A baling machine welding assembly and baling machine
By adjusting the clamping seat structure and limit block design of the welding assembly of the strapping machine, the downward pressure of the operator's buttons has been optimized, solving the problem of laborious operation of existing strapping machines and achieving a more labor-saving operating experience.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU JIKE TRANSMISSION EQUIP CO LTD
- Filing Date
- 2025-09-15
- Publication Date
- 2026-07-24
AI Technical Summary
The design of the contact points of the button pressure plate and welding components in existing packaging machines is unreasonable, which requires the operator to apply a large amount of downward pressure, which is especially inconvenient for operators with less strength.
Design a welding assembly for a packing machine. By adjusting the rotation point and pressure point of the clamping seat, the length of the lower pressure arm is made greater than the length of the rotating power arm. A limit block is set on the clamping seat to prevent the locking nut from rotating, thus optimizing the operator's button pressing requirements.
It reduces the downward pressure required for the operator to press the button, making it more effortless and easier for the operator to use.
Smart Images

Figure CN224546420U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of packaging machine technology, specifically to a packaging machine welding component and a packaging machine. Background Technology
[0002] Packing machines, also known as strapping machines or bundling machines, are portable and highly efficient. They are easy to carry and are widely used in various industries for packing and bundling goods of all sizes. When packing goods, the goods are usually placed in a packing box, and the packing box is tied with packing straps. The packing machine tightens the packing straps and cuts off the excess, then welds the cut ends together.
[0003] In existing packaging machines on the market, the contact points of the button pressure plate and the welding components are not usually specially designed. This results in the contact points being close to the rotation point of the welding components. The length of the downward pressure arm is shorter than the length of the rotation power arm, and the operator has to apply more force when pressing the button, which is more strenuous for operators with less strength. Utility Model Content
[0004] The present invention aims to provide a welding component for a packaging machine and a packaging machine that is more labor-saving and easier for operators to use.
[0005] To achieve the above objectives, the present invention provides a welding assembly for a packaging machine, comprising a clamping seat, a support shaft, an elastic element, and welding upper teeth. The clamping seat rotates around a rotation point, and the support shaft is fixedly installed in the clamping seat. The elastic element is fitted onto the outer side of the support shaft and is installed in a compressed state within the clamping seat. The welding upper teeth are located below the clamping seat, and the support shaft abuts against the welding upper teeth. When pressure is applied to the clamping seat, the clamping seat rotates around the rotation point, and the support shaft applies pressure to the welding upper teeth, causing the welding upper teeth to move. The distance from the rotation point of the clamping seat to the pressure point is defined as the lower pressure arm, and the distance from the rotation point of the clamping seat to the pressure point of the welding upper teeth is defined as the rotational power arm. The length of the lower pressure arm is greater than the length of the rotational power arm.
[0006] In a preferred embodiment of the present invention, the clamping seat includes a main body and a first ear, the first ear is provided on one side of the main body, and the clamping seat rotates about the first ear as the rotation point.
[0007] In a preferred embodiment of the present invention, the welding assembly further includes a pin and a roller, the clamping seat further includes a second ear, the second ear is provided on the other side of the main body, the pin is installed in the second ear, the roller is fitted on the pin, and the roller is a pressure point.
[0008] In a preferred embodiment of the present invention, the clamping seat further includes a first step, which is disposed at the upper end of the main body, the threaded end of the support shaft protrudes through the first step, and the elastic element abuts between the first step and the cap end of the support shaft.
[0009] In a preferred embodiment of the present invention, the clamping seat further includes a limiting block disposed on the first step; the welding assembly further includes a locking nut fitted on the threaded end of the support shaft, the limiting block abutting against the locking nut to restrict the locking nut from rotating with the support shaft.
[0010] In a preferred embodiment of the present invention, the welding assembly further includes a lower welding tooth and a cutting unit, wherein the lower welding tooth is installed below the upper welding tooth, and the cutting unit is installed on the upper welding tooth.
[0011] This utility model also provides a packing machine, including a packing machine welding component of any one of the above.
[0012] In a preferred embodiment of the present invention, the packaging machine further includes an operating component and a driving component. The operating component abuts against the roller, and the driving component is connected to the welding upper teeth. The driving component drives the welding upper teeth to perform friction welding.
[0013] In a preferred embodiment of this utility model, the operating component includes a button, a pressure plate, a rotating shaft, and a micro switch. The button and the pressure plate are fixedly connected. The pressure plate is fitted onto the rotating shaft and abuts against the roller. Rotation of the pressure plate triggers the micro switch.
[0014] In a preferred embodiment of the present invention, the packing machine further includes a handle, a transmission component, and a tensioning component. The handle is connected to the transmission component, and the transmission component is connected to the tensioning component. Rotating the handle drives the transmission component and the tensioning component to move.
[0015] This utility model provides a baling machine welding assembly and baling machine. By changing the contact point position between the pressure plate and the welding assembly, the length of the lower pressure arm L1 is made greater than the length of the rotation power arm L2, reducing the downward pressure required by the operator to press the button and making it more labor-saving. Furthermore, a limit block is set on the clamping seat, which abuts against the locking nut, effectively preventing the locking nut from rotating when the support shaft is turned. This utility model provides a baling machine welding assembly and baling machine that reduces the downward pressure required to press the button, making it more labor-saving and easier for the operator to use.
[0016] To make the above-mentioned features and advantages of the utility model more apparent and understandable, specific embodiments are described below, and detailed descriptions are provided in conjunction with the accompanying drawings. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the packaging machine structure of this utility model.
[0018] Figure 2 This is a schematic diagram of the welding assembly and operating assembly of this utility model.
[0019] Figure 3 This is a front view of the welding assembly and operating assembly of this utility model.
[0020] Figure 4 This is a schematic diagram of the internal structure of the transmission component of this utility model.
[0021] Figure 5 This is a schematic diagram of the internal structure of the tensioning component of this utility model.
[0022] 1-Packaging machine; 11-Mounting base; 12-Mounting block; 13-Welding assembly; 131-Pressure seat; 1311-Main body; 1312-First ear; 1313-Second ear; 1314-First step; 1315-Second step; 1316-Limiting block; 132-Support shaft; 133-Elastic element; 134-Locking nut; 135-Pin; 136-Roller; 137-Welding upper tooth; 138-Welding... 139-Cutter unit; 14-Operating component; 141-Rotating shaft; 142-Button; 143-Pressure plate; 144-Micro switch; 15-Drive component; 16-Handle; 17-Transmission component; 171-Drive component; 172-Reduction gearbox; 173-Worm gear mechanism; 174-Mounting box; 18-Tensioning component; 181-Hinge shaft; 182-End cover; 183-Tensioning wheel; 184-Gear plate.
[0023] In the accompanying drawings, similar reference numerals refer to the same elements. Detailed Implementation
[0024] To make the objectives and technical solutions of the present utility model embodiments clearer, the following will be described in conjunction with the accompanying drawings of the present utility model embodiments. Figure 1 - Appendix Figure 5 The technical solutions of the embodiments of this utility model are clearly and completely described herein. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the described embodiments of this utility model without creative effort are within the scope of protection of this utility model.
[0025] like Figure 1 A strapping machine 1 is used to tighten and friction-weld the strapping tape to pack items. The strapping machine 1 includes a mounting base 11 and a mounting block 12, with the mounting block 12 fixedly mounted on the mounting base 11.
[0026] like Figure 1 As shown, the packing machine 1 includes a welding assembly 13, an operating assembly 14, and a driving assembly 15. The welding assembly 13 is mounted on the mounting base 11 and abuts against the operating assembly 14. The operating assembly 14 is rotatably mounted on the mounting block 12. The driving assembly 15 is mounted on the mounting base 11 and connected to the welding assembly 13. The driving assembly 15 drives the welding assembly 13 to work, and the operating assembly 14 rotates to cause the welding assembly 13 to press the packing strap.
