Composite prefabricated part production line

Abstract

The composite prefabricated part production line is used for producing bridge deck system components and small prefabricated parts. Comprising a conveying line, overturning demolding equipment and a jacking demolding device. The overturning demolding equipment comprises a bearing frame, a mold table holding and placing device, a conveying device and an overturning driving device. The die table holding and placing device is installed on the bearing frame and used for holding and placing a die table, and the conveying device is connected with the bearing frame. The turnover driving device is in transmission connection with the bearing frame so as to drive the bearing frame to turn over and enable the bearing frame to have a first position and a second position turning over towards one side; the jacking demolding device is used for lifting the mold table located at the second position. The conveying line is provided with a position penetrating through the lower portion of the bearing frame. The conveying device is provided with a position which is located above the jacking demolding device and located below the bearing frame. The composite prefabricated part production line disclosed by the utility model can meet the production of bridge deck system components and small prefabricated parts, and has the advantages of high efficiency, good universality and the like.

Description

TECHNICAL FIELD

[0001] The utility model relates to prefabricated production technical field, concretely relates to composite prefabricated production line. BACKGROUND

[0002] In the fields of traffic, building, water conservancy and municipal administration, the types of small prefabricated used are more, and the quantity is larger. Batch, flow, high efficiency and the like of prefabricated production have become the development emphasis and development direction at present and in the future.

[0003] The existing small prefabricated is in the production process, because the structure of prefabricated is smaller, in order to reduce the equipment investment cost, the mould used is generally made of low cost material such as plastic. Specifically, a plurality of small prefabricated moulds are fixed on the mould table, which facilitates the implementation of the processes such as cloth distribution, transfer, demoulding and the like of small prefabricated, and thus can better realize the batch, automation production of small prefabricated, and improve the production efficiency.

[0004] Turnover demoulding is an important process of prefabricated production. In the field of railway traffic, not only small prefabricated needs to be produced, but also bridge deck system components with larger structure need to be produced. However, the turnover demoulding equipment of small prefabricated and the turnover demoulding equipment of bridge deck system components with larger structure often need turnover demoulding equipment with different structures to perform turnover demoulding. Moreover, in the prior art, small prefabricated and bridge deck system components are produced through different production lines, which has the problems of large floor area, high production cost and overcapacity. The existing squirrel-cage type small prefabricated turnover demoulding equipment obviously cannot simultaneously meet the flow line production requirements of producing small prefabricated and bridge deck system components. Therefore, it is of great significance to develop a small prefabricated turnover demoulding equipment capable of simultaneously meeting the flow line production of small prefabricated and bridge deck system components with larger structure. UTILITY MODEL CONTENTS

[0005] The purpose of the present application is at least to provide a turnover demoulding equipment capable of better meeting the flow line production of small prefabricated and bridge deck system components with larger structure, and capable of better receiving and transferring the demoulded small prefabricated, capable of better meeting the requirements of automatic production of related products, and having better universal applicability. The following scheme is specifically used to realize the purpose:

[0006] The application provides a composite prefabricated part production line for producing bridge deck system components and small prefabricated parts, comprising a conveying line and a turnover demolding device, the conveying line is configured to be capable of transferring bridge deck system component molds and transferring mold tables carrying small prefabricated part molds; wherein the turnover demolding device comprises a carrying frame, a mold table holding device, a conveying device, a turnover driving device and a jacking demolding device; the mold table holding device is installed on the carrying frame, the conveying device is connected with the carrying frame; the turnover driving device is in driving connection with the carrying frame, and the turnover driving device is configured to drive the carrying frame to turn over, so that the carrying frame has a first position and a second position turned over to one side; the jacking demolding device is configured to hold the mold table in the second position, and the jacking demolding device is located on one side of the conveying line.

[0007] When the carrying frame is in the first position, the conveying line passes through the lower part of the carrying frame, the conveying device faces the conveying line, and the mold table holding device has a position for holding the mold table conveyed by the conveying line;

[0008] When the carrying frame is in the second position, the mold table holding device has a position for holding the demolded mold table, and the conveying device is located above the jacking demolding device and below the carrying frame, so that the conveying device can receive and transfer the demolded small prefabricated part in the second position.

[0009] The application sets the mold table holding device, and installs the mold table holding device on the carrying frame, when the carrying frame is in the first position, the mold table holding device can hold the mold table carrying the unmolded prefabricated part on the conveying line, so that the mold table has the turnover condition, to meet the turnover of the unmolded prefabricated part carried by the mold table; similarly, in the first position, the mold table holding device can also place the demolded mold table on the conveying line, and the conveying line can transfer the demolded mold table to the next station, thereby better meeting the needs of the assembly line production of small prefabricated parts. Secondly, the application makes the carrying frame have a first position and a second position turned over to one side of the carrying frame, so that the position of the carrying frame can be switched between the first position and the second position, not only can realize the turnover demolding function of the small prefabricated part, when producing larger bridge deck system components, the carrying frame can be located in the second position, so that the bridge deck system component mold or the unmolded bridge deck system component can pass through the prefabricated part turnover demolding device, to better meet the needs of the assembly line production of prefabricated parts of different sizes, and make the turnover demolding device have better universality. Thirdly, the application sets the conveying device, which can assist the turnover demolding of the small prefabricated part under the action of the conveying device, and the conveying device can stop and receive the small prefabricated part during the turnover of the mold table, to prevent the problem of damage to the prefabricated part caused by large falling difference during the turnover.

[0010] In some preferred embodiments of the present application, a small preform transfer line is further included, which is located at one side of the jacking demolding device and is configured to receive and transfer the small preforms conveyed by the conveying device, and the conveying direction of the conveying device is parallel or perpendicular to the transfer direction of the small preform transfer line. The small preform transfer line is arranged at one side of the jacking demolding device to receive and transfer the small preforms conveyed by the conveying device, so as to better meet the needs of pipeline production and automatic production of small preforms.

[0011] In some preferred embodiments of the present application, the turnover demolding device further comprises a lifting driving device, the conveying device is connected with the carrier frame through the lifting driving device, and when the carrier frame is in the first position, the conveying direction of the conveying device is perpendicular or substantially perpendicular to the pushing and pulling direction of the lifting driving device, and the conveying device can move towards and away from the direction of the conveying line.

