CN215379370U - Material belt dustproof structure of PCB chip mounter - Google Patents

Abstract

The utility model belongs to the technical field of PCB board chip mounter and specifically relates to a dustproof construction is taken to material of PCB board chip mounter relates to, and it sets up on the material area that is used for transporting components and parts, and the material area transports between chip mounter and components and parts pay-off portion, dustproof construction is including being used for the cover material to take the dust-proof membrane of components and parts, the dust-proof membrane both sides respectively with material area both sides sealing connection. In this application, reduced the probability of the dust adhesion at components and parts in the external environment, and then reduced the appearance of components and parts short circuit condition, reached the effect that has improved PCB circuit board production quality.

Description

Material belt dustproof structure of PCB chip mounter

Technical Field

The application relates to the field of PCB chip mounters, in particular to a dustproof structure for a material belt of a PCB chip mounter.

Background

At present, a PCB (printed circuit board) chip mounter is equipment for conveying a PCB to a designated position and accurately placing surface-mounted components on a PCB pad by moving a mounting head, wherein the mounting of the components is an important factor influencing the quality of the PCB.

Transporting components to the paster built-in and carrying out the in-process of subsides dress, often adopting the material to bring and assist components and parts, place components and parts in proper order on the material area, drive the transportation work of accomplishing components and parts through the friction between material area and the components and parts.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: at the in-process of material area transportation components and parts, the dust in the environment can the adhesion on components and parts, makes the short circuit condition appear easily in components and parts, leads to the production quality of PCB circuit board poor.

SUMMERY OF THE UTILITY MODEL

In order to improve the production quality of PCB circuit board, this application provides a dustproof construction is taken to material of PCB board chip mounter.

The application provides a pair of PCB chip mounter's material area dustproof construction adopts following technical scheme:

the utility model provides a dustproof construction is taken to material of PCB board chip mounter sets up on the material area that is used for transporting components and parts, and the material area transports between chip mounter and components and parts pay-off portion, dustproof construction is including being used for the dust-proof membrane that the components and parts were taken to the cover material, the dust-proof membrane both sides respectively with material area both sides sealing connection.

By adopting the technical scheme, the material belt drives the components to be transported between the chip mounter and the component feeding part, and because the dustproof film covers the components, and meanwhile, the two sides of the dustproof film are respectively connected with the two sides of the material belt in a sealing manner, the components are separated from the external environment by the dustproof film, so that the contact between dust and the components is reduced; through the setting of dust-proof membrane, reduced the probability of the dust adhesion at components and parts in the external environment, and then reduced the appearance of components and parts short circuit condition, reached the effect that has improved PCB circuit board production quality.

Optionally, a sealing mechanism is arranged between the dustproof film and the material belt and comprises a sealing fixture block and a sealing clamping groove, the sealing fixture block is fixedly connected with the material belt, the sealing clamping groove is formed in the dustproof film, and the sealing clamping groove is matched with the sealing fixture block in a clamping mode.

Through adopting above-mentioned technical scheme, to sealed fixture block application of force, make sealed fixture block and sealed draw-in groove joint to realized the sealing connection between dustproof membrane and the material area, sealed the dustproof membrane both sides and fixed, improved the convenience in dustproof membrane seal material area.

Optionally, a clamping piece for clamping the sealing clamping groove and the sealing clamping block is arranged between the sealing clamping block and the sealing clamping strip, and the clamping piece is fixedly connected with the component feeding part.

Through adopting above-mentioned technical scheme, utilize fastener to come the completion of supplementary sealed draw-in groove and sealed draw-in groove card sealing work, reduced the degree of difficulty coefficient in sealed material area, reduced staff's intensity of labour simultaneously.

Optionally, the clamping piece is sleeved with a dust cover, the dust cover is fixedly connected and communicated with the component feeding portion, and the material belt and the dust cover are both located in the dust cover before the clamping.

Through adopting above-mentioned technical scheme, the dust cover all covers strip and dust mask before with fastener and block in inside, and the dust cover is isolated in the dust cover outside to external environment's dust, reduces the contact of strip and dust mask before dust and the block, has further improved dustproof effect of dustproof mechanism.

