CN207313898U

CN207313898U - Lead frame

Info

Publication number: CN207313898U
Application number: CN201721080176.8U
Authority: CN
Inventors: 王瑞强; 李亚丽
Original assignee: Tianjin Shengrong Textile Co Ltd
Current assignee: Tianjin Shengrong Textile Co Ltd
Priority date: 2017-08-26
Filing date: 2017-08-26
Publication date: 2018-05-04
Anticipated expiration: 2027-08-26

Abstract

The utility model discloses a kind of lead frame, its key points of the technical solution are that hold line bar and the respectively corresponding conduit for respectively holding line bar including stent, multiple be fixed on stent, conduit is fixed on stent, hold connecting portion and the hinged supporting part of connecting portion that line bar includes being connected with stent, and the fixed part for being set on supporting part and being slidably connected with supporting part, the hinge axes of supporting part are perpendicular to the length direction of supporting part, length direction slip of the fixed part along supporting part；When supporting part is parallel with the length direction of connecting portion, fixed part can be set on connecting portion, reached section space-efficient effect.

Description

Lead frame

Technical field

It the utility model is related to a kind of carpet process equipment, more particularly to a kind of lead frame.

Background technology

In carpet weaving, typically make base fabric with the non-woven fabrics of wide cut, by tufting process, with row's pin machine on base fabric Tool synthetic tuft, forms loop pile or the carpet of cut pile.Common lead frame needs to thread it before use, on corresponding row's pin Every pin.Lead frame is equipped with lead frame, every line is all correspondingly provided with single line roller.

Existing lead frame is CN206266848U Chinese patents as announced, and discloses a kind of tufting machine movement and is filled for yarn Put, rows of tube fixing pipes is fixed with rack.Cylinder yarn cylinder fixing pipe supports line roller.But this Yarn supply device makes line Roller is horizontal positioned, and when larger with line amount, lead frame can take big quantity space.

Utility model content

The purpose of this utility model is to provide a kind of lead frame, can save its space occupied.

The above-mentioned technical purpose of the utility model technical scheme is that：

A kind of lead frame, including stent, it is multiple be fixed on stent holding line bar and respectively correspondence respectively hold leading for line bar Spool, conduit are fixed on stent, hold connecting portion and the hinged supporting part of connecting portion that line bar includes being connected with stent, with And the fixed part for being set on supporting part and being slidably connected with supporting part, the length of the hinge axes of supporting part perpendicular to supporting part Direction, fixed part are slided along the length direction of supporting part；When supporting part is parallel with the length direction of connecting portion, fixed part can be with It is set on connecting portion.

By using above-mentioned technical proposal, structure of the line bar as support line roller will be held, hinged supporting part is set, can be with Realized by rotation support portion and hold the bending of line bar, change the distance for holding the horizontal expenditure of line bar, when needing thread-changing roller or solution Line bar can be held by bending during disconnection problem, more spaces are supplied to user.Can reduce keeps for user to grasp The necessary horizontal space of work, and then more lead frames can be set in opposite narrow space, need to reach the standard grade in tufting machine Multiple lead frames placed side by side that can be compact when more.Help to save space.

Preferably, stent includes chassis, the center pillar being fixed on chassis and the lateral column for being fixed in center pillar both sides, line bar is held Center pillar is fixed in towards on the end face of adjacent lateral column, conduit is fixed on lateral column.

By using above-mentioned technical proposal, set center pillar to be used to support and hold line bar, set lateral column to be used to support conduit, Conduit can be made to be relatively simple to thread with holding line bar, make the center pillar both ends line roller held in line bar closer to the distance respectively from two Conduit arrangement on lateral column, can avoid the occurrence of position intersection, contribute to the proper alignment of yarn.

Preferably, the length direction of the projection of connecting portion in the horizontal plane and the vertical line angle of center pillar to lateral column are acute angle.

By using above-mentioned technical proposal, can on the premise of the maximum length for holding line bar is certain, can by lateral column with The smaller that distance is set between center pillar, helps to reduce the space occupied needed for stent, further saves and taken needed for lead frame Space.

Preferably, the hinge axes of supporting part are horizontal, connecting portion is obliquely installed, and one end away from center pillar is higher.

By using above-mentioned technical proposal, can on the premise of the maximum length for holding line bar is certain, can by lateral column with The smaller that distance is set between center pillar；At the same time fixed part can be made more stable under the effect of gravity, can be normal to avoid line roller When being fixed on fixed part, fixed part is slided to be departed from connecting portion, so that supporting part rotates the feelings of fixed part and the movement of line roller Condition.

Preferably, the one end of supporting part away from connecting portion is equipped with limited block, limiting slot is provided with fixed part, limited block is limiting Slided in the groove of position.

By using above-mentioned technical proposal, limited block is set, avoids line roller from being driven in yarn tensioning or cabling interim card Fixed part, makes fixed part be slipped from supporting part, sets limiting slot position limited block to provide placement space and spacing plane, helps In the reliability for improving lead frame.

Preferably, being arranged with the turning set with being rotatablely connected with fixed part on fixed part, the pivot center of turning set is with consolidating The length direction for determining portion is parallel.

By using above-mentioned technical proposal, turning set is set, line roller is set on turning set after fixation, energy and fixed part Relatively rotate, make the line sending of line roller more smoothly, avoid yarn it is stuck on lead frame, broken string.

Preferably, being connected with the first fin of at least two annulars on fixed part, the second of annular is connected with turning set Fin, the second fin is between two neighboring first fin.

By using above-mentioned technical proposal, the first fin and the second fin are set, make turning set axial relative to fixed part Movement limited, avoid turning set from being fled from fixed part, while wealth leads to the peace of the form of fin easy to turning set and fixed part Dress.

Preferably, the surface of the first fin and the second fin is round and smooth and tangent.

By using above-mentioned technical proposal, make to contact for line between turning set and fixed part, reduce fixed part and turning set Between friction, the rotation of turning set is more laborsaving, is further ensured that the line sending of line roller is smooth, avoids yarn from blocking on lead frame Extremely, break.

Preferably, the surface of turning set is connected with anti-sliding rib.

By using above-mentioned technical proposal, make the connection between line roller and turning set more stable by anti-sliding rib, avoid Relatively rotate or slide between line roller and turning set, avoid line roller from being slipped from turning set.

In conclusion the utility model has the advantages that：

Reduce the necessary horizontal space for keeping for user to operate；Help to save space；There is the proper alignment in yarn； Stable structure, reliability are high；Reduce the possibility of the stuck broken string of yarn；Reduce the possibility that line roller drops.

Brief description of the drawings

Fig. 1 is the structure diagram of lead frame；

Fig. 2 is the top view of lead frame cross section；

Fig. 3 is lead frame front view；

Fig. 4 is the sectional view that line bar is held when fixed part is not set on connecting portion；

Fig. 5 is the sectional view that line bar is held when fixed part is set on connecting portion.

In figure, 1, stent；11st, chassis；12nd, center pillar；13rd, lateral column；14th, upper frame；141st, hole is passed through；15th, runner；2nd, line is held Bar；21st, connecting portion；22nd, supporting part；221st, limited block；23rd, fixed part；231st, limiting slot；232nd, the first fin；24th, rotate Set；241st, anti-sliding rib；242nd, the second fin；3rd, conduit.

Embodiment

The utility model is described in further detail below in conjunction with attached drawing.The identical attached drawing of wherein identical parts Mark represents.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing, word " bottom surface " and " top surface ", " interior " and " outer " are referred respectively to towards or away from particular elements geometry The direction at center.

A kind of lead frame, as shown in Figure 1, including stent 1, multiple being fixed in holding line bar 2 and correspond to respectively on stent 1 Respectively hold the conduit 3 of line bar 2.

Chassis 11 of the stent 1 including rectangle frame rack-like, the more vertical center pillars 12 being fixed on chassis 11, be fixed in chassis Vertical lateral column 13 on 11, the upper frame 14 for being fixed in center pillar 12 and the top of lateral column 13 and the runner for being fixed in 11 bottom of chassis 15.With reference to shown in Fig. 2, center pillar 12 is evenly spaced to set middle part in a row, and being located at chassis 11.During the quantity of lateral column 13 is Twice of column 12, the both sides of every center pillar 12 are respectively arranged with two lateral columns 13, and the lateral column 13 of each center pillar 12 and its both sides is One group, every group of three columns in the same plane, and each group where plane it is parallel to each other.

As shown in figs. 1 and 3, hold line bar 2 and set and be fixed in center pillar 12 towards on the end face of adjacent lateral column 13, each center pillar 12 On vertically uniform set two row to hold line bar 2.As shown in figure 4, holding line bar 2 includes the affixed company being connected with center pillar 12 Socket part 21, the supporting part 22 hinged with connecting portion 21, the fixed part 23 being slidably connected with supporting part 22 and with 23 turns of fixed part The turning set 24 of dynamic connection.

Connecting portion 21 is elongated rod shape, as shown in figure 3, connecting portion 21 is obliquely installed, connecting portion 21 is close to one end of center pillar 12 It is relatively low.As shown in Fig. 2, and the one end of connecting portion 21 away from center pillar 12 leaned on to close to or away from the direction of adjacent center pillar 12 Hold together, it is acute angle to make the length direction of the projection of connecting rod in the horizontal plane and the vertical line angle of center pillar 12 to lateral column 13.

The main body of supporting part 22 is cylindric.One end of supporting part 22 is connected with the one end of connecting portion 21 away from center pillar 12. The hinge axes of supporting part 22 and connecting portion 21 perpendicular to supporting part 22 length direction and perpendicular to the length side of connecting portion 21 To.

The main body of fixed part 23 is pipe sleeve shape.What the inner wall of fixed part 23 was adapted with along supporting part 22 is sleeved on supporting part 22 On.Fixed part 23 can be slided along the axis of supporting part 22.The one end of 22 main body of supporting part away from connecting portion 21 is equipped with cylinder Limited block 221, limiting slot 231 is provided with fixed part 23, limited block 221 slides in limiting slot 231.With reference to shown in Fig. 5, when When end face of the limiting slot 231 away from supporting part 22 is abutted with limited block 221, fixed part 23 is integrally located at supporting part 22 and connecting portion The side of 21 hinge axes；As shown in figure 4, when limiting slot 231 is abutted close to the end face of supporting part 22 with limited block 221, in Supporting part 22 cuts with scissors center with connecting portion 21 and is located inside fixed part 23, fixed part 23 is set on connecting portion 21.

Turning set 24 is also pipe sleeve shape, is set on fixed part 23, turning set 24 and fixed part 23 are coaxial.Turning set 24 Outer circumference surface is circular conical surface, and smaller close to one end diameter of limiting slot 231.Ring-type is connected with the outer circumference surface of turning set 24 Anti- sliding rib 241.

Three the first annular fins 232 are connected with the outer wall of fixed part 23, the first fin 232 and fixed part 23 are same Axis, and the cross section of the first fin 232 is semicircle.Two and 232 shape of the first fin are connected with the inner wall of turning set 24 Second fin 242 as patibhaga-nimitta, the second fin 242 and turning set 24 are coaxial, and the cross section of the second fin 242 is also semicircle Shape.Two the second fins 242 are respectively between two adjacent the first fins 232.First fin 232 and the second fin 242 Periphery abut.

As shown in Figure 1, conduit 3 is fixed on lateral column 13, conduit 3 is transparent hose.One end of conduit 3 with it is corresponding To hold line bar 2 opposite；One end for being arranged on stent 1 of the other end and other all 3 mutual flushes of conduit, and with one group Column 12 is vertical with the plane that lateral column 13 is formed.It is provided with upper frame 14 by hole, conduit 3 is adjacent to lateral column 13 along bending, and along side The length direction of column 13 is extended up through by hole, and the top of upper frame 14 is flattened on after bending again.The each several part of each conduit 3 Bending segment corresponds to parallel to each other.

In use, rotation support portion 22 is parallel with connecting portion 21, fixed part 23 is slided, makes fixed part 23 while the company of being set in In socket part 21 and supporting part 22, line roller is sleeved on clamping on turning set 24, yarn is filled in corresponding lead pipe 3, guide spool 3 Middle air blowing send yarn to the other end of conduit 3.After removing line roller, fixed part 23 is slided into the side away from center pillar 12, Gu Determine portion 23 to disengage with connecting portion 21, it is sagging that supporting part 22 loses support nature rotation.

This specific embodiment is only explanation to the utility model, it is not the limitation to the utility model, ability Field technique personnel as needed can make the present embodiment the modification of no creative contribution after this specification is read, but As long as all protected in the right of the utility model be subject to Patent Law.

Claims

1. a kind of lead frame, including stent (1), it is multiple be fixed on stent (1) holding line bar (2) and correspondence respectively holds line respectively The conduit (3) of bar (2), conduit (3) are fixed on stent (1), it is characterised in that：Holding line bar (2) is included with stent (1) even The connecting portion (21) that connects, with the hinged supporting part (22) of connecting portion (21), and be set on supporting part (22) and and supporting part (22) fixed part (23) being slidably connected, the hinge axes of supporting part (22) are fixed perpendicular to the length direction of supporting part (22) Slided along the length direction of supporting part (22) in portion (23)；When supporting part (22) is parallel with the length direction of connecting portion (21), Gu Determining portion (23) can be set on connecting portion (21).

2. lead frame according to claim 1, it is characterised in that：Stent (1) includes chassis (11), is fixed in chassis (11) On center pillar (12) and be fixed in the lateral column (13) of center pillar (12) both sides, hold line bar (2) and be fixed in center pillar (12) towards adjacent On the end face of lateral column (13), conduit (3) is fixed on lateral column (13).

3. lead frame according to claim 2, it is characterised in that：The length side of the projection of connecting portion (21) in the horizontal plane It is acute angle to the vertical line angle with center pillar (12) to lateral column (13).

4. lead frame according to claim 2, it is characterised in that：The hinge axes of supporting part (22) are horizontal, connecting portion (21) it is obliquely installed, and one end away from center pillar (12) is higher.

5. lead frame according to claim 1, it is characterised in that：The one end of supporting part (22) away from connecting portion (21) is equipped with Limited block (221), fixed part (23) is interior to be provided with limiting slot (231), and limited block (221) slides in limiting slot (231).

6. lead frame according to claim 1, it is characterised in that：It is arranged with fixed part (23) and is rotated with fixed part (23) The turning set (24) of connection, the pivot center of turning set (24) are parallel with the length direction of fixed part (23).

7. lead frame according to claim 6, it is characterised in that：The of at least two annulars is connected with fixed part (23) One fin (232), is connected with the second fin (242) of annular in turning set (24), and the second fin (242) is positioned at two neighboring the Between one fin (232).

8. lead frame according to claim 7, it is characterised in that：The surface of first fin (232) and the second fin (242) It is round and smooth and tangent.

9. lead frame according to claim 6, it is characterised in that：The surface of turning set (24) is connected with anti-sliding rib（241）.