CN209887839U - Demoulding device - Google Patents

Demoulding device Download PDF

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Publication number
CN209887839U
CN209887839U CN201920503142.8U CN201920503142U CN209887839U CN 209887839 U CN209887839 U CN 209887839U CN 201920503142 U CN201920503142 U CN 201920503142U CN 209887839 U CN209887839 U CN 209887839U
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CN
China
Prior art keywords
frame
lifting
pressure head
guide
moving vehicle
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Expired - Fee Related
Application number
CN201920503142.8U
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Chinese (zh)
Inventor
夏锋
刘磊
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Shandong Sifang Machinery Co Ltd
Original Assignee
Shandong Sifang Machinery Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by Shandong Sifang Machinery Co Ltd filed Critical Shandong Sifang Machinery Co Ltd
Priority to CN201920503142.8U priority Critical patent/CN209887839U/en
Application granted granted Critical
Publication of CN209887839U publication Critical patent/CN209887839U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a demoulding device. The device comprises a main frame, a moving vehicle movably arranged on the upper part of the main frame, a mould lifting device and a building block pressing device, wherein four groups of synchronous lifting mechanisms which are symmetrically arranged in pairs are arranged on the frame of the moving vehicle, four corners of the frame of the moving vehicle are respectively and fixedly provided with a guide sleeve A, the building block pressing device comprises a pressing head frame, a pressing head connected to the lower part of the pressing head frame and a pressing head lifting oil cylinder, four racks which are respectively meshed with gears of the four groups of synchronous lifting mechanisms are arranged on the pressing head frame, four guide rods which are penetrated in the four guide sleeves A are arranged on the pressing head frame, the pressing head lifting oil cylinder is arranged in the middle part of the frame of the moving vehicle, a piston rod of the pressing head lifting oil cylinder is connected with the pressing head frame, the mould lifting device comprises two oil cylinders arranged on two sides of the pressing head frame and two groups of lifting foot mechanisms, and two sides of the pressing head frame are respectively fixed with a positioning rod.

Description

Demoulding device
Technical Field
The utility model relates to a shedder, mainly used are with the insulation block drawing of patterns, belong to insulation block production facility technical field.
Background
With the development of economy and the progress of society, energy conservation becomes a consensus, and building energy conservation is an important field of energy-saving work. With the continuous improvement of the building energy-saving standard requirements, the heat-insulating building blocks are used as building energy-saving materials and are more and more widely applied.
With the continuous improvement of the demand of the heat-insulating building blocks, in order to improve the production efficiency, the adoption of an automatic building block production line for producing the heat-insulating building blocks becomes the first choice of a plurality of manufacturers.
In an automatic production line of the heat-insulating building blocks, the building blocks which are formed in advance in a mould need to be demoulded, so that the building blocks are separated from the mould. The block demoulding is realized by a demoulding machine. Chinese patent application publication No. CN103240799A discloses a mold unloading device, in which four mold lifting devices for lifting a mold are respectively installed at four corners of a moving vehicle, a mold unloading cylinder is provided in each mold lifting device, the corresponding lifting feet are driven by the mold unloading cylinders to lift the mold, and the four mold lifting devices respectively act independently. Because the mould weight is very big, four mould hoisting device independent motions lead to very easily that the promotion action is asynchronous, lead to the radial atress of hydro-cylinder, the hydro-cylinder is askew easily, and the hydro-cylinder damages easily to because mould hoisting device installs on the locomotive, mould hoisting device is difficult to pinpoint with the mould car, leads to pressure head and mould pinpoint, influences the drawing of patterns.
Disclosure of Invention
To the above-mentioned defect that exists among the prior art, the utility model provides a can promote the mould in step, and move accurate shedder.
The utility model discloses a realize through following technical scheme: a demoulding device is characterized in that: the device comprises a main frame, a moving vehicle, a mold lifting device and a building block pressing device, wherein parallel guide rails are respectively arranged on the two sides of the upper part of the main frame along the length direction of the main frame, the moving vehicle is movably arranged on the guide rails through wheels arranged on the lower part of the frame of the moving vehicle, four groups of synchronous lifting mechanisms which are symmetrically arranged in pairs are arranged on the upper part of the frame of the moving vehicle, each group of synchronous lifting mechanism comprises a gear and a guide wheel which is arranged opposite to the gear, two gears in the two groups of synchronous lifting mechanisms which are symmetrical to each other are connected through a rotatable intermediate shaft, a guide sleeve A is respectively and fixedly arranged on the frame of the moving vehicle at the four corners of the frame of the moving vehicle, the building block pressing device comprises a pressing head frame arranged on the lower part of the moving vehicle, a pressing head and a pressing head lifting oil, four the rack respectively with four group's synchronous elevating system's on the frame of locomotive gear mesh mutually, four synchronous elevating system's leading wheel cooperatees with the rack that corresponds respectively, vertical fixed four guide bars that are provided with on the pressure head frame, four the guide bar wears to establish respectively in four uide bushing A that set up on the frame of locomotive, pressure head lift cylinder's cylinder body fixed mounting be in the frame middle part of locomotive, pressure head lift cylinder's piston rod with the pressure head frame is connected, mould hoisting device includes two drawing of patterns hydro-cylinders, sets up respectively two sets of lifting foot mechanisms in the relative both sides of pressure head frame, two drawing of patterns hydro-cylinder vertical fixed mounting respectively in the both sides of pressure head frame fixedly connected with a vertical locating lever that sets up respectively in the both sides of pressure head frame, every group lifting foot mechanism includes lifting foot support, four synchronous elevating system's of group, Promote foot leading truck, two promotion foot hydro-cylinders, it installs to promote foot support fixed mounting in the both sides of presser foot frame, vertical fixed mounting has two guiding axles on the promotion foot support, promote the both ends of foot leading truck respectively through uide bushing B and two the guiding axle is connected, the both ends lower part that promotes the foot leading truck articulates respectively has one to promote the foot, two it corresponds respectively to promote the foot hydro-cylinder promote the foot setting, promote the one end of foot hydro-cylinder with it is articulated to promote the foot leading truck, its other end with it is articulated to promote the foot, two the piston rod of drawing of patterns hydro-cylinder respectively with two it connects to promote the foot leading truck.
The utility model discloses the during operation, the building block of waiting the drawing of patterns and for the mould car transport to shedder's below, mould and stripper on making the mould car pinpoint through the locating lever that sets up in pressure head frame both sides, then the promotion foot hydro-cylinder action of two promotion foot mechanisms of pressure head frame both sides, promote foot hydro-cylinder promotion and promote the foot and hold in the four corners of mould, then the hydro-cylinder action of drawing of patterns, the promotion foot leading truck that drives promotion foot mechanism moves up along the guiding axle, thereby mention mould and the building block in it simultaneously, then remove along the guide rail through the locomotive, it removes to the drawing of patterns position to drive mould and building block, then pressure head lift cylinder action, drive pressure head downstream, the building block contact in pressure head and the mould, the punching press of pressure head makes building block and mould break away from, accomplish the drawing of patterns. Then the moving vehicle drives the demoulded mould to return to the original position, the lifting foot oil cylinder acts to enable the lifting foot to loosen the mould, and the mould is placed on the mould vehicle to complete the whole demoulding operation.
Furthermore, in order to facilitate accurate positioning of the mold and the demolding device, the cross section of the positioning rod is pentagonal. The cross-section design of locating lever is the pentagon, and the V-arrangement locating piece cooperation that one of them arris and mould side set up can make the mould car drive the mould when being close to shedder, and the arris through the locating lever can make the mould automatic lead just with the inclined plane cooperation of V-arrangement piece, can prevent effectively that the pressure head that the mould location is inaccurate to lead to is not neat with the building block, and the problem of unable drawing of patterns.
Or the front end of the positioning rod is a V-shaped edge. The front end design of locating lever is V-arrangement arris, and it can cooperate with the V-arrangement locating piece that the mould side set up, can make the mould car drive the mould when being close to shedder, and the V-arrangement arris through the locating lever cooperates with the inclined plane of V-arrangement piece and makes the mould automatic lead just, effectively prevents that the pressure head that the inaccurate results in of mould location is not neat with the building block, and the problem of unable drawing of patterns.
Furthermore, in order to adjust the position of the positioning rod conveniently, the positioning rod is installed on the bottom plate through a mounting seat, the bottom plate is fixedly connected with the pressure head frame, a bar-shaped mounting hole is formed in the bottom plate, and the mounting seat is matched with the bar-shaped mounting hole through a bolt and is connected with the bottom plate.
Furthermore, a piston rod of the pressure head lifting oil cylinder is connected with the pressure head frame through a pin shaft.
Furthermore, a hydraulic station is arranged on the frame of the moving vehicle. The hydraulic station is arranged on the moving vehicle, so that the working time of the equipment can be ensured not to generate interference, and the reliable operation of the equipment is ensured.
Furthermore, for improving the reliability of the equipment work, the rack is fixed on a square pipe on the pressure head frame, and the upper ends of the square pipe are connected together through a connecting square pipe.
Furthermore, in order to ensure the reliable operation of the movable vehicle, two groups of wheels are symmetrically arranged on the lower portion of the frame of the movable vehicle, one group of wheels is connected through a driving shaft, and one end of the driving shaft is connected with an output shaft of a worm gear reducer arranged on one side of the frame of the movable vehicle.
The utility model has the advantages that: the utility model discloses a set up rack and pinion complex synchronous elevating system on the locomotive for the pressure head frame can go up and down in step in its four corners when going up and down, effectively guarantee pressure head frame lift steady, avoid the pressure head frame because of going up and down the skew that leads to asynchronously, can effectively protect each hydro-cylinder, guarantee that equipment job stabilization is reliable; the utility model discloses a set up mould hoisting device on pressing the headstock for mould hoisting device is not independent of pressing the headstock, presses the headstock to drive mould hoisting device and moves together, can guarantee that each action of equipment is accurate, and the location is more accurate, guarantees the reliable and stable work of equipment.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a schematic structural view of the present invention with the main frame and the hydraulic station removed;
FIG. 4 is a left side view of FIG. 3;
FIG. 5 is a schematic structural view of the cart according to the present invention;
FIG. 6 is a top view of FIG. 5;
FIG. 7 is a left side view of FIG. 5;
fig. 8 is a schematic structural view of a indenter frame assembly of the present invention;
FIG. 9 is a left side view of FIG. 8;
fig. 10 is a schematic structural view of the head pressing frame part in the present invention;
FIG. 11 is a left side view of FIG. 10;
fig. 12 is a schematic structural view of a middle positioning rod part of the present invention;
FIG. 13 is a top view of FIG. 12;
fig. 14 is a schematic structural view of a lifting foot mechanism of the present invention;
fig. 15 is a front view of the lifting foot guide of the present invention;
FIG. 16 is a top view of FIG. 15;
FIG. 17 is a side view of FIG. 15;
in the figure, 1, a main frame, 2, a mould, 3, a pressure head frame assembly, 4, a moving vehicle, 5, a hydraulic station, 6, a guide rail, 7, a rack, 8, a worm gear reducer, 9, a vehicle frame, 10, a pressure head lifting oil cylinder, 11, an intermediate shaft, 12, a guide sleeve A, 13, a driving shaft, 14, a wheel, 15, a gear, 16, a guide wheel, 17, an intermediate shaft, 18, a square pipe, 19, a connecting square pipe, 20, a connecting square pipe, 21, a guide rod, 22, a pressure head frame, 221, an upper frame, 222, a lower frame, 23, a pressure head, 24, a demoulding oil cylinder, 25, a lifting foot mechanism, 26, a pin shaft, 27, a positioning rod, 28, a guide rod connecting sleeve, 29, a bottom plate, 30, a mounting seat, 31, a lifting foot support, 32, a lifting foot guide frame, 33, a guide shaft, 34, a guide sleeve B, 35, an oil cylinder connecting plate, 36, a guide sleeve fixing frame, 39. pin shaft, 40, lifting foot, 41, pin shaft, 42 and lifting foot oil cylinder.
Detailed Description
The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:
as shown in the attached drawings, the demolding device comprises a main frame 1, a moving vehicle 4, a mold lifting device and a building block pressing device. The main frame 1 is made of section steel, and parallel guide rails 6 are respectively arranged on two sides of the upper portion of the main frame 1 along the length direction of the main frame. The traveling carriage 4 is provided on the guide rail 6 and is movable along the guide rail 6. The movable trolley 4 comprises a frame 9 made of section steel, two groups of rotatable wheels are symmetrically mounted at the lower part of the frame 9, one group of wheels are connected through a driving shaft 13, one end of the driving shaft 13 is connected with an output shaft of a worm gear speed reducer 8 arranged on one side of the frame 9 of the movable trolley 4, and the movable trolley 4 is arranged on the guide rail 6 through wheels 14 of the movable trolley 4. The worm reduction gear 8 can drive the drive shaft 13 and the wheels 14 to rotate, thereby driving the vehicle 4 to move along the guide rail 6. Four groups of synchronous lifting mechanisms which are symmetrically arranged pairwise are arranged at the upper part of the frame 9 of the moving vehicle 4, each group of synchronous lifting mechanism comprises a gear 15 and a guide wheel 16 which is arranged opposite to the gear 15, and the gear 15 and the guide wheel 16 are both arranged on the frame 9 through a rotating shaft and a bearing seat. Two gears 15 of two groups of symmetrical synchronous lifting mechanisms are respectively connected through an intermediate shaft 11 and an intermediate shaft 17. A guide bush a12 is fixedly arranged on each of four corners of the frame 9 of the moving vehicle 4. The die lifting device and the building block pressing device form a pressing head frame assembly 3. The building block pressing device comprises a pressure head frame 22 arranged at the lower part of the moving vehicle 4, a pressure head 23 connected to the lower part of the pressure head frame 22 and a pressure head lifting oil cylinder 10. The press frame 22 is a frame made of steel sections and is composed of an upper frame 221 and a lower frame 222 which are connected together. Four racks 7 are vertically and fixedly arranged on the pressure head frame 22 corresponding to the four groups of synchronous lifting mechanisms on the frame 9 of the moving vehicle 4, the four racks 7 are respectively meshed with the gears 15 of the four groups of synchronous lifting mechanisms on the frame 9 of the moving vehicle 4, and the guide wheels 16 of the four synchronous lifting mechanisms are respectively matched with the corresponding racks 7 to play a role in guiding. The pressure head frame 22 is vertically and fixedly provided with four guide rods 21, and the four guide rods 21 are respectively arranged in four guide sleeves A12 arranged on the frame 9 of the moving vehicle 4 in a penetrating manner. A plurality of pressing blocks corresponding to the building blocks in the die are arranged in the pressing head 23. The cylinder body of the pressure head lifting oil cylinder 10 is fixedly arranged in the middle of the frame 9 of the moving vehicle 4, and the piston rod of the pressure head lifting oil cylinder 10 is connected with the pressure head frame 22 through a pin shaft 26. The mold lifting device comprises two demolding oil cylinders 24 and two groups of lifting foot mechanisms 25 which are respectively arranged on two opposite sides of the pressure head frame 22, the two demolding oil cylinders 24 are respectively vertically and fixedly arranged on two sides of the pressure head frame 22, and two vertically arranged positioning rods 27 are respectively and fixedly connected to two sides of the pressure head frame 22. Every group promote foot mechanism 25 including promoting foot support 31, promotion foot leading truck 32, two promotion foot hydro-cylinders 42, promote foot support 31 fixed mounting in the both sides of pressure head frame 22, it has two guiding axles 33 to promote vertical fixed mounting on the foot support 31, it is provided with cylinder mounting panel 35 to promote foot leading truck 32 middle part for be connected with the drawing of patterns hydro-cylinder, the both ends that promote foot leading truck 32 are equipped with the uide bushing mounting hole, it is connected with two guiding axles 33 that the both ends of promotion foot leading truck 32 are movable from top to bottom through uide bushing B34 respectively. Lifting foot connecting blocks 38 are respectively arranged at two ends of the lifting foot guide frame 32, and a lifting foot 40 is hinged at the lower end of each lifting foot connecting block 38 through a pin shaft 39. The two lifting foot oil cylinders 42 are respectively arranged corresponding to the lifting feet 40, one end of each lifting foot oil cylinder 42 is hinged with the lifting foot guide frame 32 through a pin shaft 37, and the other end of each lifting foot oil cylinder is hinged with the lifting foot 40 through a pin shaft 41. The piston rods of the two demoulding oil cylinders 24 are respectively connected with the oil cylinder connecting plates 35 on the two lifting foot guide frames 32.
In this embodiment, the position of the positioning rod 27 is adjustable. The positioning rod 27 is installed on the installation seat 30 through a screw, the installation seat 30 is installed on the bottom plate 29 through a bolt, and the bottom plate 29 is fixedly connected with the pressure head frame 22. A strip-shaped mounting hole is formed in the bottom plate 29, and the mounting seat 30 is connected with the bottom plate 29 through the matching of a bolt and the strip-shaped mounting hole. In order to facilitate the accurate positioning of the mold and the demolding device, in this embodiment, the cross section of the positioning rod 27 is preferably designed to be a pentagon, or the front end of the positioning rod 27 is designed to be a V-shaped edge. The side edges or the V-shaped edges of the five-deformation die can be matched with the V-shaped positioning blocks arranged on the side faces of the die, so that when the die car drives the die to be close to the demolding device, the die is automatically guided by matching the positioning rods with the inclined planes of the V-shaped blocks, and the problem that the demolding cannot be carried out due to the fact that pressure heads and building blocks are not aligned due to inaccurate die positioning is effectively solved.
In this embodiment, the hydraulic station 5 for controlling the cylinders is provided on one side of the frame 9 of the vehicle 4. Each oil cylinder is connected with the hydraulic station through an oil pipe.
In this embodiment, the rack 7 is fixed on a square tube 18 vertically fixed on the head pressing frame 22, and the upper ends of the square tube 18 are connected together by square connecting tubes 19 and 20.
The utility model is operated, the building block to be demoulded and the mould 2 are transported to the lower part of the demoulding device by the mould vehicle, the mould 2 on the mould vehicle and the demoulding device are positioned by the positioning rods 27 arranged at the two sides of the pressure head frame 22, then the lifting foot oil cylinders 42 of the two groups of lifting foot mechanisms 25 at the two sides of the pressure head frame 22 act, the lifting foot oil cylinders 42 push the lifting feet 40 to support the four corners of the mould 2, then the demoulding oil cylinder 24 acts to drive the lifting foot guide frame 32 of the lifting foot mechanism 25 to move upwards along the guide shaft 33, thereby simultaneously lifting the mould and the building block in the mould, then the moving vehicle 4 moves along the guide rail 6 to drive the mould and the building block to move to the demoulding position, then the pressure head lifting oil cylinder 10 acts to drive the pressure head 23 to move downwards, the pressing block in the pressure head 23 is correspondingly contacted with the building block in the mould, the building block is, and (5) demolding is finished. Then the moving vehicle 4 drives the demoulded mould to return to the original position, and the lifting foot oil cylinder 42 acts to enable the lifting foot 40 to loosen the mould, and the mould is placed on the mould vehicle to finish the whole demoulding operation.
Other parts in this embodiment are the prior art, and are not described herein again.

Claims (8)

1. A demoulding device is characterized in that: the device comprises a main frame (1), a moving vehicle (4), a mold lifting device and a building block pressing device, wherein parallel guide rails (6) are respectively arranged on the upper portion of the main frame (1) along the two sides of the length direction of the main frame, the moving vehicle (4) is movably arranged on the guide rails (6) through wheels arranged on the lower portion of the frame of the moving vehicle, four groups of synchronous lifting mechanisms which are symmetrically arranged in pairs are arranged on the upper portion of the frame of the moving vehicle (4), each group of synchronous lifting mechanisms comprises a gear (15) and a guide wheel (16) arranged opposite to the gear (15), two gears (15) in two groups of symmetrical synchronous lifting mechanisms are connected through a rotatable intermediate shaft, guide sleeves A (12) are respectively and fixedly arranged on the four corners of the frame of the moving vehicle (4), and the pressing device comprises a pressing head frame (22) and a building block pressing device arranged on the lower portion of the moving vehicle (4), Connect pressure head (23), pressure head lift cylinder (10) of pressure head frame (22) lower part, vertical fixed being provided with four racks (7) on pressure head frame (22), four rack (7) respectively with gear (15) of four groups of synchronous elevating system on the frame of locomotive (4) mesh mutually, four synchronous elevating system's leading wheel (16) cooperate with rack (7) that correspond respectively, vertical fixed being provided with four guide bar (21) on pressure head frame (22), four guide bar (21) wear to establish respectively in four uide bushing A (12) that set up on the frame of locomotive (4), the cylinder body fixed mounting of pressure head lift cylinder (10) be in the frame middle part of locomotive (4), the piston rod of pressure head lift cylinder (10) with pressure head frame (22) are connected, mould hoisting device includes two demolding oil cylinder (24), The demoulding mechanism comprises two groups of lifting foot mechanisms which are respectively arranged on two opposite sides of a press head frame (22), two demoulding oil cylinders (24) are respectively and vertically and fixedly arranged on two sides of the press head frame (22), two vertically arranged positioning rods (27) are respectively and fixedly connected on two sides of the press head frame (22), each group of lifting foot mechanisms comprises a lifting foot support (31), a lifting foot guide frame (32) and two lifting foot oil cylinders (42), the lifting foot support (31) is fixedly arranged on two sides of the press head frame (22), two guide shafts (33) are vertically and fixedly arranged on the lifting foot support (31), two ends of the lifting foot guide frame (32) are respectively connected with the two guide shafts (33) through guide sleeves B (34), the lower parts of two ends of the lifting foot guide frame (32) are respectively hinged with a lifting foot (40), and the two lifting foot oil cylinders (42) are respectively arranged corresponding to the lifting feet (40), one end of the lifting foot oil cylinder (42) is hinged with the lifting foot guide frame (32), the other end of the lifting foot oil cylinder is hinged with the lifting foot (40), and piston rods of the two demoulding oil cylinders (24) are respectively connected with the two lifting foot guide frames (32).
2. The demolding device as claimed in claim 1, wherein: the cross section of the positioning rod (27) is pentagonal.
3. The demolding device as claimed in claim 1, wherein: the front end of the positioning rod (27) is a V-shaped edge.
4. The demolding device as claimed in claim 3, wherein: the positioning rod (27) is installed on a bottom plate (29) through an installation seat (30), the bottom plate (29) is fixedly connected with the pressure head frame (22), a strip-shaped installation hole is formed in the bottom plate (29), and the installation seat (30) is matched with the strip-shaped installation hole through a bolt and is connected with the bottom plate (29).
5. The demolding device as claimed in claim 1, wherein: and a piston rod of the pressure head lifting oil cylinder (10) is connected with the pressure head frame (22) through a pin shaft.
6. The demolding device as claimed in claim 1, wherein: a hydraulic station (5) is arranged on the frame of the moving vehicle (4).
7. The demolding device as claimed in claim 1, wherein: the rack (7) is fixed on a square pipe which is vertically fixed on the head pressing frame (22), and the upper ends of the square pipe are connected together through a connecting square pipe.
8. The demolding device as claimed in claim 1, 2, 3, 4, 5, 6 or 7, wherein: two groups of wheels are symmetrically arranged on the lower portion of the frame of the moving vehicle (4), one group of wheels is connected through a driving shaft, and one end of the driving shaft is connected with an output shaft of a worm gear reducer arranged on one side of the frame of the moving vehicle (4).
CN201920503142.8U 2019-04-15 2019-04-15 Demoulding device Expired - Fee Related CN209887839U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920503142.8U CN209887839U (en) 2019-04-15 2019-04-15 Demoulding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920503142.8U CN209887839U (en) 2019-04-15 2019-04-15 Demoulding device

Publications (1)

Publication Number Publication Date
CN209887839U true CN209887839U (en) 2020-01-03

Family

ID=69018957

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920503142.8U Expired - Fee Related CN209887839U (en) 2019-04-15 2019-04-15 Demoulding device

Country Status (1)

Country Link
CN (1) CN209887839U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109877957A (en) * 2019-04-15 2019-06-14 山东祀方机械有限公司 A kind of stripper apparatus
CN111645181A (en) * 2020-06-16 2020-09-11 范满香 Prefabricated bridge pier demolding equipment for fabricated bridge and prefabricated bridge pier demolding process

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109877957A (en) * 2019-04-15 2019-06-14 山东祀方机械有限公司 A kind of stripper apparatus
CN111645181A (en) * 2020-06-16 2020-09-11 范满香 Prefabricated bridge pier demolding equipment for fabricated bridge and prefabricated bridge pier demolding process

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Granted publication date: 20200103

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