A vacuum sealing packaging machine

Abstract

The present invention relates to the technical field of packaging equipment, and specifically to a vacuum sealing packaging machine, comprising a packaging machine body, wherein a sealing door is hingedly connected to the upper end surface of the packaging machine body near the rear end, a vacuum pump is arranged on the right outer surface of the packaging machine body, and the vacuum pump is interconnected with the interior of the packaging machine body, and a driving mechanism is arranged near the top of the interior of the packaging machine body. The device structure can not only automatically clamp and fix the bag opening of the sealing bag, and perform positioning, thereby ensuring that the heating strip can be aligned with the bag opening of the sealing bag, thereby ensuring that the sealing position will not be offset during sealing; it can also drive the clamping assembly to clamp the two sides of the bag opening of the sealing bag and move them to the left and right sides respectively, so that the bag opening of the sealing bag is in a tensioned state, thereby preventing the bag opening of the sealing bag from wrinkling and affecting the heating strip from sealing it, thereby greatly improving the sealing effect of the sealing bag.

Description

Technical Field

[0001] The invention relates to the technical field of packaging equipment, in particular to a vacuum sealing packaging machine. Background Art

[0002] The vacuum packaging machine can automatically extract the air in the packaging bag and complete the sealing process after reaching the predetermined vacuum degree. The vacuum packaging technology originated in the 1940s. In 1950, polyester and polyethylene plastic films were successfully used for vacuum packaging, and since then, vacuum packaging has developed rapidly. Vacuum packaging machines are often used in the food industry because after vacuum packaging, the food can resist oxidation and achieve the purpose of long-term preservation. With the promotion of vacuum packaging and the development of supermarkets, its scope of application is becoming more and more extensive;

[0003] However, the transmission vacuum sealing packaging machine has a poor sealing effect when in use. It is extremely troublesome to use when packaging vacuum bags of different sizes, and wrinkles are easily generated at the seams, thereby affecting the sealing effect of the vacuum bag, causing leakage and causing trouble to the user.

[0004] Therefore, a vacuum sealing packaging machine is proposed. Summary of the invention

[0005] The object of the present invention is to provide a vacuum sealing packaging machine to solve the problems raised in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a vacuum sealing packaging machine, comprising a packaging machine body, a sealing door is hingedly connected to the upper end surface of the packaging machine body near the rear end, a vacuum pump is arranged on the right outer surface of the packaging machine body, and the vacuum pump is connected to the inside of the packaging machine body;

[0007] A driving mechanism is arranged inside the packaging machine body near the top.

[0008] Preferably, a hydraulic push rod is fixedly connected to the bottom end of the inner surface of the packaging machine body in a left-right symmetrical manner, and a support plate is fixedly connected to the top end of the hydraulic push rod.

[0009] Preferably, positioning strips are provided at the center of the left and right sides of the inner surface of the packaging machine body near the top, and the positioning strips are designed as an inverted L-shaped structure.

[0010] Preferably, a positioning block is fixedly connected to the center of the left and right sides of the inner surface of the packaging machine body near the position below the positioning bar, and a screw rod 3 is rotatably connected to the center of the upper end surface of the positioning block through a bearing;

[0011] The screw rods three penetrate the positioning bars, and the two are connected by spiral transmission.

[0012] Preferably, the driving mechanism comprises a screw rod, a motor, a slide slot, a slider, and a clamping assembly;

[0013] The inner surface of the packaging machine body is connected to a screw rod 1 at positions near the top on both front and rear sides through bearings for symmetrical rotation. The threads on the front and rear sides of the outer surface of the screw rod 1 are in opposite directions, and its rear end penetrates the rear wall of the packaging machine body, and the outer surface of the rear end of the packaging machine body is fixedly connected to a motor 1 at positions corresponding to the two screw rods, and the output shaft of the motor 1 is fixedly connected to the screw rod 1. The inner surface of the packaging machine body is provided with a slide groove 1 at positions corresponding to the screw rod 1 on both sides, and the outer surface of the screw rod 1 near the front and rear ends is spirally connected to a slider 1, and the outer surfaces of the four groups of sliders on the opposite sides are fixedly connected to a clamping assembly.

