CN2197209Y

CN2197209Y - Structure of screen press

Info

Publication number: CN2197209Y
Application number: CN 94214570
Authority: CN
Inventors: 陈东钦
Original assignee: Individual
Current assignee: Individual
Priority date: 1994-06-18
Filing date: 1994-06-18
Publication date: 1995-05-17
Anticipated expiration: 2004-06-18

Abstract

The utility model discloses a late-model structure of screen printing machine. The members of five main parts on the screen printing machine are improved and designed, and the improved five parts are a printing head driving structure, a table trimming structure, a single machine aspiration-aeration two-purpose device, a combined type safety device and a dust-proof guard device. The printing head driving structure is composed of a fixed rail set and a driving set, and a printing head is fixedly connected with the drive seat of the fixed rail set; the table trimming structure comprises an upper seat and a base, on the base, a trimming turning knob is arranged; in the single machine aspiration-aeration two-purpose device, a single aspiration motor is used to carry out alternative aspiration or aeration towards an identical pipeline; the combined type safety device comprises a frame surrounding type guard switch which is composed of an upper lifting guard bar and a lower pressing guard bar; in the dust-proof guard device, a snake abdominal belt is used as a main component to be fixed on the sliding rail of the printing head. The improved screen printing machine has advantages of vibration reducing, simple operation, printed matter with good quality, safety, etc.

Description

Structure of screen press

The utility model relates to a kind of improvement structure of screen printer, is meant the novel structure that a kind of member of five major parts with the wire mark machine is improved.

The main member of general screen printer comprises: (A) print head drive structure; (B) table top micro-regulating structure; (C) unit air sucking and blowing device; (D) combined type safety device; (E) dust cover device.Wherein: (A) print head drive structure: the existing drive mechanism of pneumatic type screen printer on print head, as shown in Figure 1, at printing headstock wallboard (A10) upper limb one group of pneumatic tube seat (A1) is set, two side ends respectively is provided with one group of pneumatic cylinder (A11) respectively in the groove, printing headstock (A2) then is movably arranged on one group of horizontal case rail (A12) of pneumatic tube seat (A1) below, keep a kind of and promote displaced condition about can be laterally, printing headstock (A2) upper limb simultaneously fixedly installs set piece (A13) and upwards stretches in the pneumatic tube groove (A1), two side ends pneumatic cylinder (A11) drives passing in the pneumatic tube seat (A1) to bear, and with this power reach the printing headstock (A2), make printing headstock (A2) be formed on the state that sleeve pipe rail (A12) is gone up left and right sides lateral displacement, reaching the screen painting left and right displacement scrapes and sweeps effect, but, transmission displacement structure so, whole print head relies on movable block (A13) to be subjected to two side pneumatic cylinders (A11) promotion in the pneumatic tube seat (A1) purely, cause its power stable inadequately, influence its reciprocating stroke and produce deviation, for guaranteeing the complete of print range, usually strengthen the propelling movement power of pneumatic cylinder (A11), would rather surpass and can not reach, thereby cause great impulsive contact force, make board must bear bigger vibration, so general pneumatic type screen printer is on printing headstock (A2), cushion gas cylinder pressure (A14) horizontal about one group must be set, use the noise and vibration of offsetting impulsive contact force and reducing bump, but can't eliminate fully, when moving, body still can generation make us insufferable noise and vibration, and printed article can produce suitable resistance when printing, this resistance certainly will influence the stability of print stroke, therefore in high-accuracy printing, never allow this resistance to exist, otherwise press quality can't be normal, moreover, cylinder is in the stroke printing operation of the left and right sides, often because of scraper exchange or half tone action up and down, make the airduct of same source of the gas cause the decompression phenomenon, make air pressure instability in the printing, not only influence printing quality and influence its utilization benefit.

(B) table top micro-regulating structure: be meant the precision adjustment of wire mark board face position, because the tolerance of member or the droop of half tone, when making screen painting, table top wire mark thing may cause a deviation, especially during chromaticity printing, the easier printing quality that has influence on so the fine setting of table top is very important, does not all possess this structure at existing wire mark machine.

(C) unit air sucking and blowing device: at wire mark machine in the past during air-breathing or air blowing motor running, mostly rely on one group of solenoid control, make this air-breathing or air blowing motor bring into play its air-breathing or air blowing effect, but all only limit to specific simple function, same group of motor accomplished had concurrently air-breathing and two kinds of functions of air blowing, so a board must possess air-breathing when blowing two kinds of functions, two groups of motors must be set on unit, but this practice, must increase cost, therefore, general machine on the market avoids above-mentioned situation to take place mostly as far as possible, often at treadmill face lower edge getter device is set, and steadily adsorbs thing to be printed fixing, for chromatography or other accurate printings, seldom even not use blowning installation to make printed article break away from the practice of treadmill after being completed for printing.

(D) combined type safety device: as shown in figure 13, general in the past pneumatic wire mark machine is to prevent the accident of misoperation or the situation of misprint finished product, and in the operating surface outer rim of body treadmill seat (D1), being provided with one group presses by type pressing plate (D10), pressing plate (D10) below is connected one group of microswitch (D20), in the wire mark operating process, as take place improper or object is placed not timing, can in time be retracted in hand on the reciprocating table (D2) by the operator, touch pressing plate (D10) by treadmill seat (D1) outer rim, what make pressing plate (D10) pressure touch micro switch (D20) touches bar (D201), and Switching power makes the upright slide (D3) of body stop down maneuver and change action into, and the thing of avoiding weighing operating personnel or misprint finished product wounded takes place, yet, the set-up mode of this class formation, on the surface or in theory, perhaps can reach its desired effect, but on practical operation is used, but still have many shortcomings not obtain improvement, be summarized as follows:

Its 1, though former times is provided with the device of urgent unexpected control pressing plate with air-driven type wire mark machine, its setting is too simple and crude, when causing and come in contact the shortcoming that bad or operating personnel seek the pressing plate position in a rushly, can't reach the effect of real practicality.

They are 2 years old, former times is to be arranged on the outer edge surface of treadmill seat with presser device, when reciprocating table must penetrate with the body inboard, operating personnel's hand also must deeply be operated thereupon, at this moment, during as interim generation incident, all must rely on operating personnel's hand outside of at once withdrawing, in time press the pressing plate Switching power, could stop upright slide to descend and change rise into, and so draw back one's hand press again by action, for operator's nerves reaction and timeliness, the real test that belongs to a kind of highly difficult technology, not only the inexperienced operator can't accomplish, just is skillful in the technical staff of the industry at last, also often has the thing that meets accident to produce, the safety device of this kind emergent control performs practically no function, and is difficult to bring into play effectively its due effectiveness.

(E) dust cover device as shown in figure 18, does not add guard shield at existing wire mark machine E1 place, makes this whole print head slide up and down rail portion and all exposes, and tool danger when not only making the board operation also subjects to dust and adheres to, and also has influence on overall appearance.

The purpose of this utility model is to overcome the defective that five major part members of above-mentioned existing wire mark machine exist, and a kind of novel wire mark machine with many-sided function is provided, and makes the result of use of wire mark machine more accurate, better.

Above-mentioned purpose is to realize by following technical scheme: this wire mark machine novel structure, be with five major parts on the wire mark machine, comprise: print head drive structure, table top micro-regulating structure, the air-breathing air blowing dual-purpose apparatus of unit, combined type safety device and dust cover device are improved, wherein:

Print head drive mechanism: comprise orbit determination group and transmission group, the location group is made up of high rigidity two guide rails, sliding shoe and drive seat, two guide rail transverse horizontal are arranged at printing headstock wallboard inner edge, and be equipped with on the guide rail that array card is nibbled but the sliding shoe of movable slippage, and in the appropriate location of number sliding shoe, the fixing linking, drive seat, drives seat and fix with print head; Transmission group is made up of one group of power motor, drive, driving belt and belt clamp, motor is fixed on printing headstock wallboard back of the body edge one side, through a perforation axis of rotation is stretched in the wallboard leading edge, drive is set on the axle center, establish corresponding wheel at the wallboard opposite side simultaneously, the closed form driving belt is set on two-wheeled, and appropriate location geometrical clamp unification group belt clamp on the belt, this belt clamp fixedly are connected in a location group drive seat back of the body edge; The overall structure combination is connected in the print head that drives on the seat, to have slide displacement stably, friction and noiselessness when making the transmission group transmission by the location group.

Table top micromatic setting: comprise the seat of honour and base, cephalolateral margin is provided with the fine setting turn-button of dividing right and left on base, the side edge also is provided with a fine setting turn-button, the axle center of turn-button is stretched into the inner correspondence of base and is provided with in the long straight trough hole, the movable block screw connecting sheath is located to be placed in the groove hole simultaneously on the axle center, and in the groove hole, slide, the hinged coordinating block in the movable block top again, and laterally be positioned on the top surface of groove hole, can drive surface, groove hole with movable block and move or rotate certain angle, this coordinating block is provided with corresponding chute fit with bottom surface, the seat of honour, is to be slidingly matched.

The air-breathing air blowing dual-purpose apparatus of unit: be a kind of single air-breathing motor that utilizes, can replace device air-breathing or that blow to same pipeline, it is by one group two identical and symmetrically arranged left and right sides air chamber groups, is furnished with left and right sides valve cylinder respectively, left and right sides filtering bodies and left and right adjusting valve are formed, wherein air chamber group in the left and right sides is provided with air chamber A respectively, air chamber B and air chamber C, and left and right sides air chamber A leading edge is provided with outlet and is connected one group of three-way pipe lower edge two-port, this three-way pipe upper limb single port is attached to the body area of use, left and right sides air chamber C also is provided with outlet respectively and is connected going out in air-breathing motor, air admission hole, and left and right sides air chamber A is provided with valve opening respectively and is communicated with left and right sides air chamber B, left and right sides air chamber B also is respectively equipped with the coherent left and right sides air chamber C of through hole, and two valve cylinder are located at left and right sides air chamber B upper limb respectively, in this space, be provided with respectively can with the left and right sides filtering bodies of external communications, make its valve block can on carry and open valve opening and seal filtering bodies space of living in or press down the sealing valve opening, open filtering bodies space of living in, again the left and right adjusting valve is arranged at the space outer rim of left and right sides air chamber B respectively, to adjust this space of control and outside throughput.During operation, carry on the valve block of right valve cylinder when opening right valve opening and sealing right filtering bodies space of living in, the valve block of left side valve cylinder then presses down the left valve opening of sealing and opens left filtering bodies space of living in, make air-breathing motor carry out air-breathing to three-way pipe upper limb single tube mouth, and left and right sides valve cylinder is exchanged alternate run, and air-breathing motor is blown to same pipeline.Two control valves can be adjusted its turnover tolerance respectively wherein, the suction of overall operation, air-blowing quantity are suitably controlled, and reduced the noise that throughput produces by the array filtering bodies.

The combined type safety device: the combined type frame that is meant a kind of air-compression type wire mark machine encloses type safety guard switching device, its structure comprises to be lifted guard bar and presses down guard bar on one group, lifting guard bar wherein is the combined railings in three limits, the both sides side rod respectively is provided with array strip slotted eye, be connected array tool inclination angle and connecting rod parallel to each other in the slotted eye respectively, connecting rod end in addition then is movably hinged on support arm, and support arm is the parallel structure body that body sideslip seat dual-side is provided with respectively, makes to lift that guard bar becomes that body sideslip seat gusset can touch and the frame that moves is gone along with sb. to guard him cover body; Press down guard bar and be Qian type combination railing, be arranged at three limit peripheries of body reciprocating table operating surface, can be with the reciprocating table advance and retreat same moved further, and with the application point of inner edge pin joint as the lever clinching, make press down guard bar can not only be with reciprocating action and clinching at random; This safety device by on lift guard bar or press down and lift on the guard bar or pressing action, make the microswitch group Switching power of linking, in time stop the upright slide of body to descend and go up to the location, reach safe effect.

The dust cover device: also quite important for the appearance design of whole wire mark machine though the structure of this part is quite simple, this guard shield promptly is with dustproof and double effects attractive in appearance.This device is to utilize the snake abdominal belt as basic building block, have stretch and contraction layer by layer can be overlapping continuous plates, the snake abdominal belt is individually fixed in print head slides up and down track place, two ends up and down, end then is individually fixed on the slip pedestal in addition, when sliding seat slides up and down, guard shield one side of sliding seat upper and lower sides is shunk opposite side and is stretched, and reaches the effect of screening fully.

Description of drawings:

Fig. 1 is existing pneumatic type wire mark machine print head drive mechanism schematic diagram;

Fig. 2 is the stereogram of the utility model drive structure part;

Fig. 3 is the STRUCTURE DECOMPOSITION schematic diagram of the utility model drive structure;

Fig. 4 is arranged at the wire mark board and is connected the movement state diagram that print head moves with the utility model drive structure;

Fig. 5 is overlooking and front elevational schematic of the utility model table top micro-regulating structure;

Fig. 6 is the schematic perspective view of the utility model table top micro-regulating structure;

Fig. 7 is the perspective exploded view of the turn-button part of the utility model table top micro-regulating structure;

Fig. 8 is the stereogram of unit dual-purpose apparatus of the present utility model;

Fig. 9 is the sectional schematic diagram of unit dual-purpose apparatus of the present utility model;

Figure 10 is the simplified diagram that the utility model carries out air-breathing operation;

Figure 11 is the simplified diagram that the utility model is blown and moved;

Figure 12 is the user mode figure that the utility model applies to screen printer;

Figure 13 is the stereogram and the safety device partial enlarged drawing of this existing wire mark machine;

Figure 14 is the stereogram of the utility model safety device;

Figure 15 is the decomposing schematic representation of the utility model safety device;

Figure 16 is the body and the local enlarged side view of the utility model safety device;

Figure 17 is the action schematic diagram of the utility model safety device;

Figure 18 is the schematic perspective view that general wire mark machine is unkitted dust cover;

Figure 19 is the wire mark machine schematic perspective view that adds dust cover.

Below in conjunction with accompanying drawing embodiment of the present utility model is made a detailed description.

Improvement structure of the present utility model comprises five major parts: (A) print head drive structure; (B) table top micro-regulating structure; (C) the air-breathing air blowing dual-purpose apparatus of unit; (D) combined type safety device; (E) dust cover device; Following division is as follows:

(A) print head drive structure: as Fig. 2, shown in 3, its structure comprises orbit determination group (A3) and transmission group (A5) etc., wherein: orbit determination group (A3) is by high rigidity two guide rails of precision (A31), sliding shoe (A32) and drive seat (A33) etc. constitute, be arranged at printing headstock wallboard (A10) inner edge with two guide rails (A31) transverse horizontal, and two guide rails (A31) keep stationary state parallel to each other each other, and be equipped with on the guide rail (A31) that array card is nibbled but sliding shoe (A32) that can free activity slippage, and array sliding shoe (A32) is gone up selection can evenly stressed appropriate location, the fixing linking, drive seat (A33), makes print head be driven to follow about guide rail (A31) by drive seat (A33) and laterally move; Transmission group (A5) is by one group of power motor (A51), drive (A52), driving belt (A53) and belt clamp (A54) etc. constitute, power motor (A51) is fixed in printing headstock wallboard (A10) back of the body edge one side, through a perforation axis of rotation is stretched in wallboard (A10) leading edge, and drive (A52) is set on this axis of rotation, also be provided with the correspondence wheel (A520) of drive (A52) simultaneously at another side of wallboard, one group of closed form driving belt (A53) is set on two-wheeled, go up fixedly clamping belt clamp (A54) of right position in driving belt (A53), when making power motor (A51) left rotation and right rotation, make driving belt (A53) left-right rotation thereupon by drive (A52), and the belt clamp (A54) on the belt (A53) also produces left and right displacement thereupon, again belt clamp (A54) fixedly is connected with drive seat (A33) back of the body edge, makes the displacement of belt clamp (A54) cause stablizing of drive seat (A33) to move simultaneously; The overall structure combination, be orbit determination group (A3) and each part of transmission group (A5) assemble in regular turn finish after, utilize one group of side plate (A101) with outer cover plate (A102) winding on it, dustproof first then increasing in addition modified aesthetic feeling, but it drives seat (A33) and then protrudes in outer cover plate (A102) two acies up and down with the connection terminal, the linking of print head can be provided, make whole drive structure drive the horizontal left and right displacement of print head, as shown in Figure 4, the action of this print head, be with belt (A53) transmission by power motor (A51) running, having no any collision situation takes place, add high rigidity precise guide rail (A31) and cooperate with sliding shoe (A32), make to drive the stressed steady of seat (A33), displacement stroke is also stable, really reach friction, noiselessness and stroke print head are stably back and forth scraped and are swept effect, eliminate the bad defective of existing pneumatic type wire mark machine print head drive mechanism fully, make print head further reach the boundary of high-accuracy quality, the economic benefit of performance Nover practical.

(B) table top micro-regulating structure: as Fig. 5,6, shown in 7, table top on the wire mark machine is divided into the seat of honour (B1) and base (B2), the upper surface at the seat of honour (B1) is in order to place the wire mark thing, the seat of honour (B1) cover is put on the base (B2), be provided with fine setting turn-button (B21) in base (B2), turn-button is located at base (B2) front and side outer rim, turn-button axle center (B211) is inserted into the inner corresponding inner space, groove hole (B212) that is provided with of base (B2), and movable block (B213) is placed in this groove hole (B212), be to move and cooperate, and movable block (B213) is screwed together in axle center (B211), its top is a hinged coordinating block (B214) in addition, coordinating block (B214) then just can be inserted in the inner corresponding chute (B11) in the seat of honour (B1), be and be slidingly matched, (B1) bottom surface appropriate location is provided with a screw (B12) in the seat of honour again, and correspondence is provided with a bigger perforation (B215) on base (B2), but mat bolt handle the bottom of (B2) passes perforation (B215) and screws togather with screw (B12) from the bottom, the seat of honour (B1) and base (B2) is screwed tight be fixed into one.

During the fine setting operation, promptly from perforation (B215) and screw (B12) seat of honour (B1) and base (B2) being screwed tight relation unties, turn turn-button (B21) again, can move by mat coordinating block (B214), drive the seat of honour (B1) displacement, before and after finishing or about adjustment operation, again because coordinating block (B214) is to be hinged on the movable block (B213), and be set up on the groove hole (B212), itself can make angular movement, so when rotating one of in utilizing front side two turn-buttons, the front side two turn-buttons then force-applied rotation of coordinating block (B214) of the setting up angle that tilts then, but both are still for parallel or be straight line relation.

(C) the air-breathing air blowing dual-purpose apparatus of unit: as Fig. 8, shown in 9, its structure is by two identical symmetrically arranged left air chamber groups of second group (C1) and right air chamber group (C2), be equipped with left and right sides valve cylinder (C3) respectively (C4), left and right sides filtering bodies (C5) (C6) and left and right adjusting valve (C7) (C8) etc. form, form one group of symmetrically arranged structure in both sides, wherein: left and right sides air chamber group (C1) (C2) is respectively arranged with air chamber A(C11) (C21), air chamber B(C12) (C22) with air chamber C(C13) (C23), and left and right sides air chamber A(C11) (C21) all there is outlet to be connected one group of threeway h shape pipe (C9) lower edge two-port, this h shape pipe (C9) upper limb single port is attached to the body area that desire is used, and left and right sides air chamber C(C13) (C23) also respectively have outlet to be attached to the venthole (C101) and air admission hole (C102) of one group of air-breathing motor (C10) respectively, and in left and right sides air chamber A(C11) be provided with left and right sides valve opening (C14) in (C21) and (C24) be communicated with left and right sides air chamber B(C12) (C22), left and right sides air chamber C(C13) also be provided with left and right sides through hole (C15) in (C23) and (C25) be communicated with left and right sides air chamber B(C12) (C22), and in left and right sides air chamber B(C12) (C22) upper limb left and right sides valve cylinder (C3) is set (C4), and left and right sides valve cylinder (C3) valve block (C31) (C4) (C41) respectively can on lift from out left and right sides valve opening (C14) (C24), or press down applying sealing left and right sides valve opening (C14) (C24), and at left and right sides air chamber B(C12) (C22) appearance edge right position, be provided with respectively left and right sides filtering bodies (C5) (C6) with left and right adjusting valve (C7) (C8), and left and right sides filtering bodies (C5) (C6) is arranged at left and right sides valve cylinder (C3) the same space (C4) respectively, left and right sides cylinder (C3) valve block (C31) (C4) is lifted from out left and right sides valve opening (C14) on (C41) (C24) time, can seal left and right sides filtering bodies (C5) turnover gas (C6) simultaneously, and left and right adjusting valve (C7) (C8) air inlet and outlet end is set up filtering cloth jar respectively, and be respectively arranged with and adjust button (C71) (C81), adjust left and right sides air chamber B(C12 with control respectively) (C22) turnover tolerance; The overall structure combination, be to utilize h shape three-way pipe (C9) root edge two ends to be connected left and right sides air chamber A(C11) (C21) two outlets, and cooperate one group of air-breathing motor (C10) to left and right sides air chamber C(C13) (C23) outlet, when this device is desired to carry out when air-breathing, as shown in figure 10, lift from out right valve opening (C24) on the valve block (C41) with right valve cylinder (C4), make right air chamber A(C21) with right air chamber B(C22) communicate, and by on the valve block (C41) carried seal the residing space of right filtering bodies (C6), simultaneously, the valve block (C31) of left side valve cylinder (C3) presses down sealing left valve opening (C14), close left air chamber A(C11) with left air chamber B(C12) be communicated with, and open left filtering bodies (C5) space of living in, at this moment, the air admission hole (C102) of air-breathing motor (C10) is connected in right air chamber C(C23) outlet, its venthole (C101) is connected in left air chamber C(13) outlet, and air-breathing motor (10) is air-breathing, make the air-flow of the single mouth of pipe of h shape three-way pipe (C9) upper limb, because of left air chamber A(C11) complete closed is obstructed, must be through right air chamber A(C21), right valve opening (C24), right air chamber B(C22), right through hole (C25) and right air chamber C(C23), enter in the air admission hole (C102) of air-breathing motor (C10), and can adjust button (C81) by the right side of right control valve (C8), appropriateness control open amount size is adjusted the suction size of air-breathing motor (C10) to three-way pipe (C9) upper limb single tube mouth, and the air-flow that enters air-breathing motor (C10) is for motor body, has the effect that cools, by its venthole (C101) air-flow is delivered to left air chamber C(C13 again), left side through hole (C15) and left air chamber B(C12) in, by left air chamber B(C12) left filtering bodies (C5) and left control valve (C7) discharger outside, reach and utilize the inspiratory effects of air-breathing motor (C10) h shape three-way pipe (C9), and air-flow is through the shock absorbing of number filtering bodies in this process, also can reach the effect that reduces noise, as shown in figure 11, when this device desires to blow running, two left and right sides valve cylinder (C3) are alternate run (C4), valve block (C41) with right valve cylinder (C4) presses down sealing right valve opening (C24), make right air chamber A(C21) the formation closed state, open right filtering bodies (C6) and right air chamber C(C23) be communicated with, the valve block (C31) of left valve cylinder (C3) is carried on then and is opened left valve opening (C14), make left air chamber A(C11) with left air chamber B(C12) be communicated with, but carry on it and also seal left filtering bodies (C5) space of living in, at this moment, air-breathing motor (C10) also continues to keep it air-breathing, with air admission hole (C102) to right air chamber C(C23) air-breathing, because of right air chamber A(C21) complete closed, thus unlikely air-breathing to h shape three-way pipe (C9), but air-flow can enter right air chamber B(C22 via right filtering bodies (C6) and right control valve (C8)), right through hole (C25) and right air chamber C(C23) in, blow out for air-breathing motor (C10) institute's inspiration and by venthole (C101), through left air chamber C(C13), left side through hole (C15), left side air chamber B(C12), left side valve opening (C14) and left air chamber A(C11), and blow in the h shape three-way pipe (C9), make three-way pipe (C9) upper limb single tube mouth have the air blowing effect, and this air-blowing quantity also can by two left and right adjusting valves (C7) (C8) appropriateness adjust size, and the turnover gas of air-breathing motor (C10) does not uninterruptedly also have the inaccessible phenomenon that improves temperature of gas, and reaching single air-breathing motor (C10) can be to the same pipeline dual use effect air-breathing or that blow that hockets, and can reduce noise and motor temperature during the course, so this device can be incorporated in general board uses, as shown in figure 12, this unit dual-purpose apparatus is contained in wire mark machine below, and makes h shape three-way pipe (C9) upper limb single tube mouth be attached to the treadmill lower edge with single air-breathing motor (C10) operation continuously, and by the alternating movement (C4) of circuit control left and right sides valve cylinder (C3), can name the wire mark machine treadmill face that is connected h shape three-way pipe (C9), have air-breathing or air blowing etc. is used alternatingly mode, makes thing to be printed on the treadmill face, enjoy by inhale the location with by stripping from firm accurate printing with break away from effect automatically, the unit location that performance is not had so far with break away from function, and this air-breathing motor (C10) again can be because of air-flow effect reduction temperature, and reduces the generation of noise by counting filtering bodies.

(D) combined type safety device: as Figure 14,15, shown in 16, its structure comprises to be lifted guard bar (D5) and presses down guard bar (D6) on one group, wherein, on to lift guard bar (D5) be the combined railings in three limits, respectively be provided with array strip slotted eye (D51) on the side rod of both sides, right position in the slotted eye (D51) is connected an end of array connecting rod (D52) respectively, can adjust the depth that is connected, the end in addition of connecting rod (D52) is then to be movably hinged on support arm (D41), and the assembled state that keeps suitable angle of inclination, and support arm (D41) is provided with parallel structure body respectively for body sideslip seat (D4) dual-side, and in the side that is connected connecting rod (D52), be provided with microswitch group (D20) and approach concavo-convex wheel the (D521) concave edge of connecting rod (D52) hinged end to touch bar (D201) crack, and be somebody's turn to do the relation of " crack is approaching ", for on lift guard bar (D5) concavo-convex wheel the (D521), pressing down the side lever lower edge of guard bar (D6) and the position each other that touches between bar (D201) of microswitch group (D20) concerns, represent that two groups touch bar (D201) though be connected concavo-convex wheel (D521) and the side lever that presses down guard bar (D6) respectively, but be not the state of tight closing, but a kind of fit-state that maintains slight void, can keep supplying when lifting the stressed traction link of guard bar (D5) (D52) with hinged end commentaries on classics alive, can by concavo-convex wheel the (D521) rotate thereupon press microswitch group (D20) touch bar (D201), reach the effect of Switching power, and lifting guard bar (D5) on being somebody's turn to do is on the support arm (D41) that is movably hinged in body, be to hang down by the gravity relation to placing the location at ordinary times, but can keep supplying to lift to cut with scissors to change and press microswitch (D20), and lose and lift when doing, can return the location because of gravity again; Pressing down guard bar (D6) is a combination Qian type railing, be arranged at three limit peripheries of body reciprocating table (D2) operating surface, can be with the advance and retreat of reciprocating table (D2) same moved further, and with the application point of inner edge pin joint as the lever clinching, and be movably hinged medial extremity bar below in it, be provided with microswitch group (D20) and adhere on reciprocating table (D2) limit, and with touch bar (D201) crack, top near (the same relation condition) in the side lever lower edge that presses down guard bar (D6), make and press down any pole face pressurized of guard bar (D6) and produce hinged rotation when downward, all can press microswitch group (D20) and start Switching power, and this presses down guard bar (D6) and is arranged at reciprocating table (D2) lateral margin, the inner edge pin joint is connected the spring hinge key in the reciprocating table, has the effect of pressure by the back elastic recoil.When overall structure is used in combination, adjust connecting rod (D52) earlier and be in position in the hole slot (D51) of lifting guard bar (D5), make and lift the position that guard bar (D5) is wholy set in body, the size that can cooperate wire mark aluminium frame, and can and reciprocating table (D2) and press down guard bar (D6) or treat between the wire mark working substance, have suitable distance, be the space of lifting workpiece, can carry out this workpiece wire mark program; In wire mark carries out, when realizing that temporarily misoperation or object are put positive phenomenon, the operator need not by the hand of drawing back on reciprocating table (D2) table top in the construction, need only be by between arm that protracts or elbow, the part is touched and is lifted guard bar (D5) or press down guard bar (D6), this structure body is produced to be lifted or pressing action, as shown in figure 17, can touch the institute crack approaching touch bar (D201), make upright slide (D3) stop to descend and ging up to the location by microswitch group (D20) Switching power, unlikely generation aluminium frame crushes the situation of operator or misprint workpiece; For preventing that the misoperation of operator own from producing misdeed, can with on lift guard bar (D5) and be designed to the adjustable structure body that encloses the frame size, make it can cooperate the size of wire mark aluminium frame, and adjust the depth that is connected of connecting rod (D52) and hole slot (D51), and press down guard bar (D6) and be arranged at reciprocating table (D2) periphery, just can advance and retreat synchronously with reciprocating table (D2), so when operator's hand protracts with the operation of reciprocating table (D2) advance and retreat, on lift guard bar (D5) and press down guard bar (D6) and also remain in operator's arm limit thereupon, therefore, discover wrong thirty years of age slide (D3) when pressing down as operator nothing itself, in case brush up against operator's hand, must make operator itself produce the action that the vertebra reaction wants to take out hand, and this action must be touched earlier and lifted guard bar (D6) or press down guard bar (D6) body of rod, promptly cause to lift guard bar (D5) or press down guard bar (D6) and press microswitch group (D20), and upright slide (D3) is gone up to the location by microswitch group (D20) Switching power, can prevent that the improper or object of manual operation from putting the error of deviation, than existing safety device structure shown in Figure 13, existing great improved effect, not only avoid the defective of existing article, and can promote its wire mark safety and the effect that reduces defect rate.

(E) dust cover device: be to utilize the snake abdominal belt as basic building block, as shown in figure 19, promptly install the snake belly type guard shield additional in track place (E2), ground track (E2) is located up and down two ends, and each fixes a guard shield, each guard shield end face in addition is fixed on the slip pedestal of print head, promptly form on the track and be provided with other snake belly type guard shield of branch in both sides up and down in sliding seat, then when the sliding seat knee-action, a this guard shield then layback is stretched elongated, opposite side is to shrink and shortens, fully the track protecting cover is lived, and do not influence sliding action fully, reach the effect of safety guard.

In sum, this structure of screen press has the following advantages: after five major parts of screen-printing machine are improved enforcement, can precision control the stroke of print head left and right sidesing shifting, and vibration is reduced as far as possible; But the Precision trimming table top all around or rotational angle, make the screen printed matter quality better, the operation simpler; Can make single air-breathing motor carry out air-breathing to same pipeline or air blowing, have the effect that both replace; Can when the operator slips up, can stop immediately the vertical slide that has descended, and change it action of rising into, can prevent from hurting sb.'s feelings because overwork misoperation or unprofessional person's false touch cause body to press down, and can reduce working substance and put the improper unfavorable condition that causes; But mat snake abdomen guard shield is fixed on the slide, the slide internal works is not exposed reach dustproof and ectosome effect comparatively attractive in appearance.

