Adjustable stair pouring mold

Abstract

An adjustable stair pouring mold comprises a mold body and a pouring template, the mold body comprises an upper platform skeleton and a lower platform skeleton which are arranged in a vertically staggered mode, a plurality of step skeletons arranged between the upper platform skeleton and the lower platform skeleton in a stepped mode and two connecting skeletons oppositely arranged on the two sides of the step skeletons; the pouring formwork comprises an upper pouring flat plate, a lower pouring flat plate, a plurality of pouring pedals and two pouring side plates, wherein the upper pouring flat plate and the lower pouring flat plate are connected with the upper platform framework and the lower platform framework respectively; the pouring pedals are arranged between the upper pouring flat plate and the lower pouring flat plate in a stepped mode; the plurality of pouring pedals are opposite to the plurality of stepping frameworks one by one and are respectively arranged on the outer sides of the corresponding stepping frameworks; the stair pouring mold is simple in overall structure, easy to disassemble and assemble and easy to operate by workers, and the production training cost is reduced; the maintenance is easy, the part replacement cost is low, and the production cost is greatly reduced.

Description

Technical Field

[0001] The utility model belongs to the field of staircase preparation, and particularly relates to an adjustable staircase casting mold. Background Art

[0002] In the production process of PC staircases, the tied steel bars need to be placed in the corresponding molds, and then concrete is poured. After the concrete solidifies, the molds are removed, and the PC staircases can be fabricated. The commonly used molds for current PC staircases are wooden molds and steel molds. The disadvantages of wooden molds are: 1. Short service life, with the number of recycling times not exceeding 3 times; 2. Complicated splicing process, consuming a large amount of labor. The disadvantages of steel molds are: 1. High cost, requiring special customization according to the drawings; 2. Poor compatibility, with a specific mold needed for each model. For the large number of commercial staircases in current projects, the quantity is small, the variety is large, and the repetition rate of the same model is low, resulting in high production costs for the factory. There is an urgent need for a staircase mold that can accommodate multiple models and has a high repetition rate. Content of the Utility Model

[0003] The purpose of the utility model is to overcome the shortcomings of the prior art and provide an adjustable staircase casting mold.

[0004] The utility model adopts the following technical scheme:

[0005] An adjustable staircase casting mold includes a mold main body and a casting template.

[0006] The mold main body includes an upper platform skeleton and a lower platform skeleton which are arranged staggeredly up and down, a plurality of step skeletons which are arranged in a stepped manner between the upper platform skeleton and the lower platform skeleton, and two connecting skeletons which are oppositely arranged on both sides of the plurality of step skeletons.

[0007] The casting template includes an upper casting flat plate and a lower casting flat plate which are respectively connected to the upper platform skeleton and the lower platform skeleton, a plurality of casting pedals which are arranged in a stepped manner between the upper casting flat plate and the lower casting flat plate, and two casting side plates which are oppositely arranged on both sides of the plurality of step skeletons and are respectively connected to the two connecting skeletons. The plurality of casting pedals are in one-to-one correspondence with the plurality of step skeletons and are respectively arranged on the outer sides of the corresponding step skeletons.

[0008] Preferably, the step skeleton includes a fixed pipe, two moving pipes which can move towards or away from each other and are arranged on the fixed pipe, two connecting pieces which are respectively arranged at the connections between the two moving pipes and the upper platform skeleton or the two sides of the previous step skeleton, and fixing pieces which are respectively arranged between the two moving pipes and the fixed pipe. The two moving pipes are respectively connected to the two opposite connecting skeletons.

[0009] Preferably, the moving pipe includes a moving pipe body which can be movably arranged on the fixed pipe, an operating handle sleeved on the moving pipe body, and a connecting pipe which is arranged at the end of the moving pipe body and is connected to the opposite connecting skeleton. The fixing piece is arranged between the moving pipe body and the fixed pipe.

[0010] Preferably, the connecting member includes a connecting frame connected to the upper platform skeleton or the previous step skeleton, an extension pipe disposed at the lower end of the connecting frame and extending outward to be connected to the next step skeleton or the lower platform skeleton, and an adjusting and locking member disposed between the connecting frame and the upper platform skeleton or the previous step skeleton. The connecting frame includes a horizontal section connected to the upper platform skeleton or the previous step skeleton and a vertical section vertically arranged and extending downward from the horizontal section. The extension pipe is vertically disposed at the lower end of the vertical section and extends outward.

[0011] Preferably, the adjusting and locking member includes a first strip-shaped adjusting hole extending horizontally on the upper platform skeleton or the extension pipe of the previous step skeleton, a second strip-shaped adjusting hole extending vertically on the connecting frame and opposite to the first strip-shaped adjusting hole, and a locking bolt assembly passing through the second strip-shaped adjusting hole and the first strip-shaped adjusting hole.

[0012] Preferably, the casting pedal includes a first casting plate disposed outside the vertical section and a second casting plate disposed perpendicular to the first casting plate and outside the extension pipe.

[0013] Preferably, the connecting skeleton includes two connecting rods arranged obliquely, a plurality of movable frames movably disposed on the two connecting rods, and limiting members respectively disposed between the plurality of movable frames and the connecting rods. The plurality of movable frames are respectively connected to the ends of the plurality of step skeletons.

[0014] Preferably, the movable frame includes two movable sleeves movably disposed on the two connecting rods respectively and a connecting rod between the two connected movable sleeves. The limiting member is disposed between the movable sleeve and the connecting rod.

[0015] Preferably, the upper platform skeleton includes two upper positioning frames that can move toward or away from each other, two upper positioning pipes respectively disposed on the two upper positioning frames and connected to the first step skeleton, and two upper positioning members respectively disposed between the two upper positioning frames and the upper casting flat plate.

[0016] Preferably, the upper positioning member includes an upper positioning block connected to the upper positioning frame, an upper positioning screw hole disposed on the upper positioning block and extending along the moving direction of the upper positioning frame, and an upper positioning bolt that cooperates with the upper positioning screw hole and abuts against the upper casting flat plate.

[0017] As can be seen from the above description of the present invention, compared with the prior art, the beneficial effects of the present invention are as follows: The staircase casting mold defined in this application has a simple overall structure, is easy to disassemble and assemble, easy for workers to operate, and reduces the production training cost; and it is easy to maintain, with low cost for replacing parts, greatly reducing the production cost, avoiding the need to repeatedly make molds like traditional wooden molds and also eliminating the need to prepare multiple molds for each size like traditional steel molds. Description of the Drawings

[0018] Figure 1 Structural schematic of the pouring mold Figure 1 ;

[0019] Figure 2 Structural schematic of the pouring mold Figure 2 ;

[0020] Figure 3 Structural schematic of the pouring mold Figure 3 ;

[0021] Figure 4 Schematic diagram of the use of the pouring mold;

[0022] In the figure, 1 - upper platform skeleton, 2 - lower platform skeleton, 3 - step skeleton, 4 - connecting skeleton, 5 - upper pouring flat plate, 6 - lower pouring flat plate, 7 - pouring pedal, 8 - pouring side plate, 11 - upper positioning frame, 12 - positioning pipe, 13 - upper positioning part, 14 - upper positioning block, 15 - upper positioning screw hole, 16 - upper positioning bolt, 21 - lower positioning frame, 22 - lower positioning pipe, 23 - lower positioning part, 31 - fixed pipe, 32 - movable pipe, 321 - movable pipe body, 322 - operating handle, 323 - connecting pipe, 33 - connecting part, 34 - fixing part, 35 - connecting frame, 351 - horizontal section, 352 - vertical section, 36 - extension pipe, 37 - adjusting and locking part, 371 - first strip-shaped adjusting hole, 372 - second strip-shaped adjusting hole, 373 - locking bolt assembly, 41 - connecting rod, 42 - movable frame, 421 - movable sleeve, 422 - connecting rod, 43 - limiting part, 71 - first pouring plate, 72 - second pouring plate. Specific embodiments

[0023] The present utility model will be further described below through specific embodiments.

[0024] Referring to Figures 1 to 4 shown, an adjustable staircase pouring mold includes a mold body and a pouring template.

[0025] The mold body includes an upper platform skeleton 1 and a lower platform skeleton 2 which are arranged staggeredly up and down, a plurality of step skeletons 3 which are arranged in a stepped manner between the upper platform skeleton 1 and the lower platform skeleton 2, and two connecting skeletons 4 which are oppositely arranged on both sides of the plurality of step skeletons 3.

[0026] The casting formwork includes an upper casting flat plate 5 and a lower casting flat plate 6 respectively connected to the upper platform skeleton 1 and the lower platform skeleton 2, a plurality of casting pedals 7 arranged in a stepped manner between the upper casting flat plate 5 and the lower casting flat plate 6, and two casting side plates 8 oppositely arranged on both sides of the plurality of step skeletons 3 and respectively connected to the two connecting skeletons 4. Among them, the plurality of casting pedals 7 are in one-to-one correspondence with the plurality of step skeletons 3 and are respectively arranged on the outer sides of the corresponding step skeletons 3; the casting side plates 8 are arranged between the connecting skeleton 4 and the relatively plurality of step skeletons 3, and form a concrete casting area with the casting pedals 7, the upper casting flat plate 5 and the lower casting flat plate 6; the casting pedals 7, the upper casting flat plate 5 and the lower casting flat plate 6 are selected according to the adjusted main structure of the mold to adapt to the structure of the main body of the mold.

[0027] The upper platform skeleton 1 includes two upper positioning frames 11 that can move towards or away from each other, two upper positioning pipes 12 respectively arranged on the two upper positioning frames 11 and connected to the first step skeleton, and two upper positioning members 13 respectively arranged between the two upper positioning frames 11 and the upper casting flat plate 5; among them, the upper positioning member 13 includes an upper positioning block 14 connected to the upper positioning frame 11, an upper positioning screw hole 15 arranged on the upper positioning block 14 and extending along the moving direction of the upper positioning frame 11, and an upper positioning bolt 16 that cooperates with the upper positioning screw hole 15 and abuts against the upper casting flat plate 5.

[0028] The lower platform skeleton 2 includes two lower positioning frames 21 that can move towards or away from each other, two lower positioning pipes 22 respectively arranged between the two lower positioning frames 21 and connected to the last step skeleton, and two lower positioning members 23 respectively arranged between the two lower positioning frames 21 and the lower casting flat plate 6. Among them, the structure of the lower positioning member 23 is the same as that of the upper positioning member 13, and the specific structure thereof will not be further described here.

[0029] The step skeleton 3 includes a fixed pipe 31, two moving pipes 32 that can move towards or away from each other and are arranged on the fixed pipe 31, two connecting members 33 respectively arranged between the two moving pipes 32 and connected to both sides of the upper platform skeleton 1 or the previous step skeleton, and fixing members 34 respectively arranged between the two moving pipes 32 and the fixed pipe 31. The two moving pipes 32 are respectively connected to the two opposite connecting skeletons 4. By moving the two moving pipes 32 towards or away from each other, while adjusting the length of the stair step, it can also drive the movement of the connecting skeletons 4 on both sides, simplifying the adjustment steps.

[0030] The moving pipe 32 includes a moving pipe body 321 that can be movably arranged on the fixed pipe 31, an operating handle 322 sleeved on the moving pipe body 321, and a connecting pipe 323 arranged at the end of the moving pipe body 321 and connected to the relative connecting skeleton 4; among them, the fixing member 34 is arranged between the moving pipe body 321 and the fixed pipe 31 and includes a fixing bolt that can cooperate with the moving pipe body 321 and abut against the fixed pipe 31.

[0031] The connecting member 33 includes a connecting frame 35 connected to the positioning pipe 12 of the upper platform skeleton or the previous step skeleton, an extension pipe 36 provided at the lower end of the connecting frame 35 and extending outward to be connected to the next step skeleton or the lower platform skeleton, and an adjusting and locking member 37 provided between the connecting frame 35 and the upper platform skeleton 1 or the previous step skeleton. Among them, the connecting frame 35 includes a horizontal section 351 connected to the upper platform skeleton 1 or the previous step skeleton and a vertical section 352 arranged perpendicular to the horizontal section 351 and extending downward. The extension pipe 36 is vertically provided at the lower end of the vertical section 352 and extends outward; the adjusting and locking member 37 includes a first strip-shaped adjusting hole 371 extending horizontally on the upper positioning pipe 12 or the extension pipe of the previous step skeleton, a second strip-shaped adjusting hole 372 extending vertically on the connecting frame 35 and opposite to the first strip-shaped adjusting hole 371, and a locking bolt assembly 373 passing through the second strip-shaped adjusting hole 372 and the first strip-shaped adjusting hole 371; by defining the structure of the adjusting and locking member 37, the height and width of the step can be adjusted to meet the requirements of different-sized stairs.

[0032] The connecting skeleton 4 includes two inclined connecting rods 41, a plurality of movable frames 42 movably arranged on the two connecting rods 41, and limiting members 43 respectively arranged between the plurality of movable frames 42 and the connecting rods 41. The plurality of movable frames 42 are respectively opposite to the ends of the plurality of step skeletons 3; among them, the movable frame 42 includes two movable sleeves 421 movably arranged on the two connecting rods 41 respectively and a connecting rod 422 connecting the two movable sleeves 421; the limiting member 43 is arranged between the movable sleeve 421 and the connecting rod 41 and includes a limiting bolt that cooperates with the movable sleeve 421 and abuts against the connecting rod 41.

[0033] The upper casting flat plate 5 is arranged in an inverted L shape outside the upper platform skeleton 1; and the lower casting flat plate 5 is also arranged in an inverted L shape outside the lower platform skeleton 2.

[0034] The casting pedal 7 includes a first casting plate 71 arranged outside the vertical section 352 and a second casting plate 72 arranged perpendicular to the first casting plate 71 and outside the extension pipe 36.

[0035] During operation, according to the size of the prepared stairs, adjust the positions of the two moving pipes 32 and the position of the connecting frame 35 so that the adjusted mold can be used for various model sizes; then invert the mold, place the tied steel bars into the mold, and then pour concrete. After the concrete solidifies, remove the mold to obtain the stairs of the required size.

[0036] The staircase casting mold defined in this application has a simple overall structure, is easy to disassemble and assemble, easy for workers to operate, and reduces the production training cost; and it is easy to maintain, with low cost for replacing parts, greatly reducing the production cost, avoiding the need to repeatedly make molds like traditional wooden molds and also eliminating the need to prepare multiple molds for each size like traditional steel molds.

[0037] The above are only the preferred embodiments of the present utility model, and thus the scope of implementation of the present utility model cannot be limited thereby. That is, equivalent changes and modifications made according to the scope of the patent application of the present utility model and the content of the specification should still fall within the scope covered by the patent of the present utility model.

Claims

1. An adjustable staircase casting mold, characterized in that: Including mold body and casting template, The mold body includes an upper platform frame and a lower platform frame staggered in upper and lower positions, a plurality of step frames arranged in a stepped manner between the upper platform frame and the lower platform frame, and two connecting frames relatively arranged on both sides of the plurality of step frames; The casting formwork includes an upper casting plate and a lower casting plate respectively connected to the upper platform frame and the lower platform frame, a plurality of casting pedals arranged in a stepped manner between the upper casting plate and the lower casting plate, and two casting side plates relatively arranged on both sides of the plurality of step frames and respectively connected to the two connecting frames. The plurality of casting pedals are opposite to the plurality of step frames one by one and are respectively arranged on the outside of the corresponding step frames.

2. The adjustable stair casting mold according to claim 1, characterized in that: The step frame includes a fixed tube, two movable tubes arranged on the fixed tube and can move toward or away from each other, two connecting parts respectively arranged to connect the two movable tubes with the upper platform frame or the two sides of the previous step frame, and fixing parts respectively arranged between the two movable tubes and the fixed tube. The two movable tubes are respectively connected to two opposite connecting frames.

3. The adjustable stair casting mold according to claim 2, characterized in that: The movable tube comprises a movable tube body movably arranged on the fixed tube, an operating handle sleeved on the movable tube body and a connecting tube arranged at the end of the movable tube body and connected to a relative connecting frame, and the fixing member is arranged between the movable tube body and the fixed tube.

4. The adjustable stair casting mold according to claim 2, characterized in that: The connecting member includes a connecting frame connected to the upper platform frame or the previous step frame, an extension pipe arranged at the lower end of the connecting frame and extending outwardly to be connected to the next step frame or the lower platform frame, and an adjusting locking member arranged between the connecting frame and the upper platform frame or the previous step frame. The connecting frame includes a horizontal section connected to the upper platform frame or the previous step frame and a vertical section arranged perpendicularly to the horizontal section and extending downward. The extension pipe is vertically arranged at the lower end of the vertical section and extends outward.

5. The adjustable stair casting mold according to claim 4, characterized in that: The adjustment locking member includes a first strip adjustment hole extending in the horizontal direction on the upper platform frame or the extension tube of the previous step frame, a second strip adjustment hole extending in the vertical direction on the connecting frame opposite to the first strip adjustment hole, and a locking bolt assembly passing through the second strip adjustment hole and the first strip adjustment hole.

6. The adjustable staircase casting mold according to claim 4, characterized in that: The pouring tread comprises a first pouring plate arranged outside the vertical section and a second pouring plate arranged perpendicularly to the first pouring plate and arranged outside the extension pipe.

7. The adjustable stair casting mold according to claim 1, characterized in that: The connecting frame comprises two connecting rods arranged obliquely, a plurality of movable frames movably arranged on the two connecting rods, and limiting members respectively arranged between the plurality of movable frames and the connecting rods, and the plurality of movable frames are respectively connected to the ends of the plurality of stepping frames.

8. The adjustable stair casting mold according to claim 7, characterized in that: The movable frame comprises two movable sleeves which are movably arranged on two connecting rods respectively and a connecting rod between the two movable sleeves, and the limiting member is arranged between the movable sleeves and the connecting rod.

9. The adjustable stair casting mold according to claim 1, characterized in that: The upper platform frame comprises two upper positioning frames which can be moved towards or away from each other, two upper positioning tubes which are respectively arranged on the two upper positioning frames and connected to the first step frame, and two upper positioning members which are respectively arranged between the two upper positioning frames and the upper casting plate.

10. The adjustable stair casting mold according to claim 9, characterized in that: The upper positioning member comprises an upper positioning block connected to the upper positioning frame, an upper positioning screw hole arranged on the upper positioning block and extending along the moving direction of the upper positioning frame, and an upper positioning bolt cooperating with the upper positioning screw hole and abutting against the upper casting plate.

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