[0014] Preferably, the clamping assembly comprises a fixed block, a second slide groove, a second slide block, a third slide groove, a slide cylinder, a first spring, a clamping block, and a second spring;

[0015] The outer surfaces of the four groups of sliders 1 on the opposite sides are fixedly connected with fixed blocks, the outer surface of the fixed block close to the center of the packaging machine body is provided with a slide groove 2, the inner surface of the slide groove 2 is symmetrically slidably connected with sliders 2 on the left and right sides, the outer surface of the slider 2 close to the center of the packaging machine body is provided with a slide groove 3, the inner surface of the slide groove 3 is slidably connected with a slide cylinder, the outer surfaces of the opposite sides of the slide cylinder are fixedly connected with a spring 1, and the other end of the spring 1 is fixedly connected to the slider 2, the inner surface of the slide cylinder is slidably connected with a clamping block, the outer surface of the clamping block close to the slide cylinder is fixedly connected with a spring 2, and the other end of the spring 2 is fixedly connected to the slide cylinder.

[0016] Preferably, the left and right sides of the inner surface of the second slide groove are rotatably connected to the second screw rod via bearings at positions away from the slide cylinder, and the left and right sides of the outer surface of the second screw rod have opposite thread directions;

[0017] The right end thereof passes through the fixed block, the upper end surface of the slider one is fixedly connected with the motor two, and the output shaft of the motor two is fixedly connected with the screw rod two, and the screw rod two passes through the slider two and is connected with the screw rod two in a spiral transmission.

[0018] Preferably, the outer surfaces of the two groups of slide cylinders near the rear and away from the center of the fixed block are fixedly connected with magnet blocks 1;

[0019] The inner surfaces of the two groups of slide grooves three near the front are fixedly connected with magnet blocks two on one side away from the center of the fixed block, and the length of the magnet blocks two is equal to three times the width of the slide grooves three.

[0020] Preferably, the outer surfaces of the two groups of fixing blocks on one side opposite to each other are fixedly connected with clamping strips near the bottom ends, and the clamping strips are made of rubber material, and the width of the clamping strips is smaller than the length of the clamping blocks.

[0021] Preferably, a heating strip is fixedly connected to the outer surface of one opposite side of the two groups of fixing blocks near the top of the clamping strip, and the heating strip and the clamping strip are designed to be parallel.

[0022] Compared with the prior art, the present invention has the following beneficial effects:

[0023] 1. By adding a driving mechanism and a clamping assembly to the device, the bag opening of the sealed bag can be automatically clamped and fixed for positioning, ensuring that the heating strip can be aligned with the bag opening of the sealed bag, thereby ensuring that the sealing position will not be offset; greatly improving the sealing effect of the sealed bag.

[0024] 2. By adding magnet block 1 and magnet block 2 to the device, when the two magnet blocks are close to each other, magnet block 2 can attract magnet block 1 to move towards magnet block 2, thereby driving the clamping assembly to clamp the two sides of the sealing bag and move to the left and right sides respectively, so that the sealing bag opening is in a tensioned state, thereby preventing wrinkles from occurring at the sealing bag opening and affecting the sealing of the heating strip, greatly improving the sealing effect of the sealing bag, eliminating the need for manual processing, and saving a lot of manpower and material resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the present invention or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is the overall structural view of the present invention;

[0027] Figure 2 is a top cross-sectional view of the driving mechanism of the present invention;

[0028] Figure 3 For the present invention Figure 2 Middle AA section view;

[0029] Figure 4 For the present invention Figure 3 Enlarged view at B in the middle;

[0030] Figure 5 For the present invention Figure 4 Middle CC section view;

[0031] Figure 6 It is a cross-sectional view of the combination of the screw rod 2 and the slider 2 of the present invention;

[0032] Figure 7 It is a cross-sectional view of the combination of the slider 2 and the magnet block 2 of the present invention;

[0033] Figure 8 It is a side sectional view of the positioning strip of the present invention.

