Lifting type weighing mechanism of packaging machine

Abstract

The utility model relates to the field of weighing packaging machines, and discloses a lifting type weighing mechanism of a packaging machine, which comprises a base, the top side of the base is connected with a fixing plate through a lifting assembly, the top side of the fixing plate is fixedly connected with a weighing platform, and the left side and the right side of the weighing platform are connected with baffles through locking assemblies. The bottom side of the weighing table is connected with the top side of the base through four supporting assemblies, a motor is installed on the bottom side of the base through a fixing frame, and the bottom end of the lifting assembly is connected with the driving end of the motor through a linkage assembly. According to the weighing device, the motor is started to drive the belt wheels to rotate, the three belt wheels are driven to rotate through the transmission belt, three threaded rods are driven to rotate, the weighing table is driven to ascend and descend, packaged products are better weighed, meanwhile, a baffle can be rapidly detached from the weighing table by shifting a shifting piece, and the weighing device is convenient to use and high in practicability. Products can be conveniently weighed in cooperation with a packaging machine, and the production efficiency can be conveniently improved.

Description

Technical Field

[0001] The utility model relates to the field of weighing packaging machines, in particular to a lifting weighing mechanism of a packaging machine. Background Art

[0002] Automatic packaging machines are widely used in many industries. For example, the pharmaceutical, food, chemical and other industries use automatic packaging machines to automatically package their large-scale powdered, crystalline, granular and other products into plastic bags according to the required weight for sale and convenience for users. Measuring is an important function that automatic packaging machines must have, and the lifting weighing mechanism of the packaging machine is needed during use.

[0003] After searching, the announcement number CN219869921U is a lifting weighing mechanism of a vertical automatic packaging machine, including a fixed frame and a weighing machine, the weighing machine is fixedly connected with a threaded sleeve at the lower side, the threaded sleeve is fixedly sleeved with a collar outside, the lower end of the left side of the collar is fixedly connected with a telescopic rod, the inner wall of the threaded sleeve is threadedly connected with a threaded rod, the outer wall of the lower side of the threaded rod is fixedly sleeved with a second bevel gear, the second bevel gear is meshedly connected with a first bevel gear, the right side of the first bevel gear is fixedly connected with a first drive motor, and the lower side of the fixed frame is fixedly connected with a second drive motor. The lifting weighing mechanism of the vertical automatic packaging machine realizes height adjustment by driving the first bevel gear to mesh with the second bevel gear to drive the threaded rod to drive the threaded sleeve to drive the weighing machine upward, thereby avoiding damage to the weighing machine caused by the impact force of the weighing bag falling.

[0004] Based on the above patent, its background technology mentions that due to the length of the packaging bag being too long, the weighing mechanism is easily damaged when it falls and cannot meet production needs. In this regard, in response to this technical problem, this application proposes a lifting weighing mechanism for a packaging machine. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and the lifting weighing mechanism of the packaging machine is proposed. The lifting weighing mechanism drives the pulley to rotate by starting the motor and drives the three pulleys to rotate by the transmission belt, so as to drive the three threaded rods to rotate and drive the weighing platform to rise and fall, so as to better weigh the packaged products. At the same time, the baffle can be quickly disassembled from the weighing platform by turning the paddle, so as to cooperate with the packaging machine to weigh the products and improve the production efficiency.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lifting weighing mechanism of a packaging machine includes a base, the top side of the base is connected to a fixed plate through a lifting assembly, the top side of the fixed plate is fixedly connected to a weighing platform, the left and right sides of the weighing platform are connected to baffles through locking assemblies, the bottom side of the weighing platform is connected to the top side of the base through four supporting assemblies, a motor is installed on the bottom side of the base through a fixed frame, and the bottom end of the lifting assembly is connected to the motor drive end through a linkage assembly.

[0007] Furthermore, the lifting assembly includes three threaded rods arranged on the top side of the base and three threaded sleeves fixedly connected to the bottom side of the fixed plate, and the top ends of the three threaded rods are respectively arranged on the bottom sides of the three threaded sleeves.

[0008] Furthermore, the linkage assembly includes three pulleys fixedly connected to the bottom sides of the three threaded rods respectively, the outer walls of the three pulleys are connected by a transmission belt, and the motor driving end is connected to the bottom side of the pulley on the right side.

[0009] Furthermore, the locking assembly includes two springs 2 arranged on the bottom sides of the front and rear ends of the baffle, the two springs 2 are fixedly connected to the limiting shaft at one end away from each other, and the outer walls of the two limiting shafts at one end close to each other are fixedly connected to the paddles.

[0010] Furthermore, two slots are provided on the top side of the weighing platform, the bottom ends of the two baffles are arranged inside the slots, two sliding slots are provided on the left and right sides of the weighing platform, and the paddles are arranged inside the sliding slots.

[0011] Furthermore, the support assembly includes four slide bars fixedly connected to the bottom side of the weighing platform, the bottom end tubes of the four slide bars pass through the top side of the base, and the outer walls of the four slide bars are all sleeved with springs.

[0012] Furthermore, the top ends of the four springs are all fixedly connected to the bottom side of the fixed plate, and the bottom ends of the four springs are all fixedly connected to the top side of the base.

[0013] Furthermore, four supporting shafts are fixedly connected to the bottom side of the base.

[0014] The utility model has the following beneficial effects:

[0015] 1. In the utility model, after the packaging machine packages the product, the starting motor can drive the cooperation between the pulley and the belt to drive the three threaded rods to rotate inside the threaded sleeve, and then cooperate with the spring 1 and the slide rod to make the weighing platform rise and fall, so as to place the packaged product on the weighing platform, avoid the packaged product from damaging the weighing platform, and improve the production efficiency of the product.

[0016] 2. In the utility model, when the product is packaged by the packaging machine, the two baffles can be removed and installed from the weighing platform by turning the paddle, which is convenient for protecting the product placed on the weighing platform, facilitating better packaging and weighing of the product with the packaging machine, and improving the production efficiency of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A three-dimensional diagram of the lifting weighing mechanism of the packaging machine proposed by the utility model;

[0018] Figure 2 This is a schematic diagram of the pulley structure of the lifting weighing mechanism of the packaging machine proposed by the utility model;

[0019] Figure 3 The utility model is a schematic diagram of the limit shaft structure of the lifting weighing mechanism of the packaging machine.

[0020] Legend:

[0021] 1. Base; 2. Sliding rod; 3. Spring 1; 4. Weighing platform; 5. Baffle; 6. Fixed plate; 7. Threaded sleeve; 8. Threaded rod; 9. Pulley; 10. Transmission belt; 11. Motor; 12. Paddle; 13. Spring 2; 14. Limiting shaft. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] Reference Figure 1-3 , the utility model provides an embodiment: a lifting weighing mechanism of a packaging machine, including a base 1, a fixing plate 6 is connected to the top side of the base 1 through a threaded rod 8, a weighing platform 4 is fixedly connected to the top side of the fixing plate 6, and baffles 5 are connected to the left and right sides of the weighing platform 4 through limit shafts 14 and paddles 12. The bottom side of the weighing platform 4 is connected to the top side of the base 1 through four slide bars 2, a motor 11 is installed on the bottom side of the base 1 through a fixed frame, the bottom end of the threaded rod 8 is connected to the driving end of the motor 11 through a pulley 9 and a transmission belt 10, and four slide bars 2 are fixedly connected to the bottom side of the weighing platform 4. The bottom end tubes of the four slide bars 2 pass through the top side of the base 1, and the outer walls of the four slide bars 2 are sleeved with springs 3. The top ends of the four springs 3 are fixedly connected to the bottom side of the fixing plate 6, and the bottom ends of the four springs 3 are fixedly connected to the top side of the base 1. The bottom side of the base 1 is fixedly connected with four supporting shafts;

[0024] Specifically, after the packaging machine has packaged the product, the starting motor 11 can be used to drive the pulley 9 and then cooperate with the transmission belt 10 to drive the three threaded rods 8 to rotate on the top side of the base 1, so as to drive the fixed plate 6 and the weighing platform 4 to rise and fall. At the same time, the four slide bars 2 connected to the bottom side of the weighing platform 4 cooperate with the spring 3 to make the lifting and lowering of the weighing platform 4 on the base 1 more stable, so that the product placed on the weighing platform 4 is more stable during the lifting. At the same time, by toggling the paddle 12, the limit shaft 14 is compressed into the inside of the baffle 5, so that the baffle 5 on the weighing platform 4 can be quickly disassembled and installed, which is convenient for cooperating with the packaging machine for weighing. At the same time, it is convenient to protect the products placed on the weighing platform 4 to avoid damage caused by falling during lifting, so as to improve the production efficiency of the products.

[0025] Reference Figure 1-3 , three threaded rods 8 are arranged on the top side of the base 1 and three threaded sleeves 7 are fixedly connected to the bottom side of the fixed plate 6, the top ends of the three threaded rods 8 are respectively arranged on the bottom sides of the three threaded sleeves 7, and the three pulleys 9 are respectively fixedly connected to the bottom sides of the three threaded rods 8, the outer walls of the three pulleys 9 are connected by a transmission belt 10, the driving end of the motor 11 is connected to the bottom side of the right pulley 9, two springs 13 are arranged on the bottom sides of the front and rear ends of the baffle 5, the two springs 13 are fixedly connected to the limiting shaft 14 at one end away from each other, and the outer walls of the two limiting shafts 14 are fixedly connected to the paddles 12 at the close end, the top side of the weighing platform 4 is provided with two slots, the bottom ends of the two baffles 5 are arranged inside the slots, the left and right sides of the weighing platform 4 are provided with two sliding grooves, and the paddles 12 are arranged inside the sliding grooves;

[0026] Specifically, when the packaged product is placed on the weighing platform 4, the right pulley 9 can be driven to rotate by starting the motor 11 and then the other two pulleys 9 can be driven to rotate by the transmission belt 10, so as to drive the three threaded rods 8 to rotate, and then cooperate with the three threaded sleeves 7 fixed on the bottom side of the fixed plate 6 to drive the weighing platform 4 to rise and fall. At the same time, when the packaged product is placed on the weighing platform 4, the limit shaft 14 can be driven to compress the spring 2 13 by toggling the paddle 12, so that the two baffles 5 can be quickly removed and installed from the weighing platform 4, so as to protect the products placed on the weighing platform 4 and avoid them from falling during the lifting process, which may cause damage to the products, thereby improving the production efficiency of the products.

[0027] Working principle: After the packaging machine has packaged the product, it can start the motor 11 to drive the right pulley 9 to rotate and then drive the other two pulleys 9 to rotate through the transmission belt 10, so as to drive the three threaded rods 8 to rotate, and then cooperate with the three threaded sleeves 7 fixed on the bottom side of the fixed plate 6 to drive the weighing platform 4 to rise and fall. At the same time, when the packaged product is placed on the weighing platform 4, the limit shaft 14 can be driven to compress the spring 2 13 by toggling the paddle 12, so as to realize the quick removal and installation of the two baffles 5 from the weighing platform 4, which is convenient for cooperating with the packaging machine for weighing, and at the same time, it is convenient to protect the products placed on the weighing platform 4 to avoid damage caused by falling during lifting, so as to improve the production efficiency of the products.

[0028] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A lifting weighing mechanism for a packaging machine, comprising a base (1), characterized in that: The top side of the base (1) is connected to a fixed plate (6) via a lifting assembly, the top side of the fixed plate (6) is fixedly connected to a weighing platform (4), the left and right sides of the weighing platform (4) are connected to baffles (5) via locking assemblies, the bottom side of the weighing platform (4) is connected to the top side of the base (1) via four supporting assemblies, a motor (11) is installed on the bottom side of the base (1) via a fixing frame, and the bottom end of the lifting assembly is connected to a driving end of the motor (11) via a linkage assembly.

2. The lifting weighing mechanism of the packaging machine according to claim 1, characterized in that: The lifting assembly comprises three threaded rods (8) arranged on the top side of the base (1) and three threaded sleeves (7) fixedly connected to the bottom side of the fixed plate (6), and the top ends of the three threaded rods (8) are respectively arranged on the bottom sides of the three threaded sleeves (7).

3. The lifting weighing mechanism of the packaging machine according to claim 2, characterized in that: The linkage assembly comprises three pulleys (9) respectively fixedly connected to the bottom sides of three threaded rods (8), the outer walls of the three pulleys (9) are connected via a transmission belt (10), and the driving end of the motor (11) is connected to the bottom side of the right pulley (9).

4. The lifting weighing mechanism of the packaging machine according to claim 1, characterized in that: The locking assembly comprises two springs (13) arranged at the bottom sides of the front and rear ends of the baffle (5), the two springs (13) are fixedly connected to the limiting shaft (14) at the separated ends, and the outer walls of the two limiting shafts (14) at the adjacent ends are fixedly connected to the paddles (12).

5. The lifting weighing mechanism of the packaging machine according to claim 4, characterized in that: The weighing platform (4) has two slots on its top side, the bottom ends of the two baffles (5) are arranged inside the slots, the weighing platform (4) has two sliding slots on its left and right sides, and the paddles (12) are arranged inside the sliding slots.

6. The lifting weighing mechanism of the packaging machine according to claim 1, characterized in that: The support assembly comprises four slide bars (2) fixedly connected to the bottom side of the weighing platform (4), the bottom end tubes of the four slide bars (2) penetrate the top side of the base (1), and the outer walls of the four slide bars (2) are all sleeved with springs (3).

7. The lifting weighing mechanism of the packaging machine according to claim 6, characterized in that: The top ends of the four springs (3) are all fixedly connected to the bottom side of the fixed plate (6), and the bottom ends of the four springs (3) are all fixedly connected to the top side of the base (1).

8. The lifting weighing mechanism of the packaging machine according to claim 1, characterized in that: Four supporting shafts are fixedly connected to the bottom side of the base (1).

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