CN107617733B

CN107617733B - Production system of butterfly valve body

Info

Publication number: CN107617733B
Application number: CN201711005065.5A
Authority: CN
Inventors: 郑家滨; 王鹏; 刘运洪; 刘浩
Original assignee: Tianjin Lester Valve Co ltd
Current assignee: Tianjin Lester Valve Co ltd
Priority date: 2017-10-25
Filing date: 2017-10-25
Publication date: 2022-11-29
Anticipated expiration: 2037-10-25
Also published as: CN107617733A

Abstract

The invention discloses a production system of a butterfly valve body, which comprises a molten iron storage tank, a molten iron containing turnover barrel, a stacked die set, die reaction and transportation equipment, a vibration screening device, a material discharging device and an overhead traveling crane, wherein the input end of the molten iron containing turnover barrel is connected with the molten iron storage tank, the output end of the molten iron containing turnover barrel is connected with the input end of the stacked die set, the stacked die set is arranged in the die reaction and transportation equipment, the output end of the die reaction and transportation equipment is connected with the input end of the vibration screening device, and the vibration screening device is also connected with the input end of the material discharging device. The system has high automation degree, can simultaneously use a plurality of valve body molds to manufacture a plurality of valve bodies by one-time manufacturing process flow, can ensure the uniformity of the quality of products, reduces the labor intensity, saves time and labor, improves the working efficiency, is beneficial to environmental protection, is beneficial to the health of operators, and saves the production cost.

Description

Production system of butterfly valve body

Technical Field

The invention belongs to the technical field of valve production, relates to production equipment of a valve, and particularly relates to a production system of a butterfly valve body.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The industrial valves have various types, are widely applied to the industries of chemical industry, food, water, electricity and the like, and mainly play a role in regulating and stopping the flow of fluid media.

At present, in the valve body manufacturing process of butterfly valve, most production processes all are that the manual work operates, and a preparation process flow can only make a valve body moreover, and not only intensity of labour is big, wastes time and energy, and the cost is higher moreover, and efficiency is lower, and simultaneously, each batched valve body also has the difference, can not guarantee the quality of product, and in addition, traditional valve body manufacturing process need use the sand a bit, not only is unfavorable for the environmental protection, is unfavorable for operating workman's healthy moreover.

Therefore, a new manufacturing device related to the valve body is needed to meet the manufacturing requirement of the valve body, so as to reduce the labor intensity and improve the working efficiency.

Disclosure of Invention

The invention aims to overcome the defects of the prior art, and provides a production system of a butterfly valve body, which has high automation degree, reduces the labor intensity, saves time and labor, improves the working efficiency, is beneficial to environmental protection and the health of operators due to the repeated recycling of iron sand, saves the production cost, simultaneously, not only can a plurality of valve bodies be simultaneously manufactured by a plurality of valve body molds in one manufacturing process flow due to the arrangement of a stacked mold group, reduces the labor intensity, improves the working efficiency, simultaneously can ensure the uniformity of the quality of products, and brings convenience for the manufacturing of the valve bodies.

The technical scheme adopted by the invention for solving the technical problem is as follows:

a production system of a butterfly valve body comprises a molten iron storage tank, a molten iron containing turnover barrel, a stacked die set, die reaction transportation equipment, a vibration screening device, a discharging device and an overhead traveling crane, wherein the input end of the molten iron containing turnover barrel is connected with the molten iron storage tank, molten iron is stored in the molten iron storage tank, the output end of the molten iron containing turnover barrel is connected with the input end of the stacked die set, the stacked die set is arranged in the die reaction transportation equipment, the output end of the die reaction transportation equipment is connected with the input end of the vibration screening device, and the vibration screening device is also connected with the input end of the discharging device;

the overhead traveling crane is provided with at least more than 3 lifting hooks, and the lifting hooks can be detachably connected with the molten iron containing turnover barrel and the mold reaction and transportation equipment;

the turnover barrel for containing the molten iron comprises a ladle body, a barrel body bracket, a speed reducer and a crank, wherein the ladle body is in a hollow barrel shape with an opening at the top;

the barrel body support comprises a connecting top plate, a connecting side plate and a top connecting lug, the connecting top plate is arranged along the horizontal direction, the horizontal two ends of the connecting top plate are vertically detachably connected with the middle upper part of the connecting side plate, the bottom of the connecting side plate extends downwards along the vertical direction, the top connecting lug is vertically and fixedly arranged in the middle of the upper surface of the connecting top plate, the top connecting lug can be detachably connected with a lifting hook of an overhead traveling crane, and the overhead traveling crane can drive the molten iron containing turnover barrel to move through the top connecting lug;

the ladle body is arranged below the connecting top plate and between the two connecting side plates, the connecting shaft on the same side is detachably and movably connected with the connecting side plates, and the connecting shaft can rotate on the connecting side plates on the same side around the axis of the connecting shaft;

the speed reducer is arranged outside the ladle body and fixedly connected with one connecting side plate, the input end of the speed reducer is connected with a crank, the output end of the speed reducer is detachably connected with one horizontal end of the connecting shaft close to the output end of the speed reducer, and the speed reducer can drive the connecting shaft connected with the speed reducer to rotate on the connecting side plate at the same side around the axis of the connecting shaft, so that the ladle body can be driven to turn by a corresponding angle;

the output end of the speed reducer and the connecting shaft are arranged on the same center line;

the stacked die set comprises two or more valve body dies and a molten iron pouring funnel, and the valve body dies are connected in parallel from bottom to top;

the mold comprises a front half clamping mold, a rear half clamping mold, an upper gland, a lower gland and a valve shaft core, wherein the front half clamping mold, the rear half clamping mold, the upper gland, the lower gland, a molten iron filling funnel and the valve shaft core are all made of precoated sand, the front half clamping mold and the rear half clamping mold are arranged oppositely along the longitudinal front and rear mirror symmetry and can be tightly detachably connected together, a semi-molten iron pouring channel is correspondingly arranged at one horizontal end of each of the front half clamping mold and the rear half clamping mold, the semi-molten iron pouring channel is arranged along the vertical direction, a clamping annular convex edge is formed at the top of the semi-molten iron pouring channel, and a clamping annular groove is formed at the bottom of the semi-molten iron pouring channel and matched with the clamping annular convex edge;

the clamping annular convex edge arranged on the lower valve body mould can be tightly clamped and arranged in the clamping annular groove of the upper valve body mould, and the clamping annular convex edge at the topmost end can be detachably and tightly communicated with the bottom of the molten iron pouring funnel;

when the front half clamping mold and the rear half clamping mold are arranged in a relatively tight clamping manner, the two tightly arranged half molten iron pouring channels form a molten iron pouring channel for molten iron to pass through;

the upper gland and the lower gland are arranged oppositely along the vertical direction in a mirror symmetry manner, the upper gland is tightly detachably arranged at the top of the other side of the semi-molten iron pouring channel of the front half clamping mold and the rear half clamping mold which are tightly and detachably arranged together, and the lower gland is tightly detachably arranged at the bottom of the other side of the semi-molten iron pouring channel of the front half clamping mold and the rear half clamping mold which are tightly and detachably arranged together;

a valve shaft core is detachably and tightly arranged among the front half clamping mould, the rear half clamping mould, the upper gland and the lower gland, and the shape of the valve shaft core is matched with that of the valve shaft;

a molten iron pouring cavity is formed among the front half clamping mold, the rear half clamping mold, the upper gland, the lower gland and the valve shaft core, the shape of the molten iron pouring cavity is matched with that of a valve body of the flange butterfly valve, and the molten iron pouring cavity can be communicated with a molten iron pouring channel;

the mould reaction and transportation equipment comprises a barrel body, a central hook shaft, a support shaft, a side central hook, a damping layer and iron sand, wherein the barrel body is in a hollow cuboid or cube shape with an opening at the top;

a support shaft is vertically and fixedly arranged on the outer surface of the barrel body on one longitudinal side of the central hook shaft, the support shaft and the central hook shaft are arranged in parallel, and the support shaft can be placed on a rotating shaft support seat of the vibration screening device and can rotate around the axis of the support shaft on the rotating shaft support seat;

a side center hook is vertically and fixedly arranged on the outer surface of the barrel body at the bottom of one end surface in the longitudinal direction of the barrel body, and can be hung with a lifting hook of a crown block and can turn over the die reaction and transportation equipment;

a damping layer is fixedly arranged on the lower bottom surface of the barrel body;

a plurality of stacked die sets are arranged in the hollow interior of the barrel body at intervals, iron sand is filled in the hollow interior of the barrel body outside the valve body die and below the molten iron filling funnel of each stacked die set, and the iron sand can fix the stacked die sets in the barrel body;

the discharge hole of the ladle barrel body can be arranged over against a molten iron pouring funnel of a stacked die set arranged in the die reaction and transportation equipment;

the vibration screening device comprises vibration screening equipment, a support frame and a plurality of material conveying equipment, wherein the support frame is arranged on one side of the outer portion of a material input end on one horizontal side of the vibration screening equipment, the support frame comprises a support frame body and rotating shaft support seats, two rotating shaft support seats are arranged on the top of the support frame body at intervals along the longitudinal symmetry direction, a support shaft of the mold reaction conveying equipment can be placed on each rotating shaft support seat, a barrel body of the mold reaction conveying equipment can be placed on each rotating shaft support seat conveniently, and then the materials in the barrel body of the mold reaction conveying equipment are poured into the vibration screening equipment in a turnover mode; the material conveying equipment is detachably arranged below the discharge end of the vibrating screening equipment;

the vibration screening equipment comprises a rack, a vibration motor and a screen, wherein multiple layers of screens are detachably arranged in the rack from top to bottom at intervals in sequence, the screens are obliquely and downwards arranged from a material input end to a vibration discharge end, the mesh openings of the multiple layers of screens are sequentially reduced from top to bottom, the uppermost screen can block a valve body crude product of a manufactured butterfly valve on the upper surface of the uppermost screen, a discharge opening of the uppermost screen directly outputs the valve body to the outside of the vibration screening equipment, the specific aperture size of the screens is designed according to the requirements in actual production, the vibration motor and multiple springs are arranged on the outer surface of the rack, the tops of the springs are connected with the rack, the bottoms of the springs are connected with a spring seat, the spring seat is arranged on the base, the vibration motor can drive the rack and the screens to vibrate under the support of the springs, and further materials on the screens can be conveyed in a downward vibration mode;

the material conveying equipment comprises an auger conveyor and a vibrating screening machine, the auger conveyor comprises a trough, the input end of the trough can be arranged below the vibrating discharge end of the screen, and the output end of the trough is connected with the input end of the vibrating screening machine;

the material placing device comprises a material lifting machine, a material storage tank and a conveying device, the material lifting machine comprises a lifting machine body, a material input end and a material output end, the bottom of the lifting machine body is communicated with the material input end, the material input end of the material lifting machine is connected with the output end of a vibration screening machine of the vibration screening device, the top of the lifting machine body is communicated with the material output end, the material storage tank is arranged on one horizontal side outside the material lifting machine and comprises a tank body, a material inlet, a material outlet and a tank body support, the tank body is arranged on the tank body support, the bottom of the tank body support is arranged on the ground, the top of the tank body is provided with the material inlet, the material inlet is arranged right below the material output end, the bottom of the tank body is a conical tank bottom, the conical tank bottom is communicated with the interior of the tank body to form 1 or more than 2 material outlets, and the material outlets are provided with switch valves;

the transportation device comprises a wall body, a slide rail, a movable placing support block, an electric hoist and a buffer block, wherein the wall body is arranged in the ground below the tank body, the wall body is in a hollow shape with an opening at the top, the slide rail, the movable placing support block, the electric hoist and the buffer block are all arranged in the wall body, the upper surfaces of the wall body and the movable placing support block are flush with the ground, the lower bottom surface of the movable placing support block is slidably mounted with the slide rail, the slide rail is mounted on the upper surface of the bottom in the wall body, the slide rail is longitudinally arranged and symmetrically arranged in two horizontal directions, and the movable placing support block can longitudinally slide back and forth on the slide rail;

the wall bodies above the two longitudinal ends of the slide rail are respectively fixedly provided with an electric hoist, the electric hoist is provided with an electric hoist lifting hook, the electric hoist lifting hook is arranged opposite to the longitudinal side surface of the movable placing support block and is detachably arranged together, and the electric hoist lifting hook can drive the movable placing support block to slide back and forth on the slide rail;

and a plurality of buffer blocks are arranged on the movable placing supporting block relative to the electric hoist.

