 3 and the upper side of the conveyor belt 1, tighten the third bolt 321 until the mounting bracket 31 can move. At this time, drive the mounting bracket 31 to slide along the height direction of the fixed frame 2. The third bolt 321 moves in the oblong hole 311. When the mounting bracket 31 moves to the appropriate position, tighten the third bolt 321 until the mounting bracket 31 is pressed against the side wall of the fixed frame 2, thereby fixing the mounting bracket 31 and thus coarsely adjusting the height of the pressure plate 3. At this time, the drive assembly 5 adjusts the tilt angle of the pressure plate 3 by pressing the upper side of the pressure plate 3 with the adjusting rod 4, thereby finely adjusting the distance between the pressure plate 3 and the conveyor belt 1. This makes it easy to adjust the height of the pressure plate 3 according to the height of different packages and improves its applicability.

[0040] Tightening the fourth bolt 222 can adjust the distance between the limiting plates 21, and tightening the fifth bolt 225 can adjust the relative position of the fixing rod 211 and the mounting base 224, thereby adjusting the height of the limiting plate 21 on the fixing frame 2 to adapt to different packaging specifications and improve the applicability of the limiting plate 21.

[0041] Reference Figure 3 The drive assembly 5 includes a mounting block 51 sleeved on the end of the adjusting rod 4 away from the pressure plate 3 and slidably connected to the adjusting rod 4. The end of the mounting block 51 near the pressure plate 3 is inserted and threaded with a first bolt 511 whose end can abut against the side wall of the adjusting rod 4. The mounting block 51 fixes the relative position of the adjusting rod 4 and the mounting block 51 by the end of the first bolt 511 abutting against the end of the adjusting rod 4. The fixing frame 2 is provided with a rotating component 52 that drives the mounting block 51 to drive the adjusting rod 4 to rotate in a vertical plane set along the length direction of the conveyor belt 1.

[0042] The rotating component 52 includes a horizontal rotating shaft 521 that passes through the mounting block 51 at one end away from the first bolt 511 and is rotatably connected to the mounting block 51 and is arranged along the width direction of the conveyor belt 1. A second bolt 522 is threaded through and connected to the end of the mounting block 51 away from the first bolt 511, and its end can abut against the side wall of the rotating shaft 521. The mounting block 51 is fixed to the rotating shaft 521 in the direction of abutting against the side wall of the rotating shaft 521 by the second bolt 522.

[0043] Each end of the rotating shaft 521 is fitted with a stabilizing block 523. A sixth bolt 524, which fixes the rotating shaft 521, is threaded through and connected to the end of the stabilizing block 523 closest to the pressure plate 3. The end of the sixth bolt 524 abuts against the side wall of the rotating shaft 521. A support rod 525, arranged vertically, is slidably connected to the end of each stabilizing block 523 furthest from the pressure plate 3. A seventh bolt 526, whose end abuts against the side wall of the support rod 525, is threaded through and connected to the end of the stabilizing block 523 furthest from the pressure plate 3.

[0044] Rotating blocks 527 are provided on both sides of the fixed frame 2. The end of the rotating block 527 near the feeding end of the conveyor belt 1 is provided with an eighth bolt 528 that is threaded to the side wall of the fixed frame 2. The lower end of the support rod 525 passes through the corresponding rotating block 527. The end of the rotating block 527 near the pressure plate 3 is provided with a ninth bolt 529 that abuts against the side wall of the support rod 525.

[0045] Tighten the first bolt 511 until the adjusting rod 4 can slide towards or away from the pressure plate 3, thereby facilitating the adjustment of the position of the mounting block 51 on the adjusting rod 4. After the adjusting rod 4 is adjusted, it is fixed by tightening the first bolt 511. At the same time, the second bolt 522 can be tightened until the mounting block 51 can rotate, driving the mounting block 51 to drive the adjusting rod 4 to rotate circumferentially around the rotating shaft 521, thereby adjusting the distance between the adjusting rod 4 and the pressure plate 3, until the distance between the lower side of the pressure plate 3 and the conveyor belt 1 is adapted to the packaging.

