Vacuum sealing machine

Abstract

The utility model relates to the technical field of chocolate production and processing, in particular to a vacuum sealing machine which comprises a machine body, a vacuum cover used for closing a top opening is arranged at the top of the machine body, a vacuum chamber is arranged in the machine body, a clamping mechanism is arranged in the vacuum chamber, and a sealing mechanism is arranged between the vacuum chamber and the vacuum cover. The clamping mechanism is used for fixing a packaging bag and is matched with the sealing mechanism for sealing; wherein the sealing mechanism comprises a mounting part and sealing pieces, an adjusting assembly is arranged between the mounting part and the sealing pieces, the adjusting assembly is used for adjusting the distance between the sealing pieces on the upper side and the lower side, and the adjusting pieces are fixed in the mode that opening grooves are matched with arc-shaped grooves; and the adjusting piece abuts against the supporting rod through left-right transverse movement to adjust the height of the supporting plate in a sliding mode, the supporting plate compresses the compression spring, then the thrust of the compression spring is adjusted to support the sealing piece, and the situation that the sealing effect is poor due to the fact that the clamping force on the packaging bag is not appropriate is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to chocolate production processing technical field especially relates to a vacuum sealing machine. BACKGROUND

[0002] The vacuum sealing machine is the equipment commonly used in food packaging, mainly used for removing the air in the packaging, creating a vacuum environment, thereby prolonging the shelf life of food and preventing food oxidation, and the equipment is widely applied to food industry, especially for the packaging of perishable food.

[0003] The air in the packaging bag is pressed out through the vacuum packaging machine to prolong the shelf life of chocolate, such as the prior art disclosed in Chinese patent publication No. "CN214629613U" discloses a chocolate production line with multi-stage vacuum hole forming device, which aims to provide a chocolate production line without air inflation, easy demolding, removing pouring air bubbles and low production cost.

[0004] And the prior art Chinese patent publication No. "CN216186327U" discloses a vacuum sealing machine, which comprises a base and a sealing cover, the base is provided with a vacuum chamber and a vacuum pump, the vacuum chamber is provided with an electric heating sealing strip, the sealing cover is provided with a pressing strip matched with the electric heating sealing strip, the base is provided with a control circuit, the control circuit is electrically connected with the vacuum pump, the control circuit comprises an electric heating wire arranged on the electric heating sealing strip, and the electric heating wire is connected with a 220-volt power supply.

[0005] In the specific operation, the air in the packaging bag for packaging chocolate can be discharged through the vacuum device, and the vacuum device seals the packaging bag through the electric heating strip. Considering that different clamping forces are needed between packaging bags of different thicknesses and the electric heating strip, excessive clamping force leads to excessive contact between the packaging bag and the electric heating strip, resulting in melting, and small clamping force leads to poor sealing efficiency. The clamping force cannot be adjusted at low cost and conveniently, and the practicability is poor. UTILITY MODEL CONTENTS

[0006] The utility model aims at solving the above-mentioned shortcomings in the prior art that the clamping force of the packaging bag cannot be adjusted at low cost and conveniently, and provides a vacuum sealing machine.

[0007] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0008] The utility model designs a vacuum sealing machine, which comprises a machine body, a vacuum cover for closing the top opening of the machine body, a vacuum chamber arranged in the machine body, a clamping mechanism arranged in the vacuum chamber, and a sealing mechanism arranged between the vacuum chamber and the vacuum cover, wherein the clamping mechanism is used for fixing a packaging bag and cooperating with the sealing mechanism to seal the packaging bag.

[0009] The sealing mechanism comprises a mounting portion and a sealing piece, and an adjusting assembly is arranged between the mounting portion and the sealing piece, which is used for adjusting the distance between the upper and lower sealing pieces.

[0010] Further, the adjusting assembly comprises a support plate, the top and side of the mounting portion extend inwardly to form a sliding groove and a receiving groove respectively, the support plate is slidingly connected in the sliding groove, and a support rod arranged at the bottom of the support plate penetrates the mounting portion and extends into the receiving groove.

[0011] Further, the sealing mechanism further comprises a sealing strip, the mounting portion extends inwardly to form an extension portion on both sides of the opening of the sliding groove, the sealing strip is slidingly connected in the sliding groove, and the sealing strip further abuts against the extension portion through the extension portions on both sides of the bottom;

[0012] The sealing strip is in a convex structure, and a guide rod is fixedly connected to the bottom of the sealing strip, and the guide rod penetrates the support plate and the mounting portion in sequence.

[0013] Further, the adjusting assembly further comprises an adjusting piece, the adjusting piece is in a wedge structure and is slidingly connected in the receiving groove, the free end of the support rod abuts against and slides along the wedge surface of the adjusting piece, and a compression spring is sleeved between the guide rod and the support plate and the sealing strip.

[0014] Further, the mounting portion is provided with an opening groove with communicating side edges, and a plurality of arc grooves are arranged on the upper and lower sides of the opening groove along the length direction, the adjusting piece is provided with a connecting rod on both sides, and the connecting rod abuts against and slides along the arc grooves and is clamped.

[0015] Further, the clamping mechanism comprises a mounting seat, the mounting seat is rotationally connected with a pressing rod through a reset piece, the sealing piece is fixedly connected to the top of the sealing strip, and the mounting seat cooperates with the pressing rod to fix the packaging bag on the sealing piece.

[0016] The utility model provides a kind of vacuum sealing machine, beneficial effect lies in: the utility model is fixed to the adjusting piece by the way of opening slot cooperation arc slot, and adjusting piece is adjusted the height of support plate by left and right horizontal shift and support rod resistance sliding, and the push of adjusting compression spring by support plate in turn is supported to sealing piece, it can be adjusted according to the thickness of packaging bag the distance between the sealing piece of upper and lower two sides, avoid the clamping force of packaging bag is not suitable to lead to the poor sealing effect, in addition, it is provided with clamping mechanism, packaging bag is clamped by the way of mutually cooperating installation seat and pressure rod, prevent packaging bag from sliding and affect sealing efficiency and quality. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structural schematic diagram of the utility model;

[0018] Figure 2 It is Figure 1 the A area amplification structural schematic diagram of;

[0019] Figure 3 It is the section view of the sealing mechanism of the utility model;

[0020] Figure 4 It is the section view of the adjusting assembly of the utility model;

[0021] Figure 5 It is the structural schematic diagram of opening slot.

[0022] In the drawing: 1, machine body;11, vacuum chamber;2, vacuum cover;3, clamping mechanism;31, mounting seat;32, pressure rod;4, sealing mechanism;41, mounting portion;411, sliding groove;412, accommodating groove;413, opening slot;414, arc slot;415, extension;42, sealing piece;43, sealing strip;44, guide rod;5, adjusting assembly;51, support plate;52, support rod;53, adjusting piece;531, connecting rod;54, compression spring. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely in connection with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0024] Referring to Figures 1-5 , a kind of vacuum sealing machine, including machine body 1, the top of the machine body 1 is equipped with the vacuum cover 2 for closing top opening, be equipped with vacuum chamber 11 in the machine body 1, vacuum chamber 11 is equipped with clamping mechanism 3, and vacuum chamber 11 and the vacuum cover 2 between are equipped with sealing mechanism 4, the clamping mechanism 3 is used to fix packaging bag, and cooperate with the sealing mechanism 4 and seal;

[0025] The sealing mechanism 4 comprises a mounting portion 41 and a sealing piece 42, and an adjusting assembly 5 is arranged between the mounting portion 41 and the sealing piece 42, and the adjusting assembly 5 is used for adjusting the distance between the sealing piece 42 on the upper side and the lower side.

[0026] It should be noted that the vacuum device is arranged in the interior of the body 1, and the output end of the vacuum device is communicated with the vacuum chamber 11, and after the vacuum chamber 11 is closed by the vacuum cover 2, the interior of the packaging bag can be vacuumized by the vacuum device.

