CN2070237U

CN2070237U - Bonding device for plastic film

Info

Publication number: CN2070237U
Application number: CN 90216859
Authority: CN
Inventors: 董克俭
Original assignee: BEIJING UNIV OF AGRICULTURAL ENGINEERING
Current assignee: BEIJING UNIV OF AGRICULTURAL ENGINEERING
Priority date: 1990-07-28
Filing date: 1990-07-28
Publication date: 1991-01-30

Abstract

The utility model discloses a bonding device for plastic film, mainly used for the welding process of large-scale plastics films of greenhouse, shed, etc. Because of the problems of wide weld bead, uneven welding strength and high operation technical requirements of the household iron used as a substitution in prior art, the device is provided with an adjusting knob (4) capable of adjusting the position of an electric heating element (1) and two rollers under a housing (3). The utility model adopts the electric heating material DZR as the heating element, the weld width is 30 millimetres at most, the consumed power is 50W, the bonding device for plastic film can weld the plastics film no more than 0.1 millimetre. When the device is used, the plastics film is processed by the electric heating element, rolled by the roller, the weld bead is made even and firm, so that the utility model has the advantages of energy saving, material saving, even welding strength, etc. The device has simple structure and convenience for processing and manufacturing.

Description

The plastic sheeting soldering apparatus

The utility model relates to a kind of plastic sheeting soldering apparatus, belongs to B29, is mainly used in the processing that is connected of large tracts of land plastic sheetings such as covering greenhouse and booth.

Because it is increasingly extensive that greenhouse, booth are used in China, thereby it is also increasing that plastic sheeting is connected the demand of processing.The method of attachment of plastic sheeting, the most convenient, rapid, firm to scald the weldering method.Because the greenhouse is with booth is big with the area that plastic sheeting is connected, seam is long, the connection processing equipment of various plastic membrane products is all inapplicable in present prior art, and people have to substitute instrument with family expenses flatiron (comprising electricity, fiery flatiron).It is longer that it has a weld seam, is convenient to advantages such as execute-in-place, but also have the problem of following several respects: 1, seam is too wide, generally in 100 millimeter, causes the waste of plastic film material; 2, weld seam is inhomogeneous, and when substrate surface has not at ordinary times slightly, the applying degree varies of seam causes, even the local weldering of leaking occurs; 3, operating technology requires highly, and the temperature of flatiron is generally higher, particularly fiery flatiron, and temperature is difficult to grasp, and low seam is not firm, and high scalding easily worn.

The large tracts of land plastic sheeting soldering apparatus that provides a kind of greenhouse, booth to use is provided the purpose of this utility model, can control welding temperature effectively, reduces joint gap and improves welding quality.

The purpose of this utility model is achieved in that and adopts China new science and technology achievement DZR thermo electric material to make thermal element (also can adopt other thermo electric materials certainly), and this device comprises that electric heating element, roller, housing, positioning are turned round, handle, power line, temperature conversion switch and indicator lamp.Its operation principle is that electric heating element is close to by weldering plastic sheeting fracture surface and is moved and be heated, and roller being heated the position rolling, forms even and firm weld seam subsequently.

Electric heating element in this device comprises DZR heating, center hot plate, backplate and connector.Electric heating element can have positioning to turn round according to need of work in when work to be adjusted to three positions, and when electric heating element was in a high position, promptly hot plate lower surface in center was positioned at the roller wheel bearing face when above, is the position of preheating and working clearance; When locating meta, promptly the center hot plate is close to the operating position that the roller wheel bearing face is the welding plastic film; When locating low level, can be used for ironing clothes etc.

This device adopts 220V, 50Hz alternating current, and consumed power is 50w, and the Breadth Maximum of weld seam is 30 millimeters, if weld width can be changed into 20 even 10 millimeters after adding annex, the thickness that is welded plastic sheeting is various 0.1 millimeter and its time.

The advantage of this device is: 1, energy savings, and the power of general electric iron is 300～500w, this device is 50w, only is equivalent to the former 1/6～1/10; 2, economical with materials, the weld seam of electric iron is wide to be generally 100 millimeters, and this device weld seam is wide to be 30 millimeters to the maximum, be less than the former 1/3, every meter long plastic sheeting can increase by 0.12 square metre usable floor area like this, if weld seam reductions to 20 or 10 millimeters, the utilization rate of plastic sheeting is then higher.3, even weld, because roller follows electric heating element heating rolling more later closely, thereby weld seam engages tightly and evenly, do not have the weldering of leakage phenomenon.4, safe and reliable, because the DZR thermo electric material is different from the metallic resistance silk, it is on fire to be difficult for igniting, and serviceability temperature designs at plastic sheeting in addition, and unlikely it is scalded worn.5, one-object-many-purposes, this device not only can be used for welding the plastic sheeting of greenhouse, booth, also can be used for making bag by plastic film, seal and ironing clothes.

Embodiment accompanying drawings of the present utility model is as follows:

Fig. 1 is a plastic sheeting soldering apparatus schematic diagram.

Fig. 2 is electric heating element cutaway view in this device.

(1) among Fig. 1 is an electric heating element, and it is connected on the housing of roller wheel bearing versatilely, is responsible for adopting the DZR thermo electric material to make thermal element to the plastic sheeting heating, and all the other materials are phenoplasts, aluminium alloy plate and general steel plate etc.(2) be roller, each one of front and back, except that playing supporting, front-wheel guiding during work, the trailing wheel rolling can adopt metal or duroplasts to make.(3) be housing, connect roller, electric heating element and handle.(4) turn round for positioning, be used to regulate and control the position of electric heating element.(5) be handle.(6) be power line.(7) be temperature conversion switch, be used to control welding temperature.(8) be indicator lamp, as switching on and finishing the signal that preheating can be started working.

(9) among Fig. 2 are the center hot plate, and (10) are backplate, and (11) are the heatproof insulation board, and (12) are DZR heating (comprising electrode and lead-in wire), and (13) are connector.

Claims

1, a kind of plastic sheeting soldering apparatus, this device have electric heating element (1), housing (3) and handle (5), it is characterized in that having the positioning of adjustable economize on electricity hot body (1) position to turn round (4) and two rollers are housed under housing (3).

2, device according to claim 1 is characterized in that electric heating element (1) comprises center hot plate (9), backplate (10), heatproof insulating material (11), heating (12) and connector (13).