CN109465153A - A kind of LED chip dispenser - Google Patents

Abstract

The invention discloses a kind of LED chip dispensers, including pedestal, the control device on the pedestal, the glue rifle frame that can be moved up and down, the glue rifle on the glue rifle frame and the feed device being connected with the glue rifle；It is equipped with stir chamber in the glue rifle, an agitating shaft is equipped in the stir chamber, the top of the stir chamber is equipped with a feed inlet；The present invention is stirred the glue in glue rifle by the way that stir chamber and agitating shaft are arranged in glue rifle so that glue constant flow, so as to avoid the glue solidifies and the phenomenon that block glue rifle.

Description

A kind of LED chip dispenser

Technical field

The invention belongs to led light technology fields, more particularly, to a kind of LED chip dispenser.

Background technique

The light-emitting component of LED light is one piece of electroluminescent chip of semiconductor material, by with elargol or white glue by chip It is cured on bracket, is then sealed with silver wire or gold thread connection chip and circuit board, surrounding with epoxy resin, finally installation is outer Our common LED light are made in shell.

Wherein LED dispenser is to be specifically used to give LED product equipment for dispensing glue, i.e., is applied to glue and needs chip Bracket on；However the glue rifle of existing dispenser is easy blocking, has seriously affected production efficiency and yield rate.

Summary of the invention

The present invention for overcome the deficiencies in the prior art, provides a kind of LED chip dispenser that glue rifle is not easy to plug.

To achieve the goals above, it the invention adopts the following technical scheme: a kind of LED chip dispenser, including pedestal, sets In on the pedestal control device, can move up and down glue rifle frame, the glue rifle on the glue rifle frame and with the glue rifle Connected feed device；It is equipped with stir chamber in the glue rifle, an agitating shaft is equipped in the stir chamber, is set at the top of the stir chamber There is a feed inlet；There is cavity or the channel for being used to temporarily store glue inside general glue rifle, but because glue leaves After feed device, flowing velocity declines and is easy solidification, finally blocks glue rifle；The present invention is stirred by being arranged one inside glue rifle Chamber is mixed, an agitating shaft is set in stir chamber, so that keeping the stream of glue by prolonged agitation into the glue inside glue rifle Dynamic property, and then delay the solidification of glue, guarantee that glue rifle is not blocked；And feed inlet is set to the top of stir chamber, so that into Glue in glue rifle flows from top to down under gravity, is preferably stirred axis stirring, further avoids that the glue solidifies And block glue rifle；And glue is easier outflow glue rifle and enters on needs bracket for dispensing glue.

Further, the agitating shaft includes the first stirring section being arranged at the top of stir chamber, the second stirring section and leans on The third stirring section of nearly stir chamber bottom setting；First stirring section is equipped with the first auger leaf, second stirring Section is equipped with screw blade, and the third stirring section is equipped with the second auger leaf；First spiral shell is set in the first stirring section Paddle is revolved, while so that glue is stirred and is not easy to solidify, auger leaf also acts the effect of conveying glue, so that Glue is preferably conveyed downwards, is avoided glue from being deposited in feed inlet and is blocked feed inlet, and then ensure that the lasting defeated of glue It send, so that glue constant flow, is not easy to solidify；And screw blade is set in the second stirring section, so that glue is by preferably past While lower section conveys, play the role of increasing glue flow velocity, glue can preferably flow out glue rifle when glue rifle being enabled to work, and improve glue The working efficiency of rifle；By the way that the second auger leaf is arranged in third stirring section, the glue of stir chamber bottom is stirred, glue is avoided Water is solidified in bottom deposit, is blocked to further avoid glue rifle.

Further, a Glue dripping head is removably connected in the glue rifle, the stir chamber and the Glue dripping head pass through one Through-hole connection；The Glue dripping head is equipped with the first groove, and it is recessed that the glue rifle is equipped with second matched with first groove Slot；A sealing ring is equipped in the groove；By the way that Glue dripping head is arranged, glue is uniformly applied on bracket, glue point is avoided Cloth is uneven and influences the installation of chip；And Glue dripping head has certain sealing function, and dispensing gap is avoided glue leakage occur The phenomenon that；Glue dripping head is detachably arranged, and facilitates the dismounting of Glue dripping head, and then can be blocked or occur other failures in Glue dripping head Shi Weixiu or replacement Glue dripping head, avoid delaying production because of the damage of Glue dripping head, have ensured production efficiency；By in Glue dripping head Groove is set between glue rifle for installing sealing ring, ensure that the leakproofness between Glue dripping head and glue rifle, glue is avoided to leak And influence the installation of chip.

Further, the Glue dripping head is equipped with a discharge port, and one is equipped in the Glue dripping head and is matched with the discharge port The telescopic component of conjunction；The telescopic component includes the telescopic head that lower end is spherical surface setting, the sleeve matched with the telescopic head And the return unit in the sleeve；By the way that telescopic component is arranged in discharge port so that twice dispensing midfeather when Between in, discharge port is sealed, and glue does not overflow；When needing dispensing, and glue discharge discharge port is not influenced, it is easy to produce； Opening and sealing to discharge port are realized by the setting of telescopic head, and telescopic head lower end is spherical surface setting, so that telescopic head Contact between bracket is more smooth, and telescopic head and bracket is avoided to collide when contacting and damage telescopic head or bracket；It is logical The setting for crossing return unit realizes the Telescopic of telescopic head, and when Glue dripping head enables telescopic head shrink by pushing, return unit Buffer function is also played, avoids Glue dripping head decline too fast and damages bracket.

Further, the upper surface of the telescopic head has extended outward to form a convex edge, and the following table of the sleeve is inward-facing Extend to form a limiting section matched with the convex edge；By the cooperation of convex edge and limiting section, telescopic head abjection set is avoided Cylinder, and then ensure that the normal work of Glue dripping head.

Further, the convex edge is equipped with a first seal matched with the inner wall of the sleeve, the limit Portion is equipped with a second seal matched with the outer surface of the telescopic head and scrapes materials and parts；It is scraped by being arranged on limiting section Materials and parts, so that the glue for being attached to flexible head surface can be scraped off by scraping materials and parts, if not when telescopic head is to sleeve contract Setting scrapes materials and parts and scrapes glue, then glue can enter in sleeve and influence the cooperation of telescopic head and sleeve and answering for return unit Position effect；Therefore materials and parts are scraped in setting one, be ensure that telescopic component can normally work, are extended the service life of telescopic head；It is logical It crosses and second seal is set on limiting section and first seal is set on convex edge, further avoid glue and penetrate into flexible group Inside part, and then it ensure that the normal work of dispenser.

Further, it is described scrape materials and parts include far from telescopic head outer surface concave surface, close to telescopic head outer surface convex surface, The stationary plane being fixedly connected with limiting section and the active face matched with the outer surface of telescopic head；The curvature on the convex surface is greater than institute State the curvature of concave surface；By being fixedly connected between stationary plane and limiting section, so that scraping materials and parts quilt when telescopic head moves up and down Being fixed on limiting section will not be mobile with telescopic head；And it is fixed due to scraping materials and parts, the outer surface of active face and telescopic head is tight Contiguity touching, so when extensible member rises, active face is close to the outer surface of telescopic head and is slided from top to bottom, flexible by being attached to Glue on head outer surface scrapes；And the movement of telescopic head may enable and scrape materials and parts and occur severely deformed and change direction, lose Scraper effect, so outer surface materials and parts will be scraped be designed as convex surface close to telescopic head, outer surface of the concave surface far from telescopic head, and it is convex The curvature in face be greater than concave surface curvature so that scrape materials and parts will not because of telescopic head movement and change direction, ensure that and scrape The normal work of materials and parts.

