Bag-making forming device capable of adjusting bag shape
By incorporating a convenient width adjustment mechanism and locking structure, the problems of low width adjustment efficiency and poor stability in existing bag-making devices have been solved, achieving efficient and precise adjustment of the guide plate spacing and improving bag-making accuracy.
Patent Information
- Application Number
- CN202520668585.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-10
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-04-10
AI Technical Summary
In existing width-adjustable forming bag-making devices, the screw drive speed is relatively slow, resulting in low width adjustment efficiency. Furthermore, the lack of locking can easily lead to changes in the guide plate spacing, affecting bag quality.
It adopts a convenient width adjustment mechanism, including a drive shaft, a driving bevel gear, a driven bevel gear and a threaded rod, which enables efficient and precise adjustment of the guide plate spacing through handwheel drive, and ensures stability through a locking structure.
It enables convenient, efficient, and precise adjustment of the guide plate spacing, improves the stability and precision of bag making, avoids deflection caused by vibration, and enhances packaging quality.
Smart Images
Figure CN223935095U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bag making technology, and in particular to a bag forming device with adjustable bag shape. Background Technology
[0002] Currently, some items (such as bread, milk tea, and vegetables) are packaged with packaging film. To ensure the packaging film adheres well to the items, it is now mostly formed using a bag-making device to shape the film and wrap it around the items.
[0003] According to the search results, a bag-making device with adjustable width is disclosed in the authorization announcement number CN214356854U. The device is characterized by including a forming mechanism with adjustable width and a positioning seat, wherein the forming mechanism is hinged to the positioning seat and the input end of the forming mechanism can swing up and down.
[0004] However, the aforementioned adjustable-width bag-forming device still has shortcomings. While a lead screw is used to adjust the distance between the two guide plates, the slow speed at which the lead screw drives the guide plates reduces the efficiency of width adjustment, resulting in poor performance. Furthermore, the lack of locking between the lead screw and the handwheel means that vibrations during bag forming can easily cause the handwheel and lead screw to deflect, altering the width between the two guide plates and reducing bag quality. Therefore, we propose an adjustable-bag-shape bag-forming device to address these issues. Utility Model Content
[0005] The purpose of this invention is to address the aforementioned shortcomings by providing an adjustable bag-making device.
[0006] To achieve the above objectives, the present invention adopts the following technical solution:
[0007] An adjustable bag-making device includes a base, two movable seats slidably disposed on the top of the base, a convenient width adjustment mechanism disposed between the base and the two movable seats, a guide plate detachably and fixedly connected to the top of the movable seats, a support mechanism for supporting the items to be packaged disposed on the top of the base, a scale fixedly connected to the top of the base, and the convenient width adjustment mechanism including two sliding grooves formed on the top of the base and two sliders fixedly connected to the bottom of the movable seats, with the four sliders slidably fitted into the corresponding sliding grooves.
[0008] As a preferred embodiment of this utility model, the convenient width adjustment mechanism further includes a drive shaft rotatably connected to the inner walls of the front and rear sides of the base, two threaded rods rotatably connected to the inner wall of the bottom of the base, and a lower rack fixedly connected to the top of the slider. Two active bevel gears are fixedly sleeved on the outer side of the drive shaft, and driven bevel gears are fixedly connected to the top of each of the two threaded rods. The two active bevel gears mesh with the corresponding driven bevel gears. Nuts are threadedly sleeved on the outer side of each of the two threaded rods, and lifting plates are fixedly sleeved on the outer side of the two nuts. Two connecting plates are fixedly connected to the bottom of the lifting plate, and upper racks are fixedly connected to the bottom of each of the two connecting plates. The two upper racks mesh with the corresponding lower racks.
[0009] As a preferred embodiment of this utility model, a through groove is provided on the bottom inner wall of the base between it and the sliding groove, and the two upper racks are respectively slidably sleeved in the corresponding through grooves.
[0010] As a preferred embodiment of this utility model, four limiting rods are fixedly connected to the top inner wall and the bottom inner wall of the base, and the lifting plate is slidably sleeved on the outside of the four limiting rods.
[0011] As a preferred embodiment of this utility model, guide rods are fixedly connected to the inner walls of the front and rear sides of the slide groove, and four sliders are respectively slidably sleeved on the outer side of the corresponding guide rods.
[0012] As a preferred embodiment of this utility model, a handwheel is fixedly connected to the front end of the drive shaft, and several slots are provided on the front side of the base. A screw is threadedly connected to the front side of the handwheel, and the screw is movably engaged in the corresponding slot.
[0013] As a preferred embodiment of this utility model, the support mechanism includes a pad fixedly connected to the top of the base, a support plate movably placed on the top of the pad, and ear plates fixedly connected to the front and rear sides of the support plate. Two screws are threadedly connected to the top of the ear plates, and the ear plates are fixedly connected to the top of the pad by the two screws.
[0014] In a preferred embodiment of this invention, a horizontal plate is movably placed on the top of the movable seat, and two screws are threadedly connected to the top of the horizontal plate. The horizontal plate is fixedly connected to the top of the movable seat by the two screws, and the guide plate is fixedly connected to the top of the horizontal plate.
[0015] In this utility model, an adjustable bag-making device can fix support plates of different specifications on the top of the pad by setting ear plates and screw one according to actual needs. Similarly, by setting cross plates and screw two, guide plates can be fixed on the top of the movable seat.
[0016] In this utility model, the adjustable bag-making device, when adjusting the distance between the two guide plates, first loosens the screw, causing it to disengage from the slot. The handwheel then rotates the drive shaft and two active bevel gears. These active bevel gears drive the two driven bevel gears and the threaded rod to rotate synchronously. The two threaded rods then move the two nuts and the lifting plate upwards. The lifting plate moves the two connecting plates and the upper rack upwards synchronously without engaging with the four lower racks, thus preventing the four sliders and the moving seats from locking. At this point, the operator adjusts the two moving seats and the guide plates according to the scale markings. Adjustment allows for convenient, efficient, and precise adjustment of the width between the two guide plates, improving the device's performance. After adjustment, the handwheel and drive shaft are rotated in the opposite direction, causing the two upper racks to move down synchronously and firmly abut against the tops of the four lower racks. This locks the four sliders and the moving seat, enhancing installation stability. To prevent vibration during bag forming, the screw is tightened into the corresponding slot, locking the handwheel and upper racks. This securely locks the sliders, moving seat, and guide plates, improving bag-making precision.
[0017] This utility model has a reasonable structural design. The support mechanism helps to support the items to be packaged, preventing the packaging film from deforming due to excessive weight, which helps to further improve the quality of the packaging. By unlocking and fixing the two movable seats simultaneously, the width between the two guide plates can be adjusted conveniently, efficiently and accurately, making the adjustment more convenient, efficient and precise, improving the use effect of the device. After adjustment, it is also convenient to double fix the movable seats and handwheels, improving the stability after adjustment. Attached Figure Description
[0018] Figure 1 This is a first-view perspective perspective view of an adjustable bag-forming device proposed in this utility model.
[0019] Figure 2 This is a second-view perspective perspective view of an adjustable bag-forming device proposed in this utility model.
[0020] Figure 3 This is a cross-sectional view of an adjustable bag-making device according to the present invention.
[0021] Figure 4 for Figure 1 A schematic diagram of the structure of part A;
[0022] Figure 5 for Figure 3 A schematic diagram of the structure of part B.
[0023] In the diagram: 1. Base; 2. Convenient width adjustment mechanism; 201. Slider; 202. Slide groove; 203. Guide rod; 204. Lower rack; 205. Upper rack; 206. Connecting plate; 207. Through groove; 208. Lifting plate; 209. Threaded rod; 210. Nut; 211. Driven bevel gear; 212. Drive shaft; 213. Driven bevel gear; 214. Handwheel; 215. Screw; 216. Slot; 217. Limiting rod;
[0024] 3. Support mechanism; 31. Support plate; 32. Pad plate; 33. Ear plate; 34. Screw one;
[0025] 4. Horizontal plate; 5. Guide plate; 6. Two screws; 7. Ruler; 8. Movable base. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0027] Reference Figures 1-5 An adjustable bag-making device includes a base 1, two movable seats 8 slidably disposed on the top of the base 1, a convenient width adjustment mechanism 2 disposed between the base 1 and the two movable seats 8, a guide plate 5 detachably and fixedly connected to the top of the movable seats 8, a support mechanism 3 for supporting the items to be packaged disposed on the top of the base 1, a scale 7 fixedly connected to the top of the base 1, and the convenient width adjustment mechanism 2 includes two sliding grooves 202 opened on the top of the base 1 and two sliders 201 fixedly connected to the bottom of the movable seats 8, with the four sliders 201 slidably fitted into the corresponding sliding grooves 202 respectively.
[0028] Furthermore, refer to Figures 1-5 The convenient width adjustment mechanism 2 also includes a drive shaft 212 rotatably connected to the inner walls of the front and rear sides of the base 1, two threaded rods 209 rotatably connected to the inner wall of the bottom of the base 1, and a lower rack 204 fixedly connected to the top of the slider 201. Two active bevel gears 213 are fixedly sleeved on the outer side of the drive shaft 212. Driven bevel gears 211 are fixedly connected to the top of each of the two threaded rods 209. The two active bevel gears 213 mesh with the corresponding driven bevel gears 211. Nuts 210 are threadedly sleeved on the outer side of each of the two threaded rods 209. Lifting plates 208 are fixedly sleeved on the outer side of each of the two nuts 210. Two connecting plates 206 are fixedly connected to the bottom of the lifting plate 208. Upper racks 205 are fixedly connected to the bottom of each of the two connecting plates 206. The two upper racks 205 mesh with the corresponding lower racks 204.
[0029] Using the above scheme: When it is necessary to adjust the distance between the two guide plates 5, the drive shaft 212 and the two active bevel gears 213 are rotated by the handwheel 214. The two active bevel gears 213 drive the two driven bevel gears 211 and the threaded rod 209 to rotate synchronously. The two threaded rods 209 drive the two nuts 210 and the lifting plate 208 to move upward. The lifting plate 208 drives the two connecting plates 206 and the upper rack 205 to move upward synchronously without abutting or meshing with the four lower racks 204, thus preventing the four sliders 201 from moving. The movable seat 8 is locked. At this time, the operator adjusts the two movable seats 8 and the guide plate 5 according to the indication of the scale 7, so as to conveniently, efficiently and accurately adjust the width between the two guide plates 5, making the adjustment more convenient, efficient and accurate, and improving the use effect of the device. After the adjustment is completed, the handwheel 214 and the drive shaft 212 are rotated in the opposite direction, so that the two upper racks 205 move down synchronously and firmly abut against the top of the four lower racks 204, thereby locking the four sliders 201 and the movable seat 8, improving the stability of the installation.
[0030] Furthermore, a through groove 207 is provided between the bottom inner wall of the base 1 and the slide groove 202. Two upper racks 205 are slidably sleeved in the corresponding through grooves 207. Four limiting rods 217 are fixedly connected to the top inner wall and the bottom inner wall of the base 1. The lifting plate 208 is slidably sleeved on the outside of the four limiting rods 217. Guide rods 203 are fixedly connected to the front and rear inner walls of the slide groove 202. Four sliders 201 are slidably sleeved on the outside of the corresponding guide rods 203, which facilitates the guidance of the sliders 201, the lifting plate 208 and the upper racks 205, making their movement more stable.
[0031] Furthermore, a handwheel 214 is fixedly connected to the front end of the drive shaft 212, and several slots 216 are provided on the front side of the base 1. A screw 215 is threadedly connected to the front side of the handwheel 214. The screw 215 is movably engaged in the corresponding slot 216, which facilitates locking the handwheel 214 and prevents it from deflecting due to vibration during bag forming, thus causing the guide plate to shift and greatly improving the accuracy of bag making.
[0032] Furthermore, refer to Figure 1 and Figure 2 The support mechanism 3 includes a pad 32 fixedly connected to the top of the base 1. A support plate 31 is movably placed on the top of the pad 32. Ear plates 33 are fixedly connected to the front and rear sides of the support plate 31. Two screws 34 are threadedly connected to the top of the ear plates 33. The ear plates 33 are fixedly connected to the top of the pad 32 by the two screws 34.
[0033] By adopting the above solution: through the setting of ear plate 33 and screw 34, support plates 31 of different specifications can be fixed on the top of pad plate 32. Through the support plate 31, the items can be supported, avoiding the deformation of the packaging film caused by excessively heavy items, which helps to further improve the quality of packaging.
[0034] Furthermore, a horizontal plate 4 is movably placed on the top of the movable seat 8. Two screws 6 are threadedly connected to the top of the horizontal plate 4. The horizontal plate 4 is fixedly connected to the top of the movable seat 8 by the two screws 6. The guide plate 5 is fixedly connected to the top of the horizontal plate 4. By setting the horizontal plate 4 and the screws 6, the guide plate 5 can be fixed to the top of the movable seat 8.
[0035] In this utility model, during use, according to actual needs, the support plates 31 of different specifications can be fixed on the top of the pad plate 32 by setting the ear plate 33 and the screw 34. Similarly, the guide plate 5 can be fixed on the top of the movable seat 8 by setting the cross plate 4 and the screw 6.
[0036] When adjusting the distance between the two guide plates 5, first loosen the screw 215 so that it disengages from the slot 216. Then, rotate the drive shaft 212 and the two driving bevel gears 213 via the handwheel 214. The two driving bevel gears 213 drive the two driven bevel gears 211 and the threaded rod 209 to rotate synchronously. The two threaded rods 209 drive the two nuts 210 and the lifting plate 208 to move upwards. The lifting plate 208 drives the two connecting plates 206 and the upper rack 205 to move upwards synchronously without engaging with the four lower racks 204, thus preventing the four sliders 201 and the moving seat 8 from locking. At this point, the operator adjusts the two moving seats 8 and the guide plates 5 according to the scale 7. This allows for convenient, efficient, and precise adjustment of the width between the two guide plates 5, making the adjustment more convenient, efficient, and precise, and improving the device's performance. After adjustment, the handwheel 214 and drive shaft 212 are rotated in the opposite direction, causing the two upper racks 205 to move down synchronously and firmly abut against the top of the four lower racks 204. This locks the four sliders 201 and the moving seat 8, improving installation stability. To prevent vibration during bag forming, the screw 215 is tightened so that it screws into the corresponding slot 216, locking the handwheel 214 and the upper racks 205. This securely locks the sliders 201, the moving seat 8, and the guide plates 5, improving bag forming accuracy.
Claims
1. A bag-making and forming device with adjustable bag shape, characterized in that, Includes a base (1), on the top of which two movable seats (8) are slidably arranged. A convenient width adjustment mechanism (2) is provided between the base (1) and the two movable seats (8). A guide plate (5) is detachably and fixedly connected to the top of the movable seats (8). A support mechanism (3) for supporting the items to be packaged is provided on the top of the base (1). A scale (7) is fixedly connected to the top of the base (1). The convenient width adjustment mechanism (2) includes two slide grooves (202) opened on the top of the base (1) and two sliders (201) fixedly connected to the bottom of the movable seats (8). The four sliders (201) are respectively slidably fitted in the corresponding slide grooves (202).
2. The bag-making and forming device with adjustable bag shape according to claim 1, characterized in that, The convenient width adjustment mechanism (2) further includes a drive shaft (212) rotatably connected to the inner walls of the front and rear sides of the base (1), two threaded rods (209) rotatably connected to the inner wall of the bottom of the base (1), and a lower rack (204) fixedly connected to the top of the slider (201). Two active bevel gears (213) are fixedly sleeved on the outer side of the drive shaft (212). A driven bevel gear (211) is fixedly connected to the top of each of the two threaded rods (209). The two active bevel gears (213) mesh with the corresponding driven bevel gears (211). Nuts (210) are threadedly sleeved on the outer side of each of the two threaded rods (209). A lifting plate (208) is fixedly sleeved on the outer side of each of the two nuts (210). Two connecting plates (206) are fixedly connected to the bottom of the lifting plate (208). An upper rack (205) is fixedly connected to the bottom of each of the two connecting plates (206). The two upper racks (205) mesh with the corresponding lower racks (204).
3. The bag-making and forming device with adjustable bag shape according to claim 2, characterized in that, A through groove (207) is provided on the bottom inner wall of the base (1) between it and the slide groove (202), and two upper racks (205) are respectively slidably sleeved in the corresponding through grooves (207).
4. The bag-making and forming device with adjustable bag shape according to claim 2, characterized in that, Four limiting rods (217) are fixedly connected to the top inner wall and the bottom inner wall of the base (1), and the lifting plate (208) is slidably sleeved on the outside of the four limiting rods (217).
5. The bag-making and forming device with adjustable bag shape according to claim 1, characterized in that, Guide rods (203) are fixedly connected to the inner walls of the front and rear sides of the slide groove (202), and four sliders (201) are respectively slidably sleeved on the outer side of the corresponding guide rods (203).
6. The bag-making and forming device with adjustable bag shape according to claim 2, characterized in that, A handwheel (214) is fixedly connected to the front end of the drive shaft (212). Several slots (216) are provided on the front side of the base (1). A screw (215) is threadedly connected to the front side of the handwheel (214). The screw (215) is movably engaged in the corresponding slot (216).
7. The bag-making and forming device with adjustable bag shape according to claim 1, characterized in that, The support mechanism (3) includes a pad (32) fixedly connected to the top of the base (1). A support plate (31) is movably placed on the top of the pad (32). Ear plates (33) are fixedly connected to the front and rear sides of the support plate (31). Two screws (34) are threadedly connected to the top of the ear plate (33). The ear plate (33) is fixedly connected to the top of the pad (32) by the two screws (34).
8. The bag-making and forming device with adjustable bag shape according to claim 1, characterized in that, A horizontal plate (4) is movably placed on the top of the movable seat (8). Two screws (6) are threadedly connected to the top of the horizontal plate (4). The horizontal plate (4) is fixedly connected to the top of the movable seat (8) by the two screws (6). The guide plate (5) is fixedly connected to the top of the horizontal plate (4).