[0034] Description of reference numerals:

[0035] 1. Packaging machine body; 2. Sealing door; 3. Vacuum pump; 4. Driving mechanism; 41. Screw rod 1; 42. Motor 1; 43. Slide slot 1; 44. Slider 1; 5. Clamping assembly; 51. Fixed block; 52. Slide slot 2; 53. Slider 2; 54. Slide slot 3; 55. Slide; 56. Spring 1; 57. Clamping block; 58. Spring 2; 61. Screw rod 2; 62. Motor 2; 71. Magnet block 1; 72. Magnet block 2; 8. Clamping strip; 9. Heating strip; 10. Hydraulic push rod; 101. Support plate; 11. Positioning strip; 111. Positioning block; 112. Screw rod 3. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] See also Figures 1 to 8 , the present invention provides a technical solution:

[0038] A vacuum sealing packaging machine comprises a packaging machine body 1, a sealing door 2 is hingedly connected to the upper end surface of the packaging machine body 1 near the rear end, a vacuum pump 3 is arranged on the right outer surface of the packaging machine body 1, and the vacuum pump 3 is connected to the inside of the packaging machine body 1;

[0039] A driving mechanism 4 is disposed near the top of the packaging machine body 1 .

[0040] By adopting the above technical solution, when working, the sealing door 2 is opened, the sealing bag is placed in the packaging machine body 1, the position of the sealing bag is adjusted, and the driving mechanism 4 is controlled to work so that the sealing bag can be clamped and fixed. When the sealing bag is clamped and fixed, the sealing door 2 is closed, and the vacuum pump 3 is controlled to work so that the inside of the packaging machine body 1 is transformed into a vacuum state, and the air in the sealing bag is discharged. Then, the driving mechanism 4 is controlled to work to seal the sealing bag to complete the sealing work. The overall structure is simple and practical.

[0041] As an embodiment of the present invention, Figure 1 , Figure 3 and Figure 8As shown, a hydraulic push rod 10 is symmetrically fixedly connected to the bottom end of the inner surface of the packaging machine body 1, and a support plate 101 is fixedly connected to the top end of the hydraulic push rod 10. Positioning strips 11 are arranged near the top end at the center positions of the left and right sides of the inner surface of the packaging machine body 1, and the positioning strips 11 are designed as an inverted L-shaped structure. Positioning blocks 111 are fixedly connected to the positions below the positioning strips 11 at the center positions of the left and right sides of the inner surface of the packaging machine body 1, and a screw rod 3 112 is rotatably connected to the center position of the upper end surface of the positioning block 111 through a bearing. The screw rod 3 112 penetrates the positioning strip 11, and the two are connected by a spiral transmission.

[0042] By adopting the above technical scheme, when working, after opening the sealing door 2, the user can control the extension or contraction of the hydraulic push rod 10 according to the size of the sealing bag, and adjust the support plate 101 to a suitable position, so that the support plate 101 can have a better support for the sealing bag. When adjusted to a suitable position, since the positioning strip 11 is distributed in a horizontal state, the user can align the bag opening of the sealing bag with the inner right angle of the L-shaped structure positioning strip 11, so that the bag opening of the sealing bag is distributed in a horizontal state, thereby ensuring the beauty of subsequent sealing. In addition, the user can rotate the screw rod 3 112, and since the screw rod 3 112 is connected to the positioning strip 11 with a spiral transmission, the positioning strip 11 can be driven to move up and down, thereby limiting the horizontal height of the bag opening of the sealing bag. Since the horizontal height of the heating and sealing device remains unchanged, when the horizontal height of the bag opening of the sealing bag changes, the sealing position on the sealing bag will also change when it is sealed, which is convenient for the user to make adjustments according to different sealing positions. The structure is simple and practical.

[0043] As an embodiment of the present invention, Figure 2 , Figure 3 and Figure 4As shown, the driving mechanism 4 includes a screw rod 41, a motor 42, a slide groove 43, a slider 44, and a clamping assembly 5. The inner surface of the packaging machine body 1 is symmetrically connected to the screw rod 41 at the front and rear sides near the top through bearings. The threads on the front and rear sides of the outer surface of the screw rod 41 are in opposite directions, and its rear end penetrates the rear wall of the packaging machine body 1. The rear end outer surface of the packaging machine body 1 is fixedly connected to the positions of the two screw rods 41, and the output shaft of the motor 42 is fixedly connected to the screw rod 41. The inner surface of the packaging machine body 1 is provided with a slide groove 43 on the left and right sides corresponding to the screw rod 41. The outer surface of the screw rod 41 near the front and rear ends is spirally connected to the slider 44. The outer surfaces of the four groups of sliders 44 on the opposite sides are fixedly connected to the clamping assembly 5. The clamping assembly 5 includes a fixing block 51, a slide groove 43, and a slider 44. 52, slider 2 53, slide groove 3 54, slide cylinder 55, spring 1 56, clamp block 57, spring 2 58, the outer surfaces of the four groups of sliders 1 44 on the left and right opposite sides are fixedly connected with fixed blocks 51, the outer surface of the fixed block 51 close to the center of the packaging machine body 1 is provided with a slide groove 2 52, the inner surface of the slide groove 2 52 is symmetrically slidably connected with sliders 2 53 on the left and right sides, the outer surface of the slider 2 53 close to the center of the packaging machine body 1 is provided with a slide groove 3 54, the inner surface of the slide groove 3 54 is slidably connected with the slide cylinder 55, the outer surfaces of the slide cylinder 55 on the left and right opposite sides are fixedly connected with spring 1 56, and the other end of the spring 1 56 is fixedly connected to the slider 2 53, the inner surface of the slide cylinder 55 is slidably connected with a clamp block 57, the outer surface of the clamp block 57 close to the slide cylinder 55 is fixedly connected with a spring 2 58, and the other end of the spring 2 58 is fixedly connected to the slide cylinder 55.

[0044] By adopting the above technical solution, when the bag mouth of the sealed bag needs to be clamped and fixed, the motor 142 is controlled to rotate, which can drive the screw rod 141 to rotate. Since the screw rod 141 is connected to the slider 144 in a spiral transmission, the sliders 144 on the front and rear sides can be driven to move toward each other along the slide groove 143 and move toward the center position of the packaging machine body 1. Then, the two groups of fixed blocks 51 fixedly connected thereto can be driven to move toward the middle, thereby driving the sliders 2 53 inside the slide grooves 2 52 on the front and rear sides to move toward each other, and then driving the slide barrels inside the sliders 2 53 on the front and rear sides. 55 and the clamping block 57 move towards each other until the front and rear clamping blocks 57 are close to each other and clamp the bag opening of the sealed bag, so that the position of the sealed bag can be fixed. At this time, the front and rear clamping blocks 57 are pressed against each other until they extend into the interior of the slide 55 to squeeze the spring 2 58. Under the action of the elastic force of the spring 2 58, the two groups of clamping blocks 57 are clamped together to fix the positions of the left and right sides of the bag opening of the sealed bag, which is convenient for subsequent automatic sealing and prevents the items in the sealed bag from falling out. The sealing door 2 is closed, and the vacuum pump 3 is controlled to work to suck away the air inside the packaging machine body 1, so that the inside becomes a vacuum state.

[0045] As an embodiment of the present invention, Figure 2 , Figure 4 and Figure 7 As shown, the inner surface of the second slide groove 52 is rotatably connected to the second screw rod 61 at the positions away from the slide cylinder 55 on the left and right sides through bearings, and the threads on the outer surface of the second screw rod 61 on the left and right sides are in opposite directions;

[0046] The right end thereof penetrates the fixed block 51 , the upper end surface of the slider 1 44 is fixedly connected with the motor 2 62 , and the output shaft of the motor 2 62 is fixedly connected with the screw rod 2 61 , and the screw rod 2 61 penetrates the slider 2 53 and is spirally connected with it.

[0047] By adopting the above technical solution, when working, the user can control the rotation of the motor 2 62 according to the width of the sealing bag, thereby driving the screw rod 2 61 to rotate. Since the screw rod 2 61 is connected to the slider 2 53 by spiral transmission, and the left and right sides of the outer surface of the screw rod 2 61 have opposite thread directions, the left and right sliders 2 53 will be driven to move in opposite directions along the inside of the slide groove 2 52, so that the distance between the left and right clamping blocks 57 can be adjusted, and the two sides of the bag opening of the sealing bag with different widths can be clamped and fixed, which is convenient for the subsequent tightening of the bag opening of the sealing bag to prevent the bag opening from wrinkling.

[0048] As an embodiment of the present invention, Figure 6 and Figure 7 As shown, the outer surfaces of the two groups of slide cylinders 55 near the rear and away from the center of the fixed block 51 are fixedly connected with a magnet block 71;

[0049] A magnet block 2 72 is fixedly connected to the inner surface of the two groups of slide grooves 54 near the front, away from the center of the fixed block 51, and the length of the magnet block 2 72 is equal to three times the width of the slide groove 3 54 (the magnet block 2 72 is a retractable design, and its principle is consistent with the principle of the telescopic rod in the prior art. There is a spring inside to reset it. This is the prior art and will not be elaborated on again).

[0050] By adopting the above technical scheme, when the interior of the packaging machine body 1 is in a vacuum state, the control motor 1 42 continues to rotate, which can drive the front and rear two groups of fixed blocks 51 to continue to approach, and can drive the magnet block 2 72 inside the front slider 2 53 to slowly move backward until it is completely extended into the interior of the slide groove 3 54 inside the rear slider 2 53. Since the magnet block 1 71 and the magnet block 2 72 are attracted to each other, the magnet block 2 72 applies a suction force to the magnet block 1 71, causing the left and right groups of magnet blocks 1 71 to move to the left and right sides respectively, and can drive the left and right groups of sliders 2 53 fixedly connected thereto to move to the left and right sides respectively, and then drive the left and right groups of clamping blocks 57 to clamp the two ends of the bag opening of the sealing bag and move to the left and right sides, and rely on the suction force of the magnet block 2 72 to drive the bag opening of the sealing bag to be tightened to the left and right sides, effectively preventing the bag opening of the sealing bag from wrinkling and affecting the sealing performance of the seal.

[0051] As an embodiment of the present invention, Figure 4 and Figure 5 As shown, the two groups of fixed blocks 51 are fixedly connected to the outer surfaces of the opposite sides near the bottom ends with clamping strips 8, which are made of rubber material and have a width smaller than the length of the clamping block 57. The two groups of fixed blocks 51 are fixedly connected to the outer surfaces of the opposite sides near the top of the clamping strip 8 with heating strips 9, and the heating strips 9 and the clamping strips 8 are designed to be parallel in structure.

[0052] By adopting the above technical scheme, when the left and right sides of the bag opening of the sealing bag are tightened, the control motor 42 continues to rotate, driving the front and rear two groups of fixing blocks 51 to continue to move towards each other, thereby first driving the front and rear two groups of clamping strips 8 fixedly connected thereto to be close to each other, clamping the bag opening of the sealing bag flat, which is conducive to the subsequent heating strip 9 to seal it. Moreover, it is made of rubber material, which ensures that it has a certain deformation ability, will not damage the sealing bag, and has a strong clamping ability. When the two groups of fixing blocks 51 continue to approach and drive the two groups of heating strips 9 to clamp the bag opening of the sealing bag, before clamping the bag opening of the sealing bag, the two groups of heating strips 9 are controlled by the controller to be powered on and preheated to between 150°C and 160°C. After the two groups of heating strips 9 clamp the sealing bag for one second, the two groups of heating strips 9 are immediately controlled to separate from each other to complete the sealing of the bag opening. The sealing effect is more beautiful and uniform, and no wrinkles will occur at the sealing point.

