CN111702153A - Movable casting production line for lifting of iron weights - Google Patents
Movable casting production line for lifting of iron weights Download PDFInfo
- Publication number
- CN111702153A CN111702153A CN202010698240.9A CN202010698240A CN111702153A CN 111702153 A CN111702153 A CN 111702153A CN 202010698240 A CN202010698240 A CN 202010698240A CN 111702153 A CN111702153 A CN 111702153A
- Authority
- CN
- China
- Prior art keywords
- lifting
- sand mold
- weight
- transfer trolley
- mold transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/06—Burdening or relieving moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D35/00—Equipment for conveying molten metal into beds or moulds
- B22D35/04—Equipment for conveying molten metal into beds or moulds into moulds, e.g. base plates, runners
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D47/00—Casting plants
- B22D47/02—Casting plants for both moulding and casting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casting Devices For Molds (AREA)
Abstract
The invention discloses a weight lifting movable casting production line, which comprises: the sand mold transfer trolley is used for bearing sand mold movement; the sand mold transfer trolley conveying line comprises a production line track on which the sand mold transfer trolley moves and runs; the pouring mechanism is used for pouring into a sand mold cavity on the sand mold transfer trolley and is arranged corresponding to the sand mold transfer trolley conveying line; and the weight lifting and moving mechanism is used for bearing the weight to lift and move along the production line, comprises a lifting structure and a bearing part which is arranged on the lifting structure and used for bearing the weight, and the lifting structure can be arranged along the sand mold transfer trolley conveying line in a reciprocating manner. The lifting platforms on two sides of the casting production line bear the weights to move to the pouring position or the position before pouring to fall down, the weights are automatically compressed before pouring, recycling of the weights is efficient and convenient, boxes are prevented from being lifted in the initial pouring and product condensation stages, safety production is achieved, and quality of cast products is guaranteed.
Description
Technical Field
The invention relates to the technical field of casting production lines, in particular to a casting production line with a lifting and moving type compacted iron.
Background
In the field of metal casting, during the instant when high-temperature molten metal is injected into a casting cavity and the initial stage of condensation molding (about 3 minutes), the safe production is affected and the product quality is reduced due to the fact that a large amount of hot gas is emitted and the box is lifted easily.
Adopt the manpower to carry the weight to realize that the casting mould compresses tightly in traditional casting production to avoid appearing lifting the case. With the gradual popularization of the casting production line, because the casting equipment is technically limited, a large number of pouring boxes and weights need to be configured to manually compress the casting mould, the labor intensity is high, and the efficiency is low; also adopt mechanical device to accomplish the installation and demolish of pouring jacket, weight on the casting production line, but this equipment structure, function are complicated, and occupation space is big, and the installation of being not convenient for arrange, and input resource and cost are great, have also increased the degree of difficulty of equipment daily maintenance.
Particularly, when a casting machine is adopted to produce a large batch of cast products on a casting production line, due to the limitation of equipment technology and the limitation of production space, the installation of the weights cannot be completed manually, and the installation of the weights cannot be completed by machines and the like, so that the development of the industry is severely limited.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a weight lifting movable casting production line, so as to achieve the purpose of automatically pressing the weight before pouring.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
this portable casting production line of weight lift includes:
the sand mold transfer trolley is used for bearing sand mold movement;
the sand mold transfer trolley conveying line comprises a production line track on which the sand mold transfer trolley moves and runs;
the pouring mechanism is used for pouring into a sand mold cavity on the sand mold transfer trolley and is arranged corresponding to the sand mold transfer trolley conveying line;
and the weight lifting and moving mechanism is used for bearing the weight to lift and move along the production line, comprises a lifting structure and a bearing part which is arranged on the lifting structure and used for bearing the weight, and the lifting structure can be arranged along the sand mold transfer trolley conveying line in a reciprocating manner.
Furthermore, the lifting structures are a pair of lifting structures which are oppositely arranged side by side, the pair of lifting structures are respectively positioned at two sides of the sand mould transfer trolley conveying line, and the bearing part is a pair of lifting platforms arranged at the tops of the two lifting structures.
The weight lifting and moving mechanism further comprises a rack capable of moving back and forth along the sand mold transfer trolley conveying line and a driving structure for driving the rack to move, and the lifting structure is arranged on the rack.
The lifting structure is a lifting frame arranged on one side of the sand mold transfer trolley conveying line, the bearing part comprises a bearing frame for bearing the weight and a telescopic cylinder for driving the bearing frame to stretch, the telescopic cylinder is arranged on the lifting frame, and the stretching direction of the bearing frame is perpendicular to the running direction of the sand mold transfer trolley conveying line.
The sand mold transfer trolley conveying line is characterized by also comprising a molding machine arranged corresponding to the sand mold transfer trolley conveying line, and the weight lifting and moving mechanism and the pouring mechanism are arranged behind the molding machine according to the running direction of the sand mold transfer trolley conveying line.
The production line track comprises two layers of tracks or more than two layers of tracks which are arranged up and down, and the bearing part is arranged correspondingly to the weight on the track on the uppermost layer.
The pouring mechanism comprises a pouring trolley track and a pouring machine which is arranged on the pouring trolley track and can move, and the pouring trolley track and the track of the casting mold transfer trolley conveying line are arranged side by side.
And the lifting platform is provided with a positioning structure for positioning the weight.
The positioning structure is a stop block arranged on the upper surface of the lifting platform, and the two stop blocks on the two lifting platforms are oppositely arranged.
The lifting structure comprises a movable base, a lifting ladder and a lifting cylinder for driving the lifting ladder to lift, the lower end of the lifting ladder is arranged on the movable base, and a lifting platform is arranged at the top of the lifting ladder.
The frame comprises two side frames, the tops of the two side frames are connected through a connecting frame, the connecting frame is located above a track of a sand mold transfer trolley conveying line, and rollers for moving are arranged at the bottoms of the side frames.
The sand mould transfer trolley is characterized by further comprising a stand column, wherein a lifting structure rail is arranged on the stand column, the lifting structure rail and a rail of a sand mould transfer trolley conveying line are arranged side by side, and rollers at the bottom of the side frame are arranged on the lifting structure rail.
The driving structure is a reciprocating cylinder, and a piston rod of the reciprocating cylinder is connected with a side frame of the rack.
The driving structure comprises a driving motor, a driving wheel and a transmission chain, wherein the driving motor is provided with a driving wheel, the side frame is provided with the transmission wheel, and the driving wheel is connected with the transmission wheel through the transmission chain.
The pair of lifting structures are respectively arranged at the end parts of the corresponding side frames.
The sand mold transfer trolley conveying line comprises a rail station column, a production line rail is arranged on the rail station column, and the stand column is located on the outer side of the rail station column.
The top of crane is equipped with and is used for bearing the spacing rail groove structure of frame removal.
The bearing frame comprises a bearing arm and bearing rods arranged at two ends of the bearing arm side by side, the bearing arm is connected with a piston rod of the telescopic cylinder, and a guide rod is arranged between the bearing arm and the top of the lifting frame.
The casting machine comprises a casting machine support and a heat preservation furnace arranged on the casting machine support, the bottom of the casting machine support is arranged on a casting vehicle track, a buffer used for buffering casting metal liquid is arranged below the heat preservation furnace, and the buffer is movably arranged on the casting machine support.
And a buffer track and a buffer driving cylinder for driving the buffer are arranged on the casting machine support along the conveying line direction of the casting mold transfer trolley, and the buffer can be movably arranged on the buffer track.
Compared with the prior art, the invention has the following advantages:
the weight lifting movable casting production line is reasonable in structural design, the lifting platforms on the two sides of the casting production line bear the weight to move to the pouring position or fall down from the pouring position, automatic pressing of the weight before pouring is achieved, recycling of the weight is efficient and simple, box lifting in the initial pouring and product condensation stage is avoided, safe production is achieved, and quality of cast products is guaranteed; and simple structure, little easy layout installation of occupation space to and the weight that needs the configuration is small in quantity, with low costs.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
FIG. 1 is a schematic view of a portion of a casting line according to the present invention.
Fig. 2 is a schematic sectional view of the weight lifting and moving mechanism in fig. 1.
Fig. 3 is a schematic view of the mechanism for lifting and moving the weight according to the present invention.
In the figure:
1. a production line; 11. a layer of track line; 12. two layers of track lines; 13. a rail standing post;
2. a casting machine; 21. pouring a pull rod; 22. pouring truck; 23. pouring a vehicle track; 24. an electric control cabinet; 25. a holding furnace;
3. a pouring buffer mechanism; 31. a buffer; 32. a buffer seat; 33. a damper drive cylinder; 34. a buffer track;
4. conveying the sand mold transfer trolley; 41. a sand mold transfer trolley; 42. a transfer trolley roller;
5. pressing iron;
6. a weight lifting and moving mechanism; 61. a frame; 611. moving the base; 612. a roller; 613. a connecting frame; 62. an elevator; 621. a lifting structure; 622. a lift cylinder; 623. a lifting platform; 624. a lifting base; 625. a stopper; 63. a lifting structure track; 64. a column; 651. a drive motor; 652. a driving wheel; 653. 654, 655, 656 and a driving wheel; 657. a transmission chain fixing seat; 658. a transmission chain tensioning seat; 659. a drive chain;
7. and (5) sand molding.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 to 3, the weight lifting type casting line includes a sand mold transfer vehicle 41, a sand mold transfer vehicle transfer line 4, a pouring mechanism, a molding machine, and a weight lifting movement mechanism 6.
The sand mold transfer trolley 41 is used for bearing the sand mold 7 to move; the sand mold transfer trolley conveying line comprises a production line track on which the sand mold transfer trolley moves and runs, and the lower part of the sand mold transfer trolley is provided with a transfer trolley roller 42 on the production line track; the pouring mechanism is used for pouring into a sand mold cavity on the sand mold transfer trolley and corresponds to the sand mold transfer trolley conveying line; the weight lifting and moving mechanism is used for bearing the weight 5 to lift and move along the production line and is arranged corresponding to the section of the casting machine on the casting line; the weight lifting and moving mechanism comprises a lifting structure and a bearing part which is arranged on the lifting structure and used for bearing the weight, and the lifting structure can be arranged along the sand mould transfer trolley conveying line in a reciprocating manner.
The molding machine is used for manufacturing sand molds, the manufactured sand molds are pushed to a sand mold transfer trolley on the sand mold transfer conveying line, and the weight lifting and moving mechanism and the pouring mechanism are arranged behind the molding machine according to the running direction of the sand mold transfer trolley conveying line.
The pouring mechanism comprises a pouring trolley track 23 and a pouring machine 2 which is arranged on the pouring trolley track and can move, and the pouring trolley track and the track of the casting mold transfer trolley conveying line are arranged side by side.
Preferably, the production line 1 shown in fig. 1 comprises two layers of lines, namely a first layer of track line 11 and a second layer of track line 12, wherein the tracks of the two layers of lines are fixed through track station columns 13, and a lifting transition transfer structure for transiting and transferring casting mold transfer trolleys on different tracks is arranged between the corresponding end parts of the first layer of track line and the second layer of track line; the lifting transition transfer mechanism comprises a rack, a lifting trolley and a lifting driving cylinder for driving the lifting trolley to lift, the lifting trolley is arranged on the rack in a lifting mode, a transfer trolley track which is in butt joint with the production line track is arranged on the lifting trolley, and a pushing cylinder for pushing the transfer trolley to transfer on the transfer trolley track is further arranged on the lifting trolley.
The production line track comprises two layers of tracks or more than two layers of tracks which are arranged up and down, and the bearing part is arranged corresponding to the weight iron on the track on the uppermost layer.
