CN201049518Y - Sprocket forming device - Google Patents
Sprocket forming device Download PDFInfo
- Publication number
- CN201049518Y CN201049518Y CNU2007201040548U CN200720104054U CN201049518Y CN 201049518 Y CN201049518 Y CN 201049518Y CN U2007201040548 U CNU2007201040548 U CN U2007201040548U CN 200720104054 U CN200720104054 U CN 200720104054U CN 201049518 Y CN201049518 Y CN 201049518Y
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- Prior art keywords
- sprocket
- mould
- groove
- hole
- screw
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Abstract
The utility model relates to a sprocket forming device, wherein, a left screw vent and a right screw vent extending upwards and downwards and a lateral notching hole are arranged in a die, a sprocket channel communicated with the left and the right screw vents is disposed between the left screw vent and the right screw vent, a left screw, a central bar and a right screw thread through the left screw vent, the sprocket channel and the right screw vent of the die respectively and are in clearance fit with the die, the notching hole extends inwards from one side of the die and is communicated with the sprocket channel after intersecting with the screw vent at the same side, a groove stamping part is inserted into the notching hole and is in clearance fit with the die, and the moving range of the top end thereof extends to the sprocket channel. The stamping part generally consists of a stamping head and a connecting rod, and a lug used for stamping the groove is arranged on the end face of the top end of the stamping head. The groove is arranged on the outer surface of the individual thread at the outer side of the formed sprocket of the utility model, which is favorable to avoid the abrasion to the sewing line by the pull head and realize the effective location of the sprocket, so the utility model is mainly used for the forming of the sprocket of the nylon zip fastener.
Description
Technical field
The utility model relates to a kind of sprocket shaped device, mainly can be used for the sprocket moulding of nylon zipper etc.
Technical background
The existing device (comprising sprocket shaped device and the interior sprocket shaped device of right extrusion die in the left extrusion die) that is used for the moulding of nylon zipper sprocket mainly comprises mould, left side screw rod, right screw rod and center bar, be provided with a left side of extending up and down in the described mould, right two screw holes, a described left side, between the right screw hole is the sprocket passage, described sprocket passage both sides respectively with described left and right sides two screw rods hole UNICOM, in mould, form a cross section and be the through hole that dumbbell forms, described left screw rod, center bar and right screw rod pass the left screw hole of described mould respectively, sprocket passage and right screw hole, cooperate with described die clearance, its two ends extend out from the two ends of mould respectively.Described mould is fastened mutually by mould and die cap and forms, and each screw hole in the mould and sprocket passage etc. are formed by groove on mould and the die cap and groove (or groove and plane) butt joint.Nylon monofilament is on center bar during work, pass the sprocket passage of mould, under the drive of left and right screw rod, move up, when through taking the lead during groove on the mould, take the lead and from the groove of taking the lead, stretch out with staking punch, go out a tooth head at an end of sprocket spiral, so that two mutual interlocks of sprocket on the same slide fastener.The defective of this shaped device is that the chain tooth surface after the moulding all is cambered outwards everywhere basically, there is not location structure, the therefore easy slippage of sprocket when slide fastener is made and after making, the suture projection on the sprocket is at the chain tooth surface in addition, be subjected to the serious wear of zipper head, influence the life-span of slide fastener.
The utility model content
For overcoming the above-mentioned defective of prior art, the utility model provides a kind of sprocket shaped device, adopt the sprocket of this device moulding, the outer surface of its outside monofilament has groove, suture can be placed in these grooves when making, avoiding the wearing and tearing of pull head to suture, and effective location of realizing sprocket, the sprocket slippage avoided.
The utility model realizes that the technical scheme of above-mentioned purpose is: a kind of sprocket shaped device, comprise mould, left side screw rod, right screw rod, center bar and groove stamping parts, be provided with a left side of extending up and down in the described mould, right two screw holes and a horizontal jet-bedding hole, a described left side, between the right screw hole is the sprocket passage, described sprocket passage both sides respectively with a described left side, right two screw rods hole UNICOM, described left screw rod, center bar and right screw rod cooperate with described die clearance, pass the left screw hole of described mould respectively, sprocket passage and right screw hole, extend in a side direction of mould in described jet-bedding hole, with be communicated with described sprocket passage after the homonymy screw hole intersects, described groove stamping parts is inserted on the described jet-bedding hole, cooperate with described die clearance, the moving range on its top extends to the sprocket passage.
The beneficial effects of the utility model are: because the jet-bedding hole that has been provided with the groove stamping parts and has been mated, in the sprocket forming process, can stamp out the groove that extends along the sprocket bearing of trend together at the chain tooth surface, be used to embed the location of suture and sprocket, avoid the suture wearing and tearing and make sprocket make more firmly.In addition, the utility model also have simple in structure, easy to use, do not increase advantages such as process time.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 looks up structural representation with the corresponding groove stamping parts of Fig. 1.
The specific embodiment
Referring to Fig. 1, the utility model provides a kind of sprocket shaped device, comprise mould, left side screw rod 3, right screw rod 12, center bar 2 and groove stamping parts 11, be provided with a left side of extending up and down in the described mould, right two screw holes and a horizontal jet-bedding hole, a described left side, between the right screw hole is the sprocket passage, described sprocket passage both sides respectively with a described left side, right two screw rods hole UNICOM, described left screw rod, center bar and right screw rod cooperate with described die clearance, pass the left screw hole of described mould respectively, sprocket passage and right screw hole, extend in a side direction of mould in described jet-bedding hole, with be communicated with described sprocket passage after the homonymy screw hole intersects, described groove stamping parts is inserted on the described jet-bedding hole, cooperate with described die clearance, the moving range on its top extends to the sprocket passage, and the control of this moving range can cooperatively interact definite by jet-bedding hole and groove stamping parts size and dimension.By suitable setting cooperatively interact in move position limiting structure, the maximum position that the groove stamping parts moves inwards can be defined as the groove that on slide fastener, stamps out desired depth just.
Described groove stamping parts can be made of interconnective connecting rod 111 and staking punch 113, to make things convenient for each several part to select different materials for use and to make things convenient for the processing of staking punch.Described groove stamping parts also can be an one, to reduce number of spare parts.Be understandable that, the shape of one groove stamping parts can be identical with structure with the global shape of connecting rod after interconnecting and staking punch with structure, below about the explanation of groove stamping parts, connecting rod and staking punch except connecting rod and staking punch connected mode, all simultaneous adaptation is in the groove stamping parts of one groove stamping parts and split.
A projection 115 is arranged on the end face on described staking punch top, on sprocket, extrude required groove by this projection during punching press.Other parts of this end face can be plane, during punching press sprocket are carried out monolithic extrudedly, eliminate rough and uneven in surface on the sprocket by extruding, and make sprocket each several part thickness identical.
Can be provided with a screw vent 114 in the middle of the described staking punch, this screw vent is enclosed within the homonymy screw rod ring-shaped groove place of (referring to be positioned at an identical side with the jet-bedding hole on mould), so that staking punch passes through corresponding screw hole, avoid the mutual obstruction between staking punch and the screw rod.Ring-shaped groove on the described homonymy screw rod is positioned at the screw flight section, and the through-hole diameter on the described staking punch should can insert this through hole with the assurance screw rod greater than the diameter of thread on the screw rod, and guarantees moving of staking punch.
Described staking punch and connecting rod can adopt bolt 112 to tighten together, the slotted hole that extends about the hole that is used to pass these bolts on described staking punch and/or the described connecting rod generally can be arranged to, perhaps diameter is bigger, so that make these bolts that the stroke of a move left and right be arranged with respect to staking punch and/or connecting rod, when staking punch is installed, can be according to need carry out a left side or right the adjustment,, guarantee that staking punch beats in the sprocket middle then with bolt locking to staking punch.
Described mould outside can be provided with a cam, the outer end of described groove stamping parts flexibly connects with described cam and is transmission, promote the groove stamping parts by cam and carry out step punching press action, the cycle of its punching press action should determine according to sprocket speed of moving in the mould, make each punching press all just punching press on the monofilament that constitutes sprocket.
Described groove stamping parts and described jet-bedding hole wall matched in clearance, to guarantee moving back and forth of groove stamping parts, its fit clearance should be appropriate, to guarantee the accuracy of groove stamping parts stamping position.
Described groove stamping parts is exposed on the part of mould outside and is with compression spring 10, promotes the groove stamping parts inwards after the punching press at cam, relies on the effect of compression spring that the groove stamping parts is moved outward and resets.
Described groove stamping parts outer end can be connected with the bolt 9 of a band cap, and an end of described compression spring is pressed in the sidewall of mould, and the other end is pressed in the cap of bolt, realizes the connection of the same groove stamping parts of compression spring thus.
Can be provided with on described groove stamping parts and the mould cooperatively interact in move position limiting structure (front is mentioned) and move position limiting structure outward, to limit maximum magnitude that the groove stamping parts moves inwards and the maximum magnitude that outwards moves.Limiting the outer scope of moving can avoid the groove stamping parts to be compressed spring extracting.
