CN209778987U - Automatic device convenient to zip fastener electric ion platinization processing - Google Patents

Abstract

The utility model discloses an automatic device convenient for the electric ion platinization processing of a zipper buckle, wherein a threading plate mounting seat is screwed on the upper surface of a fixed supporting plate of a frame, a fixed threading plate is screwed on the upper end part of the threading plate mounting seat, a threading plate through hole is arranged on the upper end part of the fixed threading plate, and an iron wire conveying mechanism is arranged on the front end side of the fixed threading plate; the upper end side of the movable line pressing block is provided with a zipper buckle transferring mechanism which comprises a zipper buckle transferring mounting frame, a horizontal driving cylinder, a horizontal movable frame, a lifting driving cylinder, a lifting movable frame and a zipper buckle grabbing pneumatic claw; the upper surface of the fixed supporting plate is provided with a zipper fastener vibrating disk at the side of the zipper fastener transferring mechanism, and a zipper fastener guide frame is arranged at the side of a discharge port of the zipper fastener vibrating disk. Through the structure design, the utility model has the advantages of structural design is novel, degree of automation is high, and can be automatic high-efficiently with the zipper fastener display be fixed in the iron wire on, and then conveniently the zipper fastener carries out the electric ion platinization processing operation to improve the zipper fastener platinization effect.

Description

automatic device convenient to zip fastener electric ion platinization processing

Technical Field

The utility model relates to an automation equipment technical field especially relates to an automation equipment convenient to zip fastener electric ion platinization processing.

Background

In order to meet the requirement of high quality of the zipper fastener, the existing zipper fastener needs to be plated with platinum in many times.

In the prior art, the platinizing processing of the zipper fastener is generally realized by adopting a platinizing mode; however, the method of water-platinum plating has the defects of poor platinum plating effect and low efficiency.

In addition, the zipper fastener cannot be fixed in a reasonable mode, namely the zipper fastener is difficult to realize in an electric ion platinizing mode.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough and provide an automation equipment convenient to zip fastener electric ion platinization processing, this automation equipment structural design who is convenient to zip fastener electric ion platinization processing is novel, degree of automation is high, and can be automatically high-efficiently with zip fastener display be fixed in on the iron wire, and then conveniently zip fastener carries out the electric ion platinization processing operation to improve the zip fastener platinization effect.

In order to achieve the above purpose, the present invention is achieved by the following technical solutions.

An automatic device convenient for electric ion platinizing processing of a zipper buckle comprises a rack, wherein a fixed supporting plate which is horizontally and transversely arranged is screwed on the rack, a threading plate mounting seat is screwed on the upper surface of the fixed supporting plate, a fixed threading plate which is vertically arranged is screwed on the upper end part of the threading plate mounting seat, and a threading plate through hole which completely penetrates through the front and the back is formed in the upper end part of the fixed threading plate;

Iron wire transport mechanism has been installed to the front end side of fixed threading board, iron wire transport mechanism is including conveying the mounting bracket, the conveying mounting bracket is including the mounting bracket upside diaphragm that is horizontal transverse arrangement respectively, mounting bracket downside diaphragm, mounting bracket upside diaphragm is located the upper end side of mounting bracket downside diaphragm and mounting bracket upside diaphragm and mounting bracket downside diaphragm interval arrangement, iron wire conveying roller train has been installed to mounting bracket upside diaphragm, iron wire conveying roller train is including being vertical arrangement and synchronous reverse rotation's left side roller shaft respectively, right side roller shaft, left side roller shaft is located the left end side of right side roller shaft and the left side roller shaft is just right to the interval arrangement about the right side roller shaft, mounting bracket upside diaphragm corresponds left side shaft, the roller shaft installation through-hole that completely runs through from top to bottom is seted up respectively to right side roller shaft, left side roller shaft, the upper end part of right side roller shaft is respectively from down up to pass corresponding roller shaft installation through-hole and extend to the last The lower end parts of the left roller shaft and the right roller shaft respectively extend to the lower end side of the transverse plate on the upper side of the mounting frame; the upper end part of the left roller shaft is sleeved with a left iron wire conveying roller, the lower end part of the left roller shaft is sleeved with a left linkage gear, and the left iron wire conveying roller and the left linkage gear respectively rotate synchronously along with the left roller shaft; the upper end part of the right roller shaft is sleeved with a right iron wire conveying roller, the lower end part of the right roller shaft is sleeved with a right linkage gear, and the right iron wire conveying roller and the right linkage gear respectively rotate synchronously along with the right roller shaft; the lower surface of the transverse plate at the lower side of the mounting frame is provided with a transmission driving servo motor in a threaded manner, a power output shaft of the transmission driving servo motor penetrates through the transverse plate at the lower side of the mounting frame and extends to the upper end side of the transverse plate at the lower side of the mounting frame, a transmission driving gear synchronously rotating along with the power output shaft is arranged on the power output shaft of the transmission driving servo motor, the transmission driving gear is meshed with the right side linkage gear, and the right side linkage gear is meshed with the;

the rear surface of the fixed threading plate is screwed with a fixed guide block which is vertically arranged and is positioned at the lower end side of the rear end opening of the threading plate through hole, a guide groove which is completely penetrated up and down is formed between the fixed guide block and the fixed threading plate, a movable threading block which is vertically arranged is movably embedded in the guide groove between the fixed guide block and the fixed threading plate relatively up and down, the lower end side of the movable threading block is provided with a threading block driving mechanism, and the threading block driving mechanism is in driving connection with the movable threading block;

The upper end side of the movable line pressing block is provided with a zipper buckle transfer mechanism, the zipper buckle transfer mechanism comprises a zipper buckle transfer mounting frame screwed on the upper surface of the fixed support plate, the upper end part of the zipper buckle transfer mounting frame is screwed with a horizontal driving cylinder which moves left and right, the extending end part of a piston rod of the horizontal driving cylinder is screwed with a horizontal movable frame, the horizontal movable frame is screwed with a lifting driving cylinder which moves up and down, the extending end part of the piston rod of the lifting driving cylinder is screwed with a lifting movable frame, and the lifting movable frame is screwed with a zipper buckle grabbing air claw; the upper surface of the fixed supporting plate is provided with a zipper buckle vibrating disk at the side of the zipper buckle transferring mechanism, a zipper buckle guiding and feeding frame which is obliquely arranged is arranged at the side of a discharge port of the zipper buckle vibrating disk, a completely penetrating zipper buckle guiding and feeding groove is formed in the zipper buckle guiding and feeding frame, an opening at one end of the zipper buckle guiding and feeding groove is in butt joint with the discharge port of the zipper buckle vibrating disk, and a zipper buckle stop block is screwed at an opening at the other end of the zipper buckle guiding and feeding frame.