[0027] Of course, in some embodiments, the sealing mechanism 4 arranged in the vacuum cover 2 can also be replaced by a rubber pressing block, and the rubber pressing block cooperates with the sealing piece 42 to heat seal the packaging bag by abutting against each other, and the adjusting assembly 5 is arranged for adjusting the abutting force of the sealing piece 42 on the packaging bag after abutting against each other, so as to adapt to packaging bags with different thicknesses.

[0028] Further, the adjusting assembly 5 comprises a support plate 51, the top and side of the mounting portion 41 extend inwardly to form a sliding groove 411 and a receiving groove 412 respectively, the support plate 51 is slidingly connected in the sliding groove 411, and a support rod 52 arranged at the bottom of the support plate 51 penetrates the mounting portion 41 and extends into the receiving groove 412.

[0029] Further, the sealing mechanism 4 further comprises a sealing strip 43, the mounting portion 41 extends inwardly to form an extension portion 415 on both sides of the opening of the sliding groove 411, the sealing strip 43 is slidingly connected in the sliding groove 411, and the sealing strip 43 further abuts against the extension portion 415 through the extension portions on both sides of the bottom.

[0030] The sealing strip 43 is in a convex structure, and a guide rod 44 is fixedly connected to the bottom of the sealing strip 43, and the guide rod 44 penetrates the support plate 51 and the mounting portion 41 in sequence.

[0031] In some embodiments, the sealing strip 43 is preferably made of high-temperature resistant material, and an insulating layer is further arranged between the sealing strip 43 and the sealing piece 42, and the sealing piece 42 is a heating sheet connected with an external power supply.

[0032] More specifically, the adjusting assembly 5 further comprises an adjusting piece 53, the adjusting piece 53 is in a wedge structure and is slidingly connected in the receiving groove 412, the free end of the support rod 52 abuts against and slides on the wedge surface of the adjusting piece 53, and a compression spring 54 is sleeved between the guide rod 44 and the support plate 51 and the sealing strip 43.

[0033] In the specific operation, the support rod 52 is arranged in the dislocation position of the guide rod 44, the extension part 415 is used for stopping the sealing strip 43, the protruding part of the sealing strip 43 is provided with the sealing element 42, and extends to the periphery of the mounting part 41, so as to ensure that the packaging bag can be placed on the sealing element 42;

[0034] The compression spring 54 can provide support force for the sealing element 42, so as to avoid the downward movement of the sealing element 42, and the adjusting element 53 drives the support rod 52 to move to drive the support plate 51 to rise, the support plate 51 rises and compresses the compression spring 54, and the compression spring 54 is compressed to adjust the pressing force between the sealing element 42 and the packaging bag.

[0035] In general, the two sides of the mounting part 41 are provided with the open slot 413 connected with the side, and a plurality of arc-shaped slots 414 are arranged on the upper and lower sides of the open slot 413 along the length direction, the two sides of the adjusting element 53 are provided with the connecting rod 531, and the connecting rod 531 is in sliding contact with the arc-shaped slot 414 and is clamped.

[0036] Specifically, the upper and lower corresponding arc-shaped slots 414 are in circular structure, the circular space is matched with the diameter of the connecting rod 531, the connecting rod 531 is clamped and fixed through the arc-shaped slot 414, and the connecting rod 531 can slide in contact with the open slot 413 and the arc-shaped slot 414, so as to adjust the position of the adjusting element 53.

[0037] Further, one end of the adjusting element 53 extends to the periphery of the mounting part 41, and a recessed groove is arranged at the top, so that the adjusting element 53 can be pulled out through the recessed groove.

[0038] Finally, the clamping mechanism 3 comprises a mounting seat 31, the mounting seat 31 is rotationally connected with a pressing rod 32 through a reset element, the sealing element 42 is fixedly connected to the top of the sealing strip 43, and the mounting seat 31 cooperates with the pressing rod 32 to fix the packaging bag on the sealing element 42.

[0039] Specifically, the reset element is a torsion spring, the pressing rod 32 is in U-shaped structure, the torsion spring is sleeved on the two bent ends of the pressing rod 32, and the pressing rod 32 is supported through the contact with the mounting seat 31, and the pressing rod 32 is clamped on the packaging bag opening under the action of the torsion spring and cooperates with the mounting seat 31.

