Combined scale of screw type blanking device

Abstract

The invention discloses a screw-type blanking device combined scale, which comprises a middle conveying line, weighing devices, segmented conveying lines, a blanking device and a base, and is characterized in that the middle conveying line, the weighing devices, the segmented conveying lines, the blanking device and the base are located at two sides of the middle conveying line, each weighing device is provided with one segmented conveying line, and a discharging hopper is located at the top of a feeding bin. The bottom of the discharging hopper is communicated with the feeding bin, the first motor is located on the rear side of the feeding bin, a screw is arranged in the feeding bin, a spiral blade is arranged on the screw, the screw extends out of the feeding bin from the interior of the feeding bin, and the first motor is connected with the screw and drives the screw to rotate. A discharging pipe is arranged on the front side of the feeding bin downwards, the segmented conveying line is located on the lower portion of the discharging pipe, a weighed object is placed in the discharging hopper, the screw rotates to push the weighed object to the discharging pipe to fall onto the segmented conveying line to be weighed, and therefore the weighed object cannot adhere to the interior of the feeding bin. And the sealing device can open or close the discharging pipe, so that the weighing accuracy is improved.

Description

Technical fields:

[0001] This invention relates to the field of combination scales, and in particular to a screw-type feeding device combination scale. Background technology:

[0002] The combination scale adopts a belt conveyor structure with a main conveyor belt in the middle. Multiple weighing units are set on each side of the main conveyor belt, and each weighing unit is equipped with a weighing conveyor belt mechanism. A storage hopper is installed on the top of the weighing unit. During operation, the materials to be weighed (such as squid, cut pork, etc.) need to be manually placed into their respective storage hoppers, and then the storage hoppers are put into the weighing conveyor belt. The weight of the material is recorded on each weighing conveyor belt. Then, the control center combines multiple weight data and selects the combination closest to the rated weight. The control center then controls the corresponding weighing conveyor belt to transport the material on the belt to the main conveyor belt. The weight of the material on the main conveyor belt is the material closest to the rated weight after this combination and selection. The main conveyor belt transports the above materials into packaging bags or cans for packaging.

[0003] However, this type of combination scale is designed for weighed objects with dry surfaces and no sticky liquids. Therefore, the existing combination scale has the following problem: when weighed objects with sticky liquids are in the storage hopper, they tend to stick to the storage hopper and are not easy to fall off the weighing unit, thus affecting the weighing effect. Summary of the Invention:

[0004] Based on this, the present invention aims to overcome the defects of the prior art and provide a screw-type feeding device combination scale, which can solve the problem in the prior art that the weighed object with viscous liquid sticks to the hopper after weighing and is not easy to fall off, thus affecting the weighing effect.

[0005] The purpose of this invention is to provide a screw-type feeding device combined scale, including a central conveyor line, weighing devices, segmented conveyor lines, a feeding device, and a base. The central conveyor line is located in the center of the base. Several weighing devices are arranged on both sides of the central conveyor line. Each weighing device is equipped with a segmented conveyor line. Steps are provided on both sides of the base. The feeding device is arranged on the steps on both sides. The feeding device includes a discharge hopper, a feeding bin, and a first motor. The discharge hopper is located at the top of the feeding bin. The bottom of the hopper is connected to the feeding bin. The first motor is located at the rear of the feeding bin. A screw is installed inside the feeding bin, and helical blades are installed on the screw. The screw connects the entire feeding bin and extends from inside the feeding bin to outside. The first motor is connected to the screw and drives the screw to rotate. A discharge pipe is installed downward from the front of the feeding bin. A sealing device is installed on one side of the discharge pipe. The sealing device opens or closes the discharge pipe. The segmented conveyor line is located at the lower part of the discharge pipe.

[0006] The sealing device described above includes a pneumatic rod and a sealing plate. The pneumatic rod is fixed at the bottom of the feeding hopper, and the pneumatic rod is fixedly connected to the sealing plate. The pneumatic rod extends and retracts to open or close the sealing plate to the discharge pipe.

[0007] The cross-section of the discharge port on the aforementioned discharge pipe is parallel to the sealing plate, and when the sealing plate extends, it can fit against the discharge port.

[0008] The aforementioned pneumatic rod includes a cylinder and a push rod, the push rod being located inside the cylinder, and the end of the push rod being fixedly connected to the sealing plate.

[0009] The segmented conveyor line described above includes a first conveyor belt, a first conveyor panel, and a second motor. The first conveyor panel has first rollers at the front and rear positions, and a driven gear is provided at the end of one of the first rollers. The second motor has a drive gear, and the drive gear and the driven gear are provided with a synchronous belt.

[0010] The weighing device described above is provided with a first housing, the second motor is disposed inside the first housing, and the segmented conveyor line is located at the top of the first housing.

[0011] The aforementioned segmented conveyor line is surrounded by a first protective plate, which engages with the edge of the segmented conveyor line.

[0012] The first conveying panel has a slot on its front side, the first roller is disposed in the slot, and adjustment mechanisms for adjusting the first roller are provided on both sides of the first conveying panel.

[0013] Support plates are provided on the base and on both sides of the central conveyor line. The support plates are provided with grooves. Several protruding columns are provided on both sides of the central conveyor line. The protruding columns are placed in the grooves. The support plates are provided with latches that lock the protruding columns.

[0014] The aforementioned central conveyor line has a second guard plate on both sides, and a guard plate fixing device is installed on the support plate. The second guard plate is fixedly connected to the guard plate fixing device.

[0015] Compared with the prior art, the present invention has the following advantages:

[0016] 1) This invention describes a screw-type feeding device combination scale, including a central conveyor line, weighing devices, segmented conveyor lines, a feeding device, and a base. The central conveyor line is located in the center of the base. Several weighing devices are arranged on both sides of the central conveyor line. Each weighing device is equipped with a segmented conveyor line. Steps are provided on both sides of the base. The feeding device is arranged on the steps on both sides. The feeding device includes a discharge hopper, a feeding bin, and a first motor. The discharge hopper is located at the top of the feeding bin, and the bottom of the discharge hopper is connected to the feeding bin. The first motor is located at the rear of the feeding bin. The feeding bin contains... A screw with helical blades is provided, connecting the entire feeding hopper and extending from inside the hopper to the outside. A first motor is connected to the screw and drives it to rotate. A discharge pipe is located downwards from the front of the feeding hopper, with a sealing device on one side. The sealing device opens or closes the discharge pipe. A segmented conveyor line is located below the discharge pipe. The object to be weighed is placed into the discharge hopper, and the rotating screw pushes the object to the discharge pipe, where it falls onto the segmented conveyor line for weighing. This prevents the object from sticking to the feeding hopper, and the sealing device can open or close the discharge pipe to improve weighing accuracy.

[0017] 2) Other advantages of the present invention are described in detail in the embodiments section of the specification. Attached image description:

[0018] Figure 1 This is a perspective view of the screw-type feeding device combined scale provided in an embodiment of the present invention;

[0019] Figure 2 This is a cross-sectional view of the screw-type feeding device combined scale provided in an embodiment of the present invention;

[0020] Figure 3 This is a cross-sectional view of the feeding device provided in an embodiment of the present invention;

[0021] Figure 4 This is a perspective view of the segmented conveyor line provided in an embodiment of the present invention;

[0022] Figure 5 This is an exploded view of the segmented conveyor line provided in an embodiment of the present invention;

[0023] Figure 6 This is an exploded view of the weighing device provided in an embodiment of the present invention;

[0024] Figure 7 This is a side view of the central conveyor line provided in an embodiment of the present invention;

[0025] Figure 8 This is a partial enlarged view of the screw-type feeding device combination scale provided in an embodiment of the present invention. Detailed implementation method:

[0026] The present invention will now be described in further detail through specific embodiments and in conjunction with the accompanying drawings.

