CN115609732A

CN115609732A - Forming die is made to PC precast floor slab

Info

Publication number: CN115609732A
Application number: CN202211096484.5A
Authority: CN
Inventors: 庄海华; 刘源; 邹松霖; 翟彩燕; 刘曲坚; 刘牡丹
Original assignee: Zhonghang Construction Engineering Co ltd
Current assignee: Zhonghang Construction Engineering Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2023-01-17

Abstract

The invention discloses a PC precast floor manufacturing and forming die, which relates to the technical field of PC precast floor manufacturing and comprises the following steps: the long plate, long plate top axis department fixedly connected with forming die, the forming die top is provided with the slide, be provided with the long lath under the long plate, through the stripper plate, the stripper plate that is located the slide below can have certain extrudability to the material under the promotion of spring force, and then make the material can condense more, through the slope scraper blade, because the shaping material that the staff pours into forming die is the non-quantitative and only can be many can not be few, so lead to probably having the condition that shaping material is many, and the slope scraper blade can avoid this kind of shape to appear, through semi-circular strip, can carry out further injecing at the inside slide of concave strip to sliding connection, improve the steadiness of self. Through the limiting plate, can assist the mounting panel to fix the position of motor to increase its stability under operating condition.

Description

Forming die is made to PC prefabricated floor

Technical Field

The invention relates to the field of manufacturing of PC (polycarbonate) precast floor slabs, in particular to a forming die for manufacturing the PC precast floor slabs.

Background

The problem that the prefabricated floor is difficult to take out of a forming die after being formed often appears in the forming die used during manufacturing of the prefabricated floor at present, the prefabricated floor just formed is not in a fragile stage due to insufficient hardness, and the cylindrical rod in the prefabricated floor is large in contact area with the cylindrical rod, so that the prefabricated floor can be split due to large pulling force during demolding, and therefore the forming die for manufacturing the PC prefabricated floor is provided.

Disclosure of Invention

In order to solve the above technical problems, the present invention provides a PC precast floor slab manufacturing and forming mold, including:

the long plate is characterized in that a forming die is fixedly connected to a central shaft at the top of the long plate, a sliding plate is arranged at the top of the forming die, and a long plate is arranged right below the long plate;

two one side fixedly connected with arc strip that rectangular board is close to each other, be provided with the backup pad directly over the arc strip, and backup pad bottom and rectangular board top fixed connection, backup pad top and rectangular board bottom fixed connection, both ends fixedly connected with blunt scute about the rectangular board, blunt scute top fixedly connected with mounting panel, and mounting panel top axis department action arc, mounting panel top axis department fixedly connected with motor, the motor passes through limiting plate and rectangular board fixed connection, and motor output fixedly connected with runner one, the motor surface left and right sides fixedly connected with limiting plate

Further, forming die includes rectangular plate, concave plate, cylinder concave bar, cylinder convex bar, diamond-shaped block, square pole and fixed block, the opening is seted up to the forming die left and right sides, and has seted up square groove bottom, the rectangular plate sets up inside opening one, and rectangular plate bottom and square inslot wall bottom contact each other, rectangular plate fixed connection is at the rectangular plate top, rectangular plate bottom and concave plate top contact each other, concave plate sets up in the forming die left and right sides, and concave plate keeps away from the one end of rectangular plate and has seted up the diamond-shaped groove, two concave plate one side that is close to each other contacts with the rectangular plate each other, and concave plate top and square inslot wall bottom contact each other, cylinder concave bar and cylinder convex bar all set up inside forming die, the one end that cylinder concave bar and cylinder convex bar kept away from each other is connected with concave plate fixed connection, and cylinder concave bar and cylinder convex bar mutual adaptation, diamond-shaped block fixed connection is inside the diamond-shaped groove, and square bar inside is provided with square opening, square pole sliding connection is inside square opening, square pole keeps away from one end and square opening is connected with the fixed block the triangle-shaped block, triangular block shape is connected to the triangular block shape of the triangular plate bottom.

Further, the long plate comprises a threaded rod, a second rotating wheel, a positioning rod and a right-angle block, grooves are formed in the left side and the right side of the long plate, the threaded rod is transversely arranged inside the grooves, one end of the threaded rod is connected with the inner wall of the groove in a rotating mode, the other end of the threaded rod is fixedly connected with the second rotating wheel, the second rotating wheel is connected with the long plate through the positioning rod, belts are sleeved on the outer surfaces of the first rotating wheel and the second rotating wheel, the positioning rod is connected to one side, far away from the threaded rod, of the second rotating wheel in a rotating mode, threaded grooves are formed in the right-angle block, the right-angle block is connected with the threaded rod in a threaded mode through the threaded grooves, the right-angle block is fixedly connected with the concave plate, and the front and back sides of the right-angle block and the front and back sides of the inner wall of the groove are in contact with each other.

Further, the diamond-shaped block includes fixed plate, sliding plate, the two inside lower extremes of opening, the vertical sliding connection of sliding plate is in the inside axis department of fixed plate, and runs through the fixed plate and extend to the outside bottom the sliding plate, the two internal surface tops of the two square openings are fixed connection bottom the sliding plate, triangle fixture block fixed connection is at the sliding plate top, the triangle fixture block is connected with the fixed plate through the elastic plate.

Further, the sliding plate comprises a concave strip, a semicircular strip, limiting blocks and an inclined scraper, wherein a semicircular groove is formed in the left end and the right end of the bottom of the sliding plate, the inner wall of the semicircular groove is in contact with the outer surface of the semicircular strip, the concave strip is arranged on the left side and the right side of the sliding plate, the semicircular strip is fixedly connected to the bottom of the inner surface of the concave strip, the limiting blocks are fixedly connected to the front side and the rear side of the bottom of the concave strip, the bottom of the concave strip is in contact with the top of the rectangular plate, the concave strip is fixedly connected with the forming die through the limiting blocks, the inclined scraper is fixedly connected to the front side and the rear side of the sliding plate, an extruding plate is arranged under the sliding plate, the size of the extruding plate is the same as that of the square notch, the bottom of the extruding plate is in contact with the top of the forming die, the extruding plate and the left side and the right side of the inclined scraper are in contact with the rectangular plate and the rectangular plate, the bottom of the extruding plate and the inclined scraper is at the same height, a square notch is formed in the top of the inner wall of the square notch, a circular opening is fixedly connected with a cylindrical pipe, the inner side of the cylindrical pipe, the upper end and the upper end of the closed pipe are fixedly connected with the top of the closed pipe, and the closed pipe.

The invention has the beneficial effects.

According to the invention, the extrusion plate positioned below the sliding plate can extrude materials to a certain extent under the pushing action of the elastic force of the spring, so that the materials can be more condensed, and the inclined scraper can avoid the appearance of the shape because the molding materials injected into the molding die by workers are not quantitative and are only more or less, so that the molding materials are possibly excessive.

According to the invention, through the long plate, after a material is molded in the molding die, a worker slowly slides the sliding plate out of the top of the molding die, the motor is started, the rotating wheel drives the rotating wheel II to rotate through the belt for a while, then, the threaded rod starts to rotate under the influence of the threaded rod, the right-angle block drives the concave plate to gradually move outwards due to the threaded groove, at the moment, the concave plate drives the cylindrical convex rod and the cylindrical concave rod to gradually separate from the molding die, and when the concave plate moves to a limit distance, the concave plate can separate for the first time, so that the cylindrical convex rod and the cylindrical concave rod stored in the molded prefabricated floor slab can be smoothly drawn out from the concave plate, the prefabricated floor slab is prevented from having insufficient self hardness due to just molding, the contact area between the cylindrical convex rod and the cylindrical concave rod and the prefabricated floor slab is large, the occurrence of splitting in the separation process is avoided, the positioning rod plays a role in the rotating of the rotating wheel II position, the alignment support of the threaded rod is realized, and the stability of the threaded rod in a certain degree is increased.

According to the invention, through the diamond blocks, a worker pulls the inverted triangle downwards to clamp the triangular clamping block in the triangular bayonet, the inverted triangle can be separated from the inverted triangle under the influence of the sliding plate, the diamond blocks which are limited by the triangular clamping block are lost, the right-angle plate and the rectangular plate can be driven to freely move, the effect of secondary separation is achieved, the position of the prefabricated floor slab can be continuously limited through the right-angle plate after the concave plate is separated from the forming die, so that the cylindrical convex rod and the cylindrical concave rod can be smoothly drawn out of the forming die, the movement of the straight plate can be limited through the diamond blocks through the square rods, the straight plate can only slide left and right, the effect of limiting the position of the straight plate is achieved, through the elastic plate, the triangular clamping block can be maintained by the elasticity of the elastic plate and can be always clamped in the triangular bayonet without the influence of external force, and the effect of fixing the position of the straight block is achieved.

The invention can assist the support plate to fix the position of the motor and increase the stability of the motor in a working state through the limit plate, can well support the long plate through the support plate, and can maximize the stress strength of the long plate by means of the characteristic of uniform stress of the long plate.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall structure of the strip board of the present invention;

FIG. 3 is a schematic view of the overall structure of the forming mold of the present invention;

FIG. 4 is a schematic view of the overall structure of the rectangular plate of the present invention;

FIG. 5 is a schematic view of the overall structure of the long plate of the present invention;

FIG. 6 is a schematic view of the overall structure of the diamond-shaped blocks of the present invention;

FIG. 7 is a schematic view of the overall construction of the skateboard of the present invention;

FIG. 8 is a schematic view showing the internal structure of the skateboard of the present invention.

1. A long plate; 11. a threaded rod; 12. a second rotating wheel; 13. positioning a rod; 14. a right-angle block; 2. forming a mold; 21. a right-angle plate; 22. a rectangular plate; 23. a concave plate; 24. a cylindrical concave rod; 25. a cylindrical nose bar; 26. diamond-shaped blocks; 261. a fixing plate; 262. a sliding plate; 263. a triangular plate is inverted; 264. a triangular clamping block; 265. an elastic plate; 27. a square rod; 28. a fixed block; 3. a slide plate; 31. concave strips; 32. a semicircular strip; 33. a limiting block; 34. an inclined scraper; 35. a pressing plate; 36. a cylindrical tube; 37. a closing plate; 4. a long slat; 41. an arc-shaped strip; 42. a support plate; 43. blunt angle plate; 44. a mounting plate; 45. a motor; 46. and a limiting plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Example 1

Referring to fig. 1-6, the present invention is a PC precast floor slab manufacturing and forming mold, including:

the long plate comprises a long plate 1, wherein a forming die 2 is fixedly connected to the middle shaft of the top of the long plate 1, a sliding plate 3 is arranged at the top of the forming die 2, and a long plate 4 is arranged right below the long plate 1;

the arc-shaped strips 41 are fixedly connected to one side, close to each other, of each of the two strip plates 4, a supporting plate 42 is arranged right above each arc-shaped strip 41, the bottoms of the supporting plates 42 are fixedly connected with the tops of the strip plates 4, blunt angle plates 43 are fixedly connected to the left end and the right end of each strip plate 4, a supporting plate 44 is fixedly connected to the top of each obtuse angle plate 43, a middle shaft at the top of each supporting plate 44 is arc-shaped, a motor 45 is fixedly connected to the middle shaft at the top of each supporting plate 44, limiting plates 46 are fixedly connected to the left side and the right side of the outer surface of each motor 45, and the positions of the motors 45 can be fixed by the supporting plates 44 in an auxiliary mode through the limiting plates 46, and the stability of the motors 45 in a working state is improved;

motor 45 passes through limiting plate 46 and long board 1 fixed connection, and motor 45 output fixedly connected with runner one, and backup pad 42 top and long board 1 bottom fixed connection through backup pad 42, can carry out fabulous support to long board 1 to rely on its characteristic that can evenly atress, can maximize increase the stress strength of long board 1.

The forming die 2 comprises right-angle plates 21, rectangular plates 22, concave plates 23, cylindrical concave rods 24, cylindrical convex rods 25, diamond blocks 26, square rods 27 and fixing blocks 28, the left side and the right side of the forming die 2 are provided with a first opening, the bottom of the first opening is provided with a square groove, the right-angle plates 21 are arranged in the first opening, the bottoms of the right-angle plates 21 and the bottoms of the inner walls of the square grooves are in mutual contact, the positions of the prefabricated floor slabs can be continuously limited after the concave plates 23 are separated from the forming die 2 through the right-angle plates 21, so that the cylindrical convex rods 24 and the cylindrical concave rods 25 can be smoothly drawn out of the right-angle plates, the rectangular plates 22 are fixedly connected to the tops of the right-angle plates 21, the concave plates 23 are arranged on the left side and the right side of the forming die 2, a diamond-shaped groove is formed in one end, away from the right-angle plate 21, of the concave plate 23, the cylindrical concave rod 24 and the cylindrical convex rod 25 are arranged inside the forming die 2, the diamond-shaped block 26 is fixedly connected inside the diamond-shaped groove, a square through hole is formed inside the diamond-shaped block 26, the square rod 27 is slidably connected inside the square through hole, the fixing blocks 28 are fixedly connected to the left side and the right side of the top of the long plate 1, and the cylindrical convex rod 24 and the cylindrical concave rod 25 which are stored in the formed precast floor slab can be smoothly drawn out through the concave plate 23 for the first time, so that the precast floor slab is prevented from being split due to insufficient hardness of the precast floor slab due to rigid forming, and the contact area between the cylindrical convex rod 24 and the cylindrical concave rod 25 and the precast floor slab is large, so that the split condition is avoided in the process of the splitting;

one end of the square rod 27 far away from the square through opening is fixedly connected with the fixing block 28, and through the square rod 27, the movement of the straight angle plate 21 can be limited through the diamond blocks 26, so that the straight angle plate can only slide left and right, and the effect of limiting the position of the straight angle plate 21 is achieved.

The side, close to each other, of each of the two concave plates 23 is in contact with the right-angle plate 21, the top of each concave plate 23 is in contact with the bottom of the inner wall of the square groove, and the bottom of each rectangular plate 22 is in contact with the top of each concave plate 23;

one end of the cylindrical concave rod 24 and one end of the cylindrical convex rod 25, which are far away from each other, are fixedly connected with the concave plate 23, and the cylindrical concave rod 24 and the cylindrical convex rod 25 are matched with each other.

Long plate 1 includes threaded rod 11, two runner 12, locating lever 13 and right angle piece 14, the long plate 1 left and right sides is seted up flutedly, threaded rod 11 transversely sets up inside the recess, threaded rod 11 one end rotates with the recess inner wall to be connected, and the threaded rod 11 other end and two 12 fixed connection of runner, locating lever 13 rotates to be connected in two 12 one sides of keeping away from threaded rod 11 of runner, the inside thread groove of having seted up of right angle piece 14, and right angle piece 14 passes through thread groove and 11 threaded connection of threaded rod, through long plate 1, after the material is at forming die 2 in, the staff slowly with slide 3 from forming die 2 top roll-off back, starter motor 45, the runner drives two 12 of runner through the belt and rotates for a while, threaded rod 11 receives its influence to begin to rotate afterwards, right angle piece 14 can drive concave plate 23 because of the thread groove and move to the outside gradually, concave plate 23 can drive cylinder convex rod 24 and cylinder concave rod 25 and break away from forming die 2 gradually this moment, can after concave plate 23 moves to the extreme distance.

Both sides contact each other around the right angle piece 14 with recess inner wall both sides around, and runner two 12 is connected with long board 1 through locating lever 13, has reached the effect of going on to runner two 12 positions, has realized counterpointing the support to threaded rod 11, has increased the stability when threaded rod 11 rotates to a certain extent, and runner one and two 12 surfaces of runner have cup jointed the belt, right angle piece 14 and concave plate 23 fixed connection.

The diamond 26 comprises a fixed plate 261, a sliding plate 262, an inverted triangle plate 263, a triangular clamping block 264 and an elastic plate 265, the bottom of a square through opening is provided with a second opening, the fixed plate 261 is fixedly connected with the lower end of the inner part of the second opening, the sliding plate 262 is vertically and slidably connected with the middle shaft of the fixed plate 261, the bottom of the sliding plate 262 penetrates through the fixed plate 261 and extends to the outside, the top of the inner surface of the inverted triangle plate 263 is fixedly connected with the bottom of the sliding plate 262, the triangular clamping block 264 is fixedly connected with the top of the sliding plate 262, the triangular clamping block 264 is connected with the fixed plate 261 through the elastic plate 265, the triangular clamping block 264 is maintained by the elasticity of the elastic plate 265 and can be clamped in the triangular clamping opening under the influence of no external force, so that the position of the right-angle block 14 is fixed, and through the diamond 26, a worker can pull the triangular clamping block 264 clamped in the triangular clamping opening downwards to be separated from the sliding plate 262 under the influence of the elastic plate 264, the diamond 26 which is not limited by the triangular clamping block, the right-angle plate 21 and the rectangular plate 22 can be driven to move freely, and the effect of second separation is achieved;

the bottom of the square rod 27 is provided with a triangular bayonet, and the shape and size of the triangular clamping block 264 are matched with the shape and size of the triangular bayonet.

Example 2

The distinguishing feature from the one of example 1,

referring to fig. 7-8, the present invention is a forming mold for manufacturing PC prefabricated floor slab, including:

the sliding plate 3 comprises a concave strip 31, a semicircular strip 32, limiting blocks 33 and inclined scrapers 34, wherein the concave strip 31 is arranged on the left side and the right side of the sliding plate 3, the semicircular strip 32 is fixedly connected to the bottom of the inner surface of the concave strip 31, the limiting blocks 33 are fixedly connected to the front side and the rear side of the bottom of the concave strip 31, and the inclined scrapers 34 are fixedly connected to the front side and the rear side of the sliding plate 3.

Concave type strip 31 bottom and rectangular shaped plate 22 top mutual contact, and concave type strip 31 is through restriction piece 33 and forming die 2 fixed connection, and the semicircle trough has been seted up at both ends about 3 bottoms of slide, and semicircle inslot wall and semicircle strip 32 surface mutual contact can carry out further injecing at the inside slide 3 of concave type strip 31 to sliding connection through semicircle strip 32, improve the steadiness of self.

An extrusion plate 35 is arranged right below the sliding plate 3, a square notch is formed in the bottom of the sliding plate 3, a round opening is formed in the top of the inner wall of the square notch, a cylindrical pipe 36 is fixedly connected inside the round opening, and a closed plate 37 is fixedly mounted on the top of the cylindrical pipe 36;

the shape size of stripper plate 35 is the same with square notch's shape size, and stripper plate 35 bottom and 2 tops of forming die are in contact with each other, and the stripper plate 35 and the slope scraper blade 34 left and right sides and right angle board 21 and rectangular board 22 are in contact with each other, through stripper plate 35, and the stripper plate 35 that is located slide 3 below can have certain extrudability to the material under spring force's promotion, and then makes the material can condense more.

The bottom of the extrusion plate 35 and the bottom of the inclined scraper 34 are at the same height, and through the inclined scraper 34, because the molding material injected into the molding die 2 by the operator is variable and can be more or less, the situation that the molding material is more likely to occur is caused, and the inclined scraper 34 can avoid the occurrence of the shape, and the inner side of the cylindrical tube 36 is provided with a spring, and the upper end and the lower end of the spring are respectively fixedly connected with the top of the extrusion plate 35 and the bottom of the closed plate 37.

One specific application of this embodiment is: sliding the sliding plate 3 out of the concave strip 31, and then the top of the forming mould 2 is exposed outside, then injecting the material needed by the precast floor slab forming into the forming mould 2, after the material is injected, the sliding plate 3 is slid again to cover the top of the forming mold 2, the inclined scraper 34 will scrape some excess material in the forming mold 2, the pressing plate 35 under the sliding plate 3 will have a certain extrusion property to the material under the push of the spring force, and then make the material condense more, after the material is shaped in forming die 2, the staff slowly with slide 3 from forming die 2 top roll-off after, start motor 45, the runner drives runner two 12 through the belt for a while and rotates, threaded rod 11 is influenced by it and begins to rotate afterwards, right angle piece 14 can drive concave plate 23 because of the thread groove and move to the outside gradually, concave plate 23 can drive cylindrical convex rod 24 and cylindrical concave rod 25 and break away from forming die 2 gradually at this moment, can after concave plate 23 moves to the limit distance, realize breaking away from for the first time, the cylindrical convex rods 24 and the cylindrical concave rods 25 stored in the formed precast floor slab can be smoothly drawn out of the precast floor slab, the contact area between the cylindrical convex rods 24 and the precast floor slab is larger because the precast floor slab is just formed and the self hardness is not enough, so as to avoid the occurrence of splitting in the process of separation, at this time, when the second separation work is performed, the worker pulls the inverted triangle plate 263 downwards to pull the triangular clamping block 264 clamped in the triangular clamping opening, and the triangular clamping block 264 is separated from the inverted triangle plate 263 under the influence of the sliding plate 262, the diamond block 26 limited by the triangular clamping block 264 is lost, the rectangular plate 21 and the rectangular plate 22 can be driven to move freely, so that the second separation effect is achieved, and then the formed precast floor slab can be taken out of the forming die 2 by a worker.

It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by one of ordinary skill in the art and related arts based on the embodiments of the present invention without any creative effort, shall fall within the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are generally practiced in the art without specific recitation or limitation.

Claims

1. A forming die is made to PC precast floor slab which characterized in that includes:

the device comprises a long plate (1), wherein a forming die (2) is fixedly connected to a middle shaft at the top of the long plate (1), a sliding plate (3) is arranged at the top of the forming die (2), and a long strip plate (4) is arranged right below the long plate (1);

arc-shaped strips (41) are fixedly connected to one side, close to each other, of each of the two strip plates (4), a supporting plate (42) is arranged right above each arc-shaped strip (41), the bottom of each supporting plate (42) is fixedly connected with the top of each strip plate (4), blunt angle plates (43) are fixedly connected to the left end and the right end of each strip plate (4), support plates (44) are fixedly connected to the tops of the blunt angle plates (43), the middle shafts at the tops of the support plates (44) are arc-shaped, motors (45) are fixedly connected to the middle shafts at the tops of the support plates (44), and limiting plates (46) are fixedly connected to the left side and the right side of the outer surfaces of the motors (45);

motor (45) pass through limiting plate (46) and long board (1) fixed connection, and motor (45) output end fixedly connected with runner one, backup pad (42) top and long board (1) bottom fixed connection.

2. The forming mold for manufacturing the PC precast floor slab according to the claim 1, wherein: the forming die (2) comprises a right-angle plate (21), a rectangular plate (22), a concave plate (23), a cylindrical concave rod (24), a cylindrical convex rod (25), a diamond-shaped block (26), a square rod (27) and a fixing block (28), wherein the left side and the right side of the forming die (2) are provided with a first opening, the bottom of the first opening is provided with a square groove, the right-angle plate (21) is arranged inside the first opening, the bottom of the right-angle plate (21) is in contact with the bottom of the inner wall of the square groove, the rectangular plate (22) is fixedly connected to the top of the right-angle plate (21), the concave plate (23) is arranged on the left side and the right side of the forming die (2), one end, far away from the right-angle plate (21), of the concave plate (23) is provided with a diamond-shaped groove, the cylindrical concave rod (24) and the cylindrical convex rod (25) are both arranged inside the forming die (2), the diamond-shaped block (26) is fixedly connected to the inside of the diamond-shaped groove, the square through hole (26) is internally provided with a square through hole, the square through hole (27) is slidably connected to the top of the rectangular plate (1);

one end of the square rod (27) far away from the square through hole is fixedly connected with the fixing block (28).

3. The PC precast floor slab manufacturing and forming die of claim 2, wherein: one side, close to each other, of each of the two concave plates (23) is in contact with the right-angle plate (21), the top of each concave plate (23) is in contact with the bottom of the inner wall of the square groove, and the bottom of each rectangular plate (22) is in contact with the top of each concave plate (23);

one end, far away from each other, of the cylindrical concave rod (24) and the cylindrical convex rod (25) is fixedly connected with the concave plate (23), and the cylindrical concave rod (24) and the cylindrical convex rod (25) are matched with each other.

