Clamping mechanism for woven bag

Abstract

The utility model relates to a clamping mechanism for a woven bag, which is characterized by comprising a placing plate, a pneumatic claw seat arranged on the placing plate in a sliding manner, a suction component positioned on the pneumatic claw seat and a pressing component positioned on one side of the suction component, and has the beneficial effects that the woven bag positioned on a round suction cup is conveniently fixed by arranging a pressing rod; when the edges of the inner bag and the outer bag need to be clamped, the air suction pump is started, the bag body is pre-fixed, then the air cylinder is started to drive the rack to move, the rack drives the lower gear and the upper gear to rotate, and the lower gear and the upper gear are driven to rotate to clamp the edges of the inner bag and the outer bag. The upper gear drives the pressing rod to conveniently move towards the round suction cup, the woven bag located on the round suction cup is pressed, it is avoided that when the telescopic air cylinder drives the air claw base to move, the woven inner bag is displaced relative to the outer bag, the product quality is uniform, and the production efficiency is high.

Description

Technical Field

[0001] The utility model belongs to the technical field of woven bag processing, and in particular relates to a clamping mechanism for woven bags. Background Art

[0002] In the existing process of producing woven bag packaging bags, there are steps of putting in an inner bag, pasting the inner and outer bags, aligning the bag opening with the flanging, folding and sewing. Among them, pasting the inner and outer bags, aligning the bag opening with the flanging are composed of two working units, and an inner bag needs to be put in the outer bag. After the inner bag is put in, the inner and outer bags are pasted together and sent to the next flanging, folding and sewing processing step. At this time, the upper and lower opening edges of the inner and outer bags need to be clamped to avoid relative displacement or misalignment of the inner and outer bag edges when they are sent to the next processing step. The existing technology is completed manually, which has the advantages of low efficiency, easy defects due to manual influence, and uneven quality. Summary of the invention

[0003] To solve the above-mentioned technical problems, the utility model provides the following technical solutions: a clamping mechanism for woven bags, characterized in that it includes a placement plate, an air claw seat slidably arranged on the placement plate, a suction assembly located on the air claw seat, and a pressing assembly located on one side of the suction assembly, the suction assembly includes an air suction pump fixedly arranged on the air claw seat and a circular suction cup fixedly connected to the air inlet of the air suction pump, the circular suction cup is provided with an air hole connected to the air inlet of the air suction pump, the pressing assembly includes a clamping rod rotatably arranged on the air claw seat, the clamping rod is bent toward one end of the air claw seat, and the air claw seat is provided with a driving assembly for driving the clamping rod to rotate.

[0004] The utility model is further configured as follows: the driving assembly includes a cylinder fixedly arranged on a claw seat and a rack fixedly connected to the cylinder; an upper gear and a lower gear are rotatably arranged on the claw seat; the upper gear is located above the lower gear and is meshed with the lower gear for transmission; the tooth groove on the rack is matched with the lower gear; and the upper gear is fixedly connected to the clamping rod.

[0005] The utility model is further configured as follows: a rotating shaft is rotatably arranged on the air claw seat, the upper gear is sleeved on the rotating shaft and fixedly connected to the rotating shaft, and the clamping rod is fixedly arranged on the rotating shaft.

[0006] The utility model is further configured as follows: a mounting plate is fixed on one side of the air claw seat, a rotating shaft is rotatably arranged between the mounting plate and the air claw seat, the lower gear is fixedly connected to the rotating shaft, and bearing seats fixedly connected to the mounting plate and the air claw seat are respectively arranged at both ends of the rotating shaft, and the rotating shaft is rotatably arranged on the bearing seat.

[0007] The utility model is further configured as follows: a silica gel block is fixed to the lower end of the pressing rod.

[0008] The utility model is further configured as follows: a roller is rotatably arranged on the air claw seat, and the roller is rollingly connected to the lower end surface of the rack.

