Novel heat-sealing shaping device of tea packaging machine

Abstract

The utility model relates to a tea packaging machine, and provides a novel heat-sealing shaping device of the tea packaging machine, which comprises a base, a heat-sealing mechanism, a shaping groove, a bag body clamping mechanism, a first driving mechanism, a second driving mechanism, a sealing driving mechanism and a push-out mechanism which are arranged on a rack of the tea packaging machine, the output end of the first driving unit is connected with and drives the first fixing seat to lift up and down so as to drive the shaping groove to lift up and down, and the output end of the second driving unit is connected with and drives the second fixing seat to lift up and down so as to drive the left clamping plate and the right clamping plate to extrude and clamp the tea packaging bag towards the middle; the sealing driving mechanism comprises a third driving mechanism, a first connecting rod, a second connecting rod, a first limiting seat, a second limiting seat, a first push rod, a second push rod, a first reset spring, a second reset spring, a driven gear, a first supporting rod and a second supporting rod. The vacuum heat-sealing shaping device solves the problem that an existing vacuum heat-sealing shaping device is high in manufacturing cost.

Description

TECHNICAL FIELD

[0001] The utility model relates to a tea packaging machine, especially to a novel heat-sealing shaping device of tea packaging machine. BACKGROUND

[0002] At present, tea drinking has a history of thousands of years in China, and is still popular, and is spread to all over the world. In order to facilitate tea brewing and storage, tea is generally packaged in small bags. In the past, the packaging method was mostly manual packaging. In recent years, many packaging machines for tea packaging have appeared, which greatly improve the packaging efficiency and reduce the labor cost. The packaging machines on the market generally use vacuum packaging or simple edge sealing packaging, and cannot shape the packaging bag into a neat shape. Consumers now have higher and higher requirements for the appearance of the outer packaging. At the same time, in order to facilitate the design of the shape of the tea packaging box, there is an urgent need for a device that can shape the tea packaging bag. Therefore, a tea packaging machine with shaping function has emerged as the times require, but the existing tea packaging machine with heat-sealing shaping function has high cost. SUMMARY

[0003] Therefore, in view of the above problems, the utility model provides a novel heat-sealing shaping device of tea packaging machine, which has reasonable overall structure, good shaping effect and low manufacturing cost.

[0004] The utility model discloses a new -type heat -seal shaping device of tea packaging machine, including the base of being located on the frame of tea packaging machine, heat -seal mechanism, shaping groove, bag body clamping mechanism, first drive mechanism, second drive mechanism, seal drive mechanism and push -out mechanism, heat -seal mechanism is located the blanking of tea packaging machine below and is sealed to the packaging bag, seal drive mechanism is located heat -seal mechanism one side and seal drive mechanism is connected and drives heat -seal mechanism to close mould and is sealed to tea packaging bag, bag body clamping mechanism includes left clamping plate, right clamping plate, left pressure plate, right pressure plate, first spring and second spring, left clamping plate lower extreme and right clamping plate lower extreme are respectively opposite interval and are located on the base, left pressure plate lower extreme with left clamping plate middle part to the side extension of far away right clamping plate hinged, left pressure plate upper end is elastically connected with left clamping plate upper end through first spring, right pressure plate lower extreme with right clamping plate middle part to the side extension of far away left clamping plate hinged, right pressure plate upper end is elastically connected with right clamping plate upper end through second spring, shaping groove is located between left clamping plate and right clamping plate and can move up and down, push -out mechanism is located shaping groove one side and pushes out tea packaging bag after heat -seal shaping shaping groove, first drive mechanism includes first drive unit and first fixed seat, first fixed seat is connected with shaping groove bottom, first drive unit is located on the frame, and first drive unit output end is connected and drives first fixed seat to go up and down to drive shaping groove to go up and down, second drive mechanism includes second drive unit and second fixed seat, second fixed seat is U type, and the upper two free ends of second fixed seat are located below the free side of left pressure plate and right pressure plate respectively, second drive unit is located on the frame, and second drive unit output end is connected and drives second fixed seat to go up and down to drive second fixed seat upper end to press left pressure plate upper end and right pressure plate upper end to the middle part to drive left clamping plate and right clamping plate to press to the middle and hold tea packaging bag, seal drive mechanism includes third drive mechanism, first connecting rod, second connecting rod, first limit seat, second limit seat, first push rod, second push rod, first return spring, second return spring, driven gear, first support rod and second support rod, first support rod and second support rod are located above right clamping plate and left clamping plate on the frame respectively, first limit seat and second limit seat are respectively slidably arranged on first support rod and second support rod, heat -seal mechanism is arranged on the opposite end face of first limit seat and second limit seat respectively, one end of first return spring is connected with first limit seat, and the other end of first return spring is connected with the frame and drives first limit seat to pull to the outside positioning, one end of second return spring is connected with second limit seat, and the other end of second return spring is connected with the frame and drives second limit seat to pull to the outside positioning, first push rod and second push rod are spaced apart and arranged on first support rod and can move horizontally, driven gear is rotatably arranged on the one side of first limit seat on the frame,The upper end surface of the driven gear is provided with two symmetrical eccentric bearings, and the two eccentric bearings are located between the first push rod and the second push rod, the first push rod can push the first limiting seat to move towards the second limiting seat through the first connecting rod, the second push rod can push the second limiting seat to move towards the first limiting seat through the second connecting rod, the third driving mechanism is arranged on the rack and connected with the driven gear to drive the driven gear to rotate, and the driven gear drives the two eccentric bearings to push the first push rod and the second push rod to move, so that the first limiting seat and the second limiting seat move towards the middle synchronously to realize the clamping and heat sealing of the tea packaging bag by the heat sealing mechanism.

[0005] Further improvement, the third driving mechanism includes a stepper motor and a drive gear arranged at the output end of the stepper motor, and the stepper motor drives the driven gear to rotate through the drive gear.

[0006] Further improvement, the first driving unit and the second driving unit each include a stepper motor and a synchronous belt.

[0007] By adopting the foregoing technical scheme, the beneficial effects of the utility model are as follows: the first fixed seat of the first driving mechanism and the second fixed seat of the second driving mechanism are cooperated to shape the bag body clamping mechanism, the shaping effect is good, only a low-cost stepper motor is needed to realize, the cost of the driving structure is reduced, the third driving mechanism, the first connecting rod, the second connecting rod, the first limiting seat, the second limiting seat, the first push rod, the second push rod, the first return spring, the second return spring, the driven gear, the first supporting rod and the second supporting rod are cooperated to realize the clamping and heat sealing of the tea packaging bag by the heat sealing mechanism, the third driving mechanism directly drives the driven gear to rotate to drive the two eccentric bearings to push the first push rod and the second push rod to move, so that the first limiting seat and the second limiting seat move towards the middle synchronously, the third driving mechanism can also adopt a low-cost stepper motor to realize the precise control of the clamping and heat sealing of the heat sealing mechanism, after the heat sealing is completed, the driven gear rotates to stop the two eccentric bearings between the first push rod and the second push rod, the first limiting seat and the second limiting seat are driven to move outwardly to reset under the action of the first return spring and the second return spring, the clamping and heat sealing of the heat sealing mechanism are realized, the clamping and heat sealing of the heat sealing mechanism are realized by the driven gear and the eccentric bearings, the overall structure is reasonable and stable, the overall cost is greatly reduced, the structure is compact, the occupied space is small, and the utility model can be widely applied. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 is a three-dimensional structure schematic diagram of the embodiment of the utility model;

[0009] Figure 2 is a part of the top view structure schematic diagram of the embodiment of the utility model;

[0010] Figure 3 is another angle part three-dimensional structure schematic diagram of the embodiment of the utility model;

[0011] Figure 4 is part front structure schematic diagram of the embodiment of the utility model. DETAILED DESCRIPTION

[0012] The utility model is further explained in connection with the drawings and specific implementation.

[0013] Reference Figures 1-4, preferably the novel heat sealing shaping device of the tea packaging machine, comprising a base 1 provided on a rack of the tea packaging machine, a heat sealing mechanism 2, a shaping groove 3, a bag body clamping mechanism, a first driving mechanism, a second driving mechanism, a sealing driving mechanism and a pushing mechanism 8, the heat sealing mechanism 2 is provided below the discharging position of the tea packaging machine to seal the packaging bag, the sealing driving mechanism is provided on one side of the heat sealing mechanism 2 and connected with the heat sealing mechanism 2 to seal the tea packaging bag, the bag body clamping mechanism comprises a left clamping plate 41, a right clamping plate 42, a left pressing plate 43, a right pressing plate 44, a first spring 45 and a second spring 46, the lower ends of the left clamping plate 41 and the right clamping plate 42 are respectively provided on the base 1 in a spaced-apart manner, the lower end of the left pressing plate 43 is hinged to the extension part on the side away from the right clamping plate 42 in the middle part of the left clamping plate 41, the upper end of the left pressing plate 43 is elastically connected with the upper end of the left clamping plate 41 through the first spring 45, the lower end of the right pressing plate 44 is hinged to the extension part on the side away from the left clamping plate 41 in the middle part of the right clamping plate 42, the upper end of the right pressing plate 44 is elastically connected with the upper end of the right clamping plate 42 through the second spring 46, the shaping groove 3 is movably provided between the left clamping plate 41 and the right clamping plate 42, the pushing mechanism 8 is provided on one side of the shaping groove 3 to push the tea packaging bag after heat sealing and shaping out of the shaping groove 3, the first driving mechanism comprises a first driving unit 51 and a first fixed seat 52, the first fixed seat 52 is connected with the bottom of the shaping groove 3, the first driving unit 51 is provided on the rack and the output end of the first driving unit 51 is connected with the first fixed seat 52 to drive the first fixed seat 52 to move up and down and in turn drive the shaping groove 3 to move up and down, the second driving mechanism comprises a second driving unit 61 and a second fixed seat 62, the second fixed seat 62 is in U shape and the upper two free ends of the second fixed seat 62 are respectively located below the free sides of the left pressing plate 43 and the right pressing plate 44 (i.e. the side away from each other of the left pressing plate 43 and the right pressing plate 44), the second driving unit 61 is provided on the rack and the output end of the second driving unit 61 is connected with the second fixed seat 62 to drive the second fixed seat 62 to move up and down and in turn drive the upper end of the second fixed seat 62 to press the upper end of the left pressing plate 43 and the right pressing plate 44 to the middle part to press the left clamping plate 41 and the right clamping plate 42 to the middle part to clamp the tea packaging bag, the first driving unit 51 and the second driving unit 61 both comprise a stepping motor and a synchronous belt, the first fixed seat 52 and the second fixed seat 62 are respectively fixed on the synchronous belt driven by the stepping motor to move up and down, the sealing driving mechanism comprises a third driving mechanism 71, a first connecting rod 72, a second connecting rod 73, a first limiting seat 74, a second limiting seat 75, a first push rod 76, a second push rod 77, a first return spring 78, a second return spring 79, a driven gear 710, a first support rod 711 and a second support rod 712, the first support rod 711 and the second support rod 712 are respectively provided on the rack above the right clamping plate 42 and the left clamping plate 41,The first limiting seat 74 and the second limiting seat 75 are horizontally slidably arranged on the first supporting rod 711 and the second supporting rod 712 respectively, the heat sealing mechanism 2 is arranged on the opposite end faces of the first limiting seat 74 and the second limiting seat 75 respectively, and the first limiting seat 74 and the second limiting seat 75 are further respectively provided with elastic buffering mechanisms on the sides away from the heat sealing mechanism 2, one end of the first reset spring 78 is connected with the first limiting seat 74, and the other end of the first reset spring 78 is connected with the rack to drive the first limiting seat 74 to be pulled outwards for positioning, one end of the second reset spring 79 is connected with the second limiting seat 75, and the other end of the second reset spring 79 is connected with the rack to drive the second limiting seat 75 to be pulled outwards for positioning, the first push rod 76 and the second push rod 77 are horizontally movably arranged on the first supporting rod 711 at intervals, the driven gear 710 is rotatably arranged on the rack on the side of the first limiting seat 74, the upper end face of the driven gear 710 is provided with two symmetrical eccentric bearings 7101, and the two eccentric bearings 7101 are located between the first push rod 76 and the second push rod 77, the first push rod 76 can drive the first limiting seat 74 to move towards the second limiting seat 75 through the first connecting rod 72, and the second push rod 77 can drive the second limiting seat 75 to move towards the first limiting seat 74 through the second connecting rod 73, the third driving mechanism 71 is arranged on the rack on the side of the driven gear 710 and is connected and drives the driven gear 710 to rotate, the third driving mechanism 71 comprises a stepping motor and a driving gear arranged on the output end of the stepping motor, the stepping motor is engaged with the driven gear 710 through the driving gear to drive the driven gear 710 to rotate, the driven gear 710 drives the two eccentric bearings 7101 to push the first push rod 76 and the second push rod 77 to move, so that the first limiting seat 74 and the second limiting seat 75 move towards the middle to realize the mold closing heat sealing of the tea leaf packaging bag by the heat sealing mechanism 2, the first driving unit 51, the second driving unit 61 and the third driving mechanism 71 and the pushing mechanism 8 are all connected and controlled by the controller of the tea leaf packaging machine, when the third driving mechanism 71 is not started, the two eccentric bearings 7101 of the driven gear 710 are located between the first push rod 76 and the second push rod 77, and the first limiting seat 74 and the second limiting seat 75 are kept in the mold opening position by the pulling of the first reset spring 78 and the second reset spring 79.

[0014] The first driving mechanism, the second driving mechanism and the third driving mechanism in the utility model can also be other driving devices such as servo motors, the pushing mechanism can also be composed of a push rod connected and driven by an oil cylinder, and the first driving unit, the second driving unit and the third driving mechanism can also be connected with a controller respectively, and the controller is connected with the control system of the tea leaf packaging machine.

[0015] 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. A novel heat-sealing and shaping device for a tea packaging machine, comprising a base mounted on the frame of the tea packaging machine, a heat-sealing mechanism, a shaping groove, a bag clamping mechanism, a first driving mechanism, a second driving mechanism, a sealing driving mechanism, and an ejection mechanism. The heat-sealing mechanism is located below the material feeding area of ​​the tea packaging machine to seal the packaging bag. The sealing driving mechanism is located on one side of the heat-sealing mechanism and is connected to and drives the heat-sealing mechanism to close the mold and heat-seal the tea packaging bag. The bag clamping mechanism includes a left clamping plate, a right clamping plate, a left pressure plate, a right pressure plate, a first spring, and a second spring. The lower ends of the holding plate and the right clamping plate are respectively and oppositely spaced on the base. The lower end of the left pressure plate is hinged to the middle of the left clamping plate extending away from the right clamping plate. The upper end of the left pressure plate is elastically connected to the upper end of the left clamping plate via a first spring. The lower end of the right pressure plate is hinged to the middle of the right clamping plate extending away from the left clamping plate. The upper end of the right pressure plate is elastically connected to the upper end of the right clamping plate via a second spring. The shaping groove is movably disposed between the left and right clamping plates. The ejection mechanism is disposed on one side of the shaping groove to eject the heat-sealed and shaped tea packaging bag from the shaping groove. The characteristic feature is: The first driving mechanism includes a first driving unit and a first fixed base. The first fixed base is connected to the bottom of the shaping groove. The first driving unit is mounted on the frame, and its output end is connected to and drives the first fixed base to move up and down, thereby driving the shaping groove to move up and down. The second driving mechanism includes a second driving unit and a second fixed base. The second fixed base is U-shaped, and its two upper free ends are located below the free sides of the left and right pressure plates, respectively. The second driving unit is mounted on the frame, and its output end is connected to and drives the second fixed base to move up and down. The upper end of the second fixed seat pushes the upper ends of the left and right pressure plates towards the center, thereby pressing the left and right clamping plates together to clamp the tea packaging bag. The sealing drive mechanism includes a third drive mechanism, a first connecting rod, a second connecting rod, a first limiting seat, a second limiting seat, a first push rod, a second push rod, a first return spring, a second return spring, a driven gear, a first support rod, and a second support rod. The first and second support rods are respectively mounted on the frame above the right and left clamping plates. The first and second limiting seats are horizontally slidable on the first support rod. The heat sealing mechanism is respectively disposed on the opposite end faces of the first limiting seat and the second supporting rod. One end of the first return spring is connected to the first limiting seat and the other end of the first return spring is connected to the frame, driving the first limiting seat to pull outward for positioning. One end of the second return spring is connected to the second limiting seat and the other end of the second return spring is connected to the frame, driving the second limiting seat to pull outward for positioning. The first push rod and the second push rod are horizontally movable and spaced apart on the first supporting rod. The driven gear is rotatably disposed on the frame on one side of the first limiting seat. The upper end face of the gear is provided with two symmetrical eccentric bearings, which are located between the first push rod and the second push rod. The first push rod can push the first limit seat to move toward the second limit seat via the first connecting rod. The second push rod can push the second limit seat to move toward the first limit seat via the second connecting rod. The third drive mechanism is located on the frame on one side of the driven gear and is connected to and drives the driven gear to rotate. The rotation of the driven gear drives the two eccentric bearings to push the first push rod and the second push rod to move, thereby making the first limit seat and the second limit seat move toward the middle synchronously to realize the mold closing and heat sealing of the tea packaging bag by the heat sealing mechanism.

2. The novel heat-sealing and shaping device for a tea packaging machine according to claim 1, characterized in that: The third driving mechanism includes a stepper motor and a drive gear located at the output end of the stepper motor. The stepper motor drives the driven gear to rotate through the meshing of the drive gear and the driven gear.

3. The novel heat-sealing and shaping device for a tea packaging machine according to claim 1, characterized in that: Both the first drive unit and the second drive unit include a stepper motor and a synchronous belt.

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