Feeding cylinder of extraction tank

Abstract

The utility model discloses a feeding cylinder of an extraction tank, which comprises a fixed cylinder, a telescopic cylinder is sleeved on the outer side wall of the fixed cylinder, and a telescopic mechanism, an auxiliary guide component and a sealing component are assembled between the fixed cylinder and the telescopic cylinder. By increasing the gap distance between the telescopic cylinder and the fixed cylinder, dust is prevented from entering the gap to be massively retained and accumulated into blocks, the blockage between the telescopic cylinder and the fixed cylinder is reduced, and meanwhile after the gap distance between the telescopic cylinder and the fixed cylinder is increased, the auxiliary guide assembly is additionally arranged, so that the dust removal effect is improved. The moving stroke of the telescopic cylinder can be limited and guided in the position moving process of the telescopic cylinder through the arranged auxiliary guide assembly, the accuracy of the position between the telescopic cylinder and the fixed cylinder in the telescopic process of the telescopic cylinder is improved, the sealing assembly is arranged between the telescopic cylinder and the fixed cylinder, and the gap between the telescopic cylinder and the fixed cylinder is sealed through the sealing assembly; and dust is prevented from diffusing to the external environment from the gap in the feeding process.

Description

Technical Field

[0001] The utility model relates to the technical field of feeding cylinders, in particular to a feeding cylinder of an extraction tank. Background Art

[0002] The extraction tank is a commonly used leaching and extraction equipment in pharmaceutical and chemical industry, suitable for the leaching and extraction of components contained in plant products. The extraction tank will be equipped with a feeding tube for feeding into the tank during use. The feeding tube is composed of two sections of stainless steel tubes with different diameters. In order to prevent dust from entering the overlapping part of the two sections of the tubes and spreading to the outside during the feeding process, the diameters of the two sections of the tubes in most feeding tubes are as close as possible, and sealing strips are set at the overlapping parts of the tubes to seal the gaps;

[0003] Generally, the gap between the two sections of the feeding barrel is about 2mm, which is sealed by a PTFE sealing strip. However, dust will enter even the smallest gap, and as the feeding barrel is extended and retracted for a long time, the sealing strip will wear out, causing the gap to become larger and larger, and eventually lose its sealing function. Because the gap between the barrels is small, dust enters the overlapping part of the barrels and accumulates. After the expansion and contraction, the dust agglomerates and hardens, causing the feeding barrel to get stuck and unable to rise and fall normally. In severe cases, it may cause the feeding barrel to deform and be unable to rise and fall, and other serious consequences. To this end, we propose a feeding barrel for an extraction tank. Utility Model Content

[0004] The purpose of the utility model is to provide a feeding cylinder of an extraction tank to solve the problems raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a feeding cylinder of an extraction tank, comprising a fixed cylinder, the outer side wall of the fixed cylinder is sleeved with a telescopic cylinder, and a telescopic mechanism, an auxiliary guide assembly and a sealing assembly are assembled between the fixed cylinder and the telescopic cylinder;

[0006] The sealing assembly includes a slot, which is provided on the top inner wall of the telescopic cylinder, in which an airbag is clamped, and an air pump is fixedly mounted on the outer wall of the fixed cylinder, and a connecting hose is fixedly connected between the output end of the air pump and the input end of the airbag.

[0007] Preferably, the gap distance between the outer side wall of the fixed tube and the inner side wall of the telescopic tube is 50 mm.

[0008] Preferably, the telescopic mechanism includes a first mounting frame, which is fixedly mounted on the outer wall of the fixed cylinder in a symmetrical manner on the left and right, and the outer wall of the telescopic cylinder is fixedly mounted with a second mounting frame which is symmetrically distributed on the left and right. The bottom of the first mounting frame is fixedly mounted with a hydraulic telescopic cylinder, and the output end of the hydraulic telescopic cylinder is fixedly connected to the second mounting frame.

[0009] Preferably, the auxiliary guide assembly includes a first guide wheel and a second guide wheel, the first guide wheel is fixedly assembled on the inner wall of the telescopic cylinder through a guide wheel mounting frame, and the second guide wheel is fixedly assembled on the outer wall of the fixed cylinder through a guide wheel mounting frame, and the first guide wheel and the second guide wheel are evenly distributed in a circle around the center of the telescopic cylinder and the fixed cylinder respectively.

[0010] Preferably, the curvature of the side wall of the first guide wheel matches the curvature of the outer wall of the fixed cylinder, and the curvature of the side wall of the second guide wheel matches the curvature of the inner wall of the telescopic cylinder.

