CN214491688U - Tooth equipment is melted to stealthy zip fastener of nylon not falling end - Google Patents

Abstract

The utility model discloses a stealthy zip fastener of nylon does not fall end and melts tooth equipment relates to the zip fastener field of making. The scheme comprises a machine tool and a chain belt conveying device, wherein the machine tool is further provided with a chain passing mechanism, a pull head detection assembly and a vacancy detection assembly, a chain belt penetrates through the chain passing mechanism along the conveying direction and sequentially passes through the vacancy detection assembly and the pull head detection assembly, and a vacancy positioning assembly, a tooth melting mold and a tooth melting welding head are further arranged on the machine tool. Through pull head determine module, vacancy determine module auxiliary detection vacancy, rethread vacancy determine module fixes a position the vacancy, carries out the accurate positioning to the position of melting the tooth promptly, and then accomplishes the action that the melting tooth becomes to end through melting tooth bonding tool and melting tooth mould, simple structure, convenience can apply to current zip fastener production line, realizes need not to form the zip fastener that an end and turns around and can accomplish another process that ends and form, is favorable to improving production efficiency.

Description

Tooth equipment is melted to stealthy zip fastener of nylon not falling end

Technical Field

The utility model relates to a zip fastener field of making, concretely relates to stealthy zip fastener of nylon does not fall end and melts tooth equipment.

Background

Referring to fig. 1, a nylon concealed slide fastener product 1 on the market at present is shown in the figure, and includes a fastener tape 101, a nylon fastener element 102 located on the fastener tape, and a concealed slider 103 penetrating through the nylon fastener element 102, wherein an upper stopper 104 and a lower stopper 104 are located on both sides of the concealed slider 103 and are respectively formed by melting the fastener elements on the fastener tape 101.

At present, in the production of zippers, as shown in fig. 2, a zipper tape is a long zipper tape and is a semi-finished product zipper 2, and the zipper tape is cut after the zipper head is penetrated, and an upper stop and a lower stop are formed, so that a multi-section finished product zipper is formed.

In the conventional zipper production line, a mature teeth melting and stopping device is provided to form an upper stop/lower stop at a first position 201 on one side of a slider 103 on a zipper as shown in the figure, G represents a conveying direction of a semi-finished zipper outputted by the teeth melting and stopping device, and if the formation of the other stop remaining on a zipper tape is desired to be completed, i.e., the lower stop/upper stop is formed at a second position 202 in the figure, the zipper tape is horizontally rotated by 180 °, the zipper tape 101 is reversely conveyed into the teeth melting and stopping device again to completely complete the formation of upper teeth and lower teeth on the zipper tape 101, and the machine is stopped and the zipper tape is introduced into the teeth melting and stopping device during the rotation of the zipper tape 101, so that production stagnation is caused, and the production efficiency of the whole zipper is finally reduced.

In order to solve the problems in the prior art, a need exists for a device for melting teeth of a nylon invisible zipper without falling off, which is suitable for zipper production.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model aims to provide an invisible nylon zipper does not fall and melts tooth equipment, it includes the lathe, chain belt conveyor passes chain mechanism, pull head determine module, vacancy locating component, melt tooth mould and melt the tooth bonding tool, through pull head determine module, vacancy determine module auxiliary detection vacancy, rethread vacancy determine module fixes a position the vacancy, carry out the accurate positioning to the position of melting the tooth promptly, and then accomplish the action that the tooth that melts becomes to end through melting tooth bonding tool and melt the tooth mould, moreover, the steam generator is simple in structure, and is convenient, apply to current zipper production line, can realize not needing to fall the end with the zipper that has formed one and can accomplish another process that ends and form, and the steam generator is favorable to improving production efficiency.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme:

the utility model provides a stealthy zip fastener of nylon does not fall and melts tooth equipment, includes the lathe, sets up the chain belt conveyor on the lathe, and the lathe still is provided with chain mechanism, sets up pull head determine module, vacancy determine module in passing chain mechanism, and the chain belt penetrates along direction of delivery it loops through to cross chain mechanism vacancy determine module and pull head determine module, lie in on the lathe the output of passing chain mechanism still is provided with vacancy locating component department is provided with melts the tooth mould, the top of melting the tooth mould is provided with the melting tooth bonding tool of liftable.