Optionally, the dust cover is provided with a penetration port, the material belt and the dust-proof film are clamped in a sealing manner and then penetrate out of the dust cover from the penetration port, and a stop curtain is arranged at the penetration port and fixedly connected with the dust cover.

Through adopting above-mentioned technical scheme, because wear out from the wearing out mouth behind material area and the dust mask block, owing to wear out the mouth again and be provided with the check curtain, the check curtain covers the gap of taking the top and wearing out between the mouth to reduce the dust and follow the probability that wears out the mouth and get into the dust cover inside, improved the inside dustproof effect of dust cover.

Optionally, a separating piece is arranged between the sealing clamping block and one end of the sealing clamping groove close to the chip mounter, the separating piece is fixedly connected with the chip mounter, and the sealing clamping groove is separated from the sealing clamping block by the separating piece.

By adopting the technical scheme, when the components are conveyed to the chip mounter by the material belt, the clamping state between the sealing clamping block and the sealing clamping groove is automatically released by the separating piece, so that the separation between the material belt and the dustproof film is realized, and the components are exposed in an external environment after being separated from the sealing state; the setting of separator has saved the manual process of tearing the dust mask from the material area of staff, has further reduced staff's intensity of labour.

Optionally, the material strap bottom is provided with the conveying roller, and the conveying roller rotates with components and parts feeding portion to be connected, and spacing annular has been seted up to the conveying roller lateral wall, and material strap fixedly connected with stopper, stopper and spacing annular sliding connection take.

Through adopting above-mentioned technical scheme, can drive the material area when the conveying roller rotates and take place the motion, the conveying roller provides drive power for the transport in material area, and in the transportation process, the material area drives the stopper and slides along spacing annular, and the setting of stopper and spacing spout is injectd the moving direction of material area on the conveying roller, has reduced the skew of material area on the conveying roller, and then has reduced the probability that the material area breaks away from the conveying roller, has improved the stability in the material area transportation.

Optionally, the material area is provided with and is used for holding the groove that holds single components and parts in proper order, holds the groove and is provided with a plurality ofly.

Through adopting above-mentioned technical scheme, place single components and parts and hold the inslot, each lateral wall that holds the groove carries on spacingly to components and parts, reduces the relative slip between components and parts and the material area, has further improved the stability that the material area drove the motion of components and parts.

In summary, the present application includes at least one of the following beneficial technical effects:

through the arrangement of the dustproof film, the probability that dust in the external environment is adhered to the components is reduced, the short circuit condition of the components is further reduced, and the effect of improving the production quality of the PCB is achieved;

through the arrangement of the sealing clamping blocks and the sealing clamping grooves, the sealing connection between the dustproof film and the material belt is realized, the two sides of the dustproof film are sealed and fixed, and the convenience of sealing the material belt by the dustproof film is improved;

through the setting of check curtain, cover the gap of material top and between the mouth of wearing to reduce the dust and follow the inside probability that the mouth got into the dust cover of wearing, improved the inside dustproof effect of dust cover.

Drawings

Fig. 1 is a schematic structural diagram of a dustproof structure for a material tape in an embodiment of the present application;

fig. 2 is a schematic structural diagram of a tape in an embodiment of the present application;

FIG. 3 is a schematic sectional view of a dust-proof box in which a winding wheel is located in the embodiment of the application in an open state;

fig. 4 is a schematic cross-sectional view of a dust-proof structure in an embodiment of the present application.

Description of reference numerals: 1. a chip mounter; 2. a component feeding part; 3. a material belt; 31. a containing groove; 32. a conveying roller; 321. a limiting ring groove; 322. a first motor; 33. a limiting block; 4. a dust-proof structure; 41. a dust-proof film; 411. unwinding wheels; 412. a winding wheel; 4121. a second motor; 42. a dust cover; 421. a penetration port; 422. a hinged door; 423. a curtain; 5. a sealing mechanism; 51. sealing the clamping groove; 52. sealing the clamping block; 53. a fastener; 54. and (4) separating the components.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses dustproof construction is taken to material of PCB chip mounter. Referring to fig. 1, a dustproof structure is taken to material of PCB chip mounter sets up on material area 3, and material area 3 both ends are chip mounter 1 and components and parts pay-off portion 2, and material area 3 drives components and parts and transports between chip mounter 1 and components and parts pay-off portion 2. Put components and parts on material area 3 in proper order in components and parts pay-off portion 2, then drive material area 3 with components and parts transportation to chip mounter 1 in, utilize dustproof construction 4 to reduce the contact between dust and the components and parts in material area 3 transportation.

Referring to fig. 1 and 2, 3 levels in the material area set up, and 3 tops in the material area are vertical to have been seted up and to hold groove 31, hold groove 31 and be provided with a plurality ofly, and a plurality ofly hold groove 31 and evenly set up along the length direction in material area 3, hold and place single components and parts in the groove 31. In components and parts pay-off portion 2, place a plurality of components and parts in a plurality of grooves 31 that hold in proper order, make components and parts more stable in transportation process.

Referring to fig. 1 and 3, the bottom of each of the two ends of the material belt 3 is horizontally provided with a conveying roller 32, the two conveying rollers 32 are fixed at the same height, and the two conveying rollers 32 are fixedly connected with a first motor 322; in order to break away from the delivery wheel in preventing material area 3 transportation, spacing annular 321 has been seted up along circumference to the delivery roller 32 lateral wall, spacing annular 321 both ends intercommunication, with spacing annular 321 cooperation use have a stopper 33, stopper 33 is along the vertical setting in material area 3 bottom of length direction of material area 3, and stopper 33 top and 3 bottom fixed connection in material area, stopper 33 bottom insert in the spacing annular 321 and with spacing annular 321 sliding connection.

When utilizing material area 3 to carry components and parts, start two first motors 322 simultaneously, two conveyor wheels of two first motor 322 drive begin to rotate, drive spacing annular 321 synchronous rotation when two conveyor wheels rotate, and two conveyor wheels transport material area 3 under the effect of frictional force, and material area 3 drives stopper 33 and slides along spacing annular 321, and then has prescribed a limit to the moving direction in material area 3.

Referring to fig. 1 and 4, the dustproof structure 4 includes a dustproof film 41 and dust covers 42, the dustproof film 41 is laid on the top of the material belt 3 along the length direction of the material belt 3, the dustproof film 41 covers the components on the material belt 3, a sealing mechanism 5 is further arranged between the dustproof film 41 and the material belt 3, the dust covers 42 are horizontally arranged in two numbers, the two dust covers 42 are respectively arranged at two ends of the material belt 3, the two dust covers 42 are respectively fixedly connected and communicated with the component feeding portion 2 and the chip mounter 1, and the material belt 3 is penetrated and arranged in the two dust covers 42 to slide. Utilize dustproof construction 4 and dust-proof membrane 41 to accomplish the dustproof work to the whole transportation in-process of components and parts to reduce the probability of the dust adhesion at components and parts in the external environment, and then reduced the appearance of components and parts short circuit condition, reached the effect that has improved PCB circuit board production quality.

Referring to fig. 1 and 3, two dust covers 42 are close to each other and have all horizontally been seted up and have been worn out port 421, and it runs through the dust cover 42 inner wall to wear out port 421, and the one end that components and parts pay-off portion was kept away from in getting into chip mounter 1 after passing two and wearing out ports 421 in proper order to take 3, wears out port 421 and locates to vertically be provided with blind 423, blind 423 top and wear out port 421 roof fixed connection, and when not setting up material area 3, blind 423 covers and wears out port 421. The outlet 421 provides an outlet penetrating from the dust cover 42 for the hopper, the curtain 423 is used for covering the outlet 421, a gap between the strip 3 and the outlet 421 in the transportation process is reduced, and the curtain 423 blocks dust outside the outlet 421 of the dust cover 42.

Referring to fig. 3, two side walls of the two dust covers 42 on the same side in the length direction are both provided with a hinged door 422, the top end of the hinged door 422 is hinged with the top end of the dust cover 42, and the hinged door 422 covers the inner cavity of the dust cover 42; meanwhile, the dust cover 42 provides support for the conveying rollers 32 and the first motor 322, the conveying rollers 32 penetrate through the dust cover 42 and then are fixedly connected with the first motor 322, the conveying rollers 32 are rotatably connected with the inner wall of the dust cover 42, and the first motor 322 is fixedly connected with the outer side wall of the dust cover 42.

