Concrete block preparation device based on energy-saving building construction

Abstract

The invention relates to the field of concrete block preparation, in particular to a concrete block preparation device based on energy-saving building construction, and aims to solve the problems that during mold closing of an existing mold frame, mold positioning is achieved by means of gravity or a simple mechanical structure, and an effective rigid locking mechanism is lacked. The overall rigidity of a formwork system can be reduced due to assembly gaps existing in the connecting positions and elastic deformation possibly generated in the stress state, and especially in the non-ideal centering state, locking is not thorough due to the fact that a connecting mechanism cannot compensate position deviation in a self-adaptive mode. By arranging a double-notch structure and an internal floating block, the locking part can automatically compensate for position deviation, eliminate connecting gaps and enhance the stability of the connecting rod in a locking state when the connecting rod is in a non-ideal vertical state, and in the inserting process of the inserting rod, a limiting ball and an abutting ball form multi-point contact, so that the guiding and centering functions are provided, and the locking effect is improved. And balanced stress of rigid connection is achieved, and it is guaranteed that the geometrical shape of the formwork is kept stable when the formwork is subjected to concrete expansion pressure.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of concrete block preparation, in particular to a concrete block preparation device based on energy-saving building construction. BACKGROUND

[0002] The basic principle of self-insulation foamed concrete bricks is to use the non-combustion of cement and a large number of closed pores in the concrete to achieve the effects of fireproofing, light weight and heat preservation, which is the most ideal material for wall insulation and wall insulation fireproofing isolation zone. The main production process is to load, mix, stir, inject, foam, initial curing, demoulding, cutting and packaging of materials involving polyphenyl foam particles;

[0003] As a kind of wall material widely used in energy-saving building construction, the preparation process and forming quality of concrete blocks directly affect the thermal performance and construction efficiency of building structures. During the pouring and curing of concrete blocks, a mold frame structure is usually used to form and constrain the foamed concrete slurry, so that the block blank with regular shape and stable size is formed during the expansion and foaming process.

[0004] At present, the common mold frame structure is in the form of an outer frame combined with an inner template, and the inner template is connected to the outer frame through a hinged or adjustable connecting mechanism to realize the functions of mold closing and demolding separation.

[0005] However, in the prior art, the following problems of this type of mold frame structure have not been well solved:

[0006] 1. During the pouring and expansion of foamed concrete, the slurry will produce a large lateral expansion pressure acting on the inner wall of the template. The connecting mechanism in the traditional mold frame is mostly in the form of simple hinge or elastic support, which is difficult to maintain the geometric position of the template stable under stress state, resulting in displacement or deformation of the template, and further causing size deviation of the block blank.

[0007] 2. The existing mold frame relies on gravity or simple mechanical structure to realize template positioning when closing the mold, and lacks effective rigid locking mechanism. The assembly gap existing in the connection and the elastic deformation that may occur under stress state will all reduce the overall rigidity of the template system. Especially in the non-ideal centering state, the connecting mechanism cannot adaptively compensate for the position deviation, which is easy to cause incomplete locking. SUMMARY

[0008] The concrete block preparation device based on energy-saving building construction aims to solve the problems in the background art.

[0009] Preferably, the plurality of connecting mechanisms comprises a support seat fixedly installed on the inner wall of the outer frame, a connecting rod is hinged to the support seat through a first hinge shaft, the other end of the connecting rod is hinged to the outer wall of the template through a second hinge shaft, and a positioning assembly for locking the connecting rod at a specified angle is further arranged on the support seat.

[0010] Preferably, the positioning assembly comprises a connecting frame hinged to the connecting rod through a pin shaft, the side wall of the support seat is rotationally connected with a deflection plate, a horizontal slot and a vertical slot are respectively arranged on the deflection plate, a push plate is radially slidably installed on the support seat, a first roller is installed on the side of the push plate facing the deflection plate, the first roller is embedded in the vertical slot and can roll along the vertical slot, a second roller is arranged on the end of the connecting frame away from the connecting rod, and the second roller is embedded in the horizontal slot and can roll along the horizontal slot.

[0011] Preferably, the positioning assembly further comprises an insertion rod arranged radially on the support seat, a wedge-shaped slot is arranged along the axis of the insertion rod, a connecting spring is sleeved on the insertion rod, the two ends of the connecting spring are connected with the support seat and the insertion rod respectively, a wedge-shaped block is fixed on the push plate corresponding to the position of the wedge-shaped slot, and the wedge-shaped block and the wedge-shaped slot form a wedge-shaped fit.