Further, the second seal including the first sealing, the second sealing and is set to first sealing And the second recessed portion between sealing；By the first sealing of setting and the second sealing, sealing and telescopic head are increased The contact area of outer surface, duplicate protection further avoid glue infiltration, guarantee the normal work of telescopic component；Due to second Sealing element is in contact with the outer surface of telescopic head, and when telescopic head rises, second seal can be under the action of telescopic head upwards Deformation, when telescopic head decline, second seal can deform downwards under the action of telescopic head, at this time due to the first sealing and The setting of second sealing, so that the second sealing plays the role of striking off glue and guaranteeing sealing when telescopic head rises；When When telescopic head declines, the first sealing plays the role of striking off glue and guaranteeing sealing；And by being arranged between two protrusions One recessed portion, so that protrusion has the space of a deformation when being squeezed and deformed, it is mutual crowded when avoiding protrusion because of deformation It presses and influences sealing effect.

Further, it is equipped with a cavity in the outer wall of the glue rifle, is equipped with hot-water line and thermal insulation layer, the hot water in the cavity Pipe helically coiling setting；The lower end of the hot-water line is equipped with hot water inlet, and the upper end of the hot-water line is equipped with hot water outlet；It is logical It crosses in glue rifle outer wall and cavity is set, then hot-water line is set in cavity, the glue in stir chamber is heated, and then into one Step delays the solidification of glue, and glue rifle is avoided to be blocked；Since hot-water line is arranged along stirring cavity outer wall coiled coil, what hot water flowed through Distance is farther, and area coverage is wider, heats more evenly, and heat is not easy to lose, has certain heat insulation effect；And due to stirring For the feed inlet of chamber in upper end, the glue temperature that upper end has just enter into stir chamber is higher, and the glue temperature of stir chamber bottom is lower, therefore By the setting of the hot water inlet of hot-water line in lower end, hot water outlet setting in upper end so that hot water first to the lower glue of temperature into Row heating, and since the heat in hot water enters glue, when hot water is flowed out from hot water outlet, temperature have already decreased in into The temperature close of the glue entered in material mouth, i.e., by the heating of hot-water line from bottom to top, and the temperature of hot water from bottom to top by It gradually reduces, so that the glue temperature in stir chamber is all consistent, so that stirring is more abundant, glue is less susceptible to coagulate Gu；Heat insulation layer is filled in cavity again, further avoids heat losses, to guarantee that glue is heated always and is not easy to coagulate Gu.

Further, the outer wall of the glue rifle is equipped with an inlet opening, which is located above second segment body, institute State the external inlet tube of inlet opening；Due to the moisture evaporation in glue, glue becomes sticky and is easier to solidify, and glue rifle is caused to be blocked Plug；It instils into stir chamber in right amount by the way that the inlet opening of a connection stir chamber is arranged on glue rifle outer wall, then by inlet tube Water avoid glue excessively sticky to guarantee that glue remains at a suitable density；And by the way that inlet opening is arranged Above the second segment body, so that being broken up into the water in stir chamber by the screw blade on the second segment body and being stirred with glue Together, then at being transported to where third segment body continue to stir, so that water and glue uniformly mix, and then realize and guarantee that glue is close The purpose of degree, to further avoid that the glue solidifies and the phenomenon that blocking glue rifle.

In conclusion the present invention is stirred the glue in glue rifle by setting stir chamber and agitating shaft in glue rifle, So that glue constant flow, the phenomenon that blocking glue rifle so as to avoid the glue solidifies.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention；

Fig. 2 is the cross-sectional view of glue rifle in the present invention；

Fig. 3 is the cross-sectional view of Glue dripping head in the present invention；

Fig. 4 is the enlarged drawing in Fig. 3 at A；

Fig. 5 is the enlarged drawing in Fig. 3 at B

Fig. 6 is the structural schematic diagram of hot-water line in the present invention；

Cross-sectional view when Fig. 7 is Glue dripping head plastic emitting in the present invention.