And threaded connection through holes which are longitudinally arranged are symmetrically formed in the two horizontal ends of the connecting top plate along the horizontal direction, side plate threaded connection through holes which are longitudinally arranged are also formed in the connecting side plates corresponding to the threaded connection through holes, a plurality of side plate threaded connection through holes are uniformly distributed along the vertical direction at intervals, and the connecting top plate and the connecting side plates are detachably mounted together through bolts which are threaded in the threaded connection through holes and the side plate threaded connection through holes in a threaded engagement mode.

And an inclined dumping opening is formed at the opening at the top of the ladle body.

The upper gland of the stacked die set comprises a cover body, a flange through hole upright post and a valve plate through hole upright post, wherein the middle shaft part of the cover body is coaxially and integrally protruded downwards to manufacture the valve plate through hole upright post;

the front half clamping die further comprises a die body, a cover body clamping part, a valve plate through hole upright placing cavity, a base forming cavity, a second valve shaft mounting half channel and a connecting cavity, wherein the cover body clamping part, the valve plate through hole upright placing cavity, the base forming cavity, the second valve shaft mounting half channel and the connecting cavity are arranged on the die body at the other side of the half molten iron pouring channel level, the cover body clamping part is formed by symmetrical mirror images of the top and the bottom of the die body, when the front half clamping die and the rear half clamping die are tightly clamped and mounted, an upper gland and a lower gland can be tightly clamped and mounted on the correspondingly arranged cover body clamping part, the middle part of the die body between the upper cover body clamping part and the lower cover body clamping part is provided with the valve plate through hole upright placing cavity, the valve plate through hole upright can be placed in the valve plate through hole upright placing cavity, the valve plate through hole upright and the inner wall of the valve plate through hole upright placing cavity are arranged at intervals, the valve plate through hole upright placing cavity is horizontally arranged on one side, the die body close to the half molten iron pouring channel is provided with the second valve shaft mounting half channel, the valve shaft mounting half channel is arranged in the valve shaft mounting half channel, and the first valve shaft mounting half channel is communicated with the first valve shaft mounting half channel.

And the barrel body of the die reaction and transportation equipment comprises a barrel body, a high-temperature-resistant heat-insulation coating layer and a high-temperature-resistant anti-corrosion coating layer, wherein the high-temperature-resistant anti-corrosion coating layer is fixedly arranged on the inner surface of the barrel body, and the high-temperature-resistant heat-insulation coating layer is fixedly arranged on the outer surface of the barrel body.

And, the bottom and the material input of lifting machine body all set up in the below ground.

The invention has the advantages and positive effects that:

1. the system comprises a molten iron storage tank, a molten iron containing overturning barrel, a stacked die set, a die reaction and transportation device, a vibration screening device, a discharging device and a crown block, wherein when the system is used, molten iron sand is contained in a material storage tank of the discharging device, when the die reaction and transportation device is used, the stacked die set is firstly placed in a barrel body of the die reaction and transportation device, then the die reaction and transportation device is transported to the position below a material outlet of the discharging device by using the stacked crown block, the molten iron sand can be discharged by opening a switch valve, the molten iron is discharged to the hollow inner part of the barrel body outside a valve body die below a molten iron filling funnel of the stacked die set until the whole hollow inner part is filled, then the die reaction and transportation device is transported to a region to be reacted by using the crown block, high-temperature molten iron in the molten iron storage tank is poured into the molten iron containing barrel to be overturned, the molten iron containing overturning barrel is driven by the mold reaction and transportation device to move towards the die reaction and then the die to be poured into a film forming device by shaking and transporting the overhead die, and the overhead die set is poured, and then the molten iron sand is poured into the die to be formed by using the vibration screening device, and the overhead die set, and the vibration screening device, the valve body and the valve body mould vibrate together, due to the special property of the precoated sand, the stacked mould set is vibrated and crushed into powder after vibration, the crude valve body product is presented, only the crude valve body product needs to be processed, and the redundant part is removed, the precoated sand powder and the iron sand continue to move towards the next screen until the two are separated, and the iron sand can be recycled, so the iron sand is input into a material storage tank of the emptying device by using material conveying equipment, and is convenient for recycling at the next time;

the system has the advantages of high automation degree, labor intensity reduction, time and labor saving, work efficiency improvement, environmental protection, health promotion of operators, production cost saving, and convenience in manufacturing the valve body due to the fact that iron sand can be recycled.

2. When the containing turnover barrel of the system is installed, firstly, one connecting side plate is fixedly installed together with the speed reducer, then, the middle upper part of the connecting side plate is detachably connected with one horizontal end of the connecting top plate, then, the barrel body of the ladle is installed, one connecting shaft of the barrel body of the ladle is detachably connected with the output end of the speed reducer, then, the other connecting side plate is installed, the other connecting shaft is connected with the connecting side plate, finally, the connecting side plate is installed together with the connecting top plate, the installation is completed, the installation and the disassembly are convenient, when the containing turnover barrel is used, if the barrel body of the ladle or other parts are damaged, the corresponding parts are only needed to be replaced, the normal operation of the operation is ensured, the whole equipment is not required to be completely discarded, the resources are saved, the use cost is reduced, and the convenience is brought to the use;

when the turnover ladle is used, after high-temperature molten iron is contained in the ladle barrel, a lifting hook of the crown block hooks the top connecting lug, the turnover ladle is transported to a place where the molten iron needs to be poured by the crown block, then the turnover ladle is transported to a destination, the crank is rotated by an operator, the crank drives the ladle barrel to turn over through the speed reducer, and the turnover angle of the ladle barrel is determined by the angle of the rotary crank of the operator.

The stacked die set of the system comprises two or more than two valve body dies and a molten iron pouring funnel, the valve body dies are connected and arranged in a plurality of numbers from bottom to top in parallel, the valve body dies of the device are convenient to manufacture and use, the dies comprise a front half clamping die, a rear half clamping die, an upper gland, a lower gland and a valve shaft core, a molten iron pouring cavity is formed between the front half clamping die, the rear half clamping die, the upper gland, the lower gland and the valve shaft core, the molten iron pouring cavity is matched with the valve body of the flange butterfly valve in shape and can be communicated with a molten iron pouring channel, when the stacked die set is used, a plurality of valve body dies are connected and arranged from bottom to top in parallel, the clamping annular tight clamping block of the valve body die arranged below is installed in the clamping annular groove of the valve body die arranged above, the bottom end of the lowest molten iron pouring channel is sealed, the molten iron pouring funnel installed on the valve body die arranged at the top is filled with the molten iron pouring funnel, the molten iron flows into the valve body dies in the clamping annular groove of the valve body dies which are connected in sequence, the molten iron pouring channels, the valve body dies tightly, the valve body dies are uniform, the valve body molds, the valve body pouring process can be manufactured at the same time, and the valve body pouring process, the valve body pouring efficiency is improved, and the convenience is improved.

In addition, when the valve body is manufactured by using the mold, the bottom end of the molten iron pouring channel is sealed, then high-temperature molten iron is injected into the molten iron pouring channel of the mold, the high-temperature molten iron flows into the molten iron pouring cavity, and after cooling, the valve body is formed.

The mould reaction transportation equipment of this system includes the staving, center lifting hook axle, the back shaft, side center couple and buffer layer, when using, can be in this splendid attire bucket a plurality of flange butterfly valve body moulds of putting neatly, after putting, when needing to transport it, can use transportation equipment, for example overhead traveling crane etc., the lifting hook of overhead traveling crane is more than 3 at least, at first use two lifting hooks to hook center lifting hook axle, then use the overhead traveling crane to transport it to the equipment that needs to handle on, make in advance on this treatment facility can with the supporting seat of back shaft matching, then place two back shafts on the supporting seat of corresponding matching, then hook side center couple with the third lifting hook of overhead traveling crane, then use the overhead traveling crane to drive this staving around the back shaft upset, the certain angle of upset is until pouring out the content in the staving, after pouring, reuse the overhead traveling crane to transport equipment to transport away with the mould reaction, high durability and convenient use, the design of this staving, once can a plurality of valve body moulds of once transportation such as can use, labor saving time and saving, the labor intensity of labor has been reduced the workman, the work efficiency of splendid attire.

The vibration screening device of the system comprises vibration screening equipment, a support frame and a plurality of material conveying equipment, wherein the support frame is arranged to facilitate the placement of a barrel containing materials on a rotating shaft, so that the materials in the barrel containing the materials are poured into the vibration screening equipment in a turnover mode, the barrel containing the materials can be conveyed and turned over by using equipment such as a crown block, manual feeding is avoided, the labor intensity of workers is reduced, the working efficiency is improved, meanwhile, a plurality of screens are detachably arranged on the vibration screening equipment, the screen on the uppermost layer can block the valve body crude product of the manufactured butterfly valve on the upper surface of the valve body crude product, therefore, in the vibration process, the precoated sand powder, iron sand or other damages doped or adhered in the valve body crude product of the butterfly valve can be separated from the valve body crude product in the vibration process, the specific aperture size is designed according to the requirements in actual production, a user can install the precoated sand powder, the iron sand and the iron sand with different apertures according to the actual production, meanwhile, the iron sand needing to be recycled can be arranged below the vibration screening equipment, and the auger can be used for conveying the products, and the finished product can be conveyed by using the vibration screening machine;

the device degree of automation is high, has reduced workman's intensity of labour, has improved work efficiency, has brought the facility for the production of valve body.

When the system is used, an operator pours the iron sand material to be recovered into a material input end of the material elevator, the elevator body lifts the iron sand into the tank body, when the system is not used, the switch valve is closed, the iron sand material is placed in the tank body for storage, when the system is used, the switch valve is opened, and the iron sand material flows downwards under the action of gravity and flows out of a material outlet; the movable placing and supporting block is placed on the outer side below the tank body, a barrel body of the mold reaction and transportation equipment to be filled with iron sand is conveyed to the upper surface of the movable placing and supporting block by using an overhead traveling crane, then the electric hoist is started to convey the movable placing and supporting block to the lower part of the tank body, the movable placing and supporting block drives the barrel body of the mold reaction and transportation equipment to move to the lower part of the tank body together, at the moment, the electric hoist is closed, then a switch valve is opened to discharge materials into the barrel body of the mold reaction and transportation equipment, after discharging is finished, the electric hoist is started again, the movable placing and supporting block is moved out of the lower part of the tank body, and then the barrel body of the mold reaction and transportation equipment is conveyed to a required position by using the overhead traveling crane;

meanwhile, the conveying device is arranged below the ground, so that the space occupied by the conveying device is saved.

3. The connecting top plate of the molten iron containing turnover barrel of the system is simple in structure and connection mode of the connecting side plates, the manufacturing and the use are very convenient, the cost is low, when the molten iron containing turnover barrel is installed, one connecting side plate is fixedly installed together with the speed reducer, then the middle upper portion of the connecting side plate is connected with the horizontal end of the connecting top plate through the bolt, then the molten iron barrel is installed, one connecting shaft of the molten iron barrel is detachably connected with the output end of the speed reducer, the other connecting side plate is installed, the other connecting shaft is connected with the connecting side plate, the bolt is screwed up at last, the installation is completed, and the installation and the disassembly are convenient and rapid.

4. The top opening of the ladle body of the system is provided with the inclined dumping port 56, so that molten iron can be dumped conveniently during operation and cannot flow out of the opening of the ladle body, the waste of the molten iron cannot be caused, the personal safety of an operator can be ensured, and the use of the molten iron is ensured.

5. The last gland of the formula mould group of folding of this system includes the lid, flange through-hole stand and valve plate through-hole stand, go up the gland, the lower gland sets up along vertical direction mirror symmetry relatively, first half block mould still includes the mould body, lid block portion, the chamber is placed to valve plate through-hole stand, half base formation chamber, second valve shaft installation half passageway and connection chamber, first half block mould, latter half block mould sets up along longitudinal front and back mirror symmetry relatively, moreover, the steam generator is simple in structure, the preparation is convenient, once can make the valve body crude, need not to carry out secondary operation again, only need to process the valve body crude again, get rid of unnecessary part can, it is also very convenient to use, the valve body quality homogeneity that the preparation obtained simultaneously is good, and the production efficiency is improved.

6. This system mould reaction transportation equipment's staving includes the staving body, high temperature resistant thermal-insulated dope layer and high temperature resistant anticorrosive dope layer, gu install high temperature resistant anticorrosive dope layer on the internal surface of staving body, this staving is even the content temperature of its splendid attire is higher when using, if the corrosivity is stronger, because the setting of high temperature resistant anticorrosive dope layer, also can not cause the damage to the staving body, in addition, because gu install high temperature resistant thermal-insulated dope layer on the surface of staving body, consequently, when using, even this internal content temperature of staving is higher, also can not conduct the surface to the staving body, can not cause the scald to the operator, the safety of using is improved, and the work efficiency is improved.

7. The bottom and the material input end of the lifting machine body of the system are arranged below the ground, so that the space occupied by the lifting machine body is further saved, and meanwhile, the operation of pouring collected granular materials into the material input end is more convenient.

Drawings

FIG. 1 is a schematic view of the structural connection of the present invention;

FIG. 2 is a schematic view of structural connection of the molten iron containing overturning barrel in FIG. 1;

FIG. 3 is a schematic view of a structural connection of the stack mold of FIG. 1;

FIG. 4 is a front view of the structural connection of the valve body mold of FIG. 3;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a schematic view of a structural attachment of the valve shaft core of FIG. 4;

FIG. 7 is an exploded view of the structural connection of FIG. 4 (with the front half-snap mold omitted);

FIG. 8 is a schematic half-section view of the structural connection of FIG. 4;

FIG. 9 is a bottom view of the upper gland of FIG. 4;

FIG. 10 is a top view of FIG. 9;

FIG. 11 is a bottom view of the front half of the snap mold of FIG. 4;

FIG. 12 is a bottom view of FIG. 11;

FIG. 13 is a front view of the molten iron filling funnel of FIG. 3 in structural connection;

FIG. 14 is a bottom view of FIG. 13;

FIG. 15 is a front view of a structural attachment of the mold reaction transport apparatus of FIG. 1 with the stack mold set positioned;

FIG. 16 is a right side view of FIG. 15;

FIG. 17 is a bottom view of FIG. 16;

FIG. 18 is a top view of FIG. 16;

FIG. 19 is a schematic cross-sectional view of a portion of the barrel of FIG. 15;

FIG. 20 is a schematic diagram of structural connections of the vibratory screening device of FIG. 1;

FIG. 21 is a left side schematic view of FIG. 20;

FIG. 22 is a left side view of the structural attachment of the stand of FIG. 20;

FIG. 23 is a schematic view of the structure of the feeding device in FIG. 1;

fig. 24 is a top view of the structural attachment of the transport device of fig. 23.

Detailed Description

For a further understanding of the contents, features and effects of the present invention, reference will now be made to the following examples, which are to be considered in conjunction with the accompanying drawings. It should be noted that the present embodiment is illustrative, not restrictive, and the scope of the invention should not be limited thereby.

A production system of a butterfly valve body is shown in figure 1 and comprises a molten iron storage tank A, a molten iron containing turnover barrel B, a stacked die set, a die reaction and transportation device C, a vibration screening device D, a discharging device E and a crown block F, wherein the input end of the molten iron containing turnover barrel is connected with the molten iron storage tank, molten iron (high-temperature molten iron) is stored in the molten iron storage tank, the output end of the molten iron containing turnover barrel is connected with the input end of the stacked die set, the stacked die set is arranged in the die reaction and transportation device, the output end of the die reaction and transportation device is connected with the input end of the vibration screening device, and the vibration screening device is also connected with the input end of the discharging device;

the overhead travelling crane is provided with at least more than 3 lifting hooks F1, and the lifting hooks can be detachably connected with a molten iron containing turnover barrel and mould reaction and transportation equipment;

as shown in fig. 2, the ladle body comprises a ladle body 59, a body support 51, a speed reducer 511 and a crank 513, wherein the ladle body is in a hollow barrel shape with an open top, and connecting shafts 58 are symmetrically and vertically fixedly arranged on the outer surfaces of the ladle body at the two horizontal sides of the ladle body and are arranged along the horizontal direction;

the barrel body support comprises a connecting top plate 55, connecting

side plates

52 and 57 and a top connecting lug 54, the connecting top plate is arranged along the horizontal direction, the horizontal two ends of the connecting top plate are vertically detachably connected with the middle upper part of the connecting side plate, the bottom of the connecting side plate extends downwards along the vertical direction, the top connecting lug is fixedly arranged in the middle of the upper surface of the connecting top plate vertically, the top connecting lug can be detachably connected with a lifting hook of an overhead traveling crane, and the overhead traveling crane can drive the molten iron containing turnover barrel to move through the top connecting lug;

the speed reducer is arranged outside the ladle body and fixedly connected with a connecting side plate, the input end 512 of the speed reducer is connected with a crank, the output end 510 of the speed reducer is detachably connected with one horizontal end of a connecting shaft close to the output end, and the speed reducer can drive the connecting shaft connected with the speed reducer to rotate on the connecting side plate at the same side around the axis of the connecting shaft, so that the ladle body can be driven to turn by a corresponding angle;

the output end of the speed reducer and the connecting shaft are arranged on the same center line (namely, the center lines are the same center line);

as shown in fig. 3, 4, 5, 6, 7, 8, 13 and 14, the stacked die set includes two or more valve body dies 28 and a molten iron pouring funnel 29, the molten iron pouring funnel is arranged to facilitate and speed the pouring of molten iron, and a plurality of valve body dies are connected in parallel from bottom to top;

the mold comprises a front half clamping mold 2, a rear half clamping mold (not numbered in the figure), an upper gland 1, a lower gland 3 and a valve shaft core 7, wherein the front half clamping mold, the rear half clamping mold, the upper gland, the lower gland, a molten iron pouring funnel and the valve shaft core are all made of precoated sand, the front half clamping mold and the rear half clamping mold are arranged oppositely along the longitudinal front and rear mirror symmetry and can be closely detachably connected together, a semi-molten iron pouring channel 5 is correspondingly arranged at one horizontal end of each of the front half clamping mold and the rear half clamping mold, the semi-molten iron pouring channel is arranged along the vertical direction, a clamping annular convex edge 4 is arranged at the top of the semi-molten iron pouring channel, and a clamping annular groove 6 is formed at the bottom of the semi-molten iron pouring channel and matched with the clamping annular convex edge;

the clamping annular convex edge arranged at the lower part of the valve body mould can be tightly clamped and arranged in the clamping annular groove arranged at the upper part of the valve body mould, and the clamping annular convex edge at the topmost end can be detachably and tightly communicated with the bottom of the molten iron pouring funnel;

when the front half clamping mold and the rear half clamping mold are arranged in a relatively tight clamping manner, the two half molten iron pouring channels which are arranged tightly form a molten iron pouring channel for the molten iron to pass through;