[0012] The conveying device is connected with the carrier frame through the lifting driving device, and the distance between the conveying device and the mold table can be adjusted by the lifting driving device according to the production needs of small preforms of different sizes and different models, so that the conveying device is located at a position that can better receive small preforms, thereby improving the universal applicability of the turnover demolding device. In addition, after the small preforms are transferred and demolded, the height of the conveying device can be adjusted by the lifting driving device according to the height of the downstream small preform transfer line, so as to better meet the transfer requirements of small preforms.

[0013] In some preferred embodiments of the present application, the carrier frame comprises a square frame and a mounting frame connected with each other, and when the carrier frame is in the first position, the mounting frame is located at the side of the square frame facing away from the conveying line. The conveying device is connected with the mounting frame through the lifting driving device, and the conveying device is opposite to the area surrounded by the square frame.

[0014] In some preferred embodiments of the present application, the mounting frame comprises four columns and a connecting beam. The first and second side frames of the square frame are opposite to each other and are connected with two columns respectively, and each column extends vertically upward when the carrier frame is in the first position. The adjacent columns are connected through the connecting beam, and the lifting driving device is mounted on the connecting beam or the column.

[0015] In some preferred embodiments of the present application, the third and fourth side frames of the square frame are selectively provided with at least one mold table holding device, which includes a first push-pull assembly and a pin shaft, the pin shaft being installed on the push-pull end of the first push-pull assembly, and the push-pull end of the first push-pull assembly having a position horizontally facing the mold table placement area on the conveying line, the pin shaft being driven by the first push-pull assembly to be able to face and be away from the mold table placement area to insert or disengage the mold table; or, the third and fourth side frames of the square frame are selectively provided with at least one mold table holding device, which includes a first push-pull assembly and a pin hole, the pin hole being installed on the push-pull end of the first push-pull assembly, and the push-pull end of the first push-pull assembly having a position horizontally facing the mold table placement area on the conveying line, the pin hole being driven by the first push-pull assembly to be able to face and be away from the mold table placement area to insert or disengage the mold table.

[0016] In some embodiments of the present application, the third side frame is selectively provided with two mold table holding devices, and the two mold table holding devices are spaced apart and can be respectively positioned opposite the connection on the mold table of the mold table placement area; and / or, the fourth side frame is selectively provided with two mold table holding devices, and the two mold table holding devices are spaced apart and can be respectively positioned opposite the connection on the mold table of the mold table placement area.

[0017] In some embodiments of the present application, the turnover demolding device further includes a second push-pull assembly, at least one second push-pull assembly being installed on the first side frame, and the push-pull end of the second push-pull assembly having a position horizontally facing the mold table placement area to position the mold table. By installing at least one second push-pull assembly on the first side frame, under the action of the second push-pull assembly, the mold table can be better positioned and constrained during the turnover process, and the radial force generated by the mold table on the mold table holding device during the turnover process can be reduced, so as to improve the reliability and service life of the mold table holding device.

[0018] In some embodiments of the present application, the conveying device can selectively comprise a plurality of rollers, a roller mounting frame and a driving motor, the driving motor is mounted on the roller mounting frame, the roller mounting frame is connected with the lifting driving device, the plurality of rollers are mounted side by side on the roller mounting frame and are arranged at intervals along a direction parallel to the overturning axis of the carrier frame, the driving motor is in driving connection with at least part of the rollers, when the carrier frame is in the first position, the plurality of rollers are in the same horizontal plane; or the conveying device comprises a plurality of rollers, a roller mounting frame and a driving motor, the driving motor is mounted on the roller mounting frame, the roller mounting frame is connected with the lifting driving device, the plurality of rollers are mounted side by side on the roller mounting frame and are arranged at intervals along a direction perpendicular to the overturning axis of the carrier frame, the driving motor is in driving connection with at least part of the rollers, when the carrier frame is in the first position, the plurality of rollers are in the same horizontal plane; or the conveying device is a chain wheel and chain type conveying device, the chain wheel and chain type conveying device is parallel to the square frame, the driving direction of the chain wheel and chain type conveying device is parallel or perpendicular to the rotation axis of the carrier frame, when the carrier frame is in the first position, the chain wheel and chain type conveying device is in the same horizontal plane.

[0019] In some embodiments of the present application, the jacking demolding device comprises a plurality of groups of support columns, each group of support columns is capable of penetrating through the conveying device to support the mold table overturned by the small preform overturning equipment; each group of support columns is correspondingly provided with a jacking rod, the first end of the jacking rod is configured to be capable of penetrating through the conveying device to jack up the mold table overturned by the small preform overturning equipment; the second end of the jacking rod is connected with an inflatable bag. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 A structural schematic diagram of a partial production line comprising a overturning and demolding equipment, a conveying line and a small preform transfer line involved in some embodiments of the present application;

[0021] Figure 2 A structural schematic diagram of one perspective of the overturning and demolding equipment involved in some embodiments of the present application;

[0022] Figure 3 A structural schematic diagram of a second perspective of the overturning and demolding equipment shown in Figure 2

[0023] Figure 4 A structural schematic diagram of a first perspective of a partial production line comprising an overturning and demolding equipment and a conveying line involved in some embodiments of the present application;

[0024] Figure 5 A structural schematic diagram of a second perspective of the partial production line shown in Figure 4

[0025] Figure 6 A structural schematic diagram of a second perspective of the partial production line shown in Figure 4 ​​The third perspective view of the partial production line, in which the mold table holding device does not hold the mold table.

[0026] Figure 7 The third perspective view of the partial production line, in which the mold table holding device holds the mold table. Figure 4 The third perspective view of the partial production line, in which the mold table holding device holds the mold table.

[0027] Figure 8 The third perspective view of the partial production line, in which the mold table holding device holds the mold table.

[0028] Figure 9 The third perspective view of the partial production line, in which the mold table holding device holds the mold table.

[0029] In the figure:

[0030] 1, bearing frame; 11, square frame; 111, first side frame; 112, second side frame; 113, third side frame; 114, fourth side frame; 12, mounting frame; 121, stand column; 122, connecting beam;

[0031] 2, mold table holding device; 21, first push-pull assembly; 22, pin shaft;

[0032] 3, conveying device; 31, idler mounting frame; 32, idler; 33, driving motor; 34, guide wheel; 35, guide rail;

[0033] 4, lifting driving device;

[0034] 5, overturning driving device; 51, overturning driving motor; 52, transmission assembly; 521, first gear; 522, second gear;

[0035] 6, second push-pull assembly;

[0036] 7, jacking and demolding device; 71, support stand column; 72, jacking rod; 73, inflatable bag;

[0037] 81, first support column; 82, second support column;

[0038] 91, conveying line; 92, small preform transfer line;

[0039] 10, mold table placement area;

[0040] 20, sprocket and chain conveying device;

[0041] 100, mold table; 101, latch hole;

[0042] 200, overturning and demolding equipment. DETAILED DESCRIPTION

[0043] Exemplary embodiments of the present application will be described herein below with reference to the accompanying drawings. While exemplary embodiments of the present application are illustrated, it is to be understood that the present application is not limited to the exemplary embodiments described herein, but can be implemented in various forms. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the present application to those skilled in the art.

[0044] It is to be understood that the terms used herein are merely for the purpose of describing particular embodiments and are by no means intended to be limiting. As used herein, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "includes," "including," and the like are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless specifically identified as an order dependent step. It is also to be understood that additional or alternative steps can be employed.

[0045] Although the terms "first," "second," "third," and the like can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be merely used to distinguish one element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first," "second," and the like used herein do not imply a sequence or order, but rather are used to distinguish one element, component, region, layer or section from another element, component, region, layer or section. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0046] Spatially relative terms, such as "internal," "external," "inner," "outer," "lower," "bottom," "top," "upper," and the like, can be used herein for ease of description to describe one element or feature's relationship to another element(s) or feature(s) as illustrated in the figures. Spatially relative terms can be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below" can encompass both an orientation of above and below. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

[0047] In the description of the utility model, it needs to be explained that, the terms "center", "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0048] In the description of the utility model, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "provided with", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, and can also be detachably connected; it can be mechanically connected, and can also be electrically connected; it can be directly connected, and can also be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0049] In the present application, a certain value above includes the number, for example, two or more includes two.

[0050] It should be pointed out that "a plurality of supporting rollers are substantially on the same horizontal plane" in the present application is to make the scope of protection claimed in the present application cover the scheme that a plurality of supporting rollers are not on the same horizontal plane due to machining errors, installation errors and other factors.

[0051] The technical scheme of the utility model will be described clearly and completely in combination with the drawings below, obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary skilled persons in the art without creative labor belong to the scope of protection of the utility model.

[0052] The following will be described according to Figures 1 to 9 The utility model provides a composite prefabricated part production line and production method.

[0053] The composite prefabricated part production line provided in the present application is used for producing bridge deck system components and small prefabricated parts. The composite prefabricated part production line comprises a conveying line 91, a turnover demolding device 200 and a small prefabricated part transfer line 92.

[0054] The conveying line 91 is configured to be capable of transferring the bridge system component mold and the mold table carrying the small precast component mold. It should be noted that the "conveying line" in the present application is not specifically limited, which can be any conveying line capable of transferring the mold table carrying the unmolded precast component. The conveying line 91 should be selectively set according to actual needs so that the conveying line 91 can meet the production needs. In specific implementation, the conveying line 91 can be a roller type conveying line, a roller type conveying line, a traction type conveying line, or a conveying line including a transfer trolley, etc. As a preferred, the conveying line 91 is an automated conveying line to realize the automatic transfer process of the mold table. In specific implementation, the bridge system component mold transferred by the conveying line 91 can be a mold that has been demolded or a mold that has not been demolded. Similarly, the small precast component mold transferred by the conveying line 91 can be a mold that has been demolded or a mold that has not been demolded.

[0055] The "small precast component transfer line" in the present application is also not specifically limited, which can be any transfer line capable of receiving the small precast component demolded by the turnover demolding device 200. In specific implementation, the small precast component transfer line can be a roller type transfer line, a sprocket chain type transfer line, or a belt type transfer line, etc. In specific implementation, the small precast component transfer line 92 is also preferably an automated transfer line. To better realize the automated production of small precast components. In addition, the present application can also be selectively not provided with a small precast component transfer line in specific implementation.

[0056] The turnover demolding device 200 includes a carrying frame 1, a mold table holding device 2, a conveying device 3, a turnover driving device 5, and a jacking demolding device 7. The mold table holding device 2 is installed on the carrying frame 1, and the conveying device 3 is connected with the carrying frame 1. The turnover driving device 5 is drivingly connected with the carrying frame 1, and the turnover driving device 5 is configured to drive the carrying frame 1 to overturn, so that the carrying frame 1 has a first position and a second position turned to one side. The jacking demolding device 7 is configured to hold and place the mold table 100 in the second position, and the jacking demolding device 7 is located on one side of the conveying line 91, as shown in Figure 2 and Figure 3 The jacking demolding device 7 is located on one side of the turnover demolding device 200, the small precast component transfer line 92 is located on one side of the jacking demolding device 7, and the small precast component transfer line 92 is configured to be capable of receiving and transferring the small precast component conveyed by the conveying device 3.

[0057] It should be noted that the "jacking demolding device" in the present application is not specifically limited, which can be any device capable of holding and placing the mold table to facilitate the demolding of the small precast component. Specifically, as shown in Figure 3 and Figure 5As shown, the jacking and stripping device 7 includes four groups of support columns 71, each of which is capable of passing through the conveying device 3 to support the mold table flipped by the small preform flipping device. And each group of support columns 71 is provided with a jacking rod 72, the first end of which is configured to pass through the conveying device 3 to jack up the mold table flipped by the small preform flipping device. The second end of the jacking rod 72 is connected with an air bag 73.

[0058] In specific work, the flipping and stripping device 200 flips the mold table carrying the unmolded mold to the second position, and the plurality of groups of support columns 71 support the flipped mold table. Further, the air bag 73 is inflated and deflated to drive the jacking rod 72 to hold and release the mold table, and then the mold table is vibrated to achieve the stripping effect. In specific implementation, the jacking and stripping device 7 can also be a jacking and stripping device including a crank and connecting rod mechanism; or the jacking and stripping device 7 can also be a jacking and stripping device including a telescopic cylinder.

[0059] In the specific implementation process, when the carrier 1 is in the first position, the conveying line 91 passes through the lower part of the carrier 1. The conveying device 3 is directed towards the conveying line 91 (as shown in Figure 2 and Figure 3 , and the mold table holding and releasing device 2 has a position to hold and release the mold table conveyed by the conveying line 91. When the carrier 1 is in the second position, the mold table holding and releasing device 2 has a position to hold and release the mold table after stripping. The conveying device 3 is located above the jacking and stripping device 7 and below the carrier 1, so that the conveying device can receive and transport the stripped small preform in the second position.

[0060] Specifically, as shown in Figure 1 , when the carrier 1 is in the first position, the conveying line 91 passes through the lower part of the carrier 1, so that the conveying line 91 can convey the mold table 100 carrying the unmolded preform to the flipping and stripping device 200; or can carry and transport the mold table 100 after stripping. In order to enable the small preform transport line 92 to receive the small preform after stripping, as shown in Figure 1 , the small preform transport line 92 is located on one side of the jacking and stripping device 7, and the extension direction of the small preform transport line 92 is parallel to the extension direction of the conveying line 91. And the small preform transport line 92 is located downstream of the conveying route of the conveying device 3 to receive the small preform transported by the conveying device 3. As a variable implementation, the small preform transport line 92 can also be perpendicular to the conveying line 91.

[0061] Specifically, as shown in Figure 2 and Figure 3As shown, the conveying device 3 is connected with the carrier 1 through the lifting driving device 4, so that the conveying device 3 can be close to and away from the mold table placement area 10. When the carrier 1 is in the first position, the conveying direction of the conveying device 3 is perpendicular or substantially perpendicular to the pushing and pulling direction of the lifting driving device 4, and the conveying device 3 can move towards and away from the direction of the conveying line. And the overturning driving device 5 is drivingly connected with the carrier 1, and the overturning driving device 5 is configured to drive the carrier 1 to overturn, so that the carrier 1 is in the first position or in the second position.

[0062] It should be noted that the overturning and demolding equipment 200 of the present application can not be provided with the lifting driving device 4, and the specific selection and setting can be selected according to the production needs. But preferably, the conveying device 3 is connected with the carrier 1 through the lifting driving device 4.

[0063] When it is necessary to overturn and demold small preforms, the mold table holding and placing device 2 holds the mold table 100 of the mold table placement area 10, and moves the conveying device 3 towards the mold table 100 through the lifting driving device 4 to a set position, so as to limit and support the demolded preforms. Further, the carrier 1 is driven to overturn to a set position (preferably, the overturned mold table 100 is in a horizontal or substantially horizontal state) through the overturning driving device 5. And the mold table holding and placing device 2 releases the overturned mold table 100 to a set position (for example, a position capable of supporting the mold table 100); then the mold table 100 is vibrated and demolded to make the small preforms fall onto the conveying device 3. The conveying device 3 transfers the demolded preforms to a set position (for example Figure 1 As shown, the conveying device 3 transfers the preforms to the small preform transfer line 92). After the demolding is completed, the demolded mold table 100 is further obtained by the mold table holding and placing device 2, and the demolded mold table 100 is overturned to the mold table placement area 10 through the overturning driving device 5.

[0064] It should be noted that the "mold table placement area" in the present application is the position where the mold table transferred by the conveying line is picked up by the mold table holding and placing device, and the specific position is as shown in Figure 6 .

[0065] It should be noted that the "carrier" in the present application is not specifically limited, which can be any structure meeting the installation requirements of the conveying device 3. The carrier 1 can be optionally processed from a profile (for example, square steel pipe, channel steel, etc.). As shown in Figures 2 to 7 The carrier 1 is welded from a square steel pipe, a channel steel, etc.

[0066] It also needs to be pointed out that the "conveying device" in the present application is not specifically limited, which can be any conveying device capable of receiving the small preform after demolding and transferring the received small preform to a designated position. In specific implementation, the conveying device 3 can be selectively made into a conveying device including a plurality of conveying rollers 32 (as shown in Figure 2 and Figure 3 ). The conveying device 3 can also be a chain conveying device (as shown in Figure 9 ), and can also be a belt conveying device (not shown in the figure). In specific implementation, the conveying assembly of the conveying device 3 is preferably on the same plane and can cover the mold fixed on the mold table 100, so that the preform after demolding can be better received during the turnover demolding process. The present application can assist in the turnover demolding of the small preform under the action of the conveying device 3. Specifically, during the turnover process of the mold table 100, the conveying device 3 can limit and receive the small preform to prevent the small preform from falling during the turnover process, thereby avoiding the problem of preform damage.

[0067] In addition, the conveying device 3 is connected to the carrier frame 1 through the lifting driving device 4, so that the distance between the conveying device 3 and the mold table 100 can be adjusted. In specific production process, the distance between the conveying device 3 and the mold table holding device 2 holding the mold table 100 can be adjusted according to the production needs of small preforms of different sizes, different specifications and different types, so that the conveying device 3 is located at a position where the small preform can be better received.

[0068] It also needs to be pointed out that the "lifting driving device" in the present application is not specifically limited, which can be any driving device capable of meeting the production needs and driving the conveying device 3 to move to a designated position towards or away from the mold placing area 10. In specific implementation, the lifting driving device 4 can be selectively made into a driving device including a telescopic cylinder (not shown in the figure); or the lifting driving device 4 can be selectively made into a screw lifting platform (as shown in Figure 2 and Figure 3 ); or the lifting driving device 4 can be selectively made into a driving device including a rack and pinion linear module (not shown in the figure); or the lifting driving device 4 can be selectively made into a scissor lifting platform (not shown in the figure). When transferring the small preform after demolding, the height of the conveying device 3 can be adjusted by the lifting driving device 4 according to the height of the downstream small preform transfer line 92, so as to better meet the transfer requirements of the small preform, thereby making the turnover demolding equipment 200 have better universality.

[0069] It should be further noted that the "turnover driving device" in the present application is not specifically limited, which can be any driving device capable of driving the carrier frame 1 to rotate by a set angle as required, so that the carrier frame 1 can be switched between the first position and the second position. In specific implementation, the turnover driving device 5 is preferably composed of a turnover driving motor 51 and a transmission assembly 52, and the turnover driving motor 51 is drivingly connected to the carrier frame 1 through the transmission assembly 52, so that the carrier frame 1 can be turned over by a set angle under the driving of the turnover driving motor 51, so as to achieve the purpose of turning over the mold table 100 to a set first position or second position.

[0070] In specific implementation, the carrier frame 1 is preferably capable of rotating by 180° under the driving of the turnover driving motor 51. It should be noted that, considering the influence of factors such as machining accuracy, the turnover angle of the carrier frame 1 is not exactly 180°, which can be any angle that meets the turnover demolding requirement, but the turnover angle of the carrier frame 1 is preferably any value between 180°±20°, and more preferably 180°±10°.

[0071] The present application can switch the position of the carrier frame 1 between the first position and the second position after the carrier frame 1 is turned over to one side of the carrier frame 1, so as to realize the turnover function of the mold table 100. When producing bridge system components, the carrier frame 1 can be located at the second position, so that the bridge system component mold or the demolded bridge system component can pass through the prefabricated turnover demolding equipment, so as to better meet the needs of the production line of prefabricated products of different sizes.

[0072] In addition, the "mold table holding and placing device" in the present application is not specifically limited, which can be any device capable of holding and releasing the mold table as required. In specific implementation, a plurality of pin holes 101 (as shown in Figure 8 ) can be selectively provided on the mold table 100, so that the mold table holding and placing device 2 comprises pin shafts 22 (as shown in Figure 2 and Figure 3 ) adapted to the pin holes 101. Alternatively, a plurality of pin shafts 22 can be selectively provided on the side wall of the mold table 100, so that the mold table holding and placing device 2 comprises pin holes 101 adapted to the pin shafts 22. In specific implementation, the mold table holding and placing device 2 can be controlled to realize the function of holding and releasing the mold table 100 by inserting the pin shafts 22 into the pin holes 101 one by one. The present application provides the mold table holding and placing device 2, which can hold the mold table 100 that has not been demolded when the carrier frame 1 is at the first position, so as to prepare for the turnover of the mold table 100. Similarly, the mold table holding and placing device 2 can also hold the mold that has been demolded from the second position and place the demolded mold table 100 in the mold table placing area 10 when the carrier frame 1 is at the first position.

[0073] As shown in Figures 2 to 6 , the carrier 1 comprises a square frame 11 and a mounting frame 12 which are connected to each other. When the carrier 1 is in the first position, the mounting frame 12 is located at the side of the square frame 11 which is opposite to the placing area 10 of the mold table. The conveying device 3 is connected to the mounting frame 12 via the lifting driving device 4, and the conveying device 3 is opposite to the area surrounded by the square frame 11. In the specific implementation, the square frame 11 and the mounting frame 12 of the carrier 1 in the present application are preferably integrated.

[0074] As shown in Figure 2 and Figure 3 , the square frame 11 in the present application comprises a first side frame 111, a second side frame 112, a third side frame 113 and a fourth side frame 114, and the first side frame 111, the third side frame 113, the second side frame 112 and the fourth side frame 114 are connected end to end. It should be noted that the size of the square frame 11 should be set according to the size of the mold table 100. As shown in Figures 2 to 5 , it is further preferred that the square frame 11 is a rectangular frame, and the rectangular frame is processed from a square tube. It is also preferred that the bearing surface (or conveying surface) of the conveying device 3 is parallel or substantially parallel to the square frame 11.

[0075] In the specific work, the conveying direction of the transmission device is from one side frame of the square frame 11 to the opposite side frame. As shown in Figure 2 and Figure 3 , the first side frame 111 and the second side frame 112 are parallel to the rotation axis of the carrier 1, and the rotation radius of the first side frame 111 is smaller than that of the second side frame 112 during the overturning. In the specific implementation, the conveying device 3 can be selectively conveyed from the third side frame 113 to the fourth side frame 114. As a convertible embodiment, the conveying device 3 can also be selectively conveyed from the fourth side frame 114 to the third side frame 113, or from the first side frame 111 to the second side frame 112. The conveying direction of the conveying unit can be selectively set according to the arrangement of the production line. As shown in Figure 1 , the conveying direction of the transmission unit is from the third side frame 113 to the fourth side frame 114.

[0076] As some preferred embodiments of the present application, as shown in Figures 2 to 7 , the mounting frame 12 comprises four columns 121 and a connecting beam 122. The first side frame 111 and the second side frame 112 of the square frame 11 are opposite to each other and are connected to two columns 121 respectively. When the carrier 1 is in the first position, as shown in Figures 2 to 7The four upright columns 121 are vertically upwardly arranged. Adjacent upright columns 121 are connected by connecting beams 122, and the lifting driving device 4 is installed on the connecting beams 122 or the upright columns 121. The mounting rack 12 of the present application comprises the upright columns 121 and the connecting beams 122 connected in the above manner, which facilitates the installation of the lifting driving device 4 and the conveying device 3, and better meets the bearing requirements of the mounting rack 12.

[0077] Specifically, the lifting driving device 4 is a screw rod lifting platform, and the conveying device 3 is connected to the mounting rack 12 through the screw rod lifting platform. As shown in Figures 2 to 7 The conveying device 3 is drivingly connected to the mounting rack 12 through the screw rod lifting platform. It should be noted that the screw rod lifting platform is a conventional scheme for achieving lifting, which will not be described in detail here. It should also be noted that the arrangement of the screw rod lifting platform is not limited to the arrangement shown in the figure, and it can be any arrangement that meets the lifting requirements of the conveying device 3.

[0078] As some alternative embodiments of the present application, the lifting driving device 4 can also be selectively arranged as a driving device comprising a telescopic cylinder, the cylinder body of the telescopic cylinder being connected to the mounting rack 12, the telescopic end of the telescopic cylinder being connected to the conveying device 3, and the telescopic direction of the telescopic cylinder being perpendicular to the conveying surface of the conveying device 3. Preferably, four telescopic cylinders are included, and the four telescopic cylinders are one-to-one corresponding to the four upright columns 121 and are connected to each other. As alternative embodiments, the telescopic cylinders can also be selectively arranged on the connecting beams 122 corresponding to the first frame 111 and the second frame 112. In specific implementation, the telescopic cylinders can be further selectively arranged as pneumatic telescopic cylinders or hydraulic telescopic cylinders.

[0079] As another alternative embodiment of the present application, the lifting driving device 4 can also be selectively arranged as a scissor lifting platform (not shown in the figure), and the conveying device 3 is connected to the mounting rack 12 through the scissor lifting platform. Similarly, the scissor lifting platform is also a conventional scheme, which will not be described in detail here.

[0080] The present application can achieve the position adjustment of the conveying device 3 through control by arranging the lifting driving device 4 to comprise a telescopic cylinder, or one of a screw rod lifting platform, a scissor lifting platform, etc., which can better meet the requirements of automatic production.

[0081] As some preferred embodiments of the present application, a plurality of guide rails 35 extending along the extension direction of the upright columns 121 are selectively arranged on the conveying device 3, the guide rails 35 correspond to the upright columns 121 one-to-one, and the upright columns 121 are provided with guide wheels 34 adapted to the guide rails 35, the guide wheels 34 being adaptively connected to the guide rails 35, so that the guide wheels 34 move along the guide rails 35 during the lifting of the conveying device 3. As shown in Figures 2 to 5As shown, four guide rails 35 extending along the extending direction of the upright column 121 are arranged on the conveying device 3, and each guide rail 35 corresponds to one upright column 121. Figure 2 and Figure 3 As shown, a plurality of guide wheels 34 adapted to the guide rails 35 are arranged on each upright column 121 to guide the conveying device 3.

[0082] As some alternative embodiments of the present application, the upright column 121 is optionally provided with a plurality of guide wheels 34 opposite to the conveying device 3, and the conveying device 3 is provided with guide rails 35 extending along the extending direction of the upright column 121, and the guide wheels 34 are adapted to the guide rails 35 (not shown in the figure). The present application can better ensure the position accuracy of the conveying device 3 through the cooperation of the guide wheels 34 and the guide rails 35, so as to better meet the automation of the lifting of the conveying device 3.

[0083] As alternative embodiments, the guide wheels 34 involved in the foregoing embodiments can be replaced by sliding blocks slidably adapted to the guide rails 35.

[0084] As some preferred embodiments of the present application, the third edge frame 113 and the fourth edge frame 114 opposite to the square frame 11 are optionally provided with at least one mold table holding device 2 respectively. It should be noted that the number of the mold table holding devices 2 arranged on the third edge frame 113 and the fourth edge frame 114 opposite to the square frame 11 is not specifically limited. In specific implementation, the number of the mold table holding devices 2 arranged on the third edge frame 113 and the fourth edge frame 114 respectively can be one, two or more than three. Specifically as Figures 2 to 7 As shown in the prefabricated part turnover and demolding equipment, two mold table holding devices 2 are arranged on the third edge frame 113 and the fourth edge frame 114 respectively, and the two mold table holding devices 2 are installed at the lower part of the square frame 11 in a spaced manner.

[0085] As preferred embodiments under the foregoing embodiments, the mold table holding device 2 further comprises a first push-pull assembly 21 and a pin shaft 22. Specifically as Figure 2 and Figure 3 As shown, the pin shaft 22 is installed at the push-pull end of the first push-pull assembly 21, and the push-pull end of the first push-pull assembly 21 has a position horizontally facing the mold table placement area 10. The pin shaft 22 driven by the first push-pull assembly 21 can face or be away from the mold table placement area 10 to insert or disengage the mold table 100.

[0086] It should be noted that the first push-pull assembly 21 in the present application can be optionally provided as a telescopic cylinder, a gear and rack push-pull assembly, etc. In specific implementation, the pin shaft 22 can be controlled to move towards or away from the mold table 100 placed in the mold table placement area 10 to hold or release the mold table 100. In specific implementation, asFigure 8 As shown, the mold table 100 is provided with pin holes 101 which are adapted to the pin shafts 22 of the mold table holding device 2, and the opposite sides of the mold table 100 are respectively provided with two pin holes 101. Further, as shown Figure 2 Figure 3 As shown, the third and fourth side frames 113 and 114 are respectively provided with two mold table holding devices 2 which can be respectively aligned and adapted to the pin holes 101 on the mold table 100. When the mold table 100 is located on the mold table placement area 10 through the conveying line 91, each mold table holding device 2 corresponds to a pin hole 101, and further through the control of the first push-pull assembly 21, the pin shafts 22 are inserted into the pin holes 101, thereby holding the mold table 100, so as to facilitate the overturning of the mold table 100.

[0087] As a transformable embodiment, the mold table holding device 2 can also selectively include the first push-pull assembly 21 and the pin shafts 22, and the push-pull end of the first push-pull assembly 21 is connected with two pin shafts 22, and one mold table holding device 2 is arranged on the third and fourth side frames 113 and 114. In specific work, the two pin shafts 22 can be respectively aligned with the two pin holes 101 on one side of the mold table 100, and under the action of the first push-pull assembly 21, the pin shafts 22 can be respectively inserted into the pin holes 101 one by one, thereby realizing the holding function of the mold table 100.

[0088] As a transformable embodiment, the positions of the pin holes 101 and the pin shafts 22 in the foregoing embodiments can be exchanged, that is, the mold table holding device 2 is provided with the pin holes 101, and the sidewall of the mold table 100 is provided with pin shafts 22 which can be adapted to the pin holes 101 on the mold table holding device 2, and the holding function of the holding device can also be realized. In addition, the mold table holding device 2 can also be selectively a magnetic device, and the holding and releasing functions of the mold table 100 can be realized by controlling the magnetic device. In addition, the mold table holding device 2 can also be selectively a clamp which is adapted to the mold table 100; and the like.

[0089] As some preferred embodiments of the present application, the overturning demolding device 200 further includes a second push-pull assembly 6, and at least one second push-pull assembly 6 is installed on the first side frame 111, and the push-pull end of the second push-pull assembly 6 has a position horizontally facing the mold table placement area 10, so as to position the mold table. Through the installation of at least one second push-pull assembly 6 on the first side frame 111, under the action of the second push-pull assembly 6, the mold table can be better positioned and lifted during the overturning process, and the radial force generated by the mold table on the mold table holding device 2 during the overturning process can be reduced, so as to improve the reliability and service life of the mold table holding device 2.

[0090] ​It should be noted that the number of the second push-pull assembly 6 installed on the first frame 111 is not specifically limited, and it can be selected as one, two or more. Specifically, as shown in Figures 2 to 7 two second push-pull assemblies 6 are installed on the first frame 111 at intervals. It should also be noted that the second push-pull assembly 6 is not specifically limited, and it can be any push-pull assembly that can move towards and away from the mold table placement area 10, specifically as shown in Figures 2 to 7 the second push-pull assembly 6 is a telescopic cylinder (which can be a pneumatic telescopic cylinder or a hydraulic telescopic cylinder). As a convertible embodiment, the second push-pull assembly 6 can also be selected as a rack and pinion linear module, or as a lead screw and slider linear module.

[0091] In specific implementation, in order to better play the positioning role of the mold table during the overturning process, a limiting plate capable of being positioned opposite to the side of the mold table is preferably provided on the pushing and pulling end of the second push-pull assembly 6, so as to position and correct the position of the mold table, so that the placement position of the mold table after overturning is more accurate, thereby helping to realize the automation of the overturning and demolding equipment 200.

[0092] As some preferred embodiments of the present application, the conveying device 3 further comprises a plurality of rollers 32, a roller mounting frame 31 and a driving motor 33. Specifically, as shown in Figure 2 , Figure 3 , Figures 4 to 5 the driving motor 33 is installed on the roller mounting frame 31, and a plurality of rollers 32 are installed side by side on the roller mounting frame 31 and are arranged at intervals along the overturning axis direction parallel to the carrier frame 1. When the carrier frame 1 is in the first position, the plurality of rollers 32 are on the same horizontal plane or substantially on the same horizontal plane. The roller mounting frame 31 is connected with the lifting driving device 4, and the driving motor 33 is drivingly connected with at least part of the rollers 32.

[0093] In specific implementation, the rollers 32 are drivingly connected with the roller mounting frame 31, and at least part of the rollers 32 are provided with two driven sprockets, and the power output shaft of the driving motor 33 is drivingly connected with a driving sprocket, and the driving sprocket is further connected with the driven sprocket on one of the rollers 32 through a chain, and the remaining rollers 32 are respectively drivingly connected through chains. Further, when the driving motor 33 rotates, the rollers 32 can be driven to rotate to realize the conveying function. In order to achieve the purpose of speed regulation and torque regulation, the driving motor 33 is further drivingly connected with the driving sprocket through a speed reducer.

[0094] As a convertible embodiment, the conveying device 3 can also be selectively provided with a plurality of rollers 32, a roller mounting frame 31 and a driving motor 33. The plurality of rollers 32 are mounted side by side on the roller mounting frame 31 and are spaced apart along a direction perpendicular to the flipping axis of the carrier frame 1. The driving motor 33 is mounted on the roller mounting frame 31, which is connected to the lifting driving device 4, and the driving motor 33 is drivingly connected to at least part of the plurality of rollers 32. When the carrier frame 1 is in the first position and the second position, the plurality of rollers 32 are in the same horizontal plane or substantially in the same horizontal plane.

[0095] As a convertible embodiment, the conveying device 3 can also be selectively provided with a chain-and-sprocket conveying device 20, which is parallel to the square frame 11. The driving direction of the chain-and-sprocket conveying device 20 is parallel or perpendicular to the rotation axis of the carrier frame 1. When the carrier frame 1 is in the first position, the chain-and-sprocket conveying device 20 is in the same horizontal plane. Specifically as shown in Figure 9 The chain-and-sprocket conveying device 20 and the lifting driving device 4 are shown as an assembly. In a specific implementation, the chain-and-sprocket conveying device 20 is connected to the carrier frame 1 through the lifting driving device 4.

[0096] As some preferred embodiments of the present application, the flipping driving device 5 is further provided with a flipping driving motor 51 and a transmission assembly 52, the flipping driving motor 51 is drivingly connected to the power input end of the transmission assembly 52, and the carrier frame 1 is provided with a pivot, and the power output end of the transmission assembly 52 is drivingly connected to the pivot. In a specific implementation, the flipping of the carrier frame 1 can be realized by controlling the flipping driving device 5.

[0097] It should be noted that the flipping driving device 5 in the present application is not specifically limited, which can be any device capable of driving the carrier frame 1 to flip by a certain angle, so that the carrier frame 1 is in the first position or in the second position. In a specific implementation, the carrier frame 1 is preferably driven by at least one flipping driving device 5. Specifically as shown in Figures 2 to 7 The flipping and demolding device 200 is provided with two flipping driving devices 5. Moreover, the carrier frame 1 is fixed with two pivots on the same axis, and each pivot is drivingly connected to one of the flipping driving devices 5. Specifically, a first gear 521 is mounted on each pivot, a second gear 522 is mounted on the output shaft of each transmission device, and each transmission assembly 52 is drivingly connected to the first gear 521 through the second gear 522. In a specific implementation, the transmission assembly 52 is preferably a transmission.

[0098] In order to enable the carrier frame 1 to be in the first position and the second position, the flipping and demolding system is further selectively provided with a first support column 81 and a second support column 82. Specifically as shown in Figures 2 to 5As shown, when the carrier 1 is in the first position, the two first support columns 81 support the carrier 1 to the first position. When the carrier 1 is in the second position, the two second support columns 82 support the carrier 1 to the second position.

[0099] The present application also relates to a preform production method for the preform production line according to any one of the above embodiments involving the lifting drive device 4, comprising:

[0100] transporting the mold table 100 carrying the unmolded preform to the mold table placement area 10 through the conveying line 91;

[0101] positioning the carrier 1 in the first position;

[0102] driving the conveying device 3 to move a set distance towards the mold table 100 placed by the mold table placement area 10 by the lifting drive device 4;

[0103] holding the mold table 100 placed by the mold table placement area 10 by the mold table holding device 2;

[0104] positioning the carrier 1 in the second position, and releasing the mold table 100 to the jacking and demolding device 7 by the mold table holding device 2;

[0105] supporting the flipped mold table 100 and jacking and demolding the mold table by the jacking and demolding device 7, so that the demolded small preform falls onto the conveying device 3;

[0106] transporting the demolded small preform to the small preform transport line 92 by the conveying device 3;

[0107] holding the demolded mold table 100 by the mold table holding device 2;

[0108] positioning the carrier 1 in the first position, and releasing the carrier 1 to the mold table placement area 10 by the mold table holding device 2;

[0109] transporting the demolded mold table 100 to the next station by the conveying line 91.

[0110] It should be noted that some of the above processes do not necessarily have to be executed in sequence, as long as the normal production requirements are met. For example, the two processes of "transporting the mold table 100 carrying the unmolded preform to the mold table placement area 10 through the conveying line 91" and "positioning the carrier 1 in the first position" can be executed in any order or simultaneously. For another example, the two processes of "driving the conveying device 3 to move a set distance towards the mold table 100 placed by the mold table placement area 10 by the lifting drive device 4" and "holding the mold table placed by the mold table placement area 10 by the mold table holding device 2" can also be executed in any order or simultaneously, so as to improve the working efficiency of the flipping and demolding equipment 200.

[0111] In the specific implementation, the bearing frame 1 is located in the first position or the second position by turning the driving device 5, and the bearing frame 1 is located in the first position or the second position by controlling the driving device 5 according to the needs of the production process.

[0112] The distance that the conveying device 3 is driven by the lifting driving device 4 to move towards the mold table placement area 10 is not specifically limited, and can be selectively set according to the size of the small prefabricated part; so as to reduce the distance between the mold on the mold table and the conveying device 3 as much as possible without affecting the demolding process, thereby reducing the falling height of the small prefabricated part during demolding.

[0113] When the production line is producing larger bridge deck components, in order to prevent the turnover demolding equipment 200 from affecting normal production; the bearing frame 1 should be located in the second position to meet the conveying needs of the larger prefabricated part production of the conveying line 91.

[0114] Obviously, the above embodiments of the utility model are only examples for clearly illustrating the utility model, and are not a limitation on the embodiments of the utility model. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the embodiments. Any modification, equivalent replacement and improvement within the spirit and principle of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A composite preform production line, characterized by, The utility model relates to a kind of production lines for producing bridge deck system components and small prefabricated parts, comprising: A conveying line is configured to transport bridge deck system component molds and mold tables carrying small prefabricated part molds; A turnover demolding device includes a carrying frame, a mold table holding device, a conveying device, a turnover driving device, and a jacking demolding device. The mold table holding device is mounted on the carrying frame, and the conveying device is connected to the carrying frame. The turnover driving device is drivingly connected to the carrying frame, and is configured to drive the carrying frame to turn over so that the carrying frame has a first position and a second position turned over to one side. The jacking demolding device is configured to hold the mold table in the second position, and is located on one side of the conveying line. When the carrying frame is in the first position, the conveying line passes under the carrying frame, the conveying device faces the conveying line, and the mold table holding device has a position to hold the mold table transported by the conveying line. When the carrying frame is in the second position, the mold table holding device has a position to hold the demolded mold table, and the conveying device is located above the jacking demolding device and below the carrying frame, so that the conveying device can receive and transport the demolded small prefabricated part in the second position.

2. The composite preform production line according to claim 1, characterized in that, Further comprising: A small prefabricated part transfer line is located on one side of the jacking demolding device, and is configured to receive and transport the small prefabricated part conveyed by the conveying device. The conveying direction of the conveying device is parallel or perpendicular to the transfer direction of the small prefabricated part transfer line.

3. The composite prefabricated part production line according to claim 1, wherein The turnover demolding device further comprises a lifting driving device, the conveying device is connected to the carrying frame through the lifting driving device, and when the carrying frame is in the first position, the conveying direction of the conveying device is perpendicular or substantially perpendicular to the pushing and pulling direction of the lifting driving device, and the conveying device can move towards and away from the conveying line.

4. The composite prefabricated part production line according to claim 3, wherein The carrying frame includes a square frame and a mounting frame connected to each other, and when the carrying frame is in the first position, the mounting frame is located on the side of the square frame facing away from the conveying line. The conveying device is connected to the mounting frame through the lifting driving device, and the conveying device faces the area enclosed by the square frame.

5. The composite preform production line of claim 4, wherein The mounting frame comprises: Four columns, the first and second side frames of the square frame are opposite to each other and connected to two columns respectively, and each column extends vertically upward when the carrying frame is in the first position; and A connecting beam connects adjacent columns, and the lifting driving device is mounted on the connecting beam or the columns.

6. The composite prefabricated part production line according to claim 5, wherein The third and fourth edges of the square frame are respectively provided with at least one mold table holding device, the mold table holding device comprises a first push-pull assembly and a pin shaft, the pin shaft is installed on the push-pull end of the first push-pull assembly, and the push-pull end of the first push-pull assembly has a position horizontally facing the mold table placement area on the conveying line, and the pin shaft is driven by the first push-pull assembly to be capable of facing and facing away from the mold table placement area to insert or separate the mold table; or, The third and fourth edges of the square frame are respectively provided with at least one mold table holding device, the mold table holding device comprises a first push-pull assembly and a pin shaft, the pin shaft is installed on the push-pull end of the first push-pull assembly, and the push-pull end of the first push-pull assembly has a position horizontally facing the mold table placement area on the conveying line, and the pin shaft is driven by the first push-pull assembly to be capable of facing and facing away from the mold table placement area to insert or separate the mold table.

7. The composite preform production line according to claim 6, wherein, The third edge is provided with two mold table holding devices, and the two mold table holding devices are spaced apart and capable of being respectively opposite to the connection on the mold table of the mold table placement area; and / or, The fourth edge is provided with two mold table holding devices, and the two mold table holding devices are spaced apart and capable of being respectively opposite to the connection on the mold table of the mold table placement area.

8. The composite preform production line according to claim 6 or 7, characterized in that, The turnover demolding device further comprises: A second push-pull assembly, at least one second push-pull assembly is installed on the first edge, and the push-pull end of the second push-pull assembly has a position horizontally facing the mold table placement area to position the mold table.

9. The composite preform production line according to any one of claims 4 to 7, wherein, The conveying device comprises a plurality of rollers, a roller mounting frame and a driving motor, the driving motor is installed on the roller mounting frame, the roller mounting frame is connected with the lifting driving device, a plurality of rollers are installed side by side on the roller mounting frame and are spaced apart along the direction perpendicular to the turnover axis of the carrier frame, and the driving motor is in driving connection with at least part of the rollers; or, The conveying device comprises a plurality of rollers, a roller mounting frame and a driving motor, the driving motor is installed on the roller mounting frame, the roller mounting frame is connected with the lifting driving device, a plurality of rollers are installed side by side on the roller mounting frame and are spaced apart along the direction perpendicular to the turnover axis of the carrier frame, and the driving motor is in driving connection with at least part of the rollers; or, The conveying device is a chain wheel and chain type conveying device, the chain wheel and chain type conveying device is parallel to the square frame, the driving direction of the chain wheel and chain type conveying device is parallel or perpendicular to the rotation axis of the carrier frame, and the chain wheel and chain type conveying device is on the same horizontal plane when the carrier frame is in the first position.

10. The composite preform production line according to any one of claims 3 to 6, characterized in that, The jacking and stripping device comprises: a plurality of groups of support columns, each group of the support columns being capable of passing through the conveying device to support a mold table overturned by the small preform overturning equipment; each group of the support columns is provided with a jacking rod, a first end of the jacking rod being configured to be capable of passing through the conveying device to jack up the mold table overturned by the small preform overturning equipment; and a second end of the jacking rod being connected with an air bag.

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