阅读说明：本技术 一种一体成型通孔的梯级模具 (Step die of integrated into one piece through-hole ) 是由 周希旺 钟兴涛 朱冠帷 于 2019-12-03 设计创作，主要内容包括：本发明公开了一种一体成型通孔的梯级模具,包括定模和动模；所述定模的中部开设有主模腔,所述主模腔内设置有用于成型梯级踏板和踢板的主模仁,所述定模上还设置有流道孔,所述流道孔位于所述主模仁的一侧；所述动模上设置有主流道,所述主流道可伸至所述流道孔内；所述动模的中部开设有辅模腔,所述主流道与所述辅模腔连通,所述辅模腔内设置有多个用于在梯级上成型通孔的型柱,多个所述型柱竖直设置,且多个所述型柱均可抵接于所述主模仁上。本发明通过在动模的辅模腔内设置多个竖直的型柱,可以直接在铸造梯级时成型通孔,通孔成型效果好,避免在梯级成型后进行二次通孔加工,不影响梯级的结构强度,提高了生产效率。(The invention discloses a step die for integrally forming through holes, which comprises a fixed die and a movable die; the middle part of the fixed die is provided with a main die cavity, a main die core for molding the step pedal and the kickplate is arranged in the main die cavity, the fixed die is also provided with a runner hole, and the runner hole is positioned at one side of the main die core; a main runner is arranged on the movable mold and can extend into the runner hole; the auxiliary die cavity is formed in the middle of the movable die, the main runner is communicated with the auxiliary die cavity, a plurality of molding columns used for forming through holes in the steps are arranged in the auxiliary die cavity, the molding columns are vertically arranged, and the molding columns can abut against the main die core. According to the invention, the plurality of vertical profile columns are arranged in the auxiliary die cavity of the movable die, so that the through holes can be directly formed during step casting, the through hole forming effect is good, secondary through hole processing after step forming is avoided, the structural strength of the step is not influenced, and the production efficiency is improved.)

1. The utility model provides a step mould of integrated into one piece through-hole which characterized in that: comprises a fixed die and a movable die;

the middle part of the fixed die is provided with a main die cavity, a main die core for molding the step pedal and the kickplate is arranged in the main die cavity, the fixed die is also provided with a runner hole, and the runner hole is positioned at one side of the main die core;

a main runner is arranged on the movable mold and can extend into the runner hole; the auxiliary die cavity is formed in the middle of the movable die, the main runner is communicated with the auxiliary die cavity, a plurality of molding columns used for forming through holes in the steps are arranged in the auxiliary die cavity, the molding columns are vertically arranged, and the molding columns can abut against the main die core.

2. The step mold of an integrally formed through hole according to claim 1, wherein: the fixed die is provided with symmetrical positioning blocks which are respectively positioned at two sides of the runner hole;

the movable mold is provided with symmetrical positioning grooves which are respectively positioned at two sides of the main flow passage.

3. The step mold of an integrally formed through hole according to claim 2, wherein: the locating piece with the constant head tank is the rectangle.

4. The step mold of an integrally formed through hole according to claim 1, wherein: the side of cover half is provided with a plurality of first solid fixed rings, and is a plurality of first solid fixed ring set up relatively in the both sides of cover half.

5. The step mold of an integrally formed through hole according to claim 4, wherein: the side of movable mould is provided with the solid fixed ring of a plurality of second, and is a plurality of the solid fixed ring of second set up relatively in the both sides of movable mould.

6. The step mold of an integrally formed through hole according to claim 1, wherein: the plurality of first type columns comprise a plurality of first type columns used for forming through holes at the bending positions of the step pedal and the kickplate, and the plurality of first type columns are arranged in the middle of the auxiliary die cavity.

7. The stair mold of claim 6 wherein: the plurality of the molding columns comprise a plurality of second molding columns used for forming through holes on the step tread, and the plurality of the second molding columns are positioned on one side of the plurality of the first molding columns.

8. The stair mold of one-piece via according to any one of claims 1 to 7, wherein: the step die with the integrally formed through holes further comprises a plurality of side die mechanisms;

it is a plurality of side form mechanism follows in proper order the periphery of movable mould sets up, and is a plurality of side form mechanism all includes pushing away jar and side form, push away the piston rod of jar with the side form is connected, it can promote to push away the jar the side form with main mould benevolence, supplementary die cavity compound die.

9. The stair mold of claim 8 wherein: a plurality of side form mechanism still all includes the die carrier, the die carrier is fixed in on the side of movable mould, the cylinder body of propelling movement jar with die carrier fixed connection, its piston rod pass the die carrier with the side form is connected.

10. The through-hole step mold of claim 9, wherein: the side die mechanisms comprise a first side die mechanism and two second side die mechanisms, the first side die mechanism is located between the two second side die mechanisms, and the first side die mechanism, the second side die mechanism and the second side die mechanism form a C shape in a surrounding mode.

Technical Field

The invention relates to the technical field of elevator step production, in particular to a step die with integrally formed through holes.

Background

An elevator step is the basic structural component of an escalator. Elevator steps are typically cast using large molds.

In order to increase the drainage effect of many elevator steps, through holes need to be formed at the connection positions of step footplates, footplates and kickplates. However, none of the existing step molds can integrally form the through hole, the through hole needs to be secondarily machined by a punching tool, secondary punching may affect the structural strength of the original step, and production efficiency is reduced.

Disclosure of Invention

Therefore, the invention aims to provide the step die for integrally forming the through hole, which has the advantages of simple structure, good through hole forming effect and high production efficiency.

The invention relates to a step die for integrally forming through holes, which comprises a fixed die and a movable die;

the middle part of the fixed die is provided with a main die cavity, a main die core for molding the step pedal and the kickplate is arranged in the main die cavity, the fixed die is also provided with a runner hole, and the runner hole is positioned at one side of the main die core;

a main runner is arranged on the movable mold and can extend into the runner hole; the auxiliary die cavity is formed in the middle of the movable die, the main runner is communicated with the auxiliary die cavity, a plurality of molding columns used for forming through holes in the steps are arranged in the auxiliary die cavity, the molding columns are vertically arranged, and the molding columns can abut against the main die core.

According to the step die for integrally forming the through holes, the plurality of vertical type columns are arranged in the auxiliary die cavity of the movable die, so that the through holes can be directly formed during step casting, the through hole forming effect is good, secondary through hole processing after step forming is avoided, the structural strength of the steps is not influenced, and the production efficiency is improved.

Further preferably, symmetrical positioning blocks are arranged on the fixed die and are respectively positioned on two sides of the runner hole;

the movable mold is provided with symmetrical positioning grooves which are respectively positioned at two sides of the main flow passage.

The positioning block and the positioning groove are arranged, so that the fixed die and the movable die can be conveniently assembled, the die assembling precision is improved, and the casting precision is improved.

Further preferably, the positioning block and the positioning groove are both rectangular. The rectangle has edges and corners, and the mutual screens of edges and corners can make the compound die more accurate.

Further preferably, a plurality of first fixing rings are arranged on the side edge of the fixed die, and the first fixing rings are arranged on two sides of the fixed die relatively. The first fixing ring is arranged in a plurality of positions, so that the fixed die can be conveniently carried and transferred.

Further preferably, a plurality of second fixing rings are arranged on the side edge of the movable mold, and the second fixing rings are oppositely arranged on two sides of the movable mold. The second fixing rings are arranged in a plurality, so that the movable die can be conveniently carried and transferred.

Further preferably, the plurality of the shaped pillars include a plurality of first shaped pillars for forming through holes at the bent positions of the step tread and the kick plate, and the plurality of the first shaped pillars are arranged in the middle of the auxiliary mold cavity. The first type column can be utilized to form through holes at the bending parts of the step tread and the step plate, so that secondary through hole processing is avoided, and the production efficiency is improved.

It is further preferred that the plurality of pillars include a plurality of second pillars for forming through holes in the tread plate, the plurality of second pillars being located at one side of the plurality of first pillars. The second type column can be utilized to form a through hole on the step pedal, so that secondary through hole processing is avoided, and the production efficiency is improved.

Further preferably, the step mold of the integrally formed through hole further comprises a plurality of side mold mechanisms;

it is a plurality of side form mechanism follows in proper order the periphery of movable mould sets up, and is a plurality of side form mechanism all includes pushing away jar and side form, push away the piston rod of jar with the side form is connected, it can promote to push away the jar the side form with main mould benevolence, supplementary die cavity compound die.

The push cylinder can automatically close the side die with the main die core and the auxiliary die cavity, so that the automatic casting level is improved, manual operation is reduced, and the production efficiency is improved.

Further preferably, a plurality of side form mechanism still all includes the die carrier, the die carrier is fixed in on the side of movable mould, the cylinder body of propelling movement jar with die carrier fixed connection, its piston rod pass the die carrier with the side form is connected. The die carrier is arranged to facilitate the installation and fixation of the cylinder body of the pushing cylinder.

Further preferably, the plurality of side mold mechanisms include a first side mold mechanism and two second side mold mechanisms, the first side mold mechanism is located between the two second side mold mechanisms, and the first side mold mechanism, the second side mold mechanism and the second side mold mechanism form a C shape in a surrounding mode. The first side die mechanism and the second side die mechanism can be respectively assembled from three directions, and the side die of the first side die mechanism can be used for forming the side edge of the step tread.

Compared with the prior art, the stair die with the integrally formed through holes has the advantages that the through holes can be directly formed during step casting by arranging the plurality of vertical section columns in the auxiliary die cavity of the movable die, the through hole forming effect is good, secondary through hole processing after step forming is avoided, the structural strength of the steps is not influenced, and the production efficiency is improved. The step die for integrally forming the through hole has the characteristics of simple structure, good through hole forming effect, high production efficiency and the like.

For a better understanding and practice, the invention is described in detail below with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic perspective view of a preferred structure of the step mold for integrally forming through holes according to the present invention.

FIG. 2 is a front view of a preferred construction of the stationary mold.

FIG. 3 is a schematic perspective view of a preferred construction of the stationary mold.

FIG. 4 is a perspective view of a preferred construction of the movable mold.

FIG. 5 is a schematic view showing the effect of the molding step of the preferred structure of the movable mold.

Fig. 6 is a perspective view of a preferred construction of a plurality of sideforms.

Fig. 7 is a front view of a preferred construction of a plurality of sideforms.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

Please refer to fig. 1-5. Fig. 1 is a schematic perspective view of a preferred structure of the step mold for integrally forming through holes according to the present invention. FIG. 2 is a front view of a preferred construction of the stationary mold. FIG. 3 is a schematic perspective view of a preferred construction of the stationary mold. FIG. 4 is a perspective view of a preferred construction of the movable mold. FIG. 5 is a schematic view showing the effect of the molding step of the preferred structure of the movable mold.

The invention relates to a step die for integrally forming through holes, which comprises a fixed die 1 and a movable die 2.

The middle part of cover half 1 has been seted up main die cavity 10, be provided with the main mould benevolence 11 that is used for shaping step footboard and kickplate in the main die cavity 10, still be provided with flow channel hole 12 on the cover half 1, flow channel hole 12 is located one side of main mould benevolence 11.

A main flow passage 21 is arranged on the movable mold 2, and the main flow passage 21 can extend into the flow passage hole 12; an auxiliary mold cavity 20 is formed in the middle of the movable mold 2, the main flow channel 21 is communicated with the auxiliary mold cavity 20, a plurality of mold columns 22 used for forming through holes in the steps are arranged in the auxiliary mold cavity 20, the plurality of mold columns 22 are vertically arranged, and the plurality of mold columns 22 can abut against the main mold core 11.

Through set up a plurality of vertical type posts 22 in the supplementary die cavity 20 of movable mould 2, can directly the shaping through-hole when casting the step, the through-hole shaping is effectual, avoids carrying out secondary through-hole processing after the step shaping, does not influence the structural strength of step, has improved production efficiency.

Specifically, the main die core 11 is provided with wavy lines, and a step 100 is provided between one side of the main die core 11 for molding the step tread and the side of the fixed die 1. The step 100 can enable the fixed die 1 and the movable die 2 to be matched more accurately, further improve the sealing effect and improve the casting quality.

The fixed die 1 is provided with symmetrical positioning blocks 13, and the positioning blocks 13 are respectively positioned on two sides of the runner hole 12. And symmetrical positioning grooves 23 are formed in the movable mold 2, and the positioning grooves 23 are respectively positioned on two sides of the main flow channel 21. The positioning block 13 and the positioning groove 23 are arranged, so that the fixed die 1 and the movable die 2 can be conveniently assembled, the die assembling precision is improved, and the casting precision is improved.

Preferably, the positioning block 13 and the positioning groove 23 are both rectangular. The rectangle has edges and corners, and the mutual screens of edges and corners can make the compound die more accurate.

In addition, the side of the fixed die 1 is provided with a plurality of first fixing rings 14, and the first fixing rings 14 are oppositely arranged on two sides of the fixed die 1. The fixed mold 1 can be conveniently carried and transferred by arranging a plurality of first fixing rings 14.

The side of movable mould 2 is provided with a plurality of solid fixed rings 24 of second, and is a plurality of solid fixed ring 24 sets up relatively in the both sides of movable mould 2. The second fixing rings 24 are provided in plural, so that the movable mold 2 can be carried and transferred easily.

The plurality of the shaped pillars 22 of the present embodiment include a plurality of first shaped pillars 221 for forming through holes at the bent portions of the step tread and the kick plate, and the plurality of first shaped pillars 221 are disposed in the middle of the auxiliary cavity 20. The first profile column 221 can be used for forming through holes at the bent parts of the step tread and the step plate, so that secondary through hole processing is avoided, and the production efficiency is improved.

Further, the plurality of the molding pillars 22 includes a plurality of second molding pillars 22 for forming through holes on the step tread, and the plurality of second molding pillars 222 are located at one side of the plurality of first molding pillars 221. The second type column 222 can be used for forming a through hole on the step tread, so that secondary through hole machining is avoided, and the production efficiency is improved.

Please further refer to fig. 6 and 7. Fig. 6 is a perspective view of a preferred construction of a plurality of sideforms. Fig. 7 is a front view of a preferred construction of a plurality of sideforms.

The stair mold of the integrally formed through hole further comprises a plurality of side mold mechanisms 3.

A plurality of side form mechanism 3 follows in proper order the periphery of movable mould 2 sets up, and is a plurality of side form mechanism 3 all includes and pushes away jar 31 and side form 32, push away the piston rod of jar 31 with side form 32 is connected, it can promote to push away jar 31 side form 32 with main mould benevolence 11, supplementary die cavity 20 compound die.

The push cylinder 31 can automatically close the side die 32 with the main die core 11 and the auxiliary die cavity 20, so that the automatic casting level is improved, manual operation is reduced, and the production efficiency is improved.

Preferably, a plurality of side form mechanism 3 still all includes die carrier 33, die carrier 33 is fixed in on the side of movable mould 2, the cylinder body of propelling movement cylinder 31 with die carrier 33 fixed connection, its piston rod pass die carrier 33 with side form 32 is connected. The die carrier 33 is arranged to facilitate the installation and fixation of the cylinder body of the pushing cylinder 31.

Further preferably, the plurality of side mold mechanisms 3 include a first side mold mechanism 301 and two second side mold mechanisms 302, and the first side mold mechanism 301 is located between the two second side mold mechanisms 302, and the three form a C shape. The first side mold mechanism 301 and the second side mold mechanism 302 are provided to be capable of mold clamping from three directions, respectively, and the side mold 32 of the first side mold mechanism 301 may be used to mold the side edge of the step tread.

In addition, the movable mold 2 is provided with channels for the side molds 32 of the first side mold mechanism 301 and the two second side mold mechanisms 302 to pass through, and the three channels are respectively located in three side directions of the auxiliary mold cavity 20.

Because the side die 32 of the first side die mechanism 301 is required to be used for forming the side edge of the step tread, the length of the side die 32 is larger, so the first side die mechanism 301 comprises two pushing cylinders 31 and one side die 32, the cylinder bodies of the two pushing cylinders 31 are arranged in parallel, and the piston rods of the two pushing cylinders are connected with the side die 32.

The pushing cylinders 31 in the first side mold mechanism 301 and the two second side mold mechanisms 302 are both air cylinders.

Compared with the prior art, the stair die with the integrally formed through holes has the advantages that the through holes can be directly formed during step casting by arranging the plurality of vertical section columns in the auxiliary die cavity of the movable die, the through hole forming effect is good, secondary through hole processing after step forming is avoided, the structural strength of the steps is not influenced, and the production efficiency is improved. The step die for integrally forming the through hole has the characteristics of simple structure, good through hole forming effect, high production efficiency and the like.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention.