CN220795949U - Weighing and conveying device for self-service vending machine - Google Patents

Abstract

The utility model provides a weighing and conveying device for a self-service vending machine, which comprises a goods taking hopper, a weighing mechanism and a driving mechanism, wherein the weighing mechanism is arranged at the inner bottom of the goods taking hopper, and the driving mechanism is connected with the goods taking hopper and is used for driving the goods taking hopper to move transversely and longitudinally. According to the utility model, the weighing mechanism is arranged at the bottom of the goods taking hopper, so that the goods can be taken and weighed simultaneously, the technical problem that the conventional self-service vending machine cannot weigh is solved, and the purchase of customers is facilitated.

Description

Weighing and conveying device for self-service vending machine

Technical Field

The utility model belongs to the technical field of vending machines, and particularly relates to a weighing and conveying device for a self-service vending machine.

Background

Vending machines are also called 24-hour self-service vending shops, and are unattended, and a customer only needs to scan codes on a shopping display screen to select goods and settle accounts, so that the customer can purchase the required products. The cabinet body of the existing vending machine is internally provided with a plurality of placing trays distributed along the vertical direction, lifting trays at the taking opening of the cabinet body and a driving mechanism for driving the lifting trays to move in the vertical direction, and the vending machine can only purchase products with set quantitative pricing. However, in real life, some products need to be purchased after being weighed, but the existing self-service vending machine does not have a weighing function, cannot purchase according to the needs of customers, and is not flexible to use.

Disclosure of Invention

In view of the above-mentioned drawbacks of the prior art, an object of the present utility model is to provide a weighing and conveying device for a vending machine, which is used for solving the technical problems that the vending machine in the prior art does not have a weighing function, cannot purchase according to the needs of the user, and is not flexible to use.

To achieve the above and other related objects, the present utility model provides a weighing and conveying device for a vending machine, comprising a pick-up hopper, a weighing mechanism and a driving mechanism, wherein the weighing mechanism is arranged at the bottom of the pick-up hopper, and the driving mechanism is connected with the pick-up hopper for driving the pick-up hopper to move transversely and longitudinally.

Preferably, the weighing mechanism comprises a weighing plate for weighing, the weighing plate is mounted on the inner bottom surface of the goods taking hopper, and the weighing plate is circumferentially and integrally provided with an upward extending coaming.

Preferably, a feeding hole is formed in one side of the goods taking hopper, and a feeding plate is transversely hinged to the bottom surface of the feeding hole.

Preferably, a discharging hole is formed in one side surface, which is away from the feeding hole, of the goods taking hopper, and a discharging plate is transversely hinged to the bottom surface of the discharging hole.

Preferably, torsion springs are arranged at the joint of the feeding plate and the feeding hole and the joint of the discharging plate and the discharging hole.

Preferably, the upper surface of weighing mechanism is equipped with the swash plate, the swash plate towards the one end of feed inlet with feed inlet smooth contact, the swash plate towards the one end of discharge gate is the low end, the low end is located the discharge gate below.

Preferably, the goods taking hopper is vertically connected to the driving mechanism in a sliding manner.

Preferably, the driving mechanism comprises two longitudinal drivers connected to two sides of the goods taking hopper; the two sides of the goods taking hopper are respectively fixedly provided with a sliding block, two opposite side surfaces of the longitudinal driver are respectively provided with a sliding groove which is positioned on the same transverse plane and extends vertically, the sliding blocks are connected in the sliding grooves in a sliding manner, and an elastic piece is further arranged between the bottom surface of the sliding groove and the bottom surface of the sliding block.

Preferably, the driving mechanism further comprises two horizontal drivers connected to the upper and lower ends of the two longitudinal drivers.

Preferably, an elastic piece is arranged between the bottom surface of the weighing plate and the bottom surface of the goods taking hopper.

As described above, the present utility model has at least the following advantageous effects:

(1) The weighing mechanism is arranged at the inner bottom of the goods taking hopper, so that the goods taking hopper can receive the products and weigh the products at the same time, and the weighing mechanism is not required to be additionally arranged in the cabinet body, so that the use is more convenient;

(2) The two opposite sides of the goods taking hopper are respectively and horizontally hinged with the feeding plate and the discharging plate, so that when a product needs to be received, the product can automatically push the feeding plate into the goods taking hopper to rotate through gravity, then enter the goods taking hopper and weigh, after purchase is completed, the discharging plate can be manually pushed into the goods taking hopper, and therefore the product is taken out, the two torsion springs are mainly used for ensuring that the feeding plate and the discharging plate can only rotate into the goods taking hopper, and the product is always positioned in the goods taking hopper until a driving mechanism drives a moving process in the process of entering the goods taking hopper;

(3) The inclined plate is mainly used for ensuring that products can move to the inner bottom surface of the goods taking hopper after entering the goods taking hopper, and the products cannot be accumulated at the feeding hole, so that the products are prevented from falling out of the feeding hole to influence shopping;

(4) The impact of the product can be relieved through the elastic sliding between the goods taking hopper and the two longitudinal drivers or the elastic piece between the weighing plate and the bottom surface of the goods taking hopper after the product enters the goods taking hopper, the buffer transition process is provided, and the damage caused by the impact of the product on the inner bottom surface of the goods taking hopper or the weighing plate or the longitudinal drivers when the product falls into the goods taking hopper is avoided.

Drawings

Fig. 1 is a schematic diagram showing the overall structure of the present utility model.

Fig. 2 is a schematic structural view of the driving mechanism of the present utility model.

Fig. 3 is a schematic view showing the structure of the pick-up hopper according to the present utility model.

Fig. 4 shows a sectional view of a structure of the pick-up hopper of the present utility model.

Fig. 5 is a schematic view showing another structure of the pick-up hopper according to the present utility model.

Description of element reference numerals

1. A cargo taking hopper; 2. a longitudinal driver; 3. a horizontal driver; 4. a driving mechanism; 5. placing a storage grid; 6. a goods taking port;

7. a vertical screw rod; 8. a first nut seat; 9. a horizontal screw rod; 10. a second nut seat; 11. a chute; 12. a feed plate;

13. a discharge port; 14. a discharge plate; 15. a sloping plate; 16. a slide block; 17. an elastic member; 18. a weighing plate; 19. coaming plate;

20. and a feed inlet.

Detailed Description

Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.

The following examples are given by way of illustration only. Various embodiments may be combined and are not limited to only what is presented in the following single embodiment.

Referring to fig. 1-4, the utility model provides a weighing and conveying device for a self-service vending machine, which comprises a goods taking hopper 1, a weighing mechanism and a driving mechanism 4, wherein the weighing mechanism is arranged at the inner bottom of the goods taking hopper 1, and the driving mechanism 4 is connected with the goods taking hopper 1 for driving the goods taking hopper 1 to move transversely and longitudinally. The utility model can be applied to the existing self-service vending machine with a plurality of storage boxes 5 in the cabinet body, each storage box 5 is provided with different types of products, and each storage box 5 is internally provided with a spiral conveying mechanism for pushing out the products from the opening of the storage box 5. According to the utility model, the goods taking hopper 1 can be driven to move to the opening of the goods placing grid 5 through the driving mechanism 4, the goods taking hopper 1 is used for receiving products pushed out by the spiral conveying mechanism, the weighing mechanism is arranged at the inner bottom of the goods taking hopper 1, the products can be weighed while the goods taking hopper 1 receives the products, the weighing mechanism, the driving mechanism and the shopping system in the self-service vending machine can be electrically connected in a control manner, the weighing mechanism can feed weighing information back to the vending machine shopping system, and the vending machine shopping system controls the driving mechanism to move. Through the structure, customers can purchase different quantities of products according to actual needs and weigh and settle accounts, the operation is more flexible and convenient, and the method is applicable to sales of various products. In this embodiment, a visual recognition system is provided in the vending machine cabinet for recognizing the type of the product in the cabinet, and by extracting information such as the shape and color of different products, the product is recognized in which storage compartment. The visual recognition system may include a miniature camera mounted in each compartment, through which product features in each compartment are extracted. Because each storage grid of the sales counter is not necessarily placed with the same product every time, some products with poor sales volume are sometimes required to be put down, therefore, a camera is arranged in the vending machine cabinet body and used for collecting the characteristics of the products put in every time, and then the characteristics are fed back to the shopping system of the vending machine, the types of the products do not need to be input into the shopping system every time, and the vending machine is more intelligent.

Further, as shown in fig. 4, the weighing mechanism comprises a weighing plate 18 for weighing, the weighing plate 18 is mounted on the inner bottom surface of the goods taking hopper 1, and a coaming 19 extending upwards is integrally arranged on the periphery of the weighing plate 18. In this embodiment, the weighing plate 18 is a flat plate-shaped electronic scale or other plate-shaped weighing mechanism used for weighing in the prior art, the weighing plate 18 is directly integrated on the inner bottom surface of the goods taking hopper 1, the edge of the weighing plate 18 extends to the inner wall surface of the goods taking hopper 1, and the outer side surface of the enclosing plate 19 can be tightly attached to the inner wall surface of the goods taking hopper 1, so that the products entering the goods taking hopper 1 can be weighed through the weighing plate 18 completely, and the weighing is more accurate. The cross section of the coaming 19 in this embodiment is preferably a right triangle, the hypotenuse of which faces the centre of the weighing plate 18 so that product does not accumulate at the junction of the coaming 19 and the inner wall surface of the pick-up hopper 1. Since the weighing plate 18 is a precision instrument, the enclosing plate 19 is also used for avoiding the problem of inaccurate weighing caused by the fact that particles such as impurities or dust enter the surface of the weighing plate 18 through between the weighing plate 18 and the inner wall surface of the pick-up hopper 1.

Further, as shown in fig. 3-4, a feeding port 20 is provided on one side of the pick-up hopper 1, and a feeding plate 12 is hinged to the bottom surface of the feeding port 20 in a transverse direction. A discharging hole 13 is formed in one side surface, which is away from the feeding hole 20, of the goods taking hopper 1, and a discharging plate 14 is transversely hinged to the bottom surface of the discharging hole 13. Torsion springs are arranged at the joint of the feeding plate 12 and the feeding hole 20 and at the joint of the discharging plate 14 and the discharging hole 13. The material taking mechanism in the existing self-service vending machine is generally arranged between the material placing grid 5 and the material taking port 6, and the material taking hopper 1 is provided with the material inlet 20 and the material outlet 13 at the front side and the rear side which are opposite to each other, wherein the material inlet 20 and the material outlet 13 can be rectangular openings, and the rectangular openings are more convenient for installing the material inlet plate 12 and the material outlet plate 14 which are hinged with the rectangular openings. Compared with the existing goods taking hopper 1 for receiving falling products, the feeding hole 20 is formed in the side face of the goods taking hopper 1, so that the products can roll into the goods taking hopper 1 from the side face, impact force when the products enter the goods taking hopper 1 can be effectively reduced, meanwhile, the top face of the goods taking hopper 1 is opened, and customers can conveniently see the falling processes of the goods and whether the products are defective or not. The torsional spring in this embodiment is mainly overlapped and is established on the fixed horizontal articulated shaft in feed plate 12 and discharge plate 14 both ends below, the one end of torsional spring with feed plate 12 and discharge plate 14 rigid coupling, the other end of torsional spring with feed inlet 20 and 13 side rigid coupling, the torsional spring is used for guaranteeing that feed plate 12 and discharge plate 14 can only rotate in getting cargo hopper 1, feed plate 12 sets firmly the torsional spring and can make the product get into behind the cargo hopper 1 feed plate 12 and can resume vertical production and stop to avoid the product to fall out cargo hopper 1 again from feed inlet 20, discharge plate 14 sets firmly the torsional spring mainly used to avoid getting cargo hopper 1 and outwards falling out from discharge gate 13 when removing to the getting cargo port 6 of vending machine, can only manual drive discharge plate 14 in getting cargo hopper 1, just can stretch into and get out the product in the cargo hopper 1.

Further, as shown in fig. 4, the upper surface of the weighing mechanism is fixedly provided with a sloping plate 15, one end of the sloping plate 15 facing the feed inlet 20 is in smooth contact with the feed inlet 20, one end of the sloping plate 15 facing the discharge outlet 13 is a low end, and the low end is located below the discharge outlet 13. In order to make the sloping plate 15 more stable, the edge of the sloping plate 15 is directly attached to the inner side surface of the enclosing plate 19, so that the sloping plate 15 is directly clamped in the space enclosed by the enclosing plate 19. In this embodiment, the inclined plate 15 is used for enabling the product passing through the feeding hole 20 to rapidly slide into the material taking hopper 1 under the action of gravity after passing through the inclined plane of the inclined plate 15, avoiding accumulation at the feeding hole 20 to affect feeding, and the lower end of the inclined plate 15 is located below the discharging hole 13 to avoid continuous impact of the product on the discharging plate 14 in the entering process to cause the discharging plate 14 to turn over to the outside of the material taking hopper 1.

Further, as shown in fig. 1 and 3, the pick-up hopper 1 is vertically slidably connected to the driving mechanism 4. In this embodiment, in order to buffer the impact force when the product enters the pick-up hopper 1, the pick-up hopper 1 is slidably connected to the driving mechanism 4, so as to avoid the impact force affecting the service lives of the driving mechanism 4 and the weighing device. Specifically, the driving mechanism 4 includes two longitudinal drivers 2 connected to two sides of the pick-up hopper 1, where the longitudinal drivers 2 include a vertical screw rod 7 that rotates, a first nut seat 8 sleeved on the vertical screw rod 7, and two first motors (not shown in the figure) that are respectively connected with the two vertical screw rods 7 in a transmission manner, and the two first motors work synchronously to drive the two vertical screw rods 7 to rotate in a forward and reverse direction synchronously; t-shaped sliding blocks 16 are respectively and fixedly arranged on two sides of the goods taking hopper 1, sliding grooves 11 which are positioned on the same transverse plane and vertically extend are respectively formed in the opposite side faces of the first nut seat 8, the sliding grooves 11 are vertically extended, the sliding blocks 16 are slidably connected in the sliding grooves 11, and elastic pieces 17 are further arranged between the bottom faces of the sliding grooves 11 and the bottom faces of the sliding blocks 16. In this embodiment, the elastic member 17 may select a product with smaller elastic force, and only need to buffer the impact force of the product entering the pick-up hopper 1. The T-shaped sliding block and the sliding groove enable the goods taking hopper 1 to be stably and slidably connected in the sliding groove 11; through the rotation of two vertical lead screws 7, two first nut seats 8 synchronously generate vertical movement, and then the vertical adjustment movement of the goods taking hopper 1 is driven.

As shown in fig. 1-3, the driving mechanism 4 further includes two horizontal drivers 3 connected to the upper and lower ends of the two longitudinal drivers 2, specifically, the horizontal drivers 3 include a horizontal screw rod 9, two second nut seats 10 screwed on the horizontal screw rod 9, and two second motors (not shown in the drawing) respectively connected with the two horizontal screw rods 9 in a transmission manner, the two second motors also synchronously drive the two horizontal screw rods 9 to rotate, two ends of the two horizontal screw rods 9 are respectively connected to the inner wall of the vending machine and distributed one above the other, the second nut seats 10 are provided with four, two second nut seats 10 are screwed on each horizontal screw rod 9, the top ends of the two vertical screw rods 7 are respectively connected to the two second nut seats 10 on the horizontal screw rod 9 located above, and the bottom ends of the two vertical screw rods 7 are respectively connected to the two second nut seats 10 on the horizontal screw rod 9 located below. Through the synchronous drive of two second motors, four second nut seats 10 simultaneously produce the removal of horizontal direction along with the synchronous rotation of horizontal lead screw 9 to drive and get goods hopper 1 and move about and adjust.

Further, in order to reduce the impact of the product entering the pick-up hopper 1 on the weighing mechanism and the driving mechanism 4, an elastic member 17 may be provided between the bottom surface of the weighing plate 18 and the bottom surface of the pick-up hopper 1, unlike the above-described arrangement of the inclined plate 15. The elastic piece 17 also adopts the spring or the rubber block that elasticity is less can, and the elasticity of elastic piece 17 is little enough that the product falls on weighing plate 18 when weighing plate 18 gradually moves down until elastic piece 17 compresses extremely motionless, and elastic piece 17 only is used for alleviateing initial impact this moment, does not influence weighing plate 18 and weighs the goods, simple structure, and the practicality is better.

In summary, the weighing mechanism and the goods taking hopper 1 are integrated, the goods are taken and weighed, and the shopping system and the control system of the existing vending machine are relied on, so that the technical problem that products cannot be weighed and purchased according to requirements in the prior art is solved.

The above embodiments are merely illustrative of the principles of the present utility model and its effectiveness, and are not intended to limit the utility model. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations of the utility model be covered by the claims, which are within the ordinary skill of the art, be within the spirit and scope of the present disclosure.

Claims (10)

1. A weigh conveyor for self-service vending machine, its characterized in that: the automatic weighing device comprises a goods taking hopper, a weighing mechanism and a driving mechanism, wherein the weighing mechanism is arranged at the inner bottom of the goods taking hopper, and the driving mechanism is connected with the goods taking hopper and used for driving the goods taking hopper to transversely and longitudinally move.

2. A weighing conveyer for self-service vending machine as claimed in claim 1, wherein: the weighing mechanism comprises a weighing plate for weighing, the weighing plate is arranged on the inner bottom surface of the goods taking hopper, and the peripheral direction of the weighing plate is integrally provided with an upward extending coaming.

3. A weighing conveyer for self-service vending machine according to claim 1 or 2, characterized in that: a feeding hole is formed in one side of the goods taking hopper, and a feeding plate is transversely hinged to the bottom surface of the feeding hole.

4. A weighing conveyer for self-service vending machine as claimed in claim 3, wherein: the material taking hopper is provided with a material outlet on one side surface deviating from the material inlet, and the bottom surface of the material outlet is transversely hinged with a material outlet plate.

5. A weighing conveyer for self-service vending machine as claimed in claim 4, wherein: the feed plate with the feed inlet junction, the flitch with the discharge gate junction all is equipped with the torsional spring.

6. A weighing conveyer for self-service vending machine as claimed in claim 4, wherein: the upper surface of weighing mechanism is equipped with the swash plate, the swash plate towards the one end of feed inlet with feed inlet smooth contact, the swash plate towards the one end of discharge gate is the low-end, the low-end is located the discharge gate below.

7. A weighing conveyer for self-service vending machine as claimed in claim 1, wherein: the goods taking hopper is vertically connected to the driving mechanism in a sliding mode.

8. A weighing conveyer for a vending machine as claimed in claim 7, wherein: the driving mechanism comprises two longitudinal drivers connected to two sides of the goods taking hopper; the two sides of the goods taking hopper are respectively fixedly provided with a sliding block, two opposite side surfaces of the longitudinal driver are respectively provided with a sliding groove which is positioned on the same transverse plane and extends vertically, the sliding blocks are connected in the sliding grooves in a sliding manner, and an elastic piece is further arranged between the bottom surface of the sliding groove and the bottom surface of the sliding block.

9. A weighing conveyer for self-service vending machine as claimed in claim 8, wherein: the driving mechanism also comprises two horizontal drivers connected to the upper and lower ends of the two longitudinal drivers.

10. A weighing conveyer for self-service vending machine as claimed in claim 2, wherein: an elastic piece is arranged between the bottom surface of the weighing plate and the bottom surface of the goods taking hopper.