CN208978241U - A kind of resistance temperature device of the door seal gum cover extruder of refrigerator - Google Patents

Abstract

The utility model discloses a kind of resistance temperature devices of the door seal gum cover extruder of refrigerator, including extruder barrel and the temperature measuring box being mounted on extruder barrel outer wall, the junction of temperature measuring box and extruder barrel is provided with through-hole, horizontal drive plates are provided in temperature measuring box, limit sliding chutes are provided on two opposite inner walls of temperature measuring box, limit sliding chutes are located at the top of horizontal drive plates, sliding is provided with limiting slide seat in limit sliding chutes, motor fixing seat is connected between two limiting slide seats, the lower end surface of motor fixing seat is provided with driving motor, the output shaft of driving motor straight down and is connected with pushing plate, the lower end surface of pushing plate is vertically arranged with resistance temperature stick, resistance temperature stick is thread through horizontal drive plates, the lower end of resistance temperature stick is extended in extruder barrel by through-hole simultaneously, can be directly protruding into extruder with Material contact, the temperature detected is more intuitive accurate, while can work to avoid extruder is influenced.

Description

A kind of resistance temperature device of the door seal gum cover extruder of refrigerator

Technical field

The utility model relates to refrigerator parts preparation technical field, the electricity of the door seal gum cover extruder of specially a kind of refrigerator Resistive temperature measuring equipment.

Background technique

Plastic extruder also belongs to one of type of plastics machinery.Extruder is according to head stream direction and pitch Head can be divided into right-angle handpiece and bevelling machine head etc. by the angle of line.Screw extruder is the pressure generated by screw rod rotation Power and shearing force can allow material sufficiently to carry out plasticizing and uniformly mixing, be formed by mouth mold.Screw-type extruder Working mechanism be rotated by screw rod caused by pressure and shearing force, material can be allowed sufficiently to carry out plasticizing and uniformly Mixing, is formed by mouth mold；So mixing, a system such as plasticizing and molding can be completed at the same time using an extruder sometimes Column technique, to continuously be produced.Double screw extruder is grown up on the basis of single screw extrusion machine, due to tool There is good charging performance, be kneaded plasticizing capacity, exhaust performance, squeeze out the features such as stability, has been widely used for squeezing at present The processing and forming of product out.

When using extruder, often first the material in extruder is heated, after material is heated to predetermined temperature Extrusion operation is carried out again.It generally requires to carry out material temperature detection before extruder extruded material, but existing extrusion In machine temperature measuring equipment, what is often detected is extruder the inner wall even temperature of outer wall, and detection error is larger, if protruding into extruder The normal work of extruder is influenced whether when inside being detected again.

Summary of the invention

In order to overcome the shortcomings of prior art, the utility model provides one kind and can be directly protruding into extruder and object Material contact, the temperature detected is more intuitive accurate, while will not influence the resistance-type of the double screw extruder of extruder work Temperature measuring equipment can effectively solve the problem of background technique proposes.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of resistance temperature device of the door seal gum cover extruder of refrigerator, including extruder barrel and it is mounted on extruder barrel The junction of temperature measuring box on outer wall, the temperature measuring box and extruder barrel is provided with through-hole, is provided with level in the temperature measuring box Driving plate is provided with limit sliding chutes on two opposite inner walls of the temperature measuring box, and the limit sliding chutes are located at horizontal drive plates Top, sliding is provided with limiting slide seat in the limit sliding chutes, is connected with motor between limiting slide seat described in two and fixes Seat, the lower end surface of the motor fixing seat are provided with driving motor, and the output shaft of the driving motor straight down and is connected with Pushing plate, the lower end surface of the pushing plate are vertically arranged with resistance temperature stick, and the resistance temperature stick is thread through level Driving plate, while the lower end of the resistance temperature stick is extended in extruder barrel by through-hole.

Further, cricoid seal groove is provided on the inner wall of the extruder barrel, the seal groove is looped around through-hole Outside, be provided with sealing ring in the seal groove.

Further, the inner wall of the sealing ring and resistance temperature stick are in close contact, and the sealing ring lower end surface and are squeezed The inner wall of machine barrel flushes out.

Further, thermal insulation layer is provided on the inside and outside wall of the outer wall of the extruder barrel and the temperature measuring box.

Further, the outer surface of the temperature measuring box is provided with heat-insulated rack, is provided with heat shield on the heat-insulated rack, Control chip and display screen are installed, the resistance temperature stick, control chip and display screen are successively electrical on the heat shield It is connected.

Compared with prior art, the utility model has the beneficial effects that

(1) in the present invention, driving motor, which rotates forward, will drive resistance temperature stick and moves downward, and make resistance-type Extruder barrel is inserted by through-hole in the lower end of tempilstick, and the material directly contact in extruder barrel, to make the temperature detected It is more accurate, promote detection accuracy；

(2) temperature measuring equipment of the utility model weight uses between the heating and extrusion of material, at this time extruder inner screw Rotation is not had started, so resistance temperature stick, which protrudes into, will not influence screw rod in extruder barrel, but when extruder starts extrudate When material, screw rod start turning, the resistance temperature stick in extruder barrel just will affect the normal operation of extruder.In order to keep away The generation for exempting from above situation, after the completion of temperature detection, driving motor will be rotated backward, to drive on resistance temperature stick Rise, until resistance temperature stick lower end surface it is parallel with the inner wall in extruder barrel, both will not influence in this way the rotation of screw rod with And the flowing of material, and extruder barrel can be flowed out from through-hole to avoid material.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the utility model.

Figure label:

1- extruder barrel；2- temperature box；3- through-hole；4- horizontal drive plates；5- limit sliding chutes；6- limiting slide seat；7- motor is solid Reservation；8- driving motor；9- pushing plate；10- resistance temperature stick；11- seal groove；12- sealing ring；13- thermal insulation layer；14- every Heat supply network frame；15- heat shield；16- controls chip；17- display screen.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figure 1, the utility model provides a kind of resistance temperature device of the door seal gum cover extruder of refrigerator, packet The junction of the temperature measuring box 2 for including extruder barrel 1 and being mounted on 1 outer wall of extruder barrel, the temperature measuring box 2 and extruder barrel 1 is set It is equipped with through-hole 3, horizontal drive plates 4 are provided in the temperature measuring box 2, are provided on two opposite inner walls of the temperature measuring box 2 Limit sliding chutes 5, the limit sliding chutes 5 are located at the top of horizontal drive plates 4, and sliding is provided with limit and slides in the limit sliding chutes 5 Seat 6 is connected with motor fixing seat 7 between limiting slide seat 6 described in two, and the lower end surface of the motor fixing seat 7 is provided with drive Dynamic motor 8, the output shaft of the driving motor 8 straight down and are connected with pushing plate 9, and the lower end surface of the pushing plate 9 is vertical It is provided with resistance temperature stick 10, the resistance temperature stick 10 is thread through horizontal drive plates 4, while the resistance temperature The lower end of stick 10 is extended in extruder barrel 1 by through-hole 3.

In the present invention, resistance temperature stick 10 is the component with material directly contact in extruder barrel 1, in order to keep away Exempt from the work that resistance temperature stick 10 hampers double screw extruder, the utility model makes following setting: since motor is fixed The both ends of seat 7 are separately fixed in two limiting slide seats 6, and limiting slide seat 6 is merely able to slide up and down in limit sliding chutes 5, so Motor fixing seat 7 also can only just be slided up and down and can not be rotated, to limit the driving motor being mounted in motor fixing seat 7 8 moving direction, the resistance temperature stick 10 that just will drive pushing plate 9 when driving motor 8 works and be mounted in pushing plate 9 Rotation, due to being threadedly coupled between resistance temperature stick 10 and horizontal drive plates 4, and horizontal drive plates 4 are kept fixed, so working as When resistance temperature stick 10 rotates, resistance temperature stick 10 can also move up and down.In the mistake that resistance temperature stick 10 moves up and down Cheng Zhong also will drive the up and down motion of pushing plate 9, driving motor 8, motor fixing seat 7 and driving motor 8.

It is silent in above description to be, by controlling the rotation direction of driving motor 8, it can be realized and resistance-type is surveyed The descending operation of warm stick 10.When needing using resistance temperature stick 10 to carry out temperature detection, driving motor 8 rotates forward band Dynamic resistance temperature stick 10 moves downward, and so that the lower end of resistance temperature stick 10 is inserted into extruder barrel 1 by through-hole 3, to realize Detection to 1 internal material temperature of extruder barrel.Since the lower end of resistance temperature stick 10 in the utility model is stretched when in use Enter inside extruder barrel 1, is directly contacted with material in extruder barrel 1, therefore temperature detected is temperature of charge, and It is not the temperature of 1 inner wall of extruder barrel, therefore detected data are more intuitive accurate.

When using extruder, often first the material in extruder is heated, after material is heated to predetermined temperature Extrusion operation is carried out again, and the temperature measuring equipment in the present invention works between above-mentioned two process, for whether detecting material Reach predetermined temperature.Screw rod when due to detection temperature in extruder does not have started rotation, so resistance temperature stick 10 protrudes into It will not influence screw rod in extruder barrel 1, but when extruder starts extruded material, when screw rod starts turning, be located in extruder barrel 1 Resistance temperature stick 10 just will affect the normal operation of extruder.In order to avoid the generation of above situation, when temperature detection is complete Cheng Hou, driving motor 8 will rotate backward, to drive resistance temperature stick 10 to rise, until under resistance temperature stick 10 End face is parallel with the inner wall in extruder barrel 1, not only will not influence the rotation of screw rod and the flowing of material in this way, but also can be to avoid Material flows out extruder barrel 1 from through-hole 3.

As shown in Figure 1, in the present invention, cricoid seal groove 11, institute are provided on the inner wall of the extruder barrel 1 State the outside that seal groove 11 is looped around through-hole 3, be provided with sealing ring 12 in the seal groove 11, the inner wall of the sealing ring 12 with Resistance temperature stick 10 is in close contact, and 12 lower end surface of sealing ring is flushed with the inner wall of extruder barrel 1, the extruder barrel 1 Outer wall and the temperature measuring box 2 inside and outside wall on be provided with thermal insulation layer 13, the outer surface of the temperature measuring box 2 is provided with heat-insulated Rack 14 is provided with heat shield 15 on the heat-insulated rack 14, and control chip 16 and display screen are equipped on the heat shield 15 17, the resistance temperature stick 10, control chip 16 and display screen 17 are successively electrical connected.

In the present invention, control chip 16 is using common AT89C51 single-chip microcontroller on the market, no special to want It asks, resistance temperature stick 10 processes the information detected and passes to control chip 16, and control chip 16 is to information note memory processing And judgement, and control display screen 17 is shown into temperature registration.Since extruder internal temperature is higher, chip 16 and display are controlled If screen 17 is mounted on inside extruder or will affect on table wall its service life, therefore control chip 16 and display screen 17 are installed It is separated in the outside of extruder barrel 1, and by heat-insulated rack 14 and heat shield 15, further avoids high temperature to control chip 16 And the influence of display screen 17.

It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this is practical new in other specific forms Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this is practical new The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing for the equivalent requirements of the claims will be fallen in All changes in justice and range are embraced therein.It should not treat any reference in the claims as limiting Related claim.

Claims (5)

1. a kind of resistance temperature device of the door seal gum cover extruder of refrigerator, it is characterised in that: including extruder barrel (1) and peace Temperature measuring box (2) on extruder barrel (1) outer wall, the temperature measuring box (2) and the junction of extruder barrel (1) are provided with through-hole (3), it is provided with horizontal drive plates (4) in the temperature measuring box (2), is provided on two opposite inner walls of the temperature measuring box (2) Limit sliding chutes (5), the limit sliding chutes (5) are located at the top of horizontal drive plates (4), sliding setting in the limit sliding chutes (5) Have limiting slide seat (6), is connected between limiting slide seat (6) described in two motor fixing seat (7), the motor fixing seat (7) Lower end surface be provided with driving motor (8), the output shaft of the driving motor (8) straight down and is connected with pushing plate (9), institute The lower end surface for stating pushing plate (9) is vertically arranged with resistance temperature stick (10), and the resistance temperature stick (10) is thread through water Flat driving plate (4), while the lower end of the resistance temperature stick (10) is extended in extruder barrel (1) by through-hole (3).

2. a kind of resistance temperature device of the door seal gum cover extruder of refrigerator according to claim 1, it is characterised in that: It is provided with cricoid seal groove (11) on the inner wall of the extruder barrel (1), the seal groove (11) is looped around the outer of through-hole (3) Portion, the seal groove (11) is interior to be provided with sealing ring (12).

3. a kind of resistance temperature device of the door seal gum cover extruder of refrigerator according to claim 2, it is characterised in that: The inner wall of the sealing ring (12) and resistance temperature stick (10) are in close contact, sealing ring (12) lower end surface and extruder barrel (1) inner wall flushes.

4. a kind of resistance temperature device of the door seal gum cover extruder of refrigerator according to claim 1, it is characterised in that: Thermal insulation layer (13) are provided on the outer wall of the extruder barrel (1) and the inside and outside wall of the temperature measuring box (2).

5. a kind of resistance temperature device of the door seal gum cover extruder of refrigerator according to claim 1, it is characterised in that: The outer surface of the temperature measuring box (2) is provided with heat-insulated rack (14), is provided with heat shield (15), institute on the heat-insulated rack (14) It states and control chip (16) and display screen (17) is installed on heat shield (15), the resistance temperature stick (10), control chip (16) and display screen (17) is successively electrical connected.