A lifting device specially used for stacking silkworm frames

Abstract

The present invention belongs to the technical field of sericulture equipment, and in particular relates to a lifting device specifically for stacking silkworm frames. The present invention provides a lifting device specifically for stacking silkworm frames. By arranging a vertical lifting cylinder unit and a horizontal telescopic cylinder unit on a table panel, and by leaving only the bottommost silkworm frame alone during each lifting operation, the lifting device can stably and efficiently separate a plurality of stacked silkworm frames from bottom to top.

Description

Technical Field

[0001] The invention belongs to the technical field of silkworm rearing equipment, and in particular relates to a lifting device dedicated to stacking silkworm frames. Background Art

[0002] The most common tools used in modern silkworm rearing production lines are the silkworm frames and nets. The former provides the silkworms with the maximum safe range of movement, while the latter is placed within the former. Nets are available in a variety of lengths, widths, and mesh sizes to ensure that silkworms of all ages have adequate and suitable growth space.

[0003] On the other hand, silkworm frames are typically stacked 5-10 times during transportation, with a pallet at the bottom, ensuring relatively safe and efficient transportation. However, the frames must be transported individually on the production line to ensure smooth operations such as feeding, seeding, and disinfection. Therefore, a dedicated "pallet separation" device for stacking the frames is required upstream of the silkworm rearing line.

[0004] The Chinese utility model patent with patent announcement number CN215478376U and announcement date 2022.01.11 discloses an automated splitting and stacking device for pallets, including: a frame, a steering gear, a power shaft, a lifting column, a spiral lifting plate, and a conveyor roller. The steering gear is fixed to the inner side of the four corners of the lower part of the frame. The steering gear converts horizontal input into vertical output. The power shaft is connected to the input end of the steering gear. The two steering gears on the same side are connected to the same power shaft. The lifting column is installed on the inner side of the frame through a bearing seat, and the lower end of the lifting column is fixed to the output end of the steering gear. The spiral lifting plate is fixed to the lifting column in a threaded shape, and the thread spacing of the spiral lifting plate gradually increases from top to bottom.

[0005] The general principle of the splitting operation of the automated splitting and stacking device in this utility model patent is as follows: first, the side of the pallet on which it acts has a horizontally outward extending edge; second, when the pallet needs to be disassembled for use, the stacked pallets are placed on top of the rack, and the four spiral lifting pieces will gradually lower the height of the pallets during the rotation; then, as the thread pitch of the spiral lifting pieces gradually increases from top to bottom, the distance between the two adjacent pallets above and below will also gradually increase; then, during the rotation process, when the upper edge of the lower pallet is separated from the lower edge of the upper pallet, it will fall onto the conveyor roller and be moved out by the conveyor roller; finally, the cyclic operation can disassemble the stacked pallets and enter the production line one by one.

[0006] However, the tray splitting operation of the device still has at least the following two shortcomings during the process. In other words, these are the technical problems to be solved by the present invention.

[0007] First, the splitting operation has certain requirements on the structure of the pallet. The side of the pallet must have a horizontal outward extending edge, which greatly limits its scope of application.

[0008] Second, the spiral lifting piece will continue to wear the pallet during use, so the service life of both is not long, and the disassembly operation site will also make a lot of noise, and the overall user experience is poor.

[0009] Therefore, in summary, for the purpose of separating the stacked silkworm frames one by one, there is an urgent need for a new type of "disc separation" equipment that is relatively efficient and safe in separation operation. Summary of the Invention

[0010] The present invention provides a lifting device specially used for stacking silkworm frames. The lifting device can stably and efficiently separate a plurality of stacked silkworm frames from bottom to top by arranging a vertical lifting cylinder unit and a horizontal telescopic cylinder unit on a table panel and leaving only the lowest silkworm frame behind each time the silkworm frames are lifted.

[0011] The technical solution adopted by the present invention to solve the above problems is: a lifting device specially used for stacking silkworm frames, the structure of which includes a table panel, a vertical lifting cylinder unit arranged on the upper surface of the table panel and used to lift and lower the silkworm frames, and a horizontal telescopic cylinder unit arranged on the vertical lifting cylinder unit and used to support and release the silkworm frames.

[0012] A further preferred technical solution is that it further comprises a nozzle unit which is arranged on the transverse telescopic cylinder unit and is used to disinfect the silkworm frame when the transverse telescopic cylinder unit supports the silkworm frame.

[0013] A further preferred technical solution is that the vertical lifting cylinder unit includes a vertical cylinder arranged on the upper surface of the table panel, a lifting plate arranged on the vertical cylinder and used to install the horizontal telescopic cylinder unit, and a limiting rod arranged on the upper surface of the table panel and plugged into the lifting plate.

[0014] A further preferred technical solution is that the transverse telescopic cylinder unit includes a transverse cylinder arranged on the upper surface of the lifting plate, a rectangular plate for supporting the lower surface of the silkworm frame, an internal threaded tube arranged on the side of the rectangular plate and used to connect the threaded section of the cylinder shaft, and a limiting hole block arranged on the upper surface of the lifting plate and plugged into the cylinder shaft.

[0015] A further preferred technical solution is that the nozzle unit includes a slot arranged on the upper surface of the rectangular plate and used to fill disinfectant water, a sealing plate arranged on the upper surface of the rectangular plate, a nozzle arranged on the side of the rectangular plate and connected to the slot, a water supply pipe arranged on the side of the rectangular plate and connected to the slot, and an elastic membrane arranged on the sealing plate and used to pressurize the slot by being pressed down by the silkworm frame.

[0016] A further preferred technical solution is that the nozzle unit further includes a one-way valve provided on the water supply pipe.

[0017] A further preferred technical solution is that the nozzle unit also includes a through-hole arranged on the notch and aligned with the internal threaded tube, a slot arranged on the notch and aligned with the through-hole, a plug-in hole plate arranged on the lower surface of the sealing plate, and a plug-in rod arranged on the through-hole, the plug-in hole plate and the slot, and supporting the cylinder shaft.

[0018] A further preferred technical solution is that the nozzle unit further includes a circular pressure hole provided on the sealing plate and attached to the elastic membrane.

[0019] A further preferred technical solution is that: the plurality of nozzles are respectively directed toward the lower surface of the upper silkworm frame and the inner bottom surface of the lower silkworm frame.

[0020] A further preferred technical solution is that the nozzle is a normally closed pressure nozzle. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a structural schematic diagram of the present invention.

[0022] Figure 2 This is a schematic diagram of the use of the lifting device in the present invention.

[0023] Figure 3 This is a schematic diagram of the position structure of the transverse telescopic cylinder unit in the present invention when viewed from a top view.

[0024] Figure 4 Schematic diagram of the use of the nozzle unit in the present invention.

[0025] Figure 5 Schematic diagram of the position structure of the nozzle unit in the present invention.

[0026] Figure 6 This is a schematic diagram of the coordinated use of the plug-in hole plate and the plug-in rod in the present invention.

[0027] Figure 7 Schematic diagram of the position of the nozzle in the present invention.

[0028] Figure 8Schematic diagram of the position structure of the circular pressure hole in the present invention.

[0029] Figure 9 This is a structural schematic diagram of the nozzle in the present invention.

[0030] In the accompanying drawings, the meanings of the reference numerals are as follows.

[0031] Silkworm frame a, tray b, conveyor belt c, table panel 1, vertical lifting cylinder unit 2, horizontal telescopic cylinder unit 3, nozzle unit 4.

[0032] Vertical cylinder 201 , lifting plate 202 , limiting rod 203 , horizontal cylinder 301 , rectangular plate 302 , internal threaded tube 303 , limiting hole block 304 , cylinder shaft 305 .

[0033] Notch 401 , sealing plate 402 , nozzle 403 , water supply pipe 404 , elastic membrane 405 , one-way valve 406 , through hole 407 , slot 408 , plug-in hole plate 409 , plug-in rod 410 , circular pressurizing hole 411 . DETAILED DESCRIPTION

[0034] The following description is merely a preferred embodiment of the present invention and is not intended to limit the scope of the present invention.

[0035] As attached Figure 1-9 As shown, a lifting device specially used for stacking silkworm frames includes a table panel 1, a vertical lifting cylinder unit 2 arranged on the upper surface of the table panel 1 and used to lift and lower the silkworm frame a, and a horizontal telescopic cylinder unit 3 arranged on the vertical lifting cylinder unit 2 and used to support and release the silkworm frame a.

[0036] In this embodiment, the lifting device's "separation" operation object is the stacking combination of the bottom tray b and the top 5-10 silkworm frames a. The general principle of the lifting and separation operation is as follows:

[0037] First, initially, the vertical lifting cylinder unit 2 is in the "middle position" and the horizontal telescopic cylinder unit 3 is in the "outer position", waiting for the arrival of the stacking combination;

[0038] Second, the conveyor belt c moves the stacked combination into position and then stops. At this time, the horizontal telescopic cylinder unit 3 first moves inward to the "inner position", and the vertical lifting cylinder unit 2 then moves upward to the "high position". Finally, the conveyor belt c is restarted to separate the trays and remove the tray b.

[0039] Third, the vertical lifting cylinder unit 2 is then moved downward to the "low position", that is, the lowest silkworm frame a is placed on the conveyor belt c, and then the horizontal telescopic cylinder unit 3 is retracted to the "outer position", and then the vertical lifting cylinder unit 2 returns to the "middle position", and the horizontal telescopic cylinder unit 3 returns to the "inner position", and finally the vertical lifting cylinder unit 2 is moved upward to the "high position", the conveyor belt c is reopened, and the lowest silkworm frame a is successfully removed, and the subsequent actions are repeated.

[0040] Therefore, it can be summarized as follows: the vertical lifting cylinder unit 2 switches between the three positions of "middle position, high position, and low position" in an orderly manner, and the horizontal telescopic cylinder unit 3 switches between the two positions of "outer position, inside and outside" in an orderly manner, thereby ensuring the lifting and separation effects of the stacked silkworm frames.

[0041] The device further comprises a nozzle unit 4 which is arranged on the transverse telescopic cylinder unit 3 and is used for disinfecting the silkworm frame a when the transverse telescopic cylinder unit 3 supports the silkworm frame a.

[0042] In this embodiment, the nozzle unit 4 will not spray disinfectant when it is not pressed down by the upper silkworm frame a, avoiding waste of disinfectant and spilling it all over the floor. However, at the moment when it is pressed down by the upper silkworm frame a, the internal pressure increases and the disinfectant sprays out. At this time, the nozzle unit 4 is exactly located between the upper and lower silkworm frames a, and both silkworm frames a can be disinfected, which is very efficient.

[0043] Moreover, no power supply or pressure pump is required during this disinfection process.

[0044] The vertical lifting cylinder unit 2 includes a vertical cylinder 201 arranged on the upper surface of the table panel 1, a lifting plate 202 arranged on the vertical cylinder 201 and used to install the horizontal telescopic cylinder unit 3, and a limiting rod 203 arranged on the upper surface of the table panel 1 and plugged into the lifting plate 202.

[0045] In this embodiment, the vertical cylinder 201 leaves enough lifting space and is externally connected to a simple control circuit to ensure that it can be switched in the order of "middle position, high position, low position" mentioned above.

[0046] The specific heights of the three positions are not fixed and are determined according to the actual height of the silkworm frames a. In other words, as long as the transverse telescopic cylinder unit 3 can lift all the remaining silkworm frames a and leave only the lowest silkworm frame a to be removed, the transverse telescopic cylinder unit 3 is in the "high position". If it moves upward or downward appropriately, it is also called the "high position". The same principle applies to the other "middle position" and "low position".

[0047] The transverse telescopic cylinder unit 3 includes a transverse cylinder 301 arranged on the upper surface of the lifting plate 202, a rectangular plate 302 for supporting the lower surface of the silkworm frame a, an internal threaded tube 303 arranged on the side of the rectangular plate 302 and used to connect the threaded section of the cylinder shaft 305, and a limiting hole block 304 arranged on the upper surface of the lifting plate 202 and plugged into the cylinder shaft 305.

[0048] In this embodiment, the limiting rod 203 and the limiting hole block 304 have the same function, which is to ensure that the cylinder can only move linearly and cannot deviate.

[0049] In addition, the cylinder shaft 305 has a threaded section to ensure that the rectangular plate 302 is fully installed, and the rectangular plate 302 directly supports the silkworm frame a.

[0050] The nozzle unit 4 includes a slot 401 provided on the upper surface of the rectangular plate 302 and used for filling disinfectant water, a sealing plate 402 provided on the upper surface of the rectangular plate 302, a nozzle 403 provided on the side of the rectangular plate 302 and connected to the slot 401, a water supply pipe 404 provided on the side of the rectangular plate 302 and connected to the slot 401, and an elastic membrane 405 provided on the sealing plate 402 and used to pressurize the slot 401 by being pressed down by the silkworm frame a.

[0051] In this embodiment, the nozzle unit 4 is generally used as follows.