The lifting structures 621 are a pair of lifting structures arranged oppositely side by side, the pair of lifting structures are respectively positioned at two sides of the sand mold transfer trolley conveying line, and the bearing part is a pair of lifting platforms 623 arranged at the tops of the two lifting structures.
The weight lifting and moving mechanism further comprises a frame 61 capable of moving back and forth along the sand mold transfer trolley conveying line and a driving structure for driving the frame to move, and the lifting structure is arranged on the frame.
The lifting structure comprises a movable base 611, a lifting ladder 62 and a lifting cylinder 622 for driving the lifting ladder to lift, the lower end of the lifting ladder is arranged on the movable base, and a lifting platform 623 is arranged at the top of the lifting ladder; the lifting cylinders 622 on the two sides are synchronously controlled, the two lifting ladders lift synchronously, the lifting platform lifts to bear the weights, so that the weights are separated from the sand mold, the lifting structure moves the pouring position or the position before pouring, the lifting platform descends, and the weights are pressed on the sand mold before pouring.
The lifting platform is provided with a positioning structure for positioning the weight; the locating structure is a stop block 625 arranged on the upper surface of the lifting platform, two stop blocks on the two lifting platforms are arranged oppositely, the side edge of the weight is limited through the stop blocks, and the weight is convenient to place and locate.
Preferably, the machine frame comprises two side frames, the tops of the two side frames are connected through a connecting frame 613, the connecting frame is positioned above a track of the sand mold transfer trolley conveying line, and the bottoms of the side frames are provided with rollers 612 for movement; the weight lifting and moving mechanism further comprises a stand column 64, wherein a lifting structure rail is arranged on the stand column, the lifting structure rail 63 and a rail of a sand type transfer trolley conveying line are arranged side by side, and rollers at the bottom of the side frame are arranged on the lifting structure rail.
The driving structure is a reciprocating cylinder, and a piston rod of the reciprocating cylinder is connected with a side frame of the rack. Or the driving structure comprises a driving motor 651, driving wheels 653, 654, 655 and 656 and a transmission chain 659, the driving motor is provided with a driving wheel 652, the side frame is provided with the transmission wheel, the driving wheel and the transmission wheel are connected through the transmission chain, and the bottom of the side frame is provided with a transmission chain fixing seat 657 and a transmission chain tensioning seat 658.
A pair of lifting structures are respectively arranged at the end parts of the corresponding side frames, namely a pair of movable bases are arranged at the end parts of the side frames, the movable bases are arranged in an extending way, and the lifting base 624 at the bottom of the elevator is arranged on the movable bases, so that the structure is compact.
The sand mold transfer trolley conveying line comprises a rail station column, a production line rail is arranged on the rail station column, and the stand column is located on the outer side of the rail station column.
Casting machine 2 includes the casting machine support and establishes heat preservation stove 25 and the pouring pull rod 21 on the casting machine support, and the support top is equipped with switch board 24, and the bottom of casting machine support is equipped with pouring truck 22, and the pouring truck passes through the gyro wheel and establishes on pouring truck track 23, and the below of heat preservation stove is equipped with pouring buffer mechanism 3 that is used for buffering the pouring molten metal, and pouring buffer mechanism includes buffer 31 and the buffer driving cylinder 33 that is used for driving the buffer and removes, and the mobilizable establishment of buffer is on the casting machine support.
The support of the casting machine is provided with a buffer rail 34 and a buffer driving cylinder for driving the buffer along the conveying direction of the casting mould transfer trolley, the buffer rail is provided with a buffer seat 32, and preferably, the buffer seat is movably arranged on the buffer rail through a roller.
As shown in fig. 1, the weight lifting and moving mechanism carries the weight at point B to move to point a through the action of the transmission structure, and meanwhile, the driving cylinder of the pouring buffer mechanism works, and the buffer is away from the position of point a; and the lifting mechanism of the weight lifting and moving system descends to place the weight on the casting mold at the point A. And the weight lifting and moving system returns to the elevator and stops at the position of the B point, meanwhile, the driving cylinder of the buffer injection mechanism works, and the buffer returns to the position of the A point so as to facilitate pouring. And then the casting line moves for a beat, the elevator at the B point position rises, and after loading the weights on the casting mold at the B point, the weight lifting and moving system moves from the B point to the A point to perform the next casting mold pressing operation.
And the operation is circulated in sequence.
Or the lifting structure is a lifting frame arranged on one side of the sand mould transfer trolley conveying line, the bearing part comprises a bearing frame for bearing the weight and a telescopic cylinder for driving the bearing frame to stretch, the telescopic cylinder is arranged on the lifting frame, and the stretching direction of the bearing frame is perpendicular to the running direction of the sand mould transfer trolley conveying line.
The top of crane is equipped with and is used for bearing a weight of the spacing rail groove structure of removal, guarantees to bear the flexible stability of frame. The bearing frame comprises a bearing arm and bearing rods arranged at two ends of the bearing arm side by side, the bearing arm is connected with a piston rod of the telescopic cylinder, and a guide rod is arranged between the bearing arm and the top of the lifting frame.
Moving the lifting frame to the position B, extending out through the telescopic cylinder working bearing frame, enabling a bearing rod of the bearing frame to be located below the front edge and the rear edge of the weight, lifting the bearing frame by the lifting frame to lift the weight, moving the lifting frame to the position A, descending the lifting frame to place the weight on a sand mold before pouring, and driving the bearing frame to retract through the telescopic cylinder; and the operation is circulated in sequence.
Foretell weight portable casting production line that goes up and down has effectively solved the automatic compressing tightly before the casting machine pouring under limited space, simple structure, and the weight is small in quantity, and work is effective, has fully ensured the safety of pouring and the quality of casting product.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The invention is described above with reference to the accompanying drawings, it is obvious that the specific implementation of the invention is not limited by the above-mentioned manner, and it is within the scope of the invention to adopt various insubstantial modifications of the inventive concept and solution, or to apply the inventive concept and solution directly to other applications without modification.
Claims (10)
1. The utility model provides a portable casting production line of weight lift which characterized in that: the method comprises the following steps:
the sand mold transfer trolley is used for bearing sand mold movement;
the sand mold transfer trolley conveying line comprises a production line track on which the sand mold transfer trolley moves and runs;
the pouring mechanism is used for pouring into a sand mold cavity on the sand mold transfer trolley and is arranged corresponding to the sand mold transfer trolley conveying line;
and the weight lifting and moving mechanism is used for bearing the weight to lift and move along the production line, comprises a lifting structure and a bearing part which is arranged on the lifting structure and used for bearing the weight, and the lifting structure can be arranged along the sand mold transfer trolley conveying line in a reciprocating manner.
2. The weight lifting mobile casting line of claim 1, wherein: the lifting structures are a pair of lifting structures which are oppositely arranged side by side, the lifting structures are respectively positioned on two sides of the sand mould transfer trolley conveying line, and the bearing part is a pair of lifting platforms arranged at the tops of the two lifting structures.
3. The weight lifting mobile casting line of claim 1 or 2, characterized in that: the weight lifting and moving mechanism further comprises a rack capable of moving back and forth along the sand mold transfer trolley conveying line and a driving structure for driving the rack to move, and the lifting structure is arranged on the rack.
4. The weight lifting mobile casting line of claim 1, wherein: the lifting structure is a lifting frame arranged on one side of the sand mold transfer trolley conveying line, the bearing part comprises a bearing frame for bearing the weight and a telescopic cylinder for driving the bearing frame to stretch, the telescopic cylinder is arranged on the lifting frame, and the stretching direction of the bearing frame is perpendicular to the running direction of the sand mold transfer trolley conveying line.
5. The weight lifting mobile casting line of claim 1, wherein: the sand mold transfer trolley conveying line is characterized by also comprising a molding machine arranged corresponding to the sand mold transfer trolley conveying line, and the weight lifting and moving mechanism and the pouring mechanism are arranged behind the molding machine according to the running direction of the sand mold transfer trolley conveying line.
6. The weight lifting mobile casting line of claim 1, wherein: the production line track comprises two layers of tracks or more than two layers of tracks which are arranged up and down, and the bearing part is arranged correspondingly to the weight on the track on the uppermost layer.
7. The weight lifting mobile casting line of claim 1, wherein: the pouring mechanism comprises a pouring trolley track and a pouring machine which is arranged on the pouring trolley track and can move, and the pouring trolley track and the track of the casting mold transfer trolley conveying line are arranged side by side.
8. The weight lifting mobile casting line of claim 2, wherein: and the lifting platform is provided with a positioning structure for positioning the weight.
9. The weight lifting mobile casting line of claim 8, wherein: the positioning structure is a stop block arranged on the upper surface of the lifting platform, and the two stop blocks on the two lifting platforms are oppositely arranged.
10. The weight lifting mobile casting line of claim 2, wherein: the lifting structure comprises a movable base, a lifting ladder and a lifting cylinder for driving the lifting ladder to lift, the lower end of the lifting ladder is arranged on the movable base, and a lifting platform is arranged at the top of the lifting ladder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698240.9A CN111702153A (en) | 2020-07-20 | 2020-07-20 | Movable casting production line for lifting of iron weights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010698240.9A CN111702153A (en) | 2020-07-20 | 2020-07-20 | Movable casting production line for lifting of iron weights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111702153A true CN111702153A (en) | 2020-09-25 |
Family
ID=72546798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010698240.9A Pending CN111702153A (en) | 2020-07-20 | 2020-07-20 | Movable casting production line for lifting of iron weights |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111702153A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118431A (en) * | 2021-04-26 | 2021-07-16 | 机械工业第六设计研究院有限公司 | Automatic molding process of large casting |
-
2020
- 2020-07-20 CN CN202010698240.9A patent/CN111702153A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113118431A (en) * | 2021-04-26 | 2021-07-16 | 机械工业第六设计研究院有限公司 | Automatic molding process of large casting |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111186773A (en) | Automatic hoisting device for secondary maintenance of sleeper and control method thereof | |
| CN105437603B (en) | Forcing press full-automatic wireless changes the mold car and system | |
| WO2021088711A1 (en) | Sand casting production line | |
| CN212291502U (en) | Four-column type lifting die changing trolley | |
| CN212682411U (en) | Movable casting production line for lifting of iron weights | |
| CN107263699B (en) | Concrete prefabricated product production line | |
| CN111702153A (en) | Movable casting production line for lifting of iron weights | |
| CN111673070A (en) | Resin sand casting equipment and casting process | |
| CN104192554A (en) | Semi-automatic fixed die table PC component production system | |
| CN211758445U (en) | Casting production line | |
| CN111151739A (en) | Casting forming production line | |
| CN111151738A (en) | Casting production line | |
| CN212443219U (en) | Circulating casting production line of weight | |
| CN102717422A (en) | Small-sized brick press | |
| CN110814732A (en) | Automatic frame overturning machine | |
| CN207014539U (en) | A kind of concrete prefabricated product production line | |
| CN116945347A (en) | Toilet production line and working method | |
| CN212003206U (en) | Culvert lining cutting platform truck | |
| CN209953786U (en) | Casting sand box transfer device | |
| CN111790898A (en) | Iron-pressing circulating type casting production line | |
| US4588014A (en) | Foundry molding apparatus and method | |
| CN210100258U (en) | Lower rotary device of mold furnace after sintering and cooling of foamed ceramic | |
| CN111715870A (en) | Casting sand box transfer device | |
| CN211564481U (en) | Automatic sand mould pouring jacket dismounting device | |
| CN215796857U (en) | Sand mould cooling is with promoting transfer device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |