CN107572917B - Forming and manufacturing process of leak board - Google Patents
Forming and manufacturing process of leak board Download PDFInfo
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- CN107572917B CN107572917B CN201710814140.6A CN201710814140A CN107572917B CN 107572917 B CN107572917 B CN 107572917B CN 201710814140 A CN201710814140 A CN 201710814140A CN 107572917 B CN107572917 B CN 107572917B
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Abstract
The invention discloses a forming and manufacturing process of a leak board, which mainly comprises the following components in parts by weight: 45-50 parts of water; 115 portions of cement and 125 portions of cement; 190 portions of small stones; medium sand, 123 and 137 parts; 95-105 parts of fine sand; the glass fiber accounts for 2.3 to 3.5 weight percent of the cement. The material formula formed by the invention has excellent bonding performance and excellent bonding effect with the reinforcing steel bar, and the finally prepared crack plate has outstanding pressure resistance, can well avoid the problems of cracking or breaking of the plate and the like, and ensures the application strength and the service life of the crack plate.
Description
Technical Field
The invention relates to the technical field of manufacturing of a leaking plate, in particular to a forming and manufacturing process of the leaking plate.
Background
The blowdown structure of pig farm is very important, and traditional pig farm all is directly equipped with the excrement discharging ditch, regularly clears up through the manual work, pushes the soil furrow with simple and easy instrument to excrement and urine, and intensity of labour is big, and the clearance time is long. The economic improvement follows, and the most of the existing sewage discharge structures for the ground in the livestock house in the animal husbandry adopt the leak board to discharge sewage, and excrement discharged in the livestock house by the livestock is discharged to the space under the board by using the leak holes arranged on the leak board, so that the interior of the livestock house is kept dry and clean.
At present, the leakage plates mainly comprise cement leakage plates, plastic leakage plates, cast iron leakage plates and the like, wherein the cement leakage plates have high production efficiency and are durable and widely adopted. The existing cement leakage joint plate is provided with reinforcing steel bars in the plate for reinforcing the strength of the plate. However, due to the limited manufacturing process and the limited pressure resistance of the board, the cement leakage board often has the problem of cracking or even breaking after being used for a period of time or even before being used. In addition, at present, the end part of the reinforcing steel bar in the plate is exposed on (outside) the surface of the cement leaking plate or is in an incompletely coated state, however, the leaking plate is used for a long time in an acid, alkaline and humid environment, the reinforcing steel bar is easy to corrode and rust, the strength of the leaking plate is greatly influenced, and the service life of the leaking plate is shortened.
In view of the above, the present disclosure provides a material formulation for forming a slot board and a slot board forming process.
Disclosure of Invention
The invention aims to provide a material formula for forming a leak board, which enhances the adhesion between a cement board body and a reinforcing steel bar, greatly improves the pressure resistance of the leak board, and avoids the problems of cracking or breaking of the board and the like.
In order to achieve the above purpose, the solution of the invention is:
a material formula for forming a leak board mainly comprises the following components in parts by weight:
45-50 parts of water;
115 portions of cement and 125 portions of cement;
190 portions of small stones;
medium sand, 123 and 137 parts;
95-105 parts of fine sand;
the glass fiber accounts for 2.3 to 3.5 percent of the weight of the cement.
The glass fiber is selected to be 2.5-4 cm long.
The diameter value of the small stones is 5-12 mm, the diameter value of the medium sands is 2-4 mm, and the diameter value of the fine sands is 0.5-1.5 mm.
The material formula is also added with a water reducing agent and an early strength agent.
The material formula for forming the leak board comprises the following components in parts by weight: 48 parts of water; 120 parts of cement; 200 parts of small stones; 130 parts of medium sand; 100 parts of fine sand; 3.6 parts of glass fiber.
The invention also aims to provide a forming and manufacturing process of the leak board, which comprises the following steps:
1) horizontally positioning a positioning rod on the side wall of the groove of the die groove by means of a leak board forming die;
2) correspondingly placing the reinforcing mesh into a die groove, and horizontally and stably suspending and supporting the reinforcing mesh by a positioning rod;
3) placing the prepared material into a die groove, and vibrating the material in the die groove; the material is the formula of the material for forming the leak board;
4) before the vibration is finished, the positioning rod is pulled out of the mold groove, and the material is gradually solidified and molded in the mold groove at the moment;
5) and then, the surface of the product formed in the die groove is pressed, ground and leveled, and finally, the die is demoulded and maintained.
In the steps 1) -2), when the slotted plate with the built-in double-layer cold-poking steel bar mesh is prepared, a next layer of positioning rod is horizontally positioned in the die groove, and the next layer of steel bar mesh is correspondingly placed on the next layer of positioning rod in the die groove; and then horizontally positioning an upper layer of positioning rods in the die groove, and correspondingly placing the upper layer of reinforcing mesh on the upper layer of positioning rods in the die groove.
The time for vibrating the material in the step 3) is controlled to be 2-3 minutes.
In the step 4), the timing of extracting the positioning rod from the mold groove is 5 to 10 seconds before the end of vibration.
After the scheme is adopted, the material formula for forming the leak board and the leak board forming and manufacturing process have the beneficial effects that compared with the prior art: in the forming material formula of the leak board, cement is used as a main binder, small stones, medium sand and fine sand with proper dosage are matched, and glass fiber with proper dosage (2.3-3.5 percent of the weight of the cement) is particularly added, so that the formed material formula has excellent bonding performance and excellent bonding effect with reinforcing steel bars, the finally prepared leak board has outstanding pressure resistance, the problems of cracking or breaking of the board and the like can be well avoided, and the application strength and the service life of the leak board are ensured.
Furthermore, the forming and manufacturing process of the leak board is flexible and novel, the matching of the leak board forming die and the positioning rod structure is innovatively adopted, the reinforcing mesh arranged in the leak board is stably suspended and supported in the die groove by virtue of the positioning rod, a controllable proper gap can be reserved between the reinforcing mesh and the side wall of the die groove, the positioning rod can be flexibly pulled away at a proper time in the forming process, the reinforcing mesh is kept at a horizontal suspended position under the action of a semi-forming material after being pulled away, the finally manufactured leak board is reinforced by virtue of the arrangement of the reinforcing mesh, and the unique material formula of the invention is matched with the excellent bonding and combination of the reinforcing mesh, so that the leak board has very excellent pressure resistance, the reinforcing mesh is completely wrapped in the board, the corrosion of the reinforcing mesh in severe environments such as acid-base humidity and the like is avoided, the long-term use strength of the leak board is ensured, and the service life of the leak board.
Drawings
FIG. 1 is a front view of the novel lost foam forming die;
FIG. 2 is a sectional view in the longitudinal direction of the inventive lost foam forming die;
FIG. 3 is a schematic view of the inner wall of the mold groove of the novel mold for forming a leak board.
Description of the reference symbols
The steel bar net is characterized by comprising a mould groove 1, a groove cavity 10, a groove side wall 11, a convex strip 12, a convex strip hole position 121, a positioning hole group 13, a positioning rod 2, a steel bar net 3, a transverse steel bar 31 and a longitudinal steel bar 32.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The scheme relates to a material formula for forming a leak board, which mainly comprises the following components in parts by weight: 45-50 parts of water; 115 portions of cement and 125 portions of cement; 190 portions of small stones; medium sand, 123 and 137 parts; 95-105 parts of fine sand; the glass fiber accounts for 2.3 to 3.5 weight percent of the cement.
In the forming material formula of the leak board, the glass fiber with proper dosage is originally added on the basis of the combination of cement, small stones, medium sand and fine sand with proper proportion, the formed material formula has excellent bonding performance, the bonding effect with reinforcing steel bars is excellent, the finally prepared leak board has outstanding pressure resistance, and the problems of cracking or breaking of the board and the like can be well avoided. The dosage of the glass fiber is very critical, and too much or too little can greatly influence the matching effect with the reinforcing steel bar and influence the compression resistance of the finally prepared leaking plate. Furthermore, the glass fiber is preferably 2.5-4 cm long, and the glass fiber is preferably 3 cm long in the preferred embodiment, which provides the best bonding effect.
Preferably, the diameter value of the small stones is 5-12 mm, the diameter value of the medium sands is 2-4 mm, and the diameter value of the fine sands is 0.5-1.5 mm.
A water reducing agent and an early strength agent in a proper proportion can be added into the preferable material formula to play an auxiliary role.
Detailed description of the preferred embodiments
The material formula for forming the leak board comprises the following components in parts by weight: 48 parts (Kg) of water; 120 parts (Kg) of cement; 200 parts (Kg) of small stones; medium sand, 130 parts (Kg); fine sand, 100 parts (Kg); glass fiber, 3.6 parts (Kg). In the material preparation, the dry materials (cement, small pebble, medium sand and fine sand) are weighed according to the parts by weight, stirred and mixed well, and then added with water and stirred.
Detailed description of the preferred embodiment
The material formula for forming the leak board comprises the following components in parts by weight: 46 parts of water; 118 parts of cement; 195 parts of small stones; medium sand, 125 parts; 97 parts of fine sand; 3.54 parts of glass fiber. In the material preparation, the dry materials (cement, small pebble, medium sand and fine sand) are weighed according to the parts by weight, stirred and mixed well, and then added with water and stirred.
Detailed description of the preferred embodiment
The material formula for forming the leak board comprises the following components in parts by weight: 50 parts of water; 123 parts of cement; 205 parts of small stones; 134 parts of medium sand; 102 parts of fine sand; 3.69 parts of glass fiber. In the material preparation, the dry materials (cement, small pebble, medium sand and fine sand) are weighed according to the parts by weight, stirred and mixed well, and then added with water and stirred.
The invention relates to a forming and manufacturing process of a leak board, which comprises the following steps:
1) horizontally positioning a positioning rod on the side wall of the groove of the die groove by means of a leak board forming die;
2) correspondingly placing the reinforcing mesh into a die groove, and horizontally and stably suspending and supporting the reinforcing mesh by a positioning rod;
3) placing the prepared material into a die groove, and vibrating the material in the die groove; the material is the formula of the material for forming the leak board;
4) before the vibration is finished, the positioning rod is pulled out of the mold groove, and the material is gradually solidified and molded in the mold groove at the moment; the reinforcing mesh keeps unchanged in position (position when supported by the positioning rod) under the wrapping action of the vibrated material;
5) and then, the surface of the product formed in the die groove is pressed, ground and leveled, and finally, the die is demoulded and maintained.
In the steps 1) -2), when the slotted plate with the built-in double-layer cold-poking steel bar mesh is prepared, a next layer of positioning rod is horizontally positioned in the die groove, and the next layer of steel bar mesh is correspondingly placed on the next layer of positioning rod in the die groove; and then horizontally positioning an upper layer of positioning rods in the die groove, and correspondingly placing the upper layer of reinforcing mesh on the upper layer of positioning rods in the die groove.
In the step 3), the vibration time of the material is preferably controlled to be 2-3 minutes; in step 4), the timing of extracting the positioning rod from the mold groove is 5 to 10 seconds before the end of the vibration. The time control, especially the limit of the drawing time of the positioning rod is very critical, namely, the positioning rod can be simply and reliably drawn away, and meanwhile, the reinforcing mesh can keep the position unchanged after being drawn away.
The concrete structure of the adopted crack plate forming die is shown in figures 1-3, and the crack plate forming die comprises a die groove 1 and a positioning rod 2. The mould tank 1 has a tank cavity 10 enclosed by a tank bottom and tank side walls 11. A plurality of sets of ribs 12 are arranged in parallel in the cavity 10. The projecting strips 12 are configured to correspond to the slits used to form the slatted sheet. The shape and the size of the cavity 10 of the die slot 1 are designed correspondingly according to the size of the required forming slot board. For example, a long strip-shaped leak board (with the size of 1.2m by 2.5m) is formed, two groups of the gap openings are arranged side by side along the length direction, and three groups of the gap openings are arranged side by side along the width direction; the cavity 10 corresponding to the mold slot 1 is a rectangular slot structure with corresponding size, a plurality of groups of raised strips 12 are two groups side by side along the length direction of the mold slot 12, and each group comprises a plurality of strips (three strips corresponding to the specific embodiment) side by side along the width direction of the mold slot 12. Preferably, the raised strips 12 are designed to have a trapezoidal surface structure with a cross section in the width direction being narrow at the top and wide at the bottom, and the slit openings of the formed slit plate correspondingly have a trapezoidal structure, so that the slit openings can play a timely and effective sewage discharge role.
The side wall 11 of the die groove 1 is provided with a positioning hole group 13, and the positioning hole group 13 is used for horizontally positioning the positioning rod 2, so that the positioning rod 2 can be used for suspending and supporting the reinforcing mesh 3 (before forming the slotted plate) for forming the slotted plate. The positioning hole set 13 is designed not only to horizontally position the positioning rod 2, but also to facilitate the pulling-out operation of the positioning rod 2. The positioning hole group 13 may have different designs according to different drawing manners of the positioning rod 2. In a preferred embodiment, the positioning hole group 13 comprises two positioning holes arranged on the two opposite groove side walls 11, and the two positioning holes can both be in a through hole structure so as to allow the positioning rod 2 to be completely arranged in a penetrating way; in a particularly preferred embodiment, one of the two positioning holes is a through hole structure for the positioning rod 2 to extend from the outside of the mold slot 1, and the other positioning hole is provided at the inner side of the slot sidewall 11 and is an outer side closed structure for the end of the extending end of the positioning rod 2 to be inserted and positioned in a concealed manner. In order to facilitate the operation of the positioning rod 2, the positioning rod 2 comprises a rod part and a holding part arranged at the head end of the rod part, and the design of the holding part is beneficial to the drawing and inserting operation of the positioning rod 2.
The reinforcing mesh 3 is a flat mesh structure, and specifically includes transverse reinforcing bars 31 and longitudinal reinforcing bars 32 arranged crosswise, and specifically, preferably, each of the convex strips 12 is surrounded crosswise (see fig. 1). Preferably, in order to facilitate the stable support of the positioning rod 2 to the mesh reinforcement 3, especially the stable support of the mesh reinforcement 3 with a certain length, at least two groups of positioning hole groups 13 are horizontally arranged side by side, and at least two groups of positioning rods 2 are arranged in one-to-one correspondence. Two groups are used as the best, so that a plane principle is determined according to two straight lines, the two groups of supports ensure enough stability, and meanwhile, the design of the positioning rod 2 is reduced as much as possible, so that the number of times of inserting and pulling the positioning rod is correspondingly reduced, and the stable and reliable molding of products is facilitated. Further, the horizontal parallel direction of at least two sets of positioning hole groups 13 is the length direction of mould groove 1, and the setting extending direction of locating lever 2 is the width direction of mould groove 1 promptly, so promote the stability that locating lever 2 supported promptly, also can shorten the length of locating lever 2 as far as possible simultaneously, promote locating lever 2 and take out the simplicity, the reliability of inserting the action.
Preferably, the positioning hole set 13 may be designed to have two layers distributed vertically, and the number of the positioning rods 2 is corresponding to the number of the positioning holes. The two-layer structure is correspondingly supported by the upper and lower layers of reinforcing mesh 3, and a double-layer cold-stirring reinforcing mesh structure is arranged in the corresponding crack plate.
Preferably, a protrusion hole 121 for horizontally penetrating the positioning rod 2 is also formed on the corresponding protrusion 12 according to the extension design of the positioning hole set 13 and the positioning rod 2. So do benefit to and strengthen 2 stability of locating lever, do benefit to the support reinforcing bar net 3, do benefit to drawing of locating lever 2 simultaneously and from the effect, promote locating lever 2 from this and take out the position maintenance effect of back reinforcing bar net 3.
The above description is only a preferred embodiment of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should fall within the scope of the claims of the present invention.
Claims (4)
1. A forming and manufacturing process of a leak board is characterized by comprising the following steps:
1) horizontally positioning a positioning rod on the side wall of the groove of the die groove by means of a leak board forming die;
2) correspondingly placing the reinforcing mesh into a die groove, and horizontally and stably suspending and supporting the reinforcing mesh by a positioning rod;
3) placing the prepared material into a die groove, and vibrating the material in the die groove; the material mainly comprises the following components in parts by weight: 45-50 parts of water; 115 portions of cement and 125 portions of cement; 190 portions of small stones; medium sand, 123 and 137 parts; 95-105 parts of fine sand; glass fiber, which accounts for 2.3 to 3.5 percent of the weight of the cement;
4) before the vibration is finished, the positioning rod is pulled out of the mold groove, and the material is gradually solidified and molded in the mold groove at the moment;
5) and then, the surface of the product formed in the die groove is pressed, ground and leveled, and finally, the die is demoulded and maintained.
2. The process for forming and manufacturing the slotted plate according to claim 1, wherein in the steps 1) -2), when the slotted plate with the built-in double-layer cold-drawn steel bar mesh is manufactured, the next layer of positioning rods is horizontally positioned in the die groove before the next layer of positioning rods is correspondingly placed on the next layer of positioning rods in the die groove; and then horizontally positioning an upper layer of positioning rods in the die groove, and correspondingly placing the upper layer of reinforcing mesh on the upper layer of positioning rods in the die groove.
3. The leak board forming and manufacturing process as claimed in claim 1, wherein the time for vibrating the material in the step 3) is controlled to be 2-3 minutes.
4. The leak board forming and manufacturing process as claimed in claim 1, wherein the timing of extracting the positioning rod from the mold groove in the step 4) is 5 to 10 seconds before the end of the vibration.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814140.6A CN107572917B (en) | 2017-09-09 | 2017-09-09 | Forming and manufacturing process of leak board |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710814140.6A CN107572917B (en) | 2017-09-09 | 2017-09-09 | Forming and manufacturing process of leak board |
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| Publication Number | Publication Date |
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| CN107572917A CN107572917A (en) | 2018-01-12 |
| CN107572917B true CN107572917B (en) | 2020-10-02 |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10113916A (en) * | 1996-10-15 | 1998-05-06 | Sekisui Chem Co Ltd | Daining steel plate for molding device for cement mortar molded product |
| CN2855059Y (en) * | 2005-12-30 | 2007-01-10 | 朱华伦 | Gap floor |
| CN101863652A (en) * | 2009-04-15 | 2010-10-20 | 上海金地电力设备有限公司 | Alkali-resistant glass fiber reinforced concrete of metal gauze |
| CN203646249U (en) * | 2013-12-20 | 2014-06-18 | 中国建筑材料科学研究总院 | Composite cement based slatted floor board |
| CN103975862A (en) * | 2014-04-14 | 2014-08-13 | 牧原食品股份有限公司 | High-strength and light-weight type leak supporting plate for pigsty |
| CN203896971U (en) * | 2014-04-14 | 2014-10-29 | 牧原食品股份有限公司 | Leak supporting plate with accurate positioning and quick construction speed for pigsty |
| CN106182362A (en) * | 2016-08-22 | 2016-12-07 | 中国农业大学 | A kind of die assembly for making concrete slit floor and application thereof |
| CN205928993U (en) * | 2016-08-22 | 2017-02-08 | 中国农业大学 | A mould subassembly for making concrete slit floor |
-
2017
- 2017-09-09 CN CN201710814140.6A patent/CN107572917B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10113916A (en) * | 1996-10-15 | 1998-05-06 | Sekisui Chem Co Ltd | Daining steel plate for molding device for cement mortar molded product |
| CN2855059Y (en) * | 2005-12-30 | 2007-01-10 | 朱华伦 | Gap floor |
| CN101863652A (en) * | 2009-04-15 | 2010-10-20 | 上海金地电力设备有限公司 | Alkali-resistant glass fiber reinforced concrete of metal gauze |
| CN203646249U (en) * | 2013-12-20 | 2014-06-18 | 中国建筑材料科学研究总院 | Composite cement based slatted floor board |
| CN103975862A (en) * | 2014-04-14 | 2014-08-13 | 牧原食品股份有限公司 | High-strength and light-weight type leak supporting plate for pigsty |
| CN203896971U (en) * | 2014-04-14 | 2014-10-29 | 牧原食品股份有限公司 | Leak supporting plate with accurate positioning and quick construction speed for pigsty |
| CN106182362A (en) * | 2016-08-22 | 2016-12-07 | 中国农业大学 | A kind of die assembly for making concrete slit floor and application thereof |
| CN205928993U (en) * | 2016-08-22 | 2017-02-08 | 中国农业大学 | A mould subassembly for making concrete slit floor |
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| CN107572917A (en) | 2018-01-12 |
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