as shown in fig. 15, 16, 17 and 18, the mold reaction transportation device includes a barrel 61, a central hook shaft 62, a support shaft 63, a side central hook 64, a shock absorption layer 65 and iron sand 68, the barrel is a hollow cuboid or cube with an open top, the central hook shaft is symmetrically and vertically fixed on the outer surface of the barrel at the central part of the two horizontal end surfaces of the barrel, the central hook shaft is arranged along the horizontal direction, the central hook shaft can be hung with a hook of an overhead travelling crane, and the overhead travelling crane can balance and lift the mold reaction transportation device;

a side center hook is vertically and fixedly arranged on the outer surface of the barrel body at the bottom of one longitudinal end face of the barrel body, and can be hung with a lifting hook of a crown block and can turn over the die reaction and transportation equipment;

a plurality of stacked die sets are arranged in the hollow interior of the barrel body at intervals, iron sand is filled in the hollow interior of the barrel body below the molten iron filling funnel and outside the valve body die of each stacked die set, and the iron sand can fix the stacked die sets in the barrel body;

as shown in fig. 20, 21 and 22, the vibratory screening device includes a vibratory screening device, a support frame 71 and a plurality of material conveying devices, the support frame is disposed on one side of the outside of the material input end on one horizontal side of the vibratory screening device, the support frame includes a support frame body 72 and a rotating shaft support seat 73, two rotating shaft support seats are disposed on the top of the support frame body along the longitudinal symmetry interval, a support shaft of the mold reaction conveying device can be placed on the rotating shaft support seats, a barrel body of the mold reaction conveying device can be placed on the rotating shaft support seats, and then the materials in the barrel body of the mold reaction conveying device can be poured into the vibratory screening device by turning; the material conveying equipment is detachably arranged below the discharge end of the vibrating screening equipment;

the vibrating screening equipment comprises a rack 74, a vibrating motor 711 and a screen 75, wherein multiple layers of screens are detachably arranged in the rack at intervals in sequence from top to bottom, the screens are obliquely and downwards arranged from a material input end to a vibrating discharge end, the screen pore diameters of the multiple layers of screens are sequentially reduced from top to bottom, the screen on the uppermost layer can block a valve body crude product of a manufactured butterfly valve on the upper surface of the screen, a discharge port of the screen on the uppermost layer directly outputs a valve body to the outside of the vibrating screening equipment, the specific pore size of the screen is designed according to the requirements in actual production, the vibrating motor and multiple springs 710 are arranged on the outer surface of the rack, the tops of the springs are connected with the rack, the bottoms of the springs are connected with a spring seat 79, the spring seat is arranged on a foundation 78, and the vibrating motor can drive the rack and the screens to vibrate under the support of the springs so as to further vibrate and transport substances on the screens downwards;

the material conveying equipment comprises an auger conveyor 77 and a vibrating screening machine 76, the auger conveyor comprises a trough, the input end of the trough can be arranged below the vibrating discharge end of the screen, and the output end of the trough is connected with the input end of the vibrating screening machine;

as shown in fig. 23 and fig. 24, the discharging device includes a material elevator, a material storage tank, and a transportation device, the material elevator includes an elevator body 83, a material input end 82, and a material output end 84, the bottom of the elevator body is connected to the material input end, the material input end of the material elevator is connected to the output end of the vibrating screen machine of the vibrating screen device, the top of the elevator body is connected to the material output end, one horizontal side of the outside of the material elevator is provided with the material storage tank, the material storage tank includes a tank body 86, a material inlet 85, a material outlet 89, and a tank body support 87, the tank body is disposed on the tank body support, the bottom of the tank body support is disposed on the ground 81, the top of the tank body is provided with the material inlet, the material inlet is disposed right below the material output end, the bottom of the tank body is a conical tank bottom 88, the bottom of the conical tank bottom is connected to the inside of the tank body and is provided with 1 or more than 2 material outlets, and the material outlets are provided with a switch valve 810;

the transportation device comprises a wall 813, a sliding rail 815, a movable placing supporting block 811, an electric hoist 816 and a buffer block 814, wherein the wall is arranged in the ground below the tank body, the wall is hollow, the top of the wall is open, the sliding rail, the movable placing supporting block, the electric hoist and the buffer block are all arranged in the wall, the upper surfaces of the wall and the movable placing supporting block are flush with the ground, the lower bottom surface of the movable placing supporting block is slidably mounted together with the sliding rail, the sliding rail is mounted on the upper surface of the bottom in the wall, the sliding rails are longitudinally arranged and symmetrically arranged in the horizontal direction, and the movable placing supporting block can longitudinally slide back and forth on the sliding rail;

an electric hoist is fixedly arranged on the wall body above the two longitudinal ends of the slide rail, the electric hoist is provided with an electric hoist lifting hook 812, the electric hoist lifting hook is arranged opposite to the longitudinal side surface of the movable placing support block and is detachably arranged together, and the electric hoist lifting hook can drive the movable placing support block to slide back and forth on the slide rail;

a plurality of buffer blocks are arranged on the movable placing supporting block opposite to the electric hoist so as to prevent the movable placing supporting block from crashing the wall body.

The system comprises a molten iron storage tank, a molten iron containing overturning barrel, a stacked die set, a die reaction and transportation device, a vibration screening device, a discharging device and a crown block, wherein when the system is used, molten iron sand is contained in a material storage tank of the discharging device, when the die reaction and transportation device is used, the stacked die set is firstly placed in a barrel body of the die reaction and transportation device, then the die reaction and transportation device is transported to the position below a material outlet of the discharging device by using the stacked crown block, the molten iron sand can be discharged by opening a switch valve, the molten iron is discharged to the hollow inner part of the barrel body outside a die body die below a molten iron filling funnel of the stacked die set until the whole hollow inner part is filled, then the die reaction and transportation device is transported to a region to be reacted by using the crown block, high-temperature molten iron in the molten iron storage tank is poured into the molten iron containing barrel to be overturned, the molten iron containing overturning barrel is driven by the mold reaction and transportation device to move towards the die reaction and transportation device, and then the molten iron sand can be poured into a film to be formed by shaking and transporting the die set, and then the molten iron sand can be poured into the die after the die is moved to be used, due to the special properties of the precoated sand, after vibration, the stacked die set is vibrated into powder, the crude valve body product is displayed, only the crude valve body product needs to be processed again, and the redundant part is removed, the precoated sand powder and the iron sand continue to move to the next screen until the precoated sand powder and the iron sand are separated from each other, and the iron sand can be recycled, so that the iron sand is input into a material storage tank of the emptying device by using material conveying equipment, and is convenient for recycling next time;

When the containing turnover barrel of the system is installed, firstly, one connecting side plate is fixedly installed together with the speed reducer, then, the middle upper part of the connecting side plate is detachably connected with one horizontal end of the connecting top plate, then, the barrel body of the ladle is installed, one connecting shaft of the barrel body of the ladle is detachably connected with the output end of the speed reducer, then, the other connecting side plate is installed, the other connecting shaft is connected with the connecting side plate, finally, the connecting side plate is installed together with the connecting top plate, the installation is completed, the installation and the disassembly are convenient, when the containing turnover barrel is used, if the barrel body of the ladle or other parts are damaged, the corresponding parts are only needed to be replaced, the normal operation of the operation is ensured, the whole equipment is not required to be completely discarded, the resources are saved, the use cost is reduced, and the convenience is brought to the use;

when the ladle barrel is used, after high-temperature molten iron is filled in the ladle barrel, a lifting hook of the crown block hooks a top connecting lug, the filling turnover barrel is transported to a place where molten iron needs to be poured by the crown block, then the molten iron is transported to a destination, the crank is rotated by an operator, the crank drives the ladle barrel to turn over through the speed reducer, and the turning angle of the ladle barrel is determined by the angle of the rotating crank of the operator.

The stacked die set of the system comprises two or more than two valve body dies and a molten iron pouring funnel, the valve body dies are connected and arranged in a plurality of parallel from top to bottom, the valve body dies of the device are convenient to manufacture and use, the dies comprise a front half clamping die, a rear half clamping die, an upper gland, a lower gland and a valve shaft core, a molten iron pouring cavity is formed among the front half clamping die, the rear half clamping die, the upper gland, the lower gland and the valve shaft core, the molten iron pouring cavity is matched with the valve body of a flange butterfly valve in shape, and can be communicated with a molten iron pouring channel.

The mould reaction transportation equipment of this system includes the staving, center hook shaft, the back shaft, side center couple and buffer layer, when using, can be in this splendid attire bucket a plurality of flange butterfly valve body moulds of putting neatly, after finishing putting, when needing to transport it, can use transportation equipment, for example overhead traveling crane etc., the lifting hook of overhead traveling crane is more than 3 at least, at first use two lifting hooks to hook center hook shaft, then use the overhead traveling crane to transport it to the equipment that needs to handle, make in advance on this treatment facility can with the supporting seat of back shaft matching, then place two back shafts on the supporting seat of corresponding matching, then hook side center couple with the third lifting hook of overhead traveling crane, then use the overhead traveling crane to drive this staving around the upset of back shaft, the certain angle of upset is until pouring out the content in the staving, after finishing pouring, reuse the overhead traveling crane with mould reaction transportation equipment transport away can, high durability and convenient use, the design of this bucket, once can a plurality of valve bodies, consequently can use a plurality of valve body moulds of a transportation of labour saving time etc., the splendid attire is greatly reduced, the intensity of workers is greatly, the splendid attire efficiency is greatly improved.

In this embodiment, threaded connection through holes (not numbered) are formed in the horizontal direction at two horizontal ends of the connection top plate symmetrically along the horizontal direction, side plate threaded connection through holes 53 are also formed in the connection side plate corresponding to the threaded connection through holes along the vertical direction, the side plate threaded connection through holes are uniformly distributed along the vertical direction at intervals, and bolts 514 penetrating into the threaded connection through holes and the side plate threaded connection through holes through threaded engagement are detachably mounted together.

This roof of connection of ladle splendid attire upset bucket, the connected mode simple structure of connecting the curb plate, it is all very convenient to make and use, the cost is comparatively cheap, when the installation, at first with a connection curb plate and speed reducer dress together, then pass through bolted connection together with the well upper portion of this connection curb plate and the level one end of connecting the roof, then the installation ladle staving, can dismantle the connection setting with the output of speed reducer with a connecting axle of ladle staving, another connection curb plate is installed again, be connected the setting with another connecting axle and this connection curb plate, screw up the bolt at last, the installation is accomplished promptly, it is comparatively convenient, swiftly to install and dismantle.

In this embodiment, the top opening of the ladle body is provided with an inclined pouring opening 56, so that molten iron can be poured in the process of convenient operation, the molten iron can not flow out from the opening of the ladle body, the waste of the molten iron can not be caused, the personal safety of an operator can be ensured, and the use of the molten iron is ensured.

In this embodiment, as shown in fig. 9, 10, 11 and 12, the upper gland of the stacked die set includes a cover body 11, a flange through-hole column 12 and a valve plate through-hole column 13, a central axis of the cover body is coaxially and integrally protruded downward to form the valve plate through-hole column, a first valve shaft installation half channel 14 is formed on a lower bottom surface of the valve plate through-hole column, a plurality of flange through-hole columns are uniformly and integrally formed on the lower bottom surface of the cover body outside the valve plate through-hole column at intervals along a circumferential direction, and shapes of the flange through-hole columns are matched with shapes of the flange through-holes;

the front half clamping die further comprises a die body 26, a cover clamping portion 22, a valve plate through hole upright post placing cavity 24, a base forming cavity 21, a second valve shaft mounting half channel 25 and a connecting cavity 23, wherein the cover clamping portion, the valve plate through hole upright post placing cavity, the base forming cavity, the second valve shaft mounting half channel and the connecting cavity are arranged on the die body on the other side of the semi-molten iron pouring channel level, the top and the bottom of the die body are symmetrically mirrored to form a cover clamping portion, when the front half clamping die and the rear half clamping die are tightly clamped and mounted, an upper gland and a lower gland can be tightly clamped and mounted on the correspondingly arranged cover clamping portion, the middle portion of the die body between the upper cover clamping portion and the lower cover clamping portion is provided with the valve plate through hole upright post placing cavity, the valve plate through hole upright post can be placed in the valve plate through hole upright post, the inner walls of the valve plate through hole upright post and the valve plate through hole upright post placing cavity are arranged at intervals, the valve plate through hole upright post placing cavity is horizontally arranged on one side of the die body close to the semi-molten iron pouring channel, the valve plate through hole upright post placing cavity is provided with the base forming cavity, and the valve shaft mounting half channel is communicated with the first valve shaft mounting half channel, and the valve shaft mounting half channel is arranged on the die body.

The last gland of the formula mould group of folding of this system includes the lid, flange through-hole stand and valve plate through-hole stand, go up the gland, the lower gland sets up along vertical direction mirror symmetry relatively, first half block mould still includes the mould body, lid block portion, the chamber is placed to valve plate through-hole stand, half base formation chamber, second valve shaft installation half passageway and connection chamber, first half block mould, latter half block mould sets up along longitudinal front and back mirror symmetry relatively, moreover, the steam generator is simple in structure, the preparation is convenient, once can make the valve body crude, need not to carry out secondary operation again, only need to process the valve body crude again, get rid of unnecessary part can, it is also very convenient to use, the valve body quality homogeneity that the preparation obtained simultaneously is good, and the production efficiency is improved.

In this embodiment, as shown in fig. 19, the barrel body of the mold reaction transportation device includes a barrel body, a high temperature resistant heat insulation coating layer 67 and a high temperature resistant anticorrosion coating layer 66, the high temperature resistant anticorrosion coating layer is fixedly mounted on the inner surface of the barrel body, and the high temperature resistant heat insulation coating layer is fixedly mounted on the outer surface of the barrel body.

This system mould reaction transportation equipment's staving includes the staving body, high temperature resistant thermal-insulated dope layer and high temperature resistant anticorrosive dope layer, adorn high temperature resistant anticorrosive dope layer admittedly on the internal surface of staving body, this staving is even the content temperature of its splendid attire is higher when using, if corrosivity is stronger, because the setting of high temperature resistant anticorrosive dope layer, also can not cause the damage to the staving body, additionally, because adorn high temperature resistant thermal-insulated dope layer admittedly on the surface of staving body, consequently, when using, even this internal content temperature of staving is higher, also can not conduct the surface to the staving body, can not cause the scald to the operator, the safety of using is improved, and the work efficiency is improved.

In this embodiment, the bottom and the material input end of lifting machine body all set up in the below ground, have further practiced thrift the space that the device occupy, and simultaneously, it is also more convenient that operating personnel pours the granular material of collection into to the material input end.

Claims

1. The utility model provides a production system of butterfly valve body which characterized in that: the system comprises a molten iron storage tank, a molten iron containing turnover barrel, a stacked die set, die reaction transportation equipment, a vibration screening device, a discharging device and an overhead traveling crane, wherein the input end of the molten iron containing turnover barrel is connected with the molten iron storage tank and stores molten iron in the molten iron storage tank, the output end of the molten iron containing turnover barrel is connected with the input end of the stacked die set, the stacked die set is arranged in the die reaction transportation equipment, the output end of the die reaction transportation equipment is connected with the input end of the vibration screening device, and the vibration screening device is also connected with the input end of the discharging device;

the speed reducer is arranged outside the ladle body and fixedly connected with a connecting side plate, the input end of the speed reducer is connected with a crank, the output end of the speed reducer is detachably connected with one horizontal end of a connecting shaft close to the output end of the speed reducer, and the speed reducer can drive the connecting shaft connected with the speed reducer to rotate on the connecting side plate at the same side around the axis of the connecting shaft, so that the ladle body can be driven to turn by a corresponding angle;

the stacked die set comprises two or more valve body dies and a molten iron pouring funnel, wherein the valve body dies are connected in parallel from bottom to top;

a discharge port of the ladle body can be arranged over against a molten iron filling funnel of a stacked die set arranged in the die reaction and transportation equipment;

a plurality of buffer blocks are arranged on the movable placing supporting block opposite to the electric hoist;

an inclined dumping opening is formed in the opening at the top of the ladle body;

the upper gland of the stacked die set comprises a cover body, a flange through hole upright post and a valve plate through hole upright post, wherein the middle shaft part of the cover body is coaxially and integrally protruded downwards to form the valve plate through hole upright post, a first valve shaft installation half channel is formed on the lower bottom surface of the valve plate through hole upright post, a plurality of flange through hole upright posts are uniformly distributed and integrally formed on the lower bottom surface of the cover body outside the valve plate through hole upright post at intervals along the circumferential direction, and the shape of the flange through hole upright post is matched with that of a flange through hole;

the front half clamping mould further comprises a mould body, a cover body clamping part, a valve plate through hole upright placing cavity, a base forming cavity, a second valve shaft mounting half channel and a connecting cavity, wherein the cover body clamping part, the valve plate through hole upright placing cavity, the base forming cavity, the second valve shaft mounting half channel and the connecting cavity are arranged on the mould body on the other side of the half molten iron pouring channel, the cover body clamping part is formed in the top and the bottom of the mould body in a symmetrical mirror image mode, when the front half clamping mould and the rear half clamping mould are mounted in a tight clamping mode, an upper gland and a lower gland can be mounted on the correspondingly arranged cover body clamping part in a tight clamping mode, the middle of the mould body between the upper cover body clamping part and the lower cover body clamping part is provided with the valve plate through hole upright placing cavity, the valve plate through hole upright can be placed in the valve plate through hole upright placing cavity, the valve plate through hole upright is arranged with the inner wall of the valve plate through hole upright placing cavity at intervals, the valve plate through hole upright placing cavity is horizontally arranged on one side of the mould body close to the half molten iron pouring channel, the valve plate through hole upright placing cavity is provided with the second valve shaft mounting half channel, the mould body is provided with the base forming cavity, the valve shaft mounting half channel is arranged in the mould body, and the valve shaft connecting cavity, and the first valve shaft mounting half channel is arranged in the mould body.

2. The butterfly valve body production system of claim 1, wherein: the threaded connection through holes are formed in the two horizontal ends of the connection top plate in a symmetrical mode along the horizontal direction, the side plate threaded connection through holes are formed in the connection side plate and correspond to the threaded connection through holes, the side plate threaded connection through holes are formed in the vertical direction at intervals, and the connection top plate and the connection side plate are detachably mounted together through bolts which are in threaded engagement and penetrate into the threaded connection through holes and the side plate threaded connection through holes.

3. The butterfly valve body production system of claim 1, wherein: the barrel body of the die reaction and transportation equipment comprises a barrel body, a high-temperature-resistant heat-insulation coating layer and a high-temperature-resistant anti-corrosion coating layer, wherein the high-temperature-resistant anti-corrosion coating layer is fixedly installed on the inner surface of the barrel body, and the high-temperature-resistant heat-insulation coating layer is fixedly installed on the outer surface of the barrel body.

4. A production system for a butterfly valve body according to any of claims 1 to 3, characterized in that: the bottom and the material input end of the elevator body are both arranged below the ground.