CN214212136U - Automatic protection device for pin and sleeve of sand spraying box of static pressure molding line sand mold - Google Patents

Abstract

The utility model relates to an automatic protector of static pressure molding line sand mould spraying sand case round pin and cover, it includes that the cover is established at the round pin of two adjacent sand cases and the cover upper side shield the cover, the synchronous cover of driving a plurality of shields is established or is broken away from the driver of round pin and cover motion, set up in every shields the cover and can block at the plug bush at round pin top, and counterpoint calibration module, wherein form the breach between round pin and the sand case surface, when shielding the cover and establishing at the round pin and sheathe in, the plug bush is established at the top of round pin, counterpoint calibration module inserts the breach. The utility model discloses an aspect adopts the shield cover to shield the round pin and the cover of every two adjacent sand boxes simultaneously and protects, avoids spraying adhesion coating, ensures round pin and cover cooperation accuracy, reduces the product disability rate; on the other hand, through the joint of plug bush and round pin and the grafting cooperation of counterpoint calibration module and breach, avoid shielding the removal of cover in the spraying to ensure to shield the effect.

Description

Automatic protection device for pin and sleeve of sand spraying box of static pressure molding line sand mold

Technical Field

The utility model belongs to static pressure molding line equipment field, concretely relates to automatic protector of static pressure molding line sand mould spraying sand case round pin and cover.

Background

In the casting production, the static pressure molding is a molding process of preliminarily compacting the molding sand through an air flow pre-tightening effect and then finally compacting the molding sand through a hydraulic pressure head.

However, in the existing static pressure molding line sand mold, because a surface hardening agent needs to be sprayed on the surface of the sand mold due to the production process, a part of coating is inevitably sprayed on the upper surfaces of the sand box pin and the sleeve in the spraying process, so that the phenomenon that a sand box is not in place can be caused when the sand box pin and the sleeve are combined, and the rejection rate of the sand box missing products during pouring is increased.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome prior art not enough, provide an automatic protector of modified static pressure molding line sand mould spraying sand case round pin and cover.

For solving the technical problem, the utility model discloses a following technical scheme:

the utility model provides an automatic protector of static pressure molding line sand mould spraying sand case round pin and cover, it includes that the cover is established at the round pin of two adjacent sand cases and the cover shielding cover of upper side, the synchronous cover of the cover of driving is established or is broken away from round pin and the driver of cover motion, set up and just can block the plug bush at the round pin top in every shields the cover, and counterpoint calibration module, wherein form the breach between round pin and the sand case surface, when shielding the cover and establishing the round pin and sheathe in, the plug bush is established at the top of round pin, counterpoint calibration module inserts the breach.

Preferably, the surfaces of two adjacent sand boxes are arranged in a flush mode, and the shielding cover is attached to the surfaces of the two adjacent sand boxes from the bottom surface. Therefore, when the sand box is sprayed, the coating can be optimally prevented from adhering to the pin and the sleeve, and the accuracy of sand box mold closing is ensured.

According to the utility model discloses a concrete implementation and preferred aspect, when counterpoint calibration module and breach cooperation, the left and right sides face of counterpoint calibration module laminates respectively on the terminal surface of corresponding sand box and the corresponding side of round pin. Therefore, the clamping is in place, and the displacement of the shielding cover in the spraying process is avoided.

Preferably, when the shielding cover is attached to the surfaces of two adjacent sand boxes from the bottom surface, the bottom surface of the alignment calibration module is in contact with the groove bottom of the notch. This is more stable.

According to the utility model discloses a still another embodiment and preferred aspect, the sand box includes that both ends are equipped with the first sand box of round pin and both ends are equipped with the second sand box of cover, and first sand box and second sand box dislocation interval distribution. In this way, it is ensured that a screening can be provided with a pin and sleeve spray protection.

According to a further embodiment and preferred aspect of the present invention, the actuator comprises telescopic rod assemblies corresponding to the shield covers one to one and located on the shield covers, wherein a synchronous telescopic movement is provided between every two adjacent telescopic rod assemblies. Simple structure and convenient implementation.

Preferably, the telescopic rod of the telescopic rod assembly is connected with the shield cover from the lower end.

Furthermore, the lower end part of the telescopic rod piece penetrates into the shielding cover and is connected with the shielding cover.

Preferably, the driver further comprises a control assembly for controlling the movement of each telescopic rod, and the control assemblies of a plurality of telescopic rods are arranged in alignment.

Furthermore, the control assembly comprises an uplink limiting sensor, a downlink limiting sensor and an inductor fixed on the telescopic rod piece, wherein after one of the uplink limiting sensor and the downlink limiting sensor acquires the information of the inductor, the telescopic rod piece stops lifting.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model discloses an aspect adopts the shield cover to shield the round pin and the cover of every two adjacent sand boxes simultaneously and protects, avoids spraying adhesion coating, ensures round pin and cover cooperation accuracy, reduces the product disability rate; on the other hand, through the joint of plug bush and round pin and the grafting cooperation of counterpoint calibration module and breach, avoid shielding the removal of cover in the spraying to ensure to shield the effect.

Drawings

FIG. 1 is a schematic view of an automatic protection device for a pin and a sleeve of a sand box for sand mold spraying of a static pressure molding line according to the present invention;

wherein: s, a sand box; s1, a first flask; x, a pin; s2, a second flask; t, sheathing; q, a gap; 1. a shielding cover; 2. a driver; 20. a telescopic rod assembly; 21. a manipulation component; 210. an uplink limit sensor; 211. a downlink limit sensor; 212. an inductor; 3. a plug bush; 4. and aligning the calibration module.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "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. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in figure 1, the automatic protection device for the pin and the sleeve of the sand box for sand mold spraying of the static pressure molding line comprises a shielding cover 1 which covers the pin x and the sleeve t of two adjacent sand boxes s, a driver 2 which drives a plurality of shielding covers 1 to cover or separate the pin x and the sleeve t synchronously, an inserting sleeve 3 which is arranged in each shielding cover 1 and can be clamped at the top of the pin x, and an alignment calibration module 4, wherein a gap q is formed between the pin x and the surface of the sand boxes s, when the shielding covers 1 cover the pin x and the sleeve t, the inserting sleeve 3 is sleeved at the top of the pin x, and the alignment calibration module 4 is inserted into the gap q.

In this example, the flasks s include a first flask s1 with pins x on both ends and a second flask s2 with sleeves t on both ends, and the first flask s1 and the second flask s2 are offset and spaced apart. In this way it is ensured that a screening can 1 can be provided with a spray protection of the pin x and the sleeve t.

Specifically, the surfaces of the first flask s1 and the second flask s2 are flush with each other, and when the shield cover 1 performs shield protection, the shield cover 1 is attached to the surfaces of the first flask s1 and the second flask s2 from the bottom surface, the left and right side surfaces of the alignment calibration module 4 are attached to the end surface of the first flask s1 and the corresponding side surfaces of the pin x, respectively, and the bottom surface of the alignment calibration module 4 is in contact with the bottom surface of the notch q. Therefore, when the sand box is sprayed, the coating can be optimally prevented from adhering to the pin and the sleeve, and the accuracy of sand box mold closing is ensured.

Meanwhile, the shielding cover is clamped in place, and the displacement of the shielding cover in the spraying process is avoided.

The driver 2 comprises telescopic rod components 20 which correspond to the shielding cover 1 one by one and are positioned on the shielding cover 1; a control assembly 21 for controlling the movement of each telescopic rod assembly 20, wherein the telescopic movement between each two adjacent telescopic rod assemblies 20 is synchronous. Simple structure and convenient implementation.

In this embodiment, the telescopic rod assembly 20 is a conventional cylinder, wherein the telescopic rod of the cylinder penetrates into the shielding cover 1 from the lower end and is connected to the shielding cover 1.

The manipulation assemblies 21 of the plurality of cylinders are aligned.

Specifically, the control assembly 21 includes an upward limit sensor 210, a downward limit sensor 211, and a sensor 212 fixed to the telescopic rod of the air cylinder, wherein after one of the upward limit sensor 210 and the downward limit sensor 211 obtains information of the sensor 212, the telescopic rod of the air cylinder stops lifting.

That is, when the ascending limit sensor 210 acquires the information of the sensor 212, the cylinder stops contracting, and the shield cover 1 stops ascending; after the down-limit sensor 211 acquires the information from the sensor 212, the cylinder stops extending, and the shield cover 1 is pressed against the surfaces of the first flask s1 and the second flask s2 from the bottom surface to perform shielding protection.

In summary, the present embodiment has the following advantages:

1. the shielding cover is adopted to simultaneously shield and protect the pins and the sleeves of every two adjacent sand boxes, so that the coating is prevented from being sprayed and adhered, the matching accuracy of the pins and the sleeves is ensured, and the product rejection rate is reduced;

2. through the clamping of the plug bush and the pin and the plug-in fit of the alignment calibration module and the notch, the movement of the shielding cover in the spraying process is avoided, so that the shielding effect is ensured.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides an automatic protector of static pressure molding line sand mould spraying sand case round pin and cover which characterized in that: the automatic protection device comprises shielding covers covering the pin and the upper part of the two adjacent sand boxes, a driver driving the shielding covers to cover or separate from the pin and the sleeve synchronously, an inserting sleeve arranged in each shielding cover and capable of being clamped at the top of the pin, and an alignment calibration module, wherein a gap is formed between the pin and the surface of the sand box, when the shielding covers are covered on the pin and the sleeve, the inserting sleeve is sleeved at the top of the pin, and the alignment calibration module is inserted into the gap.

2. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: the surfaces of two adjacent sand boxes are arranged in a flush mode, and the shielding cover is attached to the surfaces of the two adjacent sand boxes from the bottom surface.

3. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: when the alignment calibration module is matched with the notch, the left side surface and the right side surface of the alignment calibration module are respectively attached to the end surface corresponding to the sand box and the corresponding side surface of the pin.

4. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: when the shielding cover is attached to the surfaces of two adjacent sand boxes from the bottom surface, the bottom surface of the alignment calibration module is in contact with the groove bottom of the notch.

5. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: the sand box comprises a first sand box with two ends provided with the pins and a second sand box with two ends provided with the sleeves, and the first sand box and the second sand box are distributed at intervals in a staggered mode.

6. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: the driver comprises telescopic rod assemblies which correspond to the shielding covers one by one and are positioned on the shielding covers, wherein each two adjacent telescopic rod assemblies synchronously extend and retract.

7. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: the telescopic rod piece of the telescopic rod component is connected with the shielding cover from the lower end part.

8. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: the lower end part of the telescopic rod piece penetrates into the shielding cover and is connected to the shielding cover.

9. The automatic protection device for the pin and the sleeve of the static pressure molding line sand mold spraying sand box is characterized in that: the driver also comprises a control assembly for controlling the movement of each telescopic rod piece, and the control assemblies of a plurality of telescopic rod pieces are arranged in an aligned mode.

10. The automatic protection device for pins and sleeves of the static pressure molding line sand mold spraying sand box according to claim 9, is characterized in that: the control assembly comprises an uplink limiting sensor, a downlink limiting sensor and an inductor fixed on the telescopic rod piece, wherein after one of the uplink limiting sensor and the downlink limiting sensor acquires the information of the inductor, the telescopic rod piece stops lifting.

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