CN106863574B - Self-locking turnover high-pressure forming machine - Google Patents
Self-locking turnover high-pressure forming machine Download PDFInfo
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- CN106863574B CN106863574B CN201710199410.7A CN201710199410A CN106863574B CN 106863574 B CN106863574 B CN 106863574B CN 201710199410 A CN201710199410 A CN 201710199410A CN 106863574 B CN106863574 B CN 106863574B
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- locking
- mould
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- oil cylinder
- forming machine
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/02—Feeding the unshaped material to moulds or apparatus for producing shaped articles
- B28B13/021—Feeding the unshaped material to moulds or apparatus for producing shaped articles by fluid pressure acting directly on the material, e.g. using vacuum, air pressure
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B13/00—Feeding the unshaped material to moulds or apparatus for producing shaped articles; Discharging shaped articles from such moulds or apparatus
- B28B13/04—Discharging the shaped articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0002—Auxiliary parts or elements of the mould
- B28B7/0014—Fastening means for mould parts, e.g. for attaching mould walls on mould tables; Mould clamps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B7/00—Moulds; Cores; Mandrels
- B28B7/0029—Moulds or moulding surfaces not covered by B28B7/0058 - B28B7/36 and B28B7/40 - B28B7/465, e.g. moulds assembled from several parts
- B28B7/0035—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding
- B28B7/0044—Moulds characterised by the way in which the sidewalls of the mould and the moulded article move with respect to each other during demoulding the sidewalls of the mould being only tilted away from the sidewalls of the moulded article, e.g. moulds with hingedly mounted sidewalls
Abstract
The invention relates to a self-locking turnover high-pressure forming machine, which comprises a main frame used for carrying an integral mechanism, a mould trolley A and a mould trolley B used for bearing the movement of a mould, a main machine substrate, a middle substrate and a tail end substrate used for fixing the mould, a self-locking mechanism used for self-locking the mould, a turnover mechanism used for turnover of the mould, a mould opening and closing mechanism used for opening and closing the mould, a slurry pressurizing mechanism used for pressurizing slurry, a hydraulic device used for providing hydraulic power for the self-locking mechanism, a pressure sensor and a control device. The self-locking turnover high-pressure forming machine disclosed by the invention has the advantages that the die is automatically opened and closed, turnover is uniformly released, and the comprehensive operation efficiency of equipment is improved; the self-locking mechanism has simple structure and convenient use, and can effectively reduce the consumption of manpower, material resources and financial resources.
Description
Technical Field
The invention relates to the technical field of ceramic forming machines, in particular to a self-locking turnover high-pressure forming machine.
Background
At present, the high-pressure forming equipment of the face washer of domestic and foreign ceramic production enterprises, which generally adopts a suspension type mounting structure, keeps a vertical state after a mould is mounted, does not have the turning function, has poor repeated positioning functionality of the mould, and is not easy to push automatic production; because the design structure influences the equipment demoulding, the demoulding can be carried out one by one, the comprehensive operation efficiency of the equipment is seriously influenced, and the mould base plate movement and the mould locking pressing force of the grouting equipment of the high-pressure forming machine of the wash basin are completed by one hydraulic station; when the die is closed, the hydraulic station has low pressure and large flow, and when the die is locked, the hydraulic station has high pressure and small flow, so that the volume of the hydraulic station is large when the hydraulic station is designed, the volume of an oil tank is 500-800L, the length of a hydraulic cylinder is longer by about 1-2m, a hydraulic pipeline system and a control system are complicated, the power consumption is large, hydraulic oil leakage control points are many, the die closing speed is low, the comprehensive operation efficiency of the system is low, and the operation and maintenance are complicated. The locking reaction force is supported by the equipment frame, so that the equipment has large material selection specification, high equipment manufacturing/mounting operation strength and waste of manpower, material resources and financial resources.
Disclosure of Invention
The invention provides a self-locking turnover high-pressure forming machine, aiming at overcoming the defects of low automation level, low comprehensive operation efficiency of equipment, large hydraulic system, large occupied area and difficult installation and maintenance of the existing high-pressure forming machine, and aiming at solving the defects in the prior art, the technical problem to be solved by the invention is realized by the following technical scheme.
A self-locking turnover high-pressure forming machine comprises a main frame used for carrying an integral mechanism, a mould trolley A and a mould trolley B used for bearing movement of a mould, a main machine substrate, a middle substrate and a tail end substrate used for fixing the mould, a self-locking mechanism used for self-locking the mould, a turnover mechanism used for turnover of the mould, a mould opening and closing mechanism used for opening and closing the mould, a slurry pressurizing mechanism used for pressurizing slurry, a hydraulic device used for providing hydraulic power for the self-locking mechanism, a pressure sensor and a control device;
the self-locking mechanism comprises a clamping oil cylinder arranged on a host machine substrate, a locking head B is arranged at the end part of an oil cylinder pull rod of the clamping oil cylinder, and the locking head B is an oval female port; the self-locking mechanism also comprises a pneumatic control box arranged on one side of the tail end substrate close to the mould trolley A, a fixed sleeve arranged on the tail end substrate, a rotary cylinder arranged on the fixed sleeve opposite to the side of the middle substrate and connected with the pneumatic control box, and a movable sleeve arranged on the other side of the fixed sleeve, wherein the movable sleeve and the fixed sleeve are in threaded connection through internal threads and external threads; after the locking head A and the locking head B are inserted, the rotating cylinder drives the rotating rod to rotate by 90 degrees, so that the self-locking mechanism is in a locking state; the locking position detection switch detects a locking state signal and transmits the signal to the control device, the control device controls the hydraulic device to start up to provide hydraulic power for the clamping oil cylinder, the clamping oil cylinder drives the oil cylinder pull rod to retract, the pressure sensor detects the pressure and transmits the signal to the control device, and the control device controls the hydraulic device to realize the control of the hydraulic pressure;
the turnover mechanism comprises a turnover speed reducer arranged on a walking frame of the die trolley A, and the walking frame of the die trolley A is positioned on the main rack; the overturning speed reducer is connected with the middle substrate to realize the overturning of the middle substrate;
the mould opening and closing mechanism comprises a mould opening and closing speed reducer and a mould opening and closing driving chain, and the mould opening and closing driving chain is meshed with a mould trolley A and a mould trolley B which are positioned on two sides of the tail end base plate and is meshed with a gear of an output shaft of the mould opening and closing speed reducer; the die opening and closing speed reducer drives the chain to rotate forward and backward so as to realize the left and right movement of the terminal substrate and complete the die opening and closing operation;
the mud pressurizing mechanism comprises a mud tank, a booster pump and a control valve, and the mud is injected into the mud tank, pressurized to 0.8-1.5MPa by the booster pump and then pushed into the mold by high-pressure air, so that high-pressure grouting is realized;
the high-pressure forming machine also comprises a lifting stripping vehicle and a traveling track for the lifting stripping vehicle to move back and forth.
Furthermore, the end part of the oil cylinder pull rod is provided with an external thread, an adjusting nut in threaded fit with the external thread is arranged on the external thread, one end of the locking head B is provided with an internal thread matched with the external thread, and the connecting amount between the locking head B and the oil cylinder pull rod is adjusted through the adjusting nut.
Furthermore, the self-locking mechanism further comprises a magnetic sensing switch, the magnetic sensing switch comprises a magnetic ring arranged on the cylinder body of the rotary cylinder and a magnetic sensor for detecting the position of the magnetic ring, and the magnetic sensor transmits a detected signal to the control device so as to accurately control the position of the locking head A.
Furthermore, a shaft shoulder is arranged at the contact part of the rotating rod of the rotating cylinder and the tail end base plate, so that the clamping pressing force of the mold is borne by the tail end base plate and the rotating rod to reduce the radial load of the clamping pressing force.
Furthermore, the rotary cylinder is connected with the fixed sleeve through a bolt.
Furthermore, the clamping cylinder is a short-stroke cylinder.
Furthermore, the hydraulic device is a compact hydraulic station with 0-70 MPa.
When the anti-breaking mold is used specifically, the mold closing precision is adjusted through the precession amount of the movable sleeve and the fixed sleeve, and a necessary anti-breaking function is provided for initial debugging of the mold. Because the self-locking mechanism is only arranged on the host machine substrate and the tail end substrate, the two requirements can meet the clamping force of the mold locking, and the design of the mold mounting frame only needs to meet the requirement of the weight bearing, the frame of the molding machine is simpler, and the equipment cost is greatly reduced. The setting of magnetic sensing switch, the accurate position with locking head A transmits to controlling means, and guarantee system operation security prevents that revolving cylinder from not being in place to lead to equipment to damage.
The invention can simultaneously overturn and demould a plurality of sets of moulds on the same machine, improves the comprehensive operation efficiency of the equipment and provides basic conditions for realizing the full-automatic operation of the equipment; the invention changes the mode of locking the original super-large stroke oil cylinder and the huge hydraulic station into the mode of a short stroke oil cylinder and a compact hydraulic station. According to the invention, the original locking mode is changed, and the original large-scale frame structure is changed into a simple frame supporting structure mode, so that the steel consumption is saved, the design difficulty of a hydraulic system is reduced, and the design structure of a forming machine is improved. Because the oil cylinder with short stroke is adopted, the stroke of the oil cylinder is reduced, thereby solving the problem of low mold closing speed, improving the running efficiency of equipment and reducing the consumption of material resources and financial resources.
The self-locking turnover high-pressure forming machine disclosed by the invention can automatically open and close the die, turn over and demould uniformly, so that the comprehensive operation efficiency of equipment is improved; the self-locking mechanism has simple structure and convenient use, and can effectively reduce the consumption of manpower, material resources and financial resources.
Drawings
Fig. 1 is a schematic front view structure diagram of the self-locking turnover high-pressure forming machine of the invention;
FIG. 2 is a schematic top view of the self-locking turnover high-pressure forming machine of the present invention;
FIG. 3 is a left side view schematic structural diagram of the self-locking type turnover high-pressure forming machine of the present invention;
the reference numbers in the drawings are, in order: 1. the device comprises a main frame, 2, a clamping oil cylinder, 3, an oil cylinder pull rod, 4, a rotary air cylinder, 5, a mold opening and closing speed reducer, 6, a lifting and blank removing vehicle, 7, a walking track, 8, a main machine base plate, 9, a turnover speed reducer, 10, a middle base plate, 11, mold trolleys A,12, a pneumatic control box, 13, a tail end base plate, 14, mold trolleys B and 15, a mold opening and closing driving chain, 16 and a mud tank.
Detailed Description
The structural features of the present invention will be further explained with reference to the accompanying drawings and specific embodiments.
A self-locking turnover high-pressure forming machine comprises a main frame 1 used for carrying an integral mechanism, a mold trolley A11 and a mold trolley B14 used for bearing a mold to move, a main machine substrate 8 and a middle substrate 10 used for fixing the mold, a tail end substrate 13, a self-locking mechanism used for self-locking the mold, a turnover mechanism used for turnover of the mold, a mold opening and closing mechanism used for opening and closing the mold, a slurry pressurizing mechanism used for pressurizing slurry, a hydraulic device used for providing hydraulic power for the self-locking mechanism, a pressure sensor and a control device, wherein the self-locking mechanism comprises a clamping oil cylinder 2 arranged on the main machine substrate 8, a locking head B is arranged at the end part of an oil cylinder pull rod 3 of the clamping oil cylinder 2, and the locking head B is an oval female port; the self-locking mechanism further comprises a pneumatic control box 12 arranged on one side of the tail end substrate 13 close to the mould trolley A11, a fixed sleeve arranged on the tail end substrate 13, a rotary cylinder 4 arranged on the side of the fixed sleeve opposite to the middle substrate 10 and connected with the pneumatic control box, and a movable sleeve arranged on the other side of the fixed sleeve, wherein the movable sleeve and the fixed sleeve are in threaded connection through internal and external threads; after the locking head A and the locking head B are inserted, the rotating cylinder 4 drives the rotating rod to rotate by 90 degrees, so that the self-locking mechanism is in a locking state; the locking position detection switch detects a locking state signal and transmits the signal to the control device, the control device controls the hydraulic device to start to provide hydraulic power for the clamping oil cylinder 2, the clamping oil cylinder 2 drives the oil cylinder pull rod 3 to retract, the pressure sensor detects the pressure and transmits the signal to the control device, and the control device controls the hydraulic device to realize the control of the hydraulic pressure; the turnover mechanism comprises a turnover speed reducer 9 arranged on a walking frame of the die trolley A, and the walking frame of the die trolley A is positioned on the main rack 1; the overturning speed reducer 9 is connected with the intermediate substrate 10 to realize the overturning of the intermediate substrate 10; the mould opening and closing mechanism comprises a mould opening and closing speed reducer 5 and a mould opening and closing driving chain 15, wherein the mould opening and closing driving chain 15 is in gear engagement with a mould trolley A11 and a mould trolley B14 which are positioned at two sides of the tail end base plate 13 and is in gear engagement with a gear of an output shaft of the mould opening and closing speed reducer 5; the mold opening and closing speed reducer 5 drives the chain to rotate forward and backward so as to realize the left and right movement of the tail end substrate 13 and complete the mold opening and closing operation; the mud pressurizing mechanism comprises a mud tank 16, a booster pump and a control valve, and mud is injected into the mud tank 16, pressurized to 0.8-1.5MPa by the booster pump and then pushed into a mold by high-pressure air, so that high-pressure grouting is realized; the high-pressure forming machine also comprises a lifting stripping vehicle 6 and a traveling track 7 for the lifting stripping vehicle 6 to move back and forth; the end part of the oil cylinder pull rod 3 is provided with an external thread, the external thread is provided with an adjusting nut in threaded fit with the external thread, one end of the locking head B is provided with an internal thread matched with the external thread, and the connecting amount between the locking head B and the oil cylinder pull rod 3 is adjusted through the adjusting nut; the self-locking mechanism also comprises a magnetic sensing switch, the magnetic sensing switch comprises a magnetic ring arranged on the cylinder body of the rotary cylinder 4 and a magnetic sensor for detecting the position of the magnetic ring, and the magnetic sensor transmits a detected signal to the control device so as to accurately control the position of the locking head A; a shaft shoulder is arranged at the contact part of the rotating rod of the rotating cylinder 4 and the tail end substrate 13, so that the clamping pressing force of the mold is borne by the tail end substrate and the rotating rod to reduce the radial load of the mold; the rotary cylinder 4 is connected with the fixed sleeve through a bolt; the clamping oil cylinder is a 2-position short-stroke oil cylinder; the hydraulic device is a compact hydraulic station with 0-70 MPa.
When the die is closed, the die opening and closing speed reducer 5 rotationally pulls the die opening and closing driving chain 15, the chain drives the die trolley to enable the tail end substrate to move towards the side of the main machine substrate, the middle substrates are folded one by one, after the tail end substrate reaches a closing position, the rotary cylinder drives the locking head A to rotate from 0 degree to 90 degrees, the locking head A and the locking head B are in a locking state, the locking position detection switch transmits signals to the control device, the hydraulic system is started, and the clamping oil cylinder 2 retracts to enable the die to be locked; and starting the slurry pressurizing mechanism, injecting slurry into the mold, introducing compressed air pressurized by a booster pump into the slurry tank after the slurry injection is finished, enabling the slurry pressure to reach 0.8-1.5MPa, realizing high-pressure slurry injection, and finishing the slurry injection process cycle according to the preset time. When the mold is opened, the hydraulic device is started to enable the oil cylinder pull rod 3 of the clamping oil cylinder 2 to extend out, the pressure sensor transmits a position signal back to the control device, the rotary air cylinder is in an open state from 90-degree rotation to 0-degree locking head, the mold opening and closing speed reducer 5 is started at the moment, the mold trolley drives the tail end base plate to pull the molds one by one under the drive of the chain, after the mold opening position is reached, the overturning speed reducer rotates, the molds are overturned from a vertical state to a horizontal state, the lifting knockout vehicle enters the lower part of the molds and rises to a demolding position, and the lifting knockout vehicle cooperates with the molds to perform knockout descending to complete the knockout process.
The technical scheme adopted by the invention for solving the technical problems changes the original modes of vertical grouting, vertical demoulding, pulling one by one, demoulding one by one, super-large stroke oil cylinders and large hydraulic station mould locking into the modes of unified mould opening and closing and unified rotary demoulding, and adopts the modes of short stroke oil cylinders and compact hydraulic stations to lock and unlock the high-pressure forming machine. The invention changes the original demoulding and locking mode of the high-pressure forming machine from the original one-by-one same-line large-scale frame structure to the unified demoulding and simple frame supporting structure mode, improves the automation level and the comprehensive operation rate of the equipment, saves the steel consumption, reduces the design difficulty of a hydraulic system and improves the design structure of the forming machine. Due to the adoption of the overturning structure and the short-stroke oil cylinder, the stroke of the oil cylinder is reduced, so that the problems of low demolding automation degree and low mold opening and closing speed are solved, the equipment operation efficiency is improved, and the consumption of material resources and financial resources is reduced.
The above-described embodiment merely represents one embodiment of the present invention, but is not to be construed as limiting the scope of the present invention. It should be noted that numerous variations and modifications could be made by those skilled in the art without departing from the spirit of the invention. All falling within the scope of the present invention.
Claims (7)
1. The utility model provides a from locking-type upset high pressure forming machine, including main frame (1) that is used for whole mechanism to carry on, a mould dolly A (11) and mould dolly B (14) that are used for bearing the weight of the mould removal, a host computer base plate (8) and middle base plate (10) and end base plate (13) that are used for fixed mould, a self-locking mechanism for the mould auto-lock, a tilting mechanism for the mould upset, a mould mechanism that opens and shuts that is used for the mould to open and shut, a mud loading system for pressurization mud, a hydraulic means and pressure sensor and the controlling means that are used for providing hydraulic power for self-locking mechanism, its characterized in that:
the self-locking mechanism comprises a clamping oil cylinder (2) arranged on a host machine substrate (8), a locking head B is arranged at the end part of an oil cylinder pull rod (3) of the clamping oil cylinder (2), and the locking head B is an oval female port; the self-locking mechanism further comprises a pneumatic control box (12) arranged on one side of a tail end substrate (13) close to the mold trolley A (11), a fixed sleeve arranged on the tail end substrate (13), a rotary cylinder (4) arranged on the side of the fixed sleeve opposite to the middle substrate (10) and connected with the pneumatic control box, and a movable sleeve arranged on the other side of the fixed sleeve, wherein the movable sleeve and the fixed sleeve are in threaded connection through internal and external threads; after the locking head A and the locking head B are inserted, the rotating cylinder (4) drives the rotating rod to rotate by 90 degrees, so that the self-locking mechanism is in a locking state; the locking position detection switch detects a locking state signal and transmits the signal to the control device, the control device controls the hydraulic device to start up to provide hydraulic power for the clamping oil cylinder (2), the clamping oil cylinder (2) drives the oil cylinder pull rod (3) to retract, the pressure sensor detects the pressure and transmits the signal to the control device, and the control device controls the hydraulic device to realize the control of the hydraulic pressure;
the turnover mechanism comprises a turnover speed reducer (9) arranged on a walking frame of the die trolley A, and the walking frame of the die trolley A is positioned on the main rack (1); the overturning speed reducer (9) is connected with the middle substrate (10) to realize the overturning of the middle substrate (10);
the mould opening and closing mechanism comprises a mould opening and closing speed reducer (5) and a mould opening and closing driving chain (15), wherein the mould opening and closing driving chain (15) is in gear engagement with a mould trolley A (11) and a mould trolley B (14) which are positioned on two sides of the tail end base plate (13) and is in gear engagement with a gear of an output shaft of the mould opening and closing speed reducer (5); the mould opening and closing speed reducer (5) drives the chain to rotate forward and backward so as to realize the left and right movement of the tail end base plate (13) to complete the mould opening and closing operation;
the mud pressurizing mechanism comprises a mud tank (16), a booster pump and a control valve, and mud is injected into the mud tank (16), pressurized to 0.8-1.5MPa by the booster pump and then pushed into a mold by high-pressure air, so that high-pressure grouting is realized;
the high-pressure forming machine also comprises a lifting stripping vehicle (6) and a traveling track (7) for the lifting stripping vehicle (6) to move back and forth.
2. The self-locking turnover high-pressure forming machine according to claim 1, characterized in that: the end part of the oil cylinder pull rod (3) is provided with an external thread, an adjusting nut in threaded fit with the external thread is arranged on the external thread, one end of the locking head B is provided with an internal thread matched with the external thread, and the connecting amount between the locking head B and the oil cylinder pull rod (3) is adjusted through the adjusting nut.
3. The self-locking turnover high-pressure forming machine according to claim 1, characterized in that: the self-locking mechanism also comprises a magnetic sensing switch, the magnetic sensing switch comprises a magnetic ring arranged on the cylinder body of the rotary cylinder (4) and a magnetic sensor for detecting the position of the magnetic ring, and the magnetic sensor transmits a detected signal to the control device so as to accurately control the position of the locking head A.
4. The self-locking turnover high-pressure forming machine according to claim 1, characterized in that: and a shaft shoulder is arranged at the contact part of a rotating rod of the rotating cylinder (4) and the tail end base plate (13), so that the clamping pressing force of the mold is borne by the tail end base plate and the rotating rod to reduce the radial load of the clamping pressing force.
5. The self-locking turnover high-pressure forming machine according to any one of claims 1 to 4, characterized in that: the rotary cylinder (4) is connected with the fixed sleeve through a bolt.
6. The self-locking turnover high-pressure forming machine according to any one of claims 1 to 4, characterized in that: the clamping oil cylinder (2) is a short-stroke oil cylinder.
7. The self-locking turnover high-pressure forming machine according to any one of claims 1 to 4, characterized in that: the hydraulic device is a compact hydraulic station with 0-70 MPa.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710199410.7A CN106863574B (en) | 2017-03-30 | 2017-03-30 | Self-locking turnover high-pressure forming machine |
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| CN201710199410.7A CN106863574B (en) | 2017-03-30 | 2017-03-30 | Self-locking turnover high-pressure forming machine |
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| CN106863574A CN106863574A (en) | 2017-06-20 |
| CN106863574B true CN106863574B (en) | 2022-11-29 |
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| CN107415041B (en) * | 2017-09-27 | 2022-12-09 | 刘子建 | Arm lock formula multistation high pressure slip casting machine |
| CN108789784B (en) * | 2018-07-09 | 2020-03-17 | 中国建材检验认证集团(陕西)有限公司 | Mould carrying device suitable for sanitary ceramic automatic production line |
| CN108972842A (en) * | 2018-07-27 | 2018-12-11 | 上海建工材料工程有限公司 | A kind of rollover hot-die platform system and its application method |
| CN111605038B (en) * | 2020-06-18 | 2022-03-11 | 唐山贺祥智能科技股份有限公司 | Full-automatic turnover type toilet seat multi-blank high-pressure production process |
| CN113386248A (en) * | 2021-08-02 | 2021-09-14 | 安阳市联发科技有限责任公司 | Automatic isolation pier template of drawing of patterns |
| CN114951617B (en) * | 2022-05-19 | 2023-04-18 | 浙江万丰科技开发股份有限公司 | Multi-station rotary gravity casting system based on mechanical self-locking |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4005972A (en) * | 1975-04-04 | 1977-02-01 | Bearingwall Systems Inc. | Invertible apparatus for molding a concrete panel |
| JP2000025027A (en) * | 1998-07-13 | 2000-01-25 | Inax Corp | Treating device for green basis forming body |
| CN101244581A (en) * | 2008-03-14 | 2008-08-20 | 沈宪光 | Lightweight composite wall panel moulding apparatus and product line |
| CN105365030A (en) * | 2015-10-09 | 2016-03-02 | 成霖企业股份有限公司 | High-pressure grouting molding manufacturing process of toilet bowl, molding die of high-pressure grouting molding manufacturing process and ceramic toilet bowl |
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| CN206623206U (en) * | 2017-03-30 | 2017-11-10 | 唐山贺祥机电股份有限公司 | Self-locking overturns high-pressure forming machine |
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