Automatic opening and closing jig for aluminum foil bag

Abstract

This utility model discloses an automatic opening and closing fixture for aluminum foil bags, including a left bag clamping assembly and a right bag clamping assembly. A limiting component is provided between the left and right bag clamping assemblies. The left and right bag clamping assemblies are connected to a linear slide rail via a slider. The linear slide rail is mounted on a base plate, and the limiting component is also mounted on the base plate. This automatic opening and closing fixture for aluminum foil bags can automatically adapt to the tightening force when the aluminum foil bag is tightened, improving the flatness of the bag opening and facilitating subsequent sealing. This utility model can control the movement of the left and right bag clamping assemblies via a drive, enabling the opening and tightening of packaging bags of different sizes.

Description

Technical Field

[0001] This utility model relates to the field of food packaging technology, and in particular to an automatic opening and closing fixture for aluminum foil bags. Background Technology

[0002] The incoming aluminum foil bags have very poor dimensional consistency, and they are not suitable for direct automation without processing. Currently, there are various types of packaging bag opening and closing fixtures, but there is no fixture that can automatically adapt to different bag sizes. Existing packaging bag opening and closing fixtures are mainly fixed-stroke opening and closing fixtures, which require manual assistance to switch between different bags and cannot automatically adapt to the tension. Summary of the Invention

[0003] In order to overcome the shortcomings and deficiencies of the existing technology, the purpose of this utility model is to provide an automatic opening and closing fixture for aluminum foil bags.

[0004] The purpose of this utility model is achieved through the following technical solution: an automatic opening and closing fixture for aluminum foil bags, including a left bag clamping assembly and a right bag clamping assembly, a limiting component is provided between the left bag clamping assembly and the right bag clamping assembly, the left bag clamping assembly and the right bag clamping assembly are connected to a linear slide rail by a slider, the linear slide rail is mounted on a base plate, and the limiting component is mounted on the base plate.

[0005] As an improvement of the automatic opening and closing fixture for aluminum foil bags of this utility model, both the left bag clamping assembly and the right bag clamping assembly include a fixed clamping assembly and a movable clamping assembly, and the fixed clamping assembly is mounted on a mounting plate.

[0006] The fixing clamping assembly includes a fixing clamp plate, one end of which is provided with a fixing seat, the fixing seat being fixed to the mounting plate, and the other end of which is provided with a fixing clamping block;

[0007] The movable clamping assembly includes a movable clamping plate and a rotatable adapter block. One end of the movable clamping plate is movably connected to the adapter block, and the other end of the movable clamping plate is provided with a movable clamping block. The movable clamping block is movably hinged to the end of the fixed clamping plate, and a baffle is provided on one side of the movable clamping block.

[0008] As an improvement of the automatic opening and closing fixture for aluminum foil bags of this utility model, the adapter block is square, a push block is provided at the first corner of the adapter block, a spring connecting seat is provided at the second corner of the adapter block, one end of the movable clamping plate is movably connected to the third corner of the adapter block by a pin, a positioning shaft is provided at the fourth corner of the adapter block, the positioning shaft is rotatably connected to the mounting plate, one end of the spring is connected to the spring connecting seat, and the other end of the spring is connected to the fixed seat.

[0009] As an improvement of the automatic opening and closing fixture for aluminum foil bags of this utility model, the fixed clamping block is L-shaped, and a first clamping surface is provided on one side of the fixed clamping block. A plurality of first protrusions are spaced apart on the first clamping surface. The movable clamping block has a hinge part and a clamping part. The hinge part is L-shaped, and the clamping part is horizontally arranged on the side of one end of the hinge part. A second clamping surface is provided on the clamping part, and a plurality of second protrusions are spaced apart on the second clamping surface.

[0010] An external force pushes the push block to rotate the adapter block, the rotating adapter block pushes the movable clamping plate, the movable clamping plate pushes the movable clamping block to rotate, and the rotating movable clamping block clamps the aluminum foil bag with the fixed clamping block.

[0011] As an improvement of the automatic opening and closing fixture for aluminum foil bags of this utility model, a first limiting toothed rack is provided at the bottom of one end of the mounting plate. The first limiting toothed rack cooperates with the limiting component to restrict the movement of the left bag clamping component and the right bag clamping component.

[0012] As an improvement of the automatic opening and closing fixture for aluminum foil bags of this utility model, the limiting component includes a rotating block mounting base, a rotating block and a rack mounting plate. The middle part of the rotating block is rotatably connected to the rotating block mounting base by a shaft pin. A torsion spring is sleeved on the shaft pin. The rack mounting plate is connected to one end of the rotating block. Two second limiting racks are provided at intervals on one side of the rack mounting plate.

[0013] As an improvement of the automatic opening and closing fixture for aluminum foil bags of this utility model, when the rotating block is pressed by external force, the rotating block causes the rack mounting plate to tilt upward, the second limiting rack separates from the first limiting rack, and the left bag clamping assembly and the right bag clamping assembly can move along the linear slide rail;

[0014] When the pressing force disappears, the rotating block is reset by the elastic force of the torsion spring, and the second limiting rack engages with the first limiting rack to restrict the movement of the left and right bag clamping assemblies.

[0015] The beneficial effects of this utility model are as follows: This automatic aluminum foil bag opening and closing fixture can automatically adapt to the tightening force when tightening the aluminum foil bag, improving the flatness of the bag opening and facilitating subsequent sealing. This utility model can open and tighten packaging bags of different sizes by driving and controlling the movement of the left and right bag clamping components. Attached Figure Description

[0016] Figure 1 This is a perspective view of the present invention;

[0017] Figure 2 This is a top view of the present invention;

[0018] Figure 3 This is a side view of the present invention;

[0019] The attached figures are labeled as follows: 1. Left bag clamping assembly; 2. Right bag clamping assembly; 3. Limiting assembly; 4. Slider; 5. Linear slide rail; 6. Base plate; 7. Fixed clamping assembly; 8. Movable clamping assembly; 9. Mounting plate; 10. First limiting rack; 31. Rotating block mounting seat; 32. Rotating block; 33. Rack mounting plate; 34. Second limiting rack; 71. Fixed clamping plate; 72. Fixed seat; 73. Fixed clamping block; 74. First clamping surface; 81. Movable clamping plate; 82. Spring; 83. Adapter block; 84. Movable clamping block; 85. Baffle; 86. Pushing block; 87. Spring connecting seat; 88. Pin; 89. Positioning pivot; 841. Hinge; 842. Clamping part; 843. Second clamping surface. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0021] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0022] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. If the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0023] like Figures 1-3As shown, an automatic opening and closing fixture for aluminum foil bags includes a left bag clamping assembly 1 and a right bag clamping assembly 2. A limiting component 3 is provided between the left bag clamping assembly 1 and the right bag clamping assembly 2. The left bag clamping assembly 1 and the right bag clamping assembly 2 are connected to a linear slide rail 5 by a slider 4. The linear slide rail 5 is mounted on a base plate 6, and the limiting component 3 is mounted on the base plate 6.

[0024] Preferably, both the left clamping bag assembly 1 and the right clamping bag assembly 2 include a fixed clamping assembly 7 and a movable clamping assembly 8, with the fixed clamping assembly 7 mounted on a mounting plate 9;

[0025] The fixed clamping assembly 7 includes a fixed clamping plate 71, one end of the fixed clamping plate 71 is provided with a fixed seat 72, the fixed seat 72 is fixed on the mounting plate 9, and the other end of the fixed clamping plate 71 is provided with a fixed clamping block 73.

[0026] The movable clamping assembly 8 includes a movable clamping plate 81 and a rotatable adapter block 83. One end of the movable clamping plate 81 is movably connected to the adapter block 83, and the other end of the movable clamping plate 81 is provided with a movable clamping block 84. The movable clamping block 84 is movably hinged to the end of the fixed clamping plate 71, and a baffle 85 is provided on one side of the movable clamping block 84.

[0027] Preferably, the adapter block 83 is square, with a push block 86 at the first corner, a spring connecting seat 87 at the second corner, one end of the movable clamping plate 81 being movably connected to the third corner of the adapter block 83 via a pin 88, and a positioning shaft 89 at the fourth corner of the adapter block 83. The positioning shaft 89 is rotatably connected to the mounting plate 9, one end of the spring 82 is connected to the spring connecting seat 87, and the other end of the spring 82 is connected to the fixed seat 72.

[0028] Preferably, the fixed clamping block 73 is L-shaped, and a first clamping surface 74 is provided on one side of the fixed clamping block 73. A plurality of first protrusions are provided on the first clamping surface 74 at intervals. The movable clamping block 84 has a hinge part 841 and a clamping part 842. The hinge part 841 is L-shaped, and the clamping part 842 is horizontally arranged on the side of one end of the hinge part 841. A second clamping surface 843 is provided on the clamping part 842, and a plurality of second protrusions are provided on the second clamping surface 843 at intervals.

[0029] An external force pushes the push block 86, causing the transfer block 83 to rotate. The rotation of the transfer block 83 pushes the movable clamping plate 81, which in turn pushes the movable clamping block 84 to rotate. The movable clamping block 84 rotates and clamps the aluminum foil bag with the fixed clamping block 73.

