CN102524439A

CN102524439A - Drying screen

Info

Publication number: CN102524439A
Application number: CN2012100115538A
Authority: CN
Inventors: 余少华
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-01-14
Filing date: 2012-01-14
Publication date: 2012-07-04
Anticipated expiration: 2032-01-14
Also published as: CN102524439B

Abstract

The invention belongs to the field of tea production tools and in particular relates to a drying screen for drying tea. The drying screen comprises at least two layers of screen cloths, wherein the layer surfaces of the screen clothes coincide; each screen cloth is correspondingly provided with a closed-ring-shaped frame used for supporting and setting the screen cloth; each screen cloth is matched with the corresponding frame to form a drying screen unit; the surfaces of the screen cloths have a separate or fit position state; the screen clothes are fixed on the frame surfaces on the same side of the frames and correspondingly form screen bottoms; the drying screen units also comprise press strips arranged at the screen bottoms and used for fixing the screen cloths; a dent is arranged in the middle section of the body of each frame; the dent extends along the closed ring direction of each side of the frame and forms a closed-ring-shaped groove; and the press strips correspondingly have closed-ring-shaped appearances and form embedded fixed connection matching with the grooves. The drying screen has the following beneficial effects: the product production precision is high; the tension property of the whole screen cloth is effectively ensured; if the screen is matched with the iron frame, good service life of the screen can be further ensured; and finally the quality of the finished tea product can be greatly improved.

Description

A kind of baking sieve

Technical field

The invention belongs to tealeaves tools field, be specifically related to a kind of baking sieve that is used for drying tea leaves.

Background technology

Oven dry is the important procedure that tealeaves is made, and its main purpose is all about moisture content of place to go tealeaves, reaches tealeaves typing and sludge proof purpose simultaneously.The baking sieve then is widely used in the drying tea leaves operation.The baking sieve is one pair with small one and large one two sieve nests usually; Directly be tiled in the tealeaves after the flattening moulding on the outer sieve nest; Be pressed in the outer sieve nest with interior sieve nest again,, guarantee to dry the flat straight and upright of back tealeaves to utilize the steel-wire screen that coplanar is provided with on the big or small sieve nest superimposed with the clamping of the tealeaves after will flattening; Because be densely covered with hole on the screen cloth, tea moisture distributes through above-mentioned hole, can reach the purpose of about moisture content of place to go tealeaves and typing tealeaves.Mostly existing baking sieve is wooden or iron; Have following defective: at first, influenced by tealeaves moisture and bake out temperature, the baking riddler makes often to have concurrently in the environment moisture and high temperature; And the wooden frame of baking sieve very easily produces wooden loose even deformation under moisture and hot environment; Because the main effect of baking sieve is that when drying tea leaves, being used to clamp blade makes it keep flat pattern, in case the framework of the screen cloth that is used to finalize the design produces deformation, the clamping action that must cause drying by the fire the sieve compass screen surface falls sharply or disappears; Not only influence tea quality, also limited the service life of wooden frame greatly; Secondly; Existing wooden or iron baking sieve, the screw that on its framework, is used for fixing steel-wire screen more or less all can produce loosening with the increase of access times, thereby can't guarantee that screen cloth is in tensioned state constantly; It is mostly Texturized to cause drying back tealeaves, and tea leaf quality significantly reduces; At last, wooden baking sieve is owing to itself material reason, and service life is extremely short, causes changing frequently, and cost has high input, and is difficult to meet the economic profit demand of producer.

Summary of the invention

The purpose of this invention is to provide a kind of baking easy to use sieve, can guarantee all the time that screen cloth is in tensioned state constantly, its long service life, the very reliable and stable of working.

For realizing above-mentioned purpose; The present invention has adopted following technical scheme: a kind of baking sieve; Comprise screen cloth two-layer at least and the superimposed setting of aspect, the equal correspondence of said each layer screen cloth is provided with and is used to support and the loop-like framework of the screen cloth of finalizing the design, and said each screen cloth cooperates with respective frame and constitutes each baking sieve unit; Have between said each screen cloth wire side and separate or two location status of fitting; Said screen cloth is fixed in the same side frame face place and the corresponding formation sieve bottom of framework, and said baking sieve unit also comprises the compression bar that is used for fixing screen cloth that is arranged at the sieve bottom, and the support body stage casing of said each framework is provided with recess; Said recess is postponed and is constituted loop-like groove along each limit closed loop direction of its framework, said compression bar profile is corresponding be loop-like and with groove between constitute embedded affixed the cooperation.

Beneficial effect of the present invention is: tightly compacted through the annular bar; The production precision is high, has effectively guaranteed the tensioning property of its whole screen cloth, no matter access times what; Can guarantee all the time that screen cloth is in tensioned state constantly; As cooperate iron housing, and more can guarantee the service life that it is splendid, finally can greatly promote the raising of tealeaves end product quality.

Description of drawings

Fig. 1 is a Facad structure sketch map of the present invention;

Fig. 2 is the A-A cutaway view of Fig. 1.

Fig. 3 is the rearview of Fig. 1;

Fig. 4 is the front schematic view of interior baking sieve sieve unit bottom;

Fig. 5 is the I part partial enlarged drawing of Fig. 4;

The structural representation of Fig. 6 compression bar.

The specific embodiment

A kind of baking sieve; The screen cloth 11 that comprises two-layer at least and the superimposed setting of aspect; Said each layer screen cloth 11 equal correspondences are provided with and are used to support and the loop-like framework of the screen cloth 11 of finalizing the design, and said each screen cloth 11 cooperates with respective frame and constitutes each baking sieve unit 10, has between said each screen cloth 11 wire side and separates or two location status of fitting; Said screen cloth 11 is fixed in the same side frame face place and the corresponding formation sieve bottom of framework; Said baking sieve unit 10 also comprises the compression bar that is used for fixing screen cloth 11 14 that is arranged at the sieve bottom, and the support body stage casing of said each framework is provided with recess, and said recess is postponed and constituted loop-like groove 15 along each limit closed loop direction of its framework; Said compression bar 14 profiles are corresponding to be loop-like and to constitute embedded affixed cooperations with 15 of grooves, actual shown in Fig. 2-6.

In other words; The present invention within it, outer its each closed loop limit, framework upper edge of drying by the

fire sieve unit

10b, 10a is provided with groove depression and integral body constitutes groove 15; Its groove 15 makes the whole cross section of its framework form fixedly rack and panel construction of similar U type, and 14 of compression bars are to be fixed on the framework for integral solder is behind the annular element that matches with its groove 15 shapes directly along its groove 15 riveted joints or welding or screw; Certainly, said screen cloth 11 can be selected stainless (steel) wire for use, during practical operation; For guaranteeing the fixed effect of its screen cloth 11 on each baking sieve unit, the part edge that is generally earlier screen cloth 11 is fixed in through compression bar 14 on the both sides of its framework, and manual work this moment or equipment are tightened screen cloth 11 along framework sieve bottom surface; Voluntarily through compression bar 14 fixed grits 11 remaining edges, the unnecessary rim charge amputation that again screen cloth 11 is had more because of compression bar 14 compresses gets final product afterwards, reaches each baking sieve unit 10 that structure is produced by the way; Whole compass screen surface is tightened effective; No matter access times what, can guarantee all the time that screen cloth 11 constantly is in tensioned state, iron housing in the cooperation; More can guarantee the service life that it is splendid, use convenient and reliable.

As further preferred version of the present invention: shown in Fig. 1-3; Said screen cloth 11 is stacked two-layer for from top to bottom fitting successively; Said framework comprises outside framework 12 and inner frame 13, and said bottom screen cloth cooperates the outer baking sieve of formation unit 10a with outside framework 12, and said upper strata screen cloth cooperates the interior baking sieve of formation unit 10b with inner frame 13; Baking sieve unit 10b places outside framework 12 to surround in the concave regions that forms in said, and the inboard wall thickness of said interior baking sieve unit 10b is provided with greater than the remainder wall thickness.That is to say that two screen clothes, the 11 surface layer joint places of above-mentioned baking sieve unit have promptly constituted and are used to place the operation interval of waiting to dry tealeaves; In fact, its structure of baking sieve that adopts usually all is the baking sieve unit structure of inside and outside bilayer, and the present invention is merged traditional design, thereby guaranteed that its unitary construction meets actual demand, is accepted by market thereby be convenient to it sooner on the self-technique basis.

Further, said outling of truss is cubic shape, and unit 10b circumferential profile is sieved in said interior baking and outer outside framework 12 inwalls that dry by the fire sieve unit 10a surround the identical setting of the interior all profiles that form.Thereby the path of motion along its compass screen surface direction of baking sieve unit 10b is all limited by the frame inner wall of outer baking sieve unit 10a in guaranteeing; Final inside and outside baking sieve unit 10a in actual use, the position of 10b of guaranteeing is in steady state all the time, avoids when using taking place because of relatively moving of inside and outside

baking sieve unit

10a, 10b cause the rubbing situation of tealeaves.

Further, the cross section that the inner frame 13 of baking sieve unit 10b respectively encircles the limit in said is by the inboard wedge configuration of attenuation gradually laterally.Like this; When outside interior baking sieve unit 10b falls into, drying by the fire in the concave regions of sieving unit 10a; Can effectively guarantee the reliable pressing of inside and outside

baking sieve unit

10b, 10a compass screen surface, at this moment, be positioned at 15 monolateral groove shapes of corresponding formation of the groove structure on the inner frame 13; With guarantee when the actual compression fit of baking sieve its outside trough rim not can with 11 generations of cooperated screen cloth interference, its pressing effect is as shown in Figure 2.

Further; For guaranteeing the reliable fit of each baking sieve unit; The sieve oral area of baking sieve unit 10b is lower than the outer sieve oral area that dries by the fire sieve unit 10a in said, and said baking sieve also comprises gear block 20, and baking is sieved on the inner frame 13 of unit 10b in said gear block 20 hinged being arranged at; Said outer baking sieve unit 10a is provided with spacing slotted eye 16 in the corresponding position of its inboard wall, said gear block 20 constitutes the gear that limits inside and outside

baking sieve unit

10a, 10b position relation with 16 of spacing slotted eyes and cooperates.In fact; After gear block 20 and spacing slotted eye 16 constitute gear pin formulas and cooperate; The path of motion along its compass screen surface direction of interior baking sieve unit 10b is limited by the inwall of the quadro frame of outer baking sieve unit 10a; The path of motion of its vertical compass screen surface direction is then limited with the gear cooperation that spacing slotted eye 16 constituted by the screen cloth of outer baking sieve unit 10a and gear block 20, thereby has guaranteed that finally inside and outside baking sieve unit 10a in actual use, the position of 10b are in steady state all the time; Its spacing slotted eye 16 dries by the fire offering the position and can be determined on a case-by-case basis on the sieve unit 10a frame inner wall outside; Only need satisfy and tighten power and its spacing cooperation under the acting in conjunction at screen cloth 11; The position of baking sieve unit 10b is under the finite-state all the time and gets final product in effectively guaranteeing, the physical location state is can corresponding reference shown in Figure 2; Accordingly, the design of its compact heap 20 or be that wedge shape is block, or be that bar is tabular, only need to realize that its gear function gets final product, just give unnecessary details no longer one by one here.

Further, as shown in Figure 1 for guaranteeing the limit effect of gear block 20, said gear block 20 numbers are that the end, sieve oral area place that unit 10b respectively encircles the limit was sieved in baking at least one pair of and correspondence were arranged in.During actual the use, its number is not limited to logarithm shown in the figure, but two pairs, three pairs of relative set even more, but the perhaps direct equal relative set of all directions up and down.

Further, shown in Fig. 1-2, said baking sieve also comprises wooden outer frame 30, the affixed setting of fitting of said wooden outer frame 30 and outer baking sieve unit 10a circumferential profile.In fact; Specifically being configured to of the wooden outer frame 30 that the present invention adopted: it is tabular that said wooden outer frame 30 is that two and profile all are bar; Its inboard wall is fitted and is fixed in outer baking sieve 10a periphery wall place, unit, and the screen cloth height of projection of said outer baking sieve unit 10a sieve bottom is lower than the maximum height of the side of wooden outer frame 30.Certainly; Affixed mode between its wooden outer frame 30 and outer baking sieve unit 10a periphery wall is numerous; And why adopt above-mentioned structure; Then be consider baking sieve this when reality is used, must carry out the drying tea leaves operation for successively adding up stack, if this is only to rely on the surface of inside and

outside framework

12,13 to dry by the fire the respective surfaces of sieving with other to cooperate; Then must cause each baking sieve to go up 11 the mutual interference of generation of screen cloth that compress dimpling because of gear block 20, thereby finally influence normally carrying out of drying tea leaves; The present invention sieves unit 10a periphery through baking outside and arranges wooden outer frame 30; And the screen cloth height of projection that makes outer baking sieve unit 10a sieve bottom is lower than the maximum height of the side of wooden outer frame 30; Like this; Cooperation between actual each baking sieve is with regard to the conspicuous cooperation that changes between each wooden outer frame 30 each end face, thereby is 11 margin of operation of striving for of each baking sieve screen cloth, finally for what drying tea leaves was operated reliable assurance is provided normally.

Further, said framework material therefor is zinc-plated square tube; Zinc-plated square tube be a kind of be blank with hot rolling or cold-rolling galvanization band steel or zinc-plated roll bending; After cold bend(ing) machine-shaping, be the shaped steel steel pipe of square hollow again through the cross section that high-frequency welding is processed, production and processing is convenient; Its intrinsic material and structure have also effectively guaranteed actual working strength demand; Simultaneously, the barrier layer defencive function of its surperficial zinc is extremely strong, and resistance to corrosion is splendid; Here with it as making the framework material therefor, having guaranteed further satisfies actual needs its service life, also for cleaning of Tea Production reliable assurance is provided simultaneously.

Claims

1. a baking is sieved; The screen cloth (11) that comprises two-layer at least and the superimposed setting of aspect; Said each layer screen cloth (11) all correspondence is provided with the loop-like framework that is used for support and typing screen cloth (11); Said each screen cloth (11) cooperates each baking sieve unit (10) of formation with respective frame, have between said each screen cloth (11) wire side and separate or two location status of fitting, and it is characterized in that: said screen cloth (11) is fixed in the also corresponding formation sieve bottom, same side frame face place of framework; Said baking sieve unit (10) also comprises the compression bar that is used for fixing screen cloth (11) (14) that is arranged at the sieve bottom; The support body stage casing of said each framework is provided with recess, and said recess is postponed and constituted loop-like groove (15) along each limit closed loop direction of its framework, said compression bar (14) profile is corresponding be loop-like and with groove (15) between constitute embedded affixed the cooperation.

2. baking sieve according to claim 1; It is characterized in that: said screen cloth (11) is stacked two-layer for from top to bottom fitting successively; Said framework comprises outside framework (12) and inner frame (13); Said bottom screen cloth cooperates the outer baking sieve of formation unit (10a) with outside framework (12); Said upper strata screen cloth cooperate with inner frame (13) constitute in baking sieve unit (10b), said in baking sieve unit (10b) place outside framework (12) to surround in the concave regions that forms, said in the inboard wall thickness of baking sieve unit (10b) be provided with greater than the remainder wall thickness.

3. baking sieve according to claim 2, it is characterized in that: said outling of truss is cubic shape, and unit (10b) circumferential profile is sieved in said interior baking and outer outside framework (12) inwall that dries by the fire sieve unit (10a) surrounds the identical setting of the interior all profiles that form.

4. baking according to claim 3 sieve is characterized in that: the cross section that the inner frame (13) of baking sieve unit (10b) respectively encircles the limit in said is by the inboard wedge configuration of attenuation gradually laterally.

5. according to claim 2 or 3 or 4 described baking sieves; It is characterized in that: the sieve oral area of baking sieve unit (10b) is lower than the sieve oral area of outer baking sieve unit (10a) in said; Said baking sieve also comprises gear block (20); Said gear block (20) is hinged be arranged on the inner frame (13) of baking sieve unit (10b); Said outer baking sieve unit (10a) is provided with spacing slotted eye (16) in the corresponding position of its inboard wall, constitute between said gear block (20) and spacing slotted eye (16) to limit the gear that inside and outside baking sieve position, unit (10a, 10b) concerns and cooperate.

6. baking sieve according to claim 5 is characterized in that: said gear block (20) number is to dry by the fire the sieve oral area that respectively encircles the limit in sieve unit (10b) at least one pair of and correspondence are arranged in to belong to the end.

7. according to claim 2 or 3 or 4 described bakings sieve, it is characterized in that: said baking sieve also comprises wooden outer frame (30), the affixed setting of fitting of said wooden outer frame (30) and outer baking sieve unit (10a) circumferential profile.

8. baking sieve according to claim 7; It is characterized in that: it is tabular that said wooden outer frame (30) is that two and profile all are bar; Its inboard wall is fitted and is fixed in outer baking sieve periphery wall place, unit (10a), and the screen cloth height of projection of sieve bottom, said outer baking sieve unit (10a) is lower than the maximum height of the side of wooden outer frame (30).

9. according to claim 1 or 2 or 3 or 4 described baking sieves, it is characterized in that: said screen cloth (11) is a stainless (steel) wire.

10. according to claim 1 or 2 or 3 or 4 described baking sieves, it is characterized in that: said framework material therefor is zinc-plated square tube.