Belt type buffer mechanism for packaging production line

Abstract

The utility model provides a belt type buffer mechanism for a packaging production line, which comprises a support frame, and further comprises a belt type buffer structure arranged above the support frame; and the reversing structure is arranged above the belt type buffer structure. The two ends of the driven shaft are driven to synchronously move by rotating the rotating disc, the driven shaft drives the belt to be tensioned, the two ends of the driven shaft can be conveniently and synchronously adjusted, the two ends of the driven shaft are made to move in pace, and therefore it is well guaranteed that the tensioning degree of the two belts is adjusted to be consistent; and by means of the locking hoop, the situation that the belt is loosened again due to the fact that the tensioning adjusting structure moves is conveniently and well avoided.

Description

Technical Field

[0001] This utility model relates to the field of packaging production line technology, and in particular to a belt buffer mechanism for use in packaging production lines. Background Technology

[0002] A packaging production line is a general term for a system. Most manufacturers have their own packaging production line, which typically consists of several different packaging machines and conveyor belts. Products in production or already processed are transported to the packaging line for packaging. After packaging, they are shipped out as complete, easily transportable products. In food packaging production lines, to address the problem of frequent material damage from impacts, a belt-type buffer mechanism is designed at the end of the line. Materials pass through this buffer zone, reducing the conveyor speed without affecting the production cycle. This solves the problem of manual labor not keeping up with the production line speed, and the issue of materials piling up and falling to the ground, damaging the packaging boxes.

[0003] In typical belt-type cushioning structures, the belt undergoes plastic deformation and wear after prolonged operation, leading to belt loosening. This reduces friction between the belt and pulleys, causing slippage and lowering transmission efficiency. Therefore, effectively adjusting belt tension is a crucial issue that needs to be addressed in the design of belt-type cushioning mechanisms used in packaging production lines. Utility Model Content

[0004] This invention provides a belt-type buffer mechanism for packaging production lines to solve the problem of belt slippage and reduced transmission efficiency caused by belt slack.

[0005] This utility model solves the above-mentioned technical problems through the following technical solutions:

[0006] This utility model provides a belt-type buffer mechanism for a packaging production line, including a support frame, and further comprising:

[0007] A belt-type buffer structure is disposed above the support frame;

[0008] A reversing structure is disposed above the belt buffer structure;

[0009] The tension adjustment structure is located at one end of the belt buffer structure and adjusts the tension of the belt buffer structure.

[0010] A locking structure is provided on the tension adjustment structure;

[0011] A drive structure is disposed on one side of the support frame.

[0012] Preferably, the top sidewall of the support frame is fixedly connected to the mounting base plate by fixing screws, and snap-fit ​​sleeves are fixedly connected at equal intervals on the sidewall of the mounting base plate. Two bearing seat support plates are fixedly connected to the sidewalls on both sides of the support frame.

[0013] In this technical solution, the bearing housing support plate supports the bearing housing.

[0014] Preferably, the reversing structure includes a material left reversing bar, a fixing block, a material right reversing bar, and a snap-fit ​​block. Fixing blocks are fixedly connected at equal intervals on the side walls of the material left and material right reversing bars. A snap-fit ​​block is fixedly connected on the bottom side wall of the fixing block. The snap-fit ​​block and the snap-fit ​​sleeve cooperate with each other.

[0015] In this technical solution, the left and right reversing bars of the material work together to guide the material in a reversing direction. Regardless of which belt the material is on when it enters, it can be moved to the belt closer to the left reversing bar, so that the material is output along the edge of the left reversing bar, thereby realizing the reversing of the material.

[0016] Preferably, the tension adjustment structure includes a tensioning plate, four fixing screws, a tensioning block, a fixing plate, a sliding rod, a mounting plate, and five fixing screws. The mounting plate is fixedly connected to the side walls on both sides of the support frame by the five fixing screws. A sliding rod is slidably connected inside the mounting plate. The other end of the sliding rod is fixedly connected to the fixing plate. A tensioning plate is fixedly connected to the side wall of the fixing plate. The tensioning plate is fixedly connected to the tensioning block by the four fixing screws.