[0030] Preferably, a first limiting rack 10 is provided at the bottom of one end of the mounting plate 9. The first limiting rack 10 cooperates with the limiting component 3 to restrict the movement of the left bag clamping component 1 and the right bag clamping component 2.

[0031] Preferably, the limiting component 3 includes a rotating block mounting base 31, a rotating block 32, and a rack mounting plate 33. The middle part of the rotating block 32 is rotatably connected to the rotating block mounting base 31 by a shaft pin. A torsion spring is sleeved on the shaft pin. The rack mounting plate 33 is connected to one end of the rotating block 32. Two second limiting racks 34 are spaced apart on one side of the rack mounting plate 33.

[0032] Preferably, when the external force presses the rotating block 32, the rotating block 32 causes the rack mounting plate 33 to tilt upward, the second limiting rack 34 separates from the first limiting rack 10, and the left bag clamping assembly 1 and the right bag clamping assembly 2 can move along the linear slide rail 5.

[0033] When the pressing force disappears, the rotating block 32 is driven to reset by the elastic force of the torsion spring, and the second limiting rack 34 engages with the first limiting rack 10 to restrict the movement of the left bag clamping assembly 1 and the right bag clamping assembly 2.

[0034] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and structure of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic opening and closing fixture for aluminum foil bags, characterized in that, It includes a left clamping bag assembly and a right clamping bag assembly, with a limiting component between the left clamping bag assembly and the right clamping bag assembly. The left clamping bag assembly and the right clamping bag assembly are connected to a linear slide rail by a slider. The linear slide rail is mounted on a base plate, and the limiting component is mounted on the base plate.

2. The automatic opening and closing fixture for aluminum foil bags according to claim 1, characterized in that, Both the left and right clamping bag assemblies include a fixed clamping assembly and a movable clamping assembly, with the fixed clamping assembly mounted on a mounting plate. The fixing clamping assembly includes a fixing clamping plate, one end of which is provided with a fixing seat, the fixing seat being fixed to the mounting plate, and the other end of which is provided with a fixing clamping block; The movable clamping assembly includes a movable clamping plate and a rotatable adapter block. One end of the movable clamping plate is movably connected to the adapter block, and the other end of the movable clamping plate is provided with a movable clamping block. The movable clamping block is movably hinged to the end of the fixed clamping plate, and a baffle is provided on one side of the movable clamping block.

3. The automatic opening and closing fixture for aluminum foil bags according to claim 2, characterized in that, The adapter block is square. A push block is provided at the first corner of the adapter block, and a spring connecting seat is provided at the second corner of the adapter block. One end of the movable clamp is movably connected to the third corner of the adapter block by a pin. A positioning shaft is provided at the fourth corner of the adapter block. The positioning shaft is rotatably connected to the mounting plate. One end of the spring is connected to the spring connecting seat, and the other end of the spring is connected to the fixed seat.

4. The automatic opening and closing fixture for aluminum foil bags according to claim 3, characterized in that, The fixed clamping block is L-shaped, and a first clamping surface is provided on one side of the fixed clamping block. A plurality of first protrusions are spaced apart on the first clamping surface. The movable clamping block has a hinge part and a clamping part. The hinge part is L-shaped, and the clamping part is horizontally arranged on the side of one end of the hinge part. A second clamping surface is provided on the clamping part, and a plurality of second protrusions are spaced apart on the second clamping surface. An external force pushes the push block to rotate the adapter block, the rotating adapter block pushes the movable clamping plate, the movable clamping plate pushes the movable clamping block to rotate, and the rotating movable clamping block clamps the aluminum foil bag with the fixed clamping block.

5. The automatic opening and closing fixture for aluminum foil bags according to claim 2, characterized in that, The mounting plate has a first limiting toothed rack at one end of its bottom. The first limiting toothed rack cooperates with the limiting component to restrict the movement of the left clamping bag component and the right clamping bag component.

6. The automatic opening and closing fixture for aluminum foil bags according to claim 5, characterized in that, The limiting assembly includes a rotating block mounting base, a rotating block, and a rack mounting plate. The middle part of the rotating block is rotatably connected to the rotating block mounting base via a shaft pin. A torsion spring is sleeved on the shaft pin. The rack mounting plate is connected to one end of the rotating block. Two second limiting racks are spaced apart on one side of the rack mounting plate.

7. The automatic opening and closing fixture for aluminum foil bags according to claim 6, characterized in that, When the rotating block is pressed by an external force, the rotating block causes the rack mounting plate to tilt upward, the second limiting rack separates from the first limiting rack, and the left bag clamping assembly and the right bag clamping assembly can move along the linear slide rail; When the pressing force disappears, the rotating block is reset by the elastic force of the torsion spring, and the second limiting rack engages with the first limiting rack to restrict the movement of the left and right bag clamping assemblies.

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