The wire pressing block driving mechanism comprises a cylinder hinge seat which is screwed on the upper surface of the fixed supporting plate, a wire pressing block driving cylinder is arranged on the upper end side of the cylinder hinge seat, and the lower end part of the cylinder body of the wire pressing block driving cylinder is hinged with the cylinder hinge seat through a pivot;

The wire pressing block driving mechanism further comprises a driving swing arm which is hinged to the fixed wire pressing plate through a pivot and is located on the lower end side of the movable wire pressing block, and the free end of the driving swing arm is hinged to the extending end of a piston rod of the wire pressing block driving cylinder through the pivot;

The lower end of the movable wire pressing block is provided with a wire pressing block linkage block, an intermediate connecting rod is arranged between the wire pressing block linkage block and the driving swing arm, the lower end of the intermediate connecting rod is hinged with the driving swing arm, and the upper end of the intermediate connecting rod is hinged with the lower end of the wire pressing block linkage block.

The lower end of the movable wire pressing block is provided with a wire pressing block mounting hole which is completely penetrated through and rectangular in shape, the upper end of the wire pressing block linkage block is provided with a linkage block protrusion with the shape consistent with that of the wire pressing block mounting hole, and the linkage block protrusion of the wire pressing block linkage block is embedded in the wire pressing block mounting hole of the movable wire pressing block.

Wherein, the conveying mounting bracket is still including being the mounting bracket connection riser of vertical layout, and the mounting bracket connection riser is located mounting bracket upside diaphragm with between the mounting bracket downside diaphragm, the upper end of mounting bracket connection riser, lower tip respectively with the mounting bracket upside diaphragm of corresponding side, mounting bracket downside diaphragm spiro union, the mounting bracket connection riser still with fixed threading board spiro union.

The transverse plate on the upper side of the mounting frame is respectively provided with an iron wire guide roller group on the front end side and the rear end side of the iron wire conveying roller group;

The iron wire guide roller group comprises at least two left side fixed mounting blocks which are uniformly arranged from front to back at intervals and are respectively screwed and fastened on the upper surface of the transverse plate on the upper side of the mounting frame, and at least two right side fixed mounting blocks which are uniformly arranged from front to back at intervals and are respectively screwed and fastened on the upper surface of the transverse plate on the upper side of the mounting frame, a left T-shaped groove which is opened upwards and extends along the left-right direction is formed between every two adjacent left fixed installation blocks, a left T-shaped block with the cross section shape consistent with that of the left T-shaped groove is embedded in the left T-shaped groove, a left long circular hole which completely penetrates the left T-shaped block from top to bottom and extends along the left-right direction is formed in the left T-shaped groove, a left adjusting screw which is screwed with a transverse plate on the upper side of the installation frame is embedded in the left long circular hole of the left T-shaped block, a left guide roller shaft which vertically extends upwards is arranged on the left T-shaped block, and a left iron wire guide roller is sleeved at the upper end of the; the shaping has the opening upwards and along the right side T type groove that left right direction extends between two adjacent right side fixed mounting pieces, the right side T type piece that the cross-sectional shape is unanimous with the cross-sectional shape in right side T type groove is embedded to be equipped with in the right side T type groove, the right side slotted hole that runs through completely about the right side T type piece was seted up and extends along left right direction, the right side slotted hole of right side T type piece inlays and is equipped with the right side adjusting screw with mounting bracket upside diaphragm spiro union, the right side T type piece is installed the right side guide roller axle of vertical extension up, the upper end cover of right side guide roller axle is equipped with right side iron wire guide roller.

The upper surface of the front end part of the transverse plate on the upper side of the mounting frame is provided with an iron wire positioning seat in a threaded manner on the front end side of the iron wire guide roller set on the front side, the iron wire positioning seat is provided with an iron wire positioning hole which is completely penetrated in the front and back direction, and the front end opening of the iron wire positioning hole is in a flaring shape.

The iron wire induction mechanism comprises a left side induction mounting seat and a right side induction mounting seat which are respectively screwed on the upper surface of the upper side transverse plate of the mounting frame, the left side induction mounting seat is positioned on the left side of the right side induction mounting seat, the left side induction mounting seat and the right side induction mounting seat are oppositely arranged at intervals, a groove-shaped photoelectric switch is screwed on the upper end part of the left side induction mounting seat, a movable induction sheet is hinged on the upper end part of the right side induction mounting seat through a pivot, and an induction sheet through hole which completely penetrates through the front and the back is formed in the middle position of the movable induction sheet; when the iron wire passes through the induction sheet through hole of the movable induction sheet from front to back, the free end part of the movable induction sheet extends into the induction groove of the groove-shaped photoelectric switch; when no iron wire passes through the induction sheet through hole of the movable induction sheet from front to back, the free end part of the movable induction sheet falls down and exits from the induction groove of the groove-shaped photoelectric switch due to self gravity.

The utility model has the advantages that: the utility model relates to an automatic device convenient for electric ion platinizing processing of zipper buttons, which comprises a frame, wherein a fixed support plate which is horizontally and transversely arranged is screwed on the frame, a threading plate mounting seat is screwed on the upper surface of the fixed support plate, a fixed threading plate which is vertically arranged is screwed on the upper end part of the threading plate mounting seat, and the upper end part of the fixed threading plate is provided with threading plate through holes which are completely penetrated in the front and the back; iron wire transport mechanism has been installed to the front end side of fixed threading board, iron wire transport mechanism is including conveying the mounting bracket, the conveying mounting bracket is including the mounting bracket upside diaphragm that is horizontal transverse arrangement respectively, mounting bracket downside diaphragm, mounting bracket upside diaphragm is located the upper end side of mounting bracket downside diaphragm and mounting bracket upside diaphragm and mounting bracket downside diaphragm interval arrangement, iron wire conveying roller train has been installed to mounting bracket upside diaphragm, iron wire conveying roller train is including being vertical arrangement and synchronous reverse rotation's left side roller shaft respectively, right side roller shaft, left side roller shaft is located the left end side of right side roller shaft and the left side roller shaft is just right to the interval arrangement about the right side roller shaft, mounting bracket upside diaphragm corresponds left side shaft, the roller shaft installation through-hole that completely runs through from top to bottom is seted up respectively to right side roller shaft, left side roller shaft, the upper end part of right side roller shaft is respectively from down up to pass corresponding roller shaft installation through-hole and extend to the last The lower end parts of the left roller shaft and the right roller shaft respectively extend to the lower end side of the transverse plate on the upper side of the mounting frame; the upper end part of the left roller shaft is sleeved with a left iron wire conveying roller, the lower end part of the left roller shaft is sleeved with a left linkage gear, and the left iron wire conveying roller and the left linkage gear respectively rotate synchronously along with the left roller shaft; the upper end part of the right roller shaft is sleeved with a right iron wire conveying roller, the lower end part of the right roller shaft is sleeved with a right linkage gear, and the right iron wire conveying roller and the right linkage gear respectively rotate synchronously along with the right roller shaft; the lower surface of the transverse plate at the lower side of the mounting frame is provided with a transmission driving servo motor in a threaded manner, a power output shaft of the transmission driving servo motor penetrates through the transverse plate at the lower side of the mounting frame and extends to the upper end side of the transverse plate at the lower side of the mounting frame, a transmission driving gear synchronously rotating along with the power output shaft is arranged on the power output shaft of the transmission driving servo motor, the transmission driving gear is meshed with the right side linkage gear, and the right side linkage gear is meshed with the; the rear surface of the fixed threading plate is screwed with a fixed guide block which is vertically arranged and is positioned at the lower end side of the rear end opening of the threading plate through hole, a guide groove which is completely penetrated up and down is formed between the fixed guide block and the fixed threading plate, a movable threading block which is vertically arranged is movably embedded in the guide groove between the fixed guide block and the fixed threading plate relatively up and down, the lower end side of the movable threading block is provided with a threading block driving mechanism, and the threading block driving mechanism is in driving connection with the movable threading block; the upper end side of the movable line pressing block is provided with a zipper buckle transfer mechanism, the zipper buckle transfer mechanism comprises a zipper buckle transfer mounting frame screwed on the upper surface of the fixed support plate, the upper end part of the zipper buckle transfer mounting frame is screwed with a horizontal driving cylinder which moves left and right, the extending end part of a piston rod of the horizontal driving cylinder is screwed with a horizontal movable frame, the horizontal movable frame is screwed with a lifting driving cylinder which moves up and down, the extending end part of the piston rod of the lifting driving cylinder is screwed with a lifting movable frame, and the lifting movable frame is screwed with a zipper buckle grabbing air claw; the upper surface of the fixed supporting plate is provided with a zipper buckle vibrating disk at the side of the zipper buckle transferring mechanism, a zipper buckle guiding and feeding frame which is obliquely arranged is arranged at the side of a discharge port of the zipper buckle vibrating disk, a completely penetrating zipper buckle guiding and feeding groove is formed in the zipper buckle guiding and feeding frame, an opening at one end of the zipper buckle guiding and feeding groove is in butt joint with the discharge port of the zipper buckle vibrating disk, and a zipper buckle stop block is screwed at an opening at the other end of the zipper buckle guiding and feeding frame. Through the structure design, the utility model has the advantages of structural design is novel, degree of automation is high, and can be automatically high-efficiently with the zipper fastener display be fixed in the iron wire on, and then conveniently the zipper fastener carries out the electric ion platinization processing operation to improve the zipper fastener platinization effect.

Drawings

The invention will be further described with reference to the drawings, but the embodiments in the drawings do not constitute any limitation of the invention.

Fig. 1 is a schematic view of a structure of a fastener.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic structural view of another view angle of the present invention.

Fig. 4 is a schematic structural diagram of the iron wire conveying mechanism of the present invention.

Fig. 5 is an exploded schematic view of the iron wire conveying mechanism of the present invention.

Fig. 6 is a partially enlarged schematic view of fig. 5.

Fig. 7 is a schematic structural diagram of the line ball driving mechanism of the present invention.

Fig. 8 is an exploded view of the driving mechanism of the wire pressing block of the present invention.

Fig. 9 is a schematic structural view of the slide fastener transfer mechanism of the present invention.

Fig. 10 is a schematic view showing the fastener chain display fixed to an iron wire.

Fig. 1 to 10 include:

1-frame 11-fixed supporting plate

21-threading board mounting seat 22-fixed threading board

221-threading plate through hole 3-iron wire transmission mechanism

31-conveying mounting rack 311-mounting rack upper side cross plate

3111 roller axle mounting through hole 312, mounting rack lower cross plate

313-mounting frame connecting vertical plate 32-iron wire conveying roller group

321-left roller axle 322-right roller axle

323 left side wire transfer roller 324 left side linkage gear

325-right side iron wire transmission roller 326-right side linkage gear

33-transmission drive servomotor 34-transmission drive gear

35-iron wire guide roller group 3511-left side fixed mounting block

3512-right side fixed mounting block 3521-left side T-shaped groove

3522-right side T-shaped groove 3531-left side T-shaped block

35311 left long round hole 3532 right T-shaped block

35321 right slotted hole 3541 left guide roller shaft

3542-right guide roller shaft 3551-left iron wire guide roller

3552 iron wire guide roller 36 on right side iron wire positioning seat

361-iron wire positioning hole 37-iron wire induction mechanism

371 left side induction mounting base 372 right side induction mounting base

373-groove type photoelectric switch 374-movable induction sheet

3741-induction sheet through hole 41-fixed guide block

42-movable line ball block 421-line ball block mounting hole

5-line pressing block driving mechanism 51-cylinder hinged seat

52-line pressing block driving cylinder 53-driving swing arm

54-line pressing block linkage block 541-linkage block projection

55-middle connecting rod 6-zipper fastener transfer mechanism

61-zipper fastener transfer mounting frame 62-horizontal driving cylinder

63-horizontal movable frame 64-lifting driving cylinder

65-lifting movable frame 66-zipper fastener grabbing pneumatic claw

71-vibrating disk of zipper fastener 72-guiding and conveying frame of zipper fastener

73-zipper fastener stopper 100-iron wire

101-zipper fastener.

Detailed Description

The present invention will be described with reference to specific embodiments.

As shown in fig. 1 to 10, an automation device convenient for processing of platinum plating of electric ions of zipper buttons comprises a frame 1, wherein a fixed support plate 11 which is horizontally and transversely arranged is mounted on the frame 1 in a threaded manner, a threading plate mounting seat 21 is mounted on the upper surface of the fixed support plate 11 in a threaded manner, a fixed threading plate 22 which is vertically arranged is mounted on the upper end of the threading plate mounting seat 21 in a threaded manner, and a threading plate through hole 221 which completely penetrates through the front and the rear of the upper end of the fixed threading plate 22 is formed.

Wherein, the front end side of the fixed threading plate 22 is provided with an iron wire conveying mechanism 3, the iron wire conveying mechanism 3 comprises a conveying mounting frame 31, the conveying mounting frame 31 comprises a mounting frame upper side transverse plate 311 and a mounting frame lower side transverse plate 312 which are respectively arranged horizontally and transversely, the mounting frame upper side transverse plate 311 is positioned at the upper end side of the mounting frame lower side transverse plate 312, the mounting frame upper side transverse plate 311 is arranged at the interval with the mounting frame lower side transverse plate 312, the mounting frame upper side transverse plate 311 is provided with an iron wire conveying roller group 32, the iron wire conveying roller group 32 comprises a left roller shaft 321 and a right roller shaft 322 which are respectively arranged vertically and rotate synchronously and reversely, the left roller shaft 321 is positioned at the left end side of the right roller shaft 322, the left roller shaft 321 is arranged right opposite to the right roller shaft 322, the mounting frame upper side transverse plate 311311 is provided with roller shaft mounting through holes 1 which are, the upper ends of the left roller shaft 321 and the right roller shaft 322 respectively pass through the corresponding roller shaft mounting through holes 3111 from bottom to top and respectively extend to the upper end side of the mounting frame upper side transverse plate 311, and the lower ends of the left roller shaft 321 and the right roller shaft 322 respectively extend to the lower end side of the mounting frame upper side transverse plate 311; the upper end part of the left roller shaft 321 is sleeved with a left iron wire transmission roller 323, the lower end part of the left roller shaft 321 is sleeved with a left linkage gear 324, and the left iron wire transmission roller 323 and the left linkage gear 324 respectively rotate synchronously with the left roller shaft 321; the upper end part of the right roller shaft 322 is sleeved with a right iron wire transmission roller 325, the lower end part of the right roller shaft 322 is sleeved with a right linkage gear 326, and the right iron wire transmission roller 325 and the right linkage gear 326 respectively rotate synchronously along with the right roller shaft 322; it should be explained that flat key structures are respectively arranged between the left iron wire transmission roller 323 and the left roller shaft 321 and between the left linkage gear 324 and the left roller shaft 321, the left iron wire transmission roller 323 and the left roller shaft 321 are assembled and connected in a shaft hole matching manner, the left iron wire transmission roller 323 and the left roller shaft 321 are in rotation stopping connection through the flat key structures, the left linkage gear 324 and the left roller shaft 321 are also assembled and connected in a shaft hole matching manner, and the left linkage gear 324 and the left roller shaft 321 are in rotation stopping connection through the flat key structures; similarly, flat key structures are respectively arranged between the right iron wire conveying roller 325 and the right roller shaft 322 and between the right linkage gear 326 and the right roller shaft 322, the right iron wire conveying roller 325 and the right roller shaft 322 are assembled and connected in a shaft hole matching manner, the right iron wire conveying roller 325 and the right roller shaft 322 are in rotation stopping connection through the flat key structures, the right linkage gear 326 and the right roller shaft 322 are also assembled and connected in a shaft hole matching manner, and the right linkage gear 326 and the right roller shaft 322 are in rotation stopping connection through the flat key structures.

Further, a transmission driving servo motor 33 is screwed on the lower surface of the transverse plate 312 on the lower side of the mounting frame, a power output shaft of the transmission driving servo motor 33 penetrates through the transverse plate 312 on the lower side of the mounting frame and extends to the upper end side of the transverse plate 312 on the lower side of the mounting frame, a transmission driving gear 34 which synchronously rotates along with the power output shaft is arranged on the power output shaft of the transmission driving servo motor 33, the transmission driving gear 34 is meshed with a right side linkage gear 326, and the right side linkage gear 326 is meshed with a left side linkage gear 324; the transmission driving gear 34 is assembled on the power output shaft of the transmission driving servo motor 33 in a shaft hole matching mode, and the transmission driving gear 34 is connected with the power output shaft of the transmission driving servo motor 33 in a rotation stopping mode through the flat key structure.

furthermore, the rear surface spiral shell of fixed threading board 22 is equipped with and is vertical arrangement and is located the distolateral fixed guide block 41 under the threading board through-hole 221 rear end opening, the shaping has the guide way that runs through completely from top to bottom between fixed guide block 41 and the fixed threading board 22, but inlay the movable line ball piece 42 that is vertical arrangement relatively from top to bottom movably in the guide way between fixed guide block 41 and the fixed threading board 22, the lower extreme side dress of activity line ball piece 42 is equipped with line ball piece actuating mechanism 5, line ball piece actuating mechanism 5 and movable line ball piece 42 drive connection.

in addition, a zipper buckle transferring mechanism 6 is arranged at the upper end side of the movable line pressing block 42, the zipper buckle transferring mechanism 6 comprises a zipper buckle transferring installation frame 61 screwed on the upper surface of the fixed support plate 11, a horizontal driving cylinder 62 which moves left and right is screwed at the upper end part of the zipper buckle transferring installation frame 61, a horizontal movable frame 63 is screwed at the extending end part of a piston rod of the horizontal driving cylinder 62, a lifting driving cylinder 64 which moves up and down is screwed at the horizontal movable frame 63, a lifting movable frame 65 is screwed at the extending end part of the piston rod of the lifting driving cylinder 64, and a zipper buckle grabbing air claw 66 is screwed at the lifting movable frame 65; the upper surface of the fixed supporting plate 11 is provided with a zipper slider vibrating disk 71 beside the zipper slider transfer mechanism 6, a zipper slider guiding and feeding frame 72 which is arranged obliquely is arranged on the side of a discharge port of the zipper slider vibrating disk 71, the zipper slider guiding and feeding frame 72 is provided with a completely penetrating zipper slider guiding and feeding groove, an opening at one end of the zipper slider guiding and feeding groove is butted with the discharge port of the zipper slider vibrating disk 71, and a zipper slider block 73 is screwed on the opening at the other end of the zipper slider 101 guiding and feeding frame 72.

It should be explained that the wire pressing block driving mechanism 5 comprises a cylinder hinge seat 51 screwed on the upper surface of the fixed support plate 11, a wire pressing block driving cylinder 52 is arranged on the upper end side of the cylinder hinge seat 51, and the lower end part of the cylinder body of the wire pressing block driving cylinder 52 is hinged with the cylinder hinge seat 51 through a pivot; the line pressing block driving mechanism 5 further comprises a driving swing arm 53 which is hinged to the fixed threading plate 22 through a pivot and is positioned on the lower end side of the movable line pressing block 42, and the free end of the driving swing arm 53 is hinged to the piston rod extending end of the line pressing block driving cylinder 52 through the pivot; the lower end of the movable line pressing block 42 is provided with a line pressing block linkage block 54, an intermediate connecting rod 55 is arranged between the line pressing block linkage block 54 and the driving swing arm 53, the lower end of the intermediate connecting rod 55 is hinged with the driving swing arm 53, and the upper end of the intermediate connecting rod 55 is hinged with the lower end of the line pressing block linkage block 54.

It should be explained that the utility model discloses a line ball linkage piece 54 and activity line ball 42 can adopt following mode to realize the assembly connection, and is specific: the lower end of the movable wire pressing block 42 is provided with a wire pressing block mounting hole 421 which completely penetrates in the front and back direction and is rectangular, the upper end of the wire pressing block linkage block 54 is provided with a linkage block protrusion 541 which is consistent with the shape of the wire pressing block mounting hole 421, and the linkage block protrusion 541 of the wire pressing block linkage block 54 is embedded in the wire pressing block mounting hole 421 of the movable wire pressing block 42.

to the utility model discloses an iron wire transport mechanism 3 transfers around for guide iron wire 100 is accurate, the utility model discloses a following structural design, it is concrete: the iron wire guide roller groups 35 are respectively arranged on the front end side and the rear end side of the iron wire conveying roller group 32 by the transverse plate 311 on the upper side of the mounting frame; the iron wire guide roller group 35 comprises at least two left fixed mounting blocks 3511 which are uniformly arranged from front to back at intervals and are respectively screwed and fastened on the upper surface of the upper transverse plate 311 of the mounting frame, at least two right fixed mounting blocks 3512 which are uniformly arranged from front to back at intervals and are respectively screwed and fastened on the upper surface of the upper transverse plate 311 of the mounting frame, a left T-shaped groove 3521 which is opened upwards and extends along the left-right direction is formed between every two adjacent left fixed mounting blocks 3511, a left T-shaped block 3531 with the cross section shape identical to that of the left T-shaped groove 3521 is embedded in the left T-shaped groove 3521, a left long circular hole 35311 which completely penetrates up and down and extends along the left-right direction is formed in the left T-shaped block 3531, a left adjusting screw which is screwed with the upper transverse plate 311 of the mounting frame is embedded in the left long circular hole 35311 of the left T-shaped block 3531, a left guide roller shaft 3541 which extends vertically, a left iron wire guide roller 3551 is sleeved at the upper end part of the left guide roller shaft 3541; a right T-shaped groove 3522 which is opened upwards and extends along the left-right direction is formed between every two adjacent right fixed mounting blocks 3512, a right T-shaped block 3532 with the cross section shape consistent with that of the right T-shaped groove 3522 is embedded in the right T-shaped groove 3522, a right long round hole 35321 which completely penetrates through the right T-shaped block 3532 up and down and extends along the left-right direction is formed in the right T-shaped groove 3532, a right adjusting screw which is in threaded connection with the transverse plate 311 on the upper side of the mounting frame is embedded in the right long round hole 35321 of the right T-shaped block 3532, a right guide roller shaft 3542 which vertically extends upwards is arranged on the right T-shaped block 3532, and a right iron wire guide roller 3552 is sleeved at the upper.

still be exactly, conveying mounting bracket 31 is still including being the mounting bracket connection riser 313 of vertical arrangement, and mounting bracket connection riser 313 is located between mounting bracket upside horizontal plate 311 and the mounting bracket downside horizontal plate 312, and the upper end, the lower tip of mounting bracket connection riser 313 respectively with the mounting bracket upside horizontal plate 311 of corresponding side, mounting bracket downside horizontal plate 312 spiro union, mounting bracket connection riser 313 still with fixed threading board 22 spiro union.

It should be further noted that the iron wire positioning seat 36 is screwed on the front end side of the iron wire guiding roller set 35 on the front side of the upper surface of the front end portion of the transverse plate 311 on the upper side of the mounting frame, the iron wire positioning seat 36 is provided with an iron wire positioning hole 361 which completely penetrates in the front and back direction, and the front end opening of the iron wire positioning hole 361 is in a flaring shape. An iron wire induction mechanism 37 is arranged between the iron wire positioning seat 36 and the front iron wire guide roller group 35 of the mounting frame upper side transverse plate 311, the iron wire induction mechanism 37 comprises a left side induction mounting seat 371 and a right side induction mounting seat 372 which are respectively screwed on the upper surface of the mounting frame upper side transverse plate 311, the left side induction mounting seat 371 is positioned at the left side of the right side induction mounting seat 372, the left side induction mounting seat 371 and the right side induction mounting seat 372 are oppositely arranged at intervals left and right, a groove type photoelectric switch 373 is screwed at the upper end part of the left side induction mounting seat 371, a movable induction sheet 374 is hinged at the upper end part of the right side induction mounting seat 372 through a pivot, and an induction sheet through hole 3741 which completely penetrates through the front and the rear is formed in the middle position; when the iron wire 100 passes through the sensing piece through hole 3741 of the movable sensing piece 374 from front to back, the free end of the movable sensing piece 374 extends into the sensing slot of the slot-type photoelectric switch 373; when no iron wire 100 passes through the sensing piece through hole 3741 of the movable sensing piece 374 from front to back, the free end portion of the movable sensing piece 374 falls down and exits out of the sensing slot of the slot-type photoelectric switch 373 due to its own weight.