[0017] The movement of the tensioning plate causes the tensioning block and the fixing plate to move synchronously. The fixing plate then drives the sliding rod to move, and the sliding rod slides within the mounting plate.

[0018] Preferably, the tension adjustment structure includes a fixed frame, a threaded rod, a connecting rod, a rotating block, and a rotating disk. The fixed frame is fixedly connected to the bottom side wall of the tensioning plate. The rotating block is rotatably connected to the side wall of the fixed frame. The threaded rod is fixedly connected to the side wall of one side of the rotating block. The connecting rod is fixedly connected to the threaded rod. The connecting rod has anti-slip grooves on its side wall. The threads on the threaded rods on both sides of the connecting rod are opposite to each other. The rotating disk is fixedly connected to the side wall of the other end of the rotating block.

[0019] In this technical solution, rotating the rotating disk drives the rotating block to rotate, the rotating block drives the threaded rod to rotate, and the threaded rod drives the threaded rod on the other side to rotate through the connecting rod, so that the two threaded rods rotate synchronously.

[0020] Preferably, the tension adjustment structure includes a movable frame, a support rod, and a mounting frame. The movable frame is threadedly connected to the threaded rod, one end of the support rod is rotatably connected to the side wall of the movable frame, the other end of the support rod is rotatably connected to the mounting frame, and the mounting frame is fixedly connected to the side wall of the support frame.

[0021] In this technical solution, the two threaded rods rotate synchronously, causing the movable frame to move closer to each other. The movable frame causes the support rod to rotate, and the rotation of the support rod pushes the threaded rod away from the support frame. The threaded rod causes the fixed frame to move, and the fixed frame causes the two tensioning plates to move synchronously.

[0022] Preferably, the locking structure includes a fixing rod, a connecting block, a locking clamp, six fixing screws, and a fixing nut. The fixing rod is fixedly connected between the fixing frames. The connecting block is fixedly connected to the side wall of the fixing rod. The locking clamp is fixedly connected to the bottom of the connecting block. The locking clamp is sleeved on the connecting rod. Six fixing screws are threadedly connected to the side wall of the locking clamp. A fixing nut is threadedly connected to the six fixing screws.

[0023] In this technical solution, tightening the fixing nut moves the fixing screw six, causing the two ends of the locking clamp to come closer to each other, thereby tightly locking the locking clamp onto the connecting rod and restricting the rotation of the connecting rod. The anti-slip grooves on the connecting rod can further increase the resistance to the rotation of the connecting rod, thereby further restricting the rotation of the connecting rod, thus better preventing the tension adjustment structure from moving and causing the belt to loosen again.

[0024] Preferably, the belt-type buffer structure includes an input shaft, a driving pulley, a bearing housing, a first bearing, a second fixing screw, and a driven bevel gear. The bearing housing is fixedly connected to the bearing housing support plate by the second fixing screw. The first bearing is fixedly connected inside the bearing housing. Both ends of the input shaft are fixedly connected to the inner ring of the first bearing. Two driving pulleys are fixedly connected to the side wall of the input shaft. One end of the input shaft extends out of the bearing housing and is fixedly connected to the driven bevel gear.

[0025] Preferably, the belt-type buffer structure includes a belt, a driven pulley, a driven shaft, bearings, and bushings. The two ends of the driven shaft are fixedly connected to tensioning blocks. Two bearings are fixedly connected to the side wall of the driven shaft. Driven pulleys are fixedly connected to the outer ring side walls of the two bearings. Two belts are sleeved between the driven pulleys and the driving pulley. The bushings are fixedly connected to the side wall of the driven shaft and are located on both sides of the bearings.

[0026] In this technical solution, the driven bevel gear drives the input shaft to rotate, the input shaft drives two driving pulleys to rotate, and the driving pulleys drive the driven pulleys to rotate via belts. During the rotation, the belts move the material to the right.

[0027] Preferably, the drive structure includes a motor support base, a motor anti-rotation mounting plate, a motor, and a drive bevel gear. The motor support base is fixedly connected to the side wall of the support frame. The motor anti-rotation mounting plate is fixedly connected to the top side wall of the motor support base. The motor is fixedly connected to the side wall of the motor anti-rotation mounting plate. The drive bevel gear is fixedly connected to the rotating end of the motor. The drive bevel gear and the driven bevel gear mesh with each other.