Pulling the hinged door 422 to enable the hinged door 422 to rotate around the hinged position of the top end of the hinged door 422 and the dust cover 42, enabling the bottom end of the hinged door 422 to be gradually far away from the dust cover 42, enabling a gap to be formed between the hinged door 422 and the dust cover 42, and enabling a worker to pass through the gap to inspect the interior of the dust cover 42; after the inspection is finished, the application of force to the hinged door 422 is loosened, the hinged door 422 reversely rotates under the action of gravity, the bottom end of the hinged door 422 is gradually close to the dust cover 42 until the hinged door 422 is in a vertical state, and the side wall of the bottom end of the hinged door 422 close to the dust cover 42 is abutted against the side wall of the bottom end of the dust cover 42.

Referring to fig. 4, the sealing mechanism 5 includes two sealing clamping grooves 51, two sealing clamping blocks 52, two clamping elements 53 and a separating element 54, the two sealing clamping blocks 52 are vertically arranged along the length direction of the strip 3, the two sealing clamping blocks 52 are respectively arranged at two sides of the containing groove 31, the bottom ends of the two sealing clamping blocks 52 are respectively fixedly connected with the top end of the strip 3, the sealing clamping grooves 51 are arranged at one side of the dustproof film 41 close to the strip 3 along the length direction of the dustproof film 41, the two sealing clamping grooves 51 are arranged, and the two sealing clamping grooves 51 are respectively in clamping fit with the top ends of the two sealing clamping blocks 52; the engaging pieces 53 and the separating pieces 54 are disposed between both ends of the tape 3 and the dust-proof film 41, and referring to fig. 1, the engaging pieces 53 and the separating pieces 54 are horizontally disposed in the dust-proof cover 42 close to the component feeding portion 2 and the dust-proof cover 42 close to the chip mounter 1, respectively, and the engaging pieces 53 and the separating pieces 54 are fixed to the bottom wall of the dust-proof cover 42 by means of support rods.

When sealing up material area 3, remove earlier that material area 3 and dust-proof membrane 41 all are close to fastener 53, utilize fastener 53 with the sealed fixture block 52 joint of material area 3 top both sides in the sealed draw-in groove 51 of dust-proof membrane 41 both sides, dust-proof membrane 41 seals the components and parts at material area 3 top, later material area 3 transports, dust-proof membrane 41 plays dustproof effect in the transportation, until material area 3 and dust-proof membrane 41 are close separator 54, the joint state between sealed draw-in groove 51 has been relieved to separator 54, and then make material area 3 and dust-proof membrane 41 separate, carry out the deblocking to the components and parts on the material area 3, the components and parts after the deblocking get into chip mounter 1 and carry out the dress and paste work, the components and parts after the deblocking are also in dust cover 42, whole dust-proof structure 4's dustproof effect is strong.

Referring to fig. 1 and 3, two ends of the dustproof film 41 are respectively provided with an unwinding wheel 411 and a winding wheel 412, the unwinding wheel 411 is horizontally arranged in the dustproof cover 42 on one side of the component feeding part 2, the unwinding wheel 411 is rotatably connected with the inner wall of the dustproof cover 42, the unwinding wheel 411 is located on one side of the material belt 3 away from the conveying wheel, and the unwinding wheel 411 rotates clockwise; the winding wheel 412 is horizontally arranged in the dust cover 42 on one side of the chip mounter 1, the winding wheel 412 and the unwinding wheel 411 are both parallel to the conveying roller 32, the winding wheel 412 is also arranged on one side, far away from the conveying wheel, of the material belt 3, one end of the winding wheel 412 penetrates through the dust cover 42 and then is fixedly connected with the second motor 4121, the second motor 4121 is fixedly connected with the outer side wall of the dust cover 42, the winding wheel 412 is connected with the inner wall of the dust cover 42 in a rotating mode, and the winding roller rotates anticlockwise.

When the clamping piece 53 is used for covering the dustproof film 41 on the top surface of the material belt 3 in a sealing manner, the material belt 3 drives the dustproof film 41 to move synchronously, the dustproof film 41 drives the unwinding roller to automatically rotate clockwise, and the unwinding roller unwinds the dustproof film 41 during rotation; when the material belt 3 and the dustproof film 41 are synchronously transported to the separating part 54, the separating part 54 separates the material belt 3 from the dustproof film 41, the material belt 3 continues to carry components to be transported into the chip mounter 1, at the moment, the second motor 4121 is in a starting state, the second motor 4121 drives the winding wheel 412 to start to rotate clockwise, the winding wheel 412 winds the dustproof film 41 on the outer side, the collection of the dustproof film 41 after waste is completed, and then the dustproof film 41 is subjected to centralized treatment.

The implementation principle of the dustproof structure for the material belt of the PCB chip mounter is as follows: when utilizing material area 3 to transport components and parts, at first place components and parts in proper order in the groove 31 that holds of material area 3 in components and parts pay-off portion 2, then components and parts are followed material area 3 and are transported, when components and parts reachd fastener 53 department, fastener 53 seals dust-proof membrane 41 at material area 3 top, dust-proof membrane 41 has covered components and parts simultaneously, later components and parts continue to transport after wearing out dust cover 42 under the drive of material area 3, until penetrating in the dust cover 42 that is close to chip mounter 1, material area 3 drives components and parts and reachs separator 54 department this moment, separator 54 has removed dust-proof membrane 41 and has sealed to components and parts, later material area 3 sends into chip mounter 1 with components and parts in, the whole process has reduced the contact of components and parts with external dust, components and parts have been protected.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (8)

1. The utility model provides a dustproof construction is taken to material of PCB board chip mounter sets up on the material area (3) that is used for transporting components and parts, and material area (3) are transported between chip mounter (1) and components and parts pay-off portion (2), its characterized in that: the dustproof structure (4) comprises a dustproof film (41) used for covering components on the material belt (3), and two sides of the dustproof film (41) are respectively connected with two sides of the material belt (3) in a sealing mode.

2. The carrier tape dust-proof structure of the PCB board mounter according to claim 1, wherein: be provided with sealing mechanism (5) between dustproof membrane (41) and material area (3), sealing mechanism (5) are including sealed fixture block (52) and sealed draw-in groove (51), sealed fixture block (52) and material area (3) fixed connection, and on dustproof membrane (41) was seted up in sealed draw-in groove (51), sealed draw-in groove (51) and sealed fixture block (52) joint cooperation.

3. The carrier tape dust-proof structure of the PCB board mounter according to claim 2, wherein: and a clamping piece (53) used for clamping the sealing clamping groove (51) and the sealing clamping block (52) is arranged between the sealing clamping block (52) and the sealing clamping groove (51), and the clamping piece (53) is fixedly connected with the component feeding part (2).

4. The carrier tape dust-proof structure of the PCB board mounter according to claim 3, wherein: the outer side of the clamping piece (53) is sleeved with a dust cover (42), the dust cover (42) is fixedly connected and communicated with the component feeding part (2), and the material belt (3) and the dust-proof film (41) are both located in the dust cover (42) before clamping.

5. The carrier tape dust-proof structure of the PCB board mounter according to claim 4, wherein: the dustproof cover (42) is provided with a through hole (421), the material belt (3) and the dustproof film (41) penetrate out of the dustproof cover (42) from the through hole (421) after being clamped in a sealing mode, a blocking curtain (423) is arranged at the through hole (421), and the blocking curtain (423) is fixedly connected with the dustproof cover (42).

6. The carrier tape dust-proof structure of the PCB board mounter according to claim 2, wherein: a separating piece (54) is arranged between the sealing clamping block (52) and one end, close to the chip mounter (1), of the sealing clamping groove (51), the separating piece (54) is fixedly connected with the chip mounter (1), and the sealing clamping groove (51) is separated from the sealing clamping block (52) by the separating piece (54).

7. The carrier tape dust-proof structure of the PCB board mounter according to claim 1, wherein: the material area (3) bottom is provided with conveying roller (32), and conveying roller (32) rotate with components and parts pay-off portion (2) and are connected, and spacing annular (321) have been seted up to conveying roller (32) lateral wall, material area (3) fixedly connected with stopper (33), stopper (33) and spacing annular (321) sliding connection.

8. The carrier tape dust-proof structure of the PCB board mounter according to claim 1, wherein: the material belt (3) is provided with a containing groove (31) for sequentially containing single components, and the containing groove (31) is provided with a plurality of parts.

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