CN207823976U - A kind of receiving and feeding device of jewellery lace pattern-etching machine - Google Patents

Abstract

The utility model discloses a kind of receiving and feeding devices of jewellery lace pattern-etching machine, including：Engine base；Rotary type is assemblied in the side of the engine base charging for installing feed rolls feeding spool, and unprocessed lace winding is on the feed rolls；Rotary type is assemblied in the rewinding spool of the engine base side opposite with the feeding spool, and rewinding reel is equipped on the rewinding spool, and the lace of machined completion is wound on the rewinding reel；And it is set to the 4th power source on the engine base for the lace after driving the receiving volume shaft rotation is dynamic to be processed with winding；Receiving and feeding device provided by the utility model, it is dynamic by the 4th power source drive receiving volume shaft rotation, in a manner of driving feeding spool rotation constantly expansion lace, instead of the working method of the manual sending and receiving lace of staff, the working efficiency of pattern-etching machine receiving and feeding is improved.

Description

A kind of receiving and feeding device of jewellery lace pattern-etching machine

Technical field

The utility model is related to processing of ornament technical field, more particularly to the receiving and feeding of a kind of jewellery lace pattern-etching machine fill It sets.

Background technology

The band-like noble metal lace former material of many of jewellery, these lace former materials are needed after producing in its table Decorative pattern is cut in order to retrofit later in face, and cuts work and then pattern-etching machine is needed to complete.During traditional vehicle flower, It is to be received in the way of using manual control receiving volume shaft rotation is dynamic to be collected in a manner of winding lace after processing is completed Material, and feeding is then by rotating rewinding spool so that completion, this transmission is unfolded in the lace on feeding spool Material mode needs worker's attention extremely to concentrate, and labor intensity is big so that working efficiency is not high.

Utility model content

The purpose of this utility model is to provide a kind of receiving and feeding device of jewellery lace pattern-etching machine, has what work efficiency is high Advantage.

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

A kind of receiving and feeding device of jewellery lace pattern-etching machine, including：Engine base；Rotary type is assemblied in the one of the engine base charging Side is for installing feed rolls feeding spool, and unprocessed lace winding is on the feed rolls；Rotary type is assemblied in described The rewinding spool of the engine base side opposite with the feeding spool is equipped with rewinding reel on the rewinding spool, machined complete At lace wind on the rewinding reel；And be set on the engine base for drive the receiving volume shaft rotation dynamic with 4th power source of the lace after winding processing.

By using above-mentioned technical proposal, when lace is made into driving worker employed in a plant nursery, while starting the 4th power source, received with driving Material spool rotates, and under the drive of rewinding spool, unprocessed lace is constantly unfolded on feeding spool, so as to complete pattern-etching machine Receiving and feeding work；Receiving and feeding device provided by the utility model, it is dynamic by the 4th power source drive receiving volume shaft rotation, to drive The mode of feeding spool rotation constantly expansion lace improves vehicle instead of the working method of the manual sending and receiving lace of staff The working efficiency of flower machine receiving and feeding.

Further, the 4th power source is to be fixedly arranged on the engine base to drive the rewinding by way of V belt translation 4th motor of shaft rotation.

By using above-mentioned technical proposal, the 4th motor drives receiving volume shaft rotation dynamic by way of V belt translation, Neng Goubian In the dismounting of rewinding spool, at the same it is also relatively inexpensive using the mode of V belt translation.

Further, it is toothed belt transmission between the rewinding spool and the 4th motor.

By using above-mentioned technical proposal, since the processing of lace is very elaboration, required precision is increased, and Toothed belt transmission has the advantages that stable drive, transmission efficiency compared to Belt Drive, therefore selects toothed belt transmission herein Mode be very suitable for.

Further, the workbench is provided with assembly fixture close to the side of the rewinding spool, is set on the assembly fixture It is useful for the clamp assembly for clamping lace and decorations lace being driven to be moved to the rewinding spool side.

By using above-mentioned technical proposal, lace can not only be clamped in the setting of clamp assembly, make lace in wrapup procedure It is middle to keep smooth, and the winding of lace can be assisted, increase the stress point of lace, to keep lace not easy to break, increases and receive The stability of feed device work.

Further, the clamp assembly includes：Rotary type is assemblied in the active rotating shaft on the assembly fixture；Rotary type fills Assigned in side of the active rotating shaft far from the workbench, the first roller for being matched for clamping tightly lace with the active rotating shaft Axis；And the 5th motor for driving the active rotating shaft rotation.

By using above-mentioned technical proposal, when to carry out winding work to lace, start the 5th motor, and then drive master Turn shaft rotation is dynamic, since the first roll shaft and active rotating shaft have been matched for clamping tightly lace, when active rotating shaft rotates, can utilize friction Side where from power drive lace to rewinding spool moves.

Further, the clamp assembly further includes：Rotary type is assemblied in the active rotating shaft close to the rewinding spool The driven spindle of side；Rotary type be assemblied in side of the driven spindle far from the workbench, for described from turn Axis is matched for clamping tightly the second roll shaft of lace；And it is laid in the 5th belt between the active rotating shaft and the driven spindle.

By using above-mentioned technical proposal, when active rotating shaft rotates, driven spindle can active rotating shaft drive it is next With rotation, with the second roll shaft is closed, the stress point of lace is further increased, lace is made more to be not easy to damage in wrapup procedure It is bad, while also making the more smoothly into wrapup procedure is given of lace.

Further, first roll shaft and second roll shaft are made of rubber.

By using above-mentioned technical proposal, there is rubber material certain elasticity can protect decorations when clamping lace Band reduces the damage that lace is subject to, and the frictional force between the first roll shaft and the second roll shaft and lace made of rubber is larger, Also allow for lace into give winding.In conclusion the utility model has the advantages that：

1, drive receiving volume shaft rotation dynamic by the 4th driving source, to drive the side of feeding spool rotation constantly expansion lace Formula improves the working efficiency of pattern-etching machine receiving and feeding instead of the working method of the manual sending and receiving lace of staff；

2, lace can not only be clamped in the setting of clamp assembly, and lace is made to keep smooth in wrapup procedure, and can be with The winding for assisting lace, increases the stress point of lace, to keep lace not easy to break, increases the stabilization of receiving and feeding device work Property.

Description of the drawings

Fig. 1 is the structural schematic diagram of the jewellery lace pattern-etching machine of the utility model embodiment；

Structural schematic diagram one when Fig. 2 is the jewellery lace pattern-etching machine removal protective shell of the utility model embodiment；

Enlarged drawing in Fig. 3 Fig. 2 at A；

Structural schematic diagram two when Fig. 4 is the jewellery lace pattern-etching machine removal protective shell of the utility model embodiment；

Fig. 5 be the utility model embodiment jewellery lace pattern-etching machine in remove cutting mechanism when structural schematic diagram, Middle limit base, protective cover, holder do section view processing；

Fig. 6 is the enlarged drawing at B in Fig. 5.

In figure：1, engine base；11, rack；12, workbench；2, cutting mechanism；21, the first cutter；22, the first power source； 221, first motor；222, the first tape handler；2221, the first transmission shaft；2222, the first belt；2223, it first turns to Axis；2224, the second belt；23, the first mounting base；24, the first regulating mechanism；241, the first anchor ear；25, the first ring cowling；3, living Moving knife seat；31, the first tool apron；311, holder；312, cushion block；313, fastener；314, limit base；32, the first drive shaft；33、 First cam；34, third power source；341, third motor；342, third transmission shaft；343, the 4th transmission shaft；35, bearing；36、 Protective cover；4, receiving and feeding device；41, feeding spool；42, rewinding spool；43, the 4th power source；44, clamp assembly；441, it fills With frame；442, active rotating shaft；443, the first roll shaft；444, the 5th motor；445, driven spindle；446, the second roll shaft；447, Five belts；45, backplate；5, protective shell.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment：

As shown in Figure 1, a kind of pattern-etching machine of jewellery lace provided in this embodiment, including：Engine base 1, is lived at cutting mechanism 2 Moving knife seat 3 and receiving and feeding device 4, wherein engine base 1 are equipped with rack 11 and workbench 12, are also covered on engine base 1 Bright protective shell 5 to protect each equipment and the lace on engine base 1, and is equipped with door on protective shell 5, to facilitate pair Equipment on engine base 1 is adjusted；

Cutting mechanism 2 is set in rack 11 for making into driving worker employed in a plant nursery to lace, and movable tool apron 3 is movable to be assemblied in work Make on platform 12, for support lace and drives lace closer or far from cutting mechanism 2, to complete vehicle of the cutting mechanism 2 to lace Worker employed in a plant nursery makees, and receiving and feeding device 4 is then used to carry out feeding and rewinding during lace vehicle is spent.

Specifically, as shown in Figures 2 and 3, cutting mechanism 2 includes：First cutter device and the second cutter device, wherein First cutter device is set to rack 11 close to the side of feed inlet, the second cutter device be set to the first cutter device far from into The side of material mouth, and the decorative pattern that the first cutter device is cut into the second cutter device on lace is staggered, and is set in rack 11 Two groups of cutter devices are set, and the decorative pattern for making the first cutter device be cut out on lace with the second cutter device is staggered, is in order to full The requirement of the different processing technology of foot.

Further, the first cutter device includes：Rotary type be assemblied in the first cutter 21 in rack 11 and, driving First power source 22 of the first cutter 21 rotation, the first cutter 21 are used to cut to get on the bus out decorative pattern in lace lace, First power source 22 includes：The first motor 221 that is set in rack 11 and it is set to first motor 221 and the first cutter The first tape handler 222 between 21.

Specifically, the first tape handler 222 includes：Rotary type is assemblied in the first transmission shaft 2221 in rack 11, One belt 2222, the second belt 2224 and the first steering shaft 2223, wherein the first transmission shaft 2221 is axially parallel to first The output shaft of motor 221, and the axial direction for being axially perpendicular to the first cutter 21 of the first transmission shaft 2221, the first belt 2222 are arranged Between the output shaft and the first transmission shaft 2221 of first motor 221, and positioned at the first transmission shaft 2221 far from workbench 12 Side, to drive the rotation of the first transmission shaft 2221, the second belt 2224 to be sheathed on the first transmission shaft 2221 and the first cutter 21 It is axially vertical due to the first transmission shaft 2221 between shaft, and positioned at the first transmission shaft 2221 close to the side of workbench 12 In the shaft of the first cutter 21, so the first steering shaft 2223 has been set up between the first transmission shaft 2221 and the first cutter 21, The axial shaft both perpendicular to the first transmission shaft 2221 and the first cutter 21 of first steering shaft 2223, the first steering shaft The purpose of 2223 settings is the transmission direction of the second belt 2224 of change, enables the first cutter 21 in the first transmission shaft 2221 Drive under rotate.

Preferably, in the present embodiment, the first steering shaft 2223 includes：First pulley and the second belt wheel, first pulley With common the second belt of support of the second belt wheel 2224.

Further, the second cutter device includes：Rotary type be assemblied in the second cutter in rack 11 and, driving the Second power source of two cutters rotation, the second cutter are used to cut to get on the bus out decorative pattern in lace lace, the second power Source includes：The second motor being set in rack 11 and the second V belt translation being set between the second motor and the second cutter Mechanism.

Specifically, the second transmission mechanism includes：Rotary type is assemblied in second driving shaft in rack 11, third belt, Four belts and the second steering shaft, the wherein output shaft for being axially parallel to the second motor of second driving shaft, and second driving shaft The axial direction for being axially perpendicular to the second cutter, third belt sleeve be set to the second motor output shaft and second driving shaft between, and Positioned at side of the second driving shaft far from workbench 12, to drive second driving shaft to rotate, the 4th belt sleeve is set to the second transmission Between axis and the shaft of the second cutter, and positioned at second driving shaft close to the side of workbench 12, due to the axis of second driving shaft To the shaft perpendicular to the second cutter, so the second steering shaft has been set up between second driving shaft and the second cutter, second turn To the axial shaft both perpendicular to second driving shaft and the second cutter of axis, the purpose of the second steering shaft setting is to change The transmission direction of 4th belt enables the second cutter to be rotated under the drive of second driving shaft.

Preferably, in the present embodiment, the second steering shaft includes：Third belt wheel and the 4th belt wheel, third belt wheel and Common the 4th belt of support of four belt wheels.

Preferably, in the present embodiment, the first belt 2222, the second belt 2224, third belt, the 4th belt are circle Band.

Further, the first mounting base 23 and the second mounting base are equipped in rack 11, wherein the first mounting base 23 is used In assembling the first cutter 21 and the first steering shaft 2223, the second mounting base is for assembling the second cutter and the second steering shaft； Preferably, the first regulating mechanism 24 is equipped between the first mounting base 23 and rack 11, to adjust the position of the first mounting base 23, The second regulating mechanism is equipped between second mounting base and rack 11, to adjust the position of the second mounting base.

Specifically, the first regulating mechanism 24 includes：First sleeve（It is not indicated in figure）And first anchor ear 241, wherein One sleeve is set to rack 11 close to the side of the first cutter 21, and the first anchor ear 241 is set in the first mounting base 23, passes through Locking or unlocking between one anchor ear 241 and sleeve is fixed, to realize that the first mounting base 23 and locking or unlocking for rack 11 are fixed, Since the first sleeve is cylindrical, the first anchor ear 241 and the first sleeve unlock after determining, and the first anchor ear 241 can be relative to first set Cylinder is freely rotated, and then is accomplished the adjustment of 23 position of the first mounting base, so as to adjust between the first cutter 21 and lace Angle；Since the first anchor ear 241 is the prior art, it is not repeated herein.

Specifically, the second regulating mechanism includes：Second sleeve and the second anchor ear, wherein second sleeve are set to rack 11 are set to close to the side of the second cutter, the second anchor ear in the second mounting base, the principle and the of the second mounting base position adjustment One mounting base 23 is similar, therefore is not repeated herein.

Preferably, it is equipped with the first ring cowling 25 close to one end of the first cutter 21 in the first sleeve, the first ring cowling 25 can limit The position of first mounting base 23 so that the first mounting base 23 is more stable after being locked on the first sleeve, improves safety；Second Sleeve is equipped with the second ring cowling close to one end of the second cutter, and the second ring cowling can limit the position of the second mounting base so that the second peace Dress seat is more stable after being locked in second sleeve, improves safety.

As shown in Fig. 4, Fig. 5 and Fig. 6, movable tool apron 3 includes：First tool apron 31, the first drive shaft 32, the first cam 33, the second tool apron, the second drive shaft, the second cam and third power source 34, wherein 31 slidingtype of the first tool apron is assemblied in work Make on platform 12, and can be slided along perpendicular to the direction of 12 table top of workbench, 32 rotary type of the first drive shaft is assemblied in workbench 12 On, the first cam 33 is arranged in the first drive shaft 32 and positioned at the bottom of the first tool apron 31, can turn with the first drive shaft 32 It moves and rotates, and drive the first tool apron 31 closer or far from the first cutter device, so that the first cutter device is completed to lace Cut work；

Second tool apron slidingtype is assemblied on workbench 12, and can be slided along perpendicular to the direction of 12 table top of workbench, Second drive shaft turns formula is assemblied on workbench 12, and the second cam is set to the bottom in the second drive shaft and positioned at the second tool apron Portion can rotate with the rotation of the second drive shaft, and drive the second tool apron closer or far from the second cutter device, so that second cuts Cut cutting work of the device completion to lace；

Third power source 34 is set on engine base 1, can drive the first drive shaft 32 and the second drive shaft turns simultaneously.

Specifically, third power source 34 includes：Be set to third motor 341 in rack 11, third transmission shaft 342 and 4th transmission shaft 343, the extending direction of wherein third transmission shaft 342 are parallel to the output shaft of third motor 341, the 4th transmission shaft 343 rotary types are assemblied on workbench 12, and extending direction is parallel to third transmission shaft 342；Third motor 341 passes through V belt translation Mode drive third transmission shaft 342 rotate, also by the side of V belt translation between third transmission shaft 342 and the 4th transmission shaft 343 Formula is driven, and the 4th transmission shaft 343 drives the first drive shaft 32 and the second drive shaft turns by way of V belt translation.

Preferably, the V belt translation between third transmission shaft 342 and the 4th transmission shaft 343 is toothed belt transmission, the 4th transmission V belt translation between axis 343 and the first drive shaft 32 and the second drive shaft is also toothed belt transmission.

Preferably, it is arranged with bearing 35 at third transmission shaft 342 and 11 phase assembly of rack, so that third transmission shaft 342 It rotates more smoothly；

Preferably, in the first drive shaft 32, the second drive shaft and the 4th transmission shaft 343 far from third motor 341 one Side frame is equipped with L-shaped protective cover 36, to protect the first drive shaft 32, the second drive shaft and the 4th transmission shaft 343.

Further, the first tool apron 31 includes：The first limit base 314 for being fixedly arranged on workbench is inserted in the first limit The first holder 311, the first cushion block 312 and the first fastener 313 in seat 314, wherein offered on the first limit base 314 For the through-hole that the first holder 311 plugs, the first side of the holder 311 far from workbench 12 offers the first storage tank, the first pad Block 312 is assemblied in by the way that the first fastener 313 is detachable in the first storage tank, with support lace；

Specifically, the first threaded hole is offered on the opposite madial wall of the first storage tank, is offered on the first cushion block 312 Second threaded hole, in the present embodiment, the first fastener 313 are while being screwed together in the spiral shell of the first threaded hole and the second threaded hole Bolt.

Preferably, several second threaded holes are offered on the first cushion block 312, the second threaded hole is on the first cushion block 312 Along being arranged in order perpendicular to the direction of 12 table top of workbench, by making the second threaded hole of different location be connected with the first threaded hole It is logical, and the position of the first cushion block 312 is fastened so that the height of the first cushion block 312 is adjustable, to widen movable tool apron 3 using bolt Application range.

Second tool apron includes：The second limit base for being fixedly arranged on workbench, the second holder being inserted in the second limit base, Second cushion block and the second fastener, wherein the through-hole plugged for the second holder is offered on the second limit base, the second holder is remote Side from workbench 12 offers the second storage tank, and detachable to be assemblied in second accommodating by the second fastener for the second cushion block In slot, with support lace；

Specifically, third threaded hole is offered on the opposite madial wall of the second storage tank, and is offered on the second cushion block Four threaded holes, in the present embodiment, the second fastener are while being screwed together in the bolt of third threaded hole and the 4th threaded hole.

Preferably, several 4th threaded holes are offered on the second cushion block, the 4th threaded hole is vertical in the second cushion block upper edge It is arranged in order in the direction of 12 table top of workbench, by making the third threaded hole of different location be connected with the 4th threaded hole, and Using the position of second piece of bolt fastening pad so that the height of the second cushion block is adjustable, to widen the application range of movable tool apron 3.

As shown in Fig. 2, Fig. 3 and Fig. 4, receiving and feeding device 4 includes：Feeding spool 41, rewinding spool 42 and the 4th are dynamic Power source 43, wherein 41 rotary type of feeding spool are assemblied in the side of the charging of engine base 1, and feeding volume is equipped on feeding spool 41 Cylinder, unprocessed lace winding is on feed rolls；It is opposite with rewinding spool 42 that 42 rotary type of rewinding spool is assemblied in engine base 1 Side is equipped with rewinding reel on rewinding spool 42, and the winding of the lace that machines is on rewinding reel, the 4th power source 43 It is set on engine base 1 for driving rewinding spool 42 to rotate, lace after processing is completed is wound, complete rewinding work.

Specifically, the 4th power source 43 is to be fixedly arranged on engine base 1, rewinding spool 42 is driven to rotate by way of V belt translation The 4th motor, it is preferable that transmission between the 4th motor and rewinding spool 42 is toothed belt transmission.

Further, it is equipped with assembly fixture 441 close to the side of rewinding spool 42 in workbench 12, on above-mentioned assembly fixture 441 Equipped with clamp assembly 44, the side where clamp assembly 44 is used to clamp lace and drives lace to rewinding spool 42 moves, and presss from both sides Lace can not only be clamped in the setting of tight component 44, so that lace is kept smooth in wrapup procedure, and can assist lace Winding, increases the stress point of lace, to keep lace not easy to break, increases the stability of 4 work of receiving and feeding device.

Specifically, clamp assembly 44 includes：Rotary type is assemblied in active rotating shaft 442, the first roll shaft on assembly fixture 441 443 and the 5th motor 444, wherein 443 rotary type of the first roll shaft is assemblied in side of the active rotating shaft 442 far from workbench 12, For being matched for clamping tightly lace with active rotating shaft 442, the 5th motor 444 is for driving active rotating shaft 442 to rotate, so that lace is to receipts Side movement where material spool 42.

Preferably, clamp assembly 44 further includes：Driven spindle 445, the second roll shaft 446 and third belt 447, wherein from 445 rotary type of turn axis is assemblied in active rotating shaft 442 close to the side of rewinding spool 42, and 446 rotary type of the second roll shaft is assemblied in Side of the driven spindle 445 far from workbench 12, and lace can be matched for clamping tightly with driven spindle 445, third belt 447 is sheathed on Between active rotating shaft 442 and driven spindle 445, so that driven spindle 445 can rotate under the drive of active rotating shaft 442.

Preferably, the first roll shaft 443 and the second roll shaft 446 are made of rubber, increase clamp assembly 44 and lace it Between frictional force while, reduce caused by lace damage, to protect lace.

A kind of pattern-etching machine of jewellery lace provided in this embodiment, the course of work in principle approximately as：When will to decorations When bringing driving flower into, first lace is laid on workbench 12, lace is located on movable tool apron 3 at this time, while starting movable blade Seat 3 and cutting mechanism 2, under the driving of movable tool apron 3, lace is moved to close to the side where cutting mechanism 2, works as lace After being abutted with cutting mechanism 2, cutting mechanism 2 is cut into decorative pattern on lace, when movable tool apron 3 to the side far from cutting mechanism 2 To when movement, under gravity, lace is detached with cutting mechanism 2, and then completes the time processing of lace, is filled in receiving and feeding It sets under 4 driving, the lace part machined is advanced to discharging direction, and unprocessed lace part enters processing stations, after Continuous to start to process, such cycle operation can carry out Continuous maching to lace；Jewellery lace vehicle provided by the utility model Flower machine, completes the automatic processing of lace decorative pattern by way of 2 cooperation activity tool apron 3 of cutting mechanism is arranged on pattern-etching machine, Manpower and materials are saved, processing efficiency is greatly improved.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as all being protected by Patent Law in the right of the utility model.

Claims (7)

1. a kind of receiving and feeding device of jewellery lace pattern-etching machine, which is characterized in that including：

Engine base (1), the engine base（1）It is equipped with rack（11）And workbench（12）；

Rotary type is assemblied in the side of the engine base (1) charging for installing feed rolls feeding spool (41), unprocessed decorations Band winding is on the feed rolls；

Rotary type is assemblied in the rewinding spool (42) of the engine base (1) and the opposite side of the feeding spool (41), the receipts Rewinding reel is installed, the lace of machined completion is wound on the rewinding reel in material spool (42)；And

It is set on the engine base (1) for driving rewinding spool (42) rotation dynamic with the wind the lace after processing the 4th Power source (43).

2. the receiving and feeding device of jewellery lace pattern-etching machine according to claim 1, which is characterized in that

4th power source (43) is to be fixedly arranged on the engine base (1) that the rewinding shaft is driven to turn by way of V belt translation The 4th dynamic motor.

3. the receiving and feeding device of jewellery lace pattern-etching machine according to claim 2, it is characterised in that：

It is toothed belt transmission between the rewinding spool (42) and the 4th motor.

4. the receiving and feeding device of jewellery lace pattern-etching machine according to claim 3, it is characterised in that：

The workbench (12) is provided with assembly fixture (441), the assembly fixture (441) close to the side of the rewinding spool (42) Close to the side of the rewinding spool (42), equipped with for clamping lace and driving decorations lace to the rewinding spool (42) place The clamp assembly (44) of side movement.

5. the receiving and feeding device of jewellery lace pattern-etching machine according to claim 4, it is characterised in that：

The clamp assembly (44) includes：

The assembly fixture (441) being fixedly arranged on the workbench (12)；

Rotary type is assemblied in the active rotating shaft (442) on the assembly fixture (441)；

Rotary type be assemblied in the active rotating shaft (442) far from the workbench (12) side, be used for and the active rotating shaft (442) it is matched for clamping tightly the first roll shaft (443) of lace；And

The 5th motor (444) for driving the active rotating shaft (442) to rotate.

6. the receiving and feeding device of jewellery lace pattern-etching machine according to claim 5, which is characterized in that

The clamp assembly (44) further includes：

Rotary type is assemblied in driven spindle (445) of the active rotating shaft (442) close to rewinding spool (42) side；

Rotary type be assemblied in the driven spindle (445) far from the workbench (12) side, be used for and the driven spindle (445) it is matched for clamping tightly the second roll shaft (446) of lace；And

The 5th belt (447) being laid between the active rotating shaft (442) and the driven spindle (445).

7. the receiving and feeding device of jewellery lace pattern-etching machine according to claim 6, it is characterised in that：

First roll shaft (443) and second roll shaft (446) are made of rubber.