Claims

1, a kind of wire mark machine novel structure, it comprises five major parts on the wire mark machine: print head drive structure, table top micro-regulating structure, unit air sucking and blowing device, combined type safety device and dust cover device is characterized in that:

Print head transmission device: comprise orbit determination group (A3) and transmission group (A5), wherein: orbit determination group (A3) is made of high rigidity two guide rails, sliding shoe and drive seat, two guide rails (A31) transverse horizontal is arranged at printing headstock wallboard (A10) inner edge, and be equipped with on the guide rail (A31) that array card is nibbled but the sliding shoe (A32) of slip, and on sliding shoe (A32), select evenly stressed appropriate location, the fixing linking, drive seat (A33), drives seat (A33) and fix with print head; Transmission group (A5), be by one group of power motor (A51), drive (A52), driving belt (A53) constitutes with belt clamp (A54), be fixed in printing headstock wallboard (A10) back of the body edge one side with motor (A51), through a perforation axis of rotation is stretched in wallboard (A10) leading edge, drive (A52) is set on the axle center, at another side of wallboard corresponding wheel (A520) is set simultaneously, and closed form driving belt (A53) is set on two-wheeled, and right position geometrical clamp unification group belt clamp (A54) on the belt, and this belt clamp (A54) fixedly is connected in orbit determination group drives seat (A33) back of the body edge;

Table top micromatic setting: comprise the seat of honour (B1) and base (B2), go up cephalolateral margin in base (B2) and be provided with the fine setting turn-button (B21) of dividing right and left, the side edge also is provided with a fine setting turn-button (B21), turn-button axle center (B211) is stretched in the inner corresponding long straight trough hole (B212) that is provided with of base (B2), movable block (B213) screw connecting sheath is located to be placed in the groove hole (B212) simultaneously on the axle center (B211), and in the groove hole, slide, again in movable block (B213) the hinged coordinating block in top (B214), and laterally be positioned on the top surface of groove hole (B212), this coordinating block (B214) is provided with corresponding chute (B11) fit with bottom surface, the seat of honour (B1), is to be slidingly matched;

Unit air sucking and blowing device: be that identical and symmetrically arranged left and right sides air chamber group (C1) is (C2) by two of second groups, is furnished with left and right sides valve cylinder (C3) respectively (C4), left and right sides filtering bodies (C5) (C6) (C8) is formed with left and right adjusting valve (C7), wherein: left and right sides air chamber group (C1) (C2) is respectively equipped with air chamber A (C11) (C21), air chamber B (C12) (C22) with air chamber C (C13) (C23), and left and right sides air chamber A (C11) (C21) leading edge is provided with outlet, be connected one group of three-way pipe (C9) lower edge two-port, this three-way pipe (C9) upper limb single port is attached to the body area that desire is used, and left and right sides air chamber C (C13) (C23) also is provided with outlet respectively and is attached to air-breathing motor (C10) and goes out, air admission hole (C101) (C102), and left and right sides air chamber A (C11) (C21) is respectively equipped with valve opening (C14) and (C24) is communicated with left and right sides air chamber B (C12) (C22), left and right sides air chamber B also is respectively equipped with through hole (C15) and (C25) links up left and right sides air chamber C (C13) (C23), and two valve cylinder (C3) (C4) are located at left and right sides air chamber B (C12) respectively (C22), and in this space, be provided with respectively can with the left and right sides filtering bodies (C5) of external communications (C6), its valve block (C31) (C41) can on carry and open valve opening (C14) (C24) and seal (C6) space of living in of filtering bodies (C5), can press down sealing valve opening (C14) (C24), open (C6) space of living in of filtering bodies (C5), left and right adjusting valve (C7) (C8) is arranged at left and right sides air chamber B (C12) outer rim (C22) respectively;

The combined type safety device: its structure comprises to be lifted guard bar (D5) and presses down guard bar (D6) on one group, lifting guard bar (D5) wherein is the combined railings in three limits, the both sides side rod respectively is provided with array strip slotted eye (D51), be connected array tool inclination angle and connecting rod (D52) parallel to each other in the slotted eye (D51) respectively, connecting rod end in addition then is articulated on the support arm (D41), and support arm (D41) is the parallel member that body sideslip seat (D4) dual-side is provided with respectively; Pressing down guard bar (D6), is type combination railing, is arranged at body reciprocating table (D2) operating surface three limit peripheries;

The dust cover device: as the guard shield main member, the snake abdominal belt is individually fixed in print head and slides up and down track two ends up and down with the snake abdominal belt, and end then is fixedly arranged on respectively on the slip pedestal in addition.