[0012] Preferably, a locking portion is further arranged between the insertion rod and the connecting rod, the locking portion comprises a slot arranged on the connecting rod, the slot is a single concave structure, the end of the insertion rod movably has a limiting ball, and the diameter of the slot is greater than the diameter of the rod body of the insertion rod, so that the insertion rod can be smoothly inserted into the slot.

[0013] Preferably, the locking portion comprises two slots arranged on the connecting rod, the end of the insertion rod movably has a limiting ball corresponding to the positions of the two slots, the connecting rod has a cavity, a floating block is slidably installed in the cavity, symmetrical V-shaped clamping grooves are formed between the two sides of the floating block and the side walls of the cavity, and a movable abutting ball is arranged in each V-shaped clamping groove, and the two limiting balls on the insertion rod are respectively located corresponding to the abutting balls in the two clamping grooves.

[0014] Compared with the prior art, the present application has the following advantages:

[0015] In the present application, the rotating action of the connecting rod promotes the locking of the inserting rod to the connecting rod during the process of the template contacting the base plate and gradually forming the pouring cavity. After the inserting rod is inserted into the connecting rod, a rigid connection is formed between the connecting rod, the outer frame and the template, effectively eliminating the gap and the risk of elastic deformation at each connection. The template becomes a nearly rigid whole, ensuring that the geometric size of the pouring cavity does not change under the huge expansion pressure of the foamed concrete, and the size of the produced block body is highly consistent, providing a basis for subsequent automatic cutting and packaging.

[0016] In the present application, when the wedge block pushes the inserting rod to continue to insert into the slot, the limiting ball is completely pressed into the bottom of the slot, and the inserting rod body and the inner wall of the slot form a close fit, realizing the rigid fixation of the connecting rod. The diameter of the slot is slightly larger than the diameter of the inserting rod body, which not only ensures that the inserting rod is not hindered during movement, but also forms a stable and reliable rigid connection through the limiting ball and the slot during locking.

[0017] In the present application, by setting the double-slot structure and the internal floating block, the locking part can automatically compensate for position deviation in a non-ideal vertical state of the connecting rod, eliminate the connection gap and enhance the stability of the connecting rod in the locked state. During the insertion process of the inserting rod, the multi-point contact formed by the limiting ball and the resisting ball not only provides the guiding and centering function, but also realizes the balanced stress of the rigid connection, ensuring that the template maintains stable geometric shape when subjected to the expansion pressure of the concrete. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the mold frame of the present application;

[0019] Figure 2 is a schematic diagram of the three-dimensional structure of the outer frame and the inner frame of the present application;

[0020] Figure 3 is a side view of the outer frame, the inner frame and the connecting structure in the present application;

[0021] Figure 4 is a schematic diagram of the first state of the connecting structure in the present application;

[0022] Figure 5 is a side view of the connecting structure in the present application;

[0023] Figure 6 is a schematic diagram of the second state of the connecting structure in the present application;

[0024] Figure 7 is a partial three-dimensional structure sectional view of the connecting structure in the present application;

[0025] Figure 8 is a schematic diagram of the positioning assembly and the connecting rod in the present application;

[0026] Figure 9 Figure 2 is a side view of the locking part in the second embodiment of the present application.

[0027] In the figure: 1, mold frame; 11, outer frame; 12, inner frame; 13, mold plate; 2, connecting mechanism; 21, support seat; 22, first hinge shaft; 23, connecting rod; 24, second hinge shaft; 3, positioning assembly; 31, pin shaft; 32, connecting frame; 33, deflection plate; 34, transverse slot; 35, vertical slot; 36, push plate; 37, first roller; 38, second roller; 39, insertion rod; 310, wedge-shaped slot; 311, connecting spring; 312, wedge-shaped block; 4, locking part; 41, notch; 42, limiting ball; 43, cavity; 44, floating block; 45, V-shaped clamping slot; 46, abutting ball. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.

[0029] Embodiment one

[0030] Please refer to Figures 1 to 9 The present application provides a technical solution: a concrete block preparation device based on energy-saving building construction, which comprises a mold frame 1 in the concrete block pouring and curing stage. For example, the mold frame 1 can be integrated into a concrete block production system and arranged on a hoisting device (not shown in the figure). The production system sequentially comprises a raw material preparation device, a preliminary forming device, and a cutting and curing device. The mold frame 1 of the present disclosure is arranged between the preliminary forming device and the cutting and curing device, used to receive the mixed and uniform foamed concrete slurry, and complete the foaming, expansion, and static stopping and initial curing processes inside the mold frame 1, to form a block blank body with preliminary strength and regular shape.

[0031] Specifically, the mold frame 1 comprises an outer frame 11 arranged in a rectangular shape and an inner frame 12 arranged inside the outer frame 11. The inner frame 12 is composed of four high-strength mold plates 13. Each mold plate 13 is arranged in parallel corresponding to the four inner walls of the outer frame 11. The back surface of each mold plate 13 is connected to the corresponding side wall of the outer frame 11 through a set of connecting mechanisms 2 at the upper and lower ends.

[0032] The connecting mechanism 2 is installed on the inner wall of the outer frame 11 and connected with the inner frame 12, when the hoisting device places the outer frame 11 on the concrete pouring bottom plate, each formwork 13 forms a sealed pouring chamber under the constraint of the connecting mechanism 2, the adjacent side formworks 13 are mutually adhered through the sealing strips and locked through the external quick clamps, so that the four formworks 13 are enclosed to form a closed pouring chamber, and the concrete slurry is poured into the pouring chamber to complete the subsequent forming and initial curing treatment.

[0033] In the embodiment, the plurality of connecting mechanisms 2 include a support seat 21 fixedly installed on the inner wall of the outer frame 11, a connecting rod 23 is hinged on the support seat 21 through a first hinge shaft 22, the other end of the connecting rod 23 is hinged with the outer wall of the formwork 13 through a second hinge shaft 24, and a positioning assembly 3 for locking the connecting rod 23 at a specified angle is further arranged on the support seat 21.

[0034] When the hoisting device hoists the outer frame 11 above the bottom plate of the concrete pouring area, the formwork 13 and the connecting rod 23 naturally sag downward around the first hinge shaft 22 under the action of gravity, so that the formwork 13 as a whole is close to the inner wall of the outer frame 11, and when the bottom of the formwork 13 contacts the bottom plate as the outer frame 11 descends, the bottom plate exerts an upward supporting force on the formwork 13, so that the formwork 13 and the connecting rod 23 rotate around the first hinge shaft 22, until the formwork 13 is in a vertical working state, and the axis of the connecting rod 23 is perpendicular to the outer frame 11 and the formwork 13, at this time, the formworks 13 collectively enclose a sealed pouring chamber.

[0035] In the concrete demolding process, the quick clamps between the adjacent formworks 13 are released, and the outer frame 11 is lifted by the hoisting device, at this time, the formwork 13 is deflected to the inner side of the outer frame 11 under the driving of the connecting rod 23, so as to separate from the surface of the concrete block, realize frictionless demolding, and effectively avoid damage to the surface of the concrete block during the demolding process.

[0036] In the process of concrete block pouring and demolding, since the two ends of the connecting rod 23 are hinged with the outer frame 11 and the formwork 13, when they are formed into a chamber in the initial state, the lateral pressure generated by the expansion of the foamed concrete during the foamed concrete pouring and foaming stage acts on the inner wall of the formwork 13, trying to push the formwork 13 outward, so that the connection gap of each hinge of the outer frame 11, the formwork 13 and the connecting rod 23 increases, and in severe cases, the connecting rod 23 will be deflected under stress, and the entire formwork 13 will be deformed outwardly, and then the concrete block will be deformed, the connecting rod 23 is rigidly locked by the positioning assembly 3, so as to prevent the displacement of the formwork 13 or the deformation of the pouring chamber caused by the deflection of the connecting rod 23 due to stress, thereby ensuring the accurate forming size and regular shape of the block.

[0037] In the embodiment, the positioning assembly 3 comprises a connecting frame 32 hinged to the connecting rod 23 through a pin shaft 31, the side wall of the support base 21 is rotationally connected with a deflector plate 33, transverse grooves 34 and vertical grooves 35 are respectively formed in the deflector plate 33, a push plate 36 is radially slidably installed on the support base 21, a first roller 37 is installed on the side of the push plate 36 facing the deflector plate 33, the first roller 37 is embedded in the vertical groove 35 and can roll along the vertical groove 35, a second roller 38 is arranged at the end of the connecting frame 32 away from the connecting rod 23, the second roller 38 is embedded in the transverse groove 34 and can roll along the transverse groove 34;

[0038] In the embodiment, the positioning assembly 3 further comprises an insertion rod 39 arranged radially along the support base 21, a wedge-shaped groove 310 is formed along the axis of the insertion rod 39, a connecting spring 311 is sleeved on the insertion rod 39, the two ends of the connecting spring 311 are respectively connected with the support base 21 and the insertion rod 39, a wedge-shaped block 312 is fixed at the position of the push plate 36 corresponding to the wedge-shaped groove 310, and the wedge-shaped block 312 and the wedge-shaped groove 310 form a wedge-shaped fit.

[0039] When the outer frame 11 descends and the bottom of the mold plate 13 contacts the bottom plate, the mold plate 13 drives the connecting rod 23 to rotate around the first hinge shaft 22 under the reaction force of the bottom plate, when the connecting rod 23 rotates, the second roller 38 is driven to move in the transverse groove 34 through the connecting frame 32, this movement is mainly an arc movement, which forces the deflector plate 33 to rotate around its axis, the rotation of the deflector plate 33 drives the vertical groove 35 on the deflector plate 33 to angularly displace, and the vertical groove 35 constrains the first roller 37, thereby converting the rotational movement of the deflector plate 33 into the radial linear movement of the first roller 37 and the push plate 36, the wedge-shaped block 312 on the push plate 36 slides along the wedge-shaped groove 310 of the insertion rod 39, which pushes the insertion rod 39 towards the connecting rod 23, so that the insertion rod 39 is inserted into the connecting rod 23.

[0040] In the process that the mold plate 13 contacts the bottom plate and gradually forms the pouring cavity, the rotation of the connecting rod 23 drives the insertion rod 39 to lock the connecting rod 23, after the insertion rod 39 is inserted into the connecting rod 23, the connecting rod 23, the outer frame 11 and the mold plate 13 are rigidly connected, which effectively eliminates the gap and the risk of elastic deformation at each connection, the mold plate 13 becomes an almost rigid whole, which ensures that the geometric size of the pouring cavity does not change under the huge expansion pressure of the foamed concrete, and the size of the produced block body is consistent, which provides a basis for subsequent automatic cutting and packaging.

[0041] In the embodiment, the insertion rod 39 and the connecting rod 23 are further provided with a locking portion 4, the locking portion 4 comprises a slot 41 arranged on the connecting rod 23, the slot 41 is a single concave structure, the end of the insertion rod 39 movably has a limiting ball 42, and the diameter of the slot 41 is greater than the diameter of the rod body of the insertion rod 39, so as to ensure that the insertion rod 39 can be smoothly inserted into the slot 41.

[0042] When the template 13 pushes the connecting rod 23 to rotate around the first hinge shaft 22 under the counterforce of the base plate, the end of the insertion rod 39 initially enters the concave guide area of the slot 41, at which time the limiting ball 42 plays a role of initial positioning and guiding, assists the insertion rod 39 to be centered with the slot 41, and provides temporary limiting during the mold closing process;

[0043] When the wedge-shaped block 312 pushes the insertion rod 39 to continue to insert into the slot 41, the limiting ball 42 is completely pressed into the bottom of the slot 41, the rod body of the insertion rod 39 is tightly fitted with the inner wall of the slot 41, rigid fixation of the connecting rod 23 is realized, the diameter of the slot 41 is slightly larger than the diameter of the rod body of the insertion rod 39, which not only ensures that the insertion rod 39 is not hindered during movement, but also can form a stable and reliable rigid connection through the limiting ball 42 and the slot 41 when locked.

[0044] Embodiment Two

[0045] Specifically, the locking part 4 in Embodiment One realizes rigid locking of the connecting rod 23 when the template 13 rotates to the vertical position through the cooperation of the insertion rod 39 and the single slot 41, effectively eliminates the connection gap, and ensures the dimensional stability of the pouring chamber under the swelling pressure of concrete. However, when facing the slight deflection of the connecting rod 23 due to installation errors or uneven stress, the single-point locking structure has limited centering adaptability, and there is a risk of local stress concentration or incomplete locking. A locking part 4 with self-adaptive centering and multi-point balanced locking function can more effectively compensate for positional deviation and enhance the locking stiffness of the connecting rod 23 in a non-ideal state.

[0046] Accordingly, the locking part 4 of the present application is further improved: as shown in Figure 9 Further improvement is made to Embodiment One:

[0047] The locking part 4 includes two slots 41 opened on the connecting rod 23, the ends of the insertion rod 39 are respectively movably provided with limiting balls 42 corresponding to the positions of the two slots 41, the connecting rod 23 is internally provided with a cavity 43, the floating block 44 is slidably installed in the cavity 43, the V-shaped clamping grooves 45 are symmetrically arranged between the floating block 44 and the side walls of the cavity 43, the movable resisting balls 46 are arranged in each V-shaped clamping groove 45, and the two limiting balls 42 on the insertion rod 39 correspond to the positions of the resisting balls 46 in the two clamping grooves:

[0048] When the insertion rod 39 moves to the direction of the connecting rod 23 under the driving of the wedge block 312, the two limiting balls 42 at the end of the insertion rod 39 are in contact with the corresponding resisting balls 46 in the clamping slots, and in the mold closing process, if the connecting rod 23 is not completely perpendicular to the outer frame 11 and the mold plate 13, and there is a slight inclination, then the limiting balls 42 on the insertion rod 39 will exert pressure on the resisting balls 46 in the clamping slots, and due to the guiding effect of the V-shaped clamping slot 45, the resisting ball 46 on the side with greater pressure will push the floating block 44 to move to the other side, so that the contact force between the two limiting balls 42 and the corresponding resisting balls 46 is balanced.

[0049] By setting the double-groove 41 structure and the internal floating block 44, the locking part 4 can automatically compensate for position deviation in the non-ideal vertical state of the connecting rod 23, eliminate the connection gap, and enhance the stability of the connecting rod 23 in the locked state. During the insertion process of the insertion rod 39, the multiple-point contact formed by the limiting balls 42 and the resisting balls 46 not only provides the guiding and centering function, but also realizes the balanced force of rigid connection.

[0050] Through the self-adaptive sliding of the floating block 44 in the V-shaped clamping slot 45, the locking force on both sides is automatically balanced, so that even if there is manufacturing or assembly error, the locking part 4 can also be tightly fitted without gap, thereby realizing balanced force and ensuring that the mold plate 13 maintains stable geometric shape when subjected to the swelling pressure of concrete.

[0051] The basic principles, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A concrete block preparation device based on energy-saving building construction, characterized in that, include: The outer frame (11) is rectangular in shape; The inner frame (12) is located inside the outer frame (11) and consists of four high-strength templates (13); The connecting mechanism (2) is set between the inner wall of the outer frame (11) and the inner frame (12). The upper and lower ends of the back of each set of templates (13) are connected to the corresponding side wall of the outer frame (11) through a connecting mechanism (2). The connecting mechanism (2) constrains the inner frame (12) to form a sealed casting chamber during the hoisting process.

2. The concrete block preparation device based on energy-saving building construction according to claim 1, characterized in that: The connecting mechanism (2) includes a support base (21), which is fixedly installed on the inner wall of the outer frame (11); The connecting rod (23) is hinged to the support base (21) via the first hinge shaft (22) and to the outer wall of the template (13) via the second hinge shaft (24); The positioning component (3), located on the support base (21), is used to lock the connecting rod (23) at a specified angle.

3. The concrete block preparation device based on energy-saving building construction according to claim 2, characterized in that: The positioning component (3) includes a connecting frame (32), which is hinged to the connecting rod (23) by a pin (31); The deflection plate (33) is rotatably connected to the side wall of the support base (21) and has a horizontal groove (34) and a vertical groove (35) respectively. The push plate (36) slides radially on the support base (21); The first roller (37) is installed on the side of the push plate (36) facing the deflection plate (33) and is embedded in the vertical groove (35); The second roller (38) is located at the end of the connecting frame (32) away from the connecting rod (23) and is embedded in the transverse groove (34).

4. The concrete block preparation device based on energy-saving building construction according to claim 3, characterized in that: The positioning component (3) also includes a rod (39) arranged radially along the support base (21) and having a wedge-shaped groove (310). A connecting spring (311) is sleeved on the insert rod (39), and its two ends are connected to the support base (21) and the insert rod (39) respectively; The wedge block (312) is fixed at the position of the push plate (36) corresponding to the wedge groove (310) and forms a wedge fit with the wedge groove (310).

5. The concrete block preparation device based on energy-saving building construction according to claim 4, characterized in that: The positioning component (3) also includes a locking part (4) and is disposed between the insertion rod (39) and the connecting rod (23); The locking part (4) includes a slot (41) which is formed on the connecting rod (23); The limiting ball (42) is movably set at the end of the insert (39) and cooperates with the slot (41).

6. The concrete block preparation device based on energy-saving building construction according to claim 5, characterized in that: The locking part (4) includes two slots (41) and is symmetrically opened on the connecting rod (23); Two limiting balls (42) are correspondingly and movably set at the ends of the plug rod (39); A cavity (43) is formed inside the connecting rod (23); The floating block (44) is slidably installed in the cavity (43); V-shaped grooves (45) are formed between the two sides of the floating block (44) and the side wall of the cavity (43); The contact ball (46) is movably set in each V-shaped slot (45) and corresponds to the position of the limiting ball (42).

7. A concrete block preparation device based on energy-saving building construction according to claim 6, characterized in that: The floating block (44) automatically compensates for positional deviations under the guidance of the V-shaped slot (45); The two limiting balls (42) and the corresponding contacting balls (46) form multi-point contact to achieve balanced force.

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