4. The forming mold for manufacturing the PC precast floor slab according to the claim 1, wherein: long board (1) includes threaded rod (11), two (12) of runner, locating lever (13) and right angle piece (14), the recess is seted up to the long board (1) left and right sides, threaded rod (11) transversely set up inside the recess, threaded rod (11) one end is rotated with the recess inner wall and is connected, and the threaded rod (11) other end and two (12) fixed connection of runner, locating lever (13) are rotated and are connected the one side of keeping away from threaded rod (11) in two (12) of runner, the inside thread groove that has seted up of right angle piece (14), and right angle piece (14) are through thread groove and threaded rod (11) threaded connection.

5. The PC precast floor slab manufacturing and forming die of claim 4, wherein: the front side and the rear side of the right-angle block (14) are in contact with the front side and the rear side of the inner wall of the groove, the second rotating wheel (12) is connected with the long plate (1) through a positioning rod (13), belts are sleeved on the outer surfaces of the first rotating wheel and the second rotating wheel (12), and the right-angle block (14) is fixedly connected with the concave plate (23).

6. The PC precast floor slab manufacturing and forming die of claim 3, wherein: the diamond block (26) comprises a fixed plate (261), a sliding plate (262), an inverted triangular plate (263), a triangular clamping block (264) and an elastic plate (265), wherein a second opening is formed in the bottom of the square through opening, the fixed plate (261) is fixedly connected to the lower end of the second opening, the sliding plate (262) is vertically and slidably connected to a middle shaft in the fixed plate (261), the bottom of the sliding plate (262) penetrates through the fixed plate (261) and extends to the outside, the top of the inner surface of the inverted triangular plate (263) is fixedly connected with the bottom of the sliding plate (262), the triangular clamping block (264) is fixedly connected to the top of the sliding plate (262), and the triangular clamping block (264) is connected with the fixed plate (261) through the elastic plate (265);

the bottom of the square rod (27) is provided with a triangular bayonet, and the shape and size of the triangular clamping block (264) are matched with those of the triangular bayonet.

7. The forming mold for manufacturing the PC precast floor slab according to the claim 1, wherein: slide (3) are including concave type strip (31), semi-circular strip (32), restriction piece (33) and slope scraper blade (34), concave type strip (31) set up in slide (3) left and right sides, semi-circular strip (32) fixed connection is in concave type strip (31) internal surface bottom, restriction piece (33) fixed connection is both sides around concave type strip (31) bottom, both sides around slope scraper blade (34) fixed connection is both sides around slide (3).

8. The PC precast floor slab manufacturing and forming die of claim 7, wherein: concave type strip (31) bottom and rectangular board (22) top are contacted each other, and concave type strip (31) pass through restriction piece (33) and forming die (2) fixed connection, the semicircle groove has been seted up at both ends about slide (3) bottom, semicircle inslot wall and semicircle strip (32) surface are contacted each other.

9. The PC precast floor slab manufacturing and forming die of claim 8, wherein: an extrusion plate (35) is arranged right below the sliding plate (3), a square notch is formed in the bottom of the sliding plate (3), a round opening is formed in the top of the inner wall of the square notch, a cylindrical pipe (36) is fixedly connected to the inside of the round opening, and a closing plate (37) is fixedly mounted at the top of the cylindrical pipe (36);

the shape and size of the extrusion plate (35) are the same as those of the square notch, the bottom of the extrusion plate (35) is in contact with the top of the forming die (2), and the left side and the right side of the extrusion plate (35) and the left side and the right side of the inclined scraper blade (34) are in contact with the right-angle plate (21) and the rectangular plate (22).

10. The PC precast floor slab manufacturing and forming die of claim 9, wherein: the bottom of the extrusion plate (35) and the bottom of the inclined scraper (34) are at the same height, a spring is arranged on the inner side of the cylindrical tube (36), and the upper end and the lower end of the spring are fixedly connected with the top of the extrusion plate (35) and the bottom of the closed plate (37) respectively.