Multi-specification automatic bag opening mechanism

Abstract

The utility model discloses a multi-specification automatic bag opening mechanism which comprises a base, a suction lifting platform assembly, an upper suction bag opening assembly, a bag opening assembly and a clamp tensioning assembly, wherein the suction lifting platform assembly, the upper suction bag opening assembly, the bag opening assembly and the clamp tensioning assembly are arranged on the base. The upper suction bag opening assembly is installed on the suction lifting platform assembly and synchronously moves along with the suction lifting platform assembly. The bag opening assembly corresponds to the front face of a bag opening of a packaging bag on the suction lifting platform assembly. The clamping hand tensioning assemblies correspond to the two sides of a bag opening of the packaging bag on the suction lifting platform assembly. The automatic bag opening device can be automatically adjusted to open packaging bags with the width ranging from 90 mm to 170 mm and the length ranging from 100 mm to 200 mm, can automatically tension bag openings when products are loaded and sealed in a vacuumizing mode, and can be automatically adjusted to open the bags with different thicknesses and put the products into the packaging bags with the different thicknesses, so that the packaging bags with the width ranging from 90 mm to 170 mm and the length ranging from 100 mm to 200 mm can be automatically opened. Therefore, the problem that many original designs in the market are only used for opening bags for specific unique products and cannot be compatible with automatic adjustment of multiple products is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of automated production lines, in particular to a multi-specification automatic bag opening mechanism. Background Art

[0002] After the products are produced, they usually need to be packed into packaging bags. The conventional packaging method is to manually put the corresponding specifications and quantities of products into the corresponding specifications of the packaging bags, and then use the hot stamping machine to seal them. However, manual packaging has the problems of low efficiency and inaccurate counting.

[0003] Currently, equipment for automatic packaging has also been developed, but the automatic packaging equipment in the prior art can usually only open a packaging bag of a single specification and load products of corresponding specifications and quantity, resulting in the inability to be compatible with automatic specification adjustment of multiple products. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a multi-specification automatic bag opening mechanism, including a base, and a suction lifting platform component, an upper suction bag opening component, a bag supporting component and a clamping hand tightening component arranged on the base;

[0005] The suction lifting platform assembly is used to suck the bottom of the packaging bag;

[0006] The upper suction bag opening assembly is installed on the suction lifting platform assembly and moves synchronously with the suction lifting platform assembly, so as to suck the upper surface of the bag opening and open the bag opening of the packaging bag upwards;

[0007] The bag-stretching assembly corresponds to the front face of the bag opening of the packaging bag on the suction lifting platform assembly, so as to realize stretching the bag opening of the packaging bag on the suction lifting platform assembly upward and leftward and rightward directions;

[0008] The clamping hand tightening assembly corresponds to the two sides of the bag opening of the packaging bag on the suction lifting platform assembly, so as to clamp the bag opening and tighten the bag opening on both sides to perform vacuum sealing.

[0009] Among them: the suction lifting platform assembly includes a horizontal cylinder 1 installed on the base, a horizontal support plate 1 driven by the horizontal cylinder 1 and horizontally moved based on a slide rail and a slider, a lifting guide column symmetrically installed on the horizontal support plate 1 through a sliding sleeve, a lifting cylinder 1 arranged on the horizontal support plate 1, and a horizontal support plate 2 arranged on the top of the lifting guide column and driven to lift by the lifting cylinder 1, and an array of vacuum suction holes are opened on the horizontal support plate 2 to achieve suction and positioning of the bottom of the packaging bag.

[0010] Wherein: the upper suction bag opening assembly includes a lower support plate installed on the horizontal support plate, a slide rail installed vertically on one side of the lower support plate, an upper support plate installed on the upper end of the slide rail and parallel to the lower support plate, a servo motor installed on the upper side of the upper support plate, and a one-way screw rod rotatably arranged between the upper support plate and the lower support plate and driven to rotate by the servo motor, a slider slidably connected to the slide rail is provided on the threaded sleeve of the one-way screw rod, a bracket is installed on the side of the slider, and a vacuum nozzle is installed on the bracket for sucking the bag opening and opening the bag opening of the packaging bag upwards.

[0011] Wherein: the bag support assembly comprises a second slide rail and a second horizontal cylinder arranged on the base, and a second bracket slidably mounted on the second slide rail through a slider and driven to slide by the second horizontal cylinder;

[0012] Two groups of brackets 3 are slidably mounted on the bracket 2 through the slide rail 3 and the slider 2, and a servo motor 2 and a bidirectional screw rod 1 driven by the servo motor 2 and arranged horizontally are mounted on the bracket 2, and the two groups of brackets 3 are respectively connected to the two ends of the bidirectional screw rod 1 with corresponding reverse threads for rotation, so as to realize the synchronous movement of the two groups of brackets 3 in opposite directions or opposite directions;

[0013] The relative inner sides of the two groups of the brackets three are respectively provided with symmetrical horizontal bag-supporting rods for expanding the bag opening of the packaging bag on the suction lifting platform assembly to the left and right directions; the upper end plates of the two groups of the brackets three are respectively provided with servo motors three; a one-way screw rod two driven by the servo motor three is rotatably arranged between the upper and lower end plates of the two groups of the brackets three; a vertical bag-supporting rod is threadedly sleeved on the one-way screw rod two and is lifted and lowered along the side end plate of the bracket three to expand the bag opening of the packaging bag on the suction lifting platform assembly to the upward direction.

[0014] Wherein: the gripper tightening assembly includes a bidirectional screw rod 2 installed on the base plate through a bearing seat and driven to rotate by a servo motor 4, a slide rail 4 horizontally arranged between the bearing seats, two groups of brackets 4 slidably installed on the slide rail 4 through a slider 3, two lifting cylinders installed on the two groups of brackets 4 respectively, upper clamping plates driven to lift and lower by the lifting cylinders 2, and lower clamping plates installed on the brackets 4 and corresponding to the upper and lower clamping plates, so that the bag opening can be clamped and tightened on both sides by the upper clamping plate and vacuum sealed.

[0015] Wherein: the base includes a base one and a base two, the suction lifting platform assembly and the clamping hand tightening assembly are both arranged on the base one, and the bag supporting assembly is arranged on the base two.

[0016] Compared with the prior art, the utility model can realize automatic adjustment to open packaging bags with a width of 90 to 170 mm and a length of 100 to 200 mm, and automatically tighten the bag mouth when vacuuming and sealing the bag when the product is loaded. It can automatically adjust to open bags of different thicknesses and put in products, thereby solving the problem that many original designs in the market can only open bags for specific products and cannot be compatible with automatic adjustment for multiple products. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the suction lifting platform assembly of the utility model;

[0019] Figure 3 It is a schematic diagram of the three-dimensional structure of the upper suction bag opening component of the utility model;

[0020] Figure 4 This is a schematic diagram of the three-dimensional structure of the bag support assembly of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the clamping hand tensioning assembly of the utility model.

[0022] The numbers in the figure indicate: 10. Suction lifting platform assembly; 11. Horizontal cylinder 1; 12. Horizontal support plate 1; 13. Lifting guide column 1; 14. Horizontal support plate 2; 20. Upper suction bag opening assembly; 21. Lower support plate 1; 22. Upper support plate 1; 23. Slide rail 1; 24. Servo motor 1; 25. One-way screw rod 1; 26. Slider 1; 27. Bracket 1; 28. Vacuum nozzle; 30. Bag support assembly; 31. Slide rail 2; 32. Horizontal cylinder 2; 33. Bracket 2; 34. Servo Motor 2; 35. Bidirectional screw 1; 36. Slide rail 3; 37. Slider 2; 38. Bracket 3; 381. Horizontal bag support rod; 382. Servo motor 3; 383. Unidirectional screw 2; 384. Vertical bag support rod; 40. Clamp tensioning assembly; 41. Bearing seat; 42. Bidirectional screw 2; 43. Slide rail 4; 44. Slider 3; 45. Bracket 4; 46. Lifting cylinder 2; 47. Upper splint; 48. Lower splint; 50. Base 1; 60. Base 2; 70. Packaging bag. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] See also Figure 1The present embodiment provides a multi-specification automatic bag opening mechanism, including a base 1 50 and a base 2 60, a suction lifting platform assembly 10, an upper suction bag opening assembly 20 and a clamping hand tightening assembly 40 arranged on the base 1 50, and a bag holding assembly 30 arranged on the base 2 60; the suction lifting platform assembly 10 is used to suck the bottom of the packaging bag 70; the upper suction bag opening assembly 20 is installed on the suction lifting platform assembly 10 and moves synchronously with the suction lifting platform assembly 10, so as to suck the upper part of the bag opening and open the bag opening of the packaging bag 70 upward; the bag holding assembly 30 corresponds to the front of the bag opening of the packaging bag 70 on the suction lifting platform assembly 10, so as to realize opening the packaging bag 70 on the suction lifting platform assembly 10 upward and left and right directions; the clamping hand tightening assembly 40 corresponds to both sides of the bag opening of the packaging bag 70 on the suction lifting platform assembly 10, so as to realize clamping the bag opening and tightening the bag opening to both sides for vacuum sealing.

[0025] Among them, reference Figure 2 The suction lifting platform assembly 10 includes a horizontal cylinder 11 installed on a base 50, a horizontal pallet 12 driven by the horizontal cylinder 11 and horizontally moved based on a slide rail and a slider, a lifting guide column 13 symmetrically installed on the horizontal pallet 12 through a sliding sleeve, a lifting cylinder 1 arranged on the horizontal pallet 12, and a horizontal pallet 2 14 arranged on the top of the lifting guide column and driven to rise and fall by the lifting cylinder 1, and an array of vacuum suction holes are opened on the horizontal pallet 2 14 for realizing the suction and positioning of the bottom of the packaging bag 70.

[0026] Among them, reference Figure 3 The upper suction bag opening assembly 20 includes a lower support plate 21 installed on a horizontal support plate 12, a slide rail 23 vertically installed on the side of the lower support plate 21, an upper support plate 22 installed on the upper end of the slide rail 23 and parallel to the lower support plate 21, a servo motor 24 installed on the upper side of the upper support plate 22, and a one-way screw rod 25 rotatably arranged between the upper support plate 22 and the lower support plate 21 and driven to rotate by the servo motor 24, a slider 26 slidably connected to the slide rail 23 is threadedly sleeved on the one-way screw rod 25, a bracket 27 is installed on the side of the slider 26, and a vacuum suction nozzle 28 is installed on the bracket 27 for sucking the bag opening and opening the bag opening of the packaging bag 70 upward.

[0027] Among them, reference Figure 4 The bag support assembly 30 includes a slide rail 31 and a horizontal cylinder 32 disposed on a base 60, and a bracket 33 slidably mounted on the slide rail 31 through a slider and driven to slide by the horizontal cylinder 32;

[0028] Two sets of brackets 38 are slidably mounted on the bracket 2 33 through the slide rail 36 and the slider 2 37, and the bracket 2 33 is equipped with a servo motor 2 34 and a bidirectional screw rod 1 35 driven by the servo motor 2 34 and arranged horizontally, and the two sets of brackets 38 are respectively connected to the two ends of the bidirectional screw rod 1 35 in a corresponding rotational manner to realize the synchronous movement of the two sets of brackets 38 in opposite directions or opposite directions;

[0029] The relative inner sides of the two groups of brackets three 38 are respectively provided with symmetrical horizontal bag-supporting rods 381 for expanding the bag opening of the packaging bag 70 on the suction lifting platform assembly 10 to the left and right directions, and the upper end plates of the two groups of brackets three 38 are respectively provided with servo motors three 382, ​​and a one-way screw rod two 383 driven to rotate by the servo motor three 382 is rotatably arranged between the upper and lower end plates of the two groups of brackets three 38, and a vertical bag-supporting rod 384 that is lifted and lowered along the side end plate of the bracket three 38 is threadedly sleeved on the one-way screw rod two 383 for expanding the bag opening of the packaging bag 70 on the suction lifting platform assembly 10 to the upward direction.

[0030] Among them, reference Figure 5 The clamping and tightening assembly 40 includes a bidirectional screw rod 2 42 installed on the base plate through a bearing seat 41 and driven to rotate by a servo motor 4, a slide rail 43 horizontally arranged between the bearing seats 41, two groups of brackets 45 slidably installed on the slide rail 43 through a slider 3 44, lifting cylinders 2 46 respectively installed on the two groups of brackets 45, upper clamps 47 driven to rise and fall by the lifting cylinders 2 46, and lower clamps 48 respectively installed on the brackets 45 and corresponding to the upper clamps 47 up and down, so that the upper clamps 47 cooperate with the lower clamps 48 to clamp the bag opening, tighten the bag opening on both sides, and perform vacuum sealing.

[0031] The working principle of this utility model:

[0032] The packaging bag 70 is placed on the suction lifting platform assembly 10 and the bottom of the packaging bag 70 is sucked, and then moved to the bag-stretching assembly 30. The bag-stretching assembly 30 is adjusted to a suitable height. The upper suction bag-opening assembly 20 sucks the bag opening of the packaging bag 70 and slightly opens the packaging bag 70 upward. The bag-stretching assembly 30 extends into the bag opening and stretches the bag opening upward and left and right. After the product is placed in, the bag-stretching assembly 30 withdraws and moves to the vacuum sealing position. The clamping hand tightening assembly clamps the bag opening 40 and tightens the bag opening to both sides, and then vacuum sealing can be performed.

[0033] The above are only embodiments of the present invention, and are not intended to limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A multi-specification automatic bag opening mechanism, characterized in that: It comprises a base, and a suction lifting platform assembly (10), an upper suction bag opening assembly (20), a bag supporting assembly (30) and a gripping hand tightening assembly (40) arranged on the base; The suction lifting platform assembly (10) is used to suck the bottom of the packaging bag (70); The upper suction bag opening assembly (20) is installed on the suction lifting platform assembly (10) and moves synchronously with the suction lifting platform assembly (10) to suck the upper surface of the bag opening and open the bag opening of the packaging bag (70) upwards; The bag-supporting assembly (30) corresponds to the front face of the bag opening of the packaging bag (70) on the suction lifting platform assembly (10), so as to realize the bag opening of the packaging bag (70) on the suction lifting platform assembly (10) being supported upward and in left and right directions; The clamping and tightening assembly (40) corresponds to the two sides of the bag opening of the packaging bag (70) on the suction lifting platform assembly (10) so as to clamp the bag opening and tighten the bag opening to both sides for vacuum sealing.

2. The multi-specification automatic bag opening mechanism according to claim 1, characterized in that: The suction lifting platform assembly (10) includes a horizontal cylinder (11) installed on the base, a horizontal support plate (12) driven by the horizontal cylinder (11) and horizontally moved based on a slide rail and a slider, a lifting guide column (13) symmetrically installed on the horizontal support plate (12) through a sliding sleeve, a lifting cylinder (1) arranged on the horizontal support plate (12), and a horizontal support plate (14) arranged on the top of the lifting guide column and driven to lift by the lifting cylinder (1), wherein the horizontal support plate (14) is provided with an array of vacuum suction holes for achieving suction and positioning of the bottom of the packaging bag (70).

3. The multi-specification automatic bag opening mechanism according to claim 2, characterized in that: The upper suction bag opening assembly (20) comprises a lower support plate (21) mounted on the horizontal support plate (12), a slide rail (23) vertically mounted on the side of the lower support plate (21), an upper support plate (22) mounted on the upper end of the slide rail (23) and parallel to and corresponding to the lower support plate (21), a servo motor (24) mounted on the upper side of the upper support plate (22), and a one-way screw rod (25) rotatably arranged between the upper support plate (22) and the lower support plate (21) and driven to rotate by the servo motor (24), a slider (26) slidably connected to the slide rail (23) being threadedly sleeved on the one-way screw rod (25), a bracket (27) being mounted on the side of the slider (26), and a vacuum suction nozzle (28) being mounted on the bracket (27) for sucking the bag opening and opening the packaging bag (70) upward.

4. The multi-specification automatic bag opening mechanism according to claim 3, characterized in that: The bag support assembly (30) comprises a second slide rail (31) and a second horizontal cylinder (32) arranged on the base, and a second bracket (33) slidably mounted on the second slide rail (31) via a slider and driven to slide by the second horizontal cylinder (32); Two groups of brackets (38) are slidably mounted on the bracket (33) via a slide rail (36) and a slide block (37), and a servo motor (34) and a bidirectional screw rod (35) driven by the servo motor (34) and arranged horizontally are mounted on the bracket (33), and the two groups of brackets (38) are respectively connected to the two ends of the bidirectional screw rod (35) in a corresponding rotational manner with the reverse threads, so as to realize the synchronous movement of the two groups of brackets (38) in opposite directions or opposite directions; The relative inner sides of the two groups of the bracket three (38) are respectively provided with mutually symmetrical horizontal bag-supporting rods (381) for realizing the bag opening of the packaging bag (70) on the suction lifting platform assembly (10) to the left and right directions, and the upper end plates of the two groups of the bracket three (38) are respectively provided with servo motors three (382), and a one-way screw rod two (383) driven to rotate by the servo motor three (382) is rotatably arranged between the upper end plates and the lower end plates of the two groups of the bracket three (38), and a vertical bag-supporting rod (384) that is lifted and lowered along the side end plates of the bracket three (38) is threadedly sleeved on the one-way screw rod two (383) for realizing the bag opening of the packaging bag (70) on the suction lifting platform assembly (10) to be stretched upward.

5. The multi-specification automatic bag opening mechanism according to claim 4, characterized in that: The clamping hand tensioning assembly (40) includes a bidirectional screw rod 2 (42) installed on the base plate through a bearing seat (41) and driven to rotate by a servo motor 4, a slide rail 4 (43) horizontally arranged between the bearing seats (41), two groups of brackets 4 (45) slidably installed on the slide rail 4 (43) through a slider 3 (44), a lifting cylinder 2 (46) respectively installed on the two groups of brackets 4 (45), an upper clamping plate (47) driven to rise and fall by the lifting cylinder 2 (46), and a lower clamping plate (48) respectively installed on the bracket 4 (45) and corresponding to the upper and lower clamping plates (47), so that the upper clamping plate (47) cooperates with the lower clamping plate (48) to clamp the bag opening, tighten the bag opening to both sides, and perform vacuum sealing.

6. The multi-specification automatic bag opening mechanism according to claim 1, characterized in that: The base comprises a base one (50) and a base two (60), the suction lifting platform assembly (10) and the clamping hand tightening assembly (40) are both arranged on the base one (50), and the bag supporting assembly (30) is arranged on the base two (60).

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