Prefabricated stair mold

By designing a cleaning mechanism in the precast stair mold and using hydraulic and mechanical rotation to spray water to clean the residue, the problem of concrete residue affecting product quality and mold life is solved, achieving more efficient cleaning and longer mold service life.

CN222360377UActive Publication Date: 2025-01-17JIANGSU YUHUI NEW MATERIAL GRP CO LTD
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Patent Information

Application Number
CN202420675662.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-03
Publication Date
2025-01-17
Estimated Expiration
2034-04-03

AI Technical Summary

Technical Problem

If the concrete residue remaining in existing prefabricated stair molds is not cleaned in time, it will affect the appearance and quality of the new product, and even lead to product defects. At the same time, the friction of the mold increases, resulting in increased wear on the mold surface and shorten the service life of the mold.

Method used

A prefabricated staircase mold is designed, which includes a mold mechanism and a cleaning mechanism. The mold mechanism is used to pour concrete stably and prevent mold separation. The cleaning mechanism includes a hydraulic cylinder, slider, motor, pulley and water pump. It sprays water through hydraulic drive and mechanical rotation to clean the residue inside the mold.

Benefits of technology

It effectively removes the concrete residue left in the mold, prevents it from affecting the quality of new products, extends the service life of the mold, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a prefabricated stair mold, and relates to the technical field of prefabricated buildings. The device comprises a rectangular frame and a step mold fixedly installed at the top of the rectangular frame, a mold mechanism and a cleaning mechanism are arranged on the rectangular frame, the mold mechanism comprises two rectangular plates arranged at the top and the bottom of the step mold respectively, and first rotating shafts are fixedly installed on the sides, close to each other, of the rectangular plates respectively; the outer walls of the two first rotating shafts are rotationally sleeved with side molds correspondingly, and two guide rail frames are fixedly installed in the rectangular frame. By arranging the cleaning mechanism, when a large number of concrete residues are left on the mold after the mold is used and the residues need to be cleaned, two second hydraulic cylinders can be driven to drive cleaning assemblies on the second hydraulic cylinders to move to the position above the mold, and when the cleaning assemblies move to the position above the mold, a first hydraulic cylinder can be driven to drive a second hydraulic cylinder to move to the position above the mold. The first hydraulic cylinder drives the sliding block and the cleaning assembly on the sliding block to slide downwards into the mold.
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Description

Technical Field

[0001] The utility model belongs to the technical field of assembled buildings, in particular to a prefabricated staircase mould. Background Art

[0002] In the related art, a prefabricated staircase mold with a publication number of CN217573358U is disclosed, comprising: a mold body, the mold body encloses a casting cavity; a partition plate is detachably arranged inside the mold body, and the partition plate is suitable for dividing the casting cavity in the width direction of the prefabricated staircase mold. The utility model provides a prefabricated staircase mold, wherein a detachable partition plate is arranged inside the mold body, and the casting cavity is divided by the partition plate to form a plurality of casting sub-cavities, and casting is performed on the plurality of casting sub-cavities.

[0003] After the device is used, concrete residues will remain on the mold. If not processed, these residues will affect the appearance and quality of the new product during the next production, and may even cause product defects. At the same time, the residual concrete will increase the friction of the mold, causing increased wear on the mold surface and shortening the service life of the mold. Utility Model Content

[0004] The utility model aims to provide a prefabricated staircase mould, which solves the problem that if the residues are not processed, they will affect the appearance and quality of the new product during the next production, and even cause product defects. At the same time, the residual concrete will increase the friction of the mould, resulting in increased wear on the mould surface and shortening the service life of the mould.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a prefabricated staircase mold, comprising a rectangular frame and a step mold fixedly installed on the top of the rectangular frame, wherein a mold mechanism and a cleaning mechanism are arranged on the rectangular frame;

[0007] The mold mechanism includes two rectangular plates respectively arranged at the top and bottom of the step mold, and a rotating shaft 1 is fixedly installed on the side close to each other of several rectangular plates, and a side mold is rotatably sleeved on the outer walls of the two rotating shafts. Two guide rail frames are fixedly installed in the rectangular frame, and base frames are slidably installed on the tops of the two guide rail frames, and a back mold is fixedly installed on the backs of the two base frames, and the bottom of the back mold is in contact with the two guide rail frames.

[0008] Furthermore, a fixed block is fixedly installed on the top of the step mold, a rectangular block is rotatably installed on the fixed block, a threaded rod is fixedly installed on the front of the rectangular block, a limit block is fixedly installed on the top of the back mold, the threaded rod is adapted to the limit block, a nut is threadedly installed on the outer wall of the limit block, and the nut is in contact with the limit block.

[0009] Furthermore, the cleaning mechanism includes a base plate arranged on the back of the rectangular frame, two sliding rods are fixedly installed on the top of the base plate, sliding blocks are slidably installed on the outer walls of the two sliding rods, a top plate is fixedly installed on the top of the two sliding rods, a hydraulic cylinder 1 is fixedly installed on the top of the base plate, and the output shaft of the hydraulic cylinder 1 is fixedly connected to the sliding block.

[0010] Furthermore, two hydraulic cylinders 2 are fixedly installed on the front of the slider, and strip plates are fixedly installed on the output shafts of the two hydraulic cylinders 2. A hoop is threadedly installed on the bottom of the strip plate, and a motor is arranged in the hoop. A rotating shaft 2 is fixedly installed on the output shaft of the motor, and the rotating shaft 2 passes through the strip plate and is rotatably connected to the strip plate.

[0011] Furthermore, a plurality of circular grooves are provided on the top of the strip plate, outer tubes are rotatably installed in a plurality of the circular grooves, inner tubes are rotatably installed in a plurality of the outer tubes, pulleys are fixedly sleeved on the outer walls of a plurality of the outer tubes and the second rotating shaft, and belts are wrapped around the outer walls of a plurality of the pulleys.

[0012] Furthermore, several circular holes are respectively opened on the outer walls of several of the outer tubes, connecting pipe 1 is fixedly installed on the top of several of the inner tubes, a water tank is fixedly installed on the top of the base plate, a water pump is fixedly installed on the top of the water tank, and connecting pipe 2 is fixedly installed on the top of the water pump, and the water outlet end of connecting pipe 2 is fixedly connected to connecting pipe 1.

[0013] The utility model has the following beneficial effects:

[0014] (1) The utility model sets a mold mechanism. When in use, the back mold is first pushed inward, and the two bottom frames on the back mold will slide inward through the guide rail frames respectively until the back mold matches the step mold, and then the two side molds are matched with the step mold and the back mold. After that, the two threaded rods are rotated to make the two threaded rods contact with the limit blocks on the back mold. After the contact is completed, the nuts on the two threaded rods are rotated so that the two nuts can fix the threaded rods, thereby preventing the mold from separating when concrete is poured into the mold.

[0015] The utility model is provided with a cleaning mechanism. When a large amount of concrete residues remain on the mold after use, and the residues need to be cleaned, the two hydraulic cylinders two can be driven, and the two hydraulic cylinders two can drive the cleaning components thereon to move above the mold. When moving above the mold, the hydraulic cylinder one can be driven, and the hydraulic cylinder one drives the slider and the cleaning component on the slider to slide downward into the mold. After adjustment, the motor can be started, and the motor can drive the rotating shaft two, and the rotating shaft two can then drive a plurality of outer tubes to rotate through a belt. During the rotation of the plurality of outer tubes, the water pump can be started synchronously, and the water pump can absorb water from the water tank and transport it to the connecting pipe one through the connecting pipe two, and the connecting pipe one then transports it to the plurality of inner tubes, and the inner tubes then transport it to the plurality of outer tubes, and the plurality of outer tubes can rotate and spray water through the plurality of circular holes thereon to clean the inside of the mold, so as to prevent the remaining residues from affecting the quality of the next batch of products.

[0016] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0018] Figure 1 This is a structural schematic diagram of a prefabricated staircase mold of the utility model;

[0019] Figure 2 This is a schematic diagram of the side cross-sectional structure of a prefabricated staircase mold of the utility model;

[0020] Figure 3 This is a schematic diagram of the oblique back view of a prefabricated staircase mold of the utility model;

[0021] Figure 4 For this utility model Figure 2 A is a schematic diagram of the enlarged structure of the middle part;

[0022] Figure 5 For this utility model Figure 1 Schematic diagram of the enlarged structure of B.

[0023] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0024] 1. Rectangular frame; 2. Step mold; 3. Rectangular plate; 4. Rotating shaft 1; 5. Side mold; 6. Guide rail frame; 7. Base frame; 8. Back mold; 9. Fixed block; 10. Rectangular block; 11. Threaded rod; 12. Limit block; 13. Nut; 14. Bottom plate; 15. Sliding rod; 16. Sliding block; 17. Top plate; 18. Hydraulic cylinder 1; 19. Hydraulic cylinder 2; 20. Strip plate; 21. Hoop; 22. Motor; 23. Rotating shaft 2; 24. Round groove; 25. Outer tube; 26. Inner tube; 27. Pulley; 28. Belt; 29. ​​Round hole; 30. Connecting pipe 1; 31. Water tank; 32. Water pump; 33. Connecting pipe 2. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figure 1-5 As shown, the utility model is a prefabricated staircase mold, comprising a rectangular frame 1 and a step mold 2 fixedly installed on the top of the rectangular frame 1, and a mold mechanism and a cleaning mechanism are arranged on the rectangular frame 1;

[0027] The mold mechanism includes two rectangular plates 3 respectively arranged on the top and bottom of the step mold 2, and a rotating shaft 4 is fixedly installed on the side close to each other of the plurality of rectangular plates 3. Side molds 5 are rotatably sleeved on the outer walls of the two rotating shafts 4. Two guide rail frames 6 are fixedly installed in the rectangular frame 1, and base frames 7 are slidably installed on the tops of the two guide rail frames 6. Back molds 8 are fixedly installed on the backs of the two base frames 7, and the bottoms of the back molds 8 are in contact with the two guide rail frames 6.

[0028] Among them Figure 5 As shown, a fixed block 9 is fixedly installed on the top of the step mold 2, a rectangular block 10 is rotatably installed on the fixed block 9, a threaded rod 11 is fixedly installed on the front of the rectangular block 10, a limit block 12 is fixedly installed on the top of the back mold 8, the threaded rod 11 is adapted to the limit block 12, a nut 13 is threadedly installed on the outer wall of the limit block 12, and the nut 13 is in contact with the limit block 12.

[0029] By matching the two side molds 5 with the step mold 2 and the back mold 8, and then rotating the two threaded rods 11, the two threaded rods 11 are in contact with the limit blocks 12 on the back mold 8. After the contact, the nuts 13 on the two threaded rods 11 are rotated so that the two nuts 13 can fix the threaded rods 11, thereby preventing the mold from separating when pouring concrete into the mold.

[0030] Among them Figure 3 As shown, the cleaning mechanism includes a bottom plate 14 arranged on the back of the rectangular frame 1, two sliding rods 15 are fixedly installed on the top of the bottom plate 14, sliding blocks 16 are slidably installed on the outer walls of the two sliding rods 15, a top plate 17 is fixedly installed on the top of the two sliding rods 15, and a hydraulic cylinder 18 is fixedly installed on the top of the bottom plate 14, and the output shaft of the hydraulic cylinder 18 is fixedly connected to the sliding block 16.

[0031] By setting, when it moves to the top of the mold, the hydraulic cylinder 18 can be driven, and the hydraulic cylinder 18 drives the slide block 16 and the cleaning component on the slide block 16 to slide downward into the mold.

[0032] Among them Figure 3 As shown, two hydraulic cylinders 2 19 are fixedly installed on the front of the slider 16, and a strip plate 20 is fixedly installed on the output shafts of the two hydraulic cylinders 2 19. A hoop 21 is threadedly installed on the bottom of the strip plate 20, and a motor 22 is arranged in the hoop 21. A rotating shaft 23 is fixedly installed on the output shaft of the motor 22, and the rotating shaft 23 penetrates the strip plate 20 and is rotatably connected to the strip plate 20.

[0033] By setting it so that after the mold is used, a lot of concrete residues will remain on the mold, when it is necessary to clean up these residues, the two hydraulic cylinders 19 can be driven, and the two hydraulic cylinders 19 will drive the cleaning components thereon to move above the mold.

[0034] Among them Figure 4 As shown, a plurality of circular grooves 24 are provided on the top of the strip plate 20, outer tubes 25 are rotatably installed in the plurality of circular grooves 24, inner tubes 26 are rotatably installed in the plurality of outer tubes 25, pulleys 27 are fixedly sleeved on the outer walls of the plurality of outer tubes 25 and the second rotating shaft 23, and belts 28 are wound around the outer walls of the plurality of pulleys 27.

[0035] After the settings are adjusted, the motor 22 can be started, and the motor 22 will drive the second rotating shaft 23, and the second rotating shaft 23 will drive the multiple outer tubes 25 to rotate through the belt 28.

[0036] Among them Figure 2 As shown, a plurality of circular holes 29 are respectively opened on the outer walls of the plurality of outer tubes 25, a connecting pipe 1 30 is fixedly installed on the top of the plurality of inner tubes 26, a water tank 31 is fixedly installed on the top of the bottom plate 14, a water pump 32 is fixedly installed on the top of the water tank 31, a connecting pipe 2 33 is fixedly installed on the top of the water pump 32, and the water outlet end of the connecting pipe 2 33 is fixedly connected to the connecting pipe 1 30.

[0037] By setting it during the rotation of multiple outer tubes 25, the water pump 32 can be started synchronously, the water pump 32 will absorb water from the water tank 31 and transport it to the connecting tube 1 30 through the connecting tube 2 33, the connecting tube 1 30 transports it to the multiple inner tubes 26, the inner tubes 26 transport it to the multiple outer tubes 25, and the multiple outer tubes 25 then rotate to spray water through the multiple circular holes 29 thereon to clean the inside of the mold, so as to prevent the remaining residue from affecting the quality of the next batch of products.

[0038] A specific application of this embodiment is: when in use, first push the back mold 8 inward, and the two base frames 7 on the back mold 8 will slide inward through the guide rail frames 6 respectively until the back mold 8 matches the step mold 2, and then match the two side molds 5 with the step mold 2 and the back mold 8, and then rotate the two threaded rods 11 to make the two threaded rods 11 contact with the limit blocks 12 on the back mold 8, and then rotate the nuts 13 on the two threaded rods 11 after contact, so that the two nuts 13 can fix the threaded rods 11, thereby preventing the mold from separating when concrete is poured into the mold. After the mold is used, a large amount of concrete residue will remain on the mold. When these residues need to be cleaned, the two hydraulic cylinders 19 can be driven, and the two hydraulic cylinders 19 will drive the cleaning components thereon to move to the mold When it moves to the top of the mold, the hydraulic cylinder 18 can be driven again. The hydraulic cylinder 18 drives the slider 16 and the cleaning component on the slider 16 to slide downward into the mold. After adjustment, the motor 22 can be started. The motor 22 will drive the rotating shaft 23. The rotating shaft 23 will then drive the multiple outer tubes 25 to rotate through the belt 28. During the rotation of the multiple outer tubes 25, the water pump 32 can be started synchronously. The water pump 32 will absorb water from the water tank 31 and transport it to the connecting pipe 1 30 through the connecting pipe 2 33. The connecting pipe 1 30 then transports it to the multiple inner tubes 26. The inner tubes 26 then transport it to the multiple outer tubes 25. The multiple outer tubes 25 then rotate and spray water through the multiple circular holes 29 thereon to clean the inside of the mold to prevent the remaining residue from affecting the quality of the next batch of products.

[0039] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0040] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A prefabricated staircase mould, comprising a rectangular frame (1) and a step mould (2) fixedly mounted on the top of the rectangular frame (1), characterized in that: The rectangular frame (1) is provided with a mold mechanism and a cleaning mechanism; The mold mechanism comprises two rectangular plates (3) respectively arranged at the top and bottom of the step mold (2); a plurality of the rectangular plates (3) are respectively fixedly mounted with a rotating shaft (4) on one side close to each other; a side mold (5) is rotatably sleeved on the outer walls of the two rotating shafts (4); two guide rail frames (6) are fixedly mounted in the rectangular frame (1); bottom frames (7) are respectively slidably mounted on the tops of the two guide rail frames (6); a back mold (8) is fixedly mounted on the backs of the two bottom frames (7); and the bottom of the back mold (8) is in contact with the two guide rail frames (6).

2. A prefabricated staircase mold according to claim 1, characterized in that: A fixed block (9) is fixedly mounted on the top of the step mold (2), a rectangular block (10) is rotatably mounted on the fixed block (9), a threaded rod (11) is fixedly mounted on the front of the rectangular block (10), a limit block (12) is fixedly mounted on the top of the back mold (8), the threaded rod (11) is adapted to the limit block (12), a nut (13) is threadedly mounted on the outer wall of the limit block (12), and the nut (13) is in contact with the limit block (12).

3. A prefabricated staircase mold according to claim 2, characterized in that: The cleaning mechanism comprises a bottom plate (14) arranged on the back side of the rectangular frame (1), two sliding rods (15) are fixedly mounted on the top of the bottom plate (14), sliding blocks (16) are slidably mounted on the outer walls of the two sliding rods (15), a top plate (17) is fixedly mounted on the top of the two sliding rods (15), a hydraulic cylinder 1 (18) is fixedly mounted on the top of the bottom plate (14), and the output shaft of the hydraulic cylinder 1 (18) is fixedly connected to the sliding block (16).

4. A prefabricated staircase mold according to claim 3, characterized in that: Two hydraulic cylinders (19) are fixedly mounted on the front of the slider (16); strip plates (20) are fixedly mounted on the output shafts of the two hydraulic cylinders (19); a hoop (21) is threadedly mounted on the bottom of the strip plate (20); a motor (22) is arranged in the hoop (21); a rotating shaft (23) is fixedly mounted on the output shaft of the motor (22); the rotating shaft (23) penetrates the strip plate (20) and is rotatably connected to the strip plate (20).

5. A prefabricated staircase mould according to claim 4, characterized in that: A plurality of circular grooves (24) are formed on the top of the strip plate (20), outer tubes (25) are rotatably mounted in the plurality of circular grooves (24), inner tubes (26) are rotatably mounted in the plurality of outer tubes (25), belt pulleys (27) are fixedly sleeved on the outer walls of the plurality of outer tubes (25) and the second rotating shaft (23), and belts (28) are wound around the outer walls of the plurality of belt pulleys (27).

6. A prefabricated staircase mould according to claim 5, characterized in that: A plurality of circular holes (29) are respectively formed on the outer walls of the plurality of outer tubes (25); a connecting tube 1 (30) is fixedly mounted on the top of the plurality of inner tubes (26); a water tank (31) is fixedly mounted on the top of the bottom plate (14); a water pump (32) is fixedly mounted on the top of the water tank (31); a connecting tube 2 (33) is fixedly mounted on the top of the water pump (32); and a water outlet end of the connecting tube 2 (33) is fixedly connected to the connecting tube 1 (30).

Citation Information

Patent Citations

  • Prefabricated stair mold

    CN217573358U