A bottom heat-sealing mechanism for chemical packaging bags

Abstract

The utility model relates to the technical field of chemical packaging bags, and discloses a bottom heat-sealing mechanism for chemical packaging bags, including a top plate, a support frame, a bottom plate, and a processing table. Adjustment blocks are installed on both sides of the top of the processing table, one end of the threaded rod is connected to a servo motor, the outer wall of the threaded rod is connected to a threaded block, and a smoothing rod is installed between the guide block and the threaded block. The utility model installs the adjustment blocks on both sides of the top of the processing table, and then one end of the chemical packaging bag is pressed and positioned by a clamping plate, and then the servo motor is started to drive the threaded rod to rotate. At this time, the threaded rod and the threaded block cooperate with each other to form a threaded path, and a smoothing rod is installed between the threaded block and the guide block. Therefore, when the threaded block has a threaded path, a guide work is formed between the guide rod and the guide block, so that when the smoothing rod moves back and forth, the surface of the chemical packaging bag is smoothed, thereby improving the subsequent hot pressing effect.

Description

Technical Field

[0001] The utility model relates to the technical field of chemical product packaging bags, in particular to a bottom heat-sealing mechanism for chemical product packaging bags. Background Art

[0002] Chemical packaging bags are mostly plastic bags and composite bags. Commonly used materials include polyethylene and polypropylene, which are suitable for packaging powdery and granular items. Composite bags are wear-resistant, pressure-resistant, moisture-proof, anti-oxidation, and heat-insulating. They are suitable for packaging powdery, granular, and small items. Different chemical raw materials require different packaging bags for packaging. Choosing appropriate packaging bags can effectively protect the quality and safety of chemical raw materials.

[0003] Based on the connection processing of chemical packaging bags, the bottom will need to be sealed by heat pressure. Therefore, a heat sealing mechanism will be used in the working process to complete the bottom sealing work. In the process, heat pressing will be used to form a seal and fix it. When the plastic bag is sealed, if its surface is not flush enough, it will easily directly affect the sealing effect of the chemical packaging bag. Utility Model Content

[0004] The purpose of the utility model is to provide a bottom heat-sealing mechanism for a chemical product packaging bag, so as to solve the problem that a heat-sealing mechanism is used in the working process to complete the bottom sealing work, and a heat-pressing method is adopted in the process to form a seal and fix the plastic bag. When the plastic bag is sealed, if the surface is not flush enough, the sealing effect of the chemical product packaging bag may be directly affected.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a bottom heat-sealing mechanism for a chemical product packaging bag, comprising a top plate, a support frame, a bottom plate, and a processing table, wherein adjustment blocks are installed on both sides of the top of the processing table, a guide rod is installed inside one of the adjustment blocks, and the outer wall of the guide rod is connected to the guide block, and a threaded rod is installed inside the other adjustment block, one end of the threaded rod is connected to a servo motor, and the outer wall of the threaded rod is connected to a threaded block, and a smoothing rod is installed between the guide block and the threaded block.

[0006] Preferably, the adjusting blocks are symmetrically distributed about the central axis of the processing table, and a guide groove is provided inside one side of the adjusting block.

[0007] Preferably, a threaded connection is formed between the threaded block and the threaded rod, and a sliding connection is formed between the guide rod and the guide block.

[0008] Preferably, a cylinder is installed at the top end of the top plate, an output end of the cylinder is connected to a hydraulic telescopic rod, and a connecting plate is installed at the bottom end of the hydraulic telescopic rod.

[0009] Preferably, a hot press box is installed at the bottom end of the connecting plate, a heating tube is installed inside the hot press box, and a heat conducting plate is fixed at the bottom end of the hot press box.

[0010] Preferably, a slide groove is opened inside the base plate, a slider is installed at the bottom end of the processing table, a vertical plate is installed at the top of the base plate near the back end, a first telescopic rod is installed at the front end of the vertical plate, and the front end of the first telescopic rod is connected to the processing table.

[0011] Preferably, two groups of the slide grooves are opened inside the bottom plate, the sliders are symmetrically distributed about the central axis of the processing table, and a sliding connection is formed between the sliders and the slide grooves.

[0012] Preferably, side mounting plates are installed at positions near the front end on both sides of the processing table, cross plates are installed between the side mounting plates, adjusting rods are inserted inside the cross plates, limiting blocks are installed on the top of the adjusting rods, a return spring is connected to the outer wall of the adjusting rod, a clamping plate is fixed to the bottom end of the adjusting rod, and an anti-slip rubber strip is fixed to the bottom end of the clamping plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects: the bottom heat-sealing sealing mechanism of the chemical packaging bag not only improves the flattening ability, but also improves the one-end pressing ability and the front-back position adjustment ability of the bottom heat-sealing sealing mechanism;

[0014] (1) By installing the adjustment blocks on both sides of the top of the processing table, one end of the chemical product packaging bag is pressed and positioned by the pressing plate, and then the servo motor is started to drive the threaded rod to rotate. At this time, the threaded rod and the threaded block cooperate with each other to form a thread path, and a smoothing rod is installed between the threaded block and the guide block. Therefore, when the threaded block has a thread path, a guide work is formed between the guide rod and the guide block. When the smoothing rod moves back and forth, the surface of the chemical product packaging bag is smoothed, thereby improving the subsequent hot pressing effect;

[0015] (2) By installing the side mounting plates on both sides of the processing table and installing the cross plate between the side mounting plates, the chemical product packaging bag is placed at one end of the top position of the processing table, and then the reset spring is compressed accordingly after the grabbing adjustment rod rises, and then the pressing plate and the anti-slip rubber strip cooperate to press one end of the chemical product packaging bag, and at this time, the reset spring rebounds, thereby better improving the overall one-end pressing ability during the working process;

[0016] (3) The vertical plate is fixed at the top of the bottom plate near the back end, and then the slide groove is opened inside the bottom plate. At this time, the slider is embedded in the slide groove and moves. According to the position of the cosmetic packaging bag, the front and rear positions of the processing table are adjusted after the first telescopic rod is started. The slider slides and guides inside the slide groove, thereby improving the overall front and rear position adjustment capability during the working process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0018] Figure 2 It is a schematic diagram of a partial top view of the processing table of the utility model;

[0019] Figure 3 It is a partial side view structural diagram of the processing table of the utility model;

[0020] Figure 4 It is a schematic diagram of a partial front cross-sectional structure of the clamping plate of the utility model.

[0021] In the figure: 1. top plate; 2. cylinder; 3. hydraulic telescopic rod; 4. connecting plate; 5. hot press box; 6. heating tube; 7. heat conducting plate; 8. support frame; 9. bottom plate; 10. processing table; 11. slider; 12. side mounting plate; 13. cross plate; 14. adjustment block; 15. guide rod; 16. guide block; 17. threaded block; 18. threaded rod; 19. servo motor; 20. slide; 21. vertical plate; 22. first telescopic rod; 23. adjustment rod; 24. limit block; 25. clamping plate; 26. anti-slip rubber strip; 27. reset spring. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figure 1-4The utility model provides an embodiment: a bottom heat-sealing mechanism for a chemical product packaging bag, comprising a top plate 1, a support frame 8, a bottom plate 9, and a processing table 10. Adjustment blocks 14 are installed on both sides of the top of the processing table 10. A guide rod 15 is installed inside one of the adjustment blocks 14. The outer wall of the guide rod 15 is connected to a guide block 16. A threaded rod 18 is installed inside the other adjustment block 14. A servo motor 19 is connected to one end of the threaded rod 18. A threaded block 17 is connected to the outer wall of the threaded rod 18. A smoothing rod is installed between the guide block 16 and the threaded block 17.

[0024] The adjusting blocks 14 are symmetrically distributed about the central axis of the processing table 10 , and a guide groove is provided inside one side of the adjusting blocks 14 .

[0025] A threaded connection is formed between the threaded block 17 and the threaded rod 18 , and a sliding connection is formed between the guide rod 15 and the guide block 16 .

[0026] A cylinder 2 is installed at the top of the top plate 1, an output end of the cylinder 2 is connected to a hydraulic telescopic rod 3, and a connecting plate 4 is installed at the bottom end of the hydraulic telescopic rod 3.

[0027] A hot press box 5 is installed at the bottom end of the connecting plate 4 , a heating pipe 6 is installed inside the hot press box 5 , and a heat conducting plate 7 is fixed at the bottom end of the hot press box 5 .

[0028] A slide groove 20 is provided inside the bottom plate 9, a slider 11 is installed at the bottom end of the processing table 10, a vertical plate 21 is installed at the top of the bottom plate 9 near the back end, a first telescopic rod 22 is installed at the front end of the vertical plate 21, and the front end of the first telescopic rod 22 is connected to the processing table 10.

[0029] Two groups of slide grooves 20 are opened inside the bottom plate 9 , and the sliders 11 are symmetrically distributed about the central axis of the processing table 10 , and a sliding connection is formed between the sliders 11 and the slide grooves 20 .

[0030] Side mounting plates 12 are installed near the front end of both sides of the processing table 10, and a horizontal plate 13 is installed between the side mounting plates 12. An adjusting rod 23 is inserted inside the horizontal plate 13, and a limit block 24 is installed at the top of the adjusting rod 23. A return spring 27 is connected to the outer wall of the adjusting rod 23. A pressing plate 25 is fixed to the bottom end of the adjusting rod 23, and an anti-slip rubber strip 26 is fixed to the bottom end of the pressing plate 25.

[0031] Furthermore, the pressing plate 25 and the anti-skid rubber strip 26 are connected by adhesive layer, and the anti-skid rubber strip 26 directly contacts the outside of the chemical product packaging bag to achieve the purpose of anti-skid pressing.

[0032] Working principle: First, when working, place the chemical product packaging bag at one end of the top position of the processing table 10, then grab the adjustment rod 23 and raise it, and the reset spring 27 is compressed accordingly. After the reset spring 27 rebounds, the clamping plate 25 and the anti-slip rubber strip 26 cooperate to clamp one end of the chemical product packaging bag, and then start the servo motor 19 to drive the threaded rod 18 to rotate. At this time, the threaded rod 18 and the threaded block 17 cooperate with each other to form a threaded path, and a smoothing rod is installed between the threaded block 17 and the guide block 16. Therefore, when the threaded block 17 has a threaded path, a guiding work is formed between the guide rod 15 and the guide block 16, so that when the smoothing rod moves back and forth, the surface of the chemical product packaging bag is smoothed. After completion, the hot press box 5 can be used to complete the hot press sealing work.

[0033] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

Claims

1. A bottom heat-sealing mechanism for a chemical product packaging bag, comprising a top plate (1), a support frame (8), a bottom plate (9), and a processing table (10), characterized in that: Adjustment blocks (14) are installed on both sides of the top of the processing table (10), a guide rod (15) is installed inside one of the adjustment blocks (14), and the outer wall of the guide rod (15) is connected to the guide block (16), and a threaded rod (18) is installed inside the other adjustment block (14), one end of the threaded rod (18) is connected to a servo motor (19), and the outer wall of the threaded rod (18) is connected to a threaded block (17), and a smoothing rod is installed between the guide block (16) and the threaded block (17).

2. The bottom heat-sealing mechanism of a chemical packaging bag according to claim 1, characterized in that: The adjusting blocks (14) are symmetrically distributed about the central axis of the processing table (10), and a guide groove is provided inside one side of the adjusting block (14).

3. The bottom heat-sealing mechanism of a chemical packaging bag according to claim 1, characterized in that: A threaded connection is formed between the threaded block (17) and the threaded rod (18), and a sliding connection is formed between the guide rod (15) and the guide block (16).

4. The bottom heat-sealing mechanism for a chemical packaging bag according to claim 1, characterized in that: A cylinder (2) is installed at the top end of the top plate (1); an output end of the cylinder (2) is connected to a hydraulic telescopic rod (3); and a connecting plate (4) is installed at the bottom end of the hydraulic telescopic rod (3).

5. The bottom heat-sealing mechanism of a chemical packaging bag according to claim 4, characterized in that: A hot press box (5) is installed at the bottom end of the connecting plate (4), a heating pipe (6) is installed inside the hot press box (5), and a heat conducting plate (7) is fixed at the bottom end of the hot press box (5).

6. The bottom heat-sealing mechanism of a chemical packaging bag according to claim 1, characterized in that: A slide groove (20) is provided inside the bottom plate (9), a slide block (11) is installed at the bottom end of the processing table (10), a vertical plate (21) is installed at the top end of the bottom plate (9) near the back end, a first telescopic rod (22) is installed at the front end of the vertical plate (21), and the front end of the first telescopic rod (22) is connected to the processing table (10).

7. The bottom heat-sealing mechanism of a chemical packaging bag according to claim 6, characterized in that: Two groups of the slide grooves (20) are opened inside the bottom plate (9), the sliders (11) are symmetrically distributed about the central axis of the processing table (10), and a sliding connection is formed between the sliders (11) and the slide grooves (20).

8. The bottom heat-sealing mechanism for a chemical packaging bag according to claim 1, characterized in that: Side mounting plates (12) are installed at positions near the front end on both sides of the processing table (10), and a transverse plate (13) is installed between the side mounting plates (12). An adjusting rod (23) is inserted inside the transverse plate (13), and a limiting block (24) is installed at the top of the adjusting rod (23). A return spring (27) is connected to the outer wall of the adjusting rod (23), and a clamping plate (25) is fixed to the bottom end of the adjusting rod (23), and an anti-slip rubber strip (26) is fixed to the bottom end of the clamping plate (25).

Images