Safety interlocking device for deslagging door of extraction tank

Abstract

The utility model relates to the field of food and medicine chemical drying, in particular to a safety interlocking device for a slag outlet door of an extraction tank, which comprises the extraction tank and the slag outlet door hinged at the bottom of the extraction tank, an upper flange is arranged at the bottom of the extraction tank, a lower flange is arranged at the top of the slag outlet door, and locking rotating rings are rotatably arranged on the peripheries of the upper flange and the lower flange. The outer wall of the extraction tank is provided with a driving assembly used for driving the deslagging door to open and close, the locking swivel is provided with a plurality of locking chutes along the circumferential direction, and a locking ball and an interlocking pin used for limiting the position of the locking ball are inserted in each locking chute. According to the utility model, the deslagging door can be prevented from loosening and sliding during sealing, the sealing reliability is ensured, and the extraction tank can operate safely and effectively.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of food and medicine chemical drying, specifically relates to a kind of extraction tank slag door safety interlocking device. BACKGROUND

[0002] Extraction tank is widely used in pharmaceutical and chemical industry, and a large amount of extract is loaded in the tank body when the extraction tank works, and the tank body often generates large internal pressure due to the need for heating, so the locking device of the extraction tank slag door has high requirements.

[0003] The conventional interlocking of the extraction tank slag door currently uses a vertical cylinder pin shaft, which has the problem of inaccurate limiting, resulting in obvious loosening of the extraction tank slag door rotating ring system, incomplete sealing, easy liquid leakage, and even safety accidents.

[0004] Therefore, the present inventors provide an extraction tank slag door safety interlocking device to solve the above technical problems. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the shortcomings of the prior art, and provides an extraction tank slag door safety interlocking device, which prevents the locking ball from rotating by setting a limiting interlocking pin in the locking inclined groove of the locking rotating ring, ensuring no loosening during sealing of the slag door.

[0006] The utility model aims to solve the problem by the following technical scheme:

[0007] The utility model provides an extraction tank slag door safety interlocking device, which comprises an extraction tank and a slag door hinged to the bottom of the extraction tank, an upper flange is arranged on the bottom of the extraction tank, a lower flange is arranged on the top of the slag door, a locking rotating ring is rotatably arranged on the outer periphery of the upper flange and the lower flange, a driving assembly for opening and closing the slag door is arranged on the outer wall of the extraction tank, a plurality of locking inclined grooves are formed in the locking rotating ring in the circumferential direction, and a locking ball and an interlocking pin for limiting the position of the locking ball are arranged in each locking inclined groove.

[0008] Further, the interlocking pin comprises a first air cylinder, a fixed seat and a push rod pin shaft, the fixed seat is connected to the locking rotating ring and close to the locking ball, the push rod pin shaft is connected to the piston rod of the first air cylinder and extends into the locking inclined groove through the fixed seat, and the push rod pin shaft is located obliquely below the locking ball and abuts against the slag door, for limiting the position of the locking ball to prevent it from rolling off the opening of the locking inclined groove.

[0009] Further, the fixed seat comprises a rectangular block, connection plates are symmetrically connected to the edges of the rectangular block in the length direction or the width direction, and each connection plate is connected to the locking rotating ring by a fixing member.

[0010] Further, a through slot is arranged at the center position of the rectangular block, and the through slot is opposite to the locking inclined slot, so that the push rod pin shaft is inserted into the locking inclined slot through the through slot.

[0011] Further, the through slot is composed of a coaxially arranged first part and a second part, the structure of the first part is matched with the structure of the push rod pin shaft, the structure of the second part is matched with the structure of the first cylinder, the push rod pin shaft connected with the first cylinder is inserted through the first part and the second part, and the first cylinder is installed in the second part.

[0012] Further, an inner thread structure matched with the outer thread structure of the piston rod is arranged at any end of the push rod pin shaft, and the push rod pin shaft is connected with the piston rod through the interaction of the outer thread and the inner thread.

[0013] Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

[0014] The safety interlocking device for the slag door of the extraction tank is provided with the interlocking pin with the limiting function in the locking inclined slot of the locking rotary ring, the interlocking pin is the horizontal cylinder interlocking pin, the problem that the locking rotary ring of the slag door is prone to loosening when the vertical cylinder pin shaft is used in the existing slag door of the extraction tank is solved, the safety interlocking device can guarantee that there is no loosening and sliding phenomenon when the slag door is sealed, the reliability of the sealing is ensured, and the safe and effective operation of the extraction tank is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0015] The drawings are incorporated into the description and form part of the description, and are used together with the description to explain the principles of the utility model.

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiment or the prior art description will be briefly introduced below, and obviously, other drawings can be obtained by the drawings without the creative labor of the person skilled in the art.

[0017] Fig. 1 It is the installation structure schematic view of the safety interlocking device for the sealing of the slag door of the extraction tank of the utility model;

[0018] Fig. 2 It is the installation structure schematic view of the safety interlocking device when the slag door of the extraction tank is opened of the utility model;

[0019] Fig. 3 It is the interlocking pin structure schematic view of the safety interlocking device of the utility model.

[0020] Wherein: 1 is the extraction tank; 2 is the deslagging door; 3 is the locking collar; 4 is the driving assembly; 5 is the locking ball; 6 is the interlocking pin; 7 is the second cylinder; 11 is the upper flange; 21 is the lower flange; 31 is the locking inclined groove; 61 is the first cylinder; 62 is the fixed seat; 63 is the push rod pin; 621 is the rectangular block; 622 is the connecting plate. DETAILED DESCRIPTION

[0021] The exemplary embodiments will be described in detail herein with reference to the accompanying drawings. In the following description, unless otherwise indicated, like numbers in the different drawings represent the same or similar elements. The following exemplary embodiments described in the detailed description are not meant to be an all-inclusive description of all aspects of the application. Rather, they are merely examples that can be practiced with the application as detailed in the claims.

[0022] In order for those skilled in the art to better understand the technical scheme of the present application, the present application will be further described in detail below with reference to the accompanying drawings and examples.

[0023] Referring to Figs. 1-3 The embodiment of the present application provides a deslagging door safety interlocking device of an extraction tank, comprising an extraction tank 1 and a deslagging door 2 hinged at the bottom of the extraction tank 1, wherein the bottom of the extraction tank 1 is provided with an upper flange 11, the top of the deslagging door 2 is provided with a lower flange 21, the outer periphery of the upper flange 11 and the lower flange 21 is rotatably provided with a locking collar 3, the outer wall of the extraction tank 1 is provided with a driving assembly 4 for driving the deslagging door 2 to open and close, a plurality of locking inclined grooves 31 are formed in the circumferential direction of the locking collar 3, and a locking ball 5 and an interlocking pin 6 for limiting the position of the locking ball 5 are inserted into each locking inclined groove 31.

[0024] In the embodiment, the outer periphery of the locking collar 3 and the extraction tank 1 is provided with a matching connecting seat, and the second cylinder 7 is hinged between the two connecting seats to realize rotational connection. Specifically, the cylinder body of the second cylinder 7 is installed on one connecting seat through a designed fixed frame, the fixed frame is hinged with the connecting seat, and the piston rod of the second cylinder 7 is hinged on the other connecting seat.

[0025] Specifically, the driving assembly 4 is a prior art, which has been disclosed in the patent with the publication number "CN218023343U" and the name "sealing and locking device of deslagging door of extraction tank", which will not be described here.

[0026] As Fig. 3As shown, the interlocking pin 6 comprises a first cylinder 61, a fixed seat 62 connected to the locking swivel 3 near the locking ball 5, and a push rod pin shaft 63 connected with the piston rod of the first cylinder 61 and extending into the locking chute 31 through the fixed seat 62. The push rod pin shaft 63 is located obliquely below the locking ball 5 and abuts against the slag door 2, and is used for limiting the position of the locking ball 5 to prevent it from rolling off the opening of the locking chute 31. Specifically, the fixed seat 62 has a buffering and connecting effect.

[0027] In this embodiment, the first cylinder 61 is in a horizontal position, and the fixed motion track of the locking chute 31 is combined with the insertion type limiting of the push rod pin shaft 63 to fully ensure a high limiting angle and precision, so that the slag door is not loose or sliding when sealed, and the reliability of the sealing is ensured.

[0028] Further, the fixed seat 62 comprises a rectangular block 621, and a connecting plate 622 is symmetrically connected to the edge of the rectangular block 621 in the length direction. Each connecting plate 622 is connected to the locking swivel 3 by a bolt.

[0029] Further, a through groove is formed at the center position of the rectangular block 621, and the through groove is opposite to the locking chute 31, so that the push rod pin shaft 63 extends into the locking chute 31 through the through groove.

[0030] Further, the through groove is composed of a first part and a second part arranged coaxially. The structure of the first part is matched with the structure of the push rod pin shaft 63, and the structure of the second part is matched with the structure of the first cylinder 61. The push rod pin shaft 63 connected with the first cylinder 61 extends through the first part and the second part, and the first cylinder 61 is installed in the second part. Specifically, a designed frame is installed on the cylinder body of the first cylinder 61, and the frame and the rectangular block 621 are fixed together by a screw passing through the rectangular block 621.

[0031] Further, an inner thread structure matched with the outer thread structure of the piston rod is formed at the left end of the push rod pin shaft 63. The push rod pin shaft 63 is connected with the piston rod through the interaction of the outer thread and the inner thread, and the right end is inserted into the locking chute 31.

[0032] In use, when the slag door 2 is in a closed and sealed state, the locking ball 5 is located at a position obliquely above the locking chute 31, and the push rod pin shaft 63 extends horizontally into the locking chute 31 and is located obliquely below the locking ball 5 to limit the locking ball 5 and prevent the slag door 2 from loosening. When the slag door 2 needs to be opened, the push rod pin shaft 63 is retracted, and subsequent opening operation can be performed. The interlocking device has the advantages of easy material selection, reliable sealing, simple operation, continuous operation, and the like.

[0033] The foregoing merely illustrates the principles of the application and various modifications can be devised by those skilled in the art without departing from the spirit or scope of the application. The appended claims are intended to embrace any and all changes and modifications within the scope of the present application.

[0034] It is to be understood that the application is not limited to the details described herein and that various modifications can be made without departing from the scope of the application. The application is intended to cover any and all modifications within the scope of the following claims.

Claims

1. A safety interlocking device for a tapping hole of an extraction tank, comprising an extraction tank (1) and a tapping hole (2) hinged to the bottom of the extraction tank (1), the bottom of the extraction tank (1) is provided with an upper flange (11), the top of the tapping hole (2) is provided with a lower flange (21), the outer periphery of the upper flange (11) and the lower flange (21) is rotatably provided with a locking swivel (3), the outer wall of the extraction tank (1) is provided with a driving assembly (4) for driving the opening and closing of the tapping hole (2), characterized in that, A plurality of locking inclined grooves (31) are formed on the locking swivel (3) in the circumferential direction, and a locking ball (5) and a chain lock pin (6) for limiting the position of the locking ball (5) are arranged in each locking inclined groove (31).

2. The extraction ladle diphragm safety interlock of claim 1 wherein, The chain lock pin (6) comprises a first air cylinder (61), a fixed seat (62) and a push rod pin shaft (63). The fixed seat (62) is connected to the locking swivel (3) and is close to the locking ball (5). The push rod pin shaft (63) is connected with the piston rod of the first air cylinder (61) and extends into the locking inclined groove (31) through the fixed seat (62). The push rod pin shaft (63) is located obliquely below the locking ball (5) and abuts against the slag door (2), so as to limit the position of the locking ball (5) and prevent it from rolling off from the opening of the locking inclined groove (31).

3. The extraction ladle diphragm safety interlock of claim 2 wherein, The fixed seat (62) comprises a rectangular block (621), and a connecting plate (622) is symmetrically connected to the edge of the rectangular block (621) in the length direction or the width direction. Each connecting plate (622) is connected to the locking swivel (3) by a fixing member.

4. The extraction ladle diphragm safety interlock of claim 3, wherein, A through groove is formed at the center position of the rectangular block (621), and the through groove is opposite to the locking inclined groove (31), so that the push rod pin shaft (63) extends into the locking inclined groove (31) through the through groove.

5. The extraction ladle diphragm safety interlock of claim 4 wherein, The through groove comprises a coaxially arranged first part and a second part. The structure of the first part is matched with the structure of the push rod pin shaft (63). The structure of the second part is matched with the structure of the first air cylinder (61). The push rod pin shaft (63) connected with the first air cylinder (61) extends through the first part and the second part, and the first air cylinder (61) is installed in the second part.

6. The extraction ladle diphragm safety interlock of claim 2 wherein, An inner thread structure matched with the outer thread structure of the piston rod is formed at either end of the push rod pin shaft (63). The push rod pin shaft (63) is connected with the piston rod through the interaction of the outer thread and the inner thread.

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