[0053] Working principle: during operation, the sealing door 2 is opened and the sealing bag is placed inside the packaging machine body 1. The user can control the extension or contraction of the hydraulic push rod 10 according to the size of the sealing bag, and adjust the support plate 101 to a suitable position so that the support plate 101 can provide a better support for the sealing bag. After being adjusted to a suitable position, since the positioning strip 11 is distributed in a horizontal state, the user can align the sealing bag opening with the inner right angle of the L-shaped structure positioning strip 11 so that the sealing bag opening is distributed in a horizontal state, thereby ensuring the beauty of subsequent sealing. In addition, the user can rotate the screw rod 3 112. Since the screw rod 3 112 is connected to the positioning strip 11 in a spiral transmission, it can drive the positioning strip 11 to move up and down, thereby limiting the horizontal height of the sealing bag opening. Since the horizontal height of the heating and sealing device remains unchanged, when it is sealed, the sealing position on the sealed bag will also change, which is convenient for users to make adjustments according to different sealing positions. The structure is simple and practical. At the same time, the user can control the rotation of the motor 2 62 according to the width of the sealed bag, thereby driving the screw rod 2 61 to rotate. Since the screw rod 2 61 is connected with the slider 2 53 by spiral transmission, and the left and right sides of the outer surface of the screw rod 2 61 have opposite directions of threads, the left and right sliders 2 53 will be driven to move along the inside of the slide groove 2 52 in opposite directions, so that the distance between the left and right clamping blocks 57 can be adjusted to align with the left and right ends of the bag opening of the sealed bag. Controlling the rotation of the motor 1 42 can drive the screw rod 1 41 to rotate. Since the screw rod 1 41 and the slider 1 44 are spirally connected The transmission connection can drive the front and rear sliders 44 to move toward each other along the slide groove 43 and move toward the center of the packaging machine body 1, and then drive the two groups of fixed blocks 51 fixedly connected thereto to move toward the middle, thereby driving the sliders 53 inside the front and rear slide grooves 52 to move toward each other, and then drive the slide cylinder 55 and the clamping block 57 inside the front and rear sliders 53 to move toward each other, until the front and rear clamping blocks 57 are close to each other and clamp the bag opening of the sealed bag, so as to fix the position of the sealed bag. At this time, the front and rear clamping blocks 57 are pressed against each other until they extend into the interior of the slide cylinder 55 to squeeze the spring 2 58. Under the action of the elastic force of the spring 2 58, the two groups of clamping blocks 57 are clamped together to fix the positions of the left and right sides of the bag opening of the sealed bag, which is convenient for subsequent automatic Dynamic sealing is performed to prevent the items in the sealed bag from falling out, the sealing door 2 is closed, and the vacuum pump 3 is controlled to work to suck away the air inside the packaging machine body 1, so that the inside becomes a vacuum state. When the inside of the packaging machine body 1 is in a vacuum state, the control motor 1 42 continues to rotate, which can drive the front and rear two groups of fixed blocks 51 to continue to approach, and can drive the magnet block 2 72 inside the front slider 2 53 to slowly move backward until it is completely extended into the inside of the slide groove 3 54 in the rear slider 2 53. Since the magnet block 1 71 and the magnet block 2 72 are attracted to each other, the magnet block 2 72 applies a suction force to the magnet block 1 71, causing the left and right groups of magnet blocks 1 71 to move to the left and right sides respectively, which can drive the left and right groups of sliders 2 53 fixedly connected thereto to move to the left and right sides respectively.Then, the left and right clamping blocks 57 are driven to move to the left and right sides while clamping the two ends of the bag opening of the sealed bag. The suction force of the second magnet block 72 drives the bag opening of the sealed bag to be tightened to the left and right sides, effectively preventing the bag opening of the sealed bag from wrinkling and affecting the sealing performance of the seal. When the left and right sides of the bag opening of the sealed bag are tightened, the control motor 1 42 continues to rotate, driving the front and rear sets of fixing blocks 51 to continue to move toward each other, thereby first driving the front and rear sets of clamping strips 8 fixedly connected thereto to come close to each other, clamping the bag opening of the sealed bag flat, which is conducive to the subsequent heating strip 9 to seal it, and it is rubber The rubber material ensures that it has a certain deformation ability, which will not damage the sealed bag and has a strong clamping ability. When the two sets of fixing blocks 51 continue to approach, driving the two sets of heating strips 9 to clamp the bag opening of the sealed bag, the two sets of heating strips 9 are controlled by the controller to be powered on and preheated to between 150℃ and 160℃ before clamping the bag opening of the sealed bag. After the two sets of heating strips 9 clamp the sealed bag for one second, the two sets of heating strips 9 are immediately controlled to separate from each other to complete the sealing of the bag opening. The sealing effect is more beautiful and uniform, and no wrinkles will occur at the sealing point.

[0054] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A vacuum sealing packaging machine, comprising a packaging machine body (1), characterized in that: A sealing door (2) is hingedly connected to the upper end surface of the packaging machine body (1) near the rear end, a vacuum pump (3) is arranged on the right outer surface of the packaging machine body (1), and the vacuum pump (3) is communicated with the inside of the packaging machine body (1); a driving mechanism (4) is arranged near the top end of the packaging machine body (1); Positioning strips (11) are provided at the center of the left and right sides of the inner surface of the packaging machine body (1) near the top, and are designed as an inverted L-shaped structure; Positioning blocks (111) are fixedly connected at the center positions of the left and right sides of the inner surface of the packaging machine body (1) near the position below the positioning strip (11); the center position of the upper end surface of the positioning block (111) is rotatably connected to a screw rod three (112) via a bearing; the screw rod three (112) passes through the positioning strip (11), and the two are connected by a spiral transmission; The driving mechanism (4) comprises a screw rod (41), a motor (42), a slide groove (43), a slider (44), and a clamping assembly (5); the inner surface of the packaging machine body (1) is symmetrically connected to the screw rod (41) at positions near the top on both sides of the front and rear sides of the inner surface through bearings, the screw rod (41) has opposite threads on the front and rear sides of the outer surface, and its rear end penetrates the rear wall of the packaging machine body (1), and the rear end of the outer surface of the packaging machine body (1) is fixedly connected to the motor (42) at positions corresponding to the two screw rods (41), and the output shaft of the motor (42) is fixedly connected to the screw rod (41), the inner surface of the packaging machine body (1) is provided with a slide groove (43) at positions corresponding to the screw rod (41) on both sides of the inner surface, and the outer surface of the screw rod (41) near the front and rear ends is spirally connected to the slider (44), and the outer surfaces of the four groups of sliders (44) on the left and right opposite sides are fixedly connected to the clamping assembly (5); The clamping assembly (5) comprises a fixed block (51), a second slide groove (52), a second slider (53), a third slide groove (54), a slide cylinder (55), a first spring (56), a clamping block (57), and a second spring (58); the outer surfaces of the four groups of sliders (44) on the left and right sides opposite to each other are all fixedly connected with the fixed block (51); the outer surface of the fixed block (51) close to the center of the packaging machine body (1) is provided with a second slide groove (52); the inner surface of the second slide groove (52) is symmetrically slidably connected with a second slider (53) on the left and right sides; the second slider (53) close to the packaging machine body (1) is provided with a second slide groove (52); A slide groove 3 (54) is provided on the outer surface of one side of the center of the installation body (1), and a slide cylinder (55) is slidably connected to the inner surface of the slide groove 3 (54), and springs 1 (56) are fixedly connected to the outer surfaces of the left and right opposite sides of the slide cylinder (55), and the other end of the spring 1 (56) is fixedly connected to the slide block 2 (53), and a clamping block (57) is slidably connected to the inner surface of the slide cylinder (55), and a spring 2 (58) is fixedly connected to the outer surface of the clamping block (57) on the side close to the slide cylinder (55), and the other end of the spring 2 (58) is fixedly connected to the slide cylinder (55); The outer surfaces of the two groups of slides (55) near the rear and away from the center of the fixed block (51) are fixedly connected with magnet blocks 1 (71); the inner surfaces of the two groups of slide grooves (54) near the front and away from the center of the fixed block (51) are fixedly connected with magnet blocks 2 (72), and the length of magnet block 2 (72) is equal to three times the width of slide groove 3 (54).

2. A vacuum sealing packaging machine according to claim 1, characterized in that: A hydraulic push rod (10) is fixedly connected to the bottom end of the inner surface of the packaging machine body (1) in a symmetrical manner, and a support plate (101) is fixedly connected to the top end of the hydraulic push rod (10).

3. A vacuum sealing packaging machine according to claim 1, characterized in that: The inner surface of the second slide groove (52) is rotatably connected to the second screw rod (61) via bearings at positions away from the slide cylinder (55) on the left and right sides, and the threads on the outer surface of the second screw rod (61) are in opposite directions; and its right end passes through the fixed block (51); the upper end surface of the first slide block (44) is fixedly connected to the second motor (62), and the output shaft of the second motor (62) is fixedly connected to the second screw rod (61); the second screw rod (61) passes through the second slide block (53) and is connected to it in a spiral transmission manner.

4. The vacuum sealing packaging machine according to claim 1, characterized in that: The two groups of fixing blocks (51) are fixedly connected to the outer surfaces of the opposite sides near the bottom ends with clamping strips (8) made of rubber material and having a width smaller than the length of the clamping blocks (57).

5. The vacuum sealing packaging machine according to claim 1, characterized in that: A heating strip (9) is fixedly connected to the outer surface of one side of the two groups of fixing blocks (51) at a position close to the top of the clamping strip (8), and the heating strip (9) and the clamping strip (8) are designed to be parallel in structure.

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