Open-web sheet pile production mold

Abstract

The open-web sheet pile production mold comprises a mortise side mold and a tenon side mold, a mold cavity is formed between the mortise side mold and the tenon side mold, the mortise side mold comprises a first lower mold body, a first middle mold body and a first upper mold body which are sequentially stacked, and the first lower mold body, the first middle mold body and the first upper mold body are combined to form a protruding part facing the mold cavity; the tenon part side die comprises a second lower die, a second middle die and a second upper die which are sequentially stacked, and the second lower die, the second middle die and the second upper die are combined to form a concave part. The upper die, the middle die and the lower die are stacked and combined, soft die forming is not needed, deformation is not prone to occurring, and the accuracy of formed products is high. In addition, demolding is convenient, and use is convenient.

Description

Technical Field

[0001] The invention relates to the technical field of sheet pile moulds, in particular to a hollow sheet pile production mould. Background Art

[0002] At present, in the production process of the mortise and tenon structure of the common sheet piles, the mortise and tenon structures on the left and right sides are generally dovetail groove structures. In the production process, the outer hard inner mold is generally used to form the molding molds on the left and right sides. In the mortise and tenon structure, a soft and elastic rubber inner mold is set. This mold combination structure ensures that the sheet piles with qualified mortise and tenon structures can be produced. During the demolding process, the hard mold is first withdrawn from the left and right sides, and then the soft mold of rubber material is taken out. The disassembly process will not cause serious damage to the mortise and tenon parts. However, when this mold is used to produce sheet piles, due to the elastic deformation of the inner soft mold, it is easy to be impacted during the pouring of concrete, resulting in uneven mortise and tenon structure parts of the sheet piles. During the construction process, it is difficult to ensure the accuracy and convenience of the construction. It is often the case that the thickness of individual positions of the tenon part is greater than the size of the mortise groove, which will cause the mortise and tenon structure parts to be unable to be smoothly constructed. These parts have to be inspected and polished again, which will consume a lot of manpower and time, affecting the construction progress. At the same time, the concrete dust generated during the polishing process will also have an adverse effect on the health of the workers. Summary of the invention

[0003] In view of this, the purpose of the present invention is to solve the problem that the soft mold structure of the existing mold for hollow sheet pile production cannot ensure the flatness of the tenon, resulting in unevenness that affects the construction and even makes the construction difficult.

[0004] In order to achieve the above object, the present invention provides the following technical solutions:

[0005] A hollow sheet pile production mold comprises a mortise side mold and a tenon side mold, a mold cavity is provided between the mortise side mold and the tenon side mold, the mortise side mold comprises a first lower mold, a first middle mold and a first upper mold which are stacked in sequence, the first lower mold, the first middle mold and the first upper mold are combined to form a protrusion facing the mold cavity, the tenon side mold comprises a second lower mold, a second middle mold and a second upper mold which are stacked in sequence, the second lower mold, the second middle mold and the second upper mold are combined to form a recessed portion.

[0006] In some embodiments, a first contact surface is provided between the first lower mold and the first middle mold, a second contact surface is provided between the first middle mold and the first upper mold, and the first and second contact surfaces are inclined relative to a horizontal plane.

[0007] In some embodiments, the first lower mold is in the shape of a "7", with its bottom surface forming a right angle with the left side surface, its top surface tilting downward from left to right, and its top lower surface tilting downward from right to left and presenting an inclination angle of 10°-45°, and the right side of the first lower mold tilts from top to bottom to the left side; the first middle mold is trapezoidal, with its lower surface tilting downward from left to right, and its upper surface tilting upward from left to right, and the first upper mold is in the shape of an inverted "7", with its lower surface tilting upward from left to right, and its upper surface forming a right angle with the left side surface of the upper part, and its lower part protrudes to the left, and the upper surface of the protruding part tilts downward from left to right, with an inclination angle of 10°-45°.

[0008] In some embodiments, the first lower mold, the first middle mold and the first upper mold are provided with through holes, and locking pieces are passed through the through holes.