[0027] like Figure 1-2 As shown, this embodiment provides a screw-type feeding device combination scale, including a central conveyor line 1, weighing devices 2, segmented conveyor lines 3, a feeding device 4, and a base 5. The central conveyor line 1 is located in the middle of the base 5. Several weighing devices 2 are provided and located on both sides of the central conveyor line 1. Each weighing device 2 is provided with a segmented conveyor line 3, which can be four, six, eight, or ten in number. The object to be weighed is weighed on the segmented conveyor lines 3 and then centrally conveyed to the central conveyor line 1 for collection and packaging. Steps are provided on both sides of the base 5, and the feeding device 4 is set on the steps on both sides. The feeding device 4 includes a discharge hopper 41, a feeding bin 42, and a first motor 43. The discharge hopper 41 is located at the top of the feeding bin 42, and the bottom of the discharge hopper 41 is connected to the feeding bin 42. The motor 43 is located at the rear of the feeding bin 42. A screw 44 is installed inside the feeding bin 42, and a spiral blade 441 is installed on the screw 44. The screw 44 connects the entire feeding bin 42 and extends from inside the feeding bin 42 to the outside. The first motor 43 is connected to the screw 44 and drives the screw 44 to rotate. A discharge pipe 45 is installed downward at the front of the feeding bin 42. A sealing device 46 is installed on one side of the discharge pipe 45. The sealing device 46 opens or closes the discharge pipe 45. The segmented conveyor line 3 is located below the discharge pipe 45. The object to be weighed is put into the discharge hopper 41. The screw 44 rotates and pushes the object to be weighed onto the discharge pipe 45, where it falls onto the segmented conveyor line 3 for weighing. In this way, the object to be weighed will not stick to the feeding bin, and the sealing device 46 can open or close the discharge pipe to improve the accuracy of weighing.

[0028] like Figure 3 As shown, the sealing device 46 includes a pneumatic rod 461 and a sealing plate 462. The pneumatic rod 461 is fixed at the bottom of the feeding hopper 42. The pneumatic rod 461 is fixedly connected to the sealing plate 462. The pneumatic rod 461 extends and retracts the sealing plate 462 to open or close the discharge pipe 45. The cross-section of the discharge port 451 on the discharge pipe 45 is parallel to the sealing plate 462. When the sealing plate 462 extends, it can fit against the discharge port 451, which can cut the weighed object to ensure the accuracy of weighing.

[0029] Furthermore, the pneumatic rod 461 includes a cylinder 4611 and a push rod 4612. The push rod 4612 is located inside the cylinder 4611, and its end is fixedly connected to the sealing plate 462. When gas is injected into the cylinder 4611, it will push the push rod 4612 out, thus opening the discharge pipe 45. If the air in the cylinder is evacuated, the push rod 4612 will retract into the cylinder, thus closing the discharge pipe 45 and cutting off the weighed object.

[0030] like Figure 4-5 As shown, the segmented conveyor line 3 includes a first conveyor belt 31, a first conveyor panel 32, and a second motor 33. The first conveyor panel 32 is provided with first rollers 34 at the front and rear positions, and a driven gear 341 is provided at the end of one end of the first roller 34. The second motor 33 is provided with a drive gear 342. The drive gear 342 and the driven gear 341 are provided with a synchronous belt 343. The drive gear 342 drives the synchronous belt 343 to rotate, and the driven gear 341 drives the first roller 34 to rotate the first conveyor belt 31, thereby realizing the conveying of the weighed object.

[0031] like Figure 6 As shown, the weighing device 2 is provided with a first outer shell 35, the second motor 33 is provided inside the first outer shell 35, and the segmented conveyor line 3 is located at the top of the first outer shell 35. By setting the first outer shell 35, the second motor 33 and the segmented conveyor line 3 on the weighing device 2 and setting the tare function, the weighing of the object can be realized.

