阅读说明：本技术 一种螺旋式螺钉定向送料方法 (Spiral screw directional feeding method ) 是由 沈秋芹 于 2019-09-27 设计创作，主要内容包括：本发明公开了一种螺旋式螺钉定向送料方法,包括螺钉进料机构、螺钉分料机构、定向盘和振动器,定向盘上设有涡状槽,涡状槽的螺旋臂的初始端的高度到末端的高度逐渐变高,定向盘在位于涡状槽的初始端上设有下料孔和挡料弧板,定向盘设有回收锥孔,螺钉分料机构包括分料上盖、分料外圈、锥形分散盘和分料内圈,分料上盖设有分料入口,分料内圈与分料外圈通过连接块连接,锥形分散盘的顶端位于分料入口内；本发明通过在定向盘上设置涡状槽,且涡状槽的螺旋臂的初始端的高度到末端的高度逐渐变高,然后在振动器的工作下以及利用螺钉的自重下,螺钉能够依次沿着涡状槽移动,然后依次从下料孔落下,从而完成螺钉定向输送,结构更简单,生产成本低。(The invention discloses a screw type screw directional feeding method, which comprises a screw feeding mechanism, a screw distributing mechanism, a directional disc and a vibrator, wherein the directional disc is provided with a volute groove, the height from the initial end to the tail end of a spiral arm of the volute groove is gradually increased, the directional disc is provided with a blanking hole and a material blocking arc plate at the initial end of the volute groove, the directional disc is provided with a recovery taper hole, the screw distributing mechanism comprises a distributing upper cover, a distributing outer ring, a conical dispersion disc and a distributing inner ring, the distributing upper cover is provided with a distributing inlet, the distributing inner ring is connected with the distributing outer ring through a connecting block, and the top end of the conical dispersion disc is positioned in the distributing inlet; according to the invention, the vortex groove is arranged on the directional disk, the height from the initial end to the tail end of the spiral arm of the vortex groove is gradually increased, then the screws can sequentially move along the vortex groove under the working of the vibrator and the self weight of the screws, and then sequentially fall from the blanking hole, so that the directional conveying of the screws is completed, the structure is simpler, and the production cost is low.)

1. The utility model provides a directional pay-off method of spiral screw, its characterized in that, includes screw feed mechanism (1), screw feed mechanism (2), positioning disk (3) and vibrator (4), positioning disk (3) are fixed on vibrator (4), be equipped with vortex groove (31) on positioning disk (3), the height of the initial end of the spiral arm in vortex groove (31) highly becomes to terminal height gradually, positioning disk (3) are equipped with unloading hole (32) on the initial end that lies in vortex groove (31), positioning disk (3) still are equipped with on the initial end that lies in vortex groove (31) and keep off material arc board (33) with unloading hole (32) complex, the middle part of positioning disk (3) is equipped with retrieves taper hole (34), the middle part correspondence of vibrator (4) is equipped with central round hole, screw feed mechanism (2) are including upper cover (21), The material distribution device comprises a material distribution outer ring (22), a conical dispersion disc (23) and a material distribution inner ring (24), wherein the material distribution outer ring (22) is correspondingly fixed on the outer circumferential wall of the orientation disc (3), a material distribution upper cover (21) is correspondingly fixed on the material distribution outer ring (22), a material distribution inlet (211) is formed in the middle of the material distribution upper cover (21), the material distribution inner ring (24) and the material distribution outer ring (22) are fixedly connected together through a plurality of connecting blocks (25), the connecting blocks (25) are arranged at equal intervals, the bottom end of the conical dispersion disc (23) is fixed on the material distribution inner ring (24), the top end of the conical dispersion disc (23) extends into the material distribution inlet (211), and a screw feeding mechanism (1) is arranged on the material distribution upper cover (21) and used for conveying screws into the material distribution inlet (211);

connecting the blanking hole 32 with the working track, then placing the screw into the screw feeding mechanism 1, the screw feeding mechanism 1 delivering the screw to the material distributing inlet 211, and the top end of the conical dispersion plate 23 extending into the material distributing inlet 211, at this time the screw dropping on the conical surface of the conical dispersion plate 23 and sliding down along the conical surface of the conical dispersion plate 23, one part of the screw dropping directly onto the orientation plate 3 from the gap between the connection blocks 25, and the other part dropping onto the connection block 25 first and then sliding down onto the orientation plate 3 from the connection block 25, so as to make the screw dropping dispersedly, which is beneficial to improving the success rate of screw orientation, after the screw dropping on the orientation plate 3, the screw rod of the screw will be embedded into the spiral groove 31, the screw head will be limited on the top end of the spiral groove 31, thereby completing the orientation of the screw, then under the work of the vibrator 4 and the screw gravity, the screw sequentially moves along the spiral groove 31 toward the initial end of the spiral groove 31, when the screw of foremost removed to feed opening 32, can fall from feed opening 32, then and then the work track, assemble work, so, the screw can fall from feed opening 32 in proper order, thereby accomplish the directional transport of screw, and set up and keep off the material arc board 33 and can guarantee that the screw that the orientation succeeds all falls and get into the work track from feed opening 32, it gets into and retrieves taper hole 34 to avoid the screw that the orientation succeeds to cross behind feed opening 32, and the screw that the orientation fails then can roll on retrieving taper hole 34, retrieve from retrieving taper hole 34, so that put into once more on screw feed mechanism 1.

Technical Field

The invention relates to the technical field of screw assembly, in particular to a directional feeding method for a spiral screw.

Background

The screw is a common assembly part and consists of a screw head and a screw rod, and during an assembly process, the screw is often required to be oriented first, and the existing screw orienting equipment has the problems of complex structure and high cost.

Disclosure of Invention

The invention aims to overcome the defects and provide a screw type screw directional feeding method.

In order to achieve the purpose, the invention adopts the following specific scheme:

a screw type screw directional feeding method comprises a screw feeding mechanism, a screw distributing mechanism, a directional disc and a vibrator, wherein the directional disc is fixed on the vibrator, a vortex groove is formed in the directional disc, the height from the initial end of a spiral arm of the vortex groove to the tail end of the spiral arm of the vortex groove is gradually increased, a blanking hole is formed in the initial end of the vortex groove of the directional disc, a material blocking arc plate matched with the blanking hole is further arranged at the initial end of the vortex groove of the directional disc, a recovery taper hole is formed in the middle of the directional disc, a central round hole is correspondingly formed in the middle of the vibrator, the screw distributing mechanism comprises a distributing upper cover, a distributing outer ring, a conical dispersion disc and a distributing inner ring, the distributing outer ring is correspondingly fixed on the outer circumferential wall of the directional disc, the distributing upper cover is correspondingly fixed on the distributing outer ring, a distributing inlet is formed in the middle of the distributing upper cover, the material distributing inner ring and the material distributing outer ring are fixedly connected together through a plurality of connecting blocks, the connecting blocks are arranged at equal intervals, the bottom end of the conical dispersion disc is fixed on the material distributing inner ring, the top end of the conical dispersion disc extends into the material distributing inlet, and the screw feeding mechanism is arranged on the material distributing upper cover and used for conveying screws into the material distributing inlet.

The spiral baffle plate extends along the direction of the spiral groove and covers the spiral groove at the peripheral position of the recovery taper hole.

Wherein, the connecting block is the structure of buckling, the width of connecting block is along radially outwards grow gradually, the apex angle of connecting block is up.

The screw feeding mechanism comprises a feeding shell, a feeding driving cylinder, a feeding stop block and a feeding hopper, wherein the feeding shell is fixed on a material distributing inlet of a material distributing upper cover, the feeding driving cylinder is fixed at one end of the feeding shell, the feeding stop block is arranged in the feeding shell, a discharge spout end of the feeding hopper is fixed on the feeding shell, an output end of the feeding driving cylinder extends into the feeding shell and then is connected with one end of the feeding stop block, and a feeding round hole is formed in one end, close to the feeding driving cylinder, of the feeding stop block.

The invention has the beneficial effects that: compared with the prior art, the screw directional conveying device has the advantages that the vortex-shaped groove is formed in the directional disc, the height from the initial end to the tail end of the spiral arm of the vortex-shaped groove is gradually increased, the screws can sequentially move along the vortex-shaped groove under the working of the vibrator and the self weight of the screws, and then sequentially fall from the blanking holes and enter the working track, so that the screw directional conveying is completed, the structure is simpler, and the production cost is low.