[0011] Compared with the prior art, the beneficial effects of the utility model are: a feeding barrel of an extraction tank, which expands the gap distance between the telescopic barrel and the fixed barrel to 50 mm, and avoids dust from entering the gap and being accumulated in large quantities into blocks by increasing the gap distance between the telescopic barrel and the fixed barrel, thereby reducing the jamming between the telescopic barrel and the fixed barrel, and at the same time, after expanding the distance between the telescopic barrel and the fixed barrel, an auxiliary guide component is added, and the auxiliary guide component can be used to limit and guide the movement of the telescopic barrel during the movement of the position, thereby improving the accuracy of the position between the telescopic barrel and the fixed barrel during the telescopic process, and a sealing component is provided between the telescopic barrel and the fixed barrel, and the gap between them is sealed by the sealing component, thereby avoiding dust from spreading from the gap to the external environment during the feeding process. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a three-dimensional diagram of the utility model.

[0013] Figure 2 It is a structural schematic diagram of the utility model.

[0014] Figure 3 for Figure 2 Detail of point a in the figure.

[0015] Figure 4 It is a structural schematic diagram of the first guide wheel of the utility model.

[0016] Figure 5 It is a structural schematic diagram of the second guide wheel of the utility model.

[0017] In the figure: 1. fixed cylinder; 2. telescopic cylinder; 3. telescopic mechanism; 31. first mounting frame; 32. second mounting frame; 33. hydraulic telescopic cylinder; 4. auxiliary guide assembly; 41. first guide wheel; 42. second guide wheel; 5. sealing assembly; 51. slot; 52. airbag; 53. air pump; 54. connecting hose. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0019] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 The utility model provides a technical solution: a feeding cylinder of an extraction tank, comprising a fixed cylinder 1, the outer side wall of the fixed cylinder 1 is sleeved with a telescopic cylinder 2, the fixed cylinder 1 and the telescopic cylinder 2 cooperate with each other to form a feeding cylinder with adjustable feeding height position, which is used to feed materials to the feeding port of the traditional Chinese medicine extraction tank, the gap distance between the outer wall of the fixed cylinder 1 and the inner wall of the telescopic cylinder 2 is 50mm, the original gap distance of 2mm between the two cylinders is changed, and the gap between the outer wall of the fixed cylinder 1 and the inner wall of the telescopic cylinder 2 is increased, thereby avoiding the problem of dust entering the gap and being retained and accumulated into blocks in large quantities, and the relative position movement between the telescopic cylinder 2 and the fixed cylinder 1 being stuck.

[0020] A telescopic mechanism 3 is fixedly assembled between the fixed cylinder 1 and the telescopic cylinder 2, and the telescopic cylinder 2 is driven by the telescopic mechanism 3 to move along the fixed cylinder 1. At the same time, an auxiliary guide assembly 4 is assembled between the fixed cylinder 1 and the telescopic cylinder 2. Since the gap between the outer wall of the fixed cylinder 1 and the inner wall of the telescopic cylinder 2 is increased, the auxiliary guide assembly 4 is arranged between the fixed cylinder 1 and the telescopic cylinder 2 to increase the stability of the telescopic cylinder 2 during the movement of the telescopic cylinder 2 along the fixed cylinder 1.

[0021] like Figure 1 and Figure 2 As shown in the figure, the telescopic mechanism 3 includes a first mounting frame 31, which is welded and fixed to the side wall of the fixed cylinder 1 in a symmetrical manner on the left and right. The outer side wall of the telescopic cylinder 2 is welded and fixed with a second mounting frame 32 which is symmetrically distributed on the left and right. A hydraulic telescopic cylinder 33 is fixedly assembled at the bottom of the first mounting frame 31. The output end of the hydraulic telescopic cylinder 33 is fixedly connected to the second mounting frame 32 by a fixing bolt. The hydraulic telescopic cylinder 33 is connected to an external hydraulic oil supply pipeline. The action of the output end of the hydraulic telescopic cylinder 33 is controlled by supplying hydraulic oil into the hydraulic telescopic cylinder 33. The output end of the hydraulic telescopic cylinder 33 drives the telescopic cylinder 2 to move relative to the fixed cylinder 1, and the discharge height of the telescopic cylinder 2 is adjusted.

[0022] like Figure 2 , Figure 4 and Figure 5 As shown in , the auxiliary guide assembly 4 includes a first guide wheel 41 and a second guide wheel 42. The number of the first guide wheels 41 and the second guide wheels 42 is four groups respectively. The four groups of first guide wheels 41 and second guide wheels 42 are evenly distributed in a circle at the center of the fixed cylinder 1 and the telescopic cylinder 2. The first guide wheel 41 is fixedly assembled on the inner wall of the telescopic cylinder 2 through a guide wheel assembly frame, and the second guide wheel 42 is fixedly assembled on the outer wall of the fixed cylinder 1 through a guide wheel mounting frame. The first guide wheel 41 is located above the second guide wheel 42, as shown in FIG. Figure 4As shown in the figure, the curvature of the side wall of the first guide wheel 41 is adapted to the curvature of the outer wall of the fixed cylinder 1, and the curvature of the side wall of the second guide wheel 42 is adapted to the curvature of the inner wall of the telescopic cylinder 2. By setting the first guide wheel 41 and the second guide wheel 42 with matching curvatures, the contact area between the first guide wheel 41 and the outer wall of the fixed cylinder 1 and the second guide wheel 42 and the inner wall of the telescopic cylinder 2 can be effectively increased, thereby increasing the stability of the connection between the fixed cylinder 1 and the telescopic cylinder 2 to which the first guide wheel 41 and the second guide wheel 42 are respectively fitted.

[0023] like Figure 1 , Figure 2 and Figure 3 As shown in the figure, a sealing assembly 5 is installed between the fixed cylinder 1 and the telescopic cylinder 2. The sealing assembly 5 is provided to seal the gap between the telescopic cylinder 2 and the fixed cylinder 1 after the telescopic cylinder 2 moves to a specified telescopic position, thereby preventing dust from spreading from the gap between the telescopic cylinder 2 and the fixed cylinder 1 to the surrounding environment during the process of feeding through the telescopic cylinder 2, thereby preventing the surrounding environment from being polluted.

[0024] The sealing assembly 5 includes a card slot 51, which is annularly opened on the top inner wall of the telescopic cylinder 2. An airbag 52 is carded in the card slot 51. An air pump 53 is fixedly assembled on the side wall of the fixed cylinder 1. The air pump 53 is electrically connected to an external power supply and an external controller. The output end of the air pump 53 is fixedly connected to one end of a connecting hose 54, and the other end of the connecting hose 54 is fixedly connected to the input end of the airbag 52. When the telescopic cylinder 2 moves to the specified telescopic position, air is introduced into the airbag 52 through the air pump 53, so that the airbag 52 is inflated to seal the gap between the telescopic cylinder 2 and the fixed cylinder 1.

[0025] Working principle: When the device is in use, the telescopic cylinder 2 is driven to move along the fixed cylinder 1 through the telescopic mechanism 3, and the relative position between the telescopic cylinder 2 and the fixed cylinder 1 is adjusted. During the movement of the telescopic cylinder 2 and the fixed cylinder 1, the first guide wheel 41 and the second guide wheel 42 in the auxiliary guide assembly 4 cooperate with each other to improve the stability and accuracy of the stroke position between the telescopic cylinder 2 and the fixed cylinder 1 during the movement. When the telescopic cylinder 2 moves to the specified position, gas is filled into the airbag 52 through the air pump 53, so that the airbag 52 seals the gap between the telescopic cylinder 2 and the fixed cylinder 1.

Claims

1. A feeding cylinder of an extraction tank, comprising a fixed cylinder (1), the outer side wall of the fixed cylinder (1) being sleeved with a telescopic cylinder (2), characterized in that: A telescopic mechanism (3), an auxiliary guide assembly (4) and a sealing assembly (5) are installed between the fixed cylinder (1) and the telescopic cylinder (2); The sealing assembly (5) comprises a card slot (51), the card slot (51) being provided on the inner side wall of the top of the telescopic cylinder (2), an air bag (52) being carded in the card slot (51), an air pump (53) being fixedly mounted on the outer side wall of the fixed cylinder (1), and a connecting hose (54) being fixedly connected between the output end of the air pump (53) and the input end of the air bag (52).

2. The feeding cylinder of the extraction tank according to claim 1, characterized in that: The gap distance between the outer wall of the fixed cylinder (1) and the inner wall of the telescopic cylinder (2) is 50 mm.

3. The feeding cylinder of the extraction tank according to claim 1, characterized in that: The telescopic mechanism (3) comprises a first mounting frame (31), the first mounting frame (31) being fixedly mounted on the outer side wall of the fixed cylinder (1) in a symmetrical manner on the left and right, the outer side wall of the telescopic cylinder (2) being fixedly mounted with a second mounting frame (32) being symmetrically distributed on the left and right, the bottom of the first mounting frame (31) being fixedly mounted with a hydraulic telescopic cylinder (33), the output end of the hydraulic telescopic cylinder (33) being fixedly connected to the second mounting frame (32).

4. The feeding cylinder of the extraction tank according to claim 1, characterized in that: The auxiliary guide assembly (4) comprises a first guide wheel (41) and a second guide wheel (42); the first guide wheel (41) is fixedly mounted on the inner wall of the telescopic cylinder (2) via a guide wheel mounting frame, and the second guide wheel (42) is fixedly mounted on the outer wall of the fixed cylinder (1) via a guide wheel mounting frame; the first guide wheel (41) and the second guide wheel (42) are evenly distributed in a circle at the center of the telescopic cylinder (2) and the fixed cylinder (1), respectively.

5. The feeding cylinder of the extraction tank according to claim 4, characterized in that: The curvature of the side wall of the first guide wheel (41) matches the curvature of the outer wall of the fixed cylinder (1), and the curvature of the side wall of the second guide wheel (42) matches the curvature of the inner wall of the telescopic cylinder (2).

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