A screw-type feeding device combination scale

Abstract

The present invention discloses a screw-type unloading device combination weigher, comprising a central conveying line, a weighing device, a segmented conveying line, a unloading device and a base, and the segmented conveying line is arranged on both sides of the central conveying line, and the discharge hopper is located at the top position 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 side of the feeding bin, a screw is arranged in the feeding bin, and a spiral blade is arranged on the screw, and the screw extends from the feeding bin to the outside of the feeding bin, the first motor is connected to the screw and drives the screw to rotate, and a discharge pipe is arranged downwardly at the front side of the feeding bin, and the segmented conveying line is located at the lower position of the discharge pipe, and the object to be weighed is put into the discharge hopper, and the rotation of the screw pushes the object to be weighed to the discharge pipe and falls into the segmented conveying line for weighing, so that the object to be weighed will not stick to the feeding bin, and the sealing device can open or close the discharge pipe to improve the accuracy of weighing.

Description

Technical field:

[0001] The invention relates to the field of combination weighers, in particular to a combination weigher with a screw-type unloading device. Background technology:

[0002] The combination weigher adopts a belt conveyor structure with a main conveyor belt in the middle. There are multiple weighing units on each side of the main conveyor belt. Each weighing unit is equipped with a set of weighing conveyor belt mechanisms. A storage hopper is installed on the top of the weighing unit. During operation, the weighed materials (such as squid, cut pork, etc.) need to be manually placed on the corresponding storage hopper, and then the storage hopper is placed on the weighing conveyor belt. The weight of the material is weighed on each weighing conveyor belt, and then the control center combines multiple weight data and screens out the combination closest to the rated weight. The control center 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 screening. The main conveyor belt transports the above materials into packaging bags or cans for packaging.

[0003] However, this combination weigher is designed for objects with dry surfaces and no sticky liquids. Therefore, existing combination weighers have the following problems: objects with sticky liquids tend to stick to the hopper when in 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 weigher, which can solve the problem in the prior art that the weighed objects with viscous liquids stick in the hopper after weighing and are not easy to fall off, affecting the weighing effect.

[0005] The purpose of the present invention is to provide a screw-type unloading device combination scale, comprising a central conveyor line, a weighing device, a segmented conveyor line, a unloading device and a base, wherein the central conveyor line is located in the middle of the base, a plurality of weighing devices are provided, and are located on both sides of the central conveyor line, a segmented conveyor line is provided on each weighing device, steps are provided on both sides of the base, the unloading device is provided on the steps on both sides, the unloading device comprises a discharge hopper, a feed bin and a first motor, the discharge hopper is located at the top of the feed bin The bottom of the discharge hopper is connected to the feed bin, the first motor is located at the rear side of the feed bin, a screw is provided in the feed bin, a spiral blade is provided on the screw, the screw is connected to the entire feed bin, the screw extends from the feed bin to the outside of the feed bin, the first motor is connected to the screw and drives the screw to rotate, a discharge pipe is provided downward at the front side of the feed bin, a sealing device is provided on one side of the discharge pipe, the sealing device opens or closes the discharge pipe, and the segmented conveying line is located at the lower position of the discharge pipe.

[0006] The above-mentioned sealing device includes a pneumatic rod and a sealing piece. The pneumatic rod is fixed at the bottom position of the feed bin. The pneumatic rod is fixedly connected to the sealing piece. The pneumatic rod retracts and contracts the sealing piece to open or close the discharge pipe.

[0007] The cross section of the discharge port on the discharge pipe is arranged parallel to the sealing piece, and the sealing piece can fit the discharge port when extended.

[0008] The pneumatic rod comprises a cylinder and a push rod, wherein the push rod is located in the cylinder, and the end of the push rod is fixedly connected to the sealing piece.

[0009] The above-mentioned segmented conveyor line includes a first conveyor belt, a first conveyor panel and a second motor. The first conveyor panel is provided with a first roller at the front and rear positions, and a driven gear is provided at the end position of the first roller at one end. The second motor is provided with a driving gear, and the driving gear and the driven gear are provided with a synchronous belt.

[0010] The weighing device is provided with a first shell, the second motor is arranged in the first shell, and the segmented conveying line is located at the top position of the first shell.

[0011] A first guard plate is provided on the periphery of the above-mentioned segmented conveying line, and the first guard plate is engaged with the edge position of the segmented conveying line.

[0012] The front side of the first conveying panel is provided with a slot, the first roller is arranged in the slot, and both sides of the first conveying panel are provided with adjustment mechanisms for adjusting the front and rear of the first roller.

[0013] A support plate is provided on the above-mentioned base and on both sides of the middle conveying line, and a groove is provided on the support plate. Several protruding columns are provided on both sides of the middle conveying line, and the protruding columns are placed in the grooves accordingly. A lock is provided on the support plate, and the lock locks the protruding columns.