[0009] In some embodiments, a bearing portion is provided on one side of the first middle mold, and the first middle mold slides into the bearing portion when demolding, and the bearing portion has a downwardly inclined guide surface, and a stopper is provided at one end of the guide surface away from the first middle mold.

[0010] In some embodiments, the second lower mold has a first protruding block, the second upper mold has a second protruding block, a groove is formed between the first protruding block and the second protruding block, one end of the second middle mold extends into the groove to form a protrusion, one side of the second middle mold is connected to the fixed block, and the second upper mold and the second lower mold are against the fixed block.

[0011] In some embodiments, the first protruding block has a first inclined surface, the second protruding block has a second inclined surface, the first and second inclined surfaces are arranged opposite to each other, and the cross-sectional width of the groove gradually decreases from left to right; the fixing block and the upper mold have positioning holes, and connecting pieces are provided in the positioning holes.

[0012] In some embodiments, the bearing part is connected to the first stretching device, the fixed block is connected to the second stretching device, the second stretching device drives the fixed block to move in the horizontal direction, the bearing part is arranged on the sliding part, the bearing part moves away from or close to the side mold along the sliding part, a slide rail is provided at the bottom of the fixed block, and the fixed block moves along the slide rail.

[0013] In some embodiments, it also includes a bottom mold and a top mold, the mortise side mold and the tenon side mold are arranged between the bottom mold and the top mold, the two sides of the top mold are respectively connected to the first upper mold and the second upper mold, and the top mold has a pouring hole, which is connected to the mold cavity.

[0014] In some embodiments, a lifting device is provided above the mold, and the lifting device is connected to the mold.

[0015] The hollow sheet pile production mold provided by the present invention has the following advantages:

[0016] The present invention provides a production mold for hollow sheet piles, which adopts a combined structure of an upper mold, a middle mold and a lower mold, does not need to use soft film molding, is not easy to deform, and has a high precision of molded products; in addition, it is easy to demould and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 is a schematic diagram of a hollow sheet pile production mold provided by an embodiment of the present invention;

[0019] Figure 2 is a schematic diagram of a mortise side mold provided by an embodiment of the present invention;

[0020] Figure 3 is a schematic diagram of a bearing portion provided by an embodiment of the present invention;

[0021] Figure 4 Embodiment of the present invention Figure 1 Schematic diagram of part A;

[0022] In the attached figure:

[0023] 1. Bottom mold; 2. Tenon side mold; 3. Mortise side mold; 4. Top mold; 10. First contact surface; 20. Second contact surface; 30. Tenon structure; 31. Lower mold 31; 32. Middle mold; 33. Upper mold; 34. Fixing part; 35. First stretching device; 36. Sliding part; 37. Bearing part; 38. Flexible connector; 311. First extension part; 312. First main body; 331. Second extension part; 332. Second main body; 333. Second molding groove; 5. Connector; 21. Lower mold; 22. Middle mold; 23. Upper mold; 24. Groove; 211. First protruding block; 220. Protruding part; 224. Second stretching device; 225. Slide rail; 232. Second protruding block; 2111. First inclined surface; 2321. Second inclined surface. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0025] <Example 1>

[0026] like Figures 1 to 4 As shown, a hollow sheet pile production mold provided in this embodiment includes a mortise side mold 3 and a tenon side mold 2, a mold cavity 100 is provided between the mortise side mold 3 and the tenon side mold 2, and the mortise side mold 3 includes a first lower mold 31, a first middle mold 32 and a first upper mold 33 stacked in sequence, and the first lower mold 31, the first middle mold 32 and the first upper mold 33 are combined to form a protrusion facing the mold cavity. The tenon side mold 2 includes a second lower mold 21, a second middle mold 22 and a second upper mold 23 stacked in sequence, and the second lower mold 21, the second middle mold 22 and the second upper mold 23 are combined to form a recessed portion. In the above technical solution, the combined mortise side mold 3 and the tenon side mold 2 can facilitate assembly and disassembly, facilitate demoulding of the molded product, and can be flexibly adjusted according to the product size. The materials of the above-mentioned upper, middle and lower molds are all hard materials, such as stainless steel, high manganese steel, etc.

[0027] In this embodiment, a first contact surface 10 is provided between the first lower mold 31 and the first middle mold 32, a second contact surface 20 is provided between the first middle mold 32 and the first upper mold 31, and the first and second contact surfaces are arranged obliquely relative to the horizontal plane. The first lower mold 31, the first middle mold 32 and the first upper mold 33 are assembled sequentially from bottom to top, and the size and shape of the sheet pile mortise and groove structure produced after assembly are controllable without unevenness. Since the first and second contact surfaces are arranged at an angle, during the demoulding process, the first middle mold 32 can be easily pulled out from left to right. As the middle mold is pulled out from left to right, the first upper mold 33 will slowly drop from top to bottom under its own gravity, making it easy to demould, and will not damage the upper dovetail groove structure as in the prior art when demoulding from the left side. After the first upper mold 33 falls, it is transported from left to right for a distance by a lifting device to completely separate from the sheet pile, and then hoisted to the mold storage area; for the first lower mold, it is lifted up by a lifting device to separate from the mortise, and then moved from left to right to the template storage area to complete demoulding. The mortise produced in this way has a complete structure, a smooth surface, and standardized dimensions, which can fully meet the requirements of high-precision construction. In this embodiment, a number of lifting rings for lifting are respectively arranged near the upper edge of the first lower mold 31, the first middle mold 32, and the first upper mold 33 to facilitate the disassembly of the mold.

[0028] Furthermore, the first lower mold 31 is in the shape of a "7", with its bottom surface 311 and the left side surface 312 at a right angle, its top surface 313 tilting downward from left to right, and its top lower surface 314 tilting downward from right to left and presenting an inclination angle of 10°-45°, and the right side 315 of the first lower mold 31 tilting from top to bottom to the left; the first middle mold 32 is trapezoidal, with its lower surface tilting downward from left to right, and its upper surface tilting upward from left to right, and the first upper mold 33 is in the shape of an inverted "7", with its lower surface 331 tilting upward from left to right, and its upper surface 332 and the left side surface 333 of the upper part at a right angle, and its lower part protruding to the left, and the upper surface 334 of the protruding part tilting downward from left to right, with an inclination angle of 10°-45°. When the first middle mold is disengaged to the right, the resistance of the first upper and lower molds to it is reduced.

[0029] Furthermore, the first lower mold 31 , the first middle mold 32 and the first upper mold 33 are provided with a through hole 40 , and a locking piece 41 is passed through the through hole 40 , and the above molds are connected in series into one body through the locking piece 41 .

[0030] Furthermore, a bearing portion 37 is provided on one side of the first middle mold 32, and the first middle mold 32 slides into the bearing portion 37 when demoulding, and the bearing portion 37 has a downwardly inclined guide surface 371, and a stopper 372 is provided at one end of the guide surface 371 away from the middle mold, so as to support and place the middle part of the mortise and groove structure when it is pulled out to the right.

[0031] In this embodiment, the second lower mold 21 has a first protruding block 211, the second upper mold 22 has a second protruding block 232, a groove 24 is formed between the first protruding block 211 and the second protruding block 232, one end of the second middle mold extends into the groove 24 to form a protrusion 220, one side of the second middle mold is connected to the fixed block 221, and the second upper mold and the second lower mold abut against the fixed block 221. When producing sheet piles, the dovetail tenon structure used for producing sheet piles can be formed by stacking the lower, middle and upper molds from bottom to top, and at the same time, it is convenient to assemble and disassemble multiple molds and demould. By setting the protrusion 220, it is convenient to form a water stop groove on the sheet pile during production.

[0032] Furthermore, the first protruding block 211 has a first inclined surface 2111, and the second protruding block 232 has a second inclined surface 2321. The first and second inclined surfaces are arranged opposite to each other, and the cross-sectional width of the groove 24 gradually decreases from left to right; the fixed block 221 and the second upper mold have positioning holes, which are positioning holes 222 and positioning holes 231 respectively, and a connecting piece 5 is provided in the positioning hole. The connecting piece is U-shaped, and the U-shaped connecting piece is inserted upside down to fix the top right side of the fixed block 221 and the second upper mold 23.

[0033] Further, the bearing part 37 is connected to the first stretching device 35, the fixed block 221 is connected to the second stretching device 224, the second stretching device 224 drives the fixed block 221 to move in the horizontal direction, the bearing part 37 is arranged on the sliding part 36, the bearing part 37 is away from or close to the side mold along the sliding part 36, the bottom of the fixed block 221 is provided with a slide rail 225, and the fixed block 221 moves along the slide rail 225. The first middle mold 32 is connected to the first stretching device 35 through a flexible connector 38, the first stretching device 35 can be a cylinder, a stepping motor, etc., the first stretching device 35 can pull the first middle mold 32 to the right through the flexible connector 38 to achieve demoulding. The flexible connector 38 can be a rope, and the first stretching device 35 is arranged on the fixed part 34. The second stretching device 224 drives the fixed block 221 to move in the horizontal direction, so as to facilitate pulling the fixed block 221 during demoulding, and the second stretching device 224 can adopt an existing stretching device such as an electric telescopic rod.

[0034] The hollow sheet pile production mold of this embodiment also includes a bottom mold 1 and a top mold 4. The mortise side mold 3 and the tenon side mold 2 are arranged between the bottom mold 1 and the top mold 4. The two sides of the top mold 4 are respectively connected to the first upper mold 33 and the second upper mold 23. The top mold 4 has a pouring hole 44, and the pouring hole 44 is connected to the mold cavity 10. The top mold 4 is provided with holes on the left side of the upper part that match the top of the fixing block 221 and the top of the tenon structure side mold upper structure 23, which are used to fix the top mold to them through connecting rods 42, 43 or bolts; the top mold 4 is provided with holes on the right side of the upper part that match the mortise side mold 33, which are also used to connect the two through the fixing rod 41 or bolts; the top mold 4 is also provided with a concrete pouring hole 44, which is used to pour concrete into the mold.

[0035] Furthermore, a lifting device is provided above the mold, and the lifting device is connected to the mold. The lifting device includes a top truss 54, a sliding mechanism 53 is provided at the lower edge of the top truss 54, and a lifting mechanism 51 is provided at the lower edge of the sliding mechanism 53. The lifting mechanism 51 lifts and transports the mold through a steel rope.

[0036] The present embodiment provides a hollow sheet pile production mold. During the demolding process, the mortise side mold and the tenon side mold can be disassembled respectively. The first middle mold 32 of the mortise side mold can be easily pulled out from left to right. As the first middle mold 32 of the mortise structure is pulled out from left to right, the first upper mold 33 of the mortise structure will slowly descend from top to bottom under the action of its own gravity, which is very easy to demold, and will not cause damage to the upper dovetail groove structure as in the prior art when demolding from the left side. After the first upper mold 33 falls, it is transported from left to right for a distance by a lifting device to completely separate from the sheet pile, and then hoisted to the mold storage area; for the first lower mold 31, it is lifted up by a lifting device to separate it from the mortise, and then moved from left to right to the template storage area to complete demolding. The mortise produced in this way has a complete structure, a smooth surface, and standardized dimensions, which can fully meet the requirements of high-precision construction.

[0037] When the tenon side mold is removed, after the top mold is removed, the connection between the fixed block 221 and the second upper mold 23 is removed, and the second upper mold 23 is first lifted and moved away by the lifting mechanism; the second middle mold 22 is stretched by the second stretching mechanism 224 to move to the left along the slide rail 225; then the sheet pile is lifted to the storage workshop, and finally the second lower mold 21 is moved.

[0038] The tenon side mold of the hollow sheet pile provided in this embodiment does not need to be formed using a soft film, is not easy to deform, and has a high precision of the molded product; in addition, it is easy to demould and easy to use.

[0039] The above description of the disclosed embodiments enables one skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to one skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but rather to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A hollow sheet pile production mold, characterized in that: It includes a mortise side mold and a tenon side mold, with a mold cavity between the mortise side mold and the tenon side mold, the mortise side mold includes a first lower mold, a first middle mold and a first upper mold stacked in sequence, the first lower mold, the first middle mold and the first upper mold are combined to form a protrusion facing the mold cavity, and the tenon side mold includes a second lower mold, a second middle mold and a second upper mold stacked in sequence, the second lower mold, the second middle mold and the second upper mold are combined to form a recessed portion.

2. The hollow sheet pile production mold according to claim 1, characterized in that: A first contact surface is provided between the first lower mold and the first middle mold, a second contact surface is provided between the first middle mold and the first upper mold, and the first and second contact surfaces are arranged obliquely relative to a horizontal plane.

3. The hollow sheet pile production mold according to claim 2, characterized in that: The first lower mold is in the shape of a "7", with its bottom surface forming a right angle with the left side surface, its top surface tilting downward from left to right, and its top lower surface tilting downward from right to left and presenting an inclination angle of 10°-45°, and the right side of the first lower mold tilts from top to bottom to the left side; the first middle mold is trapezoidal, with its lower surface tilting downward from left to right, and its upper surface tilting upward from left to right, and the first upper mold is in the shape of an inverted "7", with its lower surface tilting upward from left to right, and its upper surface forming a right angle with the left side surface of the upper part, and its lower part protrudes to the left, and the upper surface of the protruding part tilts downward from left to right, with an inclination angle of 10°-45°.

4. The hollow sheet pile production mold according to claim 3, characterized in that: The first lower die, the first middle die and the first upper die are provided with through holes, and locking pieces are passed through the through holes.

5. The hollow sheet pile production mold according to claim 4, characterized in that: A bearing part is provided on one side of the first middle mold, and the first middle mold slides into the bearing part when demoulding. The bearing part has a downwardly inclined guide surface, and a stopper is provided at one end of the guide surface away from the first middle mold.

6. The hollow sheet pile production mold according to claim 5, characterized in that: The second lower mold has a first protruding block, the second upper mold has a second protruding block, a groove is formed between the first protruding block and the second protruding block, one end of the second middle mold extends into the groove to form a protrusion, one side of the second middle mold is connected to the fixed block, and the second upper mold and the second lower mold are against the fixed block.

7. The hollow sheet pile production mold according to claim 6, characterized in that: The first protruding block has a first inclined surface, the second protruding block has a second inclined surface, the first and second inclined surfaces are arranged opposite to each other, and the cross-sectional width of the groove gradually decreases from left to right; the fixing block and the upper mold have positioning holes, and connecting pieces are arranged in the positioning holes.

8. The hollow sheet pile production mold according to claim 7, characterized in that: The bearing part is connected to the first stretching device, and the fixed block is connected to the second stretching device. The second stretching device drives the fixed block to move in the horizontal direction. The bearing part is arranged on the sliding part, and the bearing part moves away from or close to the side mold along the sliding part. A slide rail is arranged at the bottom of the fixed block, and the fixed block moves along the slide rail.

9. The hollow sheet pile production mold according to claim 8, characterized in that: It also includes a bottom mold and a top mold, the mortise side mold and the tenon side mold are arranged between the bottom mold and the top mold, the two sides of the top mold are respectively connected to the first upper mold and the second upper mold, and the top mold has a pouring hole, which is connected to the mold cavity.

10. The hollow sheet pile production mold according to claim 9, characterized in that: A lifting device is arranged above the mold, and the lifting device is connected with the mold.

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