CN218838709U - Device for removing internal stress of plastic product through composite ultrasonic-thermal treatment - Google Patents

Abstract

The utility model discloses a device of plastic products internal stress is got rid of in compound supersound-thermal treatment, the device is the supersound airtight water tank of controllable temperature, the box inboard of supersound airtight water tank is provided with electric heating pipe, the outside of box is provided with electron constant temperature accuse temperature appearance and ultrasonic control appearance, the higher authority of box is provided with flip formula opening and closing, supersonic generator is installed to the bottom of box, supersonic generator connects a plurality of ultrasonic transducer, ultrasonic transducer's the other end is connected and is become width of cloth pole, ultrasonic bonding tool is connected to the other end that becomes width of cloth pole, the box inboard is provided with porous partition board and spacing perforated plate, spacing perforated plate movably sets up in porous partition board's top, it is spacing to carry out plastic products. The internal stress removing device of the utility model has simple structure, convenient operation and low equipment cost; under the synergistic action of the ultrasonic waves and the thermal field, the residual stress of the plastic product can be effectively and quickly eliminated without influencing other properties of the plastic product.

Description

Device for removing internal stress of plastic product through composite ultrasonic-thermal treatment

Technical Field

The utility model belongs to the field of plastic product processing, in particular to a device for removing the internal stress of plastic products by composite ultrasonic-thermal treatment.

Background

The plastic products in China are widely applied, the market demand is concentrated on the aspects of packaging plastic products, building plastic products (plastic pipe fittings, floors and the like), industrial traffic, engineering plastic products and the like, and huge downstream industries provide powerful support for the development of the plastic product industry in China. Compared with metal products, plastic products have the advantages of low cost, excellent mechanical properties, strong plasticity and the like, but similar to metal products, the plastic products also generate stress residues after processing, so that the low-temperature brittleness of the products is increased. The reason for this is that, in the plastic processing process, due to the uneven stress field, strain field, temperature field and tissue unevenness, the stress energy retained inside after shaping can cause the product to deform too much or even crack in the use process, which affects the final service performance of the product.

For metal products, several methods for regulating and controlling residual stress are commonly used at present, such as heat treatment, natural placement treatment and vibration treatment. Heat treatment has been widely used to eliminate the internal stress of PP-R pipes (CN 108749045A, CN 102501395B), with good effect, but the method is complicated, low in efficiency and high in cost. The natural placing treatment takes longer to eliminate the residual stress, and is not suitable for plastic products.

The conventional ultrasonic vibration treatment method is a process of applying a specific cyclic load to a metal product for a certain time at a given order of frequency, thereby achieving residual stress homogenization. However, the traditional ultrasonic vibration annealing device has a small action surface, can only act on a certain part of a product firstly, and then realizes the annealing of the whole product through a moving device, so that the treatment efficiency is low and uneven, and the stress of the whole product needs to be quickly eliminated by changing the action mode of the ultrasonic on the product. In addition, although both the single heat treatment and vibration treatment can be used to remove the residual stress of the product, the effect is still not good when the heat treatment or vibration treatment is used alone.

Therefore, aiming at the problems, the device for removing the internal stress of the plastic product through the composite ultrasonic-thermal treatment can achieve the purposes of uniformly and quickly eliminating the residual stress of the plastic product and reducing the cost of the existing annealing process.

SUMMERY OF THE UTILITY MODEL

In view of the above problem, the utility model provides a device for removing the internal stress of plastic products by composite ultrasonic-heat treatment, which solves the technical problems of low efficiency of the traditional treatment mode, poor effect of the single stress removing method and the like.

In order to realize the purpose, the utility model discloses the technical scheme who takes does:

the utility model provides a device of plastic products internal stress is got rid of in compound supersound-thermal treatment, the device is the supersound airtight water tank of controllable temperature, the box inboard of supersound airtight water tank is provided with electric heating pipe, the outside of box is provided with electron constant temperature accuse temperature appearance and ultrasonic control appearance, the higher authority of box is provided with flip formula opening and closing mouth, supersonic generator is installed to the bottom of box, supersonic generator connects a plurality of ultrasonic transducer, the pole that becomes width of cloth is connected to ultrasonic transducer's the other end, ultrasonic bonding tool is connected to the other end that becomes width of cloth pole, the box inboard is provided with porous partition board and spacing perforated plate, the movably setting of spacing perforated plate is in porous partition board's top, it is spacing to carry out plastic products.

As a further technical scheme, a water inlet and a water outlet are further formed in the outer side of the box body, so that water can be conveniently fed and discharged.

As a further technical scheme, an air cylinder is arranged on the outer side of the box body and used for controlling the opening and closing of the flip type opening and closing opening.

As a further technical scheme, the amplitude transformer and the ultrasonic welding head are positioned between the porous partition plate and the bottom of the inner side of the box body.

As a further technical scheme, the electronic constant-temperature controller is electrically connected with the electric heating pipe, and the ultrasonic controller is electrically connected with the ultrasonic generator.

Compared with the prior art, through the utility model discloses technical scheme has following beneficial effect:

a) The internal stress removing device of the utility model has simple structure, convenient operation and low equipment cost;

b) Compared with the traditional ultrasonic cleaning machine which firstly transmits ultrasonic waves into water through an ultrasonic transducer and then through a stainless steel groove wall, the ultrasonic cleaning machine can realize the direct transmission of the ultrasonic waves into the water, and has lower energy loss;

c) The utility model discloses compound supersound-thermal field handles the plastic products after the shaping, can make the remaining internal stress of goods reduce by a wide margin or even eliminate, can effectively solve plastic products's low temperature fragility problem, and other performances of plastic products are not influenced in addition.

Drawings

FIG. 1 is a schematic view of the overall structure of the device of the present invention;

fig. 2 is a front view of the device of the present invention;

fig. 3 is a side view of the inventive apparatus;

FIG. 4 isbase:Sub>A sectional view taken along line A-A in FIG. 3;

in the figure: 1. ultrasonic sealing the water tank; 2. a water inlet; 3. a water outlet; 4. an electric heating tube; 5. an electronic constant temperature controller; 6. an ultrasonic control instrument; 7. a flip open/close port; 8. an ultrasonic generator; 9. an ultrasonic transducer; 10. an amplitude transformer; 11. an ultrasonic horn; 12. a porous separator; 13. a limiting porous plate; 14. a box body; 15. and a cylinder.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1-4, a device for removing internal stress of plastic products by composite ultrasonic-heat treatment. The device is a temperature-controllable ultrasonic closed water tank 1 and comprises a tank body 14 provided with a water inlet 2 and a water outlet 3, the tank body 14 is divided into an inner layer and an outer layer, the inner layer is provided with an electric heating pipe 4, the outer layer is provided with an electronic constant-temperature control instrument 5 and an ultrasonic control instrument 6, and a flip-type opening and closing opening 7 is arranged on the ultrasonic closed water tank 1. The bottom of the inner-layer box body 14 is provided with an ultrasonic generator 8, the ultrasonic generator 8 is connected with a plurality of ultrasonic transducers 9, the other ends of the ultrasonic transducers 9 are connected with an amplitude transformer 10, the other ends of the amplitude transformer 10 are connected with an ultrasonic welding head 11, the ultrasonic welding head 11 is used for transmitting ultrasonic waves, a porous partition plate 12 is further arranged at the lower position of the middle of the inner-layer box body 14, and the amplitude transformer 10 and the ultrasonic welding head 11 are positioned between the porous partition plate 12 and the bottom of the inner-layer box body 14. The middle part and the upper part of the inner layer box body 14 are provided with limiting porous plates 13 for limiting various plastic products. The inner wall of the box body 14 is provided with inserting structures with different heights, so that the inserting and fixing with the limiting porous plate 13 can be realized, the height can be adjusted up and down, and the product is ensured to be below the liquid level.

An air cylinder 15 is provided outside the housing 14, and the air cylinder 15 controls the opening and closing of the flip-type opening/closing port 7.

The utility model discloses an electron constant temperature accuse temperature appearance 5 and 4 electric connection of electric heating pipe, ultrasonic control appearance 6 and 8 electric connection of supersonic generator control the temperature and the supersound in the airtight water tank of supersound 1 respectively.

The utility model discloses a device for removing plastic product internal stress through composite ultrasonic-heat treatment, the concrete operation flow is: a) Firstly, placing a plastic product which is just molded on a porous partition plate 12 at the bottom; b) Then, the plastic product is limited by a movable limiting perforated plate 13, so that the product is positioned on the perforated partition plate and is positioned below the liquid level; c) Controlling the ultrasonic frequency of an ultrasonic generator 8 to be 25-120 kHz, wherein the ultrasonic power adjustment range is determined according to the sizes of products and a box body, controlling the temperature range in an ultrasonic closed water tank 1 to be 20-95 ℃ through an electronic constant temperature controller 5, and keeping the plastic products in the ultrasonic closed water tank 1 for 5 s-30 min; d) And taking out the treated plastic product and naturally cooling the treated plastic product to obtain the plastic product with low temperature brittleness resistance.

The utility model discloses the device, under the synergism of ultrasonic wave and thermal field, can be when not influencing other performances of plastic products, effectively eliminate goods residual stress fast.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims (5)

1. The utility model provides a device that compound supersound-thermal treatment got rid of plastic products internal stress, a serial communication port, the device is controllable temperature's supersound airtight water tank (1), box (14) inboard of supersound airtight water tank (1) is provided with electric heating pipe (4), the outside of box (14) is provided with electronic constant temperature accuse temperature appearance (5) and ultrasonic control appearance (6), the higher authority of box (14) is provided with flip formula open and close mouth (7), supersonic generator (8) are installed to the bottom of box (14), supersonic generator (8) are connected a plurality of ultrasonic transducer (9), amplitude transformer pole (10) is connected to the other end of ultrasonic transducer (9), ultrasonic bonding tool (11) is connected to the other end of amplitude transformer pole (10), box (14) inboard still is provided with porous partition board (12) and spacing perforated plate (13), spacing perforated plate (13) movably sets up in the top of porous partition board (12), carry out spacing to plastic products.

2. The device for removing the internal stress of the plastic product through the composite ultrasonic-thermal treatment as claimed in claim 1, wherein a water inlet (2) and a water outlet (3) are further arranged on the outer side of the box body (14) to facilitate water inlet and water outlet.

3. A device for removing stresses in plastic products by combined ultrasonic-thermal treatment according to claim 1, characterized in that a pneumatic cylinder (15) is arranged outside the box (14), said pneumatic cylinder (15) being used to control the opening and closing of the flap-type opening and closing opening (7).

4. A combined ultrasonic-thermal treatment device for removing stresses in plastic products, as in claim 1, characterized in that the horn (10) and the ultrasonic horn (11) are located between the perforated partition (12) and the bottom inside the tank (14).

5. The device for removing internal stress of plastic products through composite ultrasonic-thermal treatment according to claim 1, wherein the electronic constant temperature controller (5) is electrically connected with the electric heating tube (4), and the ultrasonic controller (6) is electrically connected with the ultrasonic generator (8).

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