[0028] In this technical solution, the rotation of the motor drives the rotation of the driving bevel gear, which in turn drives the rotation of the driven bevel gear.

[0029] Based on common knowledge in the field, the above-mentioned preferred conditions can be combined arbitrarily to obtain various preferred embodiments of this utility model.

[0030] The positive and progressive effects of this utility model are as follows:

[0031] 1. By rotating the rotating disc, the rotating disc drives the rotating block to rotate, the rotating block drives the threaded rod to rotate, the threaded rod drives the moving frame to move closer to each other, the moving frame drives the support rod to rotate, the support rod rotates and pushes the threaded rod away from the support frame, the threaded rod drives the fixed frame to move, the fixed frame drives the two ends of the driven shaft to move synchronously, the driven shaft drives the driven pulley to move, the driven pulley pulls the two belts synchronously, and the belts are tensioned, which facilitates better synchronous adjustment of the two ends of the driven shaft, so that the two ends of the driven shaft move in the same pace, thereby better ensuring that the tension of the two belts is adjusted consistently.

[0032] 2. By tightening the fixing nut, the fixing nut moves on the fixing screw, causing the two ends of the locking clamp to come closer to each other, thereby tightly locking the locking clamp onto the connecting rod and restricting the rotation of the connecting rod. The anti-slip grooves on the connecting rod can further increase the resistance to the rotation of the connecting rod, thereby further restricting the rotation of the connecting rod and making it easier to avoid the tension adjustment structure from moving, which would cause the belt to loosen again. Attached Figure Description

[0033] Figure 1 This is a schematic diagram of the overall three-dimensional structure of this utility model.

[0034] Figure 2 This is a schematic diagram of the overall internal structure of this utility model.

[0035] Figure 3 This is a three-dimensional structural diagram of the tension adjustment structure of this utility model.

[0036] Figure 4 This is a three-dimensional structural diagram of the locking structure of this utility model.

[0037] Figure 5 This is a three-dimensional structural diagram of the overall reversing structure of this utility model.

[0038] Figure 6 The whole of this utility model Figure 1 A magnified schematic diagram of the structure at point A.

[0039] Figure 7 The whole of this utility model Figure 1 A magnified schematic diagram of the structure at point B.

[0040] Explanation of reference numerals in the attached figures

[0041] 1. Support frame; 2. Mounting base plate; 3. Fixing screw one; 4. Snap-fit ​​sleeve; 5. Reversing structure; 501. Material left reversing bar; 502. Fixing block; 503. Material right reversing bar; 504. Snap-fit ​​block; 6. Bearing seat support plate; 7. Belt buffer structure; 701. Input shaft; 702. Drive pulley; 703. Bearing seat; 704. Bearing one; 705. Fixing screw two; 706. Driven bevel gear; 711. Belt; 712. Driven pulley; 713. Driven shaft; 714. Bearing two; 715. Bushing; 8. Drive structure; 801. Motor support seat; 802. Motor anti-rotation mounting plate; 803. Motor; 80 4. Drive bevel gear; 9. Fixing screw three; 10. Tension adjustment structure; 1001. Tensioning plate; 1002. Fixing screw four; 1003. Tensioning block; 1004. Fixing plate; 1005. Sliding rod; 1006. Mounting plate; 1007. Fixing screw five; 1011. Fixing frame; 1012. Threaded rod; 1013. Connecting rod; 1014. Rotating block; 1015. Rotating disk; 1021. Moving frame; 1022. Support rod; 1023. Mounting frame; 11. Locking structure; 1101. Fixing rod; 1102. Connecting block; 1103. Locking clamp; 1104. Fixing screw six; 1105. Fixing nut. Detailed Implementation

[0042] The present invention will be further illustrated by way of embodiments below, but the present invention is not limited to the scope of the embodiments described herein.