[0009] The beneficial effects of the utility model are as follows: by arranging a clamping rod, it is convenient to fix the woven bag located on the round suction cup; a slide groove for the movement of the air claw seat is opened on the placement plate; a telescopic cylinder for driving the air claw seat to move back and forth is arranged in the slide groove; when it is necessary to clamp the edges of the inner and outer bags, the suction pump is started to pre-fix the bag body; then the cylinder is started to drive the rack to move, the rack drives the lower gear and the upper gear to rotate, and the upper gear drives the clamping rod to move toward the round suction cup, so as to clamp the woven bag located on the round suction cup, thereby avoiding displacement of the woven inner bag relative to the outer bag when the telescopic cylinder drives the air claw seat to move; the product quality is uniform and the production efficiency is high. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Attached Figure 1 It is a structural schematic diagram of the utility model;

[0011] Attached Figure 2 It is a schematic diagram of the explosion structure of the utility model;

[0012] Attached Figure 3 This is a schematic diagram of the structure in which the roller of the utility model is located below the rack. DETAILED DESCRIPTION

[0013] according to Figure 1-3The present embodiment discloses a clamping mechanism for a woven bag, comprising a placement plate (not shown), an air claw seat 1 slidably arranged on the placement plate, a suction assembly located on the air claw seat 1, and a pressing assembly located on one side of the suction assembly, wherein the suction assembly comprises an air suction pump 2 fixedly arranged on the air claw seat 1 and a round suction cup 3 fixedly connected to the air inlet of the air suction pump 2, an air hole 4 connected to the air inlet of the air suction pump 2 is provided on the round suction cup 3, and the upper end surface of the round suction cup is flush with the upper end surface of the placement plate. By providing the air hole, the air hole of the round suction cup is placed in a negative pressure state when the air suction pump is working, so as to facilitate the pre-fixation of the woven bag, and the pressing assembly comprises a pressing rod 5 rotatably arranged on the air claw seat 1, and the pressing rod 5 faces the air claw seat 1. One end of the bag is bent, and a driving assembly for driving the clamping rod 5 to rotate is provided on the air claw seat 1. The clamping rod is provided to facilitate fixing the woven bag on the round suction cup. A slide groove for the movement of the air claw seat is provided on the placement plate, and a telescopic cylinder for driving the air claw seat to move back and forth is provided in the slide groove. When the edges of the inner and outer bags need to be clamped, the suction pump is started to pre-fix the bag body, and then the cylinder is started to drive the rack to move, the rack drives the lower gear and the upper gear to rotate, and the upper gear drives the clamping rod to move toward the round suction cup, so as to clamp the woven bag on the round suction cup, avoid displacement of the woven inner bag relative to the outer bag when the telescopic cylinder drives the air claw seat to move, and the product quality is uniform and the production efficiency is high.

[0014] The utility model is further configured as follows: the driving assembly includes a cylinder 6 fixedly arranged on the air claw seat 1 and a rack 7 fixedly connected to the cylinder 6; an upper gear 8 and a lower gear 9 are rotatably provided on the air claw seat 1; the upper gear 8 is located above the lower gear 9 and is meshed with the lower gear 9 for transmission; the tooth grooves on the rack 7 are matched with the lower gear 9; the upper gear 8 is fixedly connected to the clamping rod 5; when it is necessary to drive the clamping rod close to the round suction cup, the cylinder is started, the cylinder drives the rack to move, the rack drives the lower gear to rotate, the lower gear drives the upper gear to rotate, and the upper gear drives the clamping rod to move in the direction of the round suction cup, so as to facilitate the clamping of the woven bag.

[0015] The utility model is further configured as follows: a rotating shaft 10 is rotatably provided on the air claw seat 1, the upper gear 8 is sleeved on the rotating shaft 10 and fixedly connected to the rotating shaft 10, and the clamping rod 5 is fixedly provided on the rotating shaft 10. By providing the rotating shaft, the installation between the clamping rod and the upper gear is facilitated. When the upper gear rotates, the rotating shaft is driven to rotate, and the rotating shaft drives the clamping rod to rotate, which is convenient for approaching or moving away from the round suction cup.

[0016] The utility model is further configured as follows: a mounting plate 11 is fixed to one side of the air claw seat 1, a rotating shaft 12 is rotatably arranged between the mounting plate 11 and the air claw seat 1, the lower gear 9 is fixedly connected to the rotating shaft 12, and bearing seats 13 fixedly connected to the mounting plate 11 and the air claw seat 1 are respectively arranged at both ends of the rotating shaft 12, and the rotating shaft 12 is rotatably arranged on the bearing seat 13. The rotation of the rotating shaft is facilitated by arranging the bearing seat, and the rotation of the lower gear is also facilitated.

[0017] The utility model is further configured as follows: a silica gel block 14 is fixed to the lower end of the pressing rod 5, and the silica gel block is provided to protect the woven bag.

[0018] The utility model is further configured as follows: a roller 15 is rotatably provided on the air claw seat 1, and the roller 15 is rollingly connected to the lower end surface of the rack 7. When the rack moves, it drives the roller to rotate, which facilitates the movement of the rack and also supports the rack.

[0019] The working principle of the utility model is as follows: after the inner and outer bags of the woven bag are fitted together, the woven bag is placed on the placement plate, and then the telescopic cylinder is started to drive the air claw seat to move in the direction of the woven bag, so that the round suction cup is located under the woven bag, and then the suction pump is started to pre-fix the woven bag, and then the cylinder is started to drive the rack to move, the rack drives the lower gear and the upper gear to rotate, and the upper gear drives the clamping rod to move toward the round suction cup to clamp the woven bag located on the round suction cup, and then the telescopic cylinder drives the air claw seat to move to the next process.

[0020] The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above implementation mode. Any modification, alteration or equivalent substitution made by a person skilled in the art based on the above description shall fall within the scope of protection of the present invention.

Claims

1. A clamping mechanism for a woven bag, characterized in that: It includes a placement plate, an air claw seat slidably arranged on the placement plate, a suction assembly located on the air claw seat, and a pressing assembly located on one side of the suction assembly, the suction assembly includes an air suction pump fixedly arranged on the air claw seat and a circular suction cup fixedly connected to the air inlet of the air suction pump, the circular suction cup is provided with an air hole connected to the air inlet of the air suction pump, the pressing assembly includes a clamping rod rotatably arranged on the air claw seat, the clamping rod is bent toward one end of the air claw seat, and the air claw seat is provided with a driving assembly for driving the clamping rod to rotate.

2. A clamping mechanism for a woven bag according to claim 1, characterized in that: The driving assembly includes a cylinder fixedly arranged on a claw seat and a rack fixedly connected to the cylinder. An upper gear and a lower gear are rotatably arranged on the claw seat. The upper gear is located above the lower gear and is meshed with the lower gear for transmission. The tooth groove on the rack is matched with the lower gear, and the upper gear is fixedly connected to the clamping rod.

3. A clamping mechanism for a woven bag according to claim 2, characterized in that: A rotating shaft is rotatably arranged on the air claw seat, the upper gear is sleeved on the rotating shaft and fixedly connected to the rotating shaft, and the pressing rod is fixedly arranged on the rotating shaft.

4. A clamping mechanism for a woven bag according to claim 3, characterized in that: A mounting plate is fixed on one side of the air claw seat, a rotating shaft is rotatably arranged between the mounting plate and the air claw seat, the lower gear is fixedly connected to the rotating shaft, and bearing seats fixedly connected to the mounting plate and the air claw seat are respectively arranged at both ends of the rotating shaft, and the rotating shaft is rotatably arranged on the bearing seat.

5. A clamping mechanism for a woven bag according to claim 4, characterized in that: A silica gel block is fixed to the lower end of the pressing rod.

6. A clamping mechanism for a woven bag according to claim 5, characterized in that: A roller is rotatably arranged on the air claw seat, and the roller is rollingly connected with the lower end surface of the rack.

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