CN210551995U

CN210551995U - Prefabricated post production mould

Info

Publication number: CN210551995U
Application number: CN201921210687.6U
Authority: CN
Inventors: 张剑; 王雅明; 李融峰; 徐雷; 周涛
Original assignee: Changsha Broad Homes Industrial Group Co Ltd
Current assignee: Changsha Broad Homes Industrial Group Co Ltd
Priority date: 2019-07-29
Filing date: 2019-07-29
Publication date: 2020-05-19
Anticipated expiration: 2029-07-29

Abstract

The utility model discloses a precast column production mould, which comprises a bottom mould, two side moulds, an upper end mould and a lower end mould, wherein the two side moulds are detachably fixed on the bottom mould, and the upper end mould and the lower end mould are detachably fixed on the bottom mould and enclose a space for pouring a precast column with the two side moulds; the upper end die is provided with a first through hole for a longitudinal steel bar of the prefabricated column to pass through; and a second through hole for positioning a grouting sleeve of the prefabricated column is formed in the lower end die. Adopt the utility model discloses a prefabricated post production mould, grout sleeve and longitudinal reinforcement location are accurate, convenient and fast, and component shaping appearance quality is better.

Description

Prefabricated post production mould

Technical Field

The utility model relates to a prefabricated post production mould belongs to prefabricated component production technical field.

Background

In the prior art, the columns are mostly manufactured in a cast-in-place mode, and a factory prefabrication mode is less adopted. The prefabricated concrete column mainly comprises a reinforcement cage, a grouting sleeve and a concrete part, and has the production key points and difficulties that the positioning of the grouting sleeve is accurately controlled, and the parts of longitudinal reinforcements protruding out of the top of the prefabricated column need to be distributed according to design requirements, so that the upper prefabricated column and the lower prefabricated column can be accurately butted during construction; in addition, grouting holes, grout discharge holes and other embedded parts also need to be accurately positioned.

SUMMERY OF THE UTILITY MODEL

In order to improve the production efficiency of prefabricated post, match the design accuracy of prefabricated post, the utility model provides a prefabricated post production mould, concrete technical scheme as follows.

The prefabricated column production mold is characterized by comprising a bottom mold, two side molds, an upper end mold and a lower end mold, wherein the two side molds are detachably fixed on the bottom mold, and the upper end mold and the lower end mold are detachably fixed on the bottom mold and enclose with the two side molds to form a space for pouring a prefabricated column; the upper end die is provided with a first through hole for a longitudinal steel bar of the prefabricated column to pass through; and a second through hole for positioning a grouting sleeve of the prefabricated column is formed in the lower end die.

Furthermore, the upper surface of die block is provided with the magnetic chuck that corresponds to grout sleeve's grout pipe, play thick liquid pipe, the magnetic chuck has the base and is located the projection on the base.

Furthermore, the inner surface of the side mold is provided with a magnetic sucker corresponding to a grouting pipe and a grout outlet pipe of the grouting sleeve, and the magnetic sucker is provided with a base and a convex column positioned on the base.

Furthermore, a third through hole for the grouting pipe and the grout outlet pipe of the grouting sleeve to pass through is formed in the side mold.

Furthermore, detachably is provided with reinforcing bar positioning baffle on the die block, set up the fourth through-hole or the recess that are used for fixing a position the vertical reinforcing bar tip of prefabricated post on the reinforcing bar positioning baffle.

Further, the top of side form is provided with the screw rod fixing base, the screw rod fixing base has U type recess.

Compared with the prior art, the utility model, following beneficial effect has.

1. Grout sleeve location is accurate, and utilizes the elastic component to carry out the shutoff to grout sleeve's tip, can prevent effectively that grout sleeve from blocking when concrete placement, and the elastic component also can be comparatively easy extracts from grout sleeve after the form removal for grout sleeve's installation is accurate no concrete blocking again promptly.

2. Accurate location has been realized through the first through-hole of upper end mould to vertical reinforcing bar, and reinforcing bar positioning baffle has once more fixed a position the tip of vertical reinforcing bar simultaneously, ensures that the setting of vertical reinforcing bar accords with prefabricated post design requirement, and during the prefabricated post butt joint construction from top to bottom, the vertical reinforcing bar of prefabricated post in below need insert the grout sleeve of prefabricated post bottom in the top, and the accurate location of grout sleeve and vertical reinforcing bar is favorable to improving the efficiency of construction.

3. The grouting sleeve and the grout outlet pipe are arranged better, particularly when the magnetic chuck is used, the situation that a third through hole for the grouting sleeve and the grout outlet pipe to penetrate through is formed in the side mold can be avoided, the adaptability of the side mold can be greatly improved, the requirements of different grouting sleeve specifications and interval arrangement can be met, the magnetic chuck can plug the grouting pipe and the grout outlet pipe when the grouting sleeve and the grout outlet pipe are positioned, and the blocking of concrete is avoided.

4. When the bottom of prefabricated post set up central keyway, utilize the blast pipe to be favorable to the air in the grout key groove when being under construction.

Drawings

Fig. 1 is an overall schematic view of the precast column production mold of the present invention;

FIG. 2 is a schematic view of the arrangement of the grouting sleeve and the exhaust pipe;

FIG. 3 is a schematic view of the positioning of the grout sleeve;

FIG. 4 is an enlarged view of area A of FIG. 2 (with portions of the reinforcement cage omitted);

fig. 5 is a schematic view of the positioning of the longitudinal rebar and the upper end form.

In the figure: bottom die 1, side form 2, upper end mould 3, lower extreme mould 4, longitudinal reinforcement 5, grout sleeve 6, grout pipe 61, play thick liquid pipe 62, blast pipe 7, magnetic chuck 8, base 81, projection 82, reinforcing bar locating baffle 9, screw rod fixing base 10, elastic component 11, bolt 12, nut 13, cone elastic block 14, split screw 15, sleeve pre-buried locating component 16.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 to 5, the precast column production mold includes a bottom mold 1, two side molds 2, an upper end mold 3 and a lower end mold 4, wherein the two side molds 2 are detachably fixed on the bottom mold 1, and for example, the side molds 2 may be fixed on the bottom mold 1 by bolts or magnetic pressing members; the upper end die 3 and the lower end die 4 are detachably fixed on the bottom die 1 and located between the two side dies 2, and the upper end die 3, the lower end die 4, the bottom die 1 and the two side dies 2 enclose a space for pouring the prefabricated column; the upper end die 3 is provided with a first through hole (not shown) for the longitudinal steel bar 5 of the prefabricated column to pass through; the lower end die 4 is provided with a second through hole (not shown) for positioning a grouting sleeve 6 of the precast column. Wherein, upper and lower direction when upper and lower position indicates that prefabricated post is in the user state, the utility model discloses a prefabricated post production mould is the horizontal production mould of prefabricated post.

As shown in fig. 2 and 4, when the bottom (bottom in a use state) of the prefabricated column is provided with a central key slot, an exhaust pipe 7 can be arranged, one end of the exhaust pipe 7 is fixed at the center of the inner surface of the lower end die 4 through a magnetic chuck 8, the other end of the exhaust pipe 7 extends out of the side surface of the prefabricated column, the magnetic chuck 8 is provided with a base 81 and a convex column 82 positioned on the base 81, one end of the exhaust pipe 7 is sleeved on the convex column 82, the convex column 82 blocks the exhaust pipe 7 to prevent concrete from entering, and the base 81 is adsorbed on the inner surface of the lower end die 4. The exhaust pipe 7 is fixed through the magnetic chuck 8, is simple and effective to plug and is high in efficiency, the exhaust pipe 7 is led out to the outer side of the lower end die 4 without opening a hole in the lower end die 4, the processing cost of the lower end die 4 is reduced, and the applicability of the exhaust pipe is improved. The exhaust pipe 7 is used for exhausting air in the key groove during the connection grouting construction of the upper prefabricated column and the lower prefabricated column.

Referring to fig. 1, the grouting pipe 61 and the grout outlet pipe 62 of the grouting sleeve 6 must be ensured to be in an unblocked state during subsequent use, a third through hole (not shown) for the grouting pipe 61 and the grout outlet pipe 62 of the grouting sleeve 6 to pass through is formed in the side mold 2, one end of the grouting pipe 61 and the grout outlet pipe 62 is bound and fixed at a grouting opening and a grout discharge opening of the grouting sleeve 6 through a binding wire, and the other end of the grouting pipe 61 and the grout outlet pipe 62 penetrates through the third through hole and is located on the outer side of the side mold 2, so that the grouting pipe 61 and the grout outlet pipe 62 can be ensured not to be blocked by concrete. Those skilled in the art can understand that the magnetic chuck 8 can also be used for fixing and plugging the grouting pipe 61 and the grout outlet pipe 62, so that the third through hole for the grouting pipe and the grout outlet pipe of the grouting sleeve to pass through can be avoided from being formed in the side mold, the adaptability of the side mold 2 can be greatly improved, the requirements of different grouting sleeve specifications and grouting sleeve interval arrangement can be met, and the magnetic chuck 8 can plug the grouting pipe and the grout outlet pipe while positioning the grouting pipe and the grout outlet pipe, so that the blockage of concrete is avoided. In the same way, the upper surface of the bottom mold 1 is also provided with magnetic suckers corresponding to the grouting pipe and the grout outlet pipe of the grouting sleeve, and the magnetic suckers are used for fixing the grouting pipe and the grout outlet pipe of the grouting sleeve close to the bottom mold 1.

Preferably, referring to fig. 1, a steel bar positioning baffle 9 is detachably disposed on the bottom die 1, and a fourth through hole or a groove (not shown) for positioning an end of the longitudinal steel bar 5 of the precast column is formed on the steel bar positioning baffle 9. Adopt reinforcing bar positioning baffle 9 can ensure that setting up of longitudinal reinforcement 5 accords with prefabricated post design requirement, the butt joint of longitudinal reinforcement 5 and grout sleeve of being convenient for.

Referring to fig. 1, a screw fixing seat 10 is provided at the top of the side mold 2, and the screw fixing seat 10 has a U-shaped groove. The two ends of the opposite-pulling screw rod 15 are respectively located on the screw rod fixing seats 10 of the two side molds 2, and the bolt is screwed up to complete the limitation of the distance between the two side molds 2, so that the distance between the two side molds is prevented from changing during concrete pouring. The top of the side die 2 can also be provided with a sleeve embedded positioning component 16, the embedded sleeve is detachably connected with the sleeve embedded positioning component 16, and the embedded sleeve is embedded in a preset position through the sleeve embedded positioning component 16.

The method for producing the precast column by adopting the precast column production mould mainly comprises the following steps:

1) a grouting sleeve 6 is fixedly arranged at the lower end (the lower end in the using state of the prefabricated column) of a longitudinal steel bar 5 of the reinforcement cage;

2) hoisting a reinforcement cage onto the bottom die 1, wherein the reinforcement cage is horizontally placed, and the bottom and two sides of the reinforcement cage are provided with cushion blocks; the cushion block is used for keeping the distance between the reinforcement cage and the bottom die 1 and the side die 2, and the reinforcement cage is coated by the subsequently poured concrete;

3) an elastic piece 11 capable of plugging the inner cavity of the grouting sleeve 6 is placed in the grouting sleeve 6, a bolt 12 penetrates through the elastic piece 11, and the bolt head is located in the grouting sleeve 6; the elastic member may be, but is not limited to, rubber;

4) mounting the lower end die 4 on the bottom die 1, enabling the bolt 12 to penetrate through the second through hole of the lower end die 4, and screwing the nut 13 positioned on the outer side of the lower end die 4 and the bolt 12; positioning and plugging the grouting sleeve 6;

5) installing the upper end die 3 on the bottom die 1, enabling the longitudinal steel bars 5 of the prefabricated column to penetrate through the first through holes of the upper end die 3, sleeving conical elastic blocks 14 on the longitudinal steel bars 5, and plugging the first through holes by the conical elastic blocks 14; the cone elastic block 14 plays a role in positioning the longitudinal steel bar 5, ensures that the longitudinal steel bar is approximately positioned in the center of the first through hole, and also plays a role in preventing slurry leakage;

6) mounting the two side dies 2 on the bottom die 1, and fixing a grouting pipe 61 and a grout outlet pipe 62 of a grouting sleeve 6 close to the side dies 2 on the side dies 2;

7) and the top parts of the two side molds 2 are limited by the oppositely-pulling screw rods 15, and concrete is poured.

Preferably, in the step 6), the grouting pipe and the grout outlet pipe close to the grouting sleeve of the side mold 2 penetrate through the third through hole of the side mold; or the grouting pipe and the grout outlet pipe of the grouting sleeve close to the side die are fixed on the inner surface of the side die through the magnetic chuck, the base 81 of the magnetic chuck 8 is adsorbed on the side die 2, and the grouting pipe and the grout outlet pipe of the grouting sleeve 6 are plugged by the convex column 82 of the magnetic chuck 8.

Preferably, after step 5), there is the further step of: and a steel bar positioning baffle plate 9 is arranged on the bottom die 1, and the end part of the longitudinal steel bar 5 of the prefabricated column is accommodated in a fourth through hole or groove of the steel bar positioning baffle plate 9.

Preferably, step 3) is followed by a step of placing an exhaust pipe 7, wherein one end of the exhaust pipe 7 is fixed to the center of the inner surface of the lower end mold 4 through a magnetic chuck 8, and the other end of the exhaust pipe 7 extends out of the side surface of the prefabricated column.

Preferably, after the step 2), there is further the step of: the grouting pipe and the grout outlet pipe of the grouting sleeve close to the bottom die are fixed on the bottom die through the magnetic chuck, the base of the magnetic chuck is adsorbed on the bottom die, and the grouting pipe and the grout outlet pipe of the grouting sleeve are plugged by the convex column of the magnetic chuck.

The embodiments of the present invention have been described above with reference to the accompanying drawings, and features of the embodiments and examples of the present invention may be combined with each other without conflict. The present invention is not limited to the above-mentioned embodiments, which are only illustrative and not restrictive, and those skilled in the art can make many forms without departing from the spirit and the scope of the present invention, which is encompassed by the present invention.

Claims

1. The prefabricated column production mold is characterized by comprising a bottom mold, two side molds, an upper end mold and a lower end mold, wherein the two side molds are detachably fixed on the bottom mold, and the upper end mold and the lower end mold are detachably fixed on the bottom mold and enclose with the two side molds to form a space for pouring a prefabricated column; the upper end die is provided with a first through hole for a longitudinal steel bar of the prefabricated column to pass through; and a second through hole for positioning a grouting sleeve of the prefabricated column is formed in the lower end die.

2. The precast column production mold according to claim 1, wherein a magnetic chuck corresponding to the grouting pipe and the grout outlet pipe of the grouting sleeve is disposed on the upper surface of the bottom mold, and the magnetic chuck has a base and a convex column on the base.

3. The precast column production mold according to claim 1, wherein the inner surface of the side mold is provided with a magnetic suction cup corresponding to a grouting pipe and a grout outlet pipe of a grouting sleeve, and the magnetic suction cup is provided with a base and a convex column on the base; or the side mold is provided with a third through hole for the grouting pipe and the grout outlet pipe of the grouting sleeve to pass through.

4. The prefabricated column production mold according to claim 1, wherein the bottom mold is detachably provided with a steel bar positioning baffle plate, and the steel bar positioning baffle plate is provided with a fourth through hole or a groove for positioning the end portion of the longitudinal steel bar of the prefabricated column.

5. The precast column production mold according to claim 1, wherein a screw fixing seat is provided at the top of the side mold, and the screw fixing seat has a U-shaped groove.