Weighing machine for quantitative packaging

Abstract

The utility model relates to the technical field of quantitative packaging, in particular to a weighing machine for quantitative packaging. Comprising a mounting frame, a stock bin is fixedly mounted at the top of the mounting frame, a discharging pipe is fixed and communicated to the bottom of the stock bin, the bottom end of the discharging pipe extends into the mounting frame, an electromagnetic valve assembly is arranged on the discharging pipe, a transverse plate is slidably mounted in the mounting frame, a container bottle matched with the discharging pipe is arranged at the top of the transverse plate, and the bottom end of the transverse plate is provided with an electromagnetic valve assembly. Two barrels are arranged on the inner wall of the bottom of the mounting frame, sliding plates and first springs are slidably mounted in the barrels, the top ends of the first springs make contact with the bottoms of the sliding plates, ejector rods are fixedly mounted at the tops of the sliding plates, and the top ends of the ejector rods extend out of the barrels and make contact with the transverse plates. By means of the simple adjusting structure, the closing assembly of the discharging electromagnetic valve can be adjusted conveniently, then the opening and closing duration of the electromagnetic valve can be adjusted conveniently, the packaging amount of industrial products can be effectively adjusted, and different packaging work requirements can be met conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of quantitative packaging, in particular to a weighing machine for quantitative packaging. Background Art

[0002] With the continuous development of economy and the deepening of industrialization, the market demand for various industrial products is increasing. Industrial products often need to be packaged during processing. Therefore, weighing machines are needed to quantitatively package industrial products, which brings great convenience to the packaging of industrial products. The prior art discloses a weighing device for quantitative packaging of gelatin with the authorization announcement number CN218967242U, including a weighing box, a weighing mechanism for weighing gelatin is provided on one side of the weighing box, the weighing mechanism extends into the inside of the weighing box, a conveying mechanism for collecting gelatin is provided at the bottom of the weighing box, a feeding bin for feeding is fixedly provided on the top of the weighing box, and an electromagnetic valve for controlling feeding is provided on the outside of the bottom end of the feeding bin. When weighing, the gelatin is poured onto the weighing plate. As the weight increases, the weighing plate moves downward and touches the button. The button controls the electromagnetic valve to close and starts the first motor to push the gelatin on the weighing plate outward. The pushed gelatin is collected in the collection box at the bottom of the weighing box, thereby achieving the purpose of quantitative weighing and the effect of automatic collection.

[0003] However, it was found during use that the above design is not convenient for adjusting the closing component of the discharge solenoid valve, which makes it difficult to adjust the opening and closing time of the solenoid valve and the packaging volume of industrial products, making it inconvenient to meet different packaging tasks. Utility Model Content

[0004] In view of the above problems, the purpose of the utility model is to provide a weighing machine for quantitative packaging, which is convenient for adjusting the closing component of the unloading solenoid valve, convenient for adjusting the opening and closing time of the solenoid valve, and can effectively adjust the packaging quantity of industrial products to meet different packaging tasks and solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the technical solution adopted by the utility model is as follows: a weighing machine for quantitative packaging, including a mounting frame, a silo is fixedly mounted on the top of the mounting frame, a discharge pipe is fixedly mounted on the bottom of the silo and connected, the bottom end of the discharge pipe extends into the mounting frame, a solenoid valve assembly is provided on the discharge pipe, a cross plate is slidably mounted in the mounting frame, a container bottle adapted to the discharge pipe is provided on the top of the cross plate, two cylinders are provided on the inner wall of the bottom of the mounting frame, a slide plate and a first spring are slidably mounted in the cylinder, the top end of the first spring contacts the bottom of the slide plate, and the slide plate is A push rod is fixedly installed on the top, and the top of the push rod extends outside the cylinder and contacts with the cross plate. A first contact piece is provided at the bottom of the cross plate. A circular tube with an open top is fixedly installed on the bottom inner wall of the installation frame. A sliding rod is slidably installed in the circular tube. The top of the sliding rod extends outside the circular tube and is provided with a second contact piece. The second contact piece is adapted to the first contact piece. A screw rod is provided at the bottom end of the sliding rod. A first bevel gear is fixedly sleeved on the screw rod. A rotating rod is provided on one side of the circular tube. One end of the rotating rod extends into the circular tube and is provided with a second bevel gear. The second bevel gear meshes with the first bevel gear.

[0006] In order to facilitate the replacement of different buffer mechanisms:

[0007] As a further improvement of the above technical solution: the cylinder body also includes a U-shaped block, which is fixedly mounted on the cylinder body, and the U-shaped block is in contact with an inner wall on one side of the installation frame. Two slots are provided on the inner walls on both sides of the installation frame, and a card plate is slidably installed in the slot, and the card plate is fixed on the corresponding U-shaped block. A card rod slides through the card plate, and slide grooves are provided on both sides of the installation frame, and two pull rods are slidably installed in the slide grooves, one end of the card rod extends into the slide groove and is fixed on the corresponding pull rod, and a second spring is provided in the slide groove, and the second spring is located between the two pull rods.

[0008] The beneficial effect of this improvement is that, through such an arrangement, it is convenient to quickly assemble and disassemble the buffer mechanism for weighing, thereby facilitating the replacement of different buffer mechanisms, and further facilitating the weighing of product packaging of different quantities, which brings great convenience to the packaging work.

[0009] In order to facilitate the limitation of the horizontal plate:

[0010] As a further improvement of the above technical solution: limiting grooves are provided on the inner walls on both sides of the installation frame, limiting blocks are slidably installed in the limiting grooves, and the limiting blocks are fixed on the transverse plate.

[0011] The beneficial effect of this improvement is that by setting the limiting groove and the limiting block, it is convenient to limit the cross plate.

[0012] In order to facilitate the ejector rod to enter and exit the cylinder:

[0013] As a further improvement of the above technical solution: a plurality of circular grooves are opened at the bottom of the horizontal plate, a circular plate is slidably installed in the circular groove, the circular plate is fixed to the top end of the corresponding push rod, a first through hole is penetrated on the top inner wall of the cylinder, and the push rod slides through the first through hole.

[0014] The beneficial effect of this improvement is that by providing the first through hole, it is convenient for the push rod to enter and exit the cylinder.

[0015] To facilitate the positioning of the slider:

[0016] As a further improvement of the above technical solution: a U-shaped bracket is fixedly installed on the bottom inner wall of the installation frame, the slide rod slides through the U-shaped bracket, a threaded groove is opened at the bottom end of the slide rod, and the screw rod is threadedly installed in the threaded groove.

[0017] The beneficial effect of this improvement is that by providing a U-shaped bracket, it is convenient to limit the sliding rod.

[0018] In order to facilitate the support and limit of the screw rod:

[0019] As a further improvement of the above technical solution: a support plate is fixedly installed in the circular tube, the screw rod rotates and penetrates the support plate, a second through hole is penetrated on the inner wall of one side of the circular tube, and the rotating rod rotates and penetrates the second through hole.

[0020] The beneficial effect of this improvement is that by providing a support plate, it is convenient to support and limit the screw rod.

[0021] To facilitate closing of the solenoid valve assembly:

[0022] As a further improvement of the above technical solution: the first contact piece and the second contact piece are both electrically connected to the solenoid valve assembly through a wire.

[0023] The beneficial effect of this improvement is that by such an arrangement, it is easy to close the solenoid valve assembly.

[0024] To prevent the tie rod and second spring from falling out of the slideway:

[0025] As a further improvement of the above technical solution: a pin hole is penetrated on the card plate, a third through hole is penetrated between the slide groove and the corresponding card groove, the card rod slides through the corresponding pin hole and the third through hole, a limit rod is fixedly installed in the slide groove, and the limit rod slides through the second spring and two pull rods.

[0026] The beneficial effect of this improvement is that by providing a limit rod, the pull rod and the second spring can be prevented from escaping from the slide groove.

[0027] The beneficial effects of the utility model are: through a simple adjustment structure, it is convenient to adjust the closing component of the unloading solenoid valve, and then to adjust the opening and closing time of the solenoid valve, which can effectively adjust the packaging volume of industrial products and meet different packaging tasks. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0029] Figure 2 For this utility model Figure 1 A schematic diagram of the enlarged structure of part A;

[0030] Figure 3 For this utility model Figure 1 A schematic diagram of the enlarged structure of part B;

[0031] Figure 4 For this utility model Figure 3 A schematic diagram of the enlarged structure of the middle C part;

[0032] Figure 5 This is a bottom-up three-dimensional structural diagram of the horizontal plate in the utility model;

[0033] Figure 6 It is a schematic diagram of the three-dimensional sectional combined assembly structure of the U-shaped clamping block and the clamping plate in the utility model.

[0034] In the figure: 1. mounting frame; 2. silo; 3. discharge pipe; 4. solenoid valve assembly; 5. cross plate; 6. container bottle; 7. cylinder; 8. slide plate; 9. first spring; 10. ejector rod; 11. first contact piece; 12. round tube; 13. slide bar; 14. second contact piece; 15. screw rod; 16. first bevel gear; 17. rotating rod; 18. second bevel gear; 19. U-shaped block; 20. slot; 21. card plate; 22. card bar; 23. slide slot; 24. pull rod; 25. second spring. DETAILED DESCRIPTION

[0035] In order to enable those skilled in the art to better understand the technical solution of the utility model, the utility model is described in detail below in conjunction with the accompanying drawings. The description in this part is only exemplary and explanatory and should not have any limiting effect on the protection scope of the utility model.

[0036] like Figure 1-6As shown, a weighing machine for quantitative packaging comprises a mounting frame 1, a silo 2 is fixedly mounted on the top of the mounting frame 1, a discharge pipe 3 is fixedly mounted on the bottom of the silo 2 and connected, the bottom end of the discharge pipe 3 extends into the mounting frame 1, a solenoid valve assembly 4 is provided on the discharge pipe 3, a transverse plate 5 is slidably mounted in the mounting frame 1, a container bottle 6 adapted to the discharge pipe 3 is provided on the top of the transverse plate 5, two cylinders 7 are provided on the bottom inner wall of the mounting frame 1, a slide plate 8 and a first spring 9 are slidably mounted in the cylinder 7, the top end of the first spring 9 contacts the bottom end of the slide plate 8, a push rod 10 is fixedly mounted on the top of the slide plate 8, the top end of the push rod 10 extends outside the cylinder 7 and contacts the transverse plate 5, and a first contact piece 11 is provided at the bottom of the transverse plate 5 A round tube 12 with an open top is fixedly installed on the inner wall of the bottom of the installation frame 1, and a slide rod 13 is slidably installed in the round tube 12. The top of the slide rod 13 extends to the outside of the round tube 12 and is provided with a second contact piece 14, and the second contact piece 14 is adapted to the first contact piece 11. A screw rod 15 is provided at the bottom end of the slide rod 13, and a first bevel gear 16 is fixedly sleeved on the screw rod 15. A rotating rod 17 is provided on one side of the round tube 12, and one end of the rotating rod 17 extends into the round tube 12 and is provided with a second bevel gear 18. The second bevel gear 18 is meshed with the first bevel gear 16. Through a simple adjustment structure, it is convenient to adjust the closing component of the blanking solenoid valve, and then it is convenient to adjust the opening and closing time of the solenoid valve, which can effectively adjust the packaging of industrial products. In order to meet different packaging needs, the cylinder 7 also includes a U-shaped block 19, which is fixedly sleeved on the cylinder 7. The U-shaped block 19 contacts the inner wall of one side of the installation frame 1. Two slots 20 are provided on the inner walls of both sides of the installation frame 1. A card plate 21 is slidably installed in the card slot 20. The card plate 21 is fixed on the corresponding U-shaped block 19. A card rod 22 is slidably penetrated on the card plate 21. Slide slots 23 are provided on both sides of the installation frame 1. Two pull rods 24 are slidably installed in the slide slots 23. One end of the card rod 22 extends into the slide slot 23 and is fixed on the corresponding pull rod 24. A second spring 25 is provided in the slide slot 23, and the second spring 25 is located between the two pull rods 24. , through such a configuration, it is convenient to quickly assemble and disassemble the buffer mechanism for weighing, so that it is convenient to replace different buffer mechanisms, and then it is convenient to weigh different amounts of product packaging, which brings great convenience to the packaging work. Limiting grooves are provided on the inner walls on both sides of the installation frame 1, and limiting blocks are slidably installed in the limiting grooves. The limiting blocks are fixed on the cross plate 5. By setting the limiting grooves and limiting blocks, it is convenient to limit the cross plate 5. A plurality of circular grooves are provided at the bottom of the cross plate 5, and a circular plate is slidably installed in the circular grooves. The circular plate is fixed to the top of the corresponding push rod 10. A first through hole is penetrated on the top inner wall of the cylinder 7, and the push rod 10 slides through the first through hole. By setting the first through hole, it is convenient for the push rod 10 to enter and exit the cylinder 7.A U-shaped bracket is fixedly installed on the bottom inner wall of the installation frame 1, and the slide bar 13 slides through the U-shaped bracket. A threaded groove is opened at the bottom end of the slide bar 13, and the screw rod 15 is threadedly installed in the threaded groove. By setting the U-shaped bracket, it is convenient to limit the slide bar 13. A support plate is fixedly installed in the round tube 12, and the screw rod 15 rotates and penetrates the support plate. A second through hole is penetrated on the inner wall of one side of the round tube 12, and the rotating rod 17 rotates and penetrates the second through hole. By setting the support plate, it is convenient to support and limit the screw rod 15. The first contact piece 11 and the second contact piece 14 are both electrically connected to the electromagnetic valve assembly 4 through a wire. By setting it in this way, it is convenient to close the electromagnetic valve assembly 4. The clamping plate 21 is penetrated with a pin hole, and a third through hole is penetrated between the slide groove 23 and the corresponding clamping groove 20. The clamping rod 22 slides through the corresponding pin hole and the third through hole. A limit rod is fixedly installed in the slide groove 23. The limit rod slides through the second spring 25 and the two pull rods 24. By setting the limit rod, the pull rod 24 and the second spring 25 can be prevented from being separated from the slide groove 23.

[0037] The working principle of the utility model is as follows: when in use, first place the container bottle 6 on the horizontal plate 5, align the opening of the container bottle 6 with the discharge pipe 3, then open the solenoid valve assembly 4, and the product in the silo 2 falls into the container bottle 6 through the discharge pipe 3. Under the action of gravity, the container bottle 6 drives the horizontal plate 5 to slide and descend in the installation frame 1, and the two ejector rods 10 are pressed and descended, so that the slide plate 8 is driven to slide and descend in the corresponding cylinder 7, and the first spring 9 is continuously compressed. At the same time, the horizontal plate 5 drives the first contact piece 11 to descend until the first contact piece 11 contacts the second contact piece 14, and the solenoid valve assembly 4 is closed, and the material discharge stops. When it is necessary to adjust When adjusting the amount of material to be discharged, first rotate the rotating rod 17, the rotating rod 17 drives the second bevel gear 18 to rotate, the second bevel gear 18 drives the first bevel gear 16 to rotate, the first bevel gear 16 drives the screw rod 15 to rotate, the screw rod 15 drives the slide bar 13 to slide into the round tube 12 until the second contact piece 14 contacts the U-shaped bracket, then place the container bottle 6 containing a suitable amount of product on the horizontal plate 5, so that the horizontal plate 5 is pressed down, and then the rotating rod 17 is rotated in the opposite direction, so that the slide bar 13 is driven to rise, so that the second contact piece 14 is driven to rise until it contacts the first contact piece 11, so that the position adjustment of the second contact piece 14 is completed, and then the feeding can be carried out. The quantitative packaging operation is performed. After the container bottle 6 is loaded with a suitable amount of product, the horizontal plate 5 and the first contact piece 11 are driven to descend. After the first contact piece 11 contacts the second contact piece 14, the electromagnetic valve assembly 4 is closed and the material discharge is stopped. Through such a setting, it is convenient to adjust the closing assembly of the unloading electromagnetic valve, and then to adjust the opening and closing time of the electromagnetic valve, which can effectively adjust the packaging volume of industrial products and meet different packaging tasks. When the buffer mechanism needs to be more slipped, first pull the corresponding two pull rods 24, so that the two pull rods 24 are driven to slide in the slide groove 23 and approach each other, so that the second spring 25 is compressed, and at the same time The pull rod 24 drives the card rod 22 to slide out of the corresponding card plate 21, so that the fixation of the card plate 21 is released, and then the top rod 10 is pulled down, so that the circular plate is driven to slide out of the corresponding circular groove, and then the cylinder 7 is pulled horizontally, so that the U-shaped card block 19 is pulled horizontally and moved, and the two card plates 21 are driven to slide out of the corresponding card slots 20 respectively, and the buffer mechanism is disassembled. Then the required buffer mechanism can be replaced. Through such a setting, it is convenient to quickly install and disassemble the buffer mechanism for weighing, so that it is convenient to replace different buffer mechanisms, and then it is convenient to carry out packaging and weighing of different quantities of products, which brings great convenience to the packaging work.

[0038] It should be noted that, in this article, the terms "comprises", "includes" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or apparatus that includes a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or apparatus.

[0039] This article uses specific examples to illustrate the principles and implementation methods of the utility model. The above examples are only used to help understand the method and core ideas of the utility model. The above is only the preferred implementation method of the utility model. It should be pointed out that due to the limitations of textual expression, there are objectively infinite specific structures. For ordinary technicians in this technical field, without departing from the principle of the utility model, they can make several improvements, embellishments or changes, and can also combine the above technical features in an appropriate manner; these improvements, embellishments, changes or combinations, or the direct application of the concept and technical solution of the utility model to other occasions without improvement, should be regarded as the protection scope of the utility model.

Claims

1. A weighing machine for quantitative packaging, comprising a mounting frame (1), characterized in that: A silo (2) is fixedly mounted on the top of the installation frame (1), a discharge pipe (3) is fixedly mounted on the bottom of the silo (2) and connected to the silo (2), the bottom end of the discharge pipe (3) extends into the installation frame (1), a solenoid valve assembly (4) is provided on the discharge pipe (3), a transverse plate (5) is slidably mounted in the installation frame (1), a container bottle (6) adapted to the discharge pipe (3) is provided on the top of the transverse plate (5), two cylinders (7) are provided on the inner wall of the bottom of the installation frame (1), a slide plate (8) and a first spring (9) are slidably mounted in the cylinder (7), the top end of the first spring (9) is in contact with the bottom of the slide plate (8), a push rod (10) is fixedly mounted on the top of the slide plate (8), the top end of the push rod (10) extends to the outside of the cylinder (7) and is in contact with the transverse plate (6). The mounting frame (1) is in contact with the plate (5), a first contact piece (11) is provided at the bottom of the horizontal plate (5), a circular tube (12) with an open top is fixedly installed on the inner wall of the bottom of the mounting frame (1), a sliding rod (13) is slidably installed in the circular tube (12), the top of the sliding rod (13) extends outside the circular tube (12) and is provided with a second contact piece (14), the second contact piece (14) is matched with the first contact piece (11), a screw rod (15) is provided at the bottom end of the sliding rod (13), a first bevel gear (16) is fixedly sleeved on the screw rod (15), a rotating rod (17) is provided on one side of the circular tube (12), one end of the rotating rod (17) extends into the circular tube (12) and is provided with a second bevel gear (18), the second bevel gear (18) is meshed with the first bevel gear (16).

2. A quantitative packaging weighing machine according to claim 1, characterized in that: The cylinder (7) further comprises a U-shaped card block (19), wherein the U-shaped card block (19) is fixedly sleeved on the cylinder (7), and the U-shaped card block (19) contacts an inner wall of one side of the installation frame (1). Two card slots (20) are provided on the inner walls of both sides of the installation frame (1), and a card plate (21) is slidably installed in the card slot (20), and the card plate (21) is fixed on the corresponding U-shaped card block (19). A card rod (22) is slidably passed through the card plate (21), and a slide groove (23) is provided on both sides of the installation frame (1), and two pull rods (24) are slidably installed in the slide groove (23), one end of the card rod (22) extends into the slide groove (23) and is fixed on the corresponding pull rod (24), and a second spring (25) is provided in the slide groove (23), and the second spring (25) is located between the two pull rods (24).

3. A quantitative packaging weighing machine according to claim 1, characterized in that: Limiting grooves are provided on the inner walls on both sides of the installation frame (1), and limiting blocks are slidably installed in the limiting grooves, and the limiting blocks are fixed on the transverse plate (5).

4. A quantitative packaging weighing machine according to claim 1, characterized in that: A plurality of circular grooves are provided at the bottom of the horizontal plate (5), and circular plates are slidably installed in the circular grooves. The circular plates are fixed to the top ends of the corresponding push rods (10). A first through hole is penetrated on the top inner wall of the cylinder (7), and the push rod (10) slides through the first through hole.

5. A quantitative packaging weighing machine according to claim 1, characterized in that: A U-shaped bracket is fixedly mounted on the inner wall of the bottom of the installation frame (1), the sliding rod (13) slides through the U-shaped bracket, a threaded groove is formed at the bottom end of the sliding rod (13), and the screw rod (15) is threadedly mounted in the threaded groove.

6. A quantitative packaging weighing machine according to claim 1, characterized in that: A support plate is fixedly installed in the circular tube (12), the screw rod (15) rotates and penetrates the support plate, a second through hole is penetrated on the inner wall of one side of the circular tube (12), and the rotating rod (17) rotates and penetrates the second through hole.

7. A quantitative packaging weighing machine according to claim 1, characterized in that: The first contact piece (11) and the second contact piece (14) are both electrically connected to the solenoid valve assembly (4) via wires.

8. A quantitative packaging weighing machine according to claim 2, characterized in that: The card plate (21) is penetrated by a pin hole, a third through hole is penetrated between the slide groove (23) and the corresponding card groove (20), the card rod (22) slides through the corresponding pin hole and the third through hole, a limit rod is fixedly installed in the slide groove (23), and the limit rod slides through the second spring (25) and two pull rods (24).

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