Arc door feeding mechanism and feeding device

Abstract

The utility model discloses an arc door feeding mechanism and a feeding device. The arc door feeding mechanism comprises a fixing seat, a feeding mechanism and a feeding mechanism, a feeding port and a discharging port are formed in the feeding hopper; the feeding hopper is fixed on the fixed seat; the first radial gate and the second radial gate are both rotationally connected to the feeding hopper, and the first radial gate and the second radial gate rotate coaxially; a slow flow opening is formed in the first radial gate; the output ends of the first driving cylinder and the second driving cylinder are respectively connected with the first radial gate and the second radial gate so as to drive the first radial gate and the second radial gate to rotate; the radial gate feeding mechanism has a closed state that the first radial gate and the second radial gate are overlapped and blocked at the discharge port, a slow feeding state that the first radial gate is blocked at the discharge port and the second radial gate is rotationally separated from the discharge port, and a fast feeding state that the first radial gate and the second radial gate are rotationally separated from the discharge port. The radial gate feeding mechanism can achieve fast and slow feeding to meet the material weighing requirement, and is compact in structure and small in occupied space.

Description

TECHNICAL FIELD

[0001] The utility model relates to feeding device technical field especially relates to a kind of arc door feeding mechanism and feeding device. BACKGROUND

[0002] Feeding mechanism is a mechanism that transfers materials from one device / location to another, and is a necessary component for automated packaging equipment to achieve automatic and accurate filling. In the automated packaging industry, to achieve accurate filling of materials, it is undoubtedly to weigh the filling materials by using a load cell, and transmit the weight to an instrument, PLC or other electrical components through an electrical signal, and then control the feeding mechanism to achieve fast or slow feeding. Although the driving mode of the feeding mechanism is mostly pneumatic or electric, it is achieved by controlling the opening and closing size of the single arc door and cooperating with the flow regulating plate to achieve fast or slow feeding. However, the structure is complex and occupies a large space. When the effective space of the entire equipment is limited, it cannot meet the design requirements of the overall equipment. SUMMARY

[0003] Therefore, to solve the above problems in the prior art, the utility model provides an arc door feeding mechanism that achieves fast or slow feeding adjustment through double arc doors, and has a compact structure and occupies a small space. A feeding device including the arc door feeding mechanism is also provided.

[0004] Therefore, according to a first aspect, the utility model provides an arc door feeding mechanism, comprising:

[0005] a fixed seat;

[0006] a feeding hopper having an inlet and an outlet thereon; the feeding hopper is fixed to the fixed seat;

[0007] a first arc door and a second arc door, both of which are rotatably connected to the feeding hopper, and the first arc door and the second arc door rotate coaxially; the first arc door is provided with a slow flow port;

[0008] a first drive cylinder and a second drive cylinder, the output ends of which are connected to the first arc door and the second arc door respectively to drive the first arc door and the second arc door to rotate;

[0009] The arc door feeding mechanism has a closed state in which the first arc door and the second arc door are stacked and blocked at the outlet, a slow feeding state in which the first arc door is blocked at the outlet and the second arc door is rotated away from the outlet, and a fast feeding state in which the first arc door and the second arc door are both rotated away from the outlet.

[0010] Optionally, the first arc door includes a first side plate and a second side plate rotatably connected to the two sides of the feeding hopper, and a first arc-shaped baffle connected between the first side plate and the second side plate; the output end of the first drive cylinder is rotatably connected to the first side plate; the first arc-shaped baffle is provided with a slow flow port.

[0011] Optionally, the second arc door comprises a third side plate and a fourth side plate rotatably connected to two sides of the feeding hopper respectively, and a second arc-shaped baffle connected between the third side plate and the fourth side plate; an output end of the second driving air cylinder is rotatably connected to the fourth side plate; the third side plate is provided with a position-avoiding groove corresponding to a movement path of the output end of the first driving air cylinder.

[0012] Optionally, the feeding hopper is fixed with a first pin shaft and a second pin shaft on two sides respectively, and the first side plate and the third side plate are rotatably connected to the first pin shaft, and the second side plate and the fourth side plate are rotatably connected to the second pin shaft.

[0013] Optionally, the fixing seat comprises a first fixing frame and a second fixing frame, and the first fixing frame and the second fixing frame are respectively located on two sides of the feeding hopper and fixedly connected to the fixing plate arranged at the top end of the feeding hopper.

[0014] Optionally, tail ends of the first driving air cylinder and the second driving air cylinder are rotatably connected to the first fixing frame and the second fixing frame respectively.

[0015] According to the second aspect, the utility model also provides a feeding device, the feeding device comprises a weighing hopper, the weighing hopper is provided with the arc door feeding mechanism of the first aspect or any one of the first aspect, and the arc door feeding mechanism is located at the discharge port of the weighing hopper, and the material in the weighing hopper falls into the packaging bag through the arc door feeding mechanism in the slow feeding state or the fast feeding state.

[0016] Optionally, the feeding device further comprises a bag clamping mechanism, which is arranged outside the end portion where the discharge port of the weighing hopper is located, and is used to clamp and fix the bag opening of the packaging bag to the periphery of the discharge port.

[0017] The technical scheme provided by the utility model has the following advantages:

[0018] The arc door feeding mechanism provided by the utility model comprises a feeding hopper, a first arc door and a second arc door rotatably arranged on the feeding hopper, and a first driving air cylinder and a second driving air cylinder rotatably connected to the first arc door and the second arc door respectively, wherein the first arc door is provided with a slow flow opening, and the second arc door is provided with a fast flow opening; the first driving air cylinder is rotatably connected to a first side plate and a third side plate arranged on two sides of the feeding hopper respectively, and the second driving air cylinder is rotatably connected to a second side plate and a fourth side plate arranged on two sides of the feeding hopper respectively; the first driving air cylinder and the second driving air cylinder are rotatably connected to a fixing seat arranged on two sides of the feeding hopper respectively. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings required to be used in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings described in the following are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0020] Figure 1 And Figure 2 A structural schematic view of an arc gate feeding mechanism provided by an embodiment of the present application is shown in the figure.

[0021] Figure 3 A specific structural schematic view of a first arc gate and a second arc gate provided by an embodiment of the present application is shown in the figure.

[0022] Figure 4 A state schematic view of the arc gate feeding mechanism provided by an embodiment of the present application in a closed state is shown in the figure.

[0023] Figure 5 A state schematic view of the arc gate feeding mechanism provided by an embodiment of the present application in a slow feeding state is shown in the figure.

[0024] Figure 6 A state schematic view of the arc gate feeding mechanism provided by an embodiment of the present application in a fast feeding state is shown in the figure.

[0025] Reference signs

[0026] 1-fixed seat; 11-first fixed frame; 12-second fixed frame;

[0027] 2-feeding hopper; 21-discharge port; 22-fixed plate; 23-slope surface;

[0028] 3-first arc gate; 31-slow flow port; 32-first side plate; 33-second side plate; 34-first arc-shaped baffle;

[0029] 4-second arc gate; 41-third side plate; 42-fourth side plate; 43-second arc-shaped baffle; 44-avoiding groove;

[0030] 5-first driving cylinder;

[0031] 6-second driving cylinder;

[0032] 7-first pin shaft;

[0033] 8-second pin shaft. DETAILED DESCRIPTION

[0034] The technical solutions of the present application will be described clearly and completely below with reference to the drawings. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by those skilled in the art without creative efforts belong to the scope of the present application.

[0035] In the description of the present application, it should be noted that the positions or location relationships indicated by the terms "upper", "lower", etc. are based on the positions or location relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0036] The present application provides a kind of feeding device, the feeding device includes weighing hopper, the weighing hopper has feeding port and discharge port, it can be weighed to the material that enters weighing hopper in feeding port, and arc door feeding mechanism is provided in the weighing hopper, the arc door feeding mechanism is set at the discharge port of weighing hopper, with fast feeding state and slow feeding state, so that weighing hopper can adjust the discharge speed in the process of weighing discharge, and then the material that falls into packaging bag via the arc door feeding mechanism under slow feeding state or fast feeding state is the required ration, realizes accurate weighing discharge.

[0037] In optional specific embodiments, the feeding device can also include a bag clamping mechanism, which is arranged outside the end portion of the discharge port of the weighing hopper, to clamp the packaging bag opening to the periphery of the discharge port of the weighing hopper, so that the material in the weighing hopper can directly fall into the packaging bag, achieving accurate feeding. Of course, when the pre-set ration of material is discharged into the packaging bag, the arc door feeding mechanism will switch to the closed state, and the bag clamping mechanism will also release the packaging bag. The released packaging bag can be transported to the bag sealing device for bag sealing and other operations, which is not limited in the present embodiment.

[0038] Figures 1-3 Fig. 1 shows a structural schematic diagram of the arc door feeding mechanism according to an embodiment of the present application. Figure 1 and Figure 2As shown, the arc gate feeding mechanism in the embodiment includes a fixed seat 1, a feeding hopper 2, a first arc gate 3, a second arc gate 4, a first driving cylinder 5 and a second driving cylinder 6. Among them, the feeding hopper 2 is fixed on the fixed seat 1; the first arc gate 3 and the second arc gate 4 are both rotationally connected to the feeding hopper 2, the first arc gate 3 and the second arc gate 4 rotate coaxially, and the first arc gate 3 is provided with a slow flow port 31; the output ends of the first driving cylinder 5 and the second driving cylinder 6 are respectively connected with the first arc gate 3 and the second arc gate 4 to drive the first arc gate 3 and the second arc gate 4 to rotate; the arc gate feeding mechanism has a closed state (as shown in Figure 4 ) of the first arc gate 3 and the second arc gate 4 stacked and blocked at the discharge port 21, a slow feeding state (as shown in Figure 5 ) of the first arc gate 3 blocked at the discharge port 21 and the second arc gate 4 rotated away from the discharge port 21, and a fast feeding state (as shown in Figure 6 ) of the first arc gate 3 and the second arc gate 4 both rotated away from the discharge port 21.

[0039] Those skilled in the art should understand that, based on the blocking requirement of the second arc gate 4 to the slow flow port 31 on the first arc gate 3, the second arc gate 4 is arranged on the side of the first arc gate 3 away from the feeding hopper 2, that is, the first arc gate 3 is arranged between the second arc gate 4 and the feeding hopper 2.

[0040] Please refer to Figure 1 and Figure 2 , the fixed seat 1 can include a first fixed frame 11 and a second fixed frame 12, the first fixed frame 11 and the second fixed frame 12 are respectively located on both sides of the feeding hopper 2 and are fixedly connected with the fixed plate 22 arranged at the top end of the feeding hopper 2.

[0041] In specific implementation, the tail ends of the first driving cylinder 5 and the second driving cylinder 6 are respectively rotationally connected to the first fixed frame 11 and the second fixed frame 12.

[0042] In specific implementation, the fixed holes on the first fixed frame 11 and the second fixed frame 12 can be waist-shaped holes to facilitate the adjustment of the position of the feeding hopper 2 relative to the first fixed frame 11 and the second fixed frame 12 according to the requirements in actual application.

[0043] In specific implementation, the fixed plate 22 at the top end of the feeding hopper 2 can be formed by outwardly folding the edge of the feeding port of the feeding hopper 2.

[0044] In specific implementation, in order to facilitate feeding of the feeding hopper 2 and further improve the compactness of the structure of the arc gate feeding mechanism in the embodiment, as shown in Figure 1As shown, the slope angle of the slope surface 23 of the top of the side surface between the two fixed sides (the two sides of the feeding hopper 2 fixed with the first arc door 3, and the two sides of the feeding hopper 2 fixed with the second arc door 4, which are the two fixed sides) of the feeding hopper 2 (i.e. the part close to the feeding inlet) can be set to be small, so as to make full use of the space of the top when the first arc door 3 rotates to the side surface, increase the caliber of the feeding inlet, and facilitate feeding. In specific implementation, the edge of the discharge port 21 corresponding to the rotating path of the first arc door 3 can be set to be an arc-shaped edge, so as to improve the close-fitting tightness of the first arc door 3 and the second arc door 4.

[0045] Please refer to Figures 1-3 The first arc door 3 can be set to include a first side plate 32 and a second side plate 33 rotatably connected to the two sides of the feeding hopper 2 respectively, and a first arc-shaped baffle 34 connected between the first side plate 32 and the second side plate 33; the output end of the first driving air cylinder 5 is rotatably connected to the first side plate 32; and the first arc-shaped baffle 34 is provided with a slow-flow port 31.

[0046] Please refer to Figures 1-3 The second arc door 4 can be set to include a third side plate 41 and a fourth side plate 42 rotatably connected to the two sides of the feeding hopper 2 respectively, and a second arc-shaped baffle 43 connected between the third side plate 41 and the fourth side plate 42; the output end of the second driving air cylinder 6 is rotatably connected to the fourth side plate 42; and the third side plate 41 is provided with an avoidance groove 44 corresponding to the movement path of the output end of the first driving air cylinder 5. Specifically, the avoidance groove 44 is also an arc-shaped groove.

[0047] In specific implementation, a first pin shaft 7 and a second pin shaft 8 can be fixedly arranged on the two sides of the feeding hopper 2 respectively, and the first side plate 32 and the third side plate 41 are rotatably connected to the first pin shaft 7, and the second side plate 33 and the fourth side plate 42 are rotatably connected to the second pin shaft 8.

[0048] In summary, in the arc door feeding mechanism in the embodiment, the first arc door 3 and the second arc door 4 are arranged to rotate coaxially on the feeding hopper 2, and only the slow-flow port 31 is arranged on the first arc door 3, so that only two arc doors (the first arc door 3 and the second arc door 4) need to be driven to rotate away from or return to the feeding inlet, and the switching between the closed state, the fast feeding state and the slow feeding state of the arc door feeding mechanism can be realized, and then the driving of the first arc door 3 and the second arc door 4 can be realized by the basic driving air cylinder (i.e. the first driving air cylinder 5 and the second driving air cylinder 6), without using a servo motor or a multi-position air cylinder with a solenoid valve (based on the use requirement of controlling the opening and closing size of a single arc-shaped door in the prior art; and the first arc door 3 and the second arc door 4 in the utility model only have two position states, without the use requirement), so that the fast and slow feeding can meet the material weighing requirement, the structure of the arc door feeding mechanism is simplified, the structural compactness is improved, the occupied space is reduced, and the space design requirement of the equipment containing the arc door feeding mechanism is met.

[0049] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. Other different forms of changes or variations can be made on the basis of the above description for those skilled in the art. Here, all the embodiments need not and can not be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the present application.

Claims

1. An arc gate feeding mechanism, characterized by, The utility model relates to a slow-fast feeding mechanism of arc gate, which comprises the following parts: A fixed seat (1) is provided with a feeding hopper (2) with an inlet and an outlet (21) on the top, and the feeding hopper (2) is fixed on the fixed seat (1); A first arc gate (3) and a second arc gate (4) are both rotatably connected to the feeding hopper (2), and the first arc gate (3) and the second arc gate (4) rotate coaxially; the first arc gate (3) is provided with a slow flow port (31); A first driving cylinder (5) and a second driving cylinder (6) are connected to the first arc gate (3) and the second arc gate (4) respectively to drive the rotation of the first arc gate (3) and the second arc gate (4); The slow-fast feeding mechanism of arc gate has a closed state in which the first arc gate (3) and the second arc gate (4) are stacked and blocked at the outlet (21), a slow feeding state in which the first arc gate (3) is blocked at the outlet (21) and the second arc gate (4) is rotated away from the outlet (21), and a fast feeding state in which the first arc gate (3) and the second arc gate (4) are both rotated away from the outlet (21). The first arc gate (3) comprises a first side plate (32) and a second side plate (33) rotatably connected to the two sides of the feeding hopper (2) respectively, and a first arc-shaped baffle (34) connected between the first side plate (32) and the second side plate (33); the output end of the first driving cylinder (5) is rotatably connected to the first side plate (32); the first arc-shaped baffle (34) is provided with a slow flow port (31).

2. The arc gate feeding mechanism of claim 1, wherein, The second arc gate (4) comprises a third side plate (41) and a fourth side plate (42) rotatably connected to the two sides of the feeding hopper (2) respectively, and a second arc-shaped baffle (43) connected between the third side plate (41) and the fourth side plate (42); the output end of the second driving cylinder (6) is rotatably connected to the fourth side plate (42); the third side plate (41) is provided with an avoidance slot (44) corresponding to the movement path of the output end of the first driving cylinder (5).

3. The arc gate feeding mechanism of claim 2, wherein, The two sides of the feeding hopper (2) are respectively fixed with a first pin shaft (7) and a second pin shaft (8), the first side plate (32) and the third side plate (41) are rotatably connected to the first pin shaft (7), and the second side plate (33) and the fourth side plate (42) are rotatably connected to the second pin shaft (8).

4. The arc gate feeding mechanism of claim 3, wherein, The fixed seat (1) comprises a first fixed frame (11) and a second fixed frame (12), and the first fixed frame (11) and the second fixed frame (12) are respectively located at the two sides of the feeding hopper (2) and are fixedly connected with a fixed plate (22) arranged at the top end of the feeding hopper (2).

5. Arc gate feeding mechanism according to any of claims 1-4, characterized in that The tail ends of the first driving cylinder (5) and the second driving cylinder (6) are rotatably connected to the first fixed frame (11) and the second fixed frame (12) respectively.

6. The arc gate feeding mechanism of claim 5, wherein, The utility model relates to a slow-fast feeding mechanism of arc gate, which comprises the following parts:

7. A loading device, characterized by ​ A weighing hopper, wherein the arc gate feeding mechanism according to any one of claims 1-6 is arranged in the weighing hopper and located at a discharge port of the weighing hopper, and the material in the weighing hopper falls into the packaging bag through the arc gate feeding mechanism in the slow feeding state or the fast feeding state.

8. The loading device of claim 7, wherein, Further comprising: A bag clamping mechanism arranged outside the end portion where the discharge port of the weighing hopper is located, for clamping the bag opening of the packaging bag to the periphery of the discharge port.

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