[0027] like Figure 1 As shown, the welding assembly 13 includes a clamping seat 131, a support shaft 132, an elastic element 133, and a locking nut 134. One end of the clamping seat 131 is rotatably connected to the mounting block 12. The elastic element 133 is fitted onto the outer side of the support shaft 132, and the support shaft 133 passes through the clamping seat 131 for fixation. The cap end of the support shaft 132 faces downwards, and the threaded end faces upwards. The elastic element 133 is fitted onto the outer side of the support shaft 132 and is compressed within the clamping seat 131. The locking nut 134 is screwed onto the threaded end of the support shaft 132, fixing the support shaft 132 onto the clamping seat 131. By tightening the support shaft 132, the compression of the elastic element 133 can be adjusted to suit packing straps of different thicknesses.
[0028] Specifically, the point where the clamping seat 131 is rotatably connected to the mounting block 12 is designated as the rotation point, and the contact point between the operating component 14 and the clamping seat 131 is designated as the pressure point. The operating component 14 applies pressure to the clamping seat 131, and the clamping seat 131 rotates around the rotation point.
[0029] like Figure 2 As shown, the clamping seat 131 includes a main body 1311, a first ear 1312 and a second ear 1313. The main body 1311 has a first ear 1312 and a second ear 1313 on both sides. The first ear 1312 is rotatably connected to the mounting block 12. The clamping seat 131 rotates with the first ear 1312 as the rotation point.
[0030] like Figure 1As shown, the welding assembly 13 further includes a pin 135 and a roller 136. The pin 135 passes through the second ear 1313, and the roller 136 is fitted onto the pin 135. The operating component 14 abuts against the roller 136, and the contact point between the operating component 14 and the roller 136 is a pressure point. When the operating component 14 rotates downward, it applies pressure to the roller 136, thereby causing the clamping seat 131 to rotate.
[0031] like Figure 1 As shown, the welding assembly 13 further includes an upper welding tooth 137, a lower welding tooth 138, and a cutting unit 139. The cap end of the support shaft 132 abuts against the upper welding tooth 137, which is connected to the drive assembly 15. The lower welding tooth 138 is located below the upper welding tooth 137, and the cutting unit 139 is connected to the upper welding tooth 137. When the clamping seat 131 rotates, the cap end of the support shaft 132 applies pressure to the upper welding tooth 137, causing it to move downwards until it comes into close contact with the packing strap. The contact point between the support shaft 132 and the upper welding tooth 137 is the pressure point of the upper welding tooth 137.
[0032] like Figure 3 As shown, the point of contact between the first ear 1312 and the roller 136 and the pressure plate 143 is the lower pressure arm L1, that is, the point of rotation of the pressure seat 131 to the point of pressure is the lower pressure arm L1; the point of contact between the first ear 1312 and the support shaft 132 and the welding upper tooth 137 is the rotation power arm L2, that is, the point of rotation of the pressure seat 131 to the point of pressure of the welding upper tooth 137 is the rotation power arm L2. The length of the lower pressure arm L1 is greater than the length of the rotation power arm L2, so the operator needs to apply less downward pressure to the button 142, making the welding operation more labor-saving.
[0033] like Figure 2 As shown, the clamping seat 131 further includes a first step 1314 and a second step 1315. The first step 1314 and the second step 1315 are respectively disposed at the upper and lower ends of the main body 1311. The support shaft 132 passes through the first step 1314 and the second step 1315. The threaded end of the support shaft 132 extends out of the first step 1314. The locking nut 134 is fitted on the support shaft 132 and abuts against the first step 1314. The cap end of the support shaft 132 abuts against the second step 1315. The elastic element 133 abuts between the first step 1314 and the cap end of the support shaft 132.
[0034] like Figure 2As shown, the clamping seat 131 also includes a limiting block 1316, which is disposed on the first step 1314. The limiting block 1316 abuts against the locking nut 134 and is used to restrict the rotation of the locking nut 134 to prevent the locking nut 134 from rotating when the support shaft 132 is turned to adjust the compression of the elastic member 133.
[0035] like Figure 1 As shown, the operating component 14 includes a rotating shaft 141, a button 142, a pressure plate 143, and a micro switch 144. The rotating shaft 141 is mounted through the mounting block 12. The pressure plate 143 is fixedly connected to the button 142 and is fitted onto the rotating shaft 141. The button 142 and the pressure plate 143 rotate synchronously. The pressure plate 143 abuts against the roller 136. The micro switch 144 is mounted on the mounting block 12. The rotation of the pressure plate 143 triggers the micro switch 144, causing a signal change in the micro switch 144.
[0036] Specifically, the operation component 14 can be an integral structure or a separate structure.
[0037] Specifically, when the operator presses the button 142, the button 142 and the pressure plate 143 rotate downwards synchronously. The pressure plate 143 abuts against the roller 136 and drives the roller 136 to move downwards, thereby causing the clamping seat 131 to rotate downwards with the first ear 1312 as the rotation point. The support shaft 132 simultaneously applies pressure to the welding upper teeth 137. The welding upper teeth 137 moves downwards until they are in close contact with the packing strap. The cutting unit 139 moves downwards together with the welding upper teeth 137. The cutting unit 139 is always in close contact with the upper packing strap. At the same time, the rotation of the pressure plate 143 triggers the micro switch 144. The signal of the micro switch 144 changes, and the drive assembly 15 drives the welding upper teeth 137 to perform friction welding on the packing strap. The cutting unit 139 and the upper packing strap generate a relative horizontal reciprocating motion to cut the packing strap. After the welding is completed, the drive assembly 15 stops working, the operator lifts the button 142, the button 142 and the pressure plate 143 rotate upward synchronously, the clamping seat 131 and the welding upper tooth 137 move upward to reset, the roller 136 remains in contact with the pressure plate 143, and the welding upper tooth 137 remains in contact with the support shaft 132.
[0038] like Figure 1As shown, the packing machine 1 also includes a handle 16, a transmission assembly 17, and a tensioning assembly 18. The handle 16 is fixedly connected to the transmission assembly 17. The transmission assembly 17 passes through the mounting block 12 and is connected to the tensioning assembly 18. The rotation of the handle 16 drives the transmission assembly 17 to lift or lower, which in turn drives the tensioning assembly 18 to lift or lower.
[0039] like Figure 4 As shown, the transmission assembly 17 includes a drive component 171, a reduction gearbox 172, a worm gear mechanism 173, and a mounting box 174. The output end of the drive component 171 is connected to the reduction gearbox 172, as shown. Figure 4 As shown, the worm gear mechanism 173 is installed in the mounting box 174, which is connected to the reduction gearbox 172. One end of the worm gear mechanism 173 is connected to the reduction gearbox 172, and the other end is connected to the tensioning assembly 18. The drive component 171 drives the tensioning assembly 18 to tighten or loosen the packing strap via the reduction gearbox 172 and the worm gear mechanism 173. The handle 16 is fixedly connected to the mounting box 174, and rotating the handle 16 causes the mounting box 174 to rotate.
[0040] like Figure 5 As shown, the tensioning assembly 18 includes a hinge shaft 181, an end cap 182, a tensioning wheel 183, and a toothed plate 184. One end of the hinge shaft 181 passes through the mounting block 12 and is connected to the mounting box 174. The other end of the hinge shaft 181 is connected to the end cap 182. The tensioning wheel 183 is connected to the worm gear mechanism 173. The toothed plate 184 is disposed below the tensioning wheel 183.
[0041] Specifically, the end cap 182 covers the outside of the tensioning wheel 183.
[0042] When the handle 16 is lifted, the mounting box 174 is lifted, and the mounting box 174 lifts the end cover 182 via the hinge shaft 181. The worm gear mechanism 173 is installed inside the mounting box 174 and lifts along with the mounting box 174, further lifting the tension wheel 183 and placing the packing strap between the tension wheel 183 and the toothed plate 184. When the handle 16 is pressed down, the tension wheel 183 falls, and the drive member 171 drives the tension wheel 183 to rotate and tighten the packing strap. After packing is completed, the handle 16 is lifted, and the drive member 171 drives the tension wheel 183 to rotate in the opposite direction to remove the packing strap and lift it up.
[0043] This utility model provides a baling machine welding assembly and baling machine. By changing the contact point position between the pressure plate and the welding assembly, the length of the lower pressure arm L1 is made greater than the length of the rotation power arm L2, reducing the downward pressure required by the operator to press the button and making it more labor-saving. Furthermore, a limit block is set on the clamping seat, which abuts against the locking nut, effectively preventing the locking nut from rotating when the support shaft is turned. This utility model provides a baling machine welding assembly and baling machine that reduces the downward pressure required to press the button, making it more labor-saving and easier for the operator to use.
[0044] Although the present invention has been disclosed above by way of embodiments, it is not intended to limit the present invention. Anyone skilled in the art can make some modifications and refinements without departing from the spirit and scope of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.
Claims
1. A welding assembly for a packaging machine, characterized in that, It includes a clamping seat, a support shaft, an elastic element, and welding upper teeth. The clamping seat rotates around a rotation point. The support shaft is fixedly installed in the clamping seat. The elastic element is fitted on the outside of the support shaft. The elastic element is installed in the clamping seat in a compressed state. The welding upper teeth are located below the clamping seat. The support shaft abuts against the welding upper teeth. Pressure is applied to the clamping seat, which rotates around the rotation point. The support shaft applies pressure to the welding upper tooth, causing the welding upper tooth to move. Let the distance from the rotation point of the clamping seat to the pressure point be the lower pressure arm, and let the distance from the rotation point of the clamping seat to the pressure point of the welding upper tooth be the rotation power arm. The length of the lower pressure arm is greater than the length of the rotation power arm.
2. The welding assembly for a packaging machine as described in claim 1, characterized in that, The clamping seat includes a main body and a first ear. The first ear is provided on one side of the main body, and the clamping seat rotates around the first ear as a rotation point.
3. The welding assembly for a packaging machine as described in claim 2, characterized in that, The welding assembly also includes a pin and a roller, and the clamping seat also includes a second ear. The second ear is provided on the other side of the main body. The pin is installed in the second ear, and the roller is fitted on the pin. The roller is the pressure point.
4. The welding assembly for a packaging machine as described in claim 3, characterized in that, The clamping seat also includes a first step, which is disposed at the upper end of the main body. The threaded end of the support shaft passes through the first step, and the elastic element abuts between the first step and the cap end of the support shaft.
5. A welding assembly for a packaging machine as described in claim 4, characterized in that, The clamping seat also includes a limiting block, which is disposed on the first step; the welding assembly also includes a locking nut, which is fitted onto the threaded end of the support shaft, and the limiting block abuts against the locking nut to restrict the locking nut from rotating with the support shaft.
6. The welding assembly for a packaging machine as described in claim 5, characterized in that, The welding assembly further includes a lower welding tooth and a cutting unit. The lower welding tooth is installed below the upper welding tooth, and the cutting unit is installed on the upper welding tooth.
7. A packing machine, characterized in that, The packaging machine welding assembly includes any one of claims 1-6.
8. The packaging machine as described in claim 7, characterized in that, The packaging machine further includes an operating component and a driving component. The operating component abuts against the roller, and the driving component is connected to the welding upper teeth. The driving component drives the welding upper teeth to perform friction welding.
9. The packaging machine as described in claim 8, characterized in that, The operating components include a button, a pressure plate, a rotating shaft, and a micro switch. The button and the pressure plate are fixedly connected. The pressure plate is fitted onto the rotating shaft and abuts against the roller. Rotation of the pressure plate triggers the micro switch.
10. The packaging machine as described in claim 9, characterized in that, The packing machine also includes a handle, a transmission assembly, and a tensioning assembly. The handle is connected to the transmission assembly, and the transmission assembly is connected to the tensioning assembly. Rotating the handle drives the transmission assembly and the tensioning assembly to move.