Weighing device of packaging machine

Abstract

The utility model relates to the technical field of packaging machine weighing, and discloses a packaging machine weighing device which comprises a shell, the top of the shell communicates with a feeding hopper, fixing plates are symmetrically installed on the left inner wall and the right inner wall of the shell correspondingly, springs are installed on the tops of the fixing plates correspondingly, the tops of the multiple springs are connected with the same filter plate, and the filter plate is connected with the feeding hopper. The middle of the filter plate fixedly communicates with a discharging pipe, the bottom of the discharging pipe is slidably connected with a discharging bin, the interior of the discharging bin is rotatably connected with a quantitative wheel, and the top of the discharging bin communicates with a sleeve slidably arranged on the outer side of the discharging pipe in a sleeving mode. According to the packaging and weighing device, the filtering plate is arranged in the shell, and the discharging pipe, the sleeve, the discharging bin, the quantitative wheel and the discharging pipe are arranged in a matched mode, so that products can be filtered firstly, then the products fall quantitatively, the influence of unqualified products and impurities is reduced, and the packaging and weighing precision of the products is guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of packaging machine weighing, and in particular to a packaging machine weighing device. Background Art

[0002] For example, a Chinese utility model patent with announcement number CN217624236U discloses a quantitative weighing device for a packaging machine, including a shell and a controller, a first motor is fixedly connected at an upper position on the inner side of the rear end face of the shell, a first gear is fixedly connected to the end of the main shaft of the first motor, a second gear is meshed on the outer side of the first gear, a lower bin is fixedly connected to the inner side of the second gear through a rotating shaft, the inner side of the lower bin is divided into six equal small bins by a partition plate, a baffle is slidably connected to the inner side of the lower bin, a notch is provided on the inner side of the baffle, a hopper is fixedly connected to the upper part of the shell, one end of a lowering pipe is connected to the lower part of the hopper, and the other end of the lowering pipe is slidably connected to the lower bin, so that the intermittent overlap of the lower bin and the lowering pipe can be utilized to make the product fall quantitatively, and the baffle can change the amount of quantitative falling, so as to solve the problem that the existing quantitative weighing equipment is generally a fixed weight, which will reduce the application scope of the overall device;

[0003] With respect to the above-mentioned related technologies, the inventors believe that when the existing packaging machine weighing device weighs the product, unqualified products and impurities therein will affect the packaged products, resulting in inaccurate product weighing and reducing the practicality of the device.

[0004] The above information disclosed in the background technology is only used to increase the understanding of the background technology of the present application, and therefore, it may include information that does not constitute the prior art known to ordinary technicians in the field. Utility Model Content

[0005] In order to solve the problem that when a packaging machine weighing device in the related art weighs products, unqualified products and impurities will affect the packaged products, resulting in inaccurate product weighing and reducing the practicality of the device, the present application provides a packaging machine weighing device.

[0006] The present application provides a packaging machine weighing device that adopts the following technical solution:

[0007] A weighing device for a packaging machine comprises a shell, the top of which is connected to a feed hopper, and fixed plates are symmetrically installed on the left and right inner walls of the shell, the tops of the fixed plates are installed with springs, the tops of multiple springs are connected to the same filter plate, the middle of the filter plate is fixedly connected to a feed pipe, the bottom of the feed pipe is slidably connected to a feed bin, the interior of the feed bin is rotatably connected to a metering wheel, and the top of the feed bin is connected to a sleeve slidably mounted on the outside of the feed pipe, the bottom of the feed bin is connected to a discharge pipe that passes through the shell, and the front and rear side walls of the shell are rotatably connected to a drive shaft, which passes through the feed bin and is fixedly connected to the metering wheel.

[0008] Preferably, a first motor is symmetrically mounted on the left and right outer walls of the shell, an output shaft of the first motor is fixedly connected to a rotating shaft, an end of the rotating shaft extends into the interior of the shell and is fixedly connected to a cam, and the cam conflicts with the filter plate.

[0009] Preferably, a second motor is fixedly mounted on the front end surface of the shell, and an output shaft of the second motor is fixedly connected to the driving shaft.

[0010] Preferably, a material guide seat is symmetrically installed on the inner side of the lower part of the shell, the inclination of the material guide seat is 45 degrees, and a slag discharge pipe is connected to the bottom wall of the shell.

[0011] Preferably, a solenoid valve is fixedly installed inside the discharge pipe.

[0012] Preferably, support legs are fixedly installed at the four corners of the bottom of the shell, and anti-slip pads are fixedly installed at the bottom of the support legs.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. The present invention provides a filter plate inside the housing, and is equipped with a feed pipe, a sleeve, a feed bin, a metering wheel and a discharge pipe, so that the product can be filtered first and then the product is quantitatively dropped, thereby reducing the influence of unqualified products and impurities and ensuring the accuracy of product packaging and weighing;

[0015] 2. The present application fixes a first motor on the outer wall of the shell, and cooperates with a rotating shaft, a cam, a fixing plate, a spring and a filter plate, so that by starting the first motor, the first motor drives the rotating shaft and the cam to rotate, thereby pushing the filter plate to vibrate up and down, thereby improving the filtering efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the embodiment of the application;

[0017] Figure 2is a schematic diagram of a half-section structure of a shell of an embodiment of the application;

[0018] Figure 3 It is a schematic diagram of the structure of a half-section of the lower silo of the application embodiment.

[0019] Explanation of the accompanying drawings: 1. Shell; 11. Material guide seat; 2. Feed hopper; 3. First motor; 31. Rotating shaft; 32. Cam; 4. Second motor; 5. Fixed plate; 51. Spring; 6. Filter plate; 61. Feed pipe; 62. Solenoid valve; 7. Feed bin; 71. Metering wheel; 72. Sleeve; 73. Discharge pipe; 8. Drive shaft; 9. Slag discharge pipe. DETAILED DESCRIPTION

[0020] The following is combined with Figure 1-3 This application is described in further detail.

[0021] The present application embodiment discloses a weighing device for a packaging machine. Figure 1-3 A weighing device for a packaging machine comprises a shell 1, the top of the shell 1 is connected to a feed hopper 2, and fixed plates 5 are symmetrically installed on the left and right inner walls of the shell 1, the top of the fixed plates 5 are installed with springs 51, the tops of multiple springs 51 are connected to the same filter plate 6, the middle of the filter plate 6 is fixedly connected to a feed pipe 61, the bottom of the feed pipe 61 is slidably connected to a feed bin 7, the interior of the feed bin 7 is rotatably connected to a quantitative wheel 71, and the top of the feed bin 7 is connected to a sleeve 72 slidably sleeved on the outside of the feed pipe 61, the bottom of the feed bin 7 is connected to a discharge pipe 73 that penetrates the shell 1, the front and rear side walls of the shell 1 are rotatably connected to a drive shaft 8, the drive shaft 8 penetrates the feed bin 7, and is fixedly connected to the quantitative wheel 71.

[0022] Here, the product to be packaged is added into the shell 1 through the feed hopper 2, and the added product is filtered through the filter plate 6, so that unqualified products and impurities are filtered and fall into the bottom of the shell 1, while qualified products fall into the discharge bin 7 through the discharge pipe 61 and the sleeve 72. When the drive shaft 8 is rotated, the drive shaft 8 can drive the metering wheel 71 to rotate, so that the product can fall in a certain quantity and weight, and be packaged through the discharge pipe 73.

[0023] Reference Figure 2 The first motor 3 is symmetrically installed on the left and right outer walls of the shell 1. The output shaft of the first motor 3 is fixedly connected to the rotating shaft 31. The end of the rotating shaft 31 extends into the interior of the shell 1 and is fixedly connected to a cam 32. The cam 32 conflicts with the filter plate 6.

[0024] Here, by starting the first motor 3, the first motor 3 drives the rotating shaft 31 to rotate, and the rotating shaft 31 can drive the cam 32 to rotate, so that the filter plate 6 can be pushed to vibrate up and down to perform the filtering operation.

[0025] Reference Figure 1 A second motor 4 is fixedly mounted on the front end surface of the housing 1 , and an output shaft of the second motor 4 is fixedly connected to the drive shaft 8 .

[0026] Here, by starting the second motor 4, the second motor 4 can drive the driving shaft 8 to rotate.

[0027] Reference Figure 2 A material guide seat 11 is symmetrically installed on the inner side of the lower part of the shell 1. The inclination of the material guide seat 11 is 45 degrees. A slag discharge pipe 9 is connected to the bottom wall of the shell 1.

[0028] Here, a material guide seat 11 is provided and the material guide seat 11 is set at 45 degrees, so that the discharge of the slag can be facilitated.

[0029] Reference Figure 3 A solenoid valve 62 is fixedly installed inside the feed pipe 61 .

[0030] Reference Figure 1 Support legs are fixedly installed at the four corners of the bottom of the shell 1, and anti-slip pads are fixedly installed at the bottom of the support legs.

[0031] Here, supporting legs are provided, and anti-skid pads are installed at the bottom of the supporting legs, so that the shell 1 can be stably supported.

[0032] The implementation principle of a weighing device for a packaging machine in an embodiment of the present application is as follows: when in use, the device is first placed at a designated position, and then the device is connected to an external power supply, and the product to be packaged is added into the shell body 1 through the feed hopper 2 and falls on the filter plate 6, and then the first motor 3 is started, the first motor 3 drives the rotating shaft 31 to rotate, the rotating shaft 31 drives the cam 32 to rotate, and the cam 32 can push the filter plate 6 to vibrate up and down to filter the product, so that unqualified products and impurities fall to the bottom of the shell body 1 and are discharged through the material guide seat 11 and the slag discharge pipe 9, while qualified products remain on the filter plate 6, and the solenoid valve 62 is opened so that the product can fall into the lower bin 7 through the lower feed pipe 61 and the sleeve 72, and then the second motor 4 is started, the second motor 4 drives the driving shaft 8 to rotate, and the driving shaft 8 drives the quantitative wheel 71 to rotate, so that it can be discharged through the discharge pipe 73, thereby completing the quantitative and weight packaging of the product.

[0033] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0034] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0035] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A weighing device for a packaging machine, comprising a housing (1), characterized in that: The top of the shell (1) is connected to a feed hopper (2), and fixed plates (5) are symmetrically installed on the left and right inner walls of the shell (1), and springs (51) are installed on the top of the fixed plates (5). The tops of multiple springs (51) are connected to the same filter plate (6), and the middle of the filter plate (6) is fixedly connected to a feed pipe (61), and the bottom of the feed pipe (61) is slidably connected to a feed bin (7), and the interior of the feed bin (7) is rotatably connected to a metering wheel (71), and the top of the feed bin (7) is connected to a sleeve (72) slidably sleeved on the outside of the feed pipe (61), and the bottom of the feed bin (7) is connected to a discharge pipe (73) that passes through the shell (1), and the front and rear side walls of the shell (1) are rotatably connected to a drive shaft (8), and the drive shaft (8) passes through the feed bin (7) and is fixedly connected to the metering wheel (71).

2. A packaging machine weighing device according to claim 1, characterized in that: A first motor (3) is symmetrically mounted on the left and right outer walls of the housing (1); an output shaft of the first motor (3) is fixedly connected to a rotating shaft (31); a distal end of the rotating shaft (31) extends into the interior of the housing (1) and is fixedly connected to a cam (32); the cam (32) is in contact with the filter plate (6).

3. A packaging machine weighing device according to claim 1, characterized in that: A second motor (4) is fixedly mounted on the front end surface of the housing (1), and an output shaft of the second motor (4) is fixedly connected to the drive shaft (8).

4. A packaging machine weighing device according to claim 1, characterized in that: A material guide seat (11) is symmetrically mounted on the inner side of the lower portion of the shell (1), the inclination of the material guide seat (11) being 45 degrees, and a slag discharge pipe (9) is connected to the bottom wall of the shell (1).

5. A packaging machine weighing device according to claim 1, characterized in that: A solenoid valve (62) is fixedly installed inside the feed pipe (61).

6. A packaging machine weighing device according to claim 1, characterized in that: Support legs are fixedly mounted at the four corners of the bottom of the shell (1), and anti-slip pads are fixedly mounted at the bottoms of the support legs.

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