[0043] like Figure 1-7 As shown, the belt-type buffer mechanism for a packaging production line includes a support frame 1, and also includes:

[0044] A belt-type buffer structure 7 is disposed above the support frame 1;

[0045] A reversing structure 5 is disposed above the belt buffer structure 7;

[0046] Tension adjustment structure 10 is disposed at one end of the belt buffer structure 7, and the tension adjustment structure 10 adjusts the tension of the belt buffer structure 7.

[0047] Locking structure 11, wherein the locking structure 11 is disposed on tension adjustment structure 10;

[0048] The drive structure 8 is disposed on one side of the support frame 1.

[0049] The top sidewall of the support frame 1 is fixedly connected to the mounting base plate 2 by fixing screws 3. The mounting base plate 2 is fixedly connected at equal intervals to the sidewall of the mounting base plate 2. Two bearing seat support plates 6 are fixedly connected to the sidewalls on both sides of the support frame 1.

[0050] The bearing housing support plate 6 supports the bearing housing 703.

[0051] The reversing structure 5 includes a material left reversing bar 501, a fixing block 502, a material right reversing bar 503, and a snap-fit ​​block 504. The fixing blocks 502 are fixedly connected at equal intervals on the side walls of the material left reversing bar 501 and the material right reversing bar 503. The snap-fit ​​block 504 is fixedly connected on the bottom side wall of the fixing block 502. The snap-fit ​​block 504 and the snap-fit ​​sleeve 4 cooperate with each other.

[0052] The left-side reversing bar 501 and the right-side reversing bar 503 work together to guide the material in a reversing direction. Regardless of which belt 711 the material is on when it enters, the material can be moved to the belt 711 closer to the left-side reversing bar 501, so that the material is output along the edge of the left-side reversing bar 501, thereby realizing the reversing of the material.

[0053] The tension adjustment structure 10 includes a tension plate 1001, four fixing screws 1002, a tension block 1003, a fixing plate 1004, a sliding rod 1005, a mounting plate 1006, and five fixing screws 1007. The mounting plate 1006 is fixedly connected to the side walls on both sides of the support frame 1 by the five fixing screws 1007. The sliding rod 1005 is slidably connected inside the mounting plate 1006. The other end of the sliding rod 1005 is fixedly connected to the fixing plate 1004. The tension plate 1001 is fixedly connected to the side wall of the fixing plate 1004. The tension plate 1001 is fixedly connected to the tension block 1003 by the four fixing screws 1002.

[0054] The movement of tension plate 1001 causes tension block 1003 and fixed plate 1004 to move synchronously. Fixed plate 1004 causes sliding rod 1005 to move, and sliding rod 1005 slides within mounting plate 1006.

[0055] The tension adjustment structure 10 includes a fixed frame 1011, a threaded rod 1012, a connecting rod 1013, a rotating block 1014, and a rotating disk 1015. The fixed frame 1011 is fixedly connected to the bottom side wall of the tensioning plate 1001. The rotating block 1014 is rotatably connected to the side wall of the fixed frame 1011. The threaded rod 1012 is fixedly connected to one side wall of the rotating block 1014. The connecting rod 1013 is fixedly connected between the threaded rods 1012. The side wall of the connecting rod 1013 is provided with anti-slip grooves. The threads on the threaded rods 1012 on both sides of the connecting rod 1013 are opposite to each other. The rotating disk 1015 is fixedly connected to the side wall of the other end of the rotating block 1014.

[0056] Rotate the rotating disk 1015, which drives the rotating block 1014 to rotate. The rotating block 1014 drives the threaded rod 1012 to rotate. The threaded rod 1012 drives the threaded rod 1012 on the other side to rotate through the connecting rod 1013. The two threaded rods 1012 rotate synchronously.

[0057] The tension adjustment structure 10 includes a movable frame 1021, a support rod 1022, and a mounting frame 1023. The movable frame 1021 is threadedly connected to the threaded rod 1012. One end of the support rod 1022 is rotatably connected to the side wall of the movable frame 1021. The other end of the support rod 1022 is rotatably connected to the mounting frame 1023. The mounting frame 1023 is fixedly connected to the side wall of the support frame 1.

