CN107457881B - Square brick machine without supporting plate - Google Patents
Square brick machine without supporting plate Download PDFInfo
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- CN107457881B CN107457881B CN201710919663.7A CN201710919663A CN107457881B CN 107457881 B CN107457881 B CN 107457881B CN 201710919663 A CN201710919663 A CN 201710919663A CN 107457881 B CN107457881 B CN 107457881B
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- 239000011449 brick Substances 0.000 title claims abstract description 110
- 230000001360 synchronised effect Effects 0.000 claims abstract description 141
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 239000000463 material Substances 0.000 claims description 55
- 230000000903 blocking effect Effects 0.000 claims description 15
- 238000009826 distribution Methods 0.000 claims description 15
- 230000005540 biological transmission Effects 0.000 claims description 14
- 238000010862 gear shaping Methods 0.000 claims description 12
- 230000007704 transition Effects 0.000 claims description 8
- 238000004519 manufacturing process Methods 0.000 abstract description 21
- 238000013461 design Methods 0.000 abstract description 14
- 239000012634 fragment Substances 0.000 abstract description 2
- 238000007493 shaping process Methods 0.000 abstract description 2
- 238000003825 pressing Methods 0.000 description 24
- 238000000034 method Methods 0.000 description 20
- 230000000694 effects Effects 0.000 description 11
- 239000004744 fabric Substances 0.000 description 11
- 238000000926 separation method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000012423 maintenance Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 4
- 238000004806 packaging method and process Methods 0.000 description 4
- 238000007670 refining Methods 0.000 description 4
- 230000001276 controlling effect Effects 0.000 description 3
- 230000001174 ascending effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000009827 uniform distribution Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009365 direct transmission Effects 0.000 description 1
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- 230000037431 insertion Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
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Classifications
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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
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/08—Producing shaped prefabricated articles from the material by vibrating or jolting
- B28B1/087—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould
- B28B1/0873—Producing shaped prefabricated articles from the material by vibrating or jolting by means acting on the mould ; Fixation thereof to the mould the mould being placed on vibrating or jolting supports, e.g. moulding tables
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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
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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
- B28B13/06—Removing the shaped articles from moulds
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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
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- 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
- B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
- B28B3/02—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein a ram exerts pressure on the material in a moulding space; Ram heads of special form
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Press-Shaping Or Shaping Using Conveyers (AREA)
Abstract
The invention discloses a square brick machine without a supporting plate, which comprises a frame and a movable frame, wherein the horizontal movable direction of the corresponding movable frame of the frame is divided into a brick making position and a demoulding brick stacking position; the movable frame is provided with a pressure head, a pressure head driving mechanism, a bottom die frame and a bottom die frame driving mechanism; the pressure head is arranged on the movable frame in a lifting manner through the pressure head driving mechanism, and the movable frame is provided with a linkage synchronous brake device which is linked with the pressure head to control the lifting and stable braking of the pressure head; the bottom die frame is arranged on the movable frame in a lifting manner through a bottom die frame driving mechanism; a multi-point variable frequency vibration system is arranged below the corresponding bottom die frame of the brick making position, and the multi-point variable frequency vibration system is provided with a square multi-point variable frequency vibration table; and a rotary lifting device is arranged below the corresponding bottom die frame of the demoulding brick stacking position. Through nimble innovative structural design, on the basis that brick machine performance is reliable and stable, realize square form and exempt from layer board brickmaking, simplified production greatly has the advantage of high quality, high efficiency, low cost production shaping fragment of brick concurrently.
Description
Technical Field
The invention relates to the technical field of brick machine equipment, in particular to a square brick machine without a supporting plate.
Background
At present, brick making equipment generally comprises a plate feeding mechanism, a brick machine (a brick making forming machine), a brick transmission mechanism, a stacking mechanism and the like; the brick machine mainly comprises a material distribution trolley, a pressing head driving mechanism, a die frame and a vibration platform. When the brick making is produced, the plate feeding mechanism conveys the flat plate-shaped supporting plate to the vibrating platform below the brick making forming machine, then, the die frame of the brick making machine is lowered to be overlapped on the supporting plate to form a die cavity, materials are fed into the die cavity through the material distribution trolley, the material distribution trolley returns after completing material distribution, the vibrating platform materials are vibrated to be compact, and then, the pressure head is pressed to the die frame to press the materials to form under the driving of the pressure head driving mechanism. When demoulding, the demoulding mechanism lifts up the mould frame to enable the mould frame to be separated from the formed brick, then the pressing head is lifted up, the supporting plate and the formed brick can be sent out through the brick transmission mechanism, and then the brick and the supporting plate are stacked through the stacking mechanism.
The brick making apparatus requires an effective cooperation of the individual mechanism parts, wherein the performance of the brick making machine connecting the individual mechanisms for direct forming of the bricks is critical. The existing brick machine has the problem of instability in operation, particularly the problem of instability in lifting and positioning of a pressing head, and finally the effective operation of the brick machine and the quality problem of the manufactured formed bricks can be influenced. Moreover, the existing brick machine is usually prepared by taking formed bricks which are not square (usually rectangular) as a mould, and the corresponding supporting plates and mould frames are of corresponding non-square structures, so that after the supporting plates and the formed bricks are sent out, a series of complicated procedures such as brick separation, stacking and the like are needed to be carried out, and the problems of long and occupied space of a production line, reduced production efficiency, increased production cost and the like exist. Moreover, the existing brick making forming machine is required to be provided with a large number of supporting plates, so that the service life of the supporting plates is not long, high-cost replacement is required, and more importantly, complicated procedures such as follow-up plate separation and plate collection are increased due to the existence of the supporting plates; the existence of the non-square bricks and the supporting plates is the key that the whole production line cannot be in place to simplify production.
Disclosure of Invention
The invention aims to provide a square brick machine without supporting plates, which realizes square brick making and supporting plate brick making on the basis of stable and reliable performance of the brick machine through flexible and innovative structural design, greatly simplifies production and has the advantages of high quality, high efficiency and low cost for producing formed bricks.
In order to achieve the above object, the solution of the present invention is:
a square brick machine without supporting plates comprises a frame and a movable frame horizontally movably arranged on the frame, wherein the corresponding movable frame of the frame is divided into a brick making position and a demoulding brick stacking position in the horizontal moving direction; the movable frame is provided with a pressure head, a pressure head driving mechanism, a bottom die frame and a bottom die frame driving mechanism; the pressure head is arranged on the movable frame in a lifting manner through the pressure head driving mechanism, and the movable frame is provided with a linkage synchronous brake device which is linked with the pressure head to control the lifting and stable braking of the pressure head; the bottom die frame is arranged on the movable frame in a lifting manner through a bottom die frame driving mechanism; a multi-point variable frequency vibration system is arranged below the corresponding bottom die frame of the brick making position, and the multi-point variable frequency vibration system is provided with a square multi-point variable frequency vibration table; and a rotary lifting device is arranged below the corresponding bottom die frame of the demoulding brick stacking position.
The multi-point variable frequency vibration system comprises a multi-point variable frequency vibration table, two vibration motors, an external vibration synchronous box and four variable frequency vibration groups; the output end of the two vibration motors is in transmission connection with the two synchronous input shafts of the external vibration synchronous box, the two synchronous output shafts of the external vibration synchronous box are in one-to-one corresponding pin joint with two groups of four groups of variable frequency vibration groups through connecting shafts, and the two groups of the four groups of variable frequency vibration groups are respectively connected with the other two groups of variable frequency vibration groups through synchronous connectors; the multi-point variable frequency vibrating table is uniformly divided into four areas, and four groups of variable frequency vibrating groups are symmetrically arranged in the four areas in a one-to-one correspondence manner; each variable frequency vibration group comprises a center shaft and two eccentric blocks which are arranged on the center shaft side by side.
The four variable frequency vibration groups are divided into two rows according to the arrangement and extension directions of the central axes, and the central axes of the two variable frequency vibration groups in each row are connected through a synchronous connector.
Four parallel four groups of mounting plates are arranged on the bottom surface of the multipoint variable-frequency vibrating table, and the respective center shafts of the two groups of variable-frequency vibrating groups in each row are mounted on the two corresponding groups of mounting plates.
The eccentric block comprises an arc buckling block and a V-shaped buckling block which are mutually buckled, semicircular buckling grooves which are mutually matched and buckled are respectively formed in the arc buckling block and the V-shaped buckling block, and matched screw holes for detachable locking of screws are respectively formed in the arc buckling block and the V-shaped buckling block.
The two ends of the connecting shaft are respectively pivoted with the two synchronous output shafts and the variable frequency vibration group through universal joint structures.
The linkage synchronous braking device comprises a pneumatic braking mechanism, a synchronous shaft, a synchronous gear and a synchronous gear row; the pneumatic brake mechanism comprises a brake disc arranged on the synchronous shaft and brake pads positioned on two sides of the brake disc and used for clamping the brake disc; the synchronizing gear is arranged on the synchronizing shaft, the synchronizing gear row is vertically arranged and fixedly connected to the pressure head, and the synchronizing gear row are mutually meshed and matched.
The device also comprises a synchronous plate top wheel which is rotatably arranged, and the synchronous plate top wheel is provided with a guide wheel groove for guiding the synchronous gear row to vertically lift.
The synchronous gear row is vertically connected to the pressure head through a pressure head connecting plate, and a guide wheel groove of a synchronous plate top wheel is matched with the pressure head connecting plate.
The brake pad and the brake disc are provided with two groups which are arranged side by side left and right, and two groups which are symmetrical left and right are arranged corresponding to the synchronous gears and the synchronous teeth.
The frame is also provided with a distribution trolley which is provided with a trolley body, a material cavity with a hollowed bottom is arranged in the trolley body, a plurality of arch breaking rods are uniformly distributed in the material cavity front and back, the arch breaking rods are pivoted on a synchronous connecting plate through swing arms, the synchronous connecting plate is pivoted on an eccentric wheel through a transition rod, and the eccentric wheel is connected with an eccentric wheel driving mechanism for driving the eccentric wheel to rotate; and a gear shaping row extending forwards and backwards is arranged above the corresponding arch breaking rod in the material cavity, and is provided with a material blocking plugboard with a back-and-forth adjustable inserting structure and a back-and-forth adjustable umbrella handle structure.
The material blocking plugboard is of a reversed hook umbrella handle type structure and comprises a semicircular arc part, a rear short plate part and a front long plate part, wherein the rear short plate part and the front long plate part are connected with two ends of the semicircular arc part.
Plug parts which can be matched and inserted into all tooth grooves of the gear shaping row are arranged on two sides of the material blocking plug board.
The synchronous connecting plate comprises a strip-shaped main plate part and a connecting part integrally formed on the top surface of the rear end of the strip-shaped main plate part, wherein the strip-shaped main plate part is pivoted with each swing arm, and the connecting part is pivoted with the synchronous connecting plate.
The arch breaking rods are provided with a plurality of arch breaking rakes, and each arch breaking rake is detachably mounted on the arch breaking rods through bolt and nut matching.
The cloth trolley is also in transmission connection with a trolley driving mechanism, the trolley driving mechanism is an arm type linkage driving mechanism and comprises a driving motor, a driving arm and a driven arm, the driving motor is in transmission connection with one end of the driving arm, and the other end of the driving arm is in transmission pin joint with the trolley body through the driven arm.
The bottom of the demoulding brick stacking position is provided with a sinking groove sunk below the frame, and the rotary lifting device is correspondingly arranged in the sinking groove.
The bottom die frame driving mechanism comprises a demoulding oil cylinder, a demoulding synchronous balancer and a bottom die synchronous rod; the demoulding synchronous balancer is arranged above the movable frame and connected with the movable frame through a demoulding oil cylinder, the upper end of the bottom mould synchronous rod is connected with the demoulding synchronous balancer, and the lower end of the bottom mould synchronous rod is connected with the bottom mould frame.
The demolding cylinder is provided with two groups which are bilaterally symmetrical, and the bottom die synchronizing rod is provided with four groups which are arranged around every two.
The movable frame is provided with a limiting part for limiting the demolding synchronous balancer.
An I-shaped sliding rail is arranged on the top of the frame, the movable frame is arranged on the I-shaped sliding rail through a pulley, and a movable frame driving mechanism for driving the movable frame to horizontally slide is arranged on the movable frame.
After the scheme is adopted, the square brick machine without the supporting plate has the beneficial effects that compared with the prior art: on the basis of the structural design that the pressing head is arranged on the movable frame, the linkage synchronous braking device is innovatively configured for lifting of the pressing head, and the pressing head is effectively braked in real time when lifted in place by the linkage synchronous braking device in cooperation with the action of the pressing head driving mechanism, so that the accurate stability of lifting and positioning of the pressing head is ensured, and the guarantee is provided for effective and reliable operation of square brick machines and molded bricks manufactured with high quality.
The brick making machine is brick making equipment combining square forms and support plates, adopts a multipoint variable frequency vibration system innovatively, and is provided with a multipoint variable frequency vibration table in the square forms, so that realization conditions are provided for the preparation of molded bricks with single modes arranged in the square forms; meanwhile, the pallet-free brick making is realized through flexible design, so that two key points in the prior art that the whole production line cannot be in place for simplifying production in one step are overcome, and complicated brick separation and packaging procedures and other procedure operations brought by matching the brick separation are not needed; the manufactured molded bricks are directly stacked in a square mode, and the steps of maintenance, packaging and the like can be directly carried out in the follow-up process, so that the steps of a follow-up production line are greatly simplified, a large number of supporting plates are omitted, the cost is saved, and complicated procedures of plate separation, plate collection and the like caused by the supporting plates are avoided; finally, the production line is simplified, the space is saved, the production efficiency is improved, the production cost is saved, and the like.
Drawings
FIG. 1 is a front view of a square form brick machine with pallets according to the present invention;
FIG. 2 is a side view of a square form brick machine with pallets according to the present invention;
FIG. 3 is a front view of the multi-point translational vibration system of the present invention;
FIG. 4 is a side view of the multi-point translational vibration system of the present invention;
FIG. 5 is a bottom view of a portion of the structure of the multi-point translational shake table;
FIG. 6 is a side view of a portion of the structure of the multi-point translational shake table;
FIG. 7 is a front view of the linked synchronized brake assembly;
FIG. 8 is a schematic diagram of the installation of the linked synchronized brake on a frame;
FIG. 9 is a front view of the cloth cart of the present case;
FIG. 10 is a top view of the cloth cart of the present case;
FIG. 11 is a schematic view of a cart drive mechanism for a distribution cart;
FIG. 12 is a front view of a gear shaping row mated with a stop insert plate;
FIG. 13 is a top view of the mating of the rows of gear inserts and the retainer insert plate;
fig. 14 is a schematic view of a broken arch bar.
Description of the reference numerals
A frame 1, a brick making position 101, a demoulding brick stacking position 102, a movable frame 11, a limiting part 12,
an i-shaped slide rail 131, a pulley 132; a ram 2, a ram drive mechanism 21;
a bottom die frame 3, a bottom die frame driving mechanism 31,
a demoulding cylinder 311, a demoulding synchronous balancer 312, a bottom die synchronous rod 313,
linkage synchronous brake device 4:
the pneumatic brake mechanism 41, the brake pads 411, the brake disc 412,
a synchronizing shaft 42, a fixed bearing seat 421, a synchronizing gear 43, a synchronizing gear row 44,
a synchronizing plate top wheel 45, a guide wheel groove 451, a top wheel bearing seat 452;
multipoint variable frequency vibration system 5:
a multi-point variable frequency oscillating table 51, four areas 51A, 51B, 51C, 51D; a mounting plate 512;
the vibration motor 52, the output 521,
an external vibration synchronizing box 53, a synchronizing input shaft 531, and a synchronizing output shaft 532;
four variable frequency vibrating groups 54A, 54B, 54C, 54D; center shaft 541, eccentric block 542;
the circular arc buckling block 5421, the V-shaped buckling block 5422, the semicircular arc buckling groove 5423 and the screw hole 5424;
a synchronous connector 55, a connecting shaft 56, a gimbal structure 561;
cloth trolley 7:
the trolley body 71, the material cavity 711 and the pulley 712;
a swing arm 73, a synchronous connection plate 74, a long main plate portion 741, and a connection portion 742;
a transition lever 75, an eccentric 76, a gear shaping row 77, and a tooth slot 771;
a stop insert plate 78, a semicircular arc part 781, a rear short plate part 782, a front long plate part 783, and an insert part 784;
the carriage drive mechanism 79, the drive arm 791, and the driven arm 792.
Detailed Description
The present invention will be described in further detail with reference to the following specific embodiments.
The scheme relates to a square brick machine without a supporting plate, which is shown in figures 1-2 and comprises a frame 1 and a movable frame 11 horizontally movably arranged on the frame 1. Specifically, an i-shaped slide rail 131 is disposed on the top of the frame 1, the movable frame 11 is mounted on the i-shaped slide rail 132 through a pulley 132, and the movable frame 11 is provided with a movable frame driving mechanism (not shown) for driving the movable frame to slide horizontally. The corresponding movable frame 11 of the frame 1 is divided into a brick making position 101 and a demoulding brick stacking position 102 at left and right sides in the horizontal moving direction. The movable frame 11 moves to the brick making position 101 for brick making operation by a brick making machine, and the movable frame 11 moves to the demoulding and stacking position 102 for demoulding formed bricks and stacking the bricks in one step.
The frame 1 is provided with a hopper 6 and a feeding trolley 7, and the movable frame 11 is provided with a pressure head 2, a pressure head driving mechanism 21, a bottom die frame 3 and a bottom die frame driving mechanism 31. The pressure head 2 is arranged on the movable frame 11 in a lifting manner through a pressure head driving mechanism 21, and the pressure head driving mechanism 21 specifically adopts a pressure head oil cylinder. The bottom die frame 3 is arranged on the movable frame 11 in a lifting manner through a bottom die frame driving mechanism 31, and as a preferred embodiment of the bottom die frame driving mechanism 31, the bottom die frame driving mechanism 31 comprises a demoulding cylinder 311, a demoulding synchronous balancer 312 and a bottom die synchronous rod 313; the demoulding synchronous balancer 312 is transversely arranged above the movable frame 11, the demoulding synchronous balancer 312 is connected with the movable frame 11 through a demoulding oil cylinder 311, a bottom die synchronous rod 313 is connected between the demoulding synchronous balancer 312 and the bottom die frame 3, the upper end of the specific bottom die synchronous rod 313 is connected with the demoulding synchronous balancer 312, and the lower end of the bottom die synchronous rod 313 is connected with the bottom die frame 3. The demolding cylinder 311 is provided with two groups which are bilaterally symmetrical, and the bottom die synchronizing rod 313 is provided with four groups which are arranged around every two. The bottom die frame 3 is driven to lift through the demoulding oil cylinder 311, the demoulding synchronous balancer 312 and the bottom die synchronous rod 313, and the design of the demoulding synchronous balancer 312 enhances the balance stability of the demoulding of the bottom die frame 3, so that reliable and accurate demoulding operation is facilitated.
The movable frame 11 is provided with a linkage synchronous brake device 4 which is linked with the pressure head 2 to control the pressure head 2 to lift and stably brake. A multi-point variable frequency vibration system 5 is arranged below the corresponding bottom die frame 3 of the brick making position 101, and the multi-point variable frequency vibration system 5 is provided with a multi-point variable frequency vibration table 51 in a square form. A rotary lifting device 9 is arranged below the corresponding bottom die frame 3 of the demoulding brick stacking position 102.
In the operation of the square brick machine without the support plate, the movable frame is positioned at the brick making position 101, the hopper 6 feeds the material into the feeding trolley 7, the feeding trolley 7 feeds the material into the bottom die frame 3, the feeding trolley 7 withdraws after finishing the material distribution, the multipoint variable frequency vibration table 51 uniformly vibrates the material and compacts the material, and then the pressure head 2 stably and accurately presses the bottom die frame 3 to press and form the material under the cooperation of the driving of the pressure head driving mechanism 21 and the linkage synchronous brake device 4. Then, the pressing head 2 is matched with the pressing head driving mechanism 21 and the linkage synchronous braking device 4, the bottom die frame 3 is matched with the bottom die frame driving mechanism 31, the pressing head 2 and the bottom die frame 3 synchronously and stably ascend upwards (only one centimeter ascend) to separate from the multi-point variable frequency vibration table 51, and the linkage synchronous braking device 4 is in a braking state after ascending in place; then the movable frame 11 is driven by the movable frame driving mechanism to horizontally move to the demoulding and brick stacking position 102, the linkage synchronous brake device 4 is released, the pressing head 2 is properly pressed down under the cooperation of the pressing head driving mechanism 21 and the linkage synchronous brake device 4, the bottom die frame 3 is properly lifted under the cooperation of the bottom die frame driving mechanism 31, and a formed square-form arranged plate brick is demoulded on the rotary lifting device 9. Then, the movable frame returns, the operation is repeated to form the next plate brick, the rotary lifting device 9 rotates by 90 degrees, so that the direct stacking and transcoding operation of the next plate brick is facilitated, and the rotary lifting device 9 stably and effectively receives the brick through self lifting control. The set multi-stack formed bricks are piled on the rotary lifting device 9, and then sent out to the working procedures of maintenance, packing and the like.
In practice, since the ram 2 has a heavy weight, it is very difficult to control the ram 2 to stably lift and to be in place accurately by using a simple ram driving mechanism 21 (ram cylinder), and although stability and accuracy can be improved to a certain extent by using multiple cylinders, the multiple cylinders still have defects, and the problem of synchronous matching of the multiple cylinders needs to be considered, so that the design difficulty of equipment is increased. Therefore, on the premise of driving a single ram cylinder, the invention is matched with the linkage synchronous brake device 4, the linkage synchronous brake device 4 and the ram driving mechanism 21 are in linkage synchronous control, and exert braking action when in place, thereby realizing real-time effective braking and braking of the ram 2 in the moment of lifting in place (particularly lifting in place), ensuring the accurate stability of lifting and positioning of the ram 2, and providing guarantee for effective and reliable operation of brick machine equipment and molded bricks manufactured with high quality.
The present invention also innovatively employs a multi-point translational vibration system 5, the multi-point translational vibration system 5 having a multi-point translational vibration table 51 in square form. The multi-point variable frequency oscillating table 51 is a square-form platform, and the variable frequency multiple points of the oscillation (four sets of variable frequency multiple points in the preferred embodiment) are uniformly distributed on the square-form platform. The existing brick machine equipment is prepared by taking non-square (usually rectangular) arranged molded bricks as a mold because of various factors, and the corresponding supporting plates and mold frames are of corresponding non-square structures. Wherein the limitation of the vibration design is one of the important factors. Most of the current vibrating devices are designed to vibrate at two points distributed left and right, and the vibrating devices can only vibrate uniformly corresponding to a rectangular cloth plane. Therefore, in order to realize square-form brick molding production, the invention designs a multi-point variable frequency vibration system 5, which is provided with a square-form multi-point variable frequency vibration table 51 and is specially used for preparing single-mode square-form arranged molded bricks; after the formed brick is sent out, the formed brick is the veneer brick obtained after a series of procedures at present, so that complicated brick separating procedures and other procedure operations brought by matching the brick separating procedures are not needed.
The brick machine disclosed by the invention simultaneously realizes the combination of a square form and a support plate-free brick machine, overcomes two key points that the whole production line cannot be in place for simplifying production in one step in the prior art, and does not need to carry out complicated brick separation and packaging procedures and other procedure operations brought by matching the brick separation; the manufactured molded bricks are directly stacked in a square mode, and the steps of maintenance, packaging and the like can be directly carried out in the follow-up process, so that the steps of a follow-up production line are greatly simplified, a large number of supporting plates are omitted, the cost is saved, and complicated procedures of plate separation, plate collection and the like caused by the supporting plates are avoided; finally, the production line is simplified, the space is saved, the production efficiency is improved, the production cost is saved, and the like.
Preferably, in order to facilitate the simplification of the compact brick machine design, the rotary lifting device 9 is designed to be lower than the sinking design of the frame 1, specifically, the bottom (corresponding to the ground) of the demoulding brick stacking position 102 is provided with a sinking groove 91 sinking below the frame 1, and the rotary lifting device 9 is correspondingly arranged in the sinking groove 91. In addition, a limiting part 12 is provided on the movable frame 11 to limit the action of the positioning and demolding synchronous balancer 132.
The multi-point variable frequency vibration system, as shown in fig. 3-6, mainly comprises a multi-point variable frequency vibration table 51, two vibration motors 52, an external vibration synchronous box 53 and four variable frequency vibration groups. The multi-point variable frequency vibration table 51 has a square structure, is uniformly divided into four areas (51A, 51B, 51C and 51D respectively), and four variable frequency vibration groups (54A, 54B, 54C and 54D respectively) are symmetrically arranged in the four areas (51A, 51B, 51C and 51D) in a one-to-one correspondence. The two vibration motors 52 are arranged side by side, and the output 521 is in driving connection with the two synchronous input shafts 531 of the external vibration synchronizing box 53, in particular by means of pulleys fitted with belts. The two synchronous output shafts 532 of the external vibration synchronous box 53 are pivoted with two groups (54A, 54B) of the four groups of variable frequency vibration groups in a one-to-one correspondence manner through connecting shafts 56, and the two groups (54A, 54B) of the four groups of variable frequency vibration groups are respectively connected with the other two groups (54C, 54D) in a one-to-one correspondence manner through synchronous connectors 55.
Each variable frequency vibration group comprises a center shaft 541 and two eccentric blocks 542 which are arranged on the center shaft 541 side by side. In a specific design, the four variable frequency vibration groups are divided into two rows (such as the upper row and the lower row in fig. 3 or 5) according to the arrangement extension direction of the central shaft 541, and the central shafts 541 of the two variable frequency vibration groups in each row (such as the left and right groups in fig. 3 or 5) are connected by the synchronous connector 55. Specifically, four groups of variable frequency vibration groups, the variable frequency groups 54A and 54C are arranged in a row, the variable frequency groups 54B and 54D are arranged in a row, the central axes 541 extend along the row direction, the respective central axes 541 of the variable frequency groups 54A and 54C are connected through the synchronous connector 55, and the respective central axes 541 of the variable frequency groups 54B and 54D are connected through the synchronous connector 55.
Preferably, four parallel four sets of mounting plates 512 (512A, 512B, 512C, 512D respectively) are arranged on the bottom surface of the multi-point variable frequency vibration table 51, and the extending direction of the mounting plates 512 is perpendicular to the central axis 541
The respective center shafts 541 of the two variable frequency vibration groups of each row are mounted on the corresponding two sets of mounting plates 512. Specifically, the respective center axes 541 of the variable frequency groups 54A, 54B are mounted between the mounting plates 512A, 512B in the corresponding positions, and the respective center axes 541 of the 54C, 54D are mounted between the mounting plates 512C, 512D in the corresponding positions. As shown in fig. 5, the four frequency conversion vibration groups symmetrically and uniformly distributed realize transverse and longitudinal (arrangement) cross synchronous design through the synchronous connector 55 and the mounting plate 512, and the external vibration synchronous box 53 is matched, which corresponds to a closed-loop synchronous design, and finally, the effect of synchronous and balanced vibration is better.
Each frequency conversion vibration group comprises two eccentric blocks 542 which are arranged side by side, and the vibration force can be adjusted through the change of the staggered angle. In order to realize simple, convenient and adjustable operation, preferably, the eccentric block 542 includes an arc buckling block 5421 and a V-shaped buckling block 5422 which are mutually buckled, and the arc buckling block 5421 and the V-shaped buckling block 5422 are respectively provided with a semicircular buckling groove 5423 which is mutually matched and buckled, and are respectively provided with a matched screw hole 5424 for detachably locking a screw. In this installation, the circular arc buckling block 5421 and the V-shaped buckling block 5422 are matched and buckled on the central shaft 541 through the semicircular arc buckling groove 5423, then the eccentric orientation angle is adjusted, and then the eccentric block 542 is simply installed by locking the screw and the screw hole 5424, and the disassembly operation is reversed.
Preferably, the two ends of the connecting shaft 56 are pivotally connected to the two synchronous output shafts 532 and the variable frequency vibration set through universal joint structures 561, respectively, so that the connection is simple and reliable.
The multipoint variable frequency vibration system 5 is specially designed for square multipoint variable frequency vibration table structures, is specially applied to square brick machines, provides a technical realization foundation for square brick making and brings excellent vibration effects. Four groups of variable frequency vibration groups are symmetrically arranged in four areas uniformly divided by the multi-point variable frequency vibration table 51 one by one, one side of each two groups of variable frequency vibration groups is connected with a vibration source through an external vibration synchronous box 53, the other side of each two groups of variable frequency vibration groups is connected with the other two groups of variable frequency vibration groups through a synchronous connector 55, so that symmetrically and uniformly arranged multi-point (four-point) synchronous vibration points are formed, each group of variable frequency vibration groups is specially provided with two eccentric blocks to realize vibration and variable frequency adjustment, and finally the multi-point variable frequency vibration table 51 is subjected to variable frequency vibration in a highly-balanced mode, and the square cloth area has excellent material refining effect.
The linkage synchronous brake device 4 is arranged on the movable frame 11 as shown in fig. 7-8, and mainly comprises a pneumatic brake mechanism 41, a synchronous shaft 42, a synchronous gear 43 and a synchronous gear row 44. The pneumatic brake mechanism 41 and the synchronizing shaft 42 are fixedly mounted on the top of the movable frame 11, wherein the pneumatic brake mechanism 41 is fixed through a mounting seat, and the synchronizing shaft 42 is fixedly arranged through a fixed bearing seat 421.
The pneumatic brake mechanism 41 mainly comprises a brake pad 411 and a brake disc 412. The brake disc 412 is fixedly installed on the synchronous shaft 42, the brake pads 411 are arranged in pairs and are arranged at two sides of the brake disc 412, and the pneumatic brake mechanism 41 is used for controlling and driving the brake pads 411 to clamp or release the brake disc 412. The synchronizing gear 43 is mounted on the synchronizing shaft 42, the synchronizing gear row 44 is vertically arranged and fixedly connected to the pressure head of the movable frame 11, and the synchronizing gear 43 and the synchronizing gear row 44 are in mutually meshed and matched arrangement.
Preferably, in order to facilitate the stable lifting of the synchronizing gear row 44 in the vertical direction, the device further comprises a synchronizing plate top wheel 45 which is rotatably arranged, the synchronizing plate top wheel 45 is provided with a guide wheel groove 451, the guide wheel groove 451 is matched with the synchronizing gear row 44, and the synchronizing gear row 44 is guided to perform stable and accurate vertical lifting motion through the guide wheel groove 451. The synchronous plate top wheel 45 is fixedly mounted on the movable frame 11 specifically through a top wheel bearing seat 452.
Preferably, in order to facilitate the fixed connection between the synchronizing gear row 44 and the pressing head, the synchronizing gear row 44 is fixedly arranged on a pressing head connecting plate 441, the synchronizing gear row 44 is vertically connected to the pressing head through the pressing head connecting plate 441, the guiding wheel groove 451 of the synchronizing plate top wheel 45 is matched with the pressing head connecting plate 441, specifically, the matching part of the pressing head connecting plate 441 matched with the guiding wheel groove 451 is arranged opposite to the gear row of the synchronizing gear row 44, and the guiding effect is better through opposite guiding matching.
Preferably, in order to enhance the effectiveness and stability of the linkage synchronous braking device 4 on braking of the pressure head, the brake pad 411 and the brake disc 412 are provided with two groups which are arranged side by side, two groups which are symmetrical left and right are arranged corresponding to the synchronous gear 43 and the synchronous gear row 44, and the two groups of synchronous gear rows 44 are in effect and symmetrical connection on the pressure head.
The linkage synchronous brake device 4 is a brake structure specially designed for the lifting performance of a pressing head of a brick molding machine, and drives the synchronous shaft 42 and a brake disc 412 on the synchronous shaft to synchronously rotate through the transmission cooperation of the synchronous gear 43 and the synchronous gear row 44 in the lifting process of the pressing head; when the pressing head rises a certain preset distance to the right moment, the pneumatic brake mechanism 41 of the device synchronously performs linkage operation, the brake disc 412 is clamped in real time through the brake pad 411, the rotation of the brake disc 412 and the synchronous shaft 42 is stopped, and the synchronous gear 43 and the synchronous gear row 44 are matched, so that the effect of effectively braking the pressing head to rise to the right moment is realized. The linkage synchronous braking device 4 is excellent in accuracy and stability of the pressure head brought in the ascending braking process of the pressure head, has an outstanding effect, and has the same braking effect in the descending process. Through the cooperation of the synchronous brake equipment of present case linkage, the pressure head actuating mechanism that drives the pressure head and go up and down can adopt simple and easy single lift cylinder drive, and the structure is succinct, has ensured simultaneously to ensure the accurate stability of pressure head lift location, provides the guarantee for the shaping fragment of brick machine equipment effective reliable operation and high-quality preparation.
The frame 1 is further provided with a distributing trolley 7, as shown in fig. 9-14, which is a swing arm arch breaking adjustable material blocking type distributing trolley, and is provided with a trolley body 71, wherein the trolley body 71 is divided into a front half and a rear half, a material cavity 711 with a hollowed bottom is arranged in the front half, a plurality of arch breaking rods 72 are uniformly distributed in the material cavity 711 at intervals front and back, the arch breaking rods 72 are pivoted on a synchronous connecting plate 74 through swing arms 73, the synchronous connecting plate 74 is pivoted on an eccentric wheel 76 through a transition rod 75, and the eccentric wheel 76 is connected with an eccentric wheel driving mechanism (not shown in the drawing) for driving the eccentric wheel to rotate. In order to facilitate synchronous and effective swing arm type arch breaking cloth of a plurality of arch breaking rods 72, two ends of each arch breaking rod 72 are respectively provided with a swing arm 73, two groups of eccentric wheels 76 which are symmetrical left and right are arranged corresponding to a synchronous connecting plate 74, a transition rod 75 and the eccentric wheels 76, and the two groups of eccentric wheels 76 are all arranged on the same transmission shaft which is connected with an eccentric wheel driving mechanism (particularly can be a driving motor). In this way, the eccentric wheel 76 is driven to rotate by the eccentric wheel driving mechanism, the eccentric wheel 76 sequentially drives the transition rod 75 and the synchronous connecting plate 74 to link, and the swinging arm 73 is used for finally driving the arch breaking rods 72 to perform synchronous arch breaking operation, so that quick and uniform distribution is realized.
The arch breaking swing action of the arch breaking rod 72 is smoother and more gentle through the leading of the eccentric wheel 76 and the transmission cooperation of the transition rod 75, the synchronous connecting plate 74 and the swing arm 43, and the swing of the two sides is controlled, so that compared with the existing direct transmission left-right swing, the arch breaking cloth refining effect of the swing arm is more outstanding. Further, in order to enhance the smoothness and ease of assembly, the synchronization connection board 74 is designed to include a long main board portion 741 and a connection portion 742 integrally formed on the top surface of the rear end of the long main board portion 741, the long main board portion 741 is pivotally connected to each swing arm 73, the connection portion 742 is pivotally connected to the synchronization connection board 75, and the synchronization connection board 74 and the synchronization connection board 75 thus configured are designed in a vertically layered manner.
The arch breaking bars 72 are provided with a plurality of arch breaking rakes 721, the arch breaking rakes 721 are easy-to-wear parts, and the arch breaking rakes 721 are designed to be of a detachable structure, so that after the arch breaking rakes 721 are worn out, maintenance and update can be realized by simply replacing the arch breaking rakes 721 without replacing the whole arch breaking bars 72. In order to enhance the replacement easiness, the plurality of arch-breaking rakes 721 on the arch-breaking rod 72 can be divided into a plurality of areas according to the loss rate of the arch-breaking rakes 721 at different positions, the arbitrary arch-breaking rakes 721 corresponding to each area are a group, and each group of arch-breaking rakes 721 is integrally designed, so that the highest efficiency of maintenance and replacement operation is realized by replacing the arch-breaking rakes 721 in groups each time, and the aim of maximizing the cost saving is also achieved. The detachable design of the arch breaking rake 721, in the specific embodiment, each arch breaking rake 721 or each group of arch breaking rakes 721 is detachably mounted on the arch breaking rod 72 through the cooperation of bolts 722 and nuts 723.
A gear shaping row 77 extending back and forth is arranged at the upper position of the corresponding broken arch 72 in the material cavity 711, and the gear shaping row 77 is provided with a material blocking plugboard 78 which can be inserted back and forth on the gear shaping row 77. The material blocking insert plate 78 is specifically designed to have a structure of a barb umbrella handle, and specifically includes a semicircular arc portion 781, and a rear short plate portion 782 and a front long plate portion 783 that connect both ends of the semicircular arc portion 781. In the use of the material blocking plugboard 78, the semicircular arc part 781 faces upwards, the front long plate part 783 faces forwards, the rear short plate part 782 faces backwards and is inserted into the gear shaping row 77, the semicircular arc part 781 is beneficial to blanking guiding and material retention avoiding, the front long plate part 783 extends downwards to a length longer than that of the rear short plate part 782, the front long plate part 783 plays a main material blocking role, the rear short plate part 782 plays a proper matching auxiliary role, quantitative feeding is enough in the material distribution process, and more importantly, the material blocking and controlling effect is achieved effectively, so that the material fed into the die frame presents a relatively uniform overall coarse material distribution effect of the die frame without a material shortage area. The material blocking plugboard 78 is adjustable in the material cavity 711 according to the material distribution requirement, and a single board or two boards can be arranged according to the requirement.
Preferably, in order to facilitate the adjustable operation of the material blocking plugboard 78, plug portions 781 are respectively arranged on two sides of the material blocking plugboard 78, two symmetrical groups of corresponding gear shaping rows 77 are arranged, each group of gear shaping rows 77 is provided with a plurality of tooth grooves 771 arranged front and back, and the plug portions 781 can be matched and inserted into any tooth groove 771 of the gear shaping rows 77, so that adjustable support and fixation are realized.
Preferably, the cloth trolley 7 is a travelling mechanism, and is provided with a pulley 712 which facilitates travelling. The cloth trolley 7 is also in transmission connection with a trolley driving mechanism 79 for driving the cloth trolley 7 to walk, the trolley driving mechanism 79 can be driven by an oil cylinder, and the specific embodiment is an arm type linkage driving mechanism, which comprises a driving motor, a driving arm 791 and a driven arm 792, wherein the driving motor is in transmission connection with one end of the driving arm 791, and the other end of the driving arm 791 is in transmission pin joint with the trolley body 71 through the driven arm 792. Driven by a driving motor, the trolley body 71 is finally driven to walk back and forth to distribute materials through the cooperation of the driving arm 791 and the driven arm 792.
The distribution trolley is effectively matched with the material breaking and homogenizing and the adjustable material blocking and controlling through the swing arm, wherein the material blocking insertion plates 78 with novel structure shapes are matched, the arrangement positions of the distribution trolley are adjusted front and back, the material falling into the material cavity is effectively blocked and controlled in the material distribution process through the inverted umbrella handle type structure of the distribution trolley, so that the material fed into the die frame presents relatively uniform overall coarse material without a material shortage area; the swing arm arch breaking and refining are matched through a series of transmission of the swing arm 73, the synchronous connecting plate 74, the transition rod 75, the eccentric wheel 76 and the like, and finally, the arch breaking rods are driven to perform effective arch breaking and refining operation on materials in all areas in the die frame, so that a uniform distribution effect is finally truly realized, and a basic guarantee is provided for the subsequent high-quality manufactured molded bricks.
The foregoing description is only of the preferred embodiments of the present invention, and all equivalent changes and modifications that come within the scope of the following claims are intended to be embraced therein.
Claims (5)
1. A exempt from layer board square form brick machine which characterized in that: the movable frame is horizontally arranged on the frame, and the corresponding movable frame of the frame is divided into a brick making position and a demoulding brick stacking position in the horizontal moving direction; the movable frame is provided with a pressure head, a pressure head driving mechanism, a bottom die frame and a bottom die frame driving mechanism; the pressure head is arranged on the movable frame in a lifting manner through the pressure head driving mechanism, and the movable frame is provided with a linkage synchronous brake device which is linked with the pressure head to control the pressure head to lift and stably brake; the bottom die frame is arranged on the movable frame in a lifting manner through a bottom die frame driving mechanism; a multi-point variable frequency vibration system is arranged below the corresponding bottom die frame of the brick making position, and the multi-point variable frequency vibration system is provided with a square multi-point variable frequency vibration table; a rotary lifting device is arranged below the corresponding bottom die frame of the demoulding brick stacking position;
the linkage synchronous braking device comprises a pneumatic braking mechanism, a synchronous shaft, a synchronous gear and a synchronous gear row; the pneumatic brake mechanism comprises a brake disc arranged on the synchronous shaft and brake pads positioned on two sides of the brake disc and used for clamping the brake disc; the synchronous gear is arranged on the synchronous shaft, the synchronous gear row is vertically arranged and fixedly connected to the pressure head, and the synchronous gear row are mutually meshed and matched; the linkage synchronous brake device also comprises a synchronous plate top wheel which is rotationally arranged, and the synchronous plate top wheel is provided with a guide wheel groove for guiding the synchronous gear row to vertically lift; the synchronous gear row is vertically connected to the pressure head through a pressure head connecting plate, and a guide wheel groove of a synchronous plate top wheel is matched with the pressure head connecting plate;
the multi-point variable frequency vibration system comprises a multi-point variable frequency vibration table, two vibration motors, an external vibration synchronous box and four variable frequency vibration groups; the output end of the two vibration motors is in transmission connection with the two synchronous input shafts of the external vibration synchronous box, the two synchronous output shafts of the external vibration synchronous box are in one-to-one corresponding pin joint with two groups of four groups of variable frequency vibration groups through connecting shafts, and the two groups of the four groups of variable frequency vibration groups are respectively connected with the other two groups of variable frequency vibration groups through synchronous connectors; the multi-point variable frequency vibrating table is uniformly divided into four areas, and four groups of variable frequency vibrating groups are symmetrically arranged in the four areas in a one-to-one correspondence manner; each variable frequency vibration group comprises a center shaft and two eccentric blocks which are arranged on the center shaft side by side; the eccentric block comprises an arc buckling block and a V-shaped buckling block which are mutually buckled, semicircular buckling grooves which are mutually matched and buckled are respectively formed in the arc buckling block and the V-shaped buckling block, and matched screw holes for detachable locking of screws are respectively formed in the arc buckling block and the V-shaped buckling block.
2. A pallet free square form brick machine as defined in claim 1 wherein: the four variable frequency vibration groups are divided into two rows according to the arrangement and extension directions of the central axes, and the central axes of the two variable frequency vibration groups in each row are connected through a synchronous connector.
3. A pallet free square form brick machine as defined in claim 2 wherein: four parallel four groups of mounting plates are arranged on the bottom surface of the multipoint variable-frequency vibrating table, and the respective center shafts of the two groups of variable-frequency vibrating groups in each row are mounted on the two corresponding groups of mounting plates.
4. A pallet free square form brick machine as defined in claim 1 wherein: the frame is also provided with a distribution trolley which is provided with a trolley body, a material cavity with a hollowed bottom is arranged in the trolley body, a plurality of arch breaking rods are uniformly distributed in the material cavity front and back, the arch breaking rods are pivoted on a synchronous connecting plate through swing arms, the synchronous connecting plate is pivoted on an eccentric wheel through a transition rod, and the eccentric wheel is connected with an eccentric wheel driving mechanism for driving the eccentric wheel to rotate; and a gear shaping row extending forwards and backwards is arranged above the corresponding arch breaking rod in the material cavity, and is provided with a material blocking plugboard with a back-and-forth adjustable inserting structure and a back-and-forth adjustable umbrella handle structure.
5. A pallet free square form brick machine as defined in claim 1 wherein: the bottom die frame driving mechanism comprises a demoulding oil cylinder, a demoulding synchronous balancer and a bottom die synchronous rod; the demoulding synchronous balancer is arranged above the movable frame and connected with the movable frame through a demoulding oil cylinder, the upper end of the bottom mould synchronous rod is connected with the demoulding synchronous balancer, and the lower end of the bottom mould synchronous rod is connected with the bottom mould frame.
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| CN201710919663.7A CN107457881B (en) | 2017-09-30 | 2017-09-30 | Square brick machine without supporting plate |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108839225B (en) * | 2018-06-14 | 2021-05-18 | 台州宝诚科技服务有限公司 | Automatic production process of lip tile |
| CN108995017A (en) * | 2018-09-18 | 2018-12-14 | 湖南中利福机械有限公司 | One kind exempting from supporting plate static pressure block machine |
| CN111688013B (en) * | 2019-03-16 | 2021-09-28 | 泉州市柳氏机械有限公司 | Brick making machine without supporting plate and brick making method |
| CN112339102B (en) * | 2020-11-06 | 2022-06-21 | 泉州市益鑫机械科技有限公司 | Supporting-plate-free brick making machine |
| CN112339072B (en) * | 2020-11-06 | 2022-06-21 | 泉州市益鑫机械科技有限公司 | Supporting-plate-free forming and demolding device of brick making machine and production method |
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