阅读说明：本技术 一种废旧油漆桶液氮处理装置 (Liquid nitrogen treatment device for waste paint buckets ) 是由 李丽 张云峰 杨瑞瑾 李玲玲 姚凌云 陈行政 蔡维 高艳娥 刘笑帆 于 2020-07-18 设计创作，主要内容包括：本发明公开了一种废旧油漆桶液氮处理装置,其属于油漆桶加工技术领域。它采用液氮技术去除废旧油漆桶内的油漆涂层,除漆效率高且无环境污染,解决了现有工业中采用化学浴浸泡或燃烧技术清除油漆桶所造成的效率低、环境污染大的缺陷。它的主体结构包括液氮槽、槽盖、液氮槽处液压缸、基架、伺服电机、联轴器、齿轮、齿条、齿条支撑板、升降气压缸、升降导杆、夹持机构安装板、夹紧气压缸、两个夹紧钩、铁桶。通过精确控制废旧铁桶在液氮槽中的下落、浸泡和抓取操作,实现对废旧油漆桶的高效环保处理,同时采用夹紧钩倾斜布局设计确保油漆桶内液氮倾倒完全以减少液氮损耗。此装置结构简单、环保性好,可量产用于工业。(The invention discloses a liquid nitrogen treatment device for a waste paint bucket, and belongs to the technical field of paint bucket processing. The liquid nitrogen technology is adopted to remove the paint coating in the waste paint bucket, the paint removing efficiency is high, no environmental pollution is caused, and the defects of low efficiency and large environmental pollution caused by adopting a chemical bath soaking or combustion technology to remove the paint bucket in the existing industry are overcome. The main structure of the device comprises a liquid nitrogen tank, a tank cover, a hydraulic cylinder at the liquid nitrogen tank, a base frame, a servo motor, a coupler, a gear, a rack supporting plate, a lifting pneumatic cylinder, a lifting guide rod, a clamping mechanism mounting plate, a clamping pneumatic cylinder, two clamping hooks and an iron barrel. Through the whereabouts of accurate control old and useless iron ladle in the liquid nitrogen tank, soak and snatch the operation, realize the high-efficient environmental protection to old and useless paint kettle and handle, adopt simultaneously to press from both sides tight hook slope overall arrangement design and ensure that liquid nitrogen emptys completely in order to reduce the liquid nitrogen loss in the paint kettle. The device has simple structure and good environmental protection, and can be used in industry in mass production.)

1. The utility model provides a waste paint bucket liquid nitrogen processing apparatus, its major structure includes: the device comprises a base frame 1, a liquid nitrogen tank 2, a liquid nitrogen tank hydraulic cylinder 3, a tank cover 4, a rack supporting plate 5, a rack 6, a gear 7, a coupler 8, a servo motor 9, a lifting pneumatic cylinder 10, a lifting guide rod 11, a clamping pneumatic cylinder 12, a clamping mechanism mounting plate 13, a clamping hook 14, a clamping hook 15 and an iron barrel 16.

2. The liquid nitrogen treatment device for the waste paint buckets as defined in claim 1, wherein: the servo motor 9 is fixed on the base frame 1 through two pairs of bolts and is connected with the gear 7 through a coupler 8; the rack 6 is fixed on the rack support plate 5 and is meshed with the gear 7; the lower end of the rack support plate 5 is matched with two columns of the base frame 1; the piston of the lifting pneumatic cylinder 10 and the bottom of the lifting guide rod 11 are fixed on a clamping mechanism mounting plate 13 through bolts; a piston of the lifting pneumatic cylinder 10 and a lifting guide rod 11 vertically pass through a round hole in the rack support plate 5, and a cylinder body of the lifting pneumatic cylinder 10 is fixed on the rack support plate 5 through a bolt; the clamping pneumatic cylinder 12 is fixed on the clamping mechanism mounting plate 13 through two pairs of bolts; the piston of the clamping pneumatic cylinder 12 is fixed together with the clamping hook 14 and the clamping hook 15 by a pair of bolts; the liquid nitrogen tank 2 is hinged with the tank cover 4; a piston of the hydraulic cylinder 3 at the liquid nitrogen tank is nested with a clamping groove on the tank cover 4; the bottom of the cylinder body is hinged with the ear of the liquid nitrogen tank 2; the liquid nitrogen tank 2 is placed in an iron frame in the base frame and is in contact with the ground.

3. The liquid nitrogen treatment device for the waste paint buckets as defined in claim 1, wherein: the servo motor 9 drives the coupler 8 to rotate together so as to drive the gear 7 to rotate; the gear 7 is meshed with the rack 6 so as to convert the rotary motion of the gear 7 into the horizontal linear motion of the rack 6; the rack 6 drives the whole rack support plate 5 to do linear motion along a guide rail on the base frame, and a slide rail on the base frame 1 is matched with the lower part of the rack support plate 5 to play a role in guiding; when the rack supporting plate 5 moves to be positioned right above the liquid nitrogen tank 2, the servo motor 9 stops running; the lifting pneumatic cylinder 10 is started to drive the clamping mechanism mounting plate 13 to vertically move downwards; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the iron drum 16; when the iron bucket 16 is completely positioned in the liquid nitrogen tank 2, the lifting pneumatic cylinder 10 stops working; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards the two back directions so as to loosen the iron bucket 16, and the iron bucket 16 is completely sunk into the liquid nitrogen tank 2; the lifting pneumatic cylinder 10 is started and drives the clamping mechanism mounting plate 13 to vertically move upwards, and the lifting pneumatic cylinder stops moving when reaching the highest position; the hydraulic cylinder 3 at the hydraulic tank controls the movement of the piston so as to enable the tank cover 4 to cover the liquid nitrogen tank 2; after a certain freezing time is reached, the hydraulic cylinder 3 at the hydraulic groove controls the movement of the piston so as to open the groove cover 4; the lifting pneumatic cylinder 10 is started and drives the clamping mechanism mounting plate 13 to vertically move downwards until the clamping hooks 14 and 15 are lower than the upper edge of the iron bucket; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the iron drum 16; the lifting pneumatic cylinder 12 is started and drives the clamping mechanism mounting plate 13 to move vertically upwards, the clamping hook 15 is higher than the clamping hook 14 in the horizontal direction, and the barrel mouth inclines downwards when the iron barrel moves upwards so that liquid nitrogen can be completely poured; the servo motor 9 works reversely and drives the gear 7 to move in a meshing way with the rack 6, so that the rack support plate 5 drives the clamping hook 14, the clamping hook 15 and the iron bucket 16 to move reversely; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two back directions so as to loosen the iron bucket 16 and place the iron bucket 16 into the cleaned area; the clamping pneumatic cylinder 12 works to drive the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the next waste iron bucket, and the batch cleaning treatment of the waste iron buckets is realized by continuous cyclic reciprocation.

4. The liquid nitrogen treatment device for the waste paint buckets as defined in claim 1, wherein: the bottom of the steel barrel has a certain inclination, and the bottom of the liquid nitrogen tank is also provided with a small wedge-shaped step for guiding.

5. The liquid nitrogen treatment device for the waste paint buckets as defined in claim 1, wherein: the two clamping hooks are different in horizontal height, so that liquid nitrogen in the steel barrel can be poured conveniently.

Technical Field

The invention relates to the technical field of paint bucket processing, in particular to a liquid nitrogen treatment device for a waste paint bucket.

Background

In recent years, the steel drum industry in China is rapidly developed, and China becomes a big country and a strong country of the steel drum industry in the world at present. The steel drum is discarded if the steel drum is used once, so that a great deal of waste of resources is inevitably caused. According to statistics, 78.5% of steel barrels are used for packaging chemical materials, and most chemical materials belong to toxic and harmful substances. At present, the chemical bath soaking or burning method is adopted in industry to remove or burn off the chemical coating remained on the waste iron drum. However, the method for cleaning the waste iron drum has high energy consumption and is easy to generate environmental pollution problems such as toxic waste liquid and toxic waste gas. Meanwhile, the cleaning process of the prior art method is complex, so that the cleaning efficiency of the waste iron bucket is low. Therefore, how to efficiently and environmentally clean and recycle the waste iron barrels is an important problem which needs to be solved urgently at present. Liquid nitrogen is a non-polluting liquid with a very low temperature, as low as-195.8 ℃. The liquid nitrogen technology is adopted to remove the paint coating on the surface of the steel scrap barrel, the paint removing efficiency is high, the paint removing quality is good, and the environmental emission problems of wastewater, waste gas and the like can not be caused, so that the method has a good efficient environment-friendly effect, and a new technical method is provided for steel barrel renovation. The invention designs a liquid nitrogen treatment device for waste paint buckets, which can provide a solution for realizing efficient and environment-friendly treatment of the waste paint buckets.

Disclosure of Invention

The invention aims to provide a liquid nitrogen treatment device for waste paint buckets, which can realize efficient and environment-friendly paint removal of the waste paint buckets.

The purpose of the invention is realized by adopting the following technical scheme:

the utility model provides a waste paint bucket liquid nitrogen processing apparatus, its major structure includes: the device comprises a base frame 1, a liquid nitrogen tank 2, a liquid nitrogen tank hydraulic cylinder 3, a tank cover 4, a rack supporting plate 5, a rack 6, a gear 7, a coupler 8, a servo motor 9, a lifting pneumatic cylinder 10, a lifting guide rod 11, a clamping pneumatic cylinder 12, a clamping mechanism mounting plate 13, a clamping hook 14, a clamping hook 15 and an iron barrel 16.

The servo motor 9 is fixed on the base frame 1 through two pairs of bolts and is connected with the gear 7 through a coupler 8; the rack 6 is fixed on the rack support plate 5 and is meshed with the gear 7; the lower end of the rack support plate 5 is matched with two columns of the base frame 1; the piston of the lifting pneumatic cylinder 10 and the bottom of the lifting guide rod 11 are fixed on a clamping mechanism mounting plate 13 through bolts; a piston of the lifting pneumatic cylinder 10 and a lifting guide rod 11 vertically pass through a round hole in the rack support plate 5, and a cylinder body of the lifting pneumatic cylinder 10 is fixed on the rack support plate 5 through a bolt; the clamping pneumatic cylinder 12 is fixed on the clamping mechanism mounting plate 13 through two pairs of bolts; the piston of the clamping pneumatic cylinder 12 is fixed together with the clamping hook 14 and the clamping hook 15 by a pair of bolts; the liquid nitrogen tank 2 is hinged with the tank cover 4; a piston of the hydraulic cylinder 3 at the liquid nitrogen tank is nested with a clamping groove on the tank cover 4; the bottom of the cylinder body is hinged with the ear of the liquid nitrogen tank 2; the liquid nitrogen tank 2 is placed in an iron frame in the base frame and is in contact with the ground.

The servo motor 9 drives the coupler 8 to rotate together so as to drive the gear 7 to rotate; the gear 7 is meshed with the rack 6 so as to convert the rotary motion of the gear 7 into the horizontal linear motion of the rack 6; the rack 6 drives the whole rack support plate 5 to do linear motion along a guide rail on the base frame, and a slide rail on the base frame 1 is matched with the lower part of the rack support plate 5 to play a role in guiding; when the rack supporting plate 5 moves to be positioned right above the liquid nitrogen tank 2, the servo motor 9 stops running; the lifting pneumatic cylinder 10 is started to drive the clamping mechanism mounting plate 13 to vertically move downwards; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the iron drum 16; when the iron bucket 16 is completely positioned in the liquid nitrogen tank 2, the lifting pneumatic cylinder 10 stops working; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards the two back directions so as to loosen the iron bucket 16, and the iron bucket 16 is completely sunk into the liquid nitrogen tank 2; the lifting pneumatic cylinder 10 is started and drives the clamping mechanism mounting plate 13 to vertically move upwards, and the lifting pneumatic cylinder stops moving when reaching the highest position; the hydraulic cylinder 3 at the hydraulic tank controls the movement of the piston so as to enable the tank cover 4 to cover the liquid nitrogen tank 2; after a certain freezing time is reached, the hydraulic cylinder 3 at the hydraulic groove controls the movement of the piston so as to open the groove cover 4; the lifting pneumatic cylinder 10 is started and drives the clamping mechanism mounting plate 13 to vertically move downwards until the clamping hooks 14 and 15 are lower than the upper edge of the iron bucket; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the iron drum 16; the lifting pneumatic cylinder 12 is started and drives the clamping mechanism mounting plate 13 to move vertically upwards, the clamping hook 15 is higher than the clamping hook 14 in the horizontal direction, and the barrel mouth inclines downwards when the iron barrel moves upwards so that liquid nitrogen can be completely poured; the servo motor 9 works reversely and drives the gear 7 to move in a meshing way with the rack 6, so that the rack support plate 5 drives the clamping hook 14, the clamping hook 15 and the iron bucket 16 to move reversely; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two back directions so as to loosen the iron bucket 16 and place the iron bucket 16 into the cleaned area; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two back directions so as to loosen the iron bucket 16 and place the iron bucket 16 into the cleaned area; the clamping pneumatic cylinder 12 works to drive the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the next waste iron bucket, and the batch cleaning treatment of the waste iron buckets is realized by continuous cyclic reciprocation.

The bottom of the liquid nitrogen tank is provided with a certain inclination, and the bottom of the liquid nitrogen tank is also provided with a small wedge-shaped step for guiding.

The horizontal heights of the two clamping hooks are not consistent.

The invention has the following advantages and positive effects:

1. this paint removing device can realize the high-efficient environmental protection of old and useless paint kettle and remove lacquer the function, remove lacquer efficiently, remove lacquer of high quality, and can not produce environmental pollution such as waste gas and waste liquid, have fine high-efficient environmental protection effect.

2. The paint removing device can enable liquid nitrogen to be poured completely, and liquid nitrogen loss is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention, are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation of the invention. In the drawings:

FIG. 1 is a schematic view of the overall structure

FIG. 2 is a partial schematic view of a tank body

FIG. 3 is a partial schematic view of a base frame

FIG. 4 is a partial schematic view of the elevating mechanism

FIG. 5 is a partial schematic view of a translation mechanism

FIG. 6 is a partial schematic view of a clamping mechanism

In the drawing, a pedestal (1), a liquid nitrogen tank (2), a liquid nitrogen tank hydraulic cylinder (3), a tank cover (4), a rack support plate (5), a rack (6), a gear (7), a coupler (8), a servo motor (9), a lifting pneumatic cylinder (10), a lifting guide rod (11), a clamping pneumatic cylinder (12), a clamping mechanism mounting plate (13), a clamping hook (14), a clamping hook (15) and an iron barrel (16).

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples, but it should not be construed that the scope of the above-described subject matter is limited to the examples. Various substitutions and alterations can be made without departing from the technical idea of the invention and the scope of the invention is covered by the present invention according to the common technical knowledge and the conventional means in the field.

The utility model provides a waste paint bucket liquid nitrogen processing apparatus, its major structure includes: the device comprises a base frame 1, a liquid nitrogen tank 2, a liquid nitrogen tank hydraulic cylinder 3, a tank cover 4, a rack supporting plate 5, a rack 6, a gear 7, a coupler 8, a servo motor 9, a lifting pneumatic cylinder 10, a lifting guide rod 11, a clamping pneumatic cylinder 12, a clamping mechanism mounting plate 13, a clamping hook 14, a clamping hook 15 and an iron barrel 16.

The servo motor 9 is fixed on the base frame 1 through two pairs of bolts and is connected with the gear 7 through a coupler 8; the rack 6 is fixed on the rack support plate 5 and is meshed with the gear 7; the lower end of the rack support plate 5 is matched with two columns of the base frame 1; the piston of the lifting pneumatic cylinder 10 and the bottom of the lifting guide rod 11 are fixed on a clamping mechanism mounting plate 13 through bolts; a piston of the lifting pneumatic cylinder 10 and a lifting guide rod 11 vertically pass through a round hole in the rack support plate 5, and a cylinder body of the lifting pneumatic cylinder 10 is fixed on the rack support plate 5 through a bolt; the clamping pneumatic cylinder 12 is fixed on the clamping mechanism mounting plate 13 through two pairs of bolts; the piston of the clamping pneumatic cylinder 12 is fixed together with the clamping hook 14 and the clamping hook 15 by a pair of bolts; the liquid nitrogen tank 2 is hinged with the tank cover 4; a piston of the hydraulic cylinder 3 at the liquid nitrogen tank is nested with a clamping groove on the tank cover 4; the bottom of the cylinder body is hinged with the ear of the liquid nitrogen tank 2; the liquid nitrogen tank 2 is placed in an iron frame in the base frame and is in contact with the ground.

The servo motor 9 drives the coupler 8 to rotate together so as to drive the gear 7 to rotate; the gear 7 is meshed with the rack 6 so as to convert the rotary motion of the gear 7 into the horizontal linear motion of the rack 6; the rack 6 drives the whole rack support plate 5 to do linear motion along a guide rail on the base frame, and a slide rail on the base frame 1 is matched with the lower part of the rack support plate 5 to play a role in guiding; when the rack supporting plate 5 moves to be positioned right above the liquid nitrogen tank 2, the servo motor 9 stops running; the lifting pneumatic cylinder 10 is started to drive the clamping mechanism mounting plate 13 to vertically move downwards; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the iron drum 16; when the iron bucket 16 is completely positioned in the liquid nitrogen tank 2, the lifting pneumatic cylinder 10 stops working; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards the two back directions so as to loosen the iron bucket 16, and the iron bucket 16 is completely sunk into the liquid nitrogen tank 2; the lifting pneumatic cylinder 10 is started and drives the clamping mechanism mounting plate 13 to vertically move upwards, and the lifting pneumatic cylinder stops moving when reaching the highest position; the hydraulic cylinder 3 at the hydraulic tank controls the movement of the piston so as to enable the tank cover 4 to cover the liquid nitrogen tank 2; after a certain freezing time is reached, the hydraulic cylinder 3 at the hydraulic groove controls the movement of the piston so as to open the groove cover 4; the lifting pneumatic cylinder 10 is started and drives the clamping mechanism mounting plate 13 to vertically move downwards until the clamping hooks 14 and 15 are lower than the upper edge of the iron bucket; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the iron drum 16; the lifting pneumatic cylinder 12 is started and drives the clamping mechanism mounting plate 13 to move vertically upwards, the clamping hook 15 is higher than the clamping hook 14 in the horizontal direction, and the barrel mouth inclines downwards when the iron barrel moves upwards so that liquid nitrogen can be completely poured; the servo motor 9 works reversely and drives the gear 7 to move in a meshing way with the rack 6, so that the rack support plate 5 drives the clamping hook 14, the clamping hook 15 and the iron bucket 16 to move reversely; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two back directions so as to loosen the iron bucket 16 and place the iron bucket 16 into the cleaned area; the clamping pneumatic cylinder 12 works and drives the clamping hook 14 and the clamping hook 15 to move towards two back directions so as to loosen the iron bucket 16 and place the iron bucket 16 into the cleaned area; the clamping pneumatic cylinder 12 works to drive the clamping hook 14 and the clamping hook 15 to move towards two opposite directions and clamp the next waste iron bucket, and the batch cleaning treatment of the waste iron buckets is realized by continuous cyclic reciprocation.

The bottom of the liquid nitrogen tank is provided with a certain inclination, and the bottom of the liquid nitrogen tank is also provided with a small wedge-shaped step for guiding.

The horizontal heights of the two clamping hooks are not consistent.

The foregoing detailed description of the preferred embodiments of the invention. It should be understood that numerous modifications and variations could be devised by those skilled in the art in light of the teachings of this invention without undue experimentation. Therefore, the technical solutions available to those skilled in the art through logic analysis, reasoning and limited experiments based on the concepts of the present patent are all within the scope of protection defined by the claims.