CN203508868U - Wire clamping mechanism for numerical control wire bending machine - Google Patents
Wire clamping mechanism for numerical control wire bending machine Download PDFInfo
- Publication number
- CN203508868U CN203508868U CN201320656267.7U CN201320656267U CN203508868U CN 203508868 U CN203508868 U CN 203508868U CN 201320656267 U CN201320656267 U CN 201320656267U CN 203508868 U CN203508868 U CN 203508868U
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- clamping
- wire
- wire clamping
- clampings
- feeding
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Abstract
The utility model discloses a wire clamping mechanism for a numerical control wire bending machine. The wire clamping mechanism comprises two wire clamping cylinders and two clamping dies which are bilaterally and oppositely arranged, moving ends of the two wire clamping cylinders bilaterally and oppositely eject to drive the two clamping dies to move to realize opposite clamping, wire clamping mouths are arranged in the fronts of the two clamping dies close to a wire bending die, clamping grooves matched with wires are formed in the wire clamping mouths, the two clamping dies are provided with grooves behind the wire clamping mouths, the front ends of feeding rods can penetrate the grooves, guide sleeves for penetrating the segmented wires and the feeding rods are arranged on rear sides of the two clamping dies and mounted on guide sleeve seats, and the guide sleeve seats are fixed on a head. By the aid of the technical scheme, the feeding rods and the front ends of the feeding rods are locked to fix the wires, so that the segmented wires can be fed and bent, the motor and the slider synchronously move, an auxiliary supported guide mechanism is used, moving feeding accuracy is improved, and the wire clamping mechanism is simple and reasonable in structure and low in manufacturing cost.
Description
Technical field
The utility model belongs to machining equipment field, particularly relates to the thread clamping mechanism for numerical control wire bending machine.
Background technology
Publication number is that the patent documentation of CN201231294Y, CN101716636A discloses respectively two kinds of numerical control wire bending machines, their structure is similar, all the curved line moulding (for example steel wire coiled strip) for continuous wire, comprise frame, frame is provided with bar straightening mechanism, wire agency, head rotating mechanism, head, shut-off mechanism, mould, mould free-wheeling system, mould switching mechanism and control module.But, in prior art there are no the wire bending machine that sectional segmentation wire rod is carried out to curved line moulding.Continuous wire wire bending machine cannot be directly used in the problem that segmentation wire rod is carried out to curved line moulding and be: the one, and existing feed mechanism cannot be realized the feeding of segmentation wire rod; The 2nd, when changing wire rod, segmentation wire rod is plug-in mounting difficulty in the through wires hole of head; The 3rd, when curved line moulding, segmentation wire rod cannot reliably grip, and affects curved line quality.For this reason, inventor designs a kind of numerical control wire bending machine, on the basis of the continuous wire wire bending machine of prior art, pay-off and head is improved, and enables the curved line moulding for segmentation wire rod.The utility model relates to the thread clamping mechanism on head wherein.
Summary of the invention
In order to solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of thread clamping mechanism for numerical control wire bending machine, for the curved line moulding of segmentation wire rod.
To achieve the above object, the utility model has adopted following technical scheme:
Thread clamping mechanism for numerical control wire bending machine, comprise two clamp oil cylinders and two clampings that left and right is oppositely arranged, thereby left and right, the mobile terminal of two clamp oil cylinders drives two clampings to move realization to folder relative to ejecting, two clampings arrange clamp mouth near the front portion of curved line mould, clamp mouth is provided with the clip slot matching with wire rod, two clampings groove for penetrating for feeding rod front end after clamp mouth; The rear side of two clampings is provided with for wearing the fairlead of segmentation wire rod, feeding rod, and fairlead is arranged on guide sleeve seat, and guide sleeve seat is fixed on head.
The utility model is owing to having adopted above technical scheme, not only make clamp mouth can keep larger chucking power when clamping, and make curved line position can be more near the end of segmentation wire rod, arranging of fairlead can be carried out effective support guide to feeding rod, improves pushing precision.
Accompanying drawing explanation
Fig. 1 is one of stereogram of the utility model wire bending machine.
Fig. 2 be the utility model wire bending machine stereogram two.
Fig. 3 is the A place partial enlarged drawing in Fig. 2.
Fig. 4 is the B place partial enlarged drawing in Fig. 2.
Fig. 5 is the C place partial enlarged drawing in Fig. 2.
Fig. 6 is the D place partial enlarged drawing in Fig. 2.
The specific embodiment
Below in conjunction with accompanying drawing, the specific embodiment of the present utility model is made a detailed explanation.
Embodiment 1:
A kind of numerical control wire bending machine as shown in Figure 1 and Figure 2, comprises frame 1, is provided with successively from front to back head 2, head rotating mechanism 6 and pay-off in frame 1, and wherein head 2 is provided with curved line mould 3 and mould free-wheeling system thereof, mould switching mechanism.
The head rotating mechanism 6 here, curved line mould 3 and mould free-wheeling system thereof are identical with the structure of continuous wire wire bending machine of the prior art with mould switching mechanism, and for example publication number is the disclosed structure of patent documentation of CN201231294Y, CN101716636A, CN101733344B.The handpiece structure of the present embodiment is as follows: comprise head be provided with can horizontal hunting worm gear case, worm screw in worm gear case is driven and is rotated by mould spinning motor, and drives two worm gears simultaneously, and two worm gears are fixedly connected with two main shafts, main shaft band internal spline, splined shaft is connected with main spindle multiple spline; Two curved line moulds are separately fixed at two splined shaft tops, the sheathed stage clip in splined shaft bottom, and stage clip lower end and splined shaft bottom offset, and in stage clip upper end and main shaft, step offsets, thereby drives splined shaft to move down; Numerical control scale-division device is installed on head, and numerical control scale-division device promotes worm gear case swing by swing arm and connecting rod and realizes mould conversion.Described head rotating mechanism comprises rotating and is arranged on the rotating shaft on axle bed, rotating shaft one end is head fixedly, the rotating shaft other end is rotating disk fixedly, rotating disk is provided with Balance Iron, rotating shaft axle center is provided with the guide pipe that can pass through for wire rod, described rotating shaft is connected with the electric rotating machine gear drive being fixed on axle bed, and described electric rotating machine is connected with control module.
Continuous wire wire bending machine cannot be directly used in the problem that segmentation wire rod is carried out to curved line moulding and be: the one, and existing feed mechanism cannot be realized the feeding of segmentation wire rod; The 2nd, when changing wire rod, segmentation wire rod is plug-in mounting difficulty in the through wires hole of head; The 3rd, when curved line moulding, segmentation wire rod cannot reliably grip, and affects curved line quality.For this reason, in the utility model, in frame 1, be provided for pushing the pay-off of segmentation wire rod, on head 2, set up for gripping the thread clamping mechanism 5 of segmented line 4.
Described pay-off comprises for clamping segmentation wire rod 4 and realizing the clamping delivery device 8 of advance and retreat and for segmentation wire rod being carried out to the auxiliary guide mechanism 7 of supplemental support and mobile guide.As shown in Figure 3, clamping delivery device 8 comprises track base 81, screw mandrel 82, slide block 83, feeding rod 84, motor cabinet 85 and motor 86, track base 81 is arranged in frame 1, slide block 83 endwisely slips at track base 81 ascender line materials, on track base 81, be fixed with screw mandrel 82, feed screw nut has been threaded on screw mandrel 82, feed screw nut is arranged on slide block 83 by bearing, on slide block 83, fixedly mount motor cabinet 85, on motor cabinet 85, mounted motor 86, motor 86 is connected with screw nut driving, the fixing rear end of feeding rod 84 on motor cabinet 85, as shown in Figure 5, the front end of feeding rod 84 is installed a wire rod retaining mechanism, this wire rod retaining mechanism comprises upper gripper jaw 841 and lower jaw 842, lower jaw 842 is fixed on the front end of feeding rod 84, the clamping face of upper gripper jaw 841 and lower jaw 842 is provided with the holding tank matching with wire rod, hinged and the upper gripper jaw 841 of one end of upper gripper jaw 841 and lower jaw 842 rotates in the radial section of wire rod, the other end of upper gripper jaw 841 is provided with groove or through hole, thereby be threaded with lower jaw 842 upper gripper jaw 841 and the lower jaw 842 segmentation wire rod 4 that is locked through the screw of this groove or through hole.Described feeding rod 84 for example preferably has centre bore, so that hold a part for segmentation wire rod, pipe.As shown in Figure 4, described auxiliary guide mechanism 7 comprises guide holder 71, vertical cylinder 72, horizontal air cylinder 73, tugboat seat 74 and guiding tugboat 75, guide holder 71 is fixed in frame 1, vertically cylinder 72 is fixed on guide holder 71, the piston rod top fixing horizontal cylinder 73 ejecting straight up of vertical cylinder 72, horizontal air cylinder 73 tops are provided with horizontal slide rail, on horizontal slide rail, slidably connect tugboat seat 74, the piston rod that horizontal air cylinder 73 levels eject is fixedly connected with tugboat seat 74, on tugboat seat 74, be provided for supporting the guiding tugboat 75 of feeding rod 84, guiding tugboat 75 can rotate and circumference is provided with annular groove.When clamping delivery device 8 is when feed distance is less forward, vertically cylinder 72 and horizontal air cylinder 73 eject, and the tugboat 75 that makes to lead can support feeding rod 84; When clamping delivery device 8 pushes forward more and close guiding tugboat 75, vertically cylinder 72 and horizontal air cylinder 73 reset, and guiding tugboat 75 is return and avoided, and makes to clamp delivery device 8 and can further push forward feeding.
As shown in Figure 6, described thread clamping mechanism 5 is arranged on head 2, comprise two clamp oil cylinders 51 and two clampings 52 that left and right is oppositely arranged, thereby left and right, the mobile terminal of two clamp oil cylinders 51 drives two clampings 52 to move realization to folder relative to ejecting, two clampings 52 arrange clamp mouth near the front portion of curved line mould 3, clamp mouth is provided with the clip slot matching with wire rod, two clampings 52 groove for penetrating for feeding rod 84 front ends after clamp mouth, so not only make clamp mouth can keep larger chucking power when clamping, and make curved line position can be more near the end of segmentation wire rod, the rear side of two clampings 52 is provided with for wearing the fairlead 53 of segmentation wire rod or feeding rod 84, and fairlead 53 is arranged on guide sleeve seat 54, and guide sleeve seat 54 is fixed on head 2.
While changing the outfit like this segmentation wire rod, centre bore by wire rod 4 through fairlead 53He head rotating mechanism 6, because installing easily much larger than wire diameter in aperture, the rear end of wire rod 4 is fixedly clamped at the front end of feeding rod 84, by two clampings 52, clamps wire rod, curved line mould 3 carries out curved line moulding, during feeding, unclamp clamping 52, by servomotor 86, control as required feeding, the front end of feeding rod 84 can be through the centre bore of fairlead 53He head rotating mechanism 6, until after the clamp mouth of clamping 52.
Claims (1)
1. for the thread clamping mechanism of numerical control wire bending machine, it is characterized in that, comprise two clamp oil cylinders (51) and two clampings (52) that left and right is oppositely arranged, two clamp oil cylinders (51) thus about mobile terminal relative to ejecting, drive two clampings (52) move to realize pressing from both sides, two clampings (52) arrange clamp mouth near the front portion of curved line mould (3), clamp mouth is provided with the clip slot matching with wire rod, and two clampings (52) are the groove for supplying feeding rod (84) front end to penetrate after clamp mouth; The rear side of two clampings (52) is provided with for wearing the fairlead (53) of segmentation wire rod, feeding rod (84), and it is upper that fairlead (53) is arranged on guide sleeve seat (54), and guide sleeve seat (54) is fixed on head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656267.7U CN203508868U (en) | 2013-10-22 | 2013-10-22 | Wire clamping mechanism for numerical control wire bending machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320656267.7U CN203508868U (en) | 2013-10-22 | 2013-10-22 | Wire clamping mechanism for numerical control wire bending machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203508868U true CN203508868U (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320656267.7U Expired - Fee Related CN203508868U (en) | 2013-10-22 | 2013-10-22 | Wire clamping mechanism for numerical control wire bending machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203508868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521641A (en) * | 2013-10-22 | 2014-01-22 | 浙江博雷重型机床制造有限公司 | Wire clamping mechanism for numerical-control wire bending machine |
-
2013
- 2013-10-22 CN CN201320656267.7U patent/CN203508868U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103521641A (en) * | 2013-10-22 | 2014-01-22 | 浙江博雷重型机床制造有限公司 | Wire clamping mechanism for numerical-control wire bending machine |
| CN103521641B (en) * | 2013-10-22 | 2016-01-27 | 浙江博雷重型机床制造有限公司 | For the thread clamping mechanism of numerical control wire bending machine |
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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: 20140402 Termination date: 20191022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |