Edge sealing mechanism of horizontal packaging machine

Abstract

An edge sealing mechanism of a horizontal packaging machine comprises a shell, a base, a mounting frame, a retainer, a long connecting rod, a short connecting rod, a driving structure, a movable plate, a mounting block structure and a sealing block, the base is fixed to the bottom of the shell, the mounting frame and the retainer are fixed to the inner side of the shell, and the retainer is connected with the driving structure. One ends of the long connecting rod and the short connecting rod penetrate through the gap of the movable plate and are connected with the mounting block structure, the other ends of the long connecting rod and the short connecting rod are connected with the driving structure, the driving structure is fixed on the mounting frame, the movable plate is connected with the mounting block structure, the bottom of the mounting block structure is connected with the base, and the inner side of the mounting block structure is connected with the sealing block. Compared with the prior art, parallel edge sealing is adopted, the difference of melting point duration and edge sealing pressure in the whole edge sealing process can be avoided, and the sealing strength is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of packaging equipment, in particular to an edge sealing mechanism of a horizontal packaging machine. Background Art

[0002] A Chinese patent (CN212667831U) discloses a pressure-adjustable edge-sealing mechanism, which closes the packaging film from the bottom to the top in sequence. The bottom contacts the packaging film first relative to the top, which causes different melting point times and pressures at the bottom and top, resulting in differences at different positions.

[0003] To solve the above problems, we made a series of improvements. Utility Model Content

[0004] The purpose of the utility model is to provide an edge sealing mechanism for a horizontal packaging machine to overcome the above-mentioned shortcomings and deficiencies in the prior art.

[0005] A horizontal packaging machine edge sealing mechanism comprises: a shell, a base, a mounting frame, a retaining frame, a long connecting rod, a short connecting rod, a driving structure, a movable plate, a mounting block structure and a sealing block, wherein the base is fixed to the bottom of the shell, the mounting frame and the retaining frame are fixed to the inner side of the shell, the retaining frame is connected to the driving structure, one end of the long connecting rod and the short connecting rod passes through the gap of the movable plate and is connected to the mounting block structure, the other end of the long connecting rod and the short connecting rod is connected to the driving structure, the driving structure is fixed on the mounting frame, the movable plate is connected to the mounting block structure, the bottom of the mounting block structure is connected to the base, and the inner side of the mounting block structure is connected to the sealing block.

[0006] Furthermore, a guide rail is provided on the base, a slider is provided on the guide rail, and the slider is connected to the bottom of the mounting block structure.

[0007] Furthermore, the driving structure includes: a driving rod, a buffer arm, an active block and a driven block, the driving rod connects the active block and the driven block, the buffer arm is connected to the active block, the buffer arm is connected to the retaining frame, the active block and the driven block are fixed on the outer shell, and the active block and the driven block are connected to the long connecting rod and the short connecting rod.

[0008] Further, the mounting block structure includes: an inner mounting block, an outer mounting block, a movable block and a guide shaft, the top and bottom of the inner mounting block and the outer mounting block are connected to the movable plate through the guide shaft, the bottom of the inner mounting block is connected to the slider, and the bottom of the outer mounting block is connected to the slider through the movable block.

[0009] Furthermore, the inner mounting block and the outer mounting block include: a limit block, an upper adjusting knob, a limit protrusion, a lead screw, a lower adjusting knob and a threaded sleeve, the limit block is arranged in the mounting groove of the inner mounting block, the upper adjusting knob is arranged at the top end of the lead screw, the lead screw is provided with a limit protrusion, the lead screw is insertedly connected with the threaded sleeve when in use, the lower adjusting knob is connected with the top end of the threaded sleeve, and the threaded sleeve is insertedly connected with the mounting groove of the inner mounting block.

[0010] Beneficial effects of the utility model:

[0011] Compared with the traditional technology, the utility model adopts parallel edge sealing, which can avoid the difference in melting point time and edge sealing pressure in the whole edge sealing process and improve the sealing strength. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 A schematic diagram of the structure of the installation block.

[0014] Figure 3 Schematic diagram of the structure of the inner installation block.

[0015] Figure 4 Schematic diagram of the exploded structure of the inner installation block.

[0016] Reference numerals:

[0017] The housing 100 , the base 200 , the guide rail 210 and the slider 220 .

[0018] The mounting frame 300 , the retaining frame 400 , the long connecting rod 500 , the short connecting rod 600 , the driving structure 700 , the driving rod 710 , the buffer arm 720 , the active block 730 and the driven block 740 .

[0019] The movable plate 800 , the mounting block structure 900 , the inner mounting block 910 , the limiting block 911 , the upper adjusting knob 912 , the limiting protrusion 913 , the lead screw 914 , the lower adjusting knob 915 and the threaded sleeve 916 .

[0020] The outer mounting block 920 , the movable block 930 , the guide shaft 940 and the sealing block 1000 . DETAILED DESCRIPTION

[0021] The following is a further description of the present invention in conjunction with specific embodiments. It should be understood that the following embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0022] Example 1

[0023] Figure 1 It is a structural schematic diagram of the utility model. Figure 2 A schematic diagram of the structure of the installation block. Figure 3 Schematic diagram of the structure of the inner installation block. Figure 4 Schematic diagram of the exploded structure of the inner installation block.

[0024] like Figure 1-2 As shown, a horizontal packaging machine edge sealing mechanism includes: a shell 100, a base 200, a mounting frame 300, a retaining frame 400, a long connecting rod 500, a short connecting rod 600, a driving structure 700, a movable plate 800, a mounting block structure 900 and a sealing block 1000. The base 200 is fixed to the bottom of the shell 100, the mounting frame 300 and the retaining frame 400 are fixed to the inner side of the shell 100, the retaining frame 400 is connected to the driving structure 700, one end of the long connecting rod 500 and the short connecting rod 600 passes through the gap of the movable plate 800 and is connected to the mounting block structure 900, the other end of the long connecting rod 500 and the short connecting rod 600 is connected to the driving structure 700, the driving structure 700 is fixed on the mounting frame 300, the movable plate 800 is connected to the mounting block structure 900, the bottom of the mounting block structure 900 is connected to the base 200, and the inner side of the mounting block structure 900 is connected to the sealing block 1000.

[0025] A guide rail 210 is disposed on the base 200 , a slider 220 is disposed on the guide rail 210 , and the slider 220 is connected to the bottom of the mounting block structure 900 .

[0026] The driving structure 700 includes: a driving rod 710, a buffer arm 720, an active block 730 and a driven block 740, the driving rod 710 connects the active block 730 and the driven block 740, the buffer arm 720 is connected to the active block 730, the buffer arm 720 is connected to the retaining frame 400, the active block 730 and the driven block 740 are fixed on the housing 100, and the active block 730 and the driven block 740 are connected to the long connecting rod 500 and the short connecting rod 600.

[0027] The mounting block structure 900 includes: an inner mounting block 910, an outer mounting block 920, a movable block 930 and a guide shaft 940. The top and bottom of the inner mounting block 910 and the outer mounting block 920 are connected to the movable plate 800 through the guide shaft 940. The bottom of the inner mounting block 910 is connected to the slider 220. The bottom of the outer mounting block 920 is connected to the slider 220 through the movable block 930.

[0028] like Figure 3 and 4As shown, the inner mounting block 910 and the outer mounting block 920 include: a limit block 911, an upper adjusting knob 912, a limit protrusion 913, a lead screw 914, a lower adjusting knob 915 and a threaded sleeve 916. The limit block 911 is arranged in the mounting groove of the inner mounting block 910, the upper adjusting knob 912 is arranged at the top of the lead screw 914, the lead screw 914 is provided with a limit protrusion 913, the lead screw 914 is inserted and connected with the threaded sleeve 916 when in use, the lower adjusting knob 915 is connected with the top of the threaded sleeve 916, and the threaded sleeve 916 is inserted and connected with the mounting groove of the inner mounting block 910.

[0029] The principle of the utility model is that the buffer arm 720 is driven downward, the buffer arm 720 drives the active block 730, and then the active block 730 drives the driven block 740 to rotate through the driving rod 710, the active block 730 and the driven block 740 drive the two long connecting rods 500 and the two short connecting rods 600 to move simultaneously, the two long connecting rods 500 drive the inner mounting block 910 and the sealing block 1000 above it to move simultaneously, at the same time, the two short connecting rods 600 simultaneously drive the movable plate 800, the three guide shafts 940, the outer mounting block 920 and the sealing block 1000 to move simultaneously, so that the two upper sealing blocks 1000 and the two lower sealing blocks 1000 move towards each other to complete the edge sealing, and the upper and lower sealing blocks move in opposite directions. In summary, the use of parallel edge sealing can avoid the difference in the melting point time and edge sealing pressure of the entire edge sealing process, and improve the sealing strength.

[0030] On the other hand, the utility model also has an adjustment function, thereby increasing the scope of application of the mechanism. The principle is: turning the upper adjustment knob 912 drives the lead screw 914 to drive the lower sealing block 1000 to move to adjust its position, because the limiting protrusion 913 is provided with threads, and the limiting protrusion 913 cooperates with the limiting block 911 to limit the position of the lead screw 914. Turning the lower adjustment knob 915 drives the threaded sleeve 916 to rotate, and the threaded sleeve 916 is sleeved on the lead screw 914 and cooperates with the lead screw 914 to rotate, so that the threaded sleeve 916 drives the upper sealing block 1000 to move, and finally the upper and lower sealing blocks 1000 are adjusted to suit bags of different sizes.

[0031] The specific implementation modes of the present invention are described above, but the present invention is not limited thereto. The present invention can also have various changes without departing from the purpose of the present invention.

Claims

1. A horizontal packaging machine edge sealing mechanism, characterized in that: include: A housing (100), a base (200), a mounting frame (300), a retaining frame (400), a long connecting rod (500), a short connecting rod (600), a driving structure (700), a movable plate (800), a mounting block structure (900) and a sealing block (1000), wherein the base (200) is fixed to the bottom of the housing (100), the mounting frame (300) and the retaining frame (400) are fixed to the inner side of the housing (100), the retaining frame (400) is connected to the driving structure (700), and the long connecting rod (500) is fixed to the inner side of the housing (100). 0) and one end of the short connecting rod (600) pass through the gap of the movable plate (800) and are connected to the mounting block structure (900), the other ends of the long connecting rod (500) and the short connecting rod (600) are connected to the driving structure (700), the driving structure (700) is fixed on the mounting frame (300), the movable plate (800) is connected to the mounting block structure (900), the bottom of the mounting block structure (900) is connected to the base (200), and the inner side of the mounting block structure (900) is connected to the sealing block (1000).

2. The edge sealing mechanism of a horizontal packaging machine according to claim 1, characterized in that: A guide rail (210) is provided on the base (200), a slider (220) is provided on the guide rail (210), and the slider (220) is connected to the bottom of the mounting block structure (900).

3. The edge sealing mechanism of a horizontal packaging machine according to claim 1, characterized in that: The driving structure (700) comprises: a driving rod (710), a buffer arm (720), an active block (730) and a driven block (740); the driving rod (710) connects the active block (730) and the driven block (740); the buffer arm (720) is connected to the active block (730); the buffer arm (720) is connected to a retaining frame (400); the active block (730) and the driven block (740) are fixed to a housing (100); and the active block (730) and the driven block (740) are connected to a long connecting rod (500) and a short connecting rod (600).

4. The edge sealing mechanism of a horizontal packaging machine according to claim 2, characterized in that: The mounting block structure (900) comprises: an inner mounting block (910), an outer mounting block (920), a movable block (930) and a guide shaft (940); the top and bottom of the inner mounting block (910) and the outer mounting block (920) are connected to the movable plate (800) via the guide shaft (940); the bottom of the inner mounting block (910) is connected to the slider (220); and the bottom of the outer mounting block (920) is connected to the slider (220) via the movable block (930).

5. The edge sealing mechanism of a horizontal packaging machine according to claim 4, characterized in that: The inner mounting block (910) and the outer mounting block (920) comprise: a limit block (911), an upper adjustment knob (912), a limit convex block (913), a lead screw (914), a lower adjustment knob (915) and a threaded sleeve (916); the limit block (911) is arranged in the mounting groove of the inner mounting block (910); the upper adjustment knob (912) is arranged at the top end of the lead screw (914); the lead screw (914) is provided with a limit convex block (913); when in use, the lead screw (914) is plug-connected with the threaded sleeve (916); the lower adjustment knob (915) is connected to the top end of the threaded sleeve (916); and the threaded sleeve (916) is plug-connected with the mounting groove of the inner mounting block (910).

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