Drawings

FIG. 1 is a perspective view of a screw-type directional feeding device provided by an embodiment of the invention;

FIG. 2 is a sectional view of a screw-type directional feeding device provided by an embodiment of the invention;

FIG. 3 is a schematic structural diagram of a directional disk provided in an embodiment of the present invention;

FIG. 4 is a schematic view of a portion of the structure of a directional disk provided in an embodiment of the present invention;

FIG. 5 is an exploded view of a screw depiler mechanism according to an embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a screw feeding mechanism provided in an embodiment of the present invention;

FIG. 7 is an exploded view of a screw feeder mechanism provided by an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a connecting block provided in an embodiment of the present invention;

description of reference numerals: 1-screw feeding mechanism; 11-a feed housing; 12-a feed drive cylinder; 13-a feed stop; 131-a feeding circular hole; 14-a feed hopper; 2-a screw distributing mechanism; 21-distributing upper cover; 211-a feed inlet; 22-separating outer ring; 23-a conical dispersion disc; 24-material distributing inner rings; 25-connecting blocks; 3-orienting disc; 31-a volute groove; 32-a blanking hole; 33-a material blocking arc plate; 34-recovering the taper hole; 35-a helical baffle; 4-vibrator.

Detailed Description

The invention will be described in further detail with reference to the following figures and specific examples, without limiting the scope of the invention.

As shown in fig. 1 to 8, the screw-type screw directional feeding method according to this embodiment includes a screw feeding mechanism 1, a screw distributing mechanism 2, a directional disk 3 and a vibrator 4, the directional disk 3 is fixed on the vibrator 4, a spiral groove 31 is provided on the directional disk 3, a height from an initial end to a terminal end of a spiral arm of the spiral groove 31 gradually increases, a blanking hole 32 is provided at the initial end of the spiral groove 31 of the directional disk 3, the directional disk 3 is further provided with a material blocking arc plate 33 matching with the blanking hole 32 at the initial end of the spiral groove 31, a recovery taper hole 34 is provided at a middle portion of the directional disk 3, a central circular hole is correspondingly provided at a middle portion of the vibrator 4, the screw distributing mechanism 2 includes a distributing upper cover 21, a distributing outer ring 22, a conical dispersing disk 23 and a distributing inner ring 24, the distributing outer ring 22 is correspondingly fixed on an outer circumferential wall of the directional disk 3, the material distributing upper cover 21 is correspondingly fixed on the material distributing outer ring 22, the middle part of the material distributing upper cover 21 is provided with a material distributing inlet 211, the material distributing inner ring 24 and the material distributing outer ring 22 are fixedly connected together through eight connecting blocks 25, the eight connecting blocks 25 are arranged at equal intervals, the bottom end of the conical dispersion disc 23 is fixed on the material distributing inner ring 24, the top end of the conical dispersion disc 23 extends into the material distributing inlet 211, and the screw feeding mechanism 1 is arranged on the material distributing upper cover 21 and used for conveying screws into the material distributing inlet 211.

Specifically, the width of the spiral groove 31 is larger than the width of the screw rod and smaller than the width of the screw head, the diameter of the bottom of the conical dispersion plate 23 is larger than the diameter of the material distribution inlet 211, when in operation, the blanking hole 32 is connected with the working track, then the screw is put on the screw feeding mechanism 1, the screw feeding mechanism 1 conveys the screw to the material distribution inlet 211, the top end of the conical dispersion plate 23 is arranged to extend into the material distribution inlet 211, at the moment, the screw falls on the conical surface of the conical dispersion plate 23 and slides along the conical surface of the conical dispersion plate 23, one part of the screw directly falls onto the orientation plate 3 from the gap between the connection blocks 25, and the other part falls onto the connection block 25 and then falls onto the orientation plate 3 from the connection block 25, thereby the screw can fall off dispersedly, the success rate of screw orientation is improved, after the screw falls onto the orientation plate 3, the screw rod of the screw can be embedded into the spiral groove 31, the screw head is limited at the top end of the volute groove 31 so as to complete the orientation of the screw, then under the working of the vibrator 4 and the gravity of the screw, the screw sequentially moves towards the initial end direction of the volute groove 31 along the volute groove 31, when the screw at the foremost end moves to the blanking hole 32, the screw can fall from the blanking hole 32 and then further enters the working track for assembly, so that the screw can sequentially fall from the blanking hole 32 so as to complete the directional conveying of the screw, the baffle arc plate 33 is arranged so as to ensure that the screw which is successfully oriented falls from the blanking hole 32 and enters the working track, the situation that the screw which is successfully oriented crosses the blanking hole 32 and then enters the recovery taper hole 34 is avoided, and the screw which is failed in orientation rolls onto the recovery taper hole 34 and is recovered from the recovery taper hole 34 so as to be placed on the screw feeding mechanism 1 again is avoided.

In the embodiment, the spiral groove 31 is arranged on the directional disk 3, the height from the initial end to the tail end of the spiral arm of the spiral groove 31 is gradually increased, then under the work of the vibrator 4 and the self weight of the screw, the screw can sequentially move along the spiral groove 31 and then sequentially fall from the blanking hole 32 and enter the working track, so that the directional conveying of the screw is completed, the structure is simpler, and the production cost is low.

Based on the above embodiment, further, as shown in fig. 3, a spiral baffle 35 is fixed at the top end of the baffle arc plate 33, the spiral baffle 35 extends along the direction of the spiral groove 31 and covers the spiral groove 31 at the peripheral position of the recovery taper hole 34; specifically, the height of the spiral baffle 35 is slightly greater than the height of the screw head, that is, when the screw is oriented in the spiral groove 31, the screw head is located below the spiral baffle 35, and since the screw is gradually moved into the spiral groove 31 around the recovery tapered hole 34 under the operation of the vibrator 4, and the density of the screw is high, the spiral baffle 35 is arranged to effectively block the screw from being separated from the spiral groove 31 due to the vibration and the pressing force between the screws.

Based on above-mentioned embodiment, further, as shown in fig. 8, the connecting block 25 is a bending plate structure, the width of the connecting block 25 gradually increases along the radial direction, the vertex angle of the connecting block 25 is upward, which is more beneficial to the screw to slide from the connecting block 25, and the screw can be effectively prevented from being retained in the connecting block 25.

Based on the above embodiment, further, as shown in fig. 1, fig. 2, fig. 6 and fig. 7, the screw feeding mechanism 1 includes a feeding housing 11, a feeding driving cylinder 12, a feeding stopper 13 and a feeding hopper 14, the feeding housing 11 is fixed on a material distributing inlet 211 of a material distributing upper cover 21, the feeding driving cylinder 12 is fixed at one end of the feeding housing 11, the feeding stopper 13 is disposed in the feeding housing 11, a discharge nozzle end of the feeding hopper 14 is fixed on the feeding housing 11, an output end of the feeding driving cylinder 12 extends into the feeding housing 11 and then is connected to one end of the feeding stopper 13, and one end of the feeding stopper 13 close to the feeding driving cylinder 12 is provided with a feeding circular hole 131; during operation, put into feeding hopper 14 with batch screw, at this moment, feeding drives actuating cylinder 12 and drives feeding dog 13 and stretch out, make feeding round hole 131 of feeding dog 13 correspond with the hourglass mouth end of feeding hopper 14, at this moment, the screw falls to feeding round hole 131 in from the hourglass mouth end of feeding hopper 14, then feeding drives actuating cylinder 12 and drives the fender dog and withdraws, make feeding round hole 131 of feeding dog 13 correspond with the branch material entry 211 that divides material upper cover 21, thereby the screw falls into branch material entry 211 in feeding round hole 131 this moment, feeding dog 13's the other end is plugged up feeding hopper 14's hourglass mouth end simultaneously, thereby realize the transport of screw, so drive actuating cylinder 12 at the feeding and drive the continuous reciprocating motion of feeding dog 13, can constantly realize the transport of screw.

The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present patent application are included in the protection scope of the present patent application.