CN-224225407-U - Vacuum pumping clamping device of bag feeding type packaging machine
Abstract
The utility model discloses a vacuumizing clamping device of a bag-feeding type packaging machine, which is characterized by comprising a moving plate, wherein the moving plate is connected with a first moving driving assembly, one end of the moving plate is provided with a first rack, the other end of the moving plate is provided with a second rack, the first rack is meshed with a first gear, the second rack is meshed with a second gear, the directions of the first rack and the second rack are opposite, so that the rotation directions of the first gear and the second gear are opposite, the first gear is connected with a first rotating shaft, the second gear is connected with a second rotating shaft, the first rotating shaft can drive a first left clamping jaw to swing, a second left clamping jaw matched with the first left clamping jaw is arranged on a rack, the second rotating shaft can drive a first right clamping jaw to swing, and a second right clamping jaw matched with the first right clamping jaw is arranged on the rack. The clamping device is simple in structure and reasonable in design, simplifies the driving structure of the clamping device, and ensures the synchronism and stability of the clamping operation actions at the two ends.
Inventors
- CHEN SHUYOU
Assignees
- 温州瑞友智能机械有限公司
Dates
- Publication Date
- 20260512
- Application Date
- 20250620
Claims (6)
- 1. The vacuum pumping clamping device of the bag feeding type packaging machine is characterized by comprising a moving plate (2), wherein the moving plate (2) is connected with a first moving driving assembly, one end of the moving plate (2) is provided with a first rack (6), the other end of the moving plate is provided with a second rack (3), the first rack (6) is meshed with a first gear (5), the second rack (3) is meshed with a second gear (4), the directions of the first rack and the second rack are opposite, so that the rotation directions of the first gear and the second gear are opposite, the first gear (5) is connected with a first rotating shaft (11), the second gear (4) is connected with a second rotating shaft (15), the first rotating shaft (11) can drive a first left clamping jaw (9) to swing, a second left clamping jaw (7) matched with the first left clamping jaw (9) is arranged on a rack, the second rotating shaft (15) can drive a first right clamping jaw (13) to swing, and a second right clamping jaw (12) matched with the first right clamping jaw (13) is arranged on the rack.
- 2. The vacuum clamping device of a bag feeding type packaging machine according to claim 1, wherein the first moving driving assembly comprises a first air cylinder (1), and a piston rod of the first air cylinder (1) is connected with a moving plate (2).
- 3. The vacuum pumping clamping device of a bag feeding type packaging machine according to claim 1, wherein the first rotating shaft (11) is connected with one end of the first swinging block (10), a first strip-shaped groove (23) is formed in the first swinging block (10), a first transmission pin (22) is arranged on the first left clamping jaw (9), the first transmission pin (22) is slidably clamped into the first strip-shaped groove (23), the vacuum pumping clamping device further comprises a moving block (17), the moving block (17) is connected with a second moving driving assembly, the moving block (17) is hinged with one end of a transmission arm (18), the other end of the transmission arm (18) is hinged with a sliding arm (19), a second strip-shaped groove (21) is formed in the sliding arm (19), a positioning column (20) penetrating through the second strip-shaped groove (21) is formed in the rack, one end of the first left clamping jaw (9) is hinged on the sliding arm (19), and the second left clamping jaw (7) is integrally formed on the sliding arm (19).
- 4. The vacuum clamping device of a bag feeding type packaging machine according to claim 3, wherein the second moving driving assembly comprises a second air cylinder (16), and a piston rod of the second air cylinder (16) is connected with a moving block (17).
- 5. The vacuum clamping device of a bag feeding type packaging machine according to claim 1, wherein the second rotating shaft (15) is connected with one end of a second swinging block (14), and the first right clamping jaw (13) is connected with the second swinging block (14).
- 6. The vacuum clamping device of the bag feeding type packaging machine according to claim 1, wherein the first left clamping jaw (9) and the first right clamping jaw (13) are respectively provided with an elastic block (8) which is matched with the second left clamping jaw and the second right clamping jaw to clamp the packaging bag.