[0014] Second guard plates are provided at both sides of the above-mentioned middle conveyor line, a guard plate fixing device is installed on the support plate, and 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 effects:

[0016] 1) The present invention describes a screw-type unloading device combination scale, comprising a central conveyor line, a weighing device, a segmented conveyor line, a unloading device and a base, wherein the central conveyor line is located in the middle of the base, and the weighing devices are provided in a plurality and are located on both sides of the central conveyor line. A segmented conveyor line is provided on each weighing device, steps are provided on both sides of the base, and the unloading device is provided on the steps on both sides. The unloading device comprises a discharge hopper, a feeding bin and a first motor, wherein 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, and the first motor is located at the rear side of the feeding bin, and the feeding bin is provided with a stepper. A screw is provided, and a spiral blade is provided on the screw. The screw is connected to the entire feed bin, and the screw extends from the feed bin to the outside of the feed bin. The first motor is connected to the screw and drives the screw to rotate. A discharge pipe is provided downward at the front side of the feed bin, and a sealing device is provided on one side of the discharge pipe. The sealing device opens or closes the discharge pipe, and the segmented conveyor line is located at the lower position of the discharge pipe. The object to be weighed is placed in the discharge hopper, and the screw rotates to push the object to be weighed to the discharge pipe and fall into the segmented conveyor line for weighing. In this way, the object to be weighed will not stick to the feed bin, and the sealing device can open or close the discharge pipe to improve the accuracy of weighing.

[0017] 2) Other advantages of the present invention are described in detail in the embodiment section of the specification. Description of the drawings:

[0018] Figure 1 This is a three-dimensional diagram of a combination weigher with a screw-type unloading device provided in an embodiment of the present invention;

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

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

[0021] Figure 4 is a three-dimensional diagram of a segmented conveyor line provided by an embodiment of the present invention;

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

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

[0024] Figure 7 is a side view of the middle conveyor line provided by an embodiment of the present invention;

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

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

[0027] like Figure 1-2 As shown, this embodiment provides a screw-type unloading device combination weigher, including a middle conveyor line 1, a weighing device 2, a segmented conveyor line 3, a unloading device 4 and a base 5, wherein the middle conveyor line 1 is located in the middle of the base 5, and the weighing devices 2 are provided in plurality 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, and the segmented conveyor lines 3 can be provided with four, six, eight or ten different numbers. The weighed objects are weighed on the segmented conveyor line 3 and transported to the middle conveyor line 1 for collection and packaging. Steps are provided on both sides of the base 5, and the unloading device 4 is provided on the steps on both sides. The unloading device 4 includes a discharge hopper 41, a feed bin 42 and a first motor 43, and the discharge hopper 41 is located at the top of the feed bin 42. The bottom of the discharge hopper 41 is connected to the feed bin 42. The motor 43 is located at the rear side of the feeding bin 42, and a screw 44 is provided in the feeding bin 42, and a spiral blade 441 is provided on the screw 44. The screw 44 is connected to the entire feeding bin 42, and the screw 44 extends from the feeding bin 42 to the outside of the feeding 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 at the front side of the feeding 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, and the segmented conveyor line 3 is located at the lower position of the discharge pipe 45. The object to be weighed is placed in the discharge hopper 41, and the screw 44 rotates to push the object to be weighed to the discharge pipe 45 and fall into 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 piece 462. The pneumatic rod 461 is fixed at the bottom position of the feed bin 42. The pneumatic rod 461 is fixedly connected to the sealing piece 462. The pneumatic rod 461 retracts and extends the sealing piece 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 piece 462. When the sealing piece 462 is extended, it can fit into the discharge port 451, so that the object to be weighed can be cut off to ensure the accuracy of the weighing.

[0029] Furthermore, the pneumatic rod 461 includes a cylinder 4611 and a push rod 4612. The push rod 4612 is located in the cylinder 4611. The end of the push rod 4612 is fixedly connected to the sealing piece 462. After the cylinder 4611 is injected with gas, the push rod 4612 will be pushed out, thereby opening the discharge pipe 45. If the air in the cylinder is sucked out, the push rod 4612 will retract into the cylinder, thereby closing the discharge pipe 45 and cutting off the object to be weighed.

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

[0031] like Figure 6 As shown, the weighing device 2 is provided with a first shell 35, the second motor 33 is provided in the first shell 35, and the segmented conveyor line 3 is located at the top position of the first shell 35. The first shell 35, the second motor 33 and the segmented conveyor line 3 are arranged on the weighing device 2, and peeling is provided to achieve weighing of the object to be weighed.

[0032] Furthermore, a first guard plate 36 is provided on the periphery of the segmented conveyor line 3 , and the first guard plate 36 is engaged with the edge of the segmented conveyor line 3 . 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 at the front side of the first conveying panel 32, and the first roller 34 is arranged in the slot 37. Adjustment mechanisms 38 for adjusting the front and rear of the first roller 34 are provided on both sides of the first conveying panel 32. The first conveyor belt 31 will become loose due to aging after being used for a long time. Therefore, in order to increase 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 realize 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 middle conveyor line 1. There are four support plates 51. In order to support the middle conveyor line 1, grooves are provided on the support plates 51. Several raised columns 11 are provided on both sides of the middle conveyor line 1. The raised columns 11 are placed in the grooves accordingly. Lock buckles 52 are provided on the support plates 51. The lock buckles 52 lock the raised columns 11, so that the middle conveyor line 1 can be easily disassembled. As long as the lock buckle 52 is opened, the middle conveyor line 1 can be lifted from the groove for easy cleaning and replacement.

[0035] Furthermore, a second guard plate 12 is provided on both sides of the middle conveyor line 1, and a guard plate fixing device 53 is installed on the support plate 51. The second guard plate 12 is fixedly connected to the guard plate fixing device 53. The second guard plate 12 is used to prevent the weighed objects falling from the segmented conveyor line 3 from falling outside the middle conveyor line 1, so as to facilitate concentration.

[0036] Working principle: In the existing technology, when the object to be weighed is in the storage hopper, it is easy to stick to the storage hopper and it is not easy to fall off the weighing unit, thereby affecting the weighing effect. The unloading 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 first motor 43 is located at the rear side of the feeding bin 42. A screw 4 is provided in the feeding bin 42. 4. A spiral blade 441 is provided on the screw 44, and the screw 44 is connected to the entire feeding bin 42. The screw 44 extends from the feeding bin 42 to the outside of the feeding 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 at the front side of the feeding bin 42. The screw 44 rotates to push the object to be weighed into the discharge pipe 45 and drop it into the segmented conveyor line 3 for weighing, so that the object to be weighed will not stick to the feeding bin.

[0037] The sealing piece 462 on the sealing device 46 cuts off the object to be weighed to ensure the accuracy of weighing. The object to be 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 set threshold is reached, the object to be weighed will be cut off and conveyed from the segmented conveyor line 3 to the middle conveyor line 1. The object to be weighed is centrally packaged and packed from one end of the middle conveyor line 1.

[0038] The above embodiments are preferred implementations of the present invention, but the implementations of the present invention are not limited thereto. Any other changes, modifications, substitutions, combinations, and simplifications that do not deviate from the spirit and principles of the present invention are equivalent replacement methods and are included in the scope of protection of the present invention.

Claims

1. A screw-type feeding device combination weigher, comprising a central conveying line (1), a weighing device (2), a segmented conveying line (3), a feeding device (4) and a base (5), wherein the central conveying line (1) is located in the middle of the base (5), a plurality of weighing devices (2) are provided and located on both sides of the central conveying line (1), and a segmented conveying line (3) is provided on each weighing device (2), characterized in that: Steps are provided on both sides of the base (5), and the unloading device (4) is provided 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 provided in the feeding bin (42), and a spiral blade (441) is provided on the screw (44). , the screw (44) is connected to the entire feeding bin (42), the screw (44) extends from the feeding bin (42) to the outside of the feeding 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 downwardly from the front side of the feeding bin (42), 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), and the segmented conveying line (3) is located at the lower position of the discharge pipe (45); The sealing device (46) includes a pneumatic rod (461) and a sealing plate (462), wherein the pneumatic rod (461) is fixed at the bottom of the feeding bin (42), the pneumatic rod (461) is fixedly connected to the sealing plate (462), and the pneumatic rod (461) retracts the sealing plate (462) to open or close the discharge pipe (45); The segmented conveying line (3) comprises a first conveying belt (31), a first conveying panel (32) and a second motor (33); first rollers (34) are provided at the front and rear positions of the first conveying panel (32); a driven gear (341) is provided at the end position of the first roller (34) at one end; a driving gear (342) is provided on the second motor (33); and a synchronous belt (343) is provided on the driving gear (342) and the driven gear (341); 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); A support plate (51) is provided on the base (5) and on both sides of the middle conveying line (1), and a groove is provided on the support plate (51). A plurality of raised columns (11) are provided on both sides of the middle conveying line (1), and the raised columns (11) are correspondingly placed in the grooves. A lock buckle (52) is provided on the support plate (51), and the lock buckle (52) locks the raised columns (11).

2. A screw-type feeding device combination weigher according to claim 1, 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).

3. The screw-type feeding device combination weigher according to claim 1, characterized in that: The pneumatic rod (461) comprises a cylinder (4611) and a push rod (4612), wherein the push rod (4612) is located in the cylinder (4611), and the end of the push rod (4612) is fixedly connected to the sealing plate (462).

4. A screw-type feeding device combination weigher according to claim 1, characterized in that: The weighing device (2) is provided with a first housing (35), the second motor (33) is provided in the first housing (35), and the segmented conveying line (3) is located at the top of the first housing (35).

5. The screw-type feeding device combination weigher according to claim 1, characterized in that: A first guard plate (36) is provided on the periphery of the segmented conveying line (3), and the first guard plate (36) is engaged at an edge position of the segmented conveying line (3).

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

Images