A liquor cellar sealing surface pit mud grabbing device

Abstract

The application relates to a liquor pit sealing surface pit mud grabbing device, and belongs to the mechanical design field. The device comprises a material taking frame, a spiral driving mechanism and a gripper. The spiral driving mechanism is installed on the material taking frame, one end of the gripper is installed on the spiral driving mechanism, and the other end is inserted into pit mud. The spiral driving mechanism is operated to drive the opening and closing of the gripper, and the pit mud is grabbed through the pressure generated by the opening of the gripper. The depth of the device inserted into the pit mud is uniform, the hidden danger of pit mud pollution during manual pit opening can be avoided, and the liquor yield is improved.

Description

Technical Field

[0001] This application relates to the field of mechanical design, and in particular to a device for grabbing the mud from the sealed surface of a liquor cellar. Background Technology

[0002] The brewing process of Maotai-flavor liquor follows a unique "12987" production process, which involves two rounds of grain feeding, nine rounds of steaming and cooking, eight rounds of fermentation, and seven rounds of distillation within a one-year production cycle. During the eight fermentation stages, the mash is fermented in special stone-lined pits. After the mash is placed in the pits, a highly adhesive purplish-red clay is used as the sealing material.

[0003] With the development of production technology, most Maotai-flavor liquor now uses a combination of food-grade film and cellar mud for sealing the fermentation pits. Currently, each time the pit is opened to extract liquor, workers use shovels or other devices to shovel the cellar mud around the food-grade film into a mud boat. This process takes about 40 minutes and requires two workers to complete.

[0004] During the process of shoveling pit mud, the food film is easily damaged, causing the pit mud to seep into the mash, resulting in substandard mash quality and reduced alcohol production. Therefore, it is evident that the traditional manual method of opening pits is time-consuming, labor-intensive, difficult, and inefficient. Utility Model Content

[0005] Based on this, this application provides a device for grabbing cellar mud on the sealed surface of a liquor cellar. The device inserts into the cellar mud at a uniform depth, which can avoid the risk of cellar mud contamination when manually opening the cellar and improve the liquor production rate.

[0006] To solve the above problems, this utility model provides a device for grabbing the cellar mud on the sealed surface of a liquor cellar, including: a material grabbing frame, a screw drive mechanism, and a gripper. The screw drive mechanism is installed on the material grabbing frame, and one end of the gripper is installed on the screw drive mechanism, while the other end is inserted into the cellar mud. Operating the screw drive mechanism can drive the gripper to open and close, and the pressure generated by the opening and closing of the gripper can be used to grip the cellar mud tightly.

[0007] Furthermore, the material handling frame is a truss structure, including a crossbeam in the middle and baffles connected to both ends of the crossbeam.

[0008] Furthermore, the helical drive mechanism includes a helical rod and a helical sleeve. Bearings are provided on the baffles at both ends of the crossbeam. The helical rod passes through two bearings and is capable of rotation. The helical sleeve is sleeved on the helical rod.

[0009] Furthermore, the spiral rod has an external thread structure, and the spiral sleeve has an internal thread structure.

[0010] Furthermore, the gripper has an X-shaped structure, including two connecting arms and two mud insertion plates. The connecting arms are telescopic, with one end of each connecting arm connected to a two spiral sleeve and the other end connected to the shaft of the first gear. One end of each mud insertion plate is connected to the shaft of the second gear, and the other end is a free end. The first gear and the second gear mesh coaxially. When the first gear rotates, it will drive the second gear to rotate in the opposite direction.

[0011] The two spiral sleeves have opposite thread directions. When the rotating screw rod brings the two spiral sleeves closer together, the two mud insertion plates open; when the two spiral sleeves move away from each other, the two mud insertion plates converge.

[0012] Furthermore, holes are made in the crossbeam of the material picking rack, and the two ends of the shaft of the first gear and the two ends of the shaft of the second gear overlap the holes in the crossbeam of the material picking rack.

[0013] Furthermore, there are at least two grippers, which are disposed on the crossbeam of the material handling rack.

[0014] Furthermore, the pit mud insertion plate is provided with thorns.

[0015] Furthermore, the maximum opening angle of the two mud insertion plates is 45°-55°, and the distance between the rotating shafts of two adjacent grippers is 40cm-50cm.

[0016] Furthermore, it also includes a lifting structure, including a crane and a hook. The hook is installed on the crane and hung on the material handling frame. The moving crane transfers the pit mud gripped by the grabber.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] (1) This utility model is driven by a spiral drive mechanism, and the depth of the gripper inserted into the cellar mud is uniform, which can avoid the hidden danger of cellar mud pollution when opening the cellar manually and improve the wine production rate.

[0019] (2) This utility model relies on the method of opening the pit by using a crane to lift the pit mud on the material picker, which can reduce the difficulty and labor intensity of workers and improve work efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the initial state structure in an embodiment of this utility model;

[0021] Figure 2 This is a schematic diagram of the working state structure in an embodiment of this utility model;

[0022] Figure 3 This is a schematic diagram of the gripper structure in an embodiment of the present utility model;

[0023] Among them: 1-material receiving frame, 11-crossbeam, 12-baffle, 2-gripper, 21-connecting arm, 22-mud insertion plate, 23-first gear, 24-second gear, 31-spiral rod, 32-spiral sleeve. Detailed Implementation

[0024] The present application will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the scope of the present application.

[0025] This utility model relates to a device for grabbing the mud from the sealed surface of a liquor cellar, such as... Figure 1 or Figure 2 As shown, it includes: a material handling frame 1, a screw drive mechanism and a gripper 2. The screw drive mechanism is installed on the material handling frame 1, and one end of the gripper 2 is installed on the screw drive mechanism, while the other end is inserted into the pit mud. By operating the screw drive mechanism, the gripper 2 can be opened and closed, and the pressure generated by the opening and closing of the gripper 2 can be used to grip the pit mud.

[0026] Specifically, before opening the cellar to extract the wine, the screw drive mechanism is rotated back to its original position, and the gripper 2 is in a vertical position with the cellar mud horizontal. The gripper 2 is inserted into the cellar mud by its own weight. Then, the screw drive mechanism is operated to open the gripper 2. Relying on the strong adhesive properties of the cellar mud itself, the cellar mud is gripped tightly by the pressure between the grippers 2. The device in this application can be lifted and transported to a suitable location such as a mud boat by a crane.

[0027] The aforementioned device eliminates the traditional method of opening fermentation pits entirely by manual labor, reducing the difficulty and intensity of the work while improving efficiency. By ensuring a uniform insertion depth into the pit mud, the device avoids the risk of contamination of the mash by the pit mud during manual opening, thus increasing the alcohol yield.

[0028] As one embodiment of this application, the material handling frame 1 is a truss structure, including a central crossbeam 11 and baffles 12 connected to both ends of the crossbeam. The bottom of the baffles 12 is machined with wedge-shaped cutting edges with an angle of 15°-20°. The material handling frame is responsible for frame support and initial cutting, while the gripper is responsible for core clamping; both work together to complete a reliable material handling task. Specifically, the baffles 12 at both ends are used to cut the pit mud, and simultaneously, the baffles at both ends interact with the gripper 2 in the middle, bearing force to clamp the pit mud in the middle. When the bottom cutting edge of the baffle is pressed down by the device, it acts like two parallel knives cutting into the pit mud first, separating the target material handling area from the surrounding pit mud. After the baffles insert into the pit mud, they provide a crucial reaction force fulcrum for the gripper's clamping action.

[0029] The truss structure ensures that the entire material handling frame has extremely high rigidity and stability, and can withstand huge bending moments and torques without deformation during cutting and clamping. The crossbeam 11, as the core load-bearing component of the truss, is responsible for connecting and fixing all components, and evenly distributing the forces transmitted from the gripper 2 and the baffle 12 to the entire truss.

[0030] As one embodiment of this application, the helical drive mechanism includes a helical rod 31 and a helical sleeve 32. Bearings are provided on the baffles 12 at both ends of the crossbeam. The helical rod 31 passes through two bearings, receives external rotational power, and is able to rotate. The external rotational power is such as motor drive or manual crank. The helical sleeve 32 is sleeved on the helical rod 31, converting the rotational motion of the helical rod 31 into the linear motion of the helical sleeve 32.

[0031] In one embodiment of this application, the spiral rod 31 has an external thread structure, and the spiral sleeve 32 has an internal thread structure. The external thread of the spiral rod 31 and the internal thread of the spiral sleeve 32 are precisely matched, and the two together form a spiral pair, which amplifies the small input torque into a huge clamping force, making it very suitable for gripping heavy viscous materials, such as the pit mud in this application.

[0032] As one embodiment of this application, such as Figure 3 As shown, the gripper 2 has an X-shaped structure, including two connecting arms 21 and two mud insertion plates 22. The connecting arms 21 are telescopic. One end of each connecting arm 21 is connected to a spiral sleeve 32, and the other end is connected to the shaft of the first gear 23. One end of each mud insertion plate is connected to the shaft of the second gear 24, and the other end is a free end. The first gear 23 and the second gear 24 are coaxially meshed. When the first gear 23 rotates, it will drive the second gear 24 to rotate in the opposite direction.

[0033] For example, the first gear 23 is fixedly connected to one end of the connecting arm 21 and is the driving gear, while the second gear 24 is fixedly connected to the mud insertion plate 22 and is the driven gear. The two are coaxially installed but independently fixed on the same rigid spindle. Through precision gear meshing, the spindle is fixed to the crossbeam 11 by two bearing seats.

[0034] The two spiral sleeves 32 have opposite thread directions. When the rotating screw rod 31 moves the two spiral sleeves 32 closer together, the two mud insertion plates 22 open; when the two spiral sleeves 32 move away from each other, the two mud insertion plates 22 converge to clamp the mud in the middle. The single screw rod ensures that the movements on both sides are completely synchronized, and the clamping is centered and will not be skewed.

[0035] As one embodiment of this application, holes are made in the crossbeam 11 of the picking rack, and the two ends of the shaft of the first gear 23 and the two ends of the shaft of the second gear 24 are connected to the holes in the crossbeam 11 of the picking rack.

[0036] In one embodiment of this application, at least two grippers 2 are disposed on the crossbeam 11 of the material handling frame. The grippers are arranged at equal intervals along the length of the crossbeam 11. For two grippers, they are located symmetrically on both sides of the center line of the crossbeam. For three or more grippers, they are evenly distributed with the center of the crossbeam as the axis of symmetry to ensure overall structural balance and uniform force distribution. Multiple gripping points share the load, making the gripped mud blocks more stable during lifting and transfer, preventing them from shaking or scattering. When gripping oversized or overweight mud blocks, the multiple grippers can work together to avoid excessive force at a single point, which could lead to structural damage or mud breakage.

[0037] As one embodiment of this application, the pit mud insertion plate 22 is provided with thorns, which can be evenly distributed on the entire working surface of the insertion plate 22 or distributed at the lower end and edge area of ​​the insertion plate. The style can be conical nail teeth, triangular / quadrilateral thorns, or barbed thorns. The thorns can penetrate into the pit mud to form a mechanical interlock and prevent it from falling off under heavy load or vibration.

[0038] For example, the pit size can be designed to be 4m long and 2.7m wide, the pit mud thickness is 13cm-15cm, the width of the gripper 2 is designed to be the same as the width of the material picker 1, the length of the insertion plate 22 is designed to be 12cm, the maximum opening angle of the two pit mud insertion plates 22 is 45°-55°, and the distance between the rotating shafts of two adjacent grippers 2 is 40cm-50cm.

[0039] Insertion stage: When the gripper 2 converges and the insertion plate 22 presses against the pit mud, the tip of the thorn first contacts the mud surface, and the pressure makes the thorn easily penetrate into the pit mud.

[0040] Anchoring phase: Grab 2 gradually opens, and as the pressure increases, the spikes are completely submerged in the pit mud. At this point, the pit mud material is squeezed and wraps around the entire surface of the spikes, forming static friction and mechanical interlocking force.

[0041] Lifting Phase: During the lifting process, the gravity of the pit mud attempts to detach it from the insert plate. However, the pit mud surrounding the spikes provides strong confining pressure and shear resistance, ensuring a firm grip.

[0042] Release phase: Grabber 2 reassembles, breaking the binding mud around the thorns through slight shaking or peeling motions.

[0043] As one embodiment of this application, a lifting structure is also included, comprising a crane and a hook. The hook is mounted on the crane and hooked onto the material handling frame 1. The moving crane transfers the silt held by the gripper 2. The crane can be a bridge crane, providing precise movement of the entire material handling device in the horizontal plane. The hook is the terminal lifting device of the lifting mechanism on the crane, providing vertical lifting power.

[0044] An example workflow is as follows:

[0045] (1) Unloaded mobile positioning:

[0046] The operator operates the overhead crane in the control room to move the suspended material handling device directly above the target pit and finely adjusts the horizontal position of the device.

[0047] (2) Descent and Cutting:

[0048] Operate the overhead crane's lowering hook, and the entire material handling device will descend vertically.

[0049] The baffles 12 at both ends of the device first cut into the pit mud until they reach the predetermined depth, completely separating a piece of pit mud from the surrounding mud.

[0050] (3) Clamping and grasping:

[0051] The spiral drive mechanism is activated, which drives the first insertion plate 22 of the gripper 2 to converge, and the spikes pierce into the isolated pit mud block, and then gradually open to firmly clamp the pit mud.

