Concrete mold easy to demold

Abstract

The utility model relates to a concrete mold easy to demold, and relates to the technical field of concrete construction, the concrete mold comprises a mold shell and a plurality of sets of demolding assemblies, the mold shell comprises a bottom plate, a first mold plate and a second mold plate, and each demolding assembly comprises a double-end reverse threaded rod, during rotation, the two sets of first templates are driven to slide in the direction close to or away from each other; and the driving piece is used for driving the double-end reverse threaded rod to rotate. The double-end reverse threaded rod rotates in the forward direction through the driving piece and drives the two sets of first mold plates to get close to each other, and therefore the mold shell is locked and fixed; after the concrete is solidified, the driving piece enables the double-end reverse threaded rod to rotate reversely and drives the two first formworks to be far away from each other, and then the two first formworks are separated from the concrete block, so that concrete demolding is achieved, and the concrete demolding efficiency is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of concrete construction, in particular to an easy-release concrete mold. BACKGROUND

[0002] Concrete is the most widely used and largest amount of building materials in civil engineering, the quality of concrete determines the quality of the building structure, so the quality of concrete must be strictly controlled when producing concrete, strength is an important mechanical property of hardened fresh concrete, and is also the main indicator of concrete quality control, the specification often makes different size cubic test blocks to test the compressive strength of concrete cubes.

[0003] The concrete test block is formed in the mold, and needs to be released after forming. Generally, manual demolding is used, and the mold is knocked with a tool, and the test block can be separated from the mold after loosening.

[0004] However, due to the large adhesion between the concrete and the surface of the mold, the existing mold produces test blocks, and the knocking demolding method produces a lot of noise, is time-consuming and laborious, has high labor intensity, reduces the demolding efficiency of the concrete, and easily causes damage to the mold. Practical new type content

[0005] In order to improve the demolding efficiency of the concrete, the present application provides an easy-release concrete mold.

[0006] The easy-release concrete mold provided by the present application adopts the following technical scheme:

[0007] An easy-release concrete mold, comprising a mold shell and a plurality of demolding assemblies arranged on the mold shell, the mold shell is a cubic cavity structure with an open top end, the mold shell comprises a bottom plate, a first mold plate and a second mold plate, two groups of the first mold plates are slidably arranged on the opposite ends of the top of the bottom plate, two groups of the second mold plates are slidably arranged on the opposite ends of the top of the bottom plate and perpendicular to the first mold plates, and the demolding assembly comprises:

[0008] A double-head reverse threaded rod, the double-head reverse threaded rod is threadedly connected with the two groups of first mold plates respectively, and the double-head reverse threaded rod drives the two groups of first mold plates to slide towards each other or away from each other when rotating;

[0009] A driving member, the driving member is arranged on the double-head reverse threaded rod and used to drive the double-head reverse threaded rod to rotate.

[0010] By adopting the technical scheme, when the concrete is poured, the driving member drives the double-end reverse screw rod to rotate forward and drives the two groups of first molds to move close to each other, so as to lock and fix the mold shell; when the concrete solidifies, the driving member drives the double-end reverse screw rod to rotate reversely and drives the two groups of first molds to move away from each other, so that the two groups of first molds are separated from the concrete block, thereby realizing the demolding of the concrete and improving the demolding efficiency of the concrete.

[0011] Further, the bottom plate is provided with a support member for supporting the double-end reverse screw rod, the support member is arranged on the bottom plate and located at the opposite end of the second mold, and the support member is rotationally connected with the middle part of the double-end reverse screw rod.

[0012] By adopting the technical scheme, the support member is fixedly installed on the bottom plate, so as to fix the position of the double-end reverse screw rod, and then facilitate the double-end reverse screw rod to drive the two groups of first molds to slide along the direction close to or away from the center line of the bottom plate, so that the double-end reverse screw rod drives the two groups of first molds to be separated from the concrete block.

[0013] Further, the driving member comprises:

[0014] A worm wheel coaxially arranged on the double-end reverse screw rod;

[0015] A worm rotationally arranged on the support member and meshed with the worm wheel;

[0016] A rotating disc coaxially arranged on the worm and used for driving the worm to rotate.