[0058] The two threaded rods 1012 rotate synchronously, causing the movable frame 1021 to move closer to each other. The movable frame 1021 drives the support rod 1022 to rotate. The rotation of the support rod 1022 pushes the threaded rod 1012 away from the support frame 1. The threaded rod 1012 drives the fixed frame 1011 to move. The fixed frame 1011 drives the two tensioning plates 1001 to move synchronously.

[0059] The locking structure 11 includes a fixing rod 1101, a connecting block 1102, a locking clamp 1103, a fixing screw 1104, and a fixing nut 1105. The fixing rod 1101 is fixedly connected between the fixing frames 1011. The connecting block 1102 is fixedly connected to the side wall of the fixing rod 1101. The locking clamp 1103 is fixedly connected to the bottom of the connecting block 1102. The locking clamp 1103 is sleeved on the connecting rod 1013. The fixing screw 1104 is threadedly connected to the side wall of the locking clamp 1103. The fixing nut 1105 is threadedly connected to the fixing screw 1104.

[0060] Tighten the fixing nut 1105, and the fixing nut 1105 moves on the fixing screw 1104, so that the two ends of the locking clamp come closer to each other, thereby making the locking clamp tightly locked on the connecting rod 1013, restricting the rotation of the connecting rod 1013. The anti-slip groove on the connecting rod 1013 can further increase the resistance to the rotation of the connecting rod 1013, thereby further restricting the rotation of the connecting rod 1013, thus better preventing the tension adjustment structure 10 from moving and causing the belt 711 to loosen again.

[0061] The belt-type buffer structure 7 includes an input shaft 701, a drive pulley 702, a bearing housing 703, a first bearing 704, a second fixing screw 705, and a driven bevel gear 706. The bearing housing 703 is fixedly connected to the bearing housing support plate 6 by the second fixing screw 705. The first bearing 704 is fixedly connected inside the bearing housing 703. Both ends of the input shaft 701 are fixedly connected to the inner ring of the first bearing 704. Two drive pulleys 702 are fixedly connected to the side wall of the input shaft 701. One end of the input shaft 701 extends out of the bearing housing 703 and is fixedly connected to the driven bevel gear 706.

[0062] The belt-type buffer structure 7 includes a belt 711, a driven pulley 712, a driven shaft 713, a second bearing 714, and a bushing 715. The two ends of the driven shaft 713 are fixedly connected to the tensioning block 1003. Two second bearings 714 are fixedly connected to the side wall of the driven shaft 713. The driven pulley 712 is fixedly connected to the outer ring side wall of the two second bearings 714. Two belts 711 are sleeved between the driven pulley 712 and the driving pulley 702. The bushing 715 is fixedly connected to the side wall of the driven shaft 713 and is located on both sides of the second bearing 714.

[0063] Driven bevel gear 706 drives input shaft 701 to rotate, input shaft 701 drives two drive pulleys 702 to rotate, drive pulleys 702 drive driven pulleys 712 to rotate via belt 711, belt 711 drives material to move to the right end during rotation.

[0064] The drive structure 8 includes a motor support base 801, a motor anti-rotation mounting plate 802, a motor 803, and a drive bevel gear 804. The motor support base 801 is fixedly connected to the side wall of the support frame 1. The motor anti-rotation mounting plate 802 is fixedly connected to the top side wall of the motor support base 801. The motor 803 is fixedly connected to the side wall of the motor anti-rotation mounting plate 802. The rotating end of the motor 803 is fixedly connected to the drive bevel gear 804. The drive bevel gear 804 and the driven bevel gear 706 mesh with each other.

[0065] The rotation of motor 803 drives the rotation of the driving bevel gear 804, which in turn drives the rotation of the driven bevel gear 706.

[0066] In use, all electrical components mentioned in this application are externally connected to a power supply and control switch. When transporting materials, the material enters the left end of the reversing structure 5. The motor 803 rotates, driving the active bevel gear 804 to rotate. The active bevel gear 804 drives the driven bevel gear 706 to rotate. The driven bevel gear 706 drives the input shaft 701 to rotate. The input shaft 701 drives the two active pulleys 702 to rotate. The active pulleys 702 drive the driven pulleys 712 to rotate via the belt 711. During the rotation of the belt 711, the material moves to the right end. The reversing bar 501 on the left side of the material and the reversing bar 503 on the right side of the material cooperate to guide the material to change direction. Regardless of which belt 711 the material is on when it enters, the material can be moved to the belt 711 closer to the reversing bar 501 on the left side of the material, so that the material is output along the edge of the reversing bar 501 on the left side of the material, thereby realizing the reversal of the material.

[0067] When belt 711 becomes slack and needs to be tightened, rotating disc 1015 is rotated. Disc 1015 drives rotating block 1014 to rotate, which in turn drives threaded rod 1012 to rotate. Threaded rod 1012, through connecting rod 1013, drives another threaded rod 1012 to rotate. The two threaded rods 1012 rotate synchronously, causing moving frame 1021 to move closer together. Moving frame 1021 drives support rod 1022 to rotate, and the rotation of support rod 1022 pushes threaded rod 1012 away from support frame 1. Threaded rod 1012 then drives the fixed... The fixed frame 1011 moves, which drives the two tension plates 1001 to move synchronously. The tension plates 1001 drive the tension blocks 1003 to move, and the tension blocks 1003 drive the two ends of the driven shaft 713 to move synchronously. The driven shaft 713 drives the driven pulley 712 to move, and the driven pulley 712 pulls the two belts 711 synchronously to tension the belts 711. This facilitates better synchronous adjustment of the two ends of the driven shaft 713, making the movement of the two ends of the driven shaft 713 consistent, thereby ensuring that the tension of the two belts 711 is consistent.

[0068] After the tension is adjusted, tighten the fixing nut 1105. The fixing nut 1105 moves on the fixing screw 1104, causing the two ends of the locking clamp to come closer to each other, thus making the locking clamp tightly locked on the connecting rod 1013, restricting the rotation of the connecting rod 1013. The anti-slip groove on the connecting rod 1013 can further increase the resistance to the rotation of the connecting rod 1013, thereby further restricting the rotation of the connecting rod 1013, thus better preventing the tension adjustment structure 10 from moving and causing the belt 711 to loosen again.

[0069] This utility model is not limited to the above-described embodiments. Any changes in its shape or structure fall within the protection scope of this utility model. The protection scope of this utility model is defined by the appended claims. Those skilled in the art can make various changes or modifications to these embodiments without departing from the principles and essence of this utility model, but all such changes and modifications fall within the protection scope of this utility model.

Claims

1. A belt-type buffer mechanism for a packaging production line, comprising a support frame (1), characterized in that, Also includes: A belt-type buffer structure (7) is disposed above the support frame (1); A reversing structure (5) is disposed above the belt buffer structure (7); Tension adjustment structure (10) is provided at one end of the belt buffer structure (7) and the tension adjustment structure (10) adjusts the tension of the belt buffer structure (7); A locking structure (11) is provided on the tension adjustment structure (10); A drive structure (8) is disposed on one side of the support frame (1).

2. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The top sidewall of the support frame (1) is fixedly connected to the mounting base plate (2) by fixing screws (3). The mounting base plate (2) is fixedly connected at equal intervals to the sidewall of the mounting base plate (2). Two bearing seat support plates (6) are fixedly connected to the sidewalls on both sides of the support frame (1).

3. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The reversing structure (5) includes a material left reversing bar (501), a fixing block (502), a material right reversing bar (503), and a snap-fit ​​block (504). The material left reversing bar (501) and the material right reversing bar (503) are fixedly connected at equal intervals on their side walls. The bottom side wall of the fixing block (502) is fixedly connected to the snap-fit ​​block (504). The snap-fit ​​block (504) and the snap-fit ​​sleeve (4) cooperate with each other.

4. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The tension adjustment structure (10) includes a tension plate (1001), four fixing screws (1002), a tension block (1003), a fixing plate (1004), a sliding rod (1005), a mounting plate (1006), and five fixing screws (1007). The mounting plate (1006) is fixedly connected to the side walls on both sides of the support frame (1) by the five fixing screws (1007). The sliding rod (1005) is slidably connected inside the mounting plate (1006). The other end of the sliding rod (1005) is fixedly connected to the fixing plate (1004). The tension plate (1001) is fixedly connected to the side wall of the fixing plate (1004). The tension plate (1001) is fixedly connected to the tension block (1003) by the four fixing screws (1002).

5. The belt-type buffer mechanism for a packaging production line as described in claim 4, characterized in that: The tension adjustment structure (10) includes a fixed frame (1011), a threaded rod (1012), a connecting rod (1013), a rotating block (1014), and a rotating disk (1015). The fixed frame (1011) is fixedly connected to the bottom side wall of the tensioning plate (1001). The rotating block (1014) is rotatably connected to the side wall of the fixed frame (1011). The threaded rod (1012) is fixedly connected to one side wall of the rotating block (1014). The connecting rod (1013) is fixedly connected between the threaded rods (1012). The connecting rod (1013) has anti-slip grooves on its side wall. The threads on the threaded rods (1012) on both sides of the connecting rod (1013) are opposite to each other. The rotating disk (1015) is fixedly connected to the side wall of the other end of the rotating block (1014).

6. The belt-type buffer mechanism for a packaging production line as described in claim 5, characterized in that: The tension adjustment structure (10) includes a movable frame (1021), a support rod (1022), and a mounting frame (1023). The movable frame (1021) is threadedly connected to the threaded rod (1012). One end of the support rod (1022) is rotatably connected to the side wall of the movable frame (1021). The other end of the support rod (1022) is rotatably connected to the mounting frame (1023). The mounting frame (1023) is fixedly connected to the side wall of the support frame (1).

7. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The locking structure (11) includes a fixing rod (1101), a connecting block (1102), a locking clamp (1103), six fixing screws (1104), and a fixing nut (1105). The fixing rod (1101) is fixedly connected between the fixing brackets (1011). The connecting block (1102) is fixedly connected to the side wall of the fixing rod (1101). The locking clamp (1103) is fixedly connected to the bottom of the connecting block (1102). The locking clamp (1103) is sleeved on the connecting rod (1013). Six fixing screws (1104) are threadedly connected to the side wall of the locking clamp (1103). A fixing nut (1105) is threadedly connected to the six fixing screws (1104).

8. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The belt-type buffer structure (7) includes an input shaft (701), a drive pulley (702), a bearing housing (703), a bearing (704), a fixing screw (705), and a driven bevel gear (706). The bearing housing (703) is fixedly connected to the bearing housing support plate (6) by the fixing screw (705). The bearing (704) is fixedly connected inside the bearing housing (703). Both ends of the input shaft (701) are fixedly connected to the inner ring of the bearing (704). Two drive pulleys (702) are fixedly connected to the side wall of the input shaft (701). One end of the input shaft (701) extends out of the bearing housing (703) and is fixedly connected to the driven bevel gear (706).

9. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The belt-type buffer structure (7) includes a belt (711), a driven pulley (712), a driven shaft (713), a bearing (714), and a bushing (715). The two ends of the driven shaft (713) are fixedly connected to the tension block (1003). Two bearings (714) are fixedly connected to the side wall of the driven shaft (713). The driven pulley (712) is fixedly connected to the outer ring side wall of the two bearings (714). Two belts (711) are sleeved between the driven pulley (712) and the driving pulley (702). The bushing (715) is fixedly connected to the side wall of the driven shaft (713) and is located on both sides of the bearings (714).

10. The belt-type buffer mechanism for a packaging production line as described in claim 1, characterized in that: The drive structure (8) includes a motor support base (801), a motor anti-rotation mounting plate (802), a motor (803), and a drive bevel gear (804). The motor support base (801) is fixedly connected to the side wall of the support frame (1). The motor anti-rotation mounting plate (802) is fixedly connected to the top side wall of the motor support base (801). The motor (803) is fixedly connected to the side wall of the motor anti-rotation mounting plate (802). The drive bevel gear (804) is fixedly connected to the rotating end of the motor (803). The drive bevel gear (804) and the driven bevel gear (706) mesh with each other.

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