Described jet-bedding hole is usually located at the top of the top of the groove 4 of taking the lead on the described mould to described screw flight section, fights earlier with assurance, and stamped recess helps guaranteeing machining accuracy so again, and avoids the damage to sprocket.
Described mould is fastened mutually by mould 6 and die cap 8 and forms, and wherein each screw hole, sprocket passage and jet-bedding hole all can be formed by the groove on mould and the die cap and groove or the butt joint of groove peace face.Mould is divided into mould and die cap two parts, helps the processing of mould inside structure, also help the installations on mould such as each screw rod, center bar and groove stamping parts.
Described mould is provided with some installation screws 5, and described die cap is provided with corresponding installation unthreaded hole, mould and mould is tightened up with hexagon socket head cap screw 7 by these screws and unthreaded hole.
Claims (10)
1. sprocket shaped device, comprise mould, left side screw rod, right screw rod and center bar, be provided with a left side of extending up and down in the described mould, right two screw holes, a described left side, between the right screw hole is the sprocket passage, described sprocket passage both sides respectively with a described left side, right two screw rods hole UNICOM, described left screw rod, center bar and right screw rod cooperate with described die clearance, pass the left screw hole of described mould respectively, sprocket passage and right screw hole, it is characterized in that also comprising the groove stamping parts, described mould is provided with a horizontal jet-bedding hole, extend in a side direction of mould in described jet-bedding hole, with be communicated with described sprocket passage after the homonymy screw hole intersects, described groove stamping parts is inserted on the described jet-bedding hole, cooperates with described die clearance, and the moving range on its top extends to the sprocket passage.
2. sprocket shaped device as claimed in claim 1 is characterized in that described jet-bedding hole is positioned at the top of the top of the groove of taking the lead on the described mould to described screw flight section.
3. sprocket shaped device as claimed in claim 1 or 2 is characterized in that described groove stamping parts is an one, perhaps is made of interconnective connecting rod and staking punch, and described staking punch adopts bolted to be in the same place with connecting rod.
4. sprocket shaped device as claimed in claim 3 is characterized in that on the end face on described staking punch top a projection being arranged.
5. sprocket shaped device as claimed in claim 4 is characterized in that other parts except that described projection are plane on the end face on described staking punch top.
6. sprocket shaped device as claimed in claim 5, it is characterized in that being provided with a screw vent in the middle of the described staking punch, this screw vent is enclosed within the ring-shaped groove place of homonymy screw rod, ring-shaped groove on the described homonymy screw rod is positioned at the screw flight section, and the through-hole diameter on the described staking punch should be greater than the diameter of thread on the screw rod.
7. sprocket shaped device as claimed in claim 6, it is characterized in that described groove stamping parts and mould be provided with cooperatively interact in move position limiting structure and move position limiting structure outward.
8. sprocket shaped device as claimed in claim 7 is characterized in that described mould outside is provided with a cam, and the outer end of described groove stamping parts flexibly connects with described cam and is transmission.
9. sprocket shaped device as claimed in claim 8, it is characterized in that described groove stamping parts is exposed on the part of mould outside is with the compression spring, its outer end is connected with the bolt of a band cap, and an end of described compression spring is pressed in the sidewall of mould, and the other end is being pressed the cap of bolt.
10. sprocket shaped device as claimed in claim 9, it is characterized in that described mould is fastened mutually by mould and die cap forms, wherein each screw hole, sprocket passage and jet-bedding hole form by the groove on mould and the die cap and groove or the butt joint of groove peace face, described mould is provided with some installation screws, described die cap is provided with corresponding installation unthreaded hole, and hexagon socket head cap screw tightens up mould and mould by these screws and unthreaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201040548U CN201049518Y (en) | 2007-03-30 | 2007-03-30 | Sprocket forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201040548U CN201049518Y (en) | 2007-03-30 | 2007-03-30 | Sprocket forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201049518Y true CN201049518Y (en) | 2008-04-23 |
Family
ID=39335997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201040548U Expired - Fee Related CN201049518Y (en) | 2007-03-30 | 2007-03-30 | Sprocket forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201049518Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494175A (en) * | 2014-12-03 | 2015-04-08 | 福建浔兴拉链科技股份有限公司 | Forming mechanism of nylon wear-resistant zipper and zipper processing method |
-
2007
- 2007-03-30 CN CNU2007201040548U patent/CN201049518Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104494175A (en) * | 2014-12-03 | 2015-04-08 | 福建浔兴拉链科技股份有限公司 | Forming mechanism of nylon wear-resistant zipper and zipper processing method |
| CN104494175B (en) * | 2014-12-03 | 2017-01-25 | 福建浔兴拉链科技股份有限公司 | Method for processing nylon wear-resistant zipper |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080423 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |