阅读说明：本技术 预制再生混凝土夹芯保温墙板及其制作方法 (Prefabricated recycled concrete sandwich heat-insulation wallboard and manufacturing method thereof ) 是由 黄友青 于 2021-07-27 设计创作，主要内容包括：本申请涉及预制再生混凝土夹芯保温墙板及其制作方法,预制再生混凝土夹芯保温墙板,包括两夹板以及设置于两夹板之间的保温板,所述夹板上安装有锁定块,所述保温板上开设有与锁定块位置相对应的锁定槽,所述锁定块与锁定槽插接配合,所述夹板内设置有锁定机构,所述锁定机构包括设置于夹板内的推动组件以及设置于锁定块内的锁定组件,所述推动组件的推动端与锁定组件抵接,以使所述锁定块锁定于锁定槽内。本申请具有便于保温板的更换和替换,从而达到节能环保的效果。(The application relates to a prefabricated recycled concrete sandwich heat-insulation wallboard and a manufacturing method thereof, the prefabricated recycled concrete sandwich heat-insulation wallboard comprises two clamping plates and a heat-insulation plate arranged between the two clamping plates, a locking block is installed on the clamping plate, a locking groove corresponding to the position of the locking block is formed in the heat-insulation plate, the locking block is in splicing fit with the locking groove, a locking mechanism is arranged in the clamping plate and comprises a pushing assembly arranged in the clamping plate and a locking assembly arranged in the locking block, and the pushing end of the pushing assembly is abutted against the locking assembly so that the locking block is locked in the locking groove. This application has the change and the replacement of the heated board of being convenient for to reach energy-concerving and environment-protective effect.)

1. Prefabricated recycled concrete presss from both sides core insulation wallboard, its characterized in that: including two splint (1) and set up heated board (2) between two splint (1), install locking piece (11) on splint (1), set up locking groove (21) corresponding with locking piece (11) position on heated board (2), locking piece (11) and locking groove (21) grafting cooperation, be provided with locking mechanical system (3) in splint (1), locking mechanical system (3) are including setting up promotion subassembly (31) in splint (1) and setting up locking subassembly (32) in locking piece (11), promote promotion end and the locking subassembly (32) butt of subassembly (31), so that locking piece (11) lock in locking groove (21).

2. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 1, characterized in that: the locking assembly (32) comprises a moving block (321) connected in the locking block (11) in a sliding mode, an elastic piece (322) arranged in the locking block (11) and fixedly connected with one end of the moving block (321) and two lock catches (323) connected in the locking block (11) in a rotating mode, clamping grooves (211) corresponding to the positions of the lock catches (323) are formed in the inner side wall of the locking groove (21), one ends of the lock catches (323) are clamped with the moving block (321), one ends, far away from the moving block (321), of the lock catches (323 are clamped with the clamping grooves (211), one ends, far away from the elastic piece (322), of the moving block (321) extend to the outside of the moving block (321), and one ends, far away from the moving block (321), of the moving block (321) abut against the pushing assembly (31).

3. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 2, characterized in that: the pushing assembly (31) comprises an installation barrel (311) embedded in the clamping plate (1), a connecting rod (314) penetrating through the installation barrel (311), a butting rod (315) arranged in the clamping plate (1) and vertically fixed to one end, close to the heat insulation plate (2), of the connecting rod (314), and a limiting block (313) arranged in the installation barrel (311), a yielding cavity (14) capable of allowing the butting rod (315) to rotate is formed in the clamping plate (1), the connecting rod (314) penetrates through the limiting block (313) and is fixedly connected with the limiting block (313), a round chamfer is arranged at one end, far away from the connecting rod (314), of the butting rod (315), a slope is arranged at one end, far away from the elastic piece (322), of the moving block (321), and the round chamfer of the butting rod (315) is abutted to the slope of the moving block (321).

4. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 3, characterized in that: the pushing assembly (31) further comprises a resetting piece (312) arranged in the installation barrel (311), the resetting piece (312) is sleeved on the connecting rod (314), one end of the resetting piece (312) is abutted to one side, back to the abutting rod (315), of the limiting block (313), the other end of the resetting piece is abutted to the inner end wall, far away from the abutting rod (315), of the installation barrel (311), and the elastic force of the resetting piece (312) is greater than that of the elastic piece (322).

5. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 4, characterized in that: holding tank (3134) have been seted up in stopper (313) one side of piece (312) that resets back to the back, be provided with positioning element (4) that are used for locking stopper (313) in holding tank (3134), positioning element (4) are including setting up joint spring (41) and positioning key (42) in holding tank (3134), a constant head tank (3111) has been seted up to the inner endwall that installation section of thick bamboo (311) is close to butt joint pole (315), the one end of joint spring (41) and the diapire fixed connection of holding tank (3134), the one end fixed connection of the other end and positioning key (42), the one end and constant head tank (3111) joint cooperation that joint spring (41) were kept away from in positioning key (42).

6. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 5, characterized in that: the connecting rod (314) is internally provided with a pull rod (316) in a nested manner at one end, which is far away from the abutting rod (315), of the connecting rod (314), the pull rod (316) can slide in a reciprocating manner along the length direction of the connecting rod (314), a sliding block (318) is installed at one end, which is located in the connecting rod (314), of the pull rod (316), and the sliding block (318) limits the relative rotation of the connecting rod (314) and the pull rod (316).

7. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 6, characterized in that: one end of the pull rod (316) far away from the sliding block (318) is provided with a pulling block (317), and one side of the clamping plate (1) back to the heat insulation plate (2) is provided with a holding and pinching groove corresponding to the position of the pulling block (317).

8. The prefabricated recycled concrete sandwich thermal-insulation wallboard of claim 1, characterized in that: each splint (1) are close to one side both sides of heated board (2) and all install spacing sand grip (12), two spacing sand grip (12) mutual butt that the position corresponds on splint (1).

9. The method for manufacturing the prefabricated recycled concrete sandwich thermal insulation wallboard is based on the prefabricated recycled concrete sandwich thermal insulation wallboard in claim 7, and is characterized in that: the method comprises the following steps:

s1: the two clamping plates (1) are moved towards the direction close to the heat-insulation plate (2) so that when the locking block (11) is inserted into the locking groove (21) corresponding to the position, the limiting convex strips (12) corresponding to the position are mutually abutted, and a surrounding cavity for clamping the heat-insulation plate (2) is formed between the two clamping plates (1);

s2: the pull rod (316) is pulled out of the connecting rod (314) through the pull block (317), the pull block (317) is rotated, the pull block (317) drives the abutting rod (315) to rotate through the connecting rod (314), the abutting area of the circular chamfer of the abutting rod (315) and the inclined surface of the moving block (321) is gradually increased, the moving block (321) is contracted in the sliding groove (111), one end of the lock catch (323) extending out of the locking block (11) is clamped and fixed with the clamping groove (211), and clamping and fixing between the clamping plate (1) and the heat insulation plate (2) are completed;

s3: in the process of rotating the connecting rod (314), the connecting rod (314) drives the limiting block (313) to rotate, so that the positioning key (42) is in clamping fit with the positioning groove (3111) to complete limiting of the connecting rod (314);

s4: and installing the splint (1).

Technical Field

The application relates to the technical field of building wallboards, in particular to a prefabricated recycled concrete sandwich thermal insulation wallboard and a manufacturing method thereof.

Background

At present decorate wallboard, the panel of dress at the wall promptly, because its material environmental protection and durable, give sound insulation effect good, the thermal-insulated effectual that keeps warm, simple to operate is swift, required cost is lower and dampproofing fire prevention effect advantage such as good, has become the first choice of many decoration demanders to decorating the wall.

Present decoration wallboard generally is the composite sheet, and the decoration wallboard that has the thermal-insulated effect that keeps warm generally includes two splint and the heated board of clamp between two splint, and two splint pass through the mode clamp heated board that bonds to make the decoration wallboard have good heat preservation effect.

With respect to the related art among the above, the inventors consider that the following technical drawbacks exist: in the environment of difference, required heat preservation effect is different, and the heated board that uses is also different, but the heated board directly bonds between two splint, and the change and the replacement of the heated board of being not convenient for need further improvement to this.

Disclosure of Invention

In order to facilitate the replacement and replacement of the heat-insulating plate, the application provides a prefabricated recycled concrete sandwich heat-insulating wall plate and a manufacturing method thereof.

First aspect, the prefabricated recycled concrete core heat preservation wallboard that presss from both sides that this application provided adopts following technical scheme:

prefabricated recycled concrete presss from both sides core insulation wallboard, include two splint and set up the heated board between two splint, install the locking piece on the splint, set up on the heated board and lock the locking groove corresponding with the locking piece position, the locking piece cooperates with locking groove grafting, be provided with locking mechanical system in the splint, locking mechanical system is including setting up the promotion subassembly in splint and setting up the locking subassembly in the locking piece, promote the promotion end and the locking subassembly butt of subassembly, so that the locking piece locks in the locking groove.

Through adopting above-mentioned technical scheme, with two splint clamp heated board for the locking piece is pegged graft in locking inslot, rotates the promotion subassembly, makes promotion subassembly and locking subassembly butt, thereby locks the locking piece in locking inslot, and then fits between two splint with the heated board clamp, and the whole process is convenient for the change and the replacement of heated board.

Preferably, the locking assembly comprises a moving block connected in the locking block in a sliding manner, an elastic piece arranged in the locking block and fixedly connected with one end of the moving block, and two latches rotatably connected in the locking block, wherein a clamping groove corresponding to the position of the latch is formed in the inner side wall of the locking groove, one end of each latch is clamped with the moving block, one end of each latch far away from the moving block is clamped with the clamping groove, one end of each moving block far away from the elastic piece extends to the outside of the moving block, and one end of each moving block extending to the outside of the moving block abuts against the pushing assembly.

Through adopting above-mentioned technical scheme, under the butt effect of the promotion end that promotes the subassembly, contract in the inslot that slides at the movable block, the one end of movable block jack-up hasp for the one end that the movable block was kept away from to the hasp extends to the joint inslot, thereby the hasp extends to the locking block outer one end fixed with joint groove joint, and it is fixed to accomplish the joint between splint and the heated board.

Preferably, the promotion subassembly is including pre-buried installation section of thick bamboo in splint, the connecting rod that runs through the installation section of thick bamboo, set up in splint and be close to the one end vertical fixation's of heated board butt pole and set up the stopper in the installation section of thick bamboo with the connecting rod, set up in the splint and supply butt pole pivoted cavity of stepping down, the connecting rod run through the stopper and with stopper fixed connection, the one end that the connecting rod was kept away from to the butt pole is provided with the round chamfer, the one end that the elastic component was kept away from to the movable block is provided with the inclined plane, the round chamfer of butt pole and the inclined plane butt of movable block.

Through adopting above-mentioned technical scheme, rotate the connecting rod for the chamfer of butt joint pole and the inclined plane butt of movable block, along with the chamfer of butt joint pole and the butt area crescent on the inclined plane of movable block, the movable block contracts in the inslot that slides, and the hasp extends to the outer one end of locking block and the joint groove joint is fixed, and it is fixed to accomplish the joint between splint and the heated board.

Preferably, the pushing assembly further comprises a resetting piece arranged in the installation cylinder, the resetting piece is sleeved on the connecting rod, one end of the resetting piece is abutted against one side of the limiting block opposite to the abutting rod, the other end of the resetting piece is abutted against the inner end wall of the installation cylinder far away from the abutting rod, and the elastic force of the resetting piece is greater than that of the elastic piece.

Through adopting above-mentioned technical scheme, the elasticity that resets is greater than the elasticity of elastic component, reduces under the conventional situation, and the butt pole breaks away from the condition emergence of movable block.

Preferably, the holding tank has been seted up to one side that the stopper resets back to the piece, be provided with the positioning element who is used for locking the stopper in the holding tank, positioning element is including setting up joint spring and the navigation key in the holding tank, the constant head tank has been seted up to the inner wall that an installation section of thick bamboo is close to the butt joint pole, the one end of joint spring and the diapire fixed connection of holding tank, the one end fixed connection of the other end and navigation key, the one end and the constant head tank joint cooperation of joint spring are kept away from to the navigation key.

Through adopting above-mentioned technical scheme, when the navigation key corresponds with the constant head tank position, the navigation key is under the elastic action of joint spring for the navigation key is pegged graft in the constant head tank, carries on spacingly to the rotation of stopper.

Preferably, the pull rod is nested in the connecting rod and is located the one end nestification that the connecting rod kept away from the butt joint pole, the length direction reciprocating sliding of connecting rod can be followed to the pull rod, the slider is installed to the one end that the pull rod is located the connecting rod, the relative rotation of slider spacing connecting rod and pull rod.

Through adopting above-mentioned technical scheme, the staff operation connecting rod of being convenient for is operated in the setting of pull rod.

Preferably, one end of the pull rod, which is far away from the sliding block, is provided with a pulling block, and one side of the clamping plate, which is back to the heat insulation plate, is provided with a holding and pinching groove corresponding to the position of the pulling block.

Through adopting above-mentioned technical scheme, take the setting of holding between the fingers the groove, the staff of being convenient for takes out the piece that draws in the splint.

Preferably, each splint are close to the one side both sides of heated board and all install spacing sand grip, two the mutual butt of the spacing sand grip that the splint upper position corresponds.

Through adopting above-mentioned technical scheme, the setting of spacing sand grip for form the enclosure chamber that surrounds the heated board between two splint.

In a second aspect, the present application provides a method for manufacturing a prefabricated recycled concrete sandwich thermal insulation wallboard, comprising the following steps:

s1: the two clamping plates are moved towards the direction close to the heat-insulation plate, so that when the locking block is inserted into the locking groove corresponding to the position, the limiting convex strips corresponding to the position are mutually abutted, and an enclosure cavity for clamping the heat-insulation plate is formed between the two clamping plates;

s2: the pull rod is pulled out from the connecting rod through the pull block, the pull block is rotated, so that the pull block drives the abutting rod to rotate through the connecting rod, the abutting area between the round chamfer of the abutting rod and the inclined surface of the moving block is gradually increased, the moving block is contracted in the sliding groove, one end of the lock catch extending out of the locking block is clamped and fixed with the clamping groove, and clamping and fixing between the clamping plate and the heat-insulation plate are completed;

s3: in the process of rotating the connecting rod, the connecting rod drives the limiting block to rotate, so that the positioning key is in clamping fit with the positioning groove, and the limiting of the connecting rod is completed;

s4: and (5) installing a clamping plate.

Through adopting above-mentioned technical scheme, with two splint clamp heated board, make the locking piece peg graft in locking inslot, pull out the pull rod from the connecting rod through drawing the piece, rotate and draw the piece, thereby draw the piece to pass through the connecting rod and drive the butt pole and rotate, along with the round chamfer of butt pole and the butt area crescent on the inclined plane of movable block, the movable block contracts in the inslot that slides, the hasp extends to the outer one end of locking piece and joint groove joint fixed, it is fixed to accomplish the joint between splint and the heated board, and then with the heated board clamp fit between two splint, whole process improves the efficiency that the heated board was installed between two splint.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the two clamping plates are clamped with the insulation board, the locking block is inserted into the locking groove, the pushing assembly is rotated to enable the pushing assembly to be abutted against the locking assembly, so that the locking block is locked in the locking groove, the insulation board is clamped between the two clamping plates, and the insulation board is convenient to replace and replace in the whole process;

2. with two splint clamp heated board, make the locking piece peg graft in locking inslot, pull out the pull rod from the connecting rod in through drawing the piece, rotate and draw the piece, thereby draw the piece to drive the butt pole through the connecting rod and rotate, along with the round chamfer of butt pole and the butt area crescent on the inclined plane of movable block, the movable block contracts in the inslot that slides, the hasp extends to the outer one end of locking piece and joint groove joint fixed, it is fixed to accomplish the joint between splint and the heated board, and then with the heated board clamp fit between two splint, whole process improves the efficiency that the heated board was installed between two splint.

Drawings

Fig. 1 is a schematic overall structure diagram of an embodiment of the present application.

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

FIG. 3 is a schematic structural view of a locking block, a pushing assembly and a locking assembly in an embodiment of the present application.

FIG. 4 is a cross-sectional structural schematic view of a locking block and locking assembly in an embodiment of the present application.

Fig. 5 is a schematic sectional structure view of the pushing assembly in the embodiment of the present application.

Fig. 6 is a partially enlarged schematic view of a portion B in fig. 5.

Description of reference numerals: 1. a splint; 11. a locking block; 111. a sliding groove; 12. limiting convex strips; 13. a mounting cavity; 131. a communication port; 14. a yielding cavity; 2. a thermal insulation board; 21. a locking groove; 211. a clamping groove; 3. a locking mechanism; 31. a pushing assembly; 311. mounting the cylinder; 3111. positioning a groove; 312. a reset member; 313. a limiting block; 3134. accommodating grooves; 314. a connecting rod; 3141. a chute; 3142. a long groove; 315. a butting rod; 316. a pull rod; 317. pulling the block; 318. a slider; 32. a locking assembly; 321. a moving block; 3211. mounting grooves; 3212. abutting the interface; 322. an elastic member; 323. locking; 4. a positioning member; 41. clamping a spring; 42. and a positioning key.

Detailed Description

The present application is described in further detail below with reference to figures 1-6.

The embodiment of the application discloses prefabricated recycled concrete sandwich heat-insulation wallboard. Referring to fig. 1 and 2, the heat insulation board comprises two clamping plates 1 and a heat insulation board 2 arranged between the two clamping plates 1; locking grooves 21 are formed in four corners of one surface, close to the clamping plate 1, of the heat insulation plate 2, locking blocks 11 are mounted at four corners of one surface, close to the heat insulation plate 2, of the clamping plate 1, and the locking blocks 11 are in inserting fit with the corresponding locking grooves 21; the cleat 1 is provided with a locking mechanism 3 for locking the locking block 11 in the locking groove 21.

Referring to fig. 1 and 2, spacing sand grip 12 is all installed to the one side both sides that each splint 1 is close to heated board 2, all removes to the direction that is close to heated board 2 when two splint 1 to make locking piece 11 peg graft in the locking inslot 21 that the position corresponds, the mutual butt of spacing sand grip 12 that the position corresponds on two splint 1, form the chamber that surrounds of clamp heated board 2 between two splint 1. In the present embodiment, the insulation board 2 is a foam concrete board.

Referring to fig. 3 and 4, the locking mechanism 3 includes a pushing assembly 31 disposed in the splint 1 and a locking assembly 32 disposed in the locking block 11, the pushing assembly 31 and the locking assembly 32 are disposed in a staggered manner, and the pushing assembly 31 is located below the locking assembly 32; the pushing end of the pushing assembly 31 abuts the locking assembly 32, so that the locking assembly 32 locks the locking block 11 in the locking groove 21.

Referring to fig. 4 and 5, the locking assembly 32 includes a moving block 321, an elastic member 322, and two locking catches 323; a sliding groove 111 matched with the moving block 321 is formed in the locking block 11, and the notch of the sliding groove 111 faces back to the heat insulation board 2; the mounting groove 3211 is opened to the one end of movable block 321, and the diapire in the groove 111 that slides sets up with the diapire of mounting groove 3211 relatively, and in this embodiment, elastic component 322 is the elastic spring, and the one end of elastic spring and the diapire fixed connection in the groove 111 that slides, the other end and the diapire fixed connection of mounting groove 3211. One end of the moving block 321, which is far away from the elastic spring, extends out of the locking block 11 through the notch of the sliding groove 111, one end of the moving block 321, which is far away from the elastic spring, is provided with an inclined surface, and the inclined surface of the moving block 321 is abutted to the pushing end of the pushing assembly 31.

Referring to fig. 4 and 5, a mounting cavity 13 is further formed in the locking block 11, and communication ports 131 are respectively formed in the mounting cavity 13 towards two sides of the two limiting convex strips 12; the inside wall of locking groove 21 is seted up and is corresponded the joint groove 211 of intercommunication mouth 131 position, and the cross sectional area of joint groove 211 is greater than the cross sectional area of locking groove 21. The two lock catches 323 are rotatably connected in the mounting cavity 13 of the locking block 11, the two lock catches 323 are symmetrically arranged on two sides of the moving block 321, the moving block 321 is provided with an abutting opening 3212 which penetrates through two side faces of the moving block 321, and the abutting opening 3212 is communicated with the communication opening 131; one end of the buckle is connected with the moving block 321 in a clamped mode through the abutting port 3212, the other end of the buckle extends to the outside of the locking block 11 through the communication port 131, and one end of the buckle extending to the outside of the locking block 11 is connected with the clamping groove 211 in a clamped mode.

Therefore, when the locking block 11 is inserted into the locking groove 21, the communication port 131 is communicated with the clamping groove 211, when the pushing end of the pushing assembly 31 abuts against the inclined surface of the moving block 321, along with the increasing abutting area of the pushing end of the pushing assembly 31 and the inclined surface of the moving block 321, the pushing end of the pushing assembly 31 pushes the moving block 321 to be contracted into the sliding groove 111, and at the moment, the elastic spring is in a compressed state and has outward tension; in the process that the moving block 321 contracts in the sliding groove 111, the moving block 321 jacks up one end of the lock catch 323 through the abutting port 3212, so that one end, far away from the moving block 321, of the lock catch 323 extends into the clamping groove 211 through the communicating port 131, one end, extending to the outside of the locking block 11, of the lock catch 323 is clamped and fixed with the clamping groove 211, and clamping and fixing between the clamping plate 1 and the heat insulation plate 2 are completed.

Referring to fig. 2 and 5, the pushing assembly 31 includes a mounting tube 311, a reset member 312, a stopper 313, a connecting rod 314, and an abutment rod 315; the installation cylinder 311 is a hollow cylindrical cylinder, the installation cylinder 311 is embedded in the clamping plate 1 and located at the corner of the clamping plate 1, and the end of the installation cylinder 311 faces the heat insulation plate 2. The reset piece 312 and the limit block 313 are both arranged in the mounting cylinder 311, the limit block 313 is matched with the inner side wall of the mounting cylinder 311, and the limit block 313 can slide in a reciprocating manner along the inner side wall of the mounting cylinder 311; two ends of the connecting rod 314 respectively penetrate through two end faces of the mounting cylinder 311, and two ends of the connecting rod 314 both extend out of the mounting cylinder 311; one end of the connecting rod 314 close to the heat insulation plate 2 is vertically fixed with one end of the abutting rod 315, and one end of the abutting rod 315 far away from the connecting rod 314 is provided with a round chamfer; the splint 1 is internally provided with an abdicating cavity 14 corresponding to the position of the propping rod 315, and the abdicating cavity 14 can be used for the propping rod 315 to do circular motion by taking the connecting rod 314 as a central axis; the rounded chamfer of the abutting rod 315 abuts against the inclined surface of the moving block 321.

Referring to fig. 4 and 5, the connecting rod 314 penetrates through the center of the limiting block 313, and the connecting rod 314 is fixedly connected with the limiting block 313; in this embodiment, the reset element 312 is a reset spring, the reset spring is sleeved on the periphery of the connecting rod 314, one end of the reset spring is abutted against one side of the limit block 313 opposite to the abutting rod 315, and one end of the reset spring away from the limit block 313 is abutted against the inner end wall of the mounting tube 311 away from the abutting rod 315. When the return spring is in an initial state, one side of the limit block 313 far away from the return spring is abutted against the inner end wall of the mounting cylinder 311 close to the abutting rod 315; the elastic force of the return spring is greater than that of the elastic spring.

From this, rotating connecting rod 314, at this moment, stopper 313 rotates along the inside wall of installation section of thick bamboo 311 in installation section of thick bamboo 311, connecting rod 314 drives the butt pole 315 and rotates simultaneously, thereby make the chamfer of butt pole 315 and the inclined plane butt of movable block 321, along with the chamfer of butt pole 315 and the butt area crescent on the inclined plane of movable block 321, movable block 321 contracts in sliding groove 111, the hasp 323 extends to the outer one end of locking block 11 and the joint groove 211 joint is fixed, it is fixed to accomplish the joint between splint 1 and the heated board 2.

Referring to fig. 5 and 6, after the clamping connection between the clamping plate 1 and the heat insulation plate 2 is completed, in order to limit the rotation of the connecting rod 314, a positioning part 4 is disposed on one side of the limiting block 313 back to the return spring, a receiving groove 3134 is disposed on one side of the limiting block 313 back to the return spring, and the positioning part 4 is disposed in the receiving groove 3134. The positioning component 4 comprises a clamping spring 41 and a positioning key 42 which are arranged in the accommodating groove 3134; the inner end wall of the mounting tube 311 close to the abutting rod 315 is provided with a positioning groove 3111, the receiving groove 3134 corresponds to the positioning groove 3111, and a notch of the receiving groove 3134 is opposite to the notch of the positioning groove 3111. The positioning key 42 can slide along the inner side wall of the accommodating groove 3134 in a reciprocating manner, one end of the clamping spring 41 is fixedly connected with the bottom wall of the accommodating groove 3134, and the other end of the clamping spring is fixedly connected with one end of the positioning key 42; one end of the positioning key 42, which is far away from the clamping spring 41, extends to the outside of the limiting block 313, and one end of the positioning key 42, which extends to the outside of the limiting block 313, is in clamping fit with the positioning groove 3111. Thereby restricting the rotation of the connecting rod 314 by the positioning function of the positioning key 42 and the positioning groove 3111. When connecting rod 314 needs to be rotated, connecting rod 314 is pulled to reset spring's compression direction for positioning key 42 breaks away from out in the constant head tank 3111, then connecting rod 314 rotates, makes positioning key 42 and constant head tank 3111 misplace, at this moment, loosens connecting rod 314, thereby under reset spring's effect, makes stopper 313 and installation section of thick bamboo 311 be close to the interior endwall butt of butt rod 315.

Referring to fig. 5 and 6, in order to facilitate the worker to rotate the connecting rod 314 located in the splint 1, a pull rod 316 is disposed at one end of the connecting rod 314 away from the abutting rod 315, a sliding groove 3141 is disposed at one end of the connecting rod 314 away from the abutting rod 315, the connecting rod 314 is nested in the pull rod 316 through the sliding groove 3141, a pull block 317 is disposed at one end of the pull rod 316, two sliding blocks 318 are mounted on the periphery of one end of the pull rod 316 away from the pull block 317, and the two sliding blocks 318 are symmetrically disposed on the periphery of the pull rod 316; the inner side wall of the sliding groove 3141 is provided with two long grooves 3142 corresponding to the positions of the two sliding blocks 318 respectively, the length direction of the long grooves 3142 is consistent with the length direction of the connecting rod 314, and the sliding blocks 318 are connected with the long grooves 3142 corresponding to the positions in a sliding manner; so that the pull rod 316 can reciprocate along the length direction of the sliding groove 3141, and at the same time, the pull block 317 is rotated, and the connecting rod 314 is also rotated together. The pull block 317 is provided with a notch on the peripheral side, and one side of the splint 1 back to the insulation board 2 is provided with a holding and pinching groove corresponding to the position of the pull block 317.

The embodiment of the application also discloses a manufacturing method of the precast concrete sandwich heat-insulation wallboard, which comprises the following steps:

s1: the two clamping plates 1 are moved towards the direction close to the heat-insulation plate 2, so that when the locking block 11 is inserted into the locking groove 21 corresponding to the position, the limiting convex strips 12 corresponding to the position are mutually abutted, and a surrounding cavity for clamping the heat-insulation plate 2 is formed between the two clamping plates 1;

s2: the pull rod 316 is pulled out from the sliding groove 3141 through the pull block 317, the pull block 317 is rotated, so that the pull block 317 drives the abutting rod 315 to rotate through the connecting rod 314, the abutting area of the round chamfer of the abutting rod 315 and the inclined surface of the moving block 321 is gradually increased, the moving block 321 is contracted in the sliding groove 111, one end of the lock catch 323 extending out of the locking block 11 is clamped and fixed with the clamping groove 211, and clamping and fixing between the clamping plate 1 and the heat insulation plate 2 are completed;

s3: in the process of rotating the connecting rod 314, the connecting rod 314 drives the limiting block 313 to rotate, so that the positioning key 42 is in clamping fit with the positioning groove 3111 to complete limiting of the connecting rod 314;

s4: the splint 1 is installed.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.