[0052] First, the disinfectant fills the slot 401 by its own weight and pushes up the elastic membrane 405 made of rubber, making it convex.

[0053] Second, the rectangular plate 302 comes between the upper and lower silkworm frames a and is lifted upward, and the elastic membrane 405 is pressed by the upper silkworm frame a. At this time, the groove 401 is pressurized, and the disinfectant water can break through the nozzle 403 to complete the disinfectant water spraying operation, ensuring the hygienic effect of the silkworm frame a.

[0054] Third, after the rectangular plate 302 is withdrawn and retracted, the disinfectant water flows downward again and the elastic membrane 405 bulges again, and the subsequent operation is repeated.

[0055] The purpose of providing the sealing plate 402 is to facilitate cleaning of the slot 401. After all, the interior of the slot 401 will become scaled and dirty if disinfectant is used and temporarily stored therein for a long time.

[0056] In other words, the “price” that the nozzle unit 4 has to pay is how to ensure the sealing between the sealing plate 402 and the notch 401 .

[0057] The nozzle unit 4 further includes a one-way valve 406 disposed on the water supply pipe 404 .

[0058] In this embodiment, when the slot 401 is pressurized, the disinfectant water will not only be lifted up and broken through at the nozzle 403 , but will also flow back at the water supply pipe 404 . This backflow action needs to be avoided, and this is the function of the one-way valve 406 .

[0059] The nozzle unit 4 also includes a through-hole 407 arranged on the notch 401 and aligned with the internal threaded tube 303, a slot 408 arranged on the notch 401 and aligned with the through-hole 407, a plug-in hole plate 409 arranged on the lower surface of the sealing plate 402, and a plug-in rod 410 arranged on the through-hole 407, the plug-in hole plate 409 and the slot 408 and supporting the cylinder shaft 305.

[0060] In this embodiment, a circle of sealing strips is provided on the side of the notch 401 or on the lower surface of the sealing plate 402, so that the plug-in hole plate 409 and the through-hole 407 and the slot 408 are slightly misaligned at the beginning, until the plug-in rod 410 passes through and the sealing strip is appropriately pressed down, so as to ensure that the entire plug-in structure is successfully completed, and at this time the notch 401 and the sealing plate 402 are fully sealed.

[0061] In addition, the outer end of the plug-in rod 410 is the cylinder shaft 305, which is fully threaded with the internal threaded tube 303 to become an anti-falling structure of the former, which is very clever.

[0062] Finally, the plug-in rod 410 must also be properly sealed in the through-hole 407 . The former is made of low-elasticity rubber and has a proper interference fit in the through-hole 407 to prevent the disinfectant from leaking out of the through-hole 407 .

[0063] The nozzle unit 4 further includes a circular pressure hole 411 provided on the sealing plate 402 and passing through the elastic membrane 405 .

[0064] In this embodiment, the circular elastic membrane 405 is fully bonded and sealed to the circular pressurizing hole 411. In addition, a plurality of circular pressurizing holes 411 can be provided to ensure greater pressurization strength. In other words, the disinfectant can be sprayed more and farther.

[0065] The plurality of nozzles 403 are respectively directed toward the lower surface of the upper silkworm frame a and the inner bottom surface of the lower silkworm frame a.

[0066] In this embodiment, the nozzles 403 are divided into two rows, the upper row of nozzles is tilted upward, and the lower row of nozzles is tilted downward, to ensure a more sufficient sterilization effect of the disinfectant water.

[0067] The nozzle 403 is a normally closed pressure nozzle.

[0068] In this embodiment, the nozzle 403 is an existing structure and product, and has a rubber hole inside. When there is no pressure or the pressure is insufficient, the hole structure is normally closed until the elastic membrane 405 is pressed down, allowing the disinfectant water to break through the rubber hole structure, and then it closes again to ensure that the spraying amount of disinfectant water is sufficient and appropriate.

[0069] Finally, this embodiment has the following advantages.

[0070] First, the silkworm frame of the lifting device is lifted up, leaving only the lowest silkworm frame a each time, and the silkworm frame a can be removed by the conveyor belt. The above operation is repeated many times to achieve the purpose of "disc separation" of stacked silkworm frames.

[0071] Second, the above-mentioned lifting and separating operations are applicable to the vast majority of common silkworm frames, and will not damage or wear the silkworm frames.

[0072] Third, the lifting equipment is combined with a suitable vertical lifting and horizontal extension sequence to ensure that multiple silkworm frames a can be separated one by one, which is convenient for subsequent expansion, feeding and other operations.

[0073] Fourthly, the action of the transverse telescopic cylinder unit 3 supporting the silkworm frame a triggers the spraying action of disinfectant water, further improving the hygiene level of the silkworm frame a. This is the role of the nozzle unit 4.

[0074] Fifth, as for the nozzle unit 4 itself, it does not need a pressure pump. The disinfectant water relies only on its own gravity and the pressurization action of the elastic membrane 405 to ensure that the nozzle 403 can obtain a spraying effect with sufficient power.

[0075] Sixth, the nozzle unit 4 itself is easy to disassemble, and the inside of the slot 401 is easy to clean. Only one plug-in rod 410 is required to ensure sufficient sealing of the slot 401.

[0076] Seventh, the nozzle 403 can spray disinfectant when the pressure is sufficient, with part of the nozzle facing upward and part of the nozzle facing downward, ensuring that the two adjacent silkworm frames a above and below can obtain sufficient disinfection effect.

[0077] While the embodiments of the present invention have been described in detail above with reference to the accompanying drawings, the present invention is not limited to the aforementioned embodiments. Various modifications are possible within the scope of knowledge possessed by a person skilled in the art without departing from the spirit of the present invention. These modifications are non-inventive and are protected by patent law as long as they fall within the scope of the claims of the present invention.

Claims

1. A lifting device for stacking silkworm frames, comprising a table panel (1), characterized in that: It also includes a vertical lifting cylinder unit (2) arranged on the upper surface of the table panel (1) and used for lifting and lowering the silkworm frame (a), and a horizontal telescopic cylinder unit (3) arranged on the vertical lifting cylinder unit (2) and used for supporting and releasing the silkworm frame (a). It also includes a nozzle unit (4) arranged on the transverse telescopic cylinder unit (3) and used for disinfecting the silkworm frame (a) when the transverse telescopic cylinder unit (3) supports the silkworm frame (a). The vertical lifting cylinder unit (2) comprises a vertical cylinder (201) arranged on the upper surface of the table panel (1), a lifting plate (202) arranged on the vertical cylinder (201) and used to install the horizontal telescopic cylinder unit (3), and a limiting rod (203) arranged on the upper surface of the table panel (1) and plugged into the lifting plate (202). The transverse telescopic cylinder unit (3) comprises a transverse cylinder (301) provided on the upper surface of the lifting plate (202), a rectangular plate (302) for supporting the lower surface of the silkworm frame (a), an internal threaded tube (303) provided on the side of the rectangular plate (302) and used for connecting to the threaded section of the cylinder shaft (305), and a limiting hole block (304) provided on the upper surface of the lifting plate (202) and plugged into the cylinder shaft (305). The nozzle unit (4) includes a slot (401) provided on the upper surface of the rectangular plate (302) and used for filling disinfectant water, a sealing plate (402) provided on the upper surface of the rectangular plate (302), a nozzle (403) provided on the side of the rectangular plate (302) and connected to the slot (401), a water supply pipe (404) provided on the side of the rectangular plate (302) and connected to the slot (401), and an elastic membrane (405) provided on the sealing plate (402) and used for pressurizing the slot (401) by being pressed down by the silkworm frame (a). The nozzle unit (4) further includes a through hole (407) provided on the notch (401) and aligned with the internal threaded tube (303), a slot (408) provided on the notch (401) and aligned with the through hole (407), a plug-in plate (409) provided on the lower surface of the sealing plate (402), and a plug-in rod (410) provided on the through hole (407), the plug-in plate (409) and the slot (408) and supporting the cylinder shaft (305).

2. The lifting device for stacking silkworm frames according to claim 1, characterized in that: The nozzle unit (4) further comprises a one-way valve (406) arranged on the water supply pipe (404).

3. The lifting device for stacking silkworm frames according to claim 1, characterized in that: The nozzle unit (4) further comprises a circular pressure hole (411) provided on the sealing plate (402) and attached to the elastic membrane (405).

4. The lifting device for stacking silkworm frames according to claim 1, characterized in that: The plurality of nozzles (403) are respectively directed toward the lower surface of the upper silkworm frame (a) and the inner bottom surface of the lower silkworm frame (a).

5. The lifting device for stacking silkworm frames according to claim 1, characterized in that: The nozzle (403) is a normally closed pressure nozzle.

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