The utility model is provided with a PLC controller which is electrically connected with an external power supply, and a transmission driving servo motor 33, a groove-shaped photoelectric switch 373, a line pressing block driving cylinder 52, a horizontal driving cylinder 62, a lifting driving cylinder 64 and a zipper fastener vibrating disk 71 are respectively electrically connected with the PLC controller; during operation, the PLC controller controls the transmission driving servo motor 33, the line pressing block driving cylinder 52, the horizontal driving cylinder 62, the lifting driving cylinder 64 and the zipper fastener vibrating disk 71 to act, and the groove-shaped photoelectric switch 373 sends the induction signal to the PLC controller.

For the iron wire transmission mechanism 3 of the present invention, in the working process, the worker sequentially passes the end of the iron wire 100 through the iron wire positioning hole 361 of the positioning block of the iron wire 100 and the induction sheet through hole 3741 of the movable induction sheet 374, and the end of the iron wire 100 sequentially passes through the iron wire guiding roller set 35 at the front side, the iron wire transmission roller set 32, the iron wire guiding roller set 35 at the rear side and the threading plate through hole 221 of the fixed threading plate 22 from front to back, in the process of realizing the transmission of the iron wire 100 from front to back, because the iron wire 100 passes through the induction sheet through hole 3741 of the movable induction sheet 374 from front to back, the free end of the movable induction sheet 374 extends into the induction groove 373 of the groove photoelectric switch 373 at this time, the groove photoelectric switch 373 obtains a signal and feeds the signal back to the PLC controller, the PLC controller controls the transmission driving servo motor 33 to start, the power output shaft of the transmission driving servo motor 33 drives the transmission driving gear 34 to rotate, the rotating transmission driving gear 34 drives the right linking gear 326 to rotate, and since the left linking gear 324 is engaged with the right linking gear 326, in the process of rotating the right linkage gear 326, the left linkage gear 324 rotates along with the right linkage gear 326, the left linkage gear 324 and the right linkage gear 326 synchronously rotate in opposite directions drive the left roller shaft 321 and the right roller shaft 322 to synchronously rotate in opposite directions, the left roller shaft 321 and the right roller shaft 322 synchronously rotate in opposite directions drive the left iron wire conveying roller 323 and the right iron wire conveying roller 325 to synchronously rotate in opposite directions, under the action of the left and right iron wire conveying rollers 323, 325 rotating synchronously and reversely, the iron wire 100 between the left and right iron wire conveying rollers 323, 325 is pushed from front to back; it should be explained that the PLC controller of the present invention controls the transmission driving servo motor 33 to move intermittently, i.e. the iron wire 100 is moved intermittently from front to back. To the utility model discloses an iron wire guide roller group 35, iron wire 100 can pass through between left side iron wire guide roller 3551 and right side iron wire guide roller 3552, and left side iron wire guide roller 3551 matches with right side iron wire guide roller 3552 and guides iron wire 100 and transfer from the front to the back.

It should be emphasized that, to the utility model discloses an iron wire transport mechanism 3, when iron wire 100 from preceding backward conveying finishes and do not have iron wire 100 in the response piece through-hole 3741 of activity response piece 374, the free end of activity response piece 374 falls and withdraws from in the response inslot of cell type photoelectric switch 373 because of self gravity, cell type photoelectric switch 373 feeds back the signal to the PLC controller this moment, PLC controller control conveying drive servo motor 33 stops the action, iron wire 100 conveying action stops this moment.

In addition, for the iron wire guiding roller set 35 of the present invention, the left T-shaped block 3531 and the right T-shaped block 3532 are respectively adjustable, so that the distance between the left iron wire guiding roller 3551 and the right iron wire guiding roller 3552 is adapted to the iron wires 100 with different diameters; in the process of adjusting the distance between the left iron wire guide roller 3551 and the right iron wire guide roller 3552, a worker can unscrew the left adjusting screw and the right adjusting screw, move the left T-shaped block 3531 left and right along the left T-shaped groove 3521 and move the right T-shaped block 3532 left and right along the right T-shaped groove 3522 after unscrewing the left adjusting screw and the right adjusting screw, and screw the corresponding left adjusting screw and the right adjusting screw to fix the left T-shaped block 3531 and the right T-shaped block 3532 after the left T-shaped block 3531 and the right T-shaped block 3532 are adjusted and moved in place; in the process of moving the left T-block 3531 and the right T-block 3532 by left-right adjustment, the left guide roller shaft 3541 and the left iron wire guide roller 3551 move left and right in synchronization with the left T-block 3531, and the right guide roller shaft 3542 and the right iron wire guide roller 3552 move left and right in synchronization with the right T-block 3532.

In the process that the iron wire conveying mechanism 3 drives the iron wire 100 to pass through the threading plate through hole 221 of the fixed threading plate 22 in a clearance mode, the PLC controls the action of the zipper fastener vibrating disc 71, the zipper fasteners 101 are conveyed into the zipper fastener guide grooves of the zipper fastener guide frame 72 in a tidy mode through the zipper fastener vibrating disc 71, and the zipper fasteners 101 entering the zipper fastener guide grooves are blocked by the zipper fastener stoppers 73 at the tail ends of the zipper fastener guide frame 72.

In the process that the zipper buckle 101 is transferred by the zipper buckle transfer mechanism 6, the PLC controls the horizontal driving cylinder 62 to act and enables the zipper buckle grabbing air claw 66 to move to the upper side of the zipper buckle guiding and conveying frame 72, the zipper buckle grabbing air claw 66 is aligned to the zipper buckle 101 at the foremost end, the PLC controls the lifting driving cylinder 64 to act, the lifting driving cylinder 64 drives the zipper buckle grabbing air claw 66 to move downwards and enables the zipper buckle grabbing air claw 66 to grab the zipper buckle 101, and then the PLC controls the horizontal driving cylinder 62 and the lifting driving cylinder 64 to act so that the zipper buckle 101 clamped by the zipper buckle grabbing air claw 66 moves to the position right above the movable line pressing block 42; after waiting to draw zipper fastener 101 to be transferred to activity line ball piece 42 directly over, the action of line ball piece drive actuating cylinder 52 is controlled to the PLC controller, line ball piece drive actuating cylinder 52 drive swing arm 53 swings, wobbling drive swing arm 53 pushes away line ball piece linkage block 54 and activity line ball piece 42 up through intermediate connecting rod 55, the activity line ball piece 42 that moves up supports top up and passes through the iron wire 100 of threading board through-hole 221, and then makes iron wire 100 insert and chucking in the draw-in groove of drawing zipper fastener 101 (as shown in fig. 10). The utility model discloses an iron wire 100 is conveyed from the past backward by 3 clearance ground of iron wire transport mechanism, draws zipper fastener transfer mechanism 6 and line ball piece actuating mechanism 5 to move according to above-mentioned mode to make and draw zipper fastener 101 display to be fixed in on iron wire 100. In the process of performing the electric ion platinizing operation on the zipper 101, since the zipper 101 is arranged and fixed on the iron wire 100, the zipper 101 does not rotate during the electric ion platinizing operation, thereby effectively improving the platinizing effect of the zipper 101.

synthesize above-mentioned circumstances and know, through above-mentioned structural design, the utility model has the advantages of structural design is novel, degree of automation is high, and can be automatically high-efficiently with zip fastener 101 display be fixed in on iron wire 100, and then conveniently zip fastener 101 and carry out the electric ion and plate platinum processing operation to improve zip fastener 101 and plate platinum effect.

The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.

Claims (7)

1. The utility model provides an automation equipment convenient to zip fastener electricity ion platinization processing which characterized in that: the multifunctional wire drawing machine comprises a rack (1), wherein a fixed supporting plate (11) which is horizontally and transversely arranged is screwed on the rack (1), a wire drawing plate mounting seat (21) is screwed on the upper surface of the fixed supporting plate (11), a fixed wire drawing plate (22) which is vertically arranged is screwed on the upper end part of the wire drawing plate mounting seat (21), and a wire drawing plate through hole (221) which completely penetrates through the front and the back is formed in the upper end part of the fixed wire drawing plate (22);

The front end side of the fixed threading plate (22) is provided with a wire conveying mechanism (3), the wire conveying mechanism (3) comprises a conveying mounting frame (31), the conveying mounting frame (31) comprises a mounting frame upper side transverse plate (311) and a mounting frame lower side transverse plate (312) which are horizontally and transversely arranged respectively, the mounting frame upper side transverse plate (311) is positioned at the upper end side of the mounting frame lower side transverse plate (312), the mounting frame upper side transverse plate (311) and the mounting frame lower side transverse plate (312) are arranged at intervals, the mounting frame upper side transverse plate (311) is provided with a wire conveying roller group (32), the wire conveying roller group (32) comprises a left roller shaft (321) and a right roller shaft (322) which are vertically arranged and synchronously and reversely rotate, the left roller shaft (321) is positioned at the left end side of the right roller shaft (322), the left roller shaft (321) and the right roller shaft (322) are, roller shaft mounting through holes (3111) which are completely penetrated up and down are respectively formed in the mounting frame upper side transverse plate (311) corresponding to the left roller shaft (321) and the right roller shaft (322), the upper end parts of the left roller shaft (321) and the right roller shaft (322) respectively penetrate through the corresponding roller shaft mounting through holes (3111) from bottom to top and respectively extend to the upper end side of the mounting frame upper side transverse plate (311), and the lower end parts of the left roller shaft (321) and the right roller shaft (322) respectively extend to the lower end side of the mounting frame upper side transverse plate (311); a left iron wire transmission roller (323) is sleeved at the upper end part of the left roller shaft (321), a left linkage gear (324) is sleeved at the lower end part of the left roller shaft (321), and the left iron wire transmission roller (323) and the left linkage gear (324) respectively rotate synchronously with the left roller shaft (321); the upper end part of the right roller shaft (322) is sleeved with a right iron wire conveying roller (325), the lower end part of the right roller shaft (322) is sleeved with a right linkage gear (326), and the right iron wire conveying roller (325) and the right linkage gear (326) respectively rotate synchronously along with the right roller shaft (322); a transmission driving servo motor (33) is screwed on the lower surface of the transverse plate (312) at the lower side of the mounting frame, a power output shaft of the transmission driving servo motor (33) penetrates through the transverse plate (312) at the lower side of the mounting frame and extends to the upper end side of the transverse plate (312) at the lower side of the mounting frame, a transmission driving gear (34) which synchronously rotates along with the power output shaft is arranged on the power output shaft of the transmission driving servo motor (33), the transmission driving gear (34) is meshed with a right side linkage gear (326), and the right side linkage gear (326) is meshed with a left side linkage gear (324);

The rear surface of the fixed threading plate (22) is provided with a fixed guide block (41) which is vertically arranged and is positioned at the lower end side of a rear end opening of the threading plate through hole (221) in a threaded manner, a guide groove which is completely penetrated up and down is formed between the fixed guide block (41) and the fixed threading plate (22), a movable thread pressing block (42) which is vertically arranged is embedded in the guide groove between the fixed guide block (41) and the fixed threading plate (22) in a relatively movable manner up and down, the lower end side of the movable thread pressing block (42) is provided with a thread pressing block driving mechanism (5), and the thread pressing block driving mechanism (5) is in driving connection with the movable thread pressing block (42);

A zipper buckle transferring mechanism (6) is arranged on the upper end side of the movable line pressing block (42), the zipper buckle transferring mechanism (6) comprises a zipper buckle transferring mounting frame (61) which is screwed on the upper surface of the fixed supporting plate (11), a horizontal driving cylinder (62) which moves left and right is screwed on the upper end part of the zipper buckle transferring mounting frame (61), a horizontal movable frame (63) is screwed on the extending end part of a piston rod of the horizontal driving cylinder (62), a lifting driving cylinder (64) which moves up and down is screwed on the horizontal movable frame (63), a lifting movable frame (65) is screwed on the extending end part of the piston rod of the lifting driving cylinder (64), and a zipper buckle grabbing air claw (66) is screwed on the lifting movable frame (65); the upper surface of the fixed supporting plate (11) is provided with a zipper buckle vibrating disk (71) at the side of the zipper buckle transferring mechanism (6), a zipper buckle guiding and feeding frame (72) which is obliquely arranged is arranged at the side of a discharge hole of the zipper buckle vibrating disk (71), a completely penetrating zipper buckle guiding and feeding groove is formed in the zipper buckle guiding and feeding frame (72), one end opening of the zipper buckle guiding and feeding groove is butted with the discharge hole of the zipper buckle vibrating disk (71), and a zipper buckle stopper (73) is screwed on the other end opening of the zipper buckle (101) guiding groove of the zipper buckle guiding and feeding frame (72).

2. The automated apparatus for facilitating the electrowinning of zipper buttons according to claim 1, wherein: the wire pressing block driving mechanism (5) comprises a cylinder hinge seat (51) which is screwed on the upper surface of the fixed supporting plate (11), a wire pressing block driving cylinder (52) is arranged on the upper end side of the cylinder hinge seat (51), and the lower end part of the cylinder body of the wire pressing block driving cylinder (52) is hinged with the cylinder hinge seat (51) through a pivot;

The wire pressing block driving mechanism (5) further comprises a driving swing arm (53) which is hinged to the fixed wire threading plate (22) through a pivot and is positioned on the lower end side of the movable wire pressing block (42), and the free end of the driving swing arm (53) is hinged to the extending end of the piston rod of the wire pressing block driving cylinder (52) through the pivot;

the lower end part of the movable wire pressing block (42) is provided with a wire pressing block linkage block (54), an intermediate connecting rod (55) is arranged between the wire pressing block linkage block (54) and the driving swing arm (53), the lower end part of the intermediate connecting rod (55) is hinged with the driving swing arm (53), and the upper end part of the intermediate connecting rod (55) is hinged with the lower end part of the wire pressing block linkage block (54).

3. The automated apparatus for facilitating the electrowinning of zipper buttons according to claim 1, wherein: the lower tip of activity line ball piece (42) is seted up around and is run through completely and be line ball piece mounting hole (421) of rectangle shape, the upper end of line ball piece linkage block (54) is provided with the linkage block arch (541) unanimous with line ball piece mounting hole (421) shape, and the linkage block arch (541) of line ball piece linkage block (54) inlays and inserts in line ball piece mounting hole (421) of activity line ball piece (42).

4. the automated apparatus for facilitating the electrowinning of zipper buttons according to claim 1, wherein: conveying mounting bracket (31) is still including mounting bracket connection riser (313) that is vertical arrangement, and mounting bracket connection riser (313) are located mounting bracket upside diaphragm (311) with between mounting bracket downside diaphragm (312), the upper end of mounting bracket connection riser (313), lower tip respectively with mounting bracket upside diaphragm (311), mounting bracket downside diaphragm (312) spiro union of corresponding side, mounting bracket connection riser (313) still with fixed threading board (22) spiro union.

5. the automated apparatus for facilitating the electrowinning of zipper buttons according to claim 1, wherein: the transverse plate (311) at the upper side of the mounting rack is respectively provided with an iron wire guide roller group (35) at the front end side and the rear end side of the iron wire conveying roller group (32);

the iron wire guide roller group (35) comprises at least two left side fixed mounting blocks (3511) which are uniformly arranged from front to back at intervals and are respectively screwed and fixedly arranged on the upper surface of the upper side transverse plate (311) of the mounting frame, at least two right side fixed mounting blocks (3512) which are uniformly arranged from front to back at intervals and are respectively screwed and fixedly arranged on the upper surface of the upper side transverse plate (311) of the mounting frame, a left side T-shaped groove (3521) which is opened upwards and extends along the left-right direction is formed between every two adjacent left side fixed mounting blocks (3511), a left side T-shaped block (3531) with the cross section shape being consistent with that of the left side T-shaped groove (3521) is embedded in the left side T-shaped groove (3521), a left side long round hole (35311) which completely penetrates upwards and downwards and extends along the left-right direction is formed in the left side T-shaped block (3531), a left side adjusting screw which is screwed with the upper side transverse plate (311) is embedded, the left T-shaped block (3531) is provided with a left guide roller shaft (3541) which extends upwards vertically, and the upper end part of the left guide roller shaft (3541) is sleeved with a left iron wire guide roller (3551); an upward opening right-side T-shaped groove (3522) extending along the left-right direction is formed between two adjacent right-side fixed installation blocks (3512), a right-side T-shaped block (3532) with the cross section shape consistent with that of the right-side T-shaped groove (3522) is embedded in the right-side T-shaped groove (3522), a right-side long round hole (35321) which completely penetrates up and down and extends along the left-right direction is formed in the right-side T-shaped block (3532), a right-side adjusting screw in threaded connection with an upper side transverse plate (311) of the installation frame is embedded in a right-side long round hole (35321) of the right-side T-shaped block (3532), a right-side guide roller shaft (3542) extending vertically upwards is installed on the right-side T-shaped block (3532), and a right-side iron wire guide roller (3552.

6. The automated apparatus for facilitating the electrowinning of zipper buttons according to claim 5, wherein: the upper surface of the front end part of the transverse plate (311) on the upper side of the mounting frame is provided with an iron wire positioning seat (36) in the front side, the side of the front end of the iron wire guide roller set (35) is provided with the iron wire positioning seat (36) in a threaded manner, the iron wire positioning seat (36) is provided with an iron wire positioning hole (361) which completely penetrates through the front and the back, and the front end opening of the iron wire positioning hole (361) is in a.

7. The automated apparatus for facilitating the electrowinning of zipper buttons according to claim 6, wherein: the iron wire induction mechanism (37) is arranged between the iron wire positioning seat (36) and the iron wire guide roller group (35) on the front side of the mounting frame on the upper side transverse plate (311), the iron wire induction mechanism (37) comprises a left side induction mounting seat (371) and a right side induction mounting seat (372) which are respectively screwed on the upper surface of the mounting frame on the upper side transverse plate (311), the left side induction mounting seat (371) is positioned on the left side of the right side induction mounting seat (372), the left side induction mounting seat (371) and the right side induction mounting seat (372) are oppositely arranged at intervals, a groove-shaped photoelectric switch (373) is screwed on the upper end of the left side induction mounting seat (371), a movable induction sheet (374) is arranged on the upper end of the right side induction mounting seat (372) through a pivot, and an induction sheet through hole (3741) which completely penetrates through the front and back is formed in the middle position of the movable; when the iron wire (100) passes through the sensing sheet through hole (3741) of the movable sensing sheet (374) from front to back, the free end part of the movable sensing sheet (374) extends into the sensing groove of the groove-shaped photoelectric switch (373); when no iron wire (100) passes through the sensing piece through hole (3741) of the movable sensing piece (374) from front to back, the free end part of the movable sensing piece (374) falls down and exits out of the sensing groove of the groove-shaped photoelectric switch (373) due to the self-gravity.