Specific embodiment

In order to make those skilled in the art better understand the present invention program, below in conjunction in the embodiment of the present invention Attached drawing, the technical scheme in the embodiment of the invention is clearly and completely described.

As shown in figs. 1-7, a kind of LED chip dispenser is used for the dispensing on bracket, so that LED chip can be consolidated It is scheduled on bracket；The LED chip dispenser includes pedestal 1, control device 2, glue rifle frame 3, glue rifle 4, frame 11, mobile device 12, the first actuator 13 and workbench 14；Specifically, the control device 2 is mounted on pedestal 1, which is market Magnificent UNO-2182 controller is ground in upper purchase, this is the prior art, therefore this will not be repeated here；A frame is equipped on pedestal 1 11, which is equipped with mobile device 12, the mobile device can under the drive of the motor on frame all around It is mobile；For the ease of the movement of mobile device, frame roof is provided with the sliding rail matched with mobile device；Mobile device 12 Lower section has been fixedly connected with first actuator 13, which is the cylinder bought in the market, this is the prior art, therefore This will not be repeated here；The lower end of the cylinder has been fixedly connected with a glue rifle frame 3, which can rise under the driving of cylinder And decline；It is mounted with multiple glue rifles 4 on glue rifle frame 3, so that the dispensing function gives multiple bracket dispensings simultaneously, substantially increases Working efficiency；And pass through the cooperation of mobile device and cylinder, the movement of glue rifle is realized, quickly to give bracket dispensing, nothing Personnel are needed to operate, using simple；An external feed device is mounted with one on glue rifle frame 3 for giving glue rifle to provide glue A conveying pipeline 15, glue rifle 4 are connected by feed pipe with conveying pipeline 15, which is a hose, can follow glue rifle frame one Movement is played, the work of dispenser is facilitated；The other end of the conveying pipeline 15 is connected with a storage vat 17, for storing glue； A feeding engine 16 is mounted on conveying pipeline 15 again, the glue in storage vat is enabled to be transported to glue rifle by conveying pipeline It is interior, and apply certain pressure, so that glue is easier to flow out when glue rifle dispensing；The feeding engine is the water pump bought in the market, this For the prior art, therefore this will not be repeated here.

Glue solidifies in glue rifle 4 and blocks glue rifle in order to prevent, and a stir chamber 41 has been opened up in the glue rifle, and It is mounted with an agitating shaft 42 in the stir chamber, glue is stirred by installation agitating shaft, so that the glue in glue rifle is located always In flow regime, it is not easy to solidify；42 lower end of agitating shaft be free end, with stir chamber bottom do not use bearing connect be in order to It prevents from being fixed by glue, avoids the glue solidifies from generating resistance on bearing, influence the mixing effect of agitating shaft；The agitating shaft Upper end be fixedly connected with the output end of a motor；The motor is mounted at the top of glue rifle, which is the motor bought in the market, This is the prior art, therefore this will not be repeated here；In order to enable glue preferably be stirred, feed inlet 43 is provided with to the top of stir chamber Portion, so that glue passes through agitating shaft from top to bottom, so that glue is adequately stirred；The agitating shaft 42 is stirred including first Mix section 421, the second stirring section 422 and third stirring section 423；The agitating shaft is a smooth metallic rod, in the first stirring section 421 On welded the first auger leaf 4211, the auger leaf be spiral setting sheet metal, glue can be stirred, also can will Glue is preferably conveyed toward lower section, and spiral is arranged so that the range of stirring is wider, and stirring is more abundant；Second stirring section 422 and One stirring section 421 is adjacent, and a propeller blade 4221 is mounted in the second stirring section, by the setting of screw blade so that stirring It mixes that intracavitary glue is accelerated to be transported to lower section, plays the role of increasing glue flow velocity, so that glue is easier to be squeezed when dispensing Extrude stir chamber；The second auger leaf 4231 is welded in the third stirring section adjacent with the second stirring section, second spiral shell It is identical as the shape of the first auger leaf to revolve paddle, but the length of the second auger leaf is less than the first auger leaf Length plays the role of the glue for stirring stir chamber bottom, prevents glue from becoming sticky in stir chamber bottom deposit.

Specifically, a Glue dripping head 5 has been detachably connected in the lower end of the glue rifle 4, using spiral shell in the present embodiment Nail connection；Glue dripping head, which is detachably connected, allows Glue dripping head to replace or repair when damaging, and maintenance cost is lower, and replacement is convenient, Influence to production efficiency is smaller；In order to guarantee the leakproofness of detachable structure, opened up at the top of Glue dripping head one it is first recessed Slot 51, and second groove 45 corresponding with the first groove has been opened up on the lower surface of glue rifle, by the first groove One sealing ring 6 is installed in the seal chamber complemented each other to form with the second groove, ensure that the sealing between Glue dripping head and glue rifle Property, and then ensure that the normal work of glue applying mechanism, the sealing ring 6 is made of rubber material；It also is provided in the Glue dripping head 5 The lower surface of one cavity for accommodating glue and passing through for glue, the glue rifle is equipped with multiple through-holes 44, and stir chamber 41 passes through Through-hole 44 is connected with the cavity inside Glue dripping head 5；The lower end of the Glue dripping head opened up one it is identical as Glue dripping head internal cavities Discharge port 52；For better dispensing, it is mounted with that a telescopic component, the telescopic component include telescopic head in Glue dripping head 53, sleeve 54 and return unit 55, the return unit are spring；The upper surface of the sleeve and the lower surface of glue rifle 4 are welded, and are stretched First 53 are placed in sleeve 54 and can slide relative to sleeve, and the lower end of the telescopic head 53 is designed for spherical, which is pierced by Discharge port 52 is fitted close with discharge port, plays sealing function, prevent the glue inside Glue dripping head from leaking out；The reset Part 55 is mounted in the sleeve 54, and the lower surface of the return unit upper end and glue rifle 4 is welded, and the upper surface of lower end and telescopic head is welded It connects, prevents return unit mobile and influence reset effect；Telescopic head deviates from sleeve in order to prevent, sets in the upper surface of the telescopic head A convex edge 531 is set, which is extended outward to form by telescopic head upper surface, is integrally formed, convenient for manufacture；Described A limiting section 541 matched with convex edge 531 is provided on the lower surface of sleeve, the limiting section is inward-facing by the following table of sleeve It extends to form, is integrally formed, convenient for manufacture；When glue rifle 4 pushes, telescopic head 53 is to contract, so that discharge port opens another glue Outflow, when glue rifle rises, return unit, which pushes telescopic head, to be resetted, and reseals discharge port.

Glue penetrates into the work for inside telescopic component and influencing telescopic component in order to prevent, pacifies on the limiting section 541 It has filled one and has scraped materials and parts 56, this is scraped materials and parts 56 and is made of elastic plastic material, is arranged in a ring；The materials and parts of scraping include concave surface 561, convex surface 562, stationary plane 563 and with active face 564；It is at least partly fixed that this scrapes the stationary plane of materials and parts 56 and limiting section 541 Connection, active face and telescopic head 53 are fitted close；This scrapes materials and parts 56 under the extruding of the outer surface of limiting section 541 and telescopic head 53 Bending, convex surface is towards telescopic head 53, and concave surface is towards the glue in outside, and the curvature on convex surface is greater than the curvature of concave surface, and concave surface is bent Rate is lower, more gently, is blown off convenient for glue along concave surface, and convex curvature is higher, so that when telescopic head 53 is mobile, it is difficult to Materials and parts deformation is scraped in order；When telescopic head 53 rises, scraping materials and parts can move along the outer surface of telescopic head 53, and by 53 appearance of telescopic head Glue on face is swept, so that glue is blown off along the concave surface for scraping materials and parts 56；One is also equipped on the limiting section 541 Two sealing elements 55, the second seal 55 are made of rubber material, are arranged in a ring；The materials and parts 56 of scraping are mounted remotely from convex edge 531 side, the second seal 55 are arranged close to the side of convex edge 531；By installing second seal 55, so that by It scrapes the part glue that the cleaning of materials and parts 56 remains on 53 outer surface of telescopic head later to be stopped by second seal 55, further Prevent glue from entering inside telescopic component, to guarantee the normal work of telescopic component；Preferably, in order to enhance second seal 55 sealing effect is provided with the first sealing 551, the second sealing 552 and recessed portion 553 in second seal 55, the The setting of one sealing and the second sealing, so that sealing and telescopic head outer surface Multi-contact, form the effect of multiple protective Fruit further avoids glue infiltration, guarantees the normal work of telescopic component；And by the way that a recess is arranged between two protrusions Portion avoids mutual extrusion of the protrusion when deformation due to influences so that protrusion has the space of a deformation when being squeezed and deformed Sealing effect；An annular first seal 57 is mounted on the convex edge 531 again, the first seal 57 is by rubber material Material is made, and is fitted close with the inner wall of the sleeve 54；Glue is further prevented to penetrate into inside telescopic component.

In order to enable glue is not easy to solidify, a heating component is mounted in the outer wall of the glue rifle 4；Specifically, institute It states and has opened up a cavity 46 in the outer wall of glue rifle 4, and be mounted with a hot-water line 47 in the cavity 46, which is in Coiled coil is arranged in cavity 46, so that the heating surface (area) (HS of hot-water line is wider；Because upper end is feed inlet, glue, which has just enter into, to be stirred Chamber is mixed, temperature is also higher, and the glue temperature of lower end is lower, so being arranged hot water inlet 471 in lower end, hot water outlet 472 It is arranged in upper end, so that glue is cooled uniformly, and hot-water line helically coils setting, and tube body is adjacent, so in hot-water line Heat be more difficult to dissipate, play certain heat insulation effect, and fill out in cavity 46 and be filled with thermal insulation layer 48, further prevent heat Amount dissipation, reduces energy loss, energy-saving and emission-reduction.

And due to the moisture natural evaporation and heating evaporation inside glue, glue becomes sticky, so that glue is more Add easy solidification；The glue solidifies in order to further prevent, and an inlet opening 49 has been opened up on the outer wall of the glue rifle 4, has been passed through The inlet opening 49 has been connected to inside and outside stir chamber 41, by connecting an inlet tube 491 outside inlet opening 49, is instiled into stir chamber Water, so that the glue in stir chamber be enabled to keep suitable density without the sticky of change；Because the glue of upper end is just from feed inlet Into, density is suitable, without plus water, and the glue of 41 lower part of stir chamber is due to leaving storage vat 17 relatively long, and in bottom deposit, Glue is easy to become sticky, so the inlet opening 49 to be arranged in the top of screw blade 4221, so that into stir chamber 41 Water broken up and be stirred into glue by screw blade, and then guarantee glue density it is suitable, prevent glue from becoming sticky and stifled Fill in glue rifle.

Specifically, the workflow of the dispenser are as follows: after putting bracket on the table, startup power supply, controller control Mobile device processed drives glue rifle frame to be moved to above workbench, enables the part that chip is needed in glue rifle alignment bracket, controls Device controls water pump starting again, and glue is entered in glue rifle by conveying pipeline through feed pipe and feed inlet；Controller controls again at this time Cylinder starting, cylinder drive glue rifle decline, Glue dripping head in glue rifle are enabled to press on bracket, at this time the telescopic head on Glue dripping head by In pressing to contract, so that return unit is compressed, discharge port is opened at this time, and the glue in glue rifle flows into bracket；This time control Device processed controls cylinder rising again, and then Glue dripping head is driven to rise, and after losing pressing force, return unit is multiple under the action of elastic force Telescopic head is pressed as in discharge port again, blocks discharge port by original, is completed the dispensing to portion support and is worked；Controller controls again Mobile device is moved to other and needs above bracket for dispensing glue, repeats the dispensing work that other brackets are completed in above-mentioned movement.

