Improved bag taking mechanism for tea packaging machine

Abstract

The utility model relates to a tea packaging machine, and provides an improved bag taking mechanism for the tea packaging machine, which comprises a first supporting plate, a second supporting plate, a driving mechanism, a transmission shaft, a guide gear, a limiting rod, a suction cup fixing seat and a pneumatic suction cup mechanism, the first supporting plate and the second supporting plate are arranged on a rack of the tea packaging machine in parallel in a spaced mode and located below a bag placing mechanism of the rack, symmetrical L-shaped open grooves are formed in the first supporting plate and the second supporting plate, and the output end of the driving mechanism penetrates through the first supporting plate and is connected with and drives the guide gear to rotate. The left portion and the middle portion of the transmission shaft are arranged on the L-shaped grooves of the first supporting plate and the second supporting plate in a penetrating mode through bearings in the mode that the left portion and the middle portion of the transmission shaft can move on the L-shaped grooves of the first supporting plate and the second supporting plate, and the lower end of the limiting rod is rotationally connected with the face, located below the bent portions of the L-shaped grooves and facing the first supporting plate, of the second supporting plate. The bag taking device solves the problem that an existing bag taking device is unstable in operation.

Description

TECHNICAL FIELD

[0001] The utility model relates to tea packaging machine especially relates to an improved tea packaging machine is with bagging mechanism. BACKGROUND

[0002] Tea contains catechin, steroenone, caffeine, inositol, folic acid, pantothenic acid and other components, can promote human health. Tea drinks - tea is known as "one of the world's three major beverages", therefore tea has obtained the favor of the majority of consumers. Tea needs to be packaged in the transportation process, otherwise its fragrance is easy to emit, tea packaging machine needs to take bag first in the packaging process, then opens the bag, and then injects tea and then seals. Such as Chinese patent document: CN202322303653.4, discloses a bag suction device, including bagging mechanism base, guide gear and fixed rotating block, the bagging mechanism base is installed with step motor through three motor fixed rods, the output shaft of step motor is installed with cylindrical gear. The utility model discloses a cylindrical gear, step motor, guide gear, stainless steel outer hexagonal screw, shaft elastic baffle, electric small suction disc, hand screw, small suction disc fixed shaft, gas pipe joint, transmission guide gear, bagging mechanism base, motor fixed rod, linkage shaft, fixed rotating block, rotating guide block, limit block, guide rod, suction disc fixing base, upper suction disc seat, suction disc seat connecting seat, lower suction disc seat, suction disc guide block, pagoda reducing screw and bagging sensing sheet are mutually matched, so as to realize a kind of bag suction device. But the technology disclosed in the above patent document directly drives linkage shaft one end through transmission guide gear, so that the suction disc fixing base of linkage shaft other end is 90° directional change and realizes horizontal displacement, and when the transmission guide gear driving side generates vibration, etc. It will be directly transmitted to the suction disc fixing base to make the suction disc fixing base shake or offset, so that the tea packaging bag on the suction disc fixing base is offset or falls off, and the running structure is not stable, especially after the machine table runs for a long time. SUMMARY

[0003] Therefore, in view of the above problems, the utility model provides a kind of improved tea packaging machine with bagging mechanism, which is stable in operation, good in bagging effect and reasonable in overall structure.

[0004] In order to solve the technical problem, the utility model discloses the following scheme: A kind of improved tea packaging machine bag taking mechanism, including first support plate, second support plate, drive mechanism, transmission shaft, guide gear, limiting rod, sucking disc fixed seat and pneumatic sucking disc mechanism, the guide gear is equipped with the guide waist type slot extending outward, the first support plate and second support plate are parallel and are spaced apart and are arranged on the rack of tea packaging machine below bag placing mechanism of the rack and the first support plate and second support plate are equipped with the symmetrical L type slot, the guide gear is rotatably arranged on the side of first support plate towards second support plate, the drive mechanism is arranged on the side of first support plate away from second support plate, the drive mechanism output passes through first support plate and drive mechanism output is connected and guides gear rotation, the left part and middle part of transmission shaft are respectively movably arranged on the L type slot of first support plate and second support plate through bearing and are movably arranged on the L type slot of first support plate and second support plate, the guide waist type slot of guide gear is sleeved on the section of transmission shaft between first support plate and second support plate, the limiting rod upper end is fixedly connected with the section of transmission shaft between the guide waist type slot of guide gear and second support plate, the limiting rod lower end is rotatably connected with the side of second support plate below the bending portion of L type slot and towards first support plate, the pneumatic sucking disc mechanism is arranged on sucking disc fixed seat, and the sucking disc fixed seat is arranged on the right part of transmission shaft.

[0005] Further improvement, the drive mechanism is stepper motor, and a cylindrical gear is installed on the output shaft of the stepper motor.

[0006] Further improvement, the transmission shaft is sleeved with an elastic baffle ring at the contact position of the guide waist type slot of the guide gear.

[0007] By adopting the foregoing technical scheme, the utility model has the beneficial effects that: by movably arranging the left part and middle part of transmission shaft on the L type slot of first support plate and second support plate through bearing, the transmission shaft can move stably up and down and horizontally on the two parallel L type slots, and when the drive mechanism drives the transmission shaft to rotate, the vibration can be eliminated by two supporting points, so that the shaking will not be transmitted to the sucking disc fixed seat to avoid the influence of the pneumatic sucking disc mechanism on the sucking disc fixed seat, the tea packaging bag can be taken stably without deviation, the operation is stable, the bag taking effect is good, the limiting rod and the guide gear are respectively installed on the first support plate and the second support plate, which is convenient to install, and the limiting rod installed on the second support plate can also play a coordination function to eliminate the vibration force, so that the overall structure runs more stably, the structure is reasonable, and can be widely applied. BRIEF DESCRIPTION OF DRAWINGS

[0008] Fig. 1It is a three-dimensional structure schematic diagram of the embodiment of the utility model.

[0009] Fig. 2 It is a partial structure schematic diagram of the embodiment of the utility model. DETAILED DESCRIPTION

[0010] The utility model is further explained in connection with the drawings and specific implementation.

[0011] Reference Figs. 1-2 , preferably the improved tea packaging machine bag taking mechanism of the utility model, including first support plate 1, second support plate 2, drive mechanism 3, transmission shaft 4, guide gear 5, limiting rod 6, sucking disc fixed seat 7 and pneumatic sucking disc mechanism 8, be equipped with the guide waist type slot 51 of outward extension on guide gear 5, first support plate 1 and second support plate 2 are parallelly and intervally arranged on the rack of tea packaging machine and are located below the bag placing mechanism of the rack and first support plate 1 and second support plate 2 are equipped with the symmetrical L type slot 11,21, guide gear 5 is rotatably arranged on the side of first support plate 1 towards second support plate 2, drive mechanism 3 is arranged on the side of first support plate 1 away from second support plate 2, drive mechanism 3 is a stepper motor, and a cylindrical gear 9 is installed on the output shaft of the stepper motor, the output end of the stepper motor passes through first support plate 1, and the output end of the stepper motor is connected and drives guide gear 5 to rotate through cylindrical gear 9, the left part and the middle part of transmission shaft 4 are movably arranged in the L type slot 11,21 of first support plate 1 and second support plate 2 through bearing 10, respectively, and are movably arranged in the L type slot 11,21 of first support plate 1 and second support plate 2, the guide waist type slot 51 of guide gear 5 is sleeved on the section of transmission shaft 4 between first support plate 1 and second support plate 2, the elastic baffle ring 41 is sleeved on the section of transmission shaft 4 at the contact of the guide waist type slot 51 of guide gear 5, the upper end of limiting rod 6 is fixedly connected with the section of transmission shaft 4 between the guide waist type slot 51 of guide gear 5 and second support plate 2, the lower end of limiting rod 6 is rotatably connected with the side of second support plate 2 below the bending part of L type slot 21 and towards first support plate 1, pneumatic sucking disc mechanism 8 is arranged on sucking disc fixed seat 7, sucking disc fixed seat 7 is arranged on the right part of transmission shaft 4.

[0012] The drive mechanism in the above embodiment can also use a servo motor, a permanent magnet motor, etc., and the stepper motor is used to reduce the manufacturing cost. The pneumatic sucking disc mechanism is a prior art component, and its structure is disclosed in Chinese patent document CN202322303653.4, etc.

[0013] Although the utility model is specifically shown and introduced in combination with the preferred embodiments, it should be understood by those skilled in the art that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all of them are within the protection scope of the utility model.

Claims

1. An improved bag-picking mechanism for a tea packaging machine, comprising a first support plate, a second support plate, a drive mechanism, a transmission shaft, a guide gear, a limiting rod, a suction cup fixing seat, and a pneumatic suction cup mechanism, wherein the guide gear is provided with an outwardly extending guide slot, characterized in that: The first support plate and the second support plate are parallel and spaced apart on the rack of the tea leaf packaging machine below the bag placing mechanism of the rack, and the first support plate and the second support plate are provided with symmetrical L-shaped slots, the guide gear is rotatably arranged on one side of the first support plate facing the second support plate, the driving mechanism is arranged on the other side of the first support plate away from the second support plate, the output end of the driving mechanism penetrates through the first support plate and is connected with the guide gear to drive the rotation of the guide gear, the left part and the middle part of the transmission shaft are movably arranged in the L-shaped slots of the first support plate and the second support plate through bearings, the guide waist-shaped slot of the guide gear is sleeved on the section of the transmission shaft between the first support plate and the second support plate, the upper end of the limiting rod is fixedly connected with the section of the transmission shaft between the guide waist-shaped slot of the guide gear and the second support plate, and the lower end of the limiting rod is rotatably connected with the side of the second support plate below the bending part of the L-shaped slot and facing the first support plate, the pneumatic suction disc mechanism is arranged on the suction disc fixing seat, and the suction disc fixing seat is arranged on the right part of the transmission shaft.

2. The modified tea packaging machine bag taking mechanism according to claim 1, characterized in that: The driving mechanism is a stepping motor, a cylindrical gear is mounted on the output shaft of the stepping motor, and the stepping motor drives the rotation of the guide gear through the cylindrical gear and the guide gear.

3. The modified tea packaging machine bag taking mechanism according to claim 1, characterized in that: The transmission shaft is sleeved with an elastic baffle ring at the contact position of the guide waist-shaped slot of the guide gear.

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