[0017] By adopting the technical scheme, the rotating disc drives the worm to rotate, the worm drives the worm wheel to rotate, and finally the double-end reverse screw rod is driven to rotate, and the self-locking structure of the worm wheel and the worm enables the double-end reverse screw rod to be driven to rotate only by the rotating disc, and the worm wheel and the worm increase the force acting on the double-end reverse screw rod, so as to drive the two groups of first molds to move away from each other.

[0018] Further, the first mold is provided with a fixing groove for fixing the end face of the second mold, and the two ends of the second mold are fixed by the fixing grooves in the two groups of first molds.

[0019] By adopting the technical scheme, the two ends of the second mold are respectively clamped in the fixing grooves in the two groups of first molds, so as to improve the fixing effect of the first mold on the second mold and improve the stability of the mold shell.

[0020] Further, the first template is threadedly connected with the double-end reverse threaded rod through a connecting block, a longitudinal section of the connecting block is isosceles trapezoidal structure and a bottom edge of the connecting block abuts against the first template, and a clearance groove is formed in the connecting block to facilitate clearance of the double-end reverse threaded rod.

[0021] By adopting the above technical scheme, the bottom of the connecting block abuts against the first template, thereby increasing the acting area on the first template and reducing the damage probability of the double-end reverse threaded rod to the first template.

[0022] Further, the connecting block is detachably arranged on the first template through a fixing bolt, and a sink hole is formed in the connecting block to facilitate fixation of the fixing bolt.

[0023] By adopting the above technical scheme, the fixing bolt is threadedly installed on the first template through the sink hole, so as to detachably install the connecting block on the first template.

[0024] Further, the double-end reverse threaded rod comprises a connecting segment, a first threaded segment and a second threaded segment, the connecting segment is rotationally arranged on a support, the first threaded segment and the second threaded segment are respectively arranged at opposite ends of the connecting rod and are threadedly connected with two groups of first templates, and threads on the first threaded segment and the second threaded segment are opposite.

[0025] By adopting the above technical scheme, the support is rotationally connected with the connecting segment and fixes the position of the connecting segment, the first threaded segment is threadedly connected with one group of first templates, the second threaded segment is threadedly connected with another group of first templates, and the threads of the first threaded segment and the second threaded segment are opposite, so that the connecting segment drives the two groups of first templates to slide towards each other or away from each other when the connecting segment rotates.

[0026] Further, the connecting segment and the first threaded segment are detachably connected through a connecting assembly, the connecting assembly comprises:

[0027] a sleeve, the sleeve is arranged on an end face of the connecting segment, and the first threaded segment is insertedly arranged in the sleeve;

[0028] a locking bolt, the locking bolt sequentially passes through the sleeve and the first threaded segment and is locked by a locking nut.

[0029] By adopting the above technical scheme, when the double-end reverse threaded rod is assembled, the first threaded segment with a proper length is insertedly installed in the sleeve, then the locking bolt sequentially passes through the sleeve and the first threaded segment, and the locking bolt is locked by the locking nut, so as to complete assembly of the first threaded segment and the connecting segment.

[0030] In summary, the present application has at least one of the following beneficial technical effects:

[0031] 1. By rotating the turntable when pouring concrete, the double-end reverse threaded rod is rotated and drives the two groups of first molds to approach each other, so as to lock and fix the mold shell; after the concrete solidifies, the turntable is reversely rotated, the double-end reverse threaded rod is rotated and drives the two groups of first molds to move away from each other, and then the two groups of first molds and the concrete block are separated from each other, so as to realize the demolding of the concrete and improve the demolding efficiency of the concrete.

[0032] 2. By selecting appropriate first threaded segments and second threaded segments, then inserting the first threaded segments and the second threaded segments into corresponding sleeves respectively, and then locking by locking bolts and locking nuts, a double-end reverse threaded rod with a specified length is formed, so as to facilitate selection according to different molds. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a concrete mold structure schematic diagram of embodiment 1 of the application;

[0034] Figure 2 is an enlarged schematic diagram of A part in Figure 1

[0035] Figure 3 is a concrete mold structure schematic diagram of embodiment 1 of the application, mainly showing the structure of the demolding assembly;

[0036] Figure 4 is a cross-sectional schematic diagram of B-B in Figure 3

[0037] Figure 5 is a concrete mold structure schematic diagram of embodiment 2 of the application;

[0038] Figure 6 is an enlarged schematic diagram of C part in Figure 5

[0039] Reference signs: 1, mold shell; 11, bottom plate; 12, first mold; 121, fixing groove; 122, extension segment; 13, second mold; 2, demolding assembly; 21, double-end reverse threaded rod; 211, connecting segment; 212, first threaded segment; 213, second threaded segment; 22, driving piece; 221, worm gear; 222, worm; 223, turntable; 3, support piece; 4, connecting block; 41, position avoiding groove; 42, sunken groove hole; 43, fixing bolt; 5, connecting assembly; 51, sleeve; 52, locking bolt; 53, locking nut. DETAILED DESCRIPTION

[0040] The application will be further described below in conjunction with the accompanying Figures 1-6 The application will be further described below in conjunction with the accompanying

[0041] The application discloses an easy-to-demold concrete mold.​​​

[0042] Embodiment 1

[0043] With reference to Figure 1 A concrete mold easy to demold, comprising a mold shell 1 and a plurality of demolding assemblies 2 arranged on the mold shell 1, the mold shell 1 is a cuboid cavity structure with an open top, the mold shell 1 comprises a bottom plate 11, a first mold plate 12 and a second mold plate 13, two groups of the first mold plate 12 are slidingly arranged on opposite ends of the top of the bottom plate 11, and two groups of the second mold plate 13 are slidingly arranged on opposite ends of the top of the bottom plate 11 and perpendicular to the first mold plate 12.

[0044] With reference to Figure 1 And Figure 2 The bottom plate 11 is fixedly installed on a workbench, the first mold plate 12 is provided in two groups, the first mold plate 12 is perpendicular to the bottom plate 11, the first mold plate 12 can slide on the bottom plate 11, the two groups of the first mold plate 12 are parallel and symmetrical to each other, and fixed grooves 121 are formed on opposite ends of one side of the first mold plate 12; the second mold plate 13 is perpendicular to the bottom plate 11, the second mold plate 13 is perpendicular to the first mold plate 12, and both ends of the second mold plate 13 are clamped and installed in the two groups of the fixed grooves 121, so as to form a cuboid cavity structure with an open top.

[0045] With reference to Figure 1 And Figure 3 The demolding assembly 2 comprises a double-head reverse threaded rod 21 and a driving member 22, the double-head reverse threaded rod 21 comprises a connecting section 211, a first threaded section 212 and a second threaded section 213, the connecting section 211 is a cylindrical structure, the first threaded section 212 and the second threaded section 213 are respectively located on opposite ends of the connecting rod, and the threads on the first threaded section 212 and the second threaded section 213 are opposite; the connecting section 211 is rotatably installed on the bottom plate 11 through a support 3, the support 3 is a support block which is detachably installed on the upper surface of the bottom through bolts, the support block is rotatably connected with the connecting section 211 through a bearing, and the support block is located on the opposite end of the second mold plate 13, so as to realize the avoidance of the concrete block.

[0046] With reference to Figure 3 And Figure 4 The first mold plate 12 is fixedly installed with an extension section 122 on both ends, the first threaded section 212 is connected with the extension section 122 through a connecting block 4, the longitudinal section of the connecting block 4 is an isosceles trapezoidal structure, the bottom side of the isosceles trapezoid abuts against the first mold plate 12, the first threaded section 212 is threadedly connected with the connecting block 4, the connecting block 4 is provided with an avoidance groove 41 for avoiding the end of the first threaded section 212 away from the connecting section 211, and the extension section 122 is also provided with an avoidance hole for avoiding the first threaded section 212.

[0047] With reference to Figure 3 AndFigure 4 The connecting block 4 is detachably installed on the extension section 122 of the first mold plate 12 through a fixing bolt 43, a sink hole 42 is formed on the inclined surface of the connecting block 4, the axis of the sink hole 42 is perpendicular to the bottom edge of the connecting block 4, the fixing bolt 43 passes through the sink hole 42 and is threadedly installed on the extension section 122, so as to realize the fixing installation of the connecting block 4 on the first mold plate 12.

[0048] With reference to Figure 2 And Figure 3 The driving member 22 is arranged on the double-end reverse threaded rod 21, the driving member 22 is used for driving the double-end reverse threaded rod 21 to rotate, the driving member 22 comprises a worm wheel 221, a worm 222 and a rotating disc 223, the worm wheel 221 is coaxially fixedly installed on the connecting section 211, the worm wheel 221 is used for driving the connecting section 211 to rotate; the worm 222 is rotatably installed on the support 3, the worm 222 is meshed with the worm wheel 221, the axis of the worm 222 is perpendicular to the second mold plate 13; the rotating disc 223 is coaxially installed on the worm 222, the rotating disc 223 is used for driving the worm 222 to rotate.

[0049] With reference to Figure 1 The two ends of the first mold plate 12 are respectively provided with a group of demolding assemblies 2, when the mold shell 1 is fixed, the two groups of demolding assemblies 2 lock and fix the two ends of the mold shell 1, so as to avoid that the two groups of first mold plates 12 are away from each other under the action of the concrete pressure; after the concrete is solidified, the two ends of the two groups of first mold plates 12 are away from each other through the joint action of the two groups of demolding assemblies 2, so as to improve the demolding effect.

[0050] With reference to Figure 1 And Figure 2 When installing, the double-end reverse threaded rod 21 is threadedly connected with the two groups of first mold plates 12 through the connecting block 4, and the double-end reverse threaded rod 21 is rotatably connected with the support block, then the rotating disc 223 is rotated, so as to make the two groups of first mold plates 12 away from each other, then the two groups of second mold plates 13 are installed between the two groups of first mold plates 12, and the two ends of the second mold plate 13 are respectively clamped in the fixing groove 121, finally the rotating disc 223 is rotated, so as to drive the two groups of first mold plates 12 to be close to each other, and the bottom plate 11 is locked, so as to form the concrete mold which is convenient for the solidification of the concrete.

[0051] With reference to Figure 1 And Figure 2When the concrete solidifies, the locking between the first formwork 12 and the bottom plate 11 is cancelled, so that the first formwork 12 can slide on the bottom plate 11, then the rotating disc 223 is rotated, the double-end reverse threaded rod 21 is driven to rotate through the transmission of the worm wheel 221 and the worm 222, and then the acting force of the double-end reverse threaded rod 21 is increased, the double-end reverse threaded rod 21 drives the two groups of first formworks 12 to move away from each other through the connecting block 4, and the supporting block fixes the position of the double-end reverse threaded rod 21, so as to separate the two groups of first formworks 12 from the concrete; when the first formwork 12 slides, the second formwork 13 slides out of the fixed groove 121, and then the second formwork 13 is separated from the concrete.

[0052] The working principle of the embodiment 1 of the application is as follows:

[0053] When the concrete is poured, the double-end reverse threaded rod 21 is rotated and drives the two groups of first formworks 12 to move close to each other through the rotating disc 223, so as to lock and fix the mold shell 1; when the concrete solidifies, the double-end reverse threaded rod 21 is rotated and drives the two groups of first formworks 12 to move away from each other through the reverse rotation of the rotating disc 223, and then the two groups of first formworks 12 are separated from the concrete block, so as to realize the demolding of the concrete and improve the demolding efficiency of the concrete.

[0054] Embodiment 2

[0055] With reference to Figure 5 and Figure 6 , the difference between the embodiment and the embodiment 1 is that the connecting section 211 and the first threaded section 212 are detachably connected through the connecting assembly 5, the connecting assembly 5 comprises a sleeve 51 and a locking bolt 52, the sleeve 51 is fixedly installed on the end face of the connecting section 211, and the first threaded section 212 is insertedly installed in the sleeve 51; the locking bolt 52 passes through the sleeve 51 and the first threaded section 212 in sequence, and then the locking bolt 52 is fixedly installed on the sleeve 51 through the locking nut 53, so as to realize the fixed connection between the connecting section 211 and the first threaded section 212.

[0056] With reference to Figure 5 and Figure 6 , the second threaded section 213 is symmetrical to the first threaded section 212, and the second threaded section 213 is also detachably connected with the connecting section 211 through the connecting assembly 5; the first threaded section 212 and the second threaded section 213 of the embodiment are all provided with multiple groups of spares, the lengths of the multiple groups of spares of the first threaded section 212 or the second threaded section 213 are different, so as to adjust the length of the double-end reverse threaded rod 21, and thus to be suitable for the formworks with different distances.

[0057] The working principle of the embodiment 2 of the application is as follows:

[0058] Suitable first threaded section 212 and second threaded section 213 are selected, and then the first threaded section 212 and the second threaded section 213 are inserted into the corresponding sleeves 51 respectively, and then locked by locking bolts 52 and locking nuts 53, to form a double-end reverse threaded rod 21 of a specified length, so as to facilitate selection according to different molds.

[0059] The above are preferred embodiments of the present application, and do not limit the protection scope of the present application, so: any equivalent changes made according to the structure, shape, principle of the present application should be covered within the protection scope of the present application.

Claims

1. A concrete mold for easy demolding, characterized in that: The mold includes a mold housing (1) and multiple sets of demolding components (2) disposed on the mold housing (1). The mold housing (1) is a cubic cavity structure with an open top. The mold housing (1) includes a base plate (11), a first template (12), and a second template (13). Two sets of the first templates (12) are slidably disposed at opposite ends of the top of the base plate (11), and two sets of the second templates (13) are slidably disposed at opposite ends of the top of the base plate (11) and perpendicular to the first templates (12). The demolding components (2) include: A double-ended reverse threaded rod (21) is threadedly connected to two sets of first templates (12) respectively. When the double-ended reverse threaded rod (21) rotates, it drives the two sets of first templates (12) to slide towards each other or away from each other. A drive element (22) is disposed on a double-ended reverse threaded rod (21) and is used to drive the double-ended reverse threaded rod (21) to rotate.

2. The easily demolded concrete mold according to claim 1, characterized in that: The base plate (11) is provided with a support member (3) for supporting the double-headed reverse threaded rod (21). The support member (3) is provided on the base plate (11) and located at the opposite end of the second template (13). The support member (3) is rotatably connected to the middle of the double-headed reverse threaded rod (21).

3. The easily demolded concrete mold according to claim 2, characterized in that: The driving element (22) includes: Worm gear (221), which is coaxially mounted on double-ended reverse threaded rod (21); The worm (222) is rotatably mounted on the support (3) and meshes with the worm wheel (221); A turntable (223) is coaxially mounted on a worm gear (222) and is used to drive the worm gear (222) to rotate.

4. The easily demolded concrete mold according to claim 1, characterized in that: The first template (12) has a fixing groove (121) for fixing the end face of the second template (13). The two ends of the second template (13) are fixed by the fixing grooves (121) on the two sets of the first template (12).

5. The easy-to-demold concrete mold according to claim 1, characterized in that: The first template (12) is threadedly connected to the double-headed reverse threaded rod (21) via a connecting block (4). The connecting block (4) has an isosceles trapezoidal structure in its longitudinal section and its bottom edge is pressed against the first template (12). The connecting block (4) is provided with a clearance groove (41) to facilitate the clearance of the double-headed reverse threaded rod (21).

6. The easily demolded concrete mold according to claim 5, characterized in that: The connecting block (4) is detachably mounted on the first template (12) by fixing bolts (43), and the connecting block (4) has a groove hole (42) for fixing the fixing bolts (43).

7. The easily demolded concrete mold according to claim 2, characterized in that: The double-ended reverse threaded rod (21) includes a connecting section (211), a first threaded section (212), and a second threaded section (213). The connecting section (211) is rotatably mounted on the support member (3). The first threaded section (212) and the second threaded section (213) are located at opposite ends of the connecting rod and are threadedly connected to two sets of first templates (12). The threads on the first threaded section (212) and the second threaded section (213) are opposite.

8. The easily demolded concrete mold according to claim 7, characterized in that: The connecting segment (211) and the first threaded segment (212) are detachably connected by a connecting assembly (5), the connecting assembly (5) comprising: A sleeve (51) is disposed on the end face of the connecting section (211), and the first threaded section (212) is inserted into the sleeve (51); The locking bolt (52) passes through the sleeve (51) and the first threaded section (212) in sequence and is locked by the locking nut (53).

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