[0040] The height of the sealing element 42 should be higher than the mounting seat 31, or the pressing block arranged in the vacuum cover 2 has sufficient length, and when the pressing block is in contact with the sealing element 42, the packaging bag can be clamped.

[0041] Working mode; when working, the chocolate-filled packaging bag is prevented on the sealing member 42, the pressing rod 32 is matched with the mounting base 31 to clamp the packaging bag under the action of the torsion spring, after the vacuum cover 2 is closed, the vacuum device discharges the gas in the packaging bag, and the packaging bag mouth is hot-pressed through the pressing block and the sealing member 42;

[0042] It is also needed to adjust the abutting force of the sealing member 42 according to the packaging bags with different thicknesses, the connecting rod 531 slides by abutting the opening slot 413 and the arc-shaped slot 414, the position of the adjusting member 53 is adjusted, the adjusting member 53 drives the supporting rod 52 to move, the supporting plate 51 is lifted, the supporting plate 51 is lifted and the compression spring 54 is compressed, the abutting force between the sealing member 42 and the packaging bag is adjusted by changing the compression spring 54.

[0043] The above is only the preferred specific implementation mode of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vacuum sealer comprising a body (1), characterized in that: The top of the machine body (1) is provided with a vacuum cover (2) for closing the top opening, a vacuum chamber (11) is arranged in the machine body (1), a clamping mechanism (3) is arranged in the vacuum chamber (11), and a sealing mechanism (4) is arranged between the vacuum chamber (11) and the vacuum cover (2), the clamping mechanism (3) is used for fixing the packaging bag, and the sealing mechanism (4) is used for sealing. The sealing mechanism (4) comprises a mounting portion (41) and a sealing piece (42), and an adjusting assembly (5) is arranged between the mounting portion (41) and the sealing piece (42), and the adjusting assembly (5) is used for adjusting the distance between the sealing piece (42) on the upper side and the lower side.

2. A vacuum sealer according to claim 1, characterized in that: The adjusting assembly (5) comprises a support plate (51), the top and the side of the mounting portion (41) extend inwardly to form a sliding groove (411) and a containing groove (412) respectively, the support plate (51) is slidingly connected in the sliding groove (411), and a support rod (52) arranged at the bottom of the support plate (51) penetrates the mounting portion (41) and extends into the containing groove (412).

3. A vacuum sealer as claimed in claim 2, wherein: The sealing mechanism (4) further comprises a sealing strip (43), the mounting portion (41) extends inwardly to form an extension portion (415) on both sides of the opening of the sliding groove (411), the sealing strip (43) is slidingly connected in the sliding groove (411), and the sealing strip (43) further abuts against the extension portion (415) through the extension portions on both sides of the bottom; The sealing strip (43) is in convex structure, and a guide rod (44) is fixedly connected to the bottom of the sealing strip (43), and the guide rod (44) penetrates the support plate (51) and the mounting portion (41) in sequence.

4. A vacuum sealer according to claim 3, wherein: The adjusting assembly (5) further comprises an adjusting piece (53) in wedge structure, which is slidingly connected in the containing groove (412), and the free end of the support rod (52) abuts against and slides along the wedge surface of the adjusting piece (53), wherein the periphery of the guide rod (44) is sleeved with a compression spring (54) between the support plate (51) and the sealing strip (43).

5. A vacuum sealer as claimed in claim 4, wherein: The mounting portion (41) is provided with an opening groove (413) communicating with the side edges, and a plurality of arc grooves (414) are arranged on the upper side and the lower side of the opening groove (413) along the length direction, and connecting rods (531) are arranged on both sides of the adjusting piece (53), and the connecting rods (531) abut against and slide in the arc grooves (414) and are clamped.

6. A vacuum sealer according to claim 4, wherein: The clamping mechanism (3) comprises a mounting seat (31), the mounting seat (31) is rotationally connected with a pressing rod (32) through a reset piece, the sealing piece (42) is fixedly connected to the top of the sealing strip (43), and the mounting seat (31) fixes the packaging bag on the sealing piece (42) in cooperation with the pressing rod (32).

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