Description
Vacuum pumping clamping device of bag feeding type packaging machine Technical Field The utility model relates to packaging equipment, in particular to a vacuumizing clamping device of a bag feeding type packaging machine. Background A bag-feeding type packaging machine is a device for feeding a packaging bag, and after feeding, evacuating and heat-sealing the packaging machine. The clamping device is required to be arranged in the vacuumizing mechanism to clamp the mouth of the filled packaging bag. In addition, after clamping, the bag mouth of the packaging bag possibly has certain wrinkling condition, so that the position of the bag mouth of the packaging bag after the subsequent heat sealing cannot be kept flat, and the heat sealing quality and the aesthetic degree of a product are affected. Disclosure of utility model In view of the shortcomings of the background art, the technical problem to be solved by the utility model is to provide a vacuumizing clamping device for a bag feeding type packaging machine. For this purpose, the utility model is realized by adopting the following scheme: The vacuum pumping clamping device of the bag feeding type packaging machine is characterized by comprising a moving plate, wherein the moving plate is connected with a first moving driving assembly, one end of the moving plate is provided with a first rack, the other end of the moving plate is provided with a second rack, the first rack is meshed with a first gear, the second rack is meshed with a second gear, the directions of the first rack and the second rack are opposite, the rotation directions of the first gear and the second gear are opposite, the first gear is connected with a first rotating shaft, the second gear is connected with a second rotating shaft, the first rotating shaft can drive a first left clamping jaw to swing, a second left clamping jaw matched with the first left clamping jaw is arranged on a rack, the second rotating shaft can drive a first right clamping jaw to swing, and a second right clamping jaw matched with the first right clamping jaw is arranged on the rack. The first movement driving assembly comprises a first air cylinder, and a piston rod of the first air cylinder is connected with the moving plate. The first pivot is connected with one end of first swing piece, be provided with first bar groove on the first swing piece, be provided with first driving pin on the first left clamping jaw, first driving pin slidable card goes into first bar inslot, still includes the movable block, the movable block is connected with the second removal drive assembly, the movable block is articulated with the one end of drive arm, and the other end and the sliding arm of drive arm are articulated, the second bar groove has been seted up on the sliding arm, has the reference column that passes the second bar groove in the frame, the one end of first left clamping jaw articulates on the sliding arm, second left clamping jaw integrated into one piece is on the sliding arm. The second movement driving assembly comprises a second air cylinder, and a piston rod of the second air cylinder is connected with the moving block. The second rotating shaft is connected with one end of the second swinging block, and the first right clamping jaw is connected with the second swinging block. Elastic blocks are arranged on the first left clamping jaw and the first right clamping jaw and are matched with the second left clamping jaw and the second right clamping jaw to clamp the packaging bag. Above-mentioned technical scheme give bag type packagine machine's evacuation clamping device sets up the rack that faces in opposite directions on the movable plate through innovation movable plate structure to through the reverse rotation of rack drive corresponding gear, can drive first left and right clamping jaw action in step, and then realize the centre gripping location at wrapping bag sack position both ends, this kind of structure only needs to set up single drive structure, effectively simplifies the structure of equipment, can guarantee the stability of both ends centre gripping subassembly action simultaneously, guarantees the centre gripping quality. Drawings The utility model has the following drawings: FIG. 1 is a schematic view of the structure of the bottom part of the present utility model; FIG. 2 is a view of the utility model with a portion of the frame removed; FIG. 3 is a view of the first left and right jaws of FIG. 2 in gripping; FIG. 4 is an enlarged view of a portion of FIG. 3 at the point A; fig. 5 is a cross-sectional view of the first swing block and the first left jaw of the present utility model. Detailed Description As shown in the figure, the vacuum pumping clamping device of the bag feeding type packaging machine comprises a moving plate 2, wherein the moving plate 2 is connected with a first moving driving assembly, and in the embodiment, the first moving driving assembly comprises a first air cy