[0032] Furthermore, a first guard plate 36 is provided around the segmented conveyor line 3. The first guard plate 36 is engaged at the edge of the segmented conveyor line 3, and the first guard plate 36 can prevent the weighed object from falling outside the segmented conveyor line 3.

[0033] Furthermore, a slot 37 is provided on the front side of the first conveyor panel 32, and the first roller 34 is disposed in the slot 37. Adjustment mechanisms 38 for adjusting the first roller 34 are provided on both sides of the first conveyor panel 32. After the first conveyor belt 31 has been used for a long time, it will become loose due to aging. Therefore, in order to improve the tension of the first conveyor belt 31, the first roller 34 can be moved back and forth by adjusting the adjustment mechanism 38 to achieve the tension, which is convenient and simple.

[0034] like Figure 7-8As shown, support plates 51 are provided on the base 5 and on both sides of the central conveyor line 1. There are four support plates 51. In order to support the central conveyor line 1, the support plates 51 are provided with grooves. Several protruding columns 11 are provided on both sides of the central conveyor line 1. The protruding columns 11 are placed in the grooves. The support plates 51 are provided with latches 52. The latches 52 lock the protruding columns 11. This makes it easy to disassemble the central conveyor line 1. By simply opening the latches 52, the central conveyor line 1 can be lifted from the grooves for easy cleaning and replacement.

[0035] Furthermore, second guard plates 12 are provided on both sides of the central conveyor line 1, and guard plate fixing devices 53 are installed on the support plate 51. The second guard plates 12 are fixedly connected to the guard plate fixing devices 53. The second guard plates 12 are used to prevent the weighed objects falling from the segmented conveyor line 3 from falling outside the central conveyor line 1 and to facilitate collection.

[0036] Working Principle: In existing technologies, objects containing viscous liquids tend to stick to the hopper when weighed, making it difficult for them to fall off the weighing unit and thus affecting the weighing effect. The feeding device 4 includes a feeding hopper 41, a feeding bin 42, and a first motor 43. The feeding hopper 41 is located at the top of the feeding bin 42, and its bottom is connected to the feeding bin 42. The first motor 43 is located at the rear of the feeding bin 42. A screw 4 is installed inside the feeding bin 42. 4. The screw 44 is provided with a spiral blade 441. The screw 44 is connected to the entire feeding bin 42. The screw 44 extends from inside the feeding bin 42 to outside the feeding bin 42. The first motor 43 is connected to the screw 44 and drives the screw 44 to rotate. The discharge pipe 45 is provided downward at the front side of the feeding bin 42. The rotation of the screw 44 pushes the object to be weighed onto the discharge pipe 45 and it falls onto the segmented conveyor line 3 for weighing. In this way, the object to be weighed will not stick to the feeding bin.

[0037] The sealing plate 462 on the sealing device 46 cuts off the object being weighed to ensure the accuracy of the weighing. The object being weighed falls onto the segmented conveyor line 3 and is weighed by the weighing device 2 at the bottom of the segmented conveyor line 3. When the weight reaches the set threshold, the object being weighed is cut off and transported from the segmented conveyor line 3 to the middle conveyor line 1. The object being weighed is then centrally packaged and sealed from one end of the middle conveyor line 1.

[0038] The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited thereto. Any changes, modifications, substitutions, combinations, or simplifications made without departing from the spirit and principle of the present invention are equivalent substitutions and are included within the protection scope of the present invention.

