CN113732253A

CN113732253A - Forming device

Info

Publication number: CN113732253A
Application number: CN202110982353.6A
Authority: CN
Inventors: 徐国强; 万健; 沙龙; 彭志宁; 魏守田
Original assignee: Kocel Machinery Co Ltd
Current assignee: Kocel Machinery Co Ltd
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-12-03

Abstract

The invention relates to a tool for a casting die, in particular to a die lifting device, which comprises a rotating structure, an embedded structure and an auxiliary structure, wherein a channel is arranged on a die movable material, the embedded structure is arranged in the channel, the auxiliary structure is positioned between the die movable material and a sand core, one end of the rotating structure penetrates through the channel and is detachably connected with the auxiliary structure, the rotating structure is connected and matched with the embedded structure, and the rotating structure is rotated to drive the die to be far away from the sand core by the embedded structure; the mold lifting device solves the problems of difficult mold lifting by adopting the traditional knocking and the quality of castings, reduces the mold lifting difficulty, improves the production efficiency, and has simple operation and strong applicability.

Description

Forming device

Technical Field

The invention relates to a mold lifting device, in particular to a large mold lifting device used in the field of casting molds.

Background

In the casting trade, the mould is all the most important at any time, because the problem of foundry goods structure itself, the structure of mould can not all be made motionless material, the structure of foundry goods is guaranteed to the material that lives all to the overwhelming majority mould, therefore the design of material that lives and the mode of getting up have very important meaning to the pair of mould, convenient material that lives plays the mode and has very big promotion to the quality of psammitolite and foundry goods, can improve on-the-spot operating efficiency simultaneously, reduce the loss of mould, traditional mode of getting up to ordinary material that lives is the screw thread that plays the appearance at the mould rear device, strike the back and take out through the screw rod connection together, this kind of mode of getting up has following drawback: the balance degree of the mold lifting and the uniformity of the knocking force are difficult to ensure by adopting a knocking mode, so that the damage to a mold or a sand core is easily caused; for medium-sized or large-sized movable materials, the lifting mode has high labor intensity and low efficiency, and the quality of a mold and a sand core after lifting is difficult to ensure.

Disclosure of Invention

Based on the above, the invention overcomes the problems of low stripping efficiency and high labor intensity in the prior art, solves the problem of difficult mould stripping operation of large size, provides a convenient and quick mould stripper for stripping the movable material of the mould from the sand core/sand mould through the stripping device, and has stable and simple operation and low labor intensity; meanwhile, the service life of the active material is prolonged, the quality risk is reduced, and the working efficiency and the casting quality are improved. Specifically, the present invention adopts the following technical solutions.

A forming device comprises a rotating structure, an embedded structure and an auxiliary structure; a channel is arranged on the die movable material, and the embedded structure is arranged in the channel; the auxiliary structure is positioned between the movable material and the sand core of the mold; one end of the rotating structure penetrates through the channel to be detachably connected with the auxiliary structure; the rotating structure is connected and matched with the embedded structure; and rotating the rotating structure to enable the embedded structure to drive the mould to be far away from the sand core.

In one embodiment, one end of the rotating mechanism is provided with a thread, and the other end of the rotating mechanism is provided with a rotating handle.

In one embodiment, the length of the thread is at least 1/3 of the die active depth.

In one embodiment, the embedded structures include a first embedded structure and a second embedded structure, the first embedded structure having a cross-section smaller than a cross-section of the second embedded structure.

In one embodiment, the second embedding structure is provided with a pin hole, and the pin hole is matched with a positioning pin arranged on the auxiliary structure for use.

In one embodiment, the first and second insert structures are internally provided with through-threads.

In one embodiment, the auxiliary structure is a cylinder, is arranged at the surface position of the movable side of the mold and is abutted against the sand core.

In one embodiment, the auxiliary structure and the insert structure are pinned together prior to forming the auxiliary structure.

In one embodiment, before the auxiliary structure is started, the embedded structure is 8-15 mm lower than the surface of the side, close to the sand core, of the movable material of the mold.

In one embodiment, the auxiliary structure is flush with the surface of the movable material of the mold on the side close to the sand core.

The mold lifting device provided by the invention achieves the purpose of stably withdrawing the movable material of the mold from the sand core through the mutual matching and interaction of the rotating structure, the embedded structure and the auxiliary structure. The whole die material moving and lifting system is a metal material block, the problem of difficulty in traditional knocking and lifting for larger materials is solved through the die lifting device, meanwhile, the system is completely lifted through the rotation of the nut, the problems of vibration and the like caused by knocking and lifting are avoided, lifting is facilitated, the completeness of a sand core structure is protected, the lifting difficulty of field workers is further reduced, the field production efficiency is greatly improved, the device is wide in universality, suitable for die material blocks of different shapes and sizes, simple to operate, low in price and convenient to install, and is very suitable for large-scale popularization and use.

Drawings

FIG. 1 is a schematic view of a mold lifting apparatus of the present invention;

FIG. 2 is a schematic view of the connection between the mold lifter and the movable material of the mold before the mold lifter is lifted;

FIG. 3 is a schematic diagram of the mold lifting device of the present invention during the lifting process.

Description of reference numerals:

rotating structure-100, embedding structure-200, auxiliary structure-300, first embedding structure 210, second embedding structure-220, pin hole-230, positioning pin-310, die material-400 and sand core-500

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. As used herein, the terms "vertical," "horizontal," "left," "right," "top," "bottom," "top," and the like are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The embodiment of the invention provides a mold lifting device, which is used for lifting movable mold materials from a sand core or a sand mold, and comprises a rotating structure 100, an embedded structure 200 and an auxiliary structure 300, wherein the rotating structure 100 is a round rod-shaped structure, one end of a round rod is provided with a thread, and in order to facilitate rotation, a rotating handle is arranged at one end far away from the thread and is vertical to a round rod main body. Further, the length of the thread provided on the rotary structure is 1/3 the depth of the die loose material, thereby facilitating the start and removal of the die loose material. On the other hand, revolution mechanic can set up to retractable structure to satisfy the use of the mould material of the different degree of depth, reinforcing commonality and the suitability of use. More specifically, the rotary structure 100 is provided with a thread structure, and by screwing the rotary structure 100, the rotary structure 100 can move back and forth under the action of the thread.

Referring to fig. 1, the insert structure 200 includes a first insert structure 210 and a second insert structure 220, the first insert structure 210 and the second insert structure 220 are hollow cylinders, through threads are provided inside the first insert structure 210 and the second insert structure 220, and the through threads are matched with threads on the rotating structure, so that the rotating structure 100 rotates in the insert structure 200. Further, a step-shaped arrangement is formed between the first embedding structure 210 and the second embedding structure 220 in the embedding structure 200, that is, the cross-sectional area of the first embedding structure 210 is smaller than that of the second embedding structure, and the arrangement of the embedding structure 200 is changed into a structure, so that on one hand, damage of the device to the die material is reduced, and on the other hand, a more favorable mold-starting effect is realized during later-period mold-starting of the device. The height of the first embedded structure 210 is set to 30mm-100mm, and the height of the second embedded structure 220 is set to 5mm-10mm, and the embedded structure 220 is provided with pin holes 230, and the pin holes 230 are circumferentially spaced on the second embedded structure 220 along the axial direction of the second embedded structure 220. More specifically, the insert structure 200 is configured according to the size of the material of the mold to be formed, and when the rotary structure 100 is disposed inside the insert structure 200, the rotary structure and the insert structure are connected to each other through a screw structure therebetween. To increase the versatility of the device, the first and second embedded

structures

210 and 220 in the embedded structure 200 can be designed as a modular connector, and the first embedded structures 210 with different heights and the embedded structures 220 with different heights can be used in combination, or the second embedded structure 220 with the same specification and the first embedded structure 210 with different heights can be used in combination.

Further, the auxiliary structure 300 is a cylinder with a thickness of 5mm-10mm, a set of positioning pins 310 is symmetrically arranged on a side surface of the auxiliary structure 300 close to the embedded structure 200, the positioning pins 310 are arranged in cooperation with the pin holes 230 on the embedded structure 200, and the positioning pins 310 are arranged in cooperation with the pin holes 230 to detachably connect the embedded structure 200 and the auxiliary structure 230 together. The auxiliary structure 300 is located between the embedding structure 200 and the sand core, specifically, the auxiliary structure 300 is located at the surface position of the mold material, the diameter size of the auxiliary structure 300 is consistent with that of the second embedding structure 220, and the auxiliary structure 300 and the rotating structure 100 are detachably connected with each other through snap fasteners. The auxiliary structure 300 is used for increasing the stress area and the strength of the rotary structure 100 when the rotary structure enters in a rotating mode, meanwhile, the rotary structure 100 is prevented from directly acting on the surface of the sand core to damage the surface quality of the sand core, the rotary structure acts on the surfaces of the sand core and a die material activating surface better, and the purpose of ejecting the die material activating material from the sand core is achieved in an auxiliary mode.

The lift mechanism in the embodiment is used for lifting the mold piston 400 from the sand core 500, and is described in more detail with reference to the use of the lift mechanism for the purpose of achieving the function of the lift mechanism. Referring to fig. 2, firstly, a groove is pre-formed on the mold material 400, and the groove is reserved for placing the auxiliary structure 300; when the mold blank 400 is manufactured, the embedded structure 200 is also set in advance in the mold blank 400, and the embedded structure 200 is 8mm to 15mm lower than the surface of the mold blank 400 on the side close to the sand core 500. On the other hand, a channel is arranged on the die movable material 400, the embedded structure 200 is arranged in the channel, the arranged channel is used for enabling the later-stage rotating structure to enter the die movable material, and the diameter of the channel is 1mm-2mm larger than that of the rotating structure 100. Further, before the mold piston 400 flows sand, the auxiliary structure 300 in the mold lifting device is arranged in a groove reserved in the mold piston 400, and is tightly attached to the embedded structure 200 in a pin connection manner, the embedded structure 200 is 8mm to 15mm lower than the surface of the mold piston 400, but the auxiliary structure 300 is just positioned on the surface of the mold piston 400, so that the height of the cylinder of the auxiliary structure 300 is 8mm to 15mm, that is, the distance from the second embedded structure 220 in the embedded structure 200 to the mold piston 400 is consistent with the thickness of the auxiliary structure 300. Specifically, after the second embedded structure 20 and the auxiliary structure 300 are connected together by the positioning pins, the auxiliary structure 300 is just flush with the surface of the mold 400 when the auxiliary structure 300 is placed in the mold 400. Further, the side of the mould live material that sets up the passageway on mould live material 400 runs through to the opposite side that the mould live material contacted with the psammitolite, also the passageway runs through to the recess one side of reserving from one side, after mould live material buries the sand mould or psammitolite through the mode of molding or making the core, revolution mechanic 100 alright get into the embedded structure 200 in the passageway through the passageway, and twist into the embedded structure 200 through the screw thread, before the type is played, embedded structure 200 and auxiliary structure 300 pin joint are in the same place, revolution mechanic 100 rotates and gets into after the embedded mechanism, through setting up the snap fastener structure, the end and the auxiliary structure 300 joint of revolution mechanic 100 are in the same place.

Further, with reference to fig. 2 and 3, the mold lifting device will be specifically described before and after lifting. As can be seen from fig. 2, before the mold lifting structure is lifted, the embedded structure 200 and the auxiliary structure 300 are detachably connected together and are in the mold shot 400, while the surface of the auxiliary structure 300 is flush with the surface of the mold shot 400 and is in contact with the surface of the sand core 500, and the rotary structure 100 can pass through the channel provided on the mold shot 400 and is connected together in cooperation with the embedded structure 200 and is clamped with the auxiliary structure 300. In the mold lifting device, the rotating structure 100 is screwed in a rotating manner in the mold lifting process, and the rotating structure 100 can move forward due to the action of the threads, so that the auxiliary structure 300 is pushed to act on the sand core 500, and meanwhile, the embedded structure embedded in the movable mold 400 is subjected to the reaction force of the rotating structure 100 and the sand core 500, so that the movable mold 400 is driven to stably exit from the sand core 500, and it should be noted that the rotating structure 100 has enough length to ensure that the movable mold 400 can be completely separated from the sand core 500. Referring to fig. 3, more specifically, before the mold material flows, the auxiliary structure 300 is connected with the embedded structure 200 through the positioning pin 310, a position corresponding to the size of the auxiliary structure 300 is reserved in the mold material, when the mold is started after the sand flow is finished, the rotating structure 100 is screwed into the embedded structure, and as the rotating structure 100 is screwed into the embedded structure and contacts with the auxiliary structure 300, the rotating structure 100 continues to push the auxiliary structure 300 and the embedded structure 200 to be separated from each other through the screwed-in, and as the auxiliary structure 300 is already pushed against the sand core and cannot advance any more, the embedded structure 200 drives the mold material 400 to withdraw from the sand core 500 from the opposite direction, so that the mold starting effect is achieved. The mold lifting device provided by the invention has the advantages that the structure is simple, the applicability is strong, the operation is convenient in the whole mold lifting process, and the damage to a mold or a sand core caused by the difficulty in ensuring the balance degree of the mold lifting in a knocking mode and the uniformity of knocking force is avoided; the mould can be operated for the movable material lifting of the medium-sized or large-sized mould, and is convenient, quick, stable and simple; in the embodiment, the whole forming process can not damage the active material, the service life of the active material is prolonged, and the working efficiency is effectively improved.

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. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A forming device is characterized in that,

comprises a rotating structure, an embedded structure and an auxiliary structure;

a channel is arranged on the die movable material, and the embedded structure is arranged in the channel;

the auxiliary structure is positioned between the movable material and the sand core of the mold;

one end of the rotating structure penetrates through the channel to be detachably connected with the auxiliary structure;

the rotating structure is connected and matched with the embedded structure;

and rotating the rotating structure to enable the embedded structure to drive the mould to be far away from the sand core.

2. The device of claim 1, wherein the rotation mechanism is provided with a thread at one end and a rotation handle at the other end.

3. A lift system according to claim 2, wherein said threads have a length of at least 1/3 die kick-off depths.

4. A lift system according to claim 1, wherein said insert structure comprises a first insert structure and a second insert structure, said first insert structure having a cross-section smaller than a cross-section of said second insert structure.

5. A lift system according to claim 4, wherein said second insert structure is provided with pin holes for cooperating with locating pins provided on said auxiliary structure.

6. A lifter according to claim 4, wherein the first and second insert formations are internally provided with through-threading.

7. The pattern-lifting device according to claim 1, wherein said auxiliary structure is a cylinder disposed at a surface position on a live side of said mold in abutment with said sand core.

8. A lift system according to claim 1, wherein said auxiliary structure and said insert structure are pinned together prior to lifting.

9. The pattern-lifting device according to claim 1, wherein the insert structure is 8mm to 15mm lower than the surface of the loose material of the mold on the side close to the sand core.

10. The pattern-lifting device according to claim 1, wherein said auxiliary structure is flush with the surface of said movable mold material on the side adjacent to said sand core.