Constant-speed feeding device for salt manufacturing

Abstract

The utility model discloses a constant-speed feeding device for salt manufacturing, which relates to the technical field of conveying, and comprises an outer telescopic suite, an inner telescopic suite and a feeding device, the supporting cylinder and the fixed cylinder are driven by the driving assembly to perform opening and closing movement; an outer sleeve auger and a built-in auger which are connected in a sleeved mode are installed in the supporting cylinder. According to the constant-speed feeding device for salt making, due to the fact that the telescopic sleeve is arranged on the fixed cylinder in a sleeved mode, and the auger is divided into the two parts which are connected in an inserted mode, the telescopic sleeve can move while moving, internal and external stretching and retracting are achieved at the same time, and therefore the constant-speed feeding device for salt making is convenient to use. The technical problem that when an existing feeding device is used, telescopic adjustment cannot be conducted is effectively solved, and then the purpose that the height of a discharging pipe of the feeding device is adjusted under the condition that the inclination angle of the original feeding device is not changed is achieved, so that the feeding device is matched with equipment with different heights.

Description

Technical Field

[0001] The utility model relates to the technical field of conveying, and particularly relates to a uniform feeding device for salt making. Background Art

[0002] Salt making is the production of table salt. The salt-making industry occupies an important economic position in the national economy and is an important part of the national economy. Salt is a necessity for human life, a basic raw material for the chemical industry, and also has wide applications in other industrial sectors and in agriculture, animal husbandry and fishery.

[0003] Currently, a feeding device for salt making is disclosed in a Chinese patent with the patent application number 'CN202221415985.0', which includes a transmission mechanism and a support mechanism. Among them, the support mechanism includes a base and an adjusting rod. The adjusting rod includes a rotating shaft, and a frame is arranged above the rotating shaft. A threaded rod is arranged at each of the upper and lower ends of the rotating shaft. When the rotating shaft rotates, it drives the frame to move up and down. It relates to the technical field of feeding devices. Among them, by rotating the rotating shaft inside the adjusting rod, the frame is driven to rise and attach to the spiral tube, and the spiral tube is supported. A first support rod and a second support rod are arranged above and below the rotating shaft respectively. In this way, the rotation of the rotating shaft can drive the first support rod and the second support rod to rotate, so as to adjust the height of the overall structure. Since the length of the spiral tube cannot be changed, only by adjusting the inclination degree of the spiral tube can the height of the overall device be changed to cooperate with different equipment for use. Although this method improves the applicability of the device to a certain extent, when the inclination angle of the spiral tube continuously increases, its lateral floor area is continuously increasing, resulting in the device occupying more space than before, seriously affecting the placement of adjacent equipment.

[0004] However, during the implementation of the above technical solution, it is found that there are at least the following technical problems:

[0005] Unable to perform telescopic adjustment: After the existing lifting device is produced, due to its constant structure that cannot be changed, when encountering some situations where the lifting height needs to be adjusted, it can only be achieved by adjusting the inclination degree of the lifting device. However, as the inclination angle continuously increases (the device tends to be perpendicular to the ground), the adhesion ability of the raw material to the lifting device is continuously weakening; on the contrary, as the inclination angle continuously decreases (the device tends to be parallel to the ground), the floor area of the lifting device is continuously increasing, seriously affecting the placement of the equipment. Therefore, a device that can ensure a stable inclination angle and can also change the lifting height is needed; in addition, when the device needs to be transported, installed or placed, due to the non-adjustable size of the device, it needs to occupy a large volume and space, affecting the convenience of device transportation and installation. For this reason, we propose a uniform feeding device for salt making. Summary of the Utility Model

[0006] (1) Technical problem to be solved

[0007] In view of the deficiencies of the prior art, the utility model provides a uniform feeding device for salt production. By sleeving a telescopic sleeve on a fixed cylinder in a sleeved manner (forming a structure like a 'telescopic rod'), the outer part of the feeding device remains unchanged while it can be extended or shortened. This ensures that the auger inside the feeding device can expand and contract synchronously with the external telescoping. The auger is divided into two mutually inserted parts, enabling it to move synchronously with the movement of the telescopic sleeve, thereby achieving simultaneous internal and external telescoping. This solves the technical problem that in the prior art, when using a feeding device, the device height can only be changed by adjusting the inclination angle and cannot be adjusted by telescoping.

[0008] (2) Technical solution

[0009] To achieve the above objectives, the utility model is realized through the following technical solutions:

[0010] A uniform feeding device for salt production, which comprises:

[0011] An external telescopic kit, which includes a support cylinder, a fixed cylinder installed on the support cylinder, and a telescopic sleeve sleeved on the fixed cylinder. The fixed cylinder is connected to the support cylinder by welding, so that there is no relative movement between the two. The telescopic sleeve sleeved on the fixed cylinder can expand and contract along the extension direction of the fixed cylinder under the action of external force. It can be seen that the size of the fixed cylinder is smaller than that of the telescopic sleeve and the support cylinder, so that when the telescopic sleeve moves, the fixed cylinder can be received inside it;

[0012] A driving component, installed between the telescopic sleeve and the support cylinder, which is another important component structure of this application and is not limited to the following structure provided in this application. As long as it can drive the opening and closing movement between the fixed cylinder and the telescopic sleeve, for example, a telescopic rod. By extending the telescopic rod, the fixed cylinder and the telescopic sleeve are separated from each other; by contracting the telescopic rod, the fixed cylinder and the telescopic sleeve are contracted;

[0013] Wherein, an outer auger and an inner auger sleeved on each other are installed inside the support cylinder, and the outer auger and the inner auger are respectively movably connected to the support cylinder and the telescopic sleeve;

[0014] When the support cylinder and the telescopic sleeve move relative to each other, the inner auger located inside the outer auger expands and contracts synchronously.

[0015] Preferably, the size of the built-in auger is smaller than that of the outer auger. Both the built-in auger and the outer auger are in the form of spiral sheet structures, and one end of the built-in auger is located in the receiving groove formed inside the outer auger, thus forming a plug-in structure, which has a telescopic structure similar to that of the outer telescopic kit.

[0016] Preferably, a flange is provided at each of the opposite ends of the support cylinder and the telescopic sleeve. In this way, only by pulling the two flanges can the relative movement of the support cylinder and the telescopic sleeve be driven. For this purpose, a sliding toothed belt is installed on the flange connected to the support cylinder. One end of the sliding toothed belt extends towards the direction of flange two, passes through the notch on flange two, extends to the other side of flange two, and meshes with the driving gear on the telescopic sleeve correspondingly. In this way, by using the meshing relationship between the driving gear and the sliding toothed belt, when the driving gear rotates, the support cylinder and the telescopic sleeve can be driven to open and close, so as to pull the two flanges towards each other or push the two flanges away from each other.

[0017] Preferably, a docking rod is connected to the center of the driving gear, and the end of the docking rod is connected to a rocker. The driving gear can be rotated by rotating the rocker;

[0018] Among them, a connecting rod is connected to the outer wall of the telescopic sleeve, and a plug hole is provided at the bottom of the connecting rod. The end of the docking rod passes through the plug hole, and the two are connected by a bearing.

[0019] Preferably, an extension rod is added to the end of the rocker corresponding to the docking rod. The extension rod is hinged to the end of the docking rod passing through the connecting rod, and a retaining ring is fixedly connected to the outside of the extension rod. The retaining ring is connected to the limiting cylinder sleeved on the outside of the extension rod through a spring. In this way, the limiting cylinder can move towards the hinged part of the extension rod and the docking rod under the elastic force of the spring. When the limiting cylinder fits with the connecting rod, the limiting cylinder just sleeved on the hinged part of the extension rod and the docking rod, thus preventing the two from being bent relatively; on the contrary, when the limiting cylinder fits with the retaining ring, the limiting cylinder moves away from the hinged part.

[0020] Preferably, an arc-shaped fixing clip is connected to the outside of the connecting rod, and the opening of the fixing clip faces the rocker. Therefore, when the extension rod rotates towards the direction of the connecting rod, the limiting cylinder outside the extension rod can enter the opening of the fixing clip. Thus, the retraction and extension of the rocker are completed.

[0021] Preferably, a material distributing opening and closing assembly capable of discharging raw materials outward is connected to the bottom of the support cylinder. The material distributing opening and closing assembly corresponds to the through hole at the bottom of the support cylinder, and a sieve mesh is connected to this through hole. The sieve mesh completely covers the sieve holes. When the salt to be transported passes through the sieve holes, the salt particles with a diameter smaller than the mesh holes of the sieve mesh can be discharged outward through the sieve holes, and the opening and closing of the through hole at the bottom of the support cylinder can be controlled through the material distributing opening and closing assembly.

[0022] Preferably, the material distribution opening and closing assembly includes a connecting frame (in a rectangular shape) connected to the bottom of the support cylinder and a docking pipe corresponding to the through hole at the bottom of the support cylinder. A movable partition is slidably connected to the docking pipe, and the movable partition corresponds to the bottom of the docking pipe. In addition, the linkage toothed belt at the bottom of the movable partition meshes with the rotating gear on the output shaft of the driving motor. Therefore, when the driving motor is powered on and rotates, it can drive the movable partition to slide, blocking or opening the bottom of the docking pipe.

[0023] (III) Beneficial effects

[0024] 1. Since the telescopic sleeve is sleeved on the fixed cylinder in a sleeved manner (forming a structure like a 'telescopic rod'), the outside of the feeding device remains unchanged and can be extended or shortened accordingly, while ensuring that the auger inside the feeding device can follow the external telescoping and extend or contract together. The auger is divided into two mutually inserted parts, so that it can move synchronously with the movement of the telescopic sleeve, thus achieving internal and external telescoping at the same time. Therefore, it effectively solves the technical problem that the existing feeding device cannot be telescopically adjusted during use, and further realizes the telescoping of the feeding device. It can adjust the height of the discharge pipe of the feeding device without changing the original inclination angle of the feeding device, so as to adapt to equipment of different heights, thereby improving the applicability and stability of the device.

[0025] 2. Since the rocker is used to drive the driving gear to rotate, and then the driving gear transmits the power to the sliding toothed belt meshing with it, and finally the relative movement between the telescopic sleeve and the fixed cylinder is driven by the movement of the sliding toothed belt, thereby providing power for the telescoping of the device. In addition, by connecting a 'C'-shaped fixed clamp to the outside of the connecting rod, the rocker can be locked after rotating in place, thus ensuring the stability of the device shape after the length adjustment.

[0026] 3. Since the docking pipe is connected to the outer wall of the support cylinder, and then a screen is installed on the inner wall of the docking pipe, the raw materials can be screened during the raw material transportation process. Secondly, a slidable movable partition is arranged on one side of the docking pipe, which can block the docking pipe, so as to freely control whether the device conducts screening or diversion, thereby improving the applicability of the device. Brief description of the drawings

[0027] The above description is only an overview of the technical solution of the present invention. In order to understand the technical means of the present invention more clearly and implement it according to the content of the specification, the following takes the preferred embodiment of the present invention and combines with the drawings to describe in detail as follows.