[0046] When adjusting the position of the adjusting rod 4 relative to the mounting block 51 and the tilt angle of the adjusting rod 4 are insufficient to adjust the pressure plate 3, the position of the stabilizing block 523 on the support rod 525 can be adjusted by turning the seventh bolt 526, and the position of the support rod 525 relative to the rotating block 527 can be adjusted by turning the ninth bolt 529, thereby adjusting the height of the adjusting rod 4 on the fixed frame 2. The angle of the rotating block 527 in the vertical direction can be adjusted by turning the eighth bolt 528, thereby adjusting the adjusting rod 4 to move closer to or further away from the pressure plate 3, which facilitates fine adjustment of the distance between the pressure plate 3 and the conveyor belt 1.

[0047] The implementation principle of Example 1 is as follows: rows of filled oral liquid packages are placed on conveyor belt 1. As the rows of packages are driven by conveyor belt 1 through the lower side of pressure plate 3, guide plate 23 is located on both sides of the packages and adjusts the position of the packages on conveyor belt 1. Limiting plate 21 reduces the possibility of the packages falling off during the conveying process until the rows of packages are located in the middle of the width direction of conveyor belt 1, so that the packages can move to the lower side of pressure plate 3. The arched packages are squeezed to the horizontal by the lower side of pressure plate 3. Example

[0048] Reference Figure 4 and Figure 5 The difference between this embodiment and Embodiment 1 is that the adjusting member 32 includes a horizontal connecting plate 322 fixedly connected to the lower side of the vertical end of the mounting bracket 31. A vertical lead screw 323 is rotatably connected to the side of the fixing bracket 2 near the connecting plate 322. The lead screw 323 passes through the connecting plate 322 and is threadedly connected to the connecting plate 322. A limiting block 324 is fixedly connected to the side of the fixing bracket 2 near the mounting bracket 31. The vertical end of the mounting bracket 31 passes through the limiting block 324 and is slidably connected to the limiting block 324 in the vertical direction.

[0049] A plug-in block 6 is provided on the side of the fixing frame 2 near the vertical end of the mounting frame 31, facing the mounting frame 31. The plug-in block 6 is located on the upper side of the fixing frame 2, and the end of the plug-in block 6 near the mounting frame 31 is arc-shaped. A receiving groove 24 adapted to the plug-in block 6 is provided on the side wall of the fixing frame 2. The plug-in block 6 is slidably connected to the fixing frame 2 through the receiving groove 24, and the plug-in block 6 can be completely inserted into the receiving groove 24. A spring 61 is provided in the receiving groove 24, one end of which is fixedly connected to the side wall of the fixing frame 2, and the other end of the spring 61 is fixedly connected to the end of the plug-in block 6.

[0050] The vertical end of the mounting bracket 31 has multiple insertion holes 312 that are evenly distributed in the vertical direction and adapted to the insertion block 6. When the spring 61 is at its original length, the end of the insertion block 6 near the mounting bracket 31 is located outside the fixing bracket 2 and is inserted into the corresponding insertion hole 312.

[0051] The drive screw 323 rotates, causing the connecting plate 322 to move the pressure plate 3 vertically via the mounting bracket 31. This facilitates adjusting the height of the pressure plate 3 to match the packaging. When the screw 323 drives the mounting bracket 31 to move, the side wall of the mounting bracket 31 presses against the arc-shaped surface of the insertion block 6 and drives the insertion block 6 to fully enter the fixed bracket 2. At this time, the spring 61 is compressed. When the height of the pressure plate 3 on the conveyor belt 1 matches the packaging, the insertion block 6 is aligned with the corresponding insertion hole 312. The spring 61 returns to its original shape and pushes the insertion block 6 into the corresponding insertion hole 312, thus facilitating the determination of the distance between the pressure plate 3 and the conveyor belt 1 based on the insertion position of the insertion block 6.

[0052] The implementation principle of Example 2 is as follows: When the lead screw 323 drives the mounting frame 31 to move and adjusts the height of the pressure plate 3, the side wall of the mounting frame 31 presses the arc-shaped surface of the plug-in block 6 and drives the plug-in block 6 to fully enter the fixed frame 2. At this time, the spring 61 is compressed. When the height of the pressure plate 3 on the conveyor belt 1 is adapted to the packaging, the spring 61 restores its deformation and pushes the plug-in block 6 to be inserted into the corresponding plug-in hole 312, so as to facilitate the determination of the distance between the pressure plate 3 and the conveyor belt 1 based on the insertion position of the plug-in block 6.

[0053] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A feeding device for a packaging marking machine, characterized in that: Includes a conveyor belt (1) and a pressure plate (3) located on the upper side of the conveyor belt (1) and arranged along the length of the conveyor belt (1). The distance between the pressure plate (3) and the upper side of the conveyor belt (1) is adapted to the packaging height. The pressure plate (3) is inclined upward towards the side closer to the feeding end of the conveyor belt (1). Limiting plates (21) arranged along the length of the conveyor belt (1) are provided on both sides of the upper side of the conveyor belt (1).

2. The feeding device for a packaging scoring machine according to claim 1, characterized in that: The limiting plate (21) is provided with a guide plate (23) at one end near the feeding side of the conveyor belt (1) along the length direction of the conveyor belt (1). The guide plate (23) is configured as an arc shape that gradually rises from both ends to the middle towards each other.

3. The feeding device for a packaging scoring machine according to claim 2, characterized in that: The conveyor belt (1) is provided with a fixed frame (2) on its lower side. The pressure plate (3) is provided with a mounting frame (31) that can slide along its own height direction and connect with the fixed frame (2) at one end away from the guide plate (23). The fixed frame (2) is provided with an adjusting component (32) for adjusting the height of the pressure plate (3). The upper side of the fixed frame (2) near the feeding end of the conveyor belt (1) is provided with an adjusting rod (4) whose end abuts against the upper side of the pressure plate (3). The fixed frame (2) is provided with a driving component (5) for adjusting the tilt angle of the pressure plate (3).

4. The feeding device for a packaging scoring machine according to claim 3, characterized in that: The drive assembly (5) includes a mounting block (51) sleeved on the end of the adjusting rod (4) away from the pressure plate (3) and slidably connected to the adjusting rod (4). A first bolt (511) with its end capable of abutting against the side wall of the adjusting rod (4) is inserted into and threaded on one side of the mounting block (51). The mounting block (51) is provided with a rotating component (52) that drives the adjusting rod (4) to rotate toward or away from the pressure plate (3).

5. The feeding device for a packaging scoring machine according to claim 4, characterized in that: The rotating component (52) includes a rotating shaft (521) that passes through the mounting block (51) on the side away from the adjusting rod (4) and is rotatably connected to the mounting block (51). The rotating shaft (521) is located on the upper side of the conveyor belt (1) and is arranged along the width direction of the conveyor belt (1). The mounting block (51) on the side away from the pressure plate (3) is inserted and threaded with a second bolt (522) that can abut against the side wall of the rotating shaft (521).

6. The feeding device for a packaging scoring machine according to claim 5, characterized in that: The mounting bracket (31) has a waist-shaped hole (311) at one end away from the pressure plate (3) along the height direction of the conveyor belt (1). The adjusting member (32) includes a third bolt (321) on the side of the mounting bracket (31) away from the fixed frame (2). The third bolt (321) passes through the waist-shaped hole (311) and is threadedly connected to the fixed frame (2).

7. The feeding device for a packaging scoring machine according to claim 5, characterized in that: The adjusting component (32) includes a connecting plate (322) fixedly connected to the end of the mounting frame (31) away from the pressure plate (3) and arranged along the length direction of the conveyor belt (1). The connecting plate (322) is slidably connected to the side wall of the fixed frame (2) along the height direction of the fixed frame (2). A lead screw (323) for driving the connecting plate (322) to move is rotatably connected to the fixed frame (2).

8. The feeding device for a packaging scoring machine according to claim 7, characterized in that: The mounting bracket (31) has a plurality of insertion holes (312) arranged along the height direction of the fixing bracket (2) at one end near the connecting plate (322). The fixing bracket (2) has an insertion block (6) that can be inserted into the insertion hole (312) on its upper side near the insertion hole (312). The insertion block (6) can be fully inserted into the fixing bracket (2). A spring (61) connecting the insertion block (6) and the fixing bracket (2) is provided. The side of the insertion block (6) near the mounting bracket (31) is set as an arc surface.

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