Claims

1. A screw type feeding device combination weigher, comprising a middle conveyor line (1), a weighing device (2), a segmented conveyor line (3), a feeding device (4) and a base (5), wherein the middle conveyor line (1) is located in the middle of the base (5), a plurality of weighing devices (2) are provided and are located on both sides of the middle conveyor line (1), and a segmented conveyor line (3) is provided on each weighing device (2), characterized in that: Steps are arranged on both sides of the base (5), and the unloading device (4) is arranged on the steps on both sides. The unloading device (4) comprises a discharge hopper (41), a feeding bin (42) and a first motor (43). The discharge hopper (41) is located at the top of the feeding bin (42), and the bottom of the discharge hopper (41) is connected to the feeding bin (42). The first motor (43) is located at the rear side of the feeding bin (42). A screw (44) is arranged in the feeding bin (42), and a spiral blade (441) is arranged on the screw (44). The screw (44) is connected to the entire feed bin (42), and the screw (44) extends from the inside of the feed bin (42) to the outside of the feed bin (42). The first motor (43) is connected to the screw (44) and drives the screw (44) to rotate. A discharge pipe (45) is provided downward from the front side of the feed bin (42), and a sealing device (46) is provided on one side of the discharge pipe (45). The sealing device (46) opens or closes the discharge pipe (45). The segmented conveying line (3) is located at the lower position of the discharge pipe (45).

2. A screw type feeding device combination weigher according to claim 1, characterized in that: The sealing device (46) comprises a pneumatic rod (461) and a sealing plate (462); the pneumatic rod (461) is fixed at the bottom of the feed bin (42); the pneumatic rod (461) is fixedly connected to the sealing plate (462); the pneumatic rod (461) retracts the sealing plate (462) to open or close the discharge pipe (45).

3. A screw type feeding device combination weigher according to claim 2, characterized in that: The cross section of the discharge port (451) on the discharge pipe (45) is arranged in parallel with the sealing piece (462), and when the sealing piece (462) is extended, it can fit the discharge port (451).

4. A screw type feeding device combination weigher according to claim 2, characterized in that: The pneumatic rod (461) comprises a cylinder (4611) and a push rod (4612), wherein the push rod (4612) is located inside the cylinder (4611), and an end of the push rod (4612) is fixedly connected to the sealing plate (462).

5. A screw type feeding device combination weigher according to claim 1, characterized in that: The segmented conveyor line (3) comprises a first conveyor belt (31), a first conveying panel (32) and a second motor (33); a first roller (34) is arranged at the front and rear positions of the first conveying panel (32); a driven gear (341) is arranged at the end position of the first roller (34) at one end; a driving gear (342) is arranged on the second motor (33); and a synchronous belt (343) is arranged on the driving gear (342) and the driven gear (341).

6. A screw type feeding device combination weigher according to claim 5, characterized in that: The weighing device (2) is provided with a first housing (35), the second motor (33) is arranged in the first housing (35), and the segmented conveying line (3) is located at the top of the first housing (35).

7. A screw type feeding device combination weigher according to claim 5, characterized in that: A first guard plate (36) is arranged on the periphery of the segmented conveying line (3), and the first guard plate (36) is clamped on the edge of the segmented conveying line (3).

8. A screw type feeding device combination weigher according to claim 5, characterized in that: A slot (37) is provided at the front side of the first conveying panel (32), the first roller (34) is arranged in the slot (37), and adjustment mechanisms (38) for adjusting the front and rear positions of the first roller (34) are provided at both sides of the first conveying panel (32).

9. A screw type feeding device combination weigher according to claim 1, characterized in that: A support plate (51) is arranged on the base (5) and located on both sides of the middle conveying line (1), and a groove is arranged on the support plate (51). A plurality of protruding columns (11) are arranged on both sides of the middle conveying line (1), and the protruding columns (11) are correspondingly placed in the grooves. A locking buckle (52) is arranged on the support plate (51), and the locking buckle (52) locks the protruding column (11).

10. A screw type feeding device combination weigher according to claim 9, characterized in that: Second guard plates (12) are provided at both sides of the middle conveyor line (1), a guard plate fixing device (53) is installed on the support plate (51), and the second guard plate (12) is fixedly connected to the guard plate fixing device (53).

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