CN208437482U - A kind of hydraulic press structure on plate heat exchanger press production line - Google Patents

Abstract

The utility model discloses the hydraulic press structures on a kind of plate heat exchanger press production line, it is characterized by: above-mentioned hydraulic press is mainly made of pre-cut mould, inner guiding post, shaping mould, outer guiding post, pre-cut mould is located at before shaping mould, and wherein inner guiding post and the small edge of a knife outer edge interstice coverage of shaping mould are 0.1~0.2mm；Outer guiding post uses ball guide post, can guarantee that inner guiding post is smoothly oriented to.Raw material are carried out fillet blanking by above-mentioned pre-cut mould, and cut off most of material in later process, 2 rectangle connectors are stayed when blanking, wherein radius of corner size range is 10~30mm, rectangle connector length dimension range is 5~8mm, and rectangle connector width dimensions range is 3~5mm.Copper foil effectively improves production efficiency without exposed extension phenomenon when the utility model can guarantee punching.

Description

A kind of hydraulic press structure on plate heat exchanger press production line

Technical field

The utility model relates to a kind of plate heat exchanger production equipment more particularly to a kind of plate heat exchanger press production lines On hydraulic press structure.

Background technique

Plate heat exchanger is that liquid-liquid, liquid-vapour carry out the ideal equipment of heat exchange, high with heat exchanger effectiveness, The series of advantages such as heat loss is small, advantages of compact and light structure, the small, long service life of occupied area, thus be widely used in metallurgy, The departments such as mine, petroleum, chemical industry, electric power, medicine, food, chemical fibre, papermaking, light textile, ship, heat supply.Also, it can be used for adding The various situations such as heat, cooling, evaporation, condensation, sterilizing, waste heat recycling.

Plate heat exchanger is commonly divided into removable and non-disconnectable formula.Dismountable plate type heat exchanger is mainly by a certain number of Heat exchanger fin (tens to hundreds of), gasket, fixed frame and pressing device (clamping screw and movable pressing board) composition are general It is used as large heat exchanger；Non-disconnectable formula plate heat exchanger is mainly welded by a certain number of heat exchanger fins (several to tens) It forms, is used mainly as medium and small type heat exchanger.Non-disconnectable formula plate heat exchanger is since No. of plates is adjustable, and plate It is maintainable strong, thus its long service life, but since its volume is bigger, thus use scope is smaller, output is smaller.No Welding manner connection is generallyd use between dismountable plate type heat exchanger plate, thus it is maintainable poor, but its is small in size, structure shape Formula is flexible and changeable, thus its use scope is larger, and output is larger.

Welded type plate heat exchanger is commonly divided into half welding type heat exchanger, full welding type heat exchanger, brazing-sheet type heat exchange Device.Since soldering has heating temperature is lower, connector is smooth, tissue and mechanical performance variation are small, workpiece size is accurate etc. Advantage, brazing plate type heat exchanger can be used as condenser and evaporator in refrigeration industry, can be used as alcoholic fermentation etc. in chemical industry The operating temperature range of cooler ... pricker welded type heat exchanger be -160 DEG C~+225 DEG C, working pressure range is 0.5MPa~4.5MPa.

Stainless steel heat exchanger fin is typically passed through leveling, spot welding, oiling, pre-cut, molding, positioning in soldering formula plate heat exchanger Etc. processes rear can enter subsequent processing, it is assumed that foregoing sequence applies that oil mass is uneven, the spot welding time is controlled by being accomplished manually to exist It makes the problems such as improper, production efficiency is lower with yield rate.Thus plate heat exchanger press production line realizes that automation is very It is necessary to.Although there are still use scopes for it currently on the market there are part plate heat exchanger press automatic production line The defects of small.

Utility model content

The technical problem to be solved by the present invention is to exist for common plate heat exchanger press production line and automate The disadvantages of degree is low, use scope is small proposes the hydraulic press structure on a kind of plate heat exchanger press production line.

A kind of hydraulic press structure on plate heat exchanger press production line, above-mentioned hydraulic press mainly by pre-cut mould, inner guiding post, Shaping mould, outer guiding post composition, pre-cut mould are located at before shaping mould, wherein inner guiding post and the small edge of a knife outer edge interstice coverage of shaping mould For 0.1~0.2mm；Outer guiding post uses ball guide post, can guarantee that inner guiding post is smoothly oriented to.

Preferably, raw material are carried out fillet blanking by above-mentioned pre-cut mould, and cut off most of material in later process, are fallen 2 rectangle connectors are stayed when material, wherein radius of corner size range is 10~30mm, rectangle connector length dimension range For 5~8mm, rectangle connector width dimensions range is 3~5mm.

Preferably, above-mentioned shaping mould is by upper mold core, pressure plate, lower mold core, discharge gate, lower edge of a knife mold insert, the upper edge of a knife, nitrogen Spring composition, the blowing pressure of above-mentioned nitrogen gas spring are 14~16MPa；Above-mentioned pressure plate is for installing cutting rectangle connector The upper edge of a knife, pressure plate is higher by 0.4~0.6mm of upper mold core；Above-mentioned lower edge of a knife mold insert is step-like, length of bench size model thereon It encloses for 5~8mm, length dimension range of getting out of a predicament or an embarrassing situation is 10~14mm, and step height is having a size of 4~6mm.

Compared with the prior art, the advantages of the utility model are:

1. in the utility model under shaping mould edge of a knife mold insert be it is step-like, copper foil is existing without exposed extension when can guarantee punching As effectively improving production efficiency.

2. the pressure plate of shaping mould is higher by 0.4~0.6mm of upper mold core in the utility model, stainless steel plate quilt can guarantee Start drawing and forming after completely cutting through again, improves yield rate.

Detailed description of the invention

Fig. 1 is hydraulic press schematic diagram in the utility model, wherein 7.1 being pre-cut mould, 7.2 being inner guiding post, 7.3 being molding Mould, 7.4 outer guiding posts.

Fig. 2 is sheet form schematic diagram after pre-cut in the utility model.

Fig. 3 is shaping mould schematic diagram in the utility model, and wherein 7.3.1 is upper mold core, 7.3.2 is pressure plate, 7.3.3 is Lower mold core, 7.3.4 are discharge gate, 7.3.5 is lower edge of a knife mold insert, 7.3.6 is the upper edge of a knife, 7.3.7 is nitrogen gas spring.

Fig. 4 is lower edge of a knife insert structure schematic diagram in the utility model.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

The utility model proposes the hydraulic press structure on a kind of plate heat exchanger press production line, the particular technique taken Scheme are as follows: it is mainly made of pre-cut mould 7.1, inner guiding post 7.2, shaping mould 7.3 and outer guiding post 7.4, as shown in Figure 1, in wherein Small edge of a knife physical dimension d range is 0.1~0.2mm in guide post 7.2 and shaping mould, and stainless steel plate can be effectively ensured and forming When the small edge of a knife service life and punching quality；Above-mentioned outer guiding post 7.4 uses ball guide post, can guarantee that inner guiding post 7.2 is smoothly oriented to. Raw material are carried out fillet blanking by above-mentioned pre-cut mould 7.1, and cut off most of material in later process, and when blanking is stayed 2 long Rectangular connector, as shown in Fig. 2, wherein the range of radius of corner size h is 10~30mm, rectangle connector length dimension f Range be 5~8mm, the range of rectangle connector width dimensions g is 3~5mm.Above-mentioned shaping mould is by upper mold core 7.3.1, pressure Flitch 7.3.2, lower mold core 7.3.3, discharge gate 7.3.4, lower edge of a knife mold insert 7.3.5, upper edge of a knife 7.3.6, nitrogen gas spring 7.3.7 group At it is rectangular that the excision of stable power can be provided as shown in figure 3, the blowing pressure of above-mentioned nitrogen gas spring 7.3.7 is 14~16MPa Shape connector, above-mentioned pressure plate 7.3.2 are used to install the upper edge of a knife of cutting rectangle connector, and pressure plate 7.3.2 need to be higher by Mold core 7.3.1 can guarantee the rectangle connector for being initially switched off stainless steel plate, then make plate stretch forming.The above-mentioned lower edge of a knife Mold insert 7.3.5 be it is step-like, as shown in figure 4, waste material directly falls when it can guarantee punching, effectively avoid copper foil exposed, influence Production.The range of above-mentioned lower edge of a knife mold insert top bar length dimension i is 5~8mm, and lower edge of a knife mold insert gets out of a predicament or an embarrassing situation length dimension j's Range is 10~14mm, and lower edge of a knife mold insert step height size k is 4~6mm.

The above is only the preferred embodiment of the utility model only, it will be understood by those skilled in the art that not departing from this In the case where the spirit and scope of utility model, various changes or equivalent replacement can be carried out to these features and embodiment.Separately Outside, it under the introduction of the utility model, can modify to these features and embodiment to adapt to particular situation and material Without departing from the spirit and scope of the utility model.Therefore, the utility model is not by specific embodiment disclosed herein It limits, the embodiment within the scope of fallen with claims hereof belongs to the protection scope of the utility model.

Claims (3)

1. the hydraulic press structure on a kind of plate heat exchanger press production line, it is characterised in that: above-mentioned hydraulic press is mainly by pre-cut Mould, inner guiding post, shaping mould, outer guiding post composition, pre-cut mould are located at before shaping mould, wherein inner guiding post and the small edge of a knife outside of shaping mould Edge interstice coverage is 0.1~0.2mm；Outer guiding post uses ball guide post, can guarantee that inner guiding post is smoothly oriented to.

2. the hydraulic press structure on a kind of plate heat exchanger press production line according to claim 1, it is characterised in that: on It states pre-cut mould and raw material is subjected to fillet blanking, and cut off most of material in later process, when blanking stays 2 rectangles to connect Interface, wherein radius of corner size range is 10~30mm, and rectangle connector length dimension range is 5~8mm, and rectangle connects Interface width size range is 3~5mm.

3. the hydraulic press structure on a kind of plate heat exchanger press production line according to claim 1, it is characterised in that: on It states shaping mould to be made of upper mold core, pressure plate, lower mold core, discharge gate, lower edge of a knife mold insert, the upper edge of a knife, nitrogen gas spring, above-mentioned nitrogen The blowing pressure of spring is 14~16MPa；Above-mentioned pressure plate is used to install the upper edge of a knife of cutting rectangle connector, and pressure plate is high 0.4~0.6mm of upper mold core out；Above-mentioned lower edge of a knife mold insert be it is step-like, thereon length of bench size range be 5~8mm, leave office Rank length dimension range is 10~14mm, and step height is having a size of 4~6mm.