Through the arrangement, firstly, the puller is detected through the puller detection assembly to serve as a first detection signal, then the vacancy detection assembly detects vacancies on the chain belt, when the vacancy detection assembly detects the vacancy, after the time delay of preset time, the zipper chain belt is continuously conveyed forwards for a certain distance, the vacancy positioning assembly acts to position the vacancy on the chain belt, then the action of forming the stop of the molten teeth can be completed on the chain belt through the molten tooth welding head and the molten tooth mold, the equipment can be directly used in the existing zipper production line, the equipment can form another stop at a specified position on the chain belt which is output by the existing zipper production line and has formed one stop at one position, and does not need to adopt a conventional mode to turn off the chain belt, namely, the zipper is conveyed again after horizontally rotating for 180 degrees, and the production efficiency is improved.

Preferably, the chain passing mechanism comprises a base fixed to the machine tool and a cover plate, a chain passing groove is formed between the base and the cover plate or a chain passing gap is kept, the vacancy detection assembly comprises an L-shaped swing block and a detection piece, the L-shaped swing block is arranged on the cover plate in a swinging mode, the detection piece is fixed to the L-shaped swing block and comprises a first end and a second end, the first end is perpendicular to the second end, the center of rotation of the L-shaped swing block is located at the joint of the first end and the second end, the detection piece is fixed to the second end and perpendicular to the second end, a through groove for swinging of the L-shaped swing block and the detection piece is formed in the cover plate, the detection piece penetrates through the through groove and extends towards the base, the vacancy detection assembly further comprises a first sensing detection element and a swinging driving cylinder, the first sensing detection element is fixed to the cover plate and located on one side of the first end, the detection end of the first induction detection element faces the L-shaped swing block, the fixing direction of the head of the first induction detection element is perpendicular to the swing plane where the L-shaped swing block is located, a driving block is fixed on the telescopic end of the swing driving cylinder, the swing driving cylinder is horizontally fixed on the cover plate, and the driving block is connected with the first end.

Through the arrangement, when a driving signal is received, the swinging driving cylinder can drive the L-shaped swing block to swing through the driving block, so that the second end tilts and is far away from the base, the second end is separated from the chain belt and is in contact with the chain belt until the pull head detection assembly detects the pull head, the swinging cylinder drives the L-shaped swing block to swing reversely, the second end rotates towards the direction close to the base, when the empty position reaches the position of the detection piece, the detection piece can be clamped into the empty position, the chain belt is conveyed forwards continuously, chain teeth on the chain belt drive the second end to rotate and tilt until the first induction detection element detects the first end of the follow-up, a signal for detecting the empty position is sent, and then subsequent positioning and fusing actions can be carried out Of the signal of (1).

Preferably, the base is provided with a notch, a bearing block is vertically and slidably arranged in the notch, a bearing driving piece for driving the bearing block to lift is arranged on the machine tool, and the bearing driving piece swings up along with the second end of the L-shaped swinging block to drive the bearing block to lift.

Through setting up like this, set up bearing driving piece driven bearing piece and go up and down along with the swing of L shape pendulum piece, aim at avoids detecting the piece and rips the possibility of chain belt when putting down and detecting, specifically, the second end is put up, and bearing driving piece drive bearing piece risees, and the second end is put down, and bearing driving piece drive bearing piece descends.

Preferably, the slider detecting assembly includes a second sensing element, the second sensing element is a proximity switch, and the second sensing element is fixed on the base and located at an outlet of the zipper passing mechanism.

With such an arrangement, the slider is detected by the proximity switch, and when the slider approaches the proximity switch, the proximity switch sends a signal to the vacancy detection assembly to enable the vacancy detection assembly to begin vacancy detection in preparation for the following vacancy positioning.

Preferably, the tooth melting die comprises an upper die and a lower die, the vacancy positioning assembly comprises a positioning rod and a lifting driving piece arranged below the lower die and driving the positioning rod to lift, a first through hole is formed in the lower die, and the positioning rod can penetrate through the first through hole from bottom to top.

Through the arrangement, after the lifting driving piece receives the driving signal, the driving positioning rod is driven to rise and is inserted into the vacancy of the chain belt through the first through hole of the lower die, so that the vacancy of the chain belt is accurately positioned, and preparation is made for subsequent tooth melting.

Preferably, the upper die comprises an upper die base and a die opening and closing driving part for driving the upper die base to vertically lift to approach or depart from the lower die, the upper die is provided with a second through hole, and the positioning rod and the tooth melting welding head are inserted into the second through hole.

Through the arrangement, the positioning rod sequentially penetrates through the first through hole and the vacant positions on the zipper, after the vacant positions on the zipper belt are positioned, the mold opening and closing driving piece can drive the upper mold base to descend and be attached to the zipper belt, mold closing action of the upper mold and the lower mold is realized, and the tooth melting welding head can be inserted into the second through hole to perform tooth melting stopping work.

Preferably, the opening and closing die driving part and the lifting driving part are both telescopic cylinders.

Preferably, a cooling device is further arranged on the machine tool and used for cooling the gear-melting welding head.

Through setting up like this, cooling device can cool off the melt tooth bonding tool, avoids melt tooth bonding tool overheated and influence melt tooth quality.

Preferably, the cooling device is a fan, and an air outlet of the fan is arranged towards the melt-tooth welding head.

Compared with the prior art, the utility model discloses profitable technological effect has been obtained:

1. through pull head determine module, vacancy determine module auxiliary detection vacancy, rethread vacancy determine module fixes a position the vacancy, carries out the accurate positioning to the position of melting the tooth promptly, and then accomplishes the action that the melting tooth becomes to end through melting tooth bonding tool and melting tooth mould, simple structure, convenience can apply to current zip fastener production line, realizes need not to form the zip fastener that an end and turns around and can accomplish another process that ends and form, is favorable to improving production efficiency.

2. The liftable supporting piece is arranged to lift along with the lifting of the detection piece, so that the possibility that the chain belt is scraped by the detection piece is avoided, and the chain belt is protected.

3. And a cooling device is arranged to cool the melt-tooth welding head, so that the consistency of the tooth accommodating quality is maintained.

Drawings

FIG. 1 is a prior art finished zipper;

FIG. 2 is a prior art semi-finished zipper;

FIG. 3 is a schematic view of the overall structure of the nylon concealed slide fastener tooth melting device without falling off the head in the embodiment of the present invention;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a schematic structural diagram of a chain passing mechanism, a vacancy detecting assembly, a tooth-melting mold, a vacancy positioning assembly and a tooth-melting welding head in an embodiment of the present invention;

FIG. 6 is a schematic diagram of the chain passing mechanism, the vacancy detecting assembly, the tooth melting mold, the vacancy positioning assembly and the tooth melting welding head in the embodiment of the present invention after being partially cut;

fig. 7 is a schematic view of the structure of the base, the second sensing element and the lower die of the chain passing mechanism according to the embodiment of the present invention;

fig. 8 is a schematic cross-sectional view showing a connection relationship between the base, the second sensing element and the lower die of the zipper mechanism according to the embodiment of the present invention.

Wherein, the technical characteristics that each reference numeral refers to are as follows:

1. finishing the zipper; 101. a chain belt; 102. a zipper tooth; 103. a slider; 104. top dead center; 105. stopping; 2. semi-finished product zipper; 201. a first position; 202. a second position; 203. a vacancy; 3. a machine tool; 4. a chain belt conveying device; 5. a chain passing mechanism; 501. a base; 5011. a chain passing groove; 5012. a notch; 502. a cover plate; 5021. a through groove; 503. a bearing block; 5031. supporting a driving piece; 6. a slider detection assembly; 601. a second sensing detection element; 7. a vacancy detecting assembly; 701. an L-shaped swinging block; 7011. a first end; 7012. a second end; 7013. a pin hole; 702. detecting a sheet; 703. a first inductive detection element; 7031. a swing driving cylinder; 70311. a drive block; 8. a vacancy positioning assembly; 801. positioning a rod; 802. a lifting drive member; 9. a tooth melting mold; 901. an upper die; 9011. an upper die holder; 90111. a second through hole; 9012. a mold opening and closing driving member; 902. a lower die; 9021. a first through hole; 10. a fused-tooth welding head; 11. and a cooling device.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments, but the scope of the present invention is not limited to the following specific embodiments.

Examples

Referring to fig. 3-8, this embodiment discloses a stealthy zip fastener of nylon does not fall and melts tooth equipment, including lathe 3, set up chain belt conveyor 4 on lathe 3, chain belt conveyor 4 is prior art, its structure is no longer described herein again, lathe 3 still is provided with chain mechanism 5, set up slider detection component 6 on chain mechanism 5, vacancy detection component 7, chain belt 101 penetrates chain mechanism 5 along direction of delivery and loops through vacancy detection component 7 and slider detection component 6, the output that lies in chain mechanism 5 on lathe 3 still is provided with vacancy locating component 8, be provided with fused tooth mould 9 in vacancy locating component 8 department, the top of fused tooth mould 9 is provided with the fused tooth bonding tool 10 of liftable.

The blank detecting assembly 7 is used to detect a blank 203 in the semi-finished slide fastener 2.

Referring to fig. 4, 5, 6 and 7, the chain passing mechanism 5 includes a base 501 fixed to the machine tool 3 and a cover plate 502, and a chain passing slot 5011 is provided between the base 501 and the cover plate 502 or a chain passing gap is maintained between the base 501 and the cover plate 502.

Referring to fig. 4 to 6, the vacancy detection assembly 7 includes an L-shaped swing block 701 disposed on the cover plate 502 in a swinging manner and a detection piece 702 fixed to the L-shaped swing block 701, the L-shaped swing block 701 includes a first end 7011 and a second end 7012, the first end 7011 is perpendicular to the second end 7012, a center of rotation of the L-shaped swing block 701 is located at a connection position of the first end 7011 and the second end 7012, and the detection piece 702 is fixed to the second end 7012 and perpendicular to the second end 7012.

Referring to fig. 5 and 6, a through slot 5021 for the L-shaped swing block 701 and the detection piece 702 to swing is formed on the cover plate 502, the detection piece 702 passes through the through slot 5021 and extends towards the base 501, the vacancy detection assembly 7 further includes a first sensing element 703 and a swing driving cylinder 7031, the first sensing element 703 is fixed on the cover plate 502 and located at one side of the first end 7011, a detection end of the first sensing element 703 is disposed towards the L-shaped swing block 701, a fixing direction of a head of the first sensing element 703 is perpendicular to a swing plane where the L-shaped swing block 701 is located, a driving block 70311 is fixed on a telescopic end of the swing driving cylinder 7031, the swing driving cylinder 7031 is horizontally fixed on the cover plate 502, the driving block 70311 is connected with the first end 7011, specifically, in this embodiment, the swing driving cylinder 7031 is disposed at a side of the L-shaped swing block 701 away from the vacancy positioning assembly 8, the driving block 70311 abuts against a surface of a side of the first end 7011 of the L-shaped swing block 701, which is away from the swing driving cylinder 7031, therefore, the swing driving cylinder 7031 contracts to drive the second end 7012 to swing in a direction away from the base 501, that is, the detection piece 702 is driven to be away from the base 501.

The first sensing element 703 may be a proximity switch.

Referring to fig. 6, a notch 5012 is formed in the base 501, a bearing block 503 is vertically and slidably disposed in the notch 5012, and a bearing driving member 5031 for driving the bearing block 503 to ascend and descend is disposed on the machine tool 3.

The bearing driving component 5031 swings up along with the second end 7012 of the L-shaped swing block 701 to drive the bearing block 503 to rise, specifically, the second end 7012 swings up, the bearing driving component 5031 drives the bearing block 503 to rise, and the second end 7012 swings down, the bearing driving component 5031 drives the bearing block 503 to fall.

Referring to fig. 6 and 7, the slider detecting assembly 6 includes a second sensing element 601, the second sensing element 601 is a proximity switch, and the second sensing element 601 is fixed on the base 501 and located at the outlet of the zipper mechanism 5.

Referring to fig. 4 to 8, the tooth melting mold 9 includes an upper mold 901 and a lower mold 902, the vacancy positioning assembly 8 includes a positioning rod 801 and a lifting driving member 802 disposed below the lower mold 902 and driving the positioning rod 801 to lift, the lower mold 902 is provided with a first through hole 9021, and the positioning rod 801 can pass through the first through hole 9021 from bottom to top.

Referring to fig. 5 and 6, the upper die 901 includes an upper die 901 seat and a die opening and closing driving member 9012 for driving the upper die 901 seat to vertically move up and down to approach or depart from the lower die 902, the upper die 901 is provided with a second through hole 90111, and the positioning rod 801 and the tooth-melting welding head 10 are inserted into the second through hole 90111.

The opening and closing die driving member 9012 and the lifting driving member 802 are both telescopic cylinders.

The machine tool 3 is also provided with a cooling device 11 for cooling the melt-tooth welding head 10.

Referring to fig. 3, the cooling device 11 is a fan, and an air outlet of the fan is disposed toward the melt-tooth bonding tool 10.

Implementation process and principle of the embodiment:

step 1: the chain belt 101 with one melted end passes through the chain passing mechanism 5 and the chain belt conveying device 4 is prepared;

the vacancy detection assembly 7 is reset, namely the swing driving cylinder 7031 contracts to drive the second end 7012 to swing towards the direction away from the base 501, namely the detection sheet 702 is driven to be away from the base 501;

step 2: starting the machine, wherein the chain belt conveying device 4 drives the chain belt 101 to convey forwards, so that the pull head 103 and the vacant position on the chain belt 101 sequentially pass through the vacant position detection assembly 7 and the pull head detection assembly 6;

and step 3: when the slider detecting assembly 6 detects the slider 103, the vacancy detecting assembly 7 starts to detect vacancy, that is, the swing driving cylinder 7031 extends, and drives the second end 7012 to swing in a direction close to the base 501, that is, the detecting piece 702 is driven to be close to the base 501 and abut against the fastener elements 102 of the fastener tape 101;

and 4, step 4: when the vacancy reaches the position of the detection sheet 702, the detection sheet 702 can be clamped into the vacancy, after the chain belt 101 is continuously conveyed forwards, the chain teeth 102 on the chain belt 101 drive the second end 7012 to rotate and tilt until the first induction detection element 703 detects the following first end 7011, a signal for detecting the vacancy is sent, the preset time is obtained by debugging after the preset time is delayed, the chain belt 101 device just conveys the vacancy 203 of the chain belt to the position of the vacancy positioning component 8 in the preset time, then the vacancy positioning component 8 acts to position the vacancy on the chain belt 101, namely the lifting driving piece 802 drives the positioning rod 801 to lift, and the vacancy of the chain belt 101 is inserted through the first through hole 9021 of the lower die 902;

and 5: the chain belt conveying device 4 stops the action of conveying the chain belt 101 forwards, the mold opening and closing driving piece 9012 can drive the upper mold 901 base to descend and be attached to the chain belt 101, the mold closing action of the upper mold 901 and the lower mold 902 is achieved, and the tooth melting welding head 10 can be inserted into the second through hole 90111 to melt the chain belt 101;

step 6: the melting tooth welding head 10 and the vacancy positioning assembly 8 are reset, and the chain belt conveying device 4 continues to convey the chain belt 101 forwards.

Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the utility model in any way.

Claims (7)

1. The equipment for melting the teeth of the invisible nylon zipper without head falling comprises a machine tool (3) and a chain belt conveying device (4) arranged on the machine tool (3), and is characterized in that the machine tool (3) is further provided with a chain passing mechanism (5), a pull head detection assembly (6) arranged on the chain passing mechanism (5) and a vacancy detection assembly (7), a chain belt (101) penetrates through the chain passing mechanism (5) along the conveying direction and sequentially passes through the vacancy detection assembly (7) and the pull head detection assembly (6), a vacancy positioning assembly (8) is further arranged at the output end of the chain passing mechanism (5) on the machine tool (3), a melting tooth mold (9) is arranged at the position of the vacancy positioning assembly (8), and a liftable melting tooth welding head (10) is arranged above the melting tooth mold (9); the chain passing mechanism (5) comprises a base (501) and a cover plate (502) which are fixed with the machine tool (3), a chain passing groove (5011) or a chain passing gap is arranged between the base (501) and the cover plate (502), the vacancy detection assembly (7) comprises an L-shaped swinging block (701) which is arranged on the cover plate (502) in a swinging mode and a detection sheet (702) which is fixed with the L-shaped swinging block (701), the L-shaped swinging block (701) comprises a first end (7011) and a second end (7012), the first end (7011) and the second end (7012) are arranged perpendicularly, the rotating center of the L-shaped swinging block (701) is located at the connecting position of the first end (7011) and the second end (7012), the detection sheet (702) and the second end (7012) are fixed and perpendicular to the second end (7012), and a through groove (5021) for the L-shaped swinging block (701) and the detection sheet (702) is formed in the cover plate (502), the detection piece (702) penetrates through the through groove (5021) and extends towards the base (501), the vacancy detection assembly (7) further comprises a first induction detection element (703) and a swinging driving cylinder (7031), the first induction detection element (703) is fixed on the cover plate (502) and located on one side of the first end (7011), the detection end of the first induction detection element (703) is arranged towards the L-shaped swinging block (701), the fixing direction of the head of the first induction detection element (703) is perpendicular to the swinging plane where the L-shaped swinging block (701) is located, a driving block (70311) is fixed on the telescopic end of the swinging driving cylinder (7031), the swinging driving cylinder (7031) is horizontally fixed on the cover plate (502), the driving block (70311) is connected with the first end (7011), the pull head detection assembly (6) comprises a second induction detection element (601), the second induction detection element (601) is a proximity switch, and the second induction detection element (601) is fixed on the base (501) and is positioned at an outlet of the chain passing mechanism (5).

2. The tooth melting equipment according to claim 1, wherein a notch (5012) is formed in the base (501), a bearing block (503) is vertically and slidably arranged in the notch (5012), a bearing driving piece (5031) for driving the bearing block (503) to ascend and descend is arranged on the machine tool (3), and the bearing driving piece (5031) swings up along with the second end (7012) of the L-shaped swinging block (701) to drive the bearing block (503) to ascend.

3. The tooth melting apparatus according to any one of claims 1-2, wherein the tooth melting mold (9) comprises an upper mold (901) and a lower mold (902), the vacancy positioning assembly (8) comprises a positioning rod (801) and a lifting driving member (802) which is arranged below the lower mold (902) and drives the positioning rod (801) to lift, a first through hole (9021) is formed in the lower mold (902), and the positioning rod (801) can penetrate through the first through hole (9021) from bottom to top.

4. The tooth melting equipment as claimed in claim 3, wherein the upper die (901) comprises an upper die (901) seat and a die opening and closing driving piece (9012) for driving the upper die (901) seat to vertically lift close to or away from the lower die (902), the upper die (901) is provided with a second through hole (90111), and the second through hole (90111) is used for inserting the positioning rod (801) and the tooth melting welding head (10).

5. Tooth melting apparatus according to claim 4, characterized in that the open and close die drive (9012) and the lifting drive (802) are telescopic cylinders.

6. Tooth apparatus according to claim 1, 2, 4 or 5, characterized in that a cooling device (11) is also provided on the machine tool (3) for cooling the tooth head (10).

7. The tooth-melting apparatus according to claim 6, characterized in that the cooling device (11) is a fan, the outlet of which is arranged towards the tooth-melting horn (10).

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