CN110818517A - Automatic negative pressure device for explosive pouring - Google Patents
Automatic negative pressure device for explosive pouring Download PDFInfo
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- CN110818517A CN110818517A CN201911248691.6A CN201911248691A CN110818517A CN 110818517 A CN110818517 A CN 110818517A CN 201911248691 A CN201911248691 A CN 201911248691A CN 110818517 A CN110818517 A CN 110818517A
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- Prior art keywords
- automatic
- hydraulic cylinder
- door
- opening
- lifting
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0033—Shaping the mixture
- C06B21/0058—Shaping the mixture by casting a curable composition, e.g. of the plastisol type
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention provides an automatic negative pressure device for gunpowder and explosive pouring, which comprises a tank body, an automatic door opening mechanism, an automatic lifting weighing mechanism and a residual material collecting tray. The door body is connected with the guide rod through the sliding sleeve, and the horizontal reciprocating automatic opening and closing of the door body are realized under the telescopic action of the opening and closing hydraulic cylinder; the mould is placed in the positioning sleeve, and automatic lifting and weighing of the mould are realized under the real-time metering action of the lifting hydraulic cylinder and the electronic scale; the residual material collecting tray is connected with the tank body through an end bearing, and the residual material is collected through the linkage of the lifting mechanism; between guide post and the backup pad is arranged respectively in to dirt proof boot and dust guard, prevents that dust and material from instiling into the slip position, improves the security of pouring operation process. The invention can realize the automatic opening, closing and locking of the door of the negative pressure device, and the automatic lifting and weighing of the mould, thereby improving the mixing safety and efficiency.
Description
Technical Field
The invention belongs to the technical field of casting molding of explosives and powders, and particularly relates to an automatic negative pressure device for casting explosives and powders.
Background
In the casting molding procedure of the explosive solid-liquid mixed material, the whole process needs to be carried out in equipment with an automatic weighing function under a vacuum condition so as to ensure the casting molding quality. Because the explosive materials have extremely high danger and have higher requirements on the automation of the casting molding process, the automation of the casting molding process seriously influences the operation safety and efficiency.
At present, the condition that operators operate equipment on site exists in the casting molding of explosive materials, the automation is not available, the operation efficiency is low, the danger is high, and potential safety hazards exist in the operators. The existing casting molding equipment is searched and the operation process of the existing casting molding equipment is analyzed, so that the following problems exist: (1) in the traditional material casting molding equipment, a door of a vacuum tank body needs to be opened and closed manually, and a bolt needs to be rotated manually to compress the door body, so that sealing is realized, and the operation efficiency and safety are poor; (2) the existing casting molding equipment has no automatic lifting weighing mechanism, and is applicable to a single casting mold and low in quality precision; (3) the traditional casting molding equipment has no protection at the sliding part and no residual material recovery measure, and the safety of the equipment is lower.
Disclosure of Invention
Technical problem to be solved
The invention provides an automatic negative pressure device for pouring explosives and powders, which aims to solve the technical problem of how to improve the safety and efficiency of material pouring molding.
(II) technical scheme
In order to solve the technical problem, the invention provides an automatic negative pressure device for explosive pouring, which comprises a tank body, an automatic door opening mechanism and an automatic lifting weighing mechanism; wherein the content of the first and second substances,
the tank body comprises a bottom plate, a door frame, a butt joint port and a vacuum port; wherein, the bottom plate is fixed on the foundation, and the butt joint port at the top of the tank body is in butt joint with the pouring port at the upper end; the vacuum port is positioned on the tank wall and is used for being connected with an external vacuum device;
the automatic door opening mechanism comprises an opening and closing hydraulic cylinder, a door body, a spring, a first guide post, a first guide rod, a locking hydraulic cylinder, an annular sealing ring and a locking support; the movable part of the opening and closing hydraulic cylinder is connected with the door body, and the fixed part of the opening and closing hydraulic cylinder is connected with the door frame on the tank body; the first guide post is connected with the door body, the spring is sleeved on the first guide post, and the door body is connected with the first guide rod through the first guide post and the guide sleeve; the end part of the locking hydraulic cylinder is fixed on the door frame by a bolt, the locking bracket is fixed on the door body 6, and the bayonet thereof is matched with the clamp of the locking hydraulic cylinder when the door body is closed; the annular sealing ring is fixed in a groove of the upper door frame of the tank body;
the automatic lifting weighing mechanism comprises a guide sleeve, a second guide column, a second guide rod positioning sleeve, a first supporting plate, an electronic scale, a second supporting plate and a lifting hydraulic cylinder; the second guide post is fixed on the bottom plate, the second support plate is connected with the second guide post through a guide sleeve, the first support plate is connected with the second support plate through a second guide rod, and the electronic scale is fixed on the upper surface of the second support plate; the locating sleeve is fixed on the upper surface of the first supporting plate and used for placing the die.
Furthermore, an annular sealing ring is arranged on the end surface of the butt joint at the top of the tank body.
Furthermore, the automatic lifting weighing mechanism also comprises a dustproof sleeve and a dustproof plate; wherein, the dust cover is overlapped at the first section of second guide post, and the dust guard is arranged between first backup pad and second backup pad.
Furthermore, the device also comprises a residue collecting tray; the incomplete material catch tray passes through the tip bearing and is connected with the top inboard of the jar body, and the incomplete material catch tray links to each other through the first backup pad with in the automatic rising weighing machine structure, links with first backup pad, realizes the rotation of catch tray.
(III) advantageous effects
The invention provides an automatic negative pressure device for gunpowder and explosive pouring, which comprises a tank body, an automatic door opening mechanism, an automatic lifting weighing mechanism and a residual material collecting tray. The door body is connected with the guide rod through the sliding sleeve, and the horizontal reciprocating automatic opening and closing of the door body are realized under the telescopic action of the opening and closing hydraulic cylinder; the mould is placed in the positioning sleeve, and automatic lifting and weighing of the mould are realized under the real-time metering action of the lifting hydraulic cylinder and the electronic scale; the residual material collecting tray is connected with the tank body through an end bearing, and the residual material is collected through the linkage of the lifting mechanism; between guide post and the backup pad is arranged respectively in to dirt proof boot and dust guard, prevents that dust and material from instiling into the slip position, improves the security of pouring operation process. The invention can realize the automatic opening, closing and locking of the door of the negative pressure device, and the automatic lifting and weighing of the mould, thereby improving the mixing safety and efficiency.
Drawings
FIG. 1 is a schematic view of an external structure of an automatic negative pressure device according to an embodiment of the present invention;
FIG. 2 is a schematic view of the internal structure of the automatic negative pressure device according to the embodiment of the present invention;
FIG. 3 is a schematic view of a tank structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of an automatic door opening mechanism in an embodiment of the present invention;
FIG. 5 is a schematic view of an automatic lifting weighing mechanism in an embodiment of the present invention.
In the figure: 1-an automatic door opening mechanism, 2-a tank body, 3-an automatic lifting weighing mechanism, 4-a residual material collecting disc, 5-an opening and closing hydraulic cylinder, 6-a door body, 7-a spring, 8-a guide post I, 9-a guide rod I, 10-a locking hydraulic cylinder, 11-an annular sealing ring, 12-a locking bracket, 13-a guide sleeve, 14-a guide post III, 15-a guide rod III, 16-a dust-proof sleeve, 17-a positioning sleeve, 18-a support plate III, 19-a dust-proof plate, 20-an electronic scale, 21-a support plate III, 22-a lifting hydraulic cylinder, 23-a bottom plate, 24-a door frame, 25-a butt joint and 26-a vacuum joint.
Detailed Description
In order to make the objects, contents and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
The embodiment provides an automatic negative pressure device for pouring explosives and powders, which has a structure shown in fig. 1 and 2 and mainly comprises an automatic door opening mechanism 1, a tank body 2, an automatic lifting weighing mechanism 3 and a residual material collecting tray 4.
As shown in fig. 3, the can 2 includes a bottom plate 23, a door frame 24, a docking port 25, and a vacuum port 26. The bottom plate 23 is fixed on a foundation through bolts, the butt joint port 25 at the top of the tank body is in butt joint with the pouring port at the upper end, the annular sealing ring is installed on the end face to realize reliable sealing of the butt joint part, and the vacuum port 26 is connected with an external vacuum pump through a pipeline to realize the maintenance of the vacuum degree of 3KPa in the tank body 2 and provide vacuum conditions for pouring explosive materials.
As shown in fig. 4, the automatic door opening mechanism 1 includes an opening and closing hydraulic cylinder 5, a door body 6, a spring 7, a first guide post 8, a first guide rod 9, a locking hydraulic cylinder 10, an annular seal ring 11, and a locking bracket 12. The moving part of the opening and closing hydraulic cylinder 5 is connected with the door body 6 of the tank body, and the fixed part is connected with the door frame. The door body 6 is connected with the tank body 2 through a spring 7, a first guide post 8 and a first guide rod 9, wherein the first guide post 8 is connected with the door body 6, the spring 7 is sleeved on the first guide post 8, and the door body 6 is connected with the first guide rod 9 through the first guide post 8 and a guide sleeve. The ends of the locking cylinders 10 are bolted to the door frame. The locking support 12 is fixed on the door body 6, a bayonet of the locking support is matched with a hoop of the locking hydraulic cylinder 10 when the door body is closed, the annular sealing ring 11 is fixed in a groove of the upper door frame 24 of the tank body 2, and reliable sealing is realized under the extrusion of the door body 6. The automatic door opening mechanism 1 is connected with the door frame of the tank body 2 through the first guide rod 9, and the horizontal reciprocating automatic opening and closing of the door body 6 are realized under the telescopic action of the opening and closing hydraulic cylinder 5, and the horizontal moving distance is 500 mm.
During the use, the mould is placed in jar body 2 through the manipulator, pneumatic cylinder 5 stretches out, the 6 horizontal migration of the door body 500mm, locking support 12 bayonet socket is arranged in inside the clamp of locking pneumatic cylinder 10, locking pneumatic cylinder 10 shrink, door body 6 compresses tightly ring seal 11, realize sealedly, through vacuum port 26 with jar body 2 inside pressure drop for 3KPa, begin to pour into a mould fire explosive material, after finishing pouring, jar body 1 inside atmospheric pressure that resumes, locking pneumatic cylinder 10 stretches out, spring 7 extension pops out door body 6 for 1mm, realize door body 6 and door frame 24, ring seal 11's separation, pneumatic cylinder 5 shrink opens and shuts, door body 6 horizontal migration opens the door, realize the function of automatic door body 6 that opens and shuts, and the security and the operating efficiency are improved.
As shown in fig. 5, the automatic lifting and weighing mechanism 3 includes a guide sleeve 13, a second guide column 14, a second guide rod 15, a dust-proof sleeve 16, a positioning sleeve 17, a first support plate 18, a dust-proof plate 19, an electronic scale 20, a second support plate 21, and a lifting hydraulic cylinder 22. The second guide column 14 is fixed on a bottom plate 23 of the tank body 2 through a bolt, the second support plate 21 is connected with the second guide column 14 through a guide sleeve 13, the first support plate 18 is connected with the second support plate 21 through a second guide rod 15, the electronic scale 20 is fixed on the upper surface of the second support plate 21 through a bolt, and the positioning sleeve 17 is fixed on the upper surface of the first support plate 18 through a bolt. The dust-proof sleeve 16 is sleeved on the upper half section of the second guide column 14, and the dust-proof plate 19 is arranged between the first support plate 18 and the second support plate 21.
The automatic lifting weighing mechanism 3 is connected with the tank body 2 through the second guide column 14, and realizes automatic lifting and weighing of the die with the lifting height of 400mm under the real-time metering action of the lifting hydraulic cylinder 22 and the electronic scale 20. When the automatic lifting and weighing device is used, a mold is placed inside the positioning sleeve 17 by the manipulator, the lifting hydraulic cylinder 22 extends out by 400mm, the mold is lifted to a pouring position, after pouring is started, the electronic scale 20 accurately measures and pours explosive materials, after pouring is finished, the lifting hydraulic cylinder 22 contracts by 400mm, the manipulator transfers the mold, and automatic lifting and weighing in the pouring process are completed. In the pouring process, the dust-proof sleeve 16 and the dust-proof plate 19 can prevent dust and materials from dropping into a sliding part, and the safety of the pouring operation process is improved.
The incomplete material catch tray 4 is connected with the top inboard of jar body 2 through the tip bearing, and incomplete material catch tray 4 is connected through the first backup pad 18 with in the automatic rising weighing machine structure 3, through the linkage of first backup pad 18, realizes the rotation of catch tray, accomplishes the collection of incomplete material.
The specific working principle of the automatic negative pressure device for pouring explosives and powders in the embodiment is as follows:
the opening and closing hydraulic cylinder 5 is contracted, the door body 6 moves horizontally and opens automatically, the horizontal movement distance is 500mm, and the mold is placed inside the positioning sleeve 17 by the manipulator to complete positioning and fixing; the lifting hydraulic cylinder 22 extends out, the residual material collecting tray 4 swings, the lifting height is 400mm, the mold reaches the pouring position, the residual material collecting tray 4 leaves the mold opening, the opening and closing hydraulic cylinder 5 extends out, the door body 6 horizontally moves and is automatically closed, the locking hydraulic cylinder 10 contracts to tightly press the door body 6, and reliable sealing is realized; the vacuum pump finishes the vacuumizing of the tank body 2 through the vacuum port 26, the vacuum degree is 3KPa, a pouring valve at the upper end of the mold is opened, the pouring is started, when the electronic scale 20 meets the requirement on the metering quality, the pouring valve at the upper end of the mold is closed, the internal pressure of the tank body 2 is recovered to be the atmospheric pressure, the locking hydraulic cylinder 10 extends out, the opening and closing hydraulic cylinder 5 contracts, and the door body 6 moves horizontally and is opened automatically; the lifting hydraulic cylinder 22 is contracted, the residual material collecting tray 4 swings, the height is reduced by 400mm, the mold reaches the bottom, the residual material collecting tray 4 swings to the lower end of the pouring gate, and residual materials are collected; the manipulator removes the jar body 2 with the mould, accomplishes the casting moulding of single mould, and whole technological process is automatic operation, can improve the security and the efficiency of pouring process.
Taking a certain model of mould as an example, the invention adopts the automatic negative pressure device for pouring explosive to perform pouring molding, and the weight of the pouring material is 20 kg. When the operation is started, the manipulator places a mold of a certain model in the positioning sleeve 17 to complete positioning and fixing; the lifting hydraulic cylinder 22 extends out, the residual material collecting tray 4 swings, the lifting height is 400mm, the mold reaches the pouring position, the residual material collecting tray 4 leaves the mold opening, the opening and closing hydraulic cylinder 5 extends out, the door body 6 horizontally moves and is automatically closed, the locking hydraulic cylinder 10 contracts to tightly press the door body 6, and reliable sealing is realized; the vacuum pump finishes the vacuumizing of the tank body 2 through the vacuum port 26, the vacuum degree is 3KPa, a pouring valve at the upper end of the mold is opened, the pouring is started, when the electronic scale 20 reaches the measured mass of 20kg, the pouring valve at the upper end of the mold is closed, the internal pressure of the tank body 2 is recovered to be the atmospheric pressure, the locking hydraulic cylinder 10 extends out, the opening and closing hydraulic cylinder 5 contracts, and the door body 6 moves horizontally and is opened automatically; the lifting hydraulic cylinder 22 is contracted, the residual material collecting tray 4 swings, the height is reduced by 400mm, the mold reaches the bottom, the residual material collecting tray 4 swings to the lower end of the pouring gate, and residual materials are collected; the manipulator removes jar body 2 with the mould, accomplishes the casting moulding of single mould, and for traditional pouring need 40 minutes to accomplish, whole operation process only needs 25 minutes, can obviously improve casting moulding's automation, security and efficiency.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (4)
1. An automatic negative pressure device for gunpowder and explosive pouring is characterized by comprising a tank body, an automatic door opening mechanism and an automatic lifting weighing mechanism; wherein the content of the first and second substances,
the tank body comprises a bottom plate, a door frame, a butt joint port and a vacuum port; wherein, the bottom plate is fixed on the foundation, and the butt joint port at the top of the tank body is in butt joint with the pouring port at the upper end; the vacuum port is positioned on the tank wall and is used for being connected with an external vacuum device;
the automatic door opening mechanism comprises an opening and closing hydraulic cylinder, a door body, a spring, a first guide post, a first guide rod, a locking hydraulic cylinder, an annular sealing ring and a locking support; the movable part of the opening and closing hydraulic cylinder is connected with the door body, and the fixed part of the opening and closing hydraulic cylinder is connected with the door frame on the tank body; the first guide post is connected with the door body, the spring is sleeved on the first guide post, and the door body is connected with the first guide rod through the first guide post and the guide sleeve; the end part of the locking hydraulic cylinder is fixed on the door frame by a bolt, the locking bracket is fixed on the door body 6, and the bayonet thereof is matched with the clamp of the locking hydraulic cylinder when the door body is closed; the annular sealing ring is fixed in a groove of the upper door frame of the tank body;
the automatic lifting weighing mechanism comprises a guide sleeve, a second guide column, a second guide rod positioning sleeve, a first supporting plate, an electronic scale, a second supporting plate and a lifting hydraulic cylinder; the second guide post is fixed on the bottom plate, the second support plate is connected with the second guide post through a guide sleeve, the first support plate is connected with the second support plate through a second guide rod, and the electronic scale is fixed on the upper surface of the second support plate; the locating sleeve is fixed on the upper surface of the first supporting plate and used for placing the die.
2. The automatic negative pressure device of claim 1, wherein an annular sealing ring is mounted on the end surface of the butt joint at the top of the tank.
3. The automatic negative pressure device of claim 1, wherein the automatic lifting and weighing mechanism further comprises a dust cover and a dust guard; wherein, the dust cover is overlapped at the first section of second guide post, and the dust guard is arranged between first backup pad and second backup pad.
4. The automatic negative pressure device of claim 1, further comprising a scrap collecting tray; the incomplete material catch tray passes through the tip bearing and is connected with the top inboard of the jar body, and the incomplete material catch tray links to each other through the first backup pad with among the automatic rising weighing machine structure, links with first backup pad, realizes the rotation of catch tray.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248691.6A CN110818517A (en) | 2019-12-09 | 2019-12-09 | Automatic negative pressure device for explosive pouring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911248691.6A CN110818517A (en) | 2019-12-09 | 2019-12-09 | Automatic negative pressure device for explosive pouring |
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| CN110818517A true CN110818517A (en) | 2020-02-21 |
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| CN201911248691.6A Pending CN110818517A (en) | 2019-12-09 | 2019-12-09 | Automatic negative pressure device for explosive pouring |
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| CN208615030U (en) * | 2018-06-21 | 2019-03-19 | 长兴鼎峰铸材科技股份有限公司 | A kind of castable refractory charging device |
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|---|---|---|---|---|
| CN202643595U (en) * | 2012-06-02 | 2013-01-02 | 安徽恒源技研化工有限公司 | Power-free powdered emulsion explosive irregular specification charging machine |
| CN103407951A (en) * | 2013-07-01 | 2013-11-27 | 长春北方仪器设备有限公司 | Anti-leakage-pollution receiving device and method |
| CN203715531U (en) * | 2013-12-30 | 2014-07-16 | 贵州久联民爆器材发展股份有限公司 | Automatic air-tight door structure of primary explosive vacuum dryer |
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Application publication date: 20200221 |
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