[0028] Figure 1 It is the overall structure diagram of the embodiment of the present invention;

[0029] Figure 2Schematic diagram of the position of the telescopic component structure in the embodiment of the present utility model;

[0030] Figure 3 Schematic diagram of the telescopic movement of the telescopic component in the embodiment of the present utility model;

[0031] Figure 4 One of the structural diagrams of the driving component in the embodiment of the present utility model;

[0032] Figure 5 Another structural diagram of the driving component in the embodiment of the present utility model;

[0033] Figure 6 One of the docking structural diagrams of the driving component and the limiting component in the embodiment of the present utility model;

[0034] Figure 7 Another docking structural diagram of the driving component and the limiting component in the embodiment of the present utility model

[0035] Figure 8 Another docking structural diagram of the driving component and the limiting component in the embodiment of the present utility model;

[0036] Figure 9 Exploded structural diagram of the limiting component in the embodiment of the present utility model;

[0037] Figure 10 Internal structural diagram of the telescopic component in the embodiment of the present utility model;

[0038] Figure 11 Schematic diagram of the structure of the inner telescopic component in the embodiment of the present utility model;

[0039] Figure 12 Structural diagram of the material distribution opening and closing component in the embodiment of the present utility model;

[0040] Figure 13 One of the sectional views of the material distribution opening and closing component in the embodiment of the present utility model;

[0041] Figure 14 Another sectional view of the material distribution opening and closing component in the embodiment of the present utility model.

[0042] Legend:

[0043] 11. Support cylinder; 12. Fixed cylinder; 13. Telescopic sleeve; 14. Cover plate;

[0044] 2. Feed funnel;

[0045] 3. Discharge pipe;

[0046] 4. Material distribution opening and closing component; 41. Connecting frame; 42. Driving motor; 43. Docking pipe; 44. Movable partition; 45. Rotating gear; 46. Linking belt;

[0047] 5. Driving component; 51. U-shaped frame; 52. First flange; 53. Second flange; 54. Connecting rod; 55. Sliding tooth belt; 56. Driving gear; 57. Rocker; 58. Docking rod;

[0048] 6. Limiting component; 61. Connecting rod; 62. Fixed clamp; 63. Extension rod; 64. Retaining ring; 65. Limiting cylinder;

[0049] 7. Inner telescopic component; 71. Main motor; 72. End cover; 73. Driven rotating shaft; 74. Outer auger; 75. Inner auger;

[0050] 8. Bracket. Specific implementation manner

[0051] In the embodiment of the present application, a uniform feeding device for salt production is provided to solve the technical problem that the existing feeding device cannot be telescopically adjusted during use. When the existing feeding device is in use, since the telescopic sleeve is sleeved on the fixed cylinder in a sleeved manner (forming a structure like a 'telescopic rod'), the outside of the feeding device remains unchanged and can be extended or shortened accordingly, while ensuring that the auger inside the feeding device can be telescoped together with the external telescoping. The auger is divided into two mutually inserted parts, so that it can move synchronously with the movement of the telescopic sleeve, thereby achieving simultaneous internal and external telescoping, and further realizing the telescoping of the feeding device. It can adjust the height of the discharge pipe of the feeding device without changing the original inclination angle of the feeding device, so as to adapt to equipment of different heights, thereby improving the applicability and stability of the device; since the rocker is used to drive the driving gear to rotate, and then the driving gear transmits the power to the sliding tooth belt meshing with it, and finally the relative movement between the telescopic sleeve and the fixed cylinder is driven by the movement of the sliding tooth belt, thereby providing power for the telescoping of the device. In addition, by connecting a 'C'-shaped fixed clamp to the outside of the connecting rod, the rocker can be locked after rotating in place, thereby ensuring the stability of the form of the device after the length adjustment.

[0052] Embodiment 1

[0053] The technical solution in the embodiment of the present application is to solve the technical problem that the existing feeding device cannot be telescopically adjusted during use. The general idea is as follows:

[0054] Aiming at the problems existing in the prior art, the present utility model provides a uniform feeding device for salt production. The uniform feeding device is mainly divided into two parts: a telescopic component and a driving component 5. The driving component 5 provides the power for telescoping to the telescopic component. Since the traditional feeding device is composed of an external sleeve and an internal auger, in order to be able to perform synchronous telescoping, the telescopic component we designed is divided into two parts, an inner part and an outer part. Specifically as follows:

[0055] Outer telescopic kit: It consists of a support cylinder 11, a fixed cylinder 12 installed on the support cylinder 11, and a telescopic sleeve 13 sleeved on the fixed cylinder 12 (at this time, the outer wall of the fixed cylinder 12 is in close contact with the inner wall of the telescopic sleeve 13). The fixed cylinder 12 is connected to the support cylinder 11 by welding, so that there is no relative movement between the two. The telescopic sleeve 13 sleeved on the fixed cylinder 12 can be telescoped along the extension direction of the fixed cylinder 12 under the action of an external force. As Figure 2 shown, it can be seen from it that the size of the fixed cylinder 12 is smaller than that of the telescopic sleeve 13 and the support cylinder 11. In this way, when the telescopic sleeve 13 moves, the fixed cylinder 12 can be received into it.

[0056] Inner telescopic component 7: It is mainly composed of two mutually sleeved augers (that is, an outer auger 74 and an inner auger 75), and the size of the inner auger 75 is smaller than that of the outer auger 74. As Figure 10 and Figure 11 shown, both the inner auger 75 and the outer auger 74 are in a spiral sheet structure, and one end of the inner auger 75 is located in the receiving groove opened inside the outer auger 74, thus forming a plug-in structure and having a telescopic structure like the outer telescopic kit. Since one end of the outer auger 74 is connected to the output shaft of the main motor 71 on the support cylinder 11, and the inner auger 75 is connected to the driven rotating shaft 73 on the telescopic sleeve 13 (the driven rotating shaft 73 is connected to the end cover 72 of the telescopic sleeve 13), when the support cylinder 11 and the telescopic sleeve 13 are separated from each other, the inner auger 75 moves outwards from the receiving groove in a rotating manner. In order for the inner auger 75 to be able to move out of the outer auger 74 stably during the telescopic process, the inner auger 75 and the outer auger 74 can be rotated relative to each other by manually rotating the driven rotating shaft 73, so as to pull the inner auger 75 out of the outer auger 74, as Figure 11 shown (the enlarged view therein).

[0057] Through the above structure, it provides the basis for the telescopic process of the feeding device. When the fixed cylinder 12 and the telescopic sleeve 13 move relative to each other, the auger inside the device can be driven to telescopic synchronously. There is a movable cover plate 14 on the fixed cylinder 12 to facilitate opening to view the auger inside the fixed cylinder 12.

[0058] Drive assembly 5: This is also another important component structure of this application, and it is not limited to the following structure provided by this application. As long as it can drive the opening and closing movement between the fixed cylinder 12 and the telescopic sleeve 13, for example, a telescopic rod. By extending the telescopic rod, the fixed cylinder 12 and the telescopic sleeve 13 are separated from each other; by contracting the telescopic rod, the fixed cylinder 12 and the telescopic sleeve 13 are contracted. The specific structure of the drive assembly 5 given in this application is as follows:

[0059] In order to be able to pull the telescopic sleeve 13 in the direction of the support cylinder 11, a flange is provided at each of the opposite ends of the support cylinder 11 and the telescopic sleeve 13. In this way, only by pulling the two flanges can the relative movement of the support cylinder 11 and the telescopic sleeve 13 be driven. For this purpose, a sliding toothed belt 55 is installed on the flange connected to the support cylinder 11. One end of the sliding toothed belt 55 extends in the direction of the second flange 53, passes through the notch on the second flange 53, extends to the other side of the second flange 53, and meshes with the driving gear 56 on the telescopic sleeve 13 correspondingly, as Figure 4 and Figure 5 shown. In this way, the meshing relationship between the driving gear 56 and the sliding toothed belt 55 can be utilized. When the driving gear 56 rotates, the support cylinder 11 and the telescopic sleeve 13 can be driven to open and close, so as to pull the two flanges in the direction of approaching each other or push the two flanges in the direction of moving away from each other.

[0060] Therefore, only the rotational power needs to be provided for the rotation of the driving gear 56. Manual operation can be selected, or mechanical drive can also be selected. For example, the driving gear 56 is driven to rotate by a motor (that is, the output shaft of the motor is connected to the center of the driving gear 56), but a motor with a self-locking function needs to be selected. In addition, in order to ensure the stability of the movement between the support cylinder 11 and the telescopic sleeve 13, two connecting rods 54 are also connected between the two flanges, so as to provide sufficient supporting force for the telescopic sleeve 13 when the support cylinder 11 and the telescopic sleeve 13 are telescoping. And in order to reduce the gravity of the device in this application, and since the built-in auger 75 and the outer auger 74 are connected in a plug-in form (and both are spiral), manual assistance is required during adjustment, so the solution given in this application is manual drive. Specifically as follows:

[0061] A cylindrical docking rod 58 is connected to the center of the driving gear 56. And in order to ensure the stability of the docking rod 58, two symmetrically arranged connecting rods 61 are installed on the telescopic sleeve 13. One end of the docking rod 58 passes through the insertion hole on the surface of the connecting rod 61, and the docking rod 58 is connected to the fitting place of the insertion hole through a bearing, so as to support the docking rod 58 and keep its relative position stable with the telescopic sleeve 13, thus avoiding relative movement between the two during movement. In this way, when the driving gear 56 rotates, only the sliding toothed belt 55 is pulled, as Figure 6 shown. And one end of the docking rod 58 passing through the connecting rod 61 is connected to the rocker 57, so the driving gear 56 can be driven to rotate by rotating the rocker 57.

[0062] In order to ensure that the form of the feeding device remains unchanged after adjustment (a limiting component 6 is added), an extension rod 63 is added to the corresponding end of the rocker 57 and the docking rod 58, and the extension rod 63 is hinged to one end of the docking rod 58 passing through the connecting rod 61, asFigure 7 As shown in the figure, a retaining ring 64 is fixedly connected to the outside of the extension rod 63, and the retaining ring 64 is connected to a limiting cylinder 65 sleeved on the outside of the extension rod 63 through a spring. In this way, under the elastic force of the spring, the limiting cylinder 65 can move towards the hinge joint of the extension rod 63 and the docking rod 58. When the limiting cylinder 65 fits with the connecting rod 61, the limiting cylinder 65 just sleeves on the hinge joint of the extension rod 63 and the docking rod 58, thereby preventing the two from bending relative to each other; on the contrary, when the limiting cylinder 65 and the retaining ring 64 are in contact with each other, as Figure 7 shown, the limiting cylinder 65 moves away from the hinge joint. At this time, the rocker 57 can rotate around the hinge joint between the extension rod 63 and the docking rod 58. An arc-shaped fixing clip 62 is connected to the outside of the connecting rod 61, and the opening of the fixing clip 62 faces the rocker 57. Therefore, when the extension rod 63 rotates towards the direction where the connecting rod 61 is located, the limiting cylinder 65 outside the extension rod 63 can enter the opening of the fixing clip 62. As Figure 7 and Figure 8 shown. Thus, the retraction and extension of the rocker 57 are completed.

[0063] In the specific implementation process, when it is necessary to adjust the height of the feeding device, the rocker 57 is manually rotated, so that the rocker 57 drives the connection of the driving gear 56, and the driving gear 56 is connected to the sliding tooth belt 55 on the flange one 52, as Figure 4 and Figure 5 shown. In this way, the meshing relationship between the driving gear 56 and the sliding tooth belt 55 can be utilized. When the driving gear 56 rotates, it can drive the support cylinder 11 and the telescopic sleeve 13 to perform an opening and closing movement, thereby pulling the two flanges towards each other or pushing the two flanges away from each other.

[0064] Similarly, when the support cylinder 11 and the telescopic sleeve 13 are separated from each other, the built-in auger 75 and the outer auger 74 located inside them are also separated from each other. Since one end of the built-in auger 75 is located in the receiving groove opened inside the outer auger 74, a plug-in structure is formed. And the other end of the built-in auger 75 is connected to the driven rotating shaft 73 on the telescopic sleeve 13, while one end of the outer auger 74 is connected to the output shaft of the main motor 71 on the support cylinder 11. Therefore, when the support cylinder 11 and the telescopic sleeve 13 are separated from each other, the built-in auger 75 moves outwards from the receiving groove in a rotating manner. In order for the built-in auger 75 to be able to stably move out of the outer auger 74 during the telescopic process, the driven rotating shaft 73 can be manually rotated to make the built-in auger 75 and the outer auger 74 rotate relative to each other, thereby pulling the built-in auger 75 out of the outer auger 74, as Figure 11 shown (the enlarged view therein), and thus the telescoping of the feeding device is completed.

[0065] During the telescoping process of the device, the part located outside the U-shaped frame 51 always supports the device (the U-shaped frame 51 is located outside the telescopic sleeve 13, and the two connecting rods 54 and the sliding toothed belt 55 are both connected to the U-shaped frame 51). As Figure 1 shown, during the telescoping process of the device, the bracket 8 does not move, thus preventing the device from tilting or shaking.

[0066] After the telescoping is completed, it can be used normally. The salt raw material to be conveyed enters the support cylinder 11 from the feed hopper 2 on the support cylinder 11. Then, the main motor 71 at the end of the support cylinder 11 is started. Since the output shaft of the main motor 71 is connected to the outer sleeve auger 74, and the inner sleeve auger 75 is inserted into the outer sleeve auger 74, and the length between the two augers is limited so that they cannot be separated relatively. Therefore, when the main motor 71 rotates, it can drive the outer sleeve auger 74 and the inner sleeve auger 75 connected to the outer sleeve auger 74 to rotate together. Through the rotation of the augers, the salt raw material is pushed towards the direction of the telescopic sleeve 13 until it is discharged from the discharge pipe 3 on the telescopic sleeve 13.

[0067] Embodiment 2

[0068] Based on Embodiment 1, the general idea of this application embodiment to solve the technical problem that the existing feeding device cannot perform screening and split feeding is as follows:

[0069] A material splitting and opening / closing component 4 capable of discharging raw materials outward is connected to the bottom of the support cylinder 11, and the material splitting and opening / closing component 4 corresponds to the through hole at the bottom of the support cylinder 11. A screen is connected to this through hole, and the screen completely covers the screen holes. When the salt to be conveyed passes through the screen holes, the salt particles with a diameter smaller than the mesh holes of the screen can be discharged outward through the screen holes, and the opening and closing of the through hole at the bottom of the support cylinder 11 can be controlled through the material splitting and opening / closing component 4. This material splitting and opening / closing component 4 includes a connecting frame 41 (in a rectangular shape) connected to the bottom of the support cylinder 11 and a docking pipe 43 corresponding to the through hole at the bottom of the support cylinder 11. As Figure 12 shown, a movable partition 44 is slidably connected to the docking pipe 43, and the movable partition 44 corresponds to the bottom of the docking pipe 43. In addition, the linkage toothed belt 46 at the bottom of the movable partition 44 meshes with the rotating gear 45 on the output shaft of the drive motor 42. Therefore, when the drive motor 42 is energized and rotates, it can drive the movable partition 44 to slide to block or open the bottom of the docking pipe 43, such as Figure 13 and Figure 14 the two states shown.

[0070] Finally, it should be noted that: Obviously, the above embodiments are merely examples given to clearly illustrate the present invention, rather than limitations on the implementation manners. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to enumerate all implementation manners here. And the obvious changes or modifications derived therefrom still fall within the protection scope of the present invention.

Claims

1. A uniform speed feeding device for salt production, characterized in that: The device includes: An external telescopic sleeve, comprising a supporting tube (11) and a fixing tube (12) mounted on the end of the supporting tube (11), wherein a slidable telescopic sleeve (13) is sleeved on the outside of the fixing tube (12); A driving assembly (5) is installed between the telescopic sleeve (13) and the supporting tube (11) to drive the supporting tube (11) and the fixed tube (12) to perform opening and closing movements; Wherein, an outer sleeve auger (74) and an inner sleeve auger (75) which are sleeved with each other are installed inside the support tube (11), and both are movably connected to the support tube (11) and the telescopic sleeve (13) respectively; When the support tube (11) and the telescopic sleeve (13) move relative to each other, the built-in auger (75) located inside the outer auger (74) is telescoped synchronously.

2. The uniform speed feeding device for salt production according to claim 1, characterized in that: The built-in auger (75) and the outer auger (74) are both spiral-shaped, and one end of the built-in auger (75) is connected to the driven shaft (73) on the telescopic sleeve (13), and the other end is located in a receiving groove opened inside the outer auger (74); When the support tube (11) and the telescopic sleeve (13) are separated from each other, the built-in auger (75) moves outward from the receiving groove in a rotating manner.

3. The uniform speed feeding device for salt production according to claim 1, characterized in that: The driving assembly (5) comprises a flange 1 (52) connected to the support tube (11) and a flange 2 (53) connected to the telescopic sleeve (13), and a sliding toothed belt (55) installed on the flange 1 (52) extends in the direction of the flange 2 (53), passes through a notch on the surface of the flange 2 (53), and meshes with a driving gear (56) on the telescopic sleeve (13); When the driving gear (56) rotates, the supporting tube (11) and the telescopic sleeve (13) can be driven to perform opening and closing movements.

4. The uniform speed feeding device for salt production as claimed in claim 3, characterized in that: A docking rod (58) is connected to the center of the driving gear (56), and the end of the docking rod (58) is connected to a rocker (57), so that the driving gear (56) can be driven to rotate through the rocker (57); The outer wall of the telescopic sleeve (13) is connected to a connecting rod (61), and a plug hole is provided at the bottom of the connecting rod (61). The end of the docking rod (58) passes through the plug hole and is connected to the inner wall of the plug hole via a bearing.

5. The uniform speed feeding device for salt production as claimed in claim 4, characterized in that: An extension rod (63) is provided at one end of the rocker (57) corresponding to the docking rod (58), and the extension rod (63) is hinged to the end of the docking rod (58), and a retaining ring (64) is fixedly connected to the outside of the extension rod (63), and the retaining ring (64) is connected to a limiting cylinder (65) sleeved on the outside of the extension rod (63) through a spring; Wherein, when the limiting cylinder (65) is fitted with the connecting rod (61), it is sleeved on the hinge between the extension rod (63) and the docking rod (58); When the limiting cylinder (65) and the blocking ring (64) are fitted together, the rocker (57) can rotate about the hinge between the extension rod (63) and the docking rod (58).

6. A uniform speed feeding device for salt production as claimed in claim 5, characterized in that: The outside of the connecting rod (61) is connected to an arc-shaped fixing clamp (62), and the opening of the fixing clamp (62) faces the rocker (57). When the extension rod (63) rotates in the direction of the connecting rod (61), the limiting cylinder (65) outside the extension rod (63) can be clamped in the opening of the fixing clamp (62).

7. A uniform speed feeding device for salt production as described in any one of claims 1 to 6, characterized in that: The bottom of the support tube (11) is connected to a material dividing opening and closing assembly (4), and the material dividing opening and closing assembly (4) corresponds to a through hole at the bottom of the support tube (11), and the through hole at the bottom of the support tube (11) is blocked by the material dividing opening and closing assembly (4).

8. The uniform speed feeding device for salt production according to claim 7, characterized in that: The material dividing opening and closing assembly (4) comprises a connecting frame (41) connected to the bottom of the supporting tube (11) and a butt joint tube (43) corresponding to the through hole at the bottom of the supporting tube (11); the butt joint tube (43) is slidably connected with a movable partition (44), and the movable partition (44) corresponds to the bottom of the butt joint tube (43); when the movable partition (44) slides, the bottom of the butt joint tube (43) can be blocked.

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