Obviously, described embodiment is only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment should fall within the scope of the present invention.

Claims (10)

1. a kind of LED chip dispenser including pedestal (1), the control device (2) being set on the pedestal (1), can move up and down Glue rifle frame (3), the glue rifle (4) that is set on the glue rifle frame (3) and the feed device that is connected with the glue rifle (4)；Its feature It is: is equipped with stir chamber (41) in the glue rifle (4), is equipped with an agitating shaft (42) in the stir chamber (41), the stir chamber (41) top is equipped with a feed inlet (43).

2. LED chip dispenser according to claim 1, it is characterised in that: the agitating shaft (42) includes close to stirring The first stirring section (421), the second stirring section (422) and the third close to the setting of stir chamber (41) bottom being arranged at the top of chamber (41) Stirring section (423)；First stirring section (421) is equipped with the first auger leaf (4211), second stirring section (422) It is equipped with screw blade (4221), the third stirring section (423) is equipped with the second auger leaf (4231).

3. LED chip dispenser according to claim 1, it is characterised in that: be removably connected with one on the glue rifle (4) Glue dripping head (5), the stir chamber (41) are connected to the Glue dripping head (5) by a through-hole (44)；The Glue dripping head (5) is equipped with First groove (51), the glue rifle (4) are equipped with the second groove (45) matched with first groove (51)；The groove Inside it is equipped with a sealing ring (6).

4. LED chip dispenser according to claim 3, it is characterised in that: the Glue dripping head (5) is equipped with a discharge port (52), a telescopic component matched with the discharge port (52) is equipped in the Glue dripping head (5)；Under the telescopic component includes End is the telescopic head (53) of spherical surface setting, the sleeve (54) matched with the telescopic head (53) and is set in the sleeve (54) Return unit (55).

5. LED chip dispenser according to claim 4, it is characterised in that: the upper surface of the telescopic head (53) is outside It has extended to form a convex edge (531), the lower surface of the sleeve (54) has extended inwardly to form one and matched with the convex edge (531) The limiting section (541) of conjunction.

6. LED chip dispenser according to claim 5, it is characterised in that: the convex edge (531) be equipped with one with it is described The first seal (57) that the inner wall of sleeve (54) matches, the limiting section (541) are equipped with one and the telescopic head (53) The second seal (55) that matches of outer surface and scrape materials and parts (56).

7. LED chip dispenser according to claim 6, it is characterised in that: described scrape materials and parts (56) include far from flexible The concave surface (561) of head (53) outer surface is fixedly connected close to the convex surface (562) of telescopic head (53) outer surface, with limiting section (541) Stationary plane (563) and the active face (564) that is matched with the outer surface of telescopic head (53)；The curvature of the convex surface (562) is big Curvature in the concave surface (561).

8. LED chip dispenser according to claim 6, it is characterised in that: the second seal (55) includes first Sealing (551), the second sealing (552) and be set to it is recessed between first sealing (551) and the second sealing (552) Concave portion (553).

9. LED chip dispenser according to claim 1, it is characterised in that: be equipped in the outer wall of the glue rifle (4) Chamber (46), the cavity (46) is interior to be equipped with hot-water line (47) and thermal insulation layer (48), which helically coils setting；It is described The lower end of hot-water line (47) is equipped with hot water inlet (471), and the upper end of the hot-water line (47) is equipped with hot water outlet (471).

10. LED chip dispenser according to claim 1, it is characterised in that: the outer wall of the glue rifle (4) is equipped with one Inlet opening (49), the inlet opening (49) are located above second segment body (422), the external inlet tube of inlet opening (49) (491).