CN102907512A

CN102907512A - Supporting frame for baking sieve

Info

Publication number: CN102907512A
Application number: CN2012104582093A
Authority: CN
Inventors: 梅为民
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-11-14
Filing date: 2012-11-14
Publication date: 2013-02-06
Anticipated expiration: 2032-11-14
Also published as: CN102907512B

Abstract

The invention belongs to the field of tea making tools and especially relates to a supporting frame for a tea baking sieve skeleton. The shape of the supporting frame provided by the invention is a planar framework, the plane on one side of the supporting frame forms a fixing surface used for paving and fixing screen cloth, a recess used for matching with a pressing strip to press the screen cloth is concavely arranged on the fixing surface, the recess is arranged along the length direction of the framework-shaped supporting frame, limiting parts are convexly arranged on the groove wall on at least one side of the recess, and the limiting parts are discontinuously or continuously arranged along the length direction of the recess; and the matching sites of the limiting parts and the pressing strip form gear matching relation. The supporting frame provided by the invention is simple in integral structure and convenient to use and is capable of effectively avoiding the phenomenon of deformation of the pressing strip and the screen cloth caused by long-time use of the baking sieve so as to greatly prolong the service life of the baking sieve.

Description

A kind of baking sieve bracing frame

Technical field

The invention belongs to tealeaves tools field, be specifically related to a kind of baking sieve bracing frame of using for tealeaves baking sieve skeleton frame.

Background technology

Oven dry is the important procedure that tealeaves is made, and its main purpose is place to go tealeaves all moisture content inside and outside, reaches simultaneously tealeaves typing and sludge proof purpose.The baking sieve then is widely used in the drying tea leaves operation.The structure of baking sieve mainly comprises some layers of screen cloth of the superimposed setting of its surface layer, during practical application, place tea clamp between the two-layer screen cloth and place the dryer training to dry by the fire and get final product, owing to being densely covered with hole on the screen cloth, tea moisture distributes by above-mentioned hole, can reach place to go tealeaves inside and outside moisture content and the typing tealeaves purpose.The bracing frame that is used for support and typing screen cloth on the baking sieve mostly is wooden or iron at present, affected by Measuring Moisture Content of Tea and bake out temperature on the one hand, often have moisture and high temperature concurrently in its bracing frame working environment, and wooden bracing frame very easily produces wooden loose even deformation under moisture and hot environment, because the Main Function of bracing frame is that being used for clamping blade when drying tea leaves makes it keep flat pattern, produce deformation in case be used for the bracing frame of typing screen cloth, must cause drying by the fire sieve falls sharply with the clamping action of bracing frame compass screen surface or disappears, not only affect tea quality, also limited greatly the service life of wooden bracing frame; On the other hand, iron bracing frame is longer service life, yet too heavy again, often affects operating personnel's operating efficiency, and then has also just limited the production efficiency of tealeaves, because its making precision is lower, has affected greatly the yield rate of tealeaves simultaneously; At last, itself there are a large amount of natural dimpled grains in wooden bracing frame, in use unavoidably produces again the scraping recess, very easily hold dirt, and common iron bracing frame gets rusty very easily also under hygrothermal environment, does not all meet the demand that cleans that tealeaves is made.

In view of the foregoing, the name of the artificial remaining few China of application is called " a kind of baking sieve ", and (patent No.: following technical scheme has been announced in application for a patent for invention 201210011553.8): as Figure 1-3, the screen cloth a that comprises two-layer at least and the superimposed setting of aspect, the equal correspondence of described each layer screen cloth a is provided with the loop-like bracing frame b for support and typing screen cloth, described each screen cloth a cooperates each baking sieve unit of formation with respective support frame b, have between described each screen cloth a wire side and separate or two location status of fitting, screen cloth a is fixed in same side frame face place and the corresponding formation sieve bottom of bracing frame b, baking sieve unit also comprises the compression bar c that is used for fixed grit a that is arranged at the sieve bottom, the support body stage casing of described each bracing frame b is provided with groove e, groove e is postponed and is consisted of loop-like groove along each limit closed loop direction of its bracing frame, compression bar c profile is corresponding be loop-like and with groove e between consist of embedded affixed the cooperation; Simultaneously, be to guarantee the face applying degree between the screen cloth on each baking sieve unit, the cross section setting of its bracing frame b is by the inboard Wedge-shape structures of attenuation gradually laterally.Said structure no doubt passes through the tightly compacted of annular bar, thereby effectively guaranteed the tensioning of its whole screen cloth, yet, the defective of its existence still can't neglect: at first, because the compression bar in the said structure and the matching relationship between the bracing frame groove are the screw fit structure, also namely rely on the successively spaced apart screw division f of direction of postponing along the annular bar, also it follows closely the groove bottom land at bracing frame the most at last to make screw division f pass compression bar, above-mentioned fit system between annular bar and bracing frame groove, need in theory the screw division that is arranged on the compression bar The more the better, thereby can make screen cloth uniform stressed and final its smooth fixedly purpose that realizes, in case the screw division number is very few, cause its each person's spacing excessive, tend causes being subjected under the effect of thermal deformation iso-stress the laying flatness of screen cloth itself to be changed at screen cloth clamping force and even bracing frame self, finally affects the compacting dries quantity of tealeaves; Secondly, the intensity of bracing frame also is the factor of the utmost importance that concerns its service life, and the hollow-core construction of traditional bracing frame has no doubt guaranteed the frame strength that baking is sieved to a certain extent, but still slightly inadequate; At last, because baking sieve itself is divided into interior outer support frame, tighten inside and outside screen cloth and rely on fitting tightly between two screen clothes to realize that it compresses purpose with dependence, thereby realize its drying effect by the heating to the interior screen cloth at its inner support frame place, it all is the plane contact structure between traditional interior outer support frame, very easily cause when heating baking sieve its heat be directly conducted to the outer support frame place, cause the outer support frame heat too high on the one hand, when taking, the staff has potential safety hazard, on the other hand, a large amount of conduction of heat and distributing on the outer support frame, also just in a disguised form weakened the heat on the screen cloth, thereby greatly reduce its heat utilization rate, these bring very big puzzlement all for staff's real work.

Summary of the invention

The baking sieve that the purpose of this invention is to provide a kind of simple in structure and long service life use bracing frame, can effectively avoid drying by the fire compression bar and the screen cloth metaboly that sieve produces because of for a long time use.

For achieving the above object, the present invention has adopted following technical scheme: a kind of baking sieve bracing frame, the support frame as described above profile is the plane framework shape and the one side plane is configured for laying and the stationary plane of fixed grit, be concaved with on the described stationary plane for cooperate the groove that compresses screen cloth with compression bar, this groove is along the setting of postponing of the length direction of frame-like bracing frame, described groove convexes with limiting section at its at least one side channel wall, and described limiting section is along groove length Directional discontinuity or continuous the layout; With it cooperation place on described limiting section and the compression bar consists of the gear matching relationship.

Beneficial effect of the present invention is: what the present invention had walked to take off traditional baking sieve does not pay attention to the conventional mistaken ideas that compression bar cooperates with bracing frame, by changing the structural style of bracing frame upper groove, itself and compression bar are fitted each other, simultaneously, rely on the setting of limiting section, thereby compression bar is fixed on the baking sieve bracing frame along assigned direction and position all the time.Like this, during actual the use or directly adopt the limiting section bar that is fixed and clamped separately, or the screw division that adopts limiting section to add to arrange at a certain distance is dual fixing, or adopt the compression bar sidepiece arrange limit notch with and limiting section between consist of the inlay card relation, or directly with between the limiting section bottom form gear and cooperate the equal even tiling effect that can realize for screen cloth by the compression bar upper surface; Even after the long-time use of baking sieve, owing to being confined to compression bar straightened condition all the time, limiting section make it be difficult to produce as moved by the warpage single-candidate outward, its overall structure simply is convenient to realize, can effectively avoid drying by the fire sieve because of long-time compression bar and the screen cloth metaboly that produces that use, also can be greatly improved its service life.

Description of drawings

Fig. 1 is the Facad structure schematic diagram of tradition baking sieve;

Fig. 2 is the rearview that tradition baking sieve inner support frame and screen cloth cooperate;

Fig. 3 is the A-A cutaway view of Fig. 1;

Fig. 4 is the structural representation behind the assembling baking sieve of the present invention;

Fig. 5 is the cross-sectional view of the compression bar assembling front position state of bracing frame and with it cooperation;

Fig. 6 is the I part partial enlarged drawing of Fig. 5;

Fig. 7 is that two bracing frames after the present invention assembles cooperate schematic diagram.

The specific embodiment

A kind of baking sieve bracing frame, the support frame as described above profile is the plane framework shape and the one side plane is configured for laying and the stationary plane A of fixed grit, be concaved with the groove 10 that compresses screen cloth for cooperating with compression bar on the described stationary plane A, this groove 10 is along the setting of postponing of the length direction of frame-like bracing frame, described groove 10 convexes with limiting section 11 at its at least one side channel wall, and described limiting section 11 is interrupted or continuous the layout along groove 10 length directions; With it cooperation place on described limiting section 11 and the compression bar consists of the gear matching relationship.

Further be, described limiting section 11 to groove 10 bottom land minimum spacings are less than or equal to compression bar thickness and screen cloth thickness sum that matches with it, and the minimum spacing of two limiting sections 11 on 10 liang of cell walls of described groove is less than the thickness sum of compression bar width with the screen cloth that matches; Or one on the side channel wall limiting section 11 to the minimum spacing of its opposite side cell wall less than the thickness sum of compression bar width with the screen cloth that matches.Its practical structures is shown in Fig. 4-7, and in fact, what the present invention had walked to take off traditional baking sieve does not pay attention to the conventional mistaken ideas that compression bar cooperates with bracing frame; By changing the structural style of bracing frame upper groove 10, make between itself and the compression bar c to fit each other.Simultaneously, rely on the setting of limiting section 11, thereby compression bar c can be fixed on the baking sieve bracing frame along assigned direction and position.Like this, with the time or caliper brake structure by limiting section 11 directly realize fixing separately for compression bar c; Or at first after arranging screen cloth a, stationary plane embeds again compression bar c, adopt at last the affixed mode of screw thread of the screw division f that arranges at a certain distance along compression bar c length direction, realize fixing for the secondary of compression bar c, finally guarantee the even tiling effect for screen cloth.Even the present invention is after the long-time use of baking sieve, because limiting section 11 is all the time with compression bar c inlay card and be limited in straightened condition, even compression bar c produces the phenomenon that gets loose when work, because limiting section 11 is described above near the setting of groove 10 notch places, thereby make it be difficult to produce as moved by the warpage single-candidate outward, and then also just guaranteed the use planarization of the fixing screen cloth a that fits with it.Overall structure of the present invention simply is convenient to realize, can effectively avoid drying by the fire sieve because of long-time compression bar and the screen cloth metaboly that produces that use, and also can be greatly improved its service life.

