Automatic uncovering mechanism for feeding bin

Abstract

The utility model relates to the field of uncovering mechanisms, in particular to an automatic uncovering mechanism for a feeding bin. Comprising a lifting frame, the lifting frame is rotationally connected with two sets of rotating shafts through bearings, a bin cover is fixedly installed between the two sets of rotating shafts, the two sets of rotating shafts are both fixedly connected with gears in a set of cover opening assembly, the inner side of the lifting frame is in threaded connection with a screw rod, and the bottom of the screw rod is fixedly connected with the driving end of a motor. When the lifting device is used and the lifting frame makes contact with the second limiting block, the bin cover can be folded on the side face of the stock bin, at the moment, the bin cover is not located above the stock bin, the space above the stock bin cannot be occupied, and then workers cannot be hindered from feeding materials into the stock bin; and in the uncovering operation, the bin cover does not need to be turned over forcibly manually, the operation burden of the workers is relieved, and the uncovering efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of cover opening mechanisms, in particular to an automatic cover opening mechanism for a feeding bin. Background Art

[0002] In production workshops of chemical, food, pharmaceutical and other industries, it is often necessary to store and transport various powders. At present, the storage of powders is usually completed using containers such as silos. In the prior art, the upper end of the silo material is generally cylindrical or rectangular. The cover plate of the silo feeding port with an upper end as an upper body is usually driven by a hydraulic cylinder to rotate on the bearing shaft through a connecting shaft before entering the batching station. The bearing arm can drive the silo cover to move up through a connecting piece, thereby automatically opening the silo cover, so that the processed raw materials can be filled into the silo, and then, the hydraulic cylinder is started again, and the extension of the hydraulic cylinder can drive the bearing arm to rotate, so that the silo cover can be pressed tightly.

[0003] After the existing silo cover is opened, it is generally vertically upward and located above the silo, occupying the space above the silo and hindering workers from adding materials into the silo. For this reason, we propose an automatic cover opening mechanism for the feeding silo. Utility Model Content

[0004] The utility model aims to provide an automatic cover opening mechanism for a feeding silo, comprising a lifting frame, the lifting frame is rotatably connected to two sets of rotating shafts through bearings, a silo cover is fixedly installed between the two sets of rotating shafts, the two sets of rotating shafts are fixedly connected to a set of gears in an opening cover assembly, a screw is threadedly connected to the inner side of the lifting frame, the bottom of the screw is fixedly connected to the driving end of a motor, the screw is rotatably connected to a fixed plate through a bearing, and the fixed plate is fixedly installed on the outer wall of the silo;

[0005] The cover opening assembly includes a gear, which is fixedly sleeved on the outer wall of the rotating shaft, and the gear meshes with a rack. A square guide rod is slidably connected to the inner side of the rack. The top and bottom ends of the square guide rod are fixedly connected to a group of L-shaped positioning blocks, and two groups of L-shaped positioning blocks are fixedly installed on the outer wall of the lifting frame. A hydraulic cylinder is installed on one group of L-shaped positioning blocks, and the telescopic end of the hydraulic cylinder is fixedly connected to the protrusion on the side of the rack.

[0006] Preferably, the motor is fixedly mounted on a motor frame and the motor frame is fixedly mounted on the bottom of the fixing plate.

[0007] Preferably: two sets of guide stabilizing rods are slidably connected to the inner side of the lifting frame, the top end of the guide stabilizing rod is fixedly connected to limit block 1, and the bottom end of the guide stabilizing rod is fixedly connected to limit block 2, and limit block 1 and limit block 2 are both fixedly installed on the outer wall of the silo.

[0008] Preferably, two groups of sliding rods are fixedly connected to the top of the fixing plate, and the sliding rods slide through the inner side of the lifting frame.

[0009] Preferably, two groups of slide grooves matching the two groups of slide rods are provided on the inner side of the bin cover.

[0010] Preferably, a hollow groove is provided on the inner side of the bin cover, and the diameter of the hollow groove is larger than the diameter of the screw.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] When the utility model is used, when it is necessary to open the bin cover to add materials into the silo, two sets of hydraulic cylinders are started at the same time, driving the two sets of racks to move downward synchronously until the bottom of the racks touches the L-shaped positioning block located at the lower position, thereby driving the two sets of gears to rotate synchronously in the same direction. The synchronous rotation of the two sets of gears in the same direction will drive the two sets of rotating shafts to rotate, and the rotation of the two sets of rotating shafts will drive the bin cover to rotate. When the bottom of the rack contacts the L-shaped positioning block located at the lower position, the bin cover is rotated exactly 90 degrees, as shown in the attached figure. Figure 1 As shown; if necessary, start the motor to drive the screw to rotate, the screw rotation will drive the lifting frame to move down, the lifting frame will move down and the bin cover will move down until the lifting frame contacts the limit block 2, as shown in the attached figure. Figure 2 As shown, when the lifting frame contacts the limit block 2, the bin cover will be received on the side of the silo. At this time, the bin cover is not above the silo, and will not occupy the space above the silo to hinder the workers from adding materials into the silo, which is convenient for the workers to add materials. Moreover, this opening operation does not require manual force to flip the bin cover, which reduces the operating burden of the workers and improves the opening efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 It is a structural schematic diagram of the utility model in another state;

[0015] Figure 3 It is a partial structural schematic diagram of the utility model;

[0016] Figure 4 This is a schematic diagram of the interior of the compartment cover.

[0017] In the figure: 1. lifting frame; 2. rotating shaft; 3. bin cover; 4. opening cover assembly; 401. gear; 402. rack; 403. square guide rod; 404. L-shaped positioning block; 405. hydraulic cylinder; 5. screw rod; 6. fixing plate; 7. motor; 8. silo; 9. guide stabilizing rod; 10. limit block 1; 11. limit block 2; 12. slide rod; 13. slide groove; 14. empty groove. DETAILED DESCRIPTION

[0018] 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.

[0019] See also Figure 1 - Figure 4 The figure shows an automatic opening mechanism for a feeding silo of the utility model, comprising a lifting frame 1, the lifting frame 1 is rotatably connected to two sets of rotating shafts 2 through bearings, a silo cover 3 is fixedly installed between the two sets of rotating shafts 2, the two sets of rotating shafts 2 are fixedly connected to a set of gears 401 in an opening cover assembly 4, a screw rod 5 is threadedly connected to the inner side of the lifting frame 1, the bottom of the screw rod 5 is fixedly connected to the driving end of a motor 7, the screw rod 5 is rotatably connected to a fixing plate 6 through a bearing, and the fixing plate 6 is fixedly installed on the outer wall of the silo 8.

[0020] The cover opening assembly 4 includes a gear 401, which is fixedly sleeved on the outer wall of the rotating shaft 2, and the gear 401 meshes with a rack 402. The inner side of the rack 402 is slidably connected with a square guide rod 403, and the top and bottom ends of the square guide rod 403 are fixedly connected with a group of L-shaped positioning blocks 404, and the two groups of L-shaped positioning blocks 404 are fixedly installed on the outer wall of the lifting frame 1. A hydraulic cylinder 405 is installed on one group of the L-shaped positioning blocks 404, and the telescopic end of the hydraulic cylinder 405 is fixedly connected to the gear. When the bin cover 3 needs to be opened and materials need to be added into the silo 8, the two hydraulic cylinders 405 are started at the same time, driving the two racks 402 to move downward synchronously until the bottom of the racks 402 contacts the L-shaped positioning block 404 located at the lower position, thereby driving the two gears 401 to rotate synchronously in the same direction. The synchronous rotation of the two gears 401 in the same direction will drive the two shafts 2 to rotate. The rotation of the two shafts 2 will drive the bin cover 3 to rotate. When the bottom of the racks 402 contacts the L-shaped positioning block 404 located at the lower position, the bin cover 3 rotates exactly 90 degrees. Figure 1 It should be noted that when the top of the rack 402 contacts the L-shaped positioning block 404 located at the upper position, the bin cover 3 fits the top of the silo 8, just blocking the feed port at the top of the silo 8.

[0021] The motor 7 is fixedly mounted on the motor frame and the motor frame is fixedly mounted on the bottom of the fixing plate 6, so that the mounting structure of the motor 7 is stable.

[0022] Two sets of guide stabilizing rods 9 are slidably connected to the inner side of the lifting frame 1. The top of the guide stabilizing rod 9 is fixedly connected to the limit block 10, and the bottom of the guide stabilizing rod 9 is fixedly connected to the limit block 2 11. The limit block 10 and the limit block 2 11 are fixedly installed on the outer wall of the silo 8. The guide stabilizing rod 9, the limit block 10 and the limit block 2 11 are arranged so that the lifting frame can move up and down stably. When the lifting frame 1 contacts the limit block 10, the bin cover 3 can be opened and closed by the cover opening assembly 4. When the lifting frame 1 contacts the limit block 2 11, as shown in the attached figure, Figure 2 As shown, the bin cover 3 will be received at the side of the silo 8. At this time, the bin cover 3 is not above the silo 8, and will not occupy the space above the silo to hinder workers from adding materials into the silo.

[0023] Two sets of slide bars 12 are fixedly connected to the top of the fixing plate 6 , and the slide bars 12 slide through the inner side of the lifting frame 1 . When the lifting frame 1 moves downward, the slide bars 12 are inserted into the compartment cover 3 , so that the compartment cover 3 moves downward stably.

[0024] The inner side of the bin cover 3 is provided with two groups of slide grooves 13 matching with the two groups of slide rods 12 . The slide rods 12 are inserted into the bin cover 3 , so that the bin cover 3 can move downward stably.

[0025] An empty groove 14 is provided inside the bin cover 3 , and the diameter of the empty groove 14 is larger than the diameter of the screw rod 5 . When the bin cover 3 moves downward, the screw rod 5 will enter the empty groove 14 , ensuring that the bin cover 3 can move downward stably without the screw rod 5 colliding with the bin cover 3 .

[0026] Working principle of the utility model: when it is necessary to open the bin cover 3 and add materials into the silo 8, two groups of hydraulic cylinders 405 are started at the same time, driving the two groups of racks 402 to move downward synchronously until the bottom of the racks 402 contacts the L-shaped positioning block 404 located at the lower position, thereby driving the two groups of gears 401 to rotate synchronously in the same direction. The synchronous rotation of the two groups of gears 401 in the same direction will drive the two groups of rotating shafts 2 to rotate, and the rotation of the two groups of rotating shafts 2 will drive the bin cover 3 to rotate. When the bottom of the rack 402 contacts the L-shaped positioning block 404 located at the lower position, the bin cover 3 rotates exactly 90 degrees, as shown in the attached figure. Figure 1 If necessary, the motor 7 is started to drive the screw 5 to rotate, and the rotation of the screw 5 will drive the lifting frame 1 to move downward, and the downward movement of the lifting frame 1 will drive the bin cover 3 to move downward until the lifting frame 1 contacts the limit block 11, as shown in the attached Figure 2 As shown, when the lifting frame 1 contacts the limit block 2 11, the bin cover 3 will be received on the side of the silo 8. At this time, the bin cover 3 is not above the silo 8, and will not occupy the space above the silo to hinder the workers from adding materials into the silo, which facilitates the adding work. Moreover, this opening operation does not require manual force to flip the bin cover, which reduces the operating burden of the workers and improves the opening efficiency.

[0027] The above content is a further detailed description of the utility model in combination with specific implementation methods. It cannot be determined that the specific implementation of the utility model is limited to these descriptions. For ordinary technicians in the technical field to which the utility model belongs, without departing from the concept of the utility model, they can also make several simple deductions or substitutions, which should be regarded as belonging to the scope of protection determined by the claims submitted for the utility model.

Claims

1. An automatic cover opening mechanism for a feeding silo, comprising a lifting frame (1), characterized in that: The lifting frame (1) is rotatably connected to two groups of rotating shafts (2) via bearings, a bin cover (3) is fixedly installed between the two groups of rotating shafts (2), and the two groups of rotating shafts (2) are fixedly connected to a gear (401) in a group of cover opening components (4), a screw rod (5) is threadedly connected to the inner side of the lifting frame (1), the bottom of the screw rod (5) is fixedly connected to the driving end of the motor (7), the screw rod (5) is rotatably connected to the fixed plate (6) via the bearing, and the fixed plate (6) is fixedly installed on the outer wall of the bin (8); The cover opening assembly (4) comprises a gear (401), the gear (401) being fixedly sleeved on the outer wall of the rotating shaft (2), the gear (401) being meshed with a rack (402), the inner side of the rack (402) being slidably connected with a square guide rod (403), the top and bottom ends of the square guide rod (403) being fixedly connected with a group of L-shaped positioning blocks (404), the two groups of L-shaped positioning blocks (404) being fixedly mounted on the outer wall of the lifting frame (1), a hydraulic cylinder (405) being mounted on one group of the L-shaped positioning blocks (404), the telescopic end of the hydraulic cylinder (405) being fixedly connected with a protrusion on the side of the rack (402).

2. The automatic cover opening mechanism for a feeding silo according to claim 1, characterized in that: The motor (7) is fixedly mounted on a motor frame, and the motor frame is fixedly mounted on the bottom of the fixing plate (6).

3. The automatic cover opening mechanism for a feeding silo according to claim 1, characterized in that: Two sets of guide stabilizing rods (9) are slidably connected to the inner side of the lifting frame (1); the top end of the guide stabilizing rod (9) is fixedly connected to a limit block 1 (10); the bottom end of the guide stabilizing rod (9) is fixedly connected to a limit block 2 (11); the limit block 1 (10) and the limit block 2 (11) are both fixedly mounted on the outer wall of the silo (8).

4. The automatic cover opening mechanism for a feeding silo according to claim 1, characterized in that: Two groups of sliding rods (12) are fixedly connected to the top of the fixed plate (6), and the sliding rods (12) slide through the inner side of the lifting frame (1).

5. The automatic cover opening mechanism for a feeding silo according to claim 1, characterized in that: Two groups of slide grooves (13) matching the two groups of slide rods (12) are provided on the inner side of the bin cover (3).

6. The automatic cover opening mechanism for a feeding silo according to claim 1, characterized in that: A hollow groove (14) is provided on the inner side of the bin cover (3), and the diameter of the hollow groove (14) is larger than the diameter of the screw rod (5).

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