[0052] (4) Promotion and Transfer:

[0053] Operate the overhead crane lifting hook, and the entire material handling device will hold the pit mud block and rise steadily, detaching it from the pit; operate the overhead crane to transfer the heavy pit mud block horizontally to the target position.

[0054] (5) Release and reset:

[0055] Above the target position, the control drive mechanism reverses, causing the insertion plate of gripper 2 to re-aggregate, and the mud block is released and falls.

[0056] (6) Operate the crane to move the empty material handling device back to the pit or the next work point, in preparation for the next operation.

[0057] It should be noted that, in this application, "comprising" or any other variation thereof is intended to cover non-exclusive inclusion, such that a method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such an article or apparatus. Without further limitations, an element defined by the phrase "comprising..." does not exclude the presence of other identical elements in the method, article, or apparatus that includes that element.

[0058] In the description of this application, unless otherwise expressly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this application in conjunction with the specific content of the technical solution.

[0059] The various embodiments in this specification are described in a progressive manner, with each embodiment focusing on the differences from other embodiments. The same or similar parts between the various embodiments can be referred to each other.

[0060] This application uses specific examples to illustrate the principles and implementation methods of this utility model. The descriptions of the above embodiments are only for the purpose of helping to understand the method and core ideas of this utility model. It should be noted that for those skilled in the art, various modifications, combinations, sub-combinations, and substitutions can be made without departing from the principles of this utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A device for grabbing the mud from the sealing surface of a liquor cellar, characterized in that, include: The material picker (1), the screw drive mechanism and the gripper (2) are installed on the material picker (1). One end of the gripper (2) is installed on the screw drive mechanism and the other end is inserted into the pit mud. By operating the screw drive mechanism, the gripper (2) can be opened and closed, and the pit mud can be gripped by the pressure generated by the opening between the grippers (2).

2. The device for grabbing the surface mud of a liquor cellar as described in claim 1, characterized in that, The material handling rack (1) is a truss structure, including a crossbeam (11) in the middle and baffles (12) connected to both ends of the crossbeam.

3. The device for grabbing the surface mud of a liquor cellar as described in claim 2, characterized in that, The spiral drive mechanism includes a spiral rod (31) and a spiral sleeve (32). Bearings are provided on the baffles (12) at both ends of the crossbeam. The spiral rod (31) passes through the two bearings and can rotate. The spiral sleeve (32) is sleeved on the spiral rod (31).

4. The device for grabbing the surface mud of the sealed cellar in a liquor cellar as described in claim 3, characterized in that, The spiral rod (31) has an external thread structure, and the spiral sleeve (32) has an internal thread structure.

5. The device for grabbing the surface mud of a liquor cellar as described in claim 4, characterized in that, The gripper (2) has an X-shaped structure, including two connecting arms (21) and two mud insertion plates (22). The connecting arms (21) are telescopic. One end of each connecting arm (21) is connected to a spiral sleeve (32), and the other end is connected to the shaft of the first gear (23). One end of each mud insertion plate is connected to the shaft of the second gear (24), and the other end is a free end. The first gear (23) and the second gear (24) are coaxially meshed. When the first gear (23) rotates, it will drive the second gear (24) to rotate in the opposite direction. The two spiral sleeves (32) have opposite thread directions. When the rotating spiral rod (31) drives the two spiral sleeves (32) to approach each other, the two pit mud insertion plates (22) open; when the two spiral sleeves (32) drive each other away, the two pit mud insertion plates (22) converge.

6. The device for grabbing the surface mud of a liquor cellar as described in claim 5, characterized in that, Holes are made in the crossbeam (11) of the material picker, and the two ends of the shaft of the first gear (23) and the two ends of the shaft of the second gear (24) are connected to the holes in the crossbeam (11) of the material picker.

7. The device for grabbing the surface mud of a liquor cellar as described in claim 6, characterized in that, There are at least two grippers (2), which are set on the crossbeam (11) of the material handling frame.

8. The device for grabbing the surface mud of a liquor cellar as described in claim 5, characterized in that, The pit mud insertion plate (22) is provided with thorns.

9. The device for grabbing the surface mud of a liquor cellar as described in claim 7, characterized in that, The maximum opening angle of the two mud insertion plates (22) is 45°-55°, and the distance between the rotating shafts of the two adjacent grippers (2) is 40cm-50cm.

10. The device for grabbing the surface mud of a liquor cellar as described in claim 1, characterized in that, It also includes a lifting structure, including a crane and a hook. The hook is installed on the crane and hung on the material picker (1). The moving crane transfers the pit mud gripped by the grabber (2).

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