As the present invention further optimization scheme: convex with wear-resisting rib 12 or wear-resisting salient point on described groove 10 cell walls, described wear-resisting rib 12 or wear-resisting salient point are a plurality of and along the setting of postponing of groove 10 cell wall directions; Described wear-resisting rib 12 or wear-resisting salient point profile are the semi-cylindrical structure simultaneously.In fact, for ease of making, also guarantee simultaneously its result of use, can adopt wear-resisting rib 12 structures as shown in the figure during use more, also being wear-resisting rib 12 arranges for can be many of be arrangeding in parallel and its length direction or being parallel to groove 10 flute length directions, also or intersect at its flute length direction all can so that it satisfies the interlock effect for compression bar; Because this moment, its wear-resisting rib 12 also just consisted of the tooth engaged that is used for interlock inlay card compression bar c sidewall, compression bar c also can use the wooden compression bar that is easy to produce distortion during use, guarantees further on the basis of aforementioned limiting section 11 and screw division f that finally compression bar c is in constant position relationship all the time; The semi-cylindrical structure of wear-resisting rib 12, then be to consider the convenience when itself making and the practicality when using, certainly, the laciniation of also can the use shown in Fig. 5-7 during actual the use toppling over to groove 10 bottom land directions etc. are just given unnecessary details herein no longer one by one.

Further, bracing frame and groove structure are described as follows herein:

Support frame as described above is cross section for the cubic annular frame shape of " recessed " font, such as Fig. 4-5 and shown in Figure 7, and the annular of described groove 10 for postponing and arrange along its circumferential direction, stationary plane is positioned at a wherein side of " recessed " shaped support frame and arranges; Side height on described " recessed " shaped support frame arranges greater than its another side height, and described limiting section 11 is positioned at the upper side cell wall place of bracing frame upper groove 10 two side ends and arranges continuously along groove 10 length directions.

In fact, also can find out from Fig. 1-3 that this case provides, the arranged direction of traditional baking sieve stationary plane is substantially identical with this case, though the inboard end of its " recessed " shaped support frame as layout screen cloth stationary plane, this point need not to state more.In addition, above-mentioned inboard end and outboard end mainly take its groove 10 as division limits: the connecting ring connected in star 10 interior rings on the bracing frame also are that hold for it is inboard on the plane at inboard cell wall place, accordingly, connecting ring connected in star 10 outer shroud places also is that the plane at its cell wall place, outside namely consists of outboard end; Or say, " recessed " font two tops of bracing frame, a top that is positioned at annular groove 10 inboards is inboard end, a top that is positioned at annular groove 10 outsides is outboard end.The present invention selects relatively high side to arrange the design of limiting section 11 by above-mentioned two side ends place, thus guarantee in use two match bracing frame also namely in the screen cloth of outer support frame can accurately be laminated, guarantee that finally it becomes the tea quality.

Further, consider the low efficiency problem of present screen cloth, the present invention does following improvement: the mating surface place indent that is used for fitting with other bracing frames on the bracing frame is provided with deep-slotted chip breaker 20, and the arranged direction of described deep-slotted chip breaker 20 is the setting of postponing along the bracing frame length direction; Or for support frame as described above its inside and outside side-walls be provided with and be the deep-slotted chip breaker 20 that inner concavity is arranged, the arranged direction of described deep-slotted chip breaker 20 is settings of postponing along the bracing frame length direction, reality is such as Fig. 5 and shown in Figure 7.Like this, on the one hand, the realization of said structure, make the binding face place of two bracing frames that match of baking sieve no longer be completely face fit-state, but similar line shown in Figure 7 contact or some contact condition have been formed, thereby guaranteed when effectively increasing support frame structure intensity, to have guaranteed to be positioned at the outer support frame in the outside for effective shielding purpose of inner support frame conduction heat energy, to guarantee in use no longer too much being wasted of heat energy, finally with its heat utilization rate of very big raising; On the other hand, when inside and outside side-walls all arranges deep-slotted chip breaker 20 at bracing frame, its what is called " mating surface " locates still to can be used as the shielding construction use of shielding heat energy, and the deep-slotted chip breaker 20 of another side-walls of its relative engagement face, then can be used as at ordinary times be convenient to take the grip part of baking sieve bracing frame, more can further each outer chamfering all be rounding with it during use, thereby in the gripping feel of being convenient to guarantee when people grip human body.

Further, described " recessed " shaped support frame inner chamber place is furnished with for the reinforcement gusset 30 of strengthening its intensity; Be specially: described reinforcement gusset 30 cross sections are " ten " font or " two " font and one bar gusset plate face overlaps the 10 bottom land settings of bracing frame upper groove, strengthen gusset 20 along the bracing frame length direction layout that postpones.Why said structure is set, mainly is and considers that bracing frame mostly is such as Fig. 3 or groove tubulose section bar shown in Figure 7, high-strength metal is made even itself adopt the light weight such as aluminium alloy, still may have the problem of working strength.Arrange by the cast inner chamber place with its " recessed " shaped support frame herein and strengthen gusset 30, thereby the reinforcement structure by its gusset further strengthens working strength of the present invention, it improves structure as shown in Figure 7, arrange " two " font reinforcement and inner support frame layout " ten " font reinforcement by outer support frame, to realize its intensity effect; Its overall structure is simple and practical, and functional reliability is high again, achieves many things at one stroke.

Claims

1. a baking is sieved and is used bracing frame, the support frame as described above profile is the plane framework shape and the one side plane is configured for laying and the stationary plane of fixed grit, be concaved with the groove (10) that compresses screen cloth for cooperating with compression bar on the described stationary plane, this groove (10) is along the setting of postponing of the length direction of frame-like bracing frame, it is characterized in that: described groove (10) convexes with limiting section (11) at its at least one side channel wall, and described limiting section (11) is interrupted or continuous the layout along groove (10) length direction; With it cooperation place on described limiting section (11) and the compression bar consists of the gear matching relationship.

2. bracing frame according to claim 1, it is characterized in that: described limiting section (11) to groove (10) bottom land minimum spacing is less than or equal to compression bar thickness and screen cloth thickness sum that matches with it, and the minimum spacing of two limiting sections (11) on described groove (10) two cell walls is less than the thickness sum of compression bar width with the screen cloth that matches; Or one on the side channel wall limiting section (11) to the minimum spacing of its opposite side cell wall less than the thickness sum of compression bar width with the screen cloth that matches.

3. bracing frame according to claim 2 is characterized in that: convex with wear-resisting rib (12) or wear-resisting salient point on described groove (10) cell wall, described wear-resisting rib (12) or wear-resisting salient point are a plurality of and along the setting of postponing of groove (10) cell wall direction.

4. bracing frame according to claim 3, it is characterized in that: described wear-resisting rib (12) or wear-resisting salient point profile are the semi-cylindrical structure.

5. according to claim 1 and 2 or 3 or 4 described bracing frames, it is characterized in that: support frame as described above is cross section and is the cubic annular frame shape of " recessed " font, the annular of described groove (10) for postponing and arrange along its circumferential direction, stationary plane are positioned at a wherein side of " recessed " shaped support frame and arrange; Side height on described " recessed " shaped support frame arranges greater than its another side height, and described limiting section (11) is positioned at the upper side cell wall place of bracing frame upper groove (10) two side ends and arranges continuously along groove (10) length direction.

6. bracing frame according to claim 5, it is characterized in that: the mating surface place indent that is used for fitting with outside other bracing frames on the support frame as described above is provided with deep-slotted chip breaker (20), and the arranged direction of described deep-slotted chip breaker (20) is the setting of postponing along the bracing frame length direction.

7. bracing frame according to claim 5 is characterized in that: support frame as described above its inside and outside side-walls be provided with and be the deep-slotted chip breaker (20) that inner concavity is arranged, the arranged direction of described deep-slotted chip breaker (20) is the setting of postponing along the bracing frame length direction.

8. bracing frame according to claim 5 is characterized in that: described " recessed " shaped support frame inner chamber place is furnished with for the reinforcement gusset (30) of strengthening its intensity.

9. bracing frame according to claim 8, it is characterized in that: described reinforcement gusset (30) cross section is " ten " font or " two " font and one bar gusset plate face overlaps bracing frame upper groove (10) bottom land setting, strengthens gusset (20) along the bracing frame length direction layout that postpones.