CN204195838U - A kind of plastic tube discharging cutting chuck - Google Patents
A kind of plastic tube discharging cutting chuck Download PDFInfo
- Publication number
- CN204195838U CN204195838U CN201420514329.5U CN201420514329U CN204195838U CN 204195838 U CN204195838 U CN 204195838U CN 201420514329 U CN201420514329 U CN 201420514329U CN 204195838 U CN204195838 U CN 204195838U
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- CN
- China
- Prior art keywords
- plastic tube
- bonding pad
- described clamping
- clamping head
- cylinder pedestal
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Abstract
The utility model discloses a kind of plastic tube discharging cutting chuck, comprise cylinder pedestal and the annular clamping lobe be located on described cylinder pedestal, described clamping lobe comprises connector and clamping head, leave certain interval between adjacent described clamping lobe, described clamping head can draw in the axis direction of described cylinder pedestal under external force; Described connector is provided with the hollow slots of strip, is provided with the clamping face that radial section is circular arc inside described clamping head, and described clamping face is when described clamping head draws in completely and the axis parallel of described cylinder pedestal.The utility model makes the clamping lobe of ad hoc structure by steel, fastens plastic pipe clip to be cut.Overcoming steel elastic force crosses wayward by force, and the motion track of clamping lobe is difficult to the problem limited, and can grip plastic pipe completely, preventing plastic tube to be subjected to displacement or deformation when cutting, improving the discharging precision of plastic tube, and wear-resisting durable, maintenance cost is low, long service life.
Description
Technical field
The utility model relates to a kind of plastic tube discharging mechanism, particularly relates to a kind of plastic tube discharging cutting chuck.
Background technology
In plastic tube production industry, plastic tube discharging needs after reaching predetermined length to cut off, and forms the plastic tube that length is unified, conveniently deposits and transport.When cutting off plastic tube, needing by plastic tube discharging cutting chuck, plastic tube to be clamped, avoiding plastic tube because cutting stress distortion, preventing plastic tube to be shifted when cutting simultaneously, make the length of finished plastic pipe unified.
Existing plastic tube discharging cutting chuck is made up of plastics such as nylon, as depicted in figs. 1 and 2, it comprise drum-shaped body 1 ' and be located at the end of body 1 ' can the chuck 2 ' of inward collapsible.Because nylon chuck processes holes for clamping before fluting, due to processing technology and cost restriction, its holes for clamping is cylindrical, therefore lower clamping mouth and plastic tube form angle in working order, only have before clamping mouth and form linear contact lay with plastic tube, cause clamping force inadequate, cause displacement and the shake of plastic tube during cutting.Specifically, due to clamping face when non-original state and plastic tube leave gap, when chuck 2 ' moves clamping plastic tube to the inside, clamping face will form an angle with plastic tube, the contact surface of clamping face and described plastic tube is linear contact lay, can not grip plastic pipe completely, when causing cutting, plastic tube is shifted, and affects the length accuracy of plastic tube.
On the other hand, recovery capacity and the abrasive resistance of plastics chuck are poor, and chuck 2 ' and plastic tube rub for a long time and easily wear and tear, and cause plastic tube eccentric, affect cut quality.Because the recovery capacity of plastics chuck is poor, even if outside discharging mechanism removes clamping force after repeated use, certain side of chuck 2 ' may can not be returned to original state, and contact with the plastic tube just in discharging, the plastic tube of high temperature accelerates the wearing and tearing of the chuck 2 ' of this side, finally cause plastic tube cannot uniform stressed, body be deformed, and cut surface is irregular.
Utility model content
Technical problem to be solved in the utility model is, provides a kind of plastic tube discharging to cut chuck, can grip plastic pipe, preventing plastic tube to be subjected to displacement or deformation when cutting, improving the discharging precision of plastic tube.
Technical problem to be solved in the utility model is also, provide a kind of plastic tube discharging to cut chuck, production cost is low, and wear-resisting durable, maintenance cost is low, long service life.
In order to solve the problems of the technologies described above, the utility model provides a kind of plastic tube discharging cutting chuck, comprise cylinder pedestal and the annular clamping lobe be located on described cylinder pedestal, described clamping lobe comprises connector and clamping head, one end of described connector is fixedly connected with described cylinder pedestal, the other end is provided with described clamping head, leaves certain interval between adjacent described clamping lobe, and described clamping head can draw in the axis direction of described cylinder pedestal under external force; Described connector is provided with the hollow slots of strip, is provided with the clamping face that radial section is circular arc inside described clamping head, and described clamping face is when described clamping head draws in completely and the axis parallel of described cylinder pedestal.
Wherein, described cylinder pedestal is the annular element on the basis as described chuck, is provided with for locating and coordinating with plastic tube discharging machine the flange installed bottom it.
Described plastic tube discharging machine is provided with the pipe box coordinated with described clamping lobe, its inner surface coordinates with the outer surface of described clamping lobe, described clamping lobe is made inwardly to tighten up or outwards be returned to original state by the axially-movable of the relatively described clamping lobe of pipe box, to clamp or to unclamp plastic tube to be cut.
As the improvement of such scheme, the first bonding pad that described connector is divided into width to increase step by step from the junction with described cylinder pedestal to described clamping head, the second bonding pad and the 3rd bonding pad.
As the improvement of such scheme, the junction, both sides of described first bonding pad and the second bonding pad is provided with transition cambered surface, and the junction, both sides of described second bonding pad and the 3rd bonding pad is provided with intermediate incline.
As the improvement of such scheme, be provided with stable tongue between adjacent described first bonding pad, described stable tongue one end is fixedly connected with described cylinder pedestal, and the other end extends to the intersection of described first bonding pad and the second bonding pad; Predetermined gap is left between described stable tongue and described clamping lobe.
As the improvement of such scheme, described hollow slots is located at the width midway of described connector, and extends to described 3rd bonding pad from described first bonding pad.
As the improvement of such scheme, the outer surface of described clamping head is the conical surface reduced gradually to described clamping head end diameter from the junction with described connector; When adjacent described clamping head fits gathering completely, described clamping head is combined into the truncated conical shape that middle part is provided with cylindrical hollow out.
As the improvement of such scheme, described hollow slots is near described clamping head one end, be equipped with transition circular hole between adjacent described clamping lobe and the junction of described cylinder pedestal, and the diameter of described transition circular hole is greater than the width of each self-corresponding described hollow slots or the spacing of adjacent described clamping lobe.
As the improvement of such scheme, described plastic tube discharging cutting chuck is provided with the described clamping lobe of 2 or more altogether.
As the improvement of such scheme, described plastic tube discharging cutting chuck is provided with 4 described clamping lobes altogether.
As the improvement of such scheme, described plastic tube discharging cutting chuck uses spring steel to make.
Implement the utility model, there is following beneficial effect:
The utility model makes the clamping lobe of ad hoc structure by steel, fastens plastic pipe clip to be cut.Overcoming steel elastic force crosses wayward by force, and the motion track of clamping lobe is difficult to the problem limited, can grip plastic pipe completely, preventing plastic tube to be subjected to displacement or deformation when cutting, improving the discharging precision of plastic tube, and wear-resisting durable, maintenance cost is low, long service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing plastic tube discharging cutting chuck;
Fig. 2 is the another structural representation of existing plastic tube discharging cutting chuck;
Fig. 3 is the clamping valve structure schematic diagram of a kind of plastic tube discharging cutting of the utility model chuck;
Fig. 4 is the stable tongue structure schematic diagram of a kind of plastic tube of the utility model discharging cutting chuck;
Fig. 5 is the clamping head structural representation of a kind of plastic tube discharging cutting of the utility model chuck;
Fig. 6 is the overall structure schematic diagram of a kind of plastic tube discharging cutting of the utility model chuck;
Fig. 7 is the releasing orientation schematic diagram of a kind of plastic tube discharging cutting of the utility model chuck;
Fig. 8 is the clamped condition schematic diagram of a kind of plastic tube discharging cutting of the utility model chuck.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in figures 3 to 6, the utility model embodiment provides a kind of plastic tube discharging cutting chuck, comprise cylinder pedestal 1 and the annular clamping lobe 2 be located on described cylinder pedestal 1, described clamping lobe 2 comprises connector 3 and clamping head 4, one end of described connector 3 is fixedly connected with described cylinder pedestal 1, the other end is provided with described clamping head 4, leaves certain interval between adjacent described clamping lobe 2, and described clamping head 4 can draw in the axis direction of described cylinder pedestal 1 under external force; Described connector 3 is provided with the hollow slots 5 of strip, is provided with the clamping face 6 that radial section is circular arc inside described clamping head 4, and described clamping face 6 is when described clamping head 4 draws in completely and the axis parallel of described cylinder pedestal 1.
Wherein, described cylinder pedestal 1 is the annular element on the basis as described chuck, is provided with for locating and coordinating the flange 7 installed with plastic tube discharging machine bottom it.
Described plastic tube discharging machine is provided with the pipe box (not shown in FIG.) coordinated with described clamping lobe 2, its inner surface coordinates with the outer surface of described clamping lobe 2, described clamping lobe 2 is made inwardly to tighten up or outwards be returned to original state by the axially-movable of the relatively described clamping lobe 2 of pipe box, to clamp or to unclamp plastic tube to be cut.
The utility model makes the clamping lobe 2 of ad hoc structure by steel, fastens plastic pipe clip to be cut.Overcoming steel elastic force crosses wayward by force, and the motion track of clamping lobe 2 is difficult to the problem limited, can grip plastic pipe completely, preventing plastic tube to be subjected to displacement or deformation when cutting, improving the discharging precision of plastic tube, and wear-resisting durable, maintenance cost is low, long service life.
Preferably, described connector 3 is from the junction with described cylinder pedestal 1 to the first bonding pad 32, bonding pad 31, second that described clamping head 4 is divided into width to increase step by step and the 3rd bonding pad 33.
It should be noted that, because the elastic force of steel is large, and described connector 3 mainly rises and is connected with described cylinder pedestal 1 by described clamping head 4, and the motion track limiting described clamping head 4 and the effect of restoring force providing described clamping head 4.Therefore the width of described first bonding pad 31 is minimum, and length is greater than described second bonding pad 32 and the 3rd bonding pad 33 sum, mainly plays the radial displacement cushioning described clamping head 4 and the effect providing restoring force; The width of described second bonding pad 32 is between described first bonding pad 31 and the second bonding pad 32, and length also between, plays the effect of the stability supporting and keep described clamping head 4, prevents described clamping head 4 to be distorted because of mechanical stress.
Preferably, the junction, both sides of described first bonding pad 31 and the second bonding pad 32 is provided with transition cambered surface 34, and the junction, both sides of described second bonding pad 32 and the 3rd bonding pad 33 is provided with intermediate incline 35.
It should be noted that, in use, junction, the both sides Bending Deformation of described first bonding pad 31 and the second bonding pad 32 is larger, the stress that junction produces is also larger, therefore transition cambered surface 34 is provided with in the junction, both sides of described first bonding pad 31 and the second bonding pad 32, the stress equilibrium of junction can be disperseed, prevent junction from producing crack or plastic deformation because stress is excessive.In like manner, the stress of the junction, both sides of described second bonding pad 32 and the 3rd bonding pad 33 is relatively little, intermediate incline 35 can be set in the junction, both sides of described second bonding pad 32 and the 3rd bonding pad 33, by the form on inclined-plane by the stress dispersion of junction, and structure is more simple, cut down finished cost.
Preferably, be provided with stable tongue 8 between adjacent described first bonding pad 31, described stable tongue 8 one end is fixedly connected with described cylinder pedestal 1, and the other end extends to the intersection of described first bonding pad 31 and the second bonding pad 32; Predetermined gap is left between described stable tongue 8 and described clamping lobe 2.
It should be noted that, because described cylinder pedestal 1 and clamping lobe 2 are formed through machined on same steel, when adopting Linear cut shaping to described clamping lobe 2, comparatively wide arc gap can be left between adjacent described first bonding pad 31, and remaining described cylinder pedestal 1 can become fragile, the mechanical structure that impact is overall.Therefore between adjacent described first bonding pad 31, stable tongue 8 is provided with, described stable tongue 8 one end is fixedly connected with described cylinder pedestal 1, the other end extends to the intersection of described first bonding pad 31 and the second bonding pad 32, its end is arc surface 81, both the intensity of described cylinder pedestal 1 had been strengthened, also make total system stress balance, the motion track of described clamping lobe 2 is stablized.
Preferably, described hollow slots 5 is located at the width midway of described connector 3, and extends to described 3rd bonding pad 33 from described first bonding pad 31.
It should be noted that, because described connector 3 annular is located on described cylinder pedestal 1, in order to smooth and easy with the connection of described cylinder pedestal 1, itself also to there is the crooked radian identical with described cylinder pedestal 1.This crooked radian can produce excessive resistance for moving radially of described connector 3 end, affects clamping function.When described clamping lobe 2 grip plastic pipe, the stress of described connector 3 concentrates on the centre place of its width, therefore can arrange the hollow slots 5 of strip herein; And described first bonding pad 31 and the second bonding pad 32 are main elastic deformation regions, therefore the hollow slots 5 of described strip can mainly be arranged in described first bonding pad 31 and the second bonding pad 32, extends to the 3rd bonding pad 33 a little.
Preferably, as shown in Figure 7 and Figure 8, the outer surface of described clamping head 4 is the conical surface reduced gradually to described clamping head 4 end diameter from the junction with described connector 3; When adjacent described clamping head 4 fits gathering completely, described clamping head 4 is combined into the truncated conical shape that middle part is provided with cylindrical hollow out.
It should be noted that, the described outer surface of clamping head 4 coordinates with the pipe box of discharging mechanism, the inner surface of described pipe box is provided with the inclined-plane coordinated with the outer surface of described clamping head 4, described pipe box and described clamping head 4 are coaxially arranged, when described pipe box moves relative to described clamping head 4, described clamping lobe 2 inwardly compressed or outwards resets, making described clamping head 4 clamp or unclamp plastic tube to be cut.The truncated conical shape that middle part is provided with cylindrical hollow out is formed when drawing in completely in order to make described clamping head 4, can first by all the other position excision formings of described clamping lobe 2, then by fixture, described clamping lobe 2 is fixed into the state of drawing in completely, finally process the clamping area of described clamping lobe 2, the cylindrical, hollow position namely formed after clamping.When described clamping lobe 2 be returned to do not stress state time, the central axis at its clamping area and chuck place forms an angle.
Preferably, described hollow slots 5 is near described clamping head 4 one end, be equipped with transition circular hole 9 between adjacent described clamping lobe 2 and the junction of described cylinder pedestal 1, and the diameter of described transition circular hole 9 is greater than the width of each self-corresponding described hollow slots 5 or the spacing of adjacent described clamping lobe 2.
It should be noted that, described hollow slots 5 is stress concentration point when there is elastic deformation near described clamping head 4 one end, between adjacent described clamping lobe 2 and the junction of described cylinder pedestal 1, ftracture at stress concentration point because of metal fatigue after repeated deformation, increase the service life, transition circular hole 9 can be set at corresponding site.Now stress will be dispersed on the camber line of transition circular hole 9, in order to abundant dispersive stress, the diameter of described transition circular hole 9 is greater than the width of each self-corresponding described hollow slots 5 or the spacing of adjacent described clamping lobe 2, to ensure that the arc length of transition circular hole 9 satisfies the demands.
Preferably, according to the first embodiment of clamping lobe 2 described in the utility model, described plastic tube discharging cutting chuck is provided with two described clamping lobes 2 altogether.Described clamping lobe 2 needs at least onely to coordinate over the ground, could be steady by plastic pipe clip, therefore at least can arrange two described clamping lobes 2.Correspondingly, the quantity increasing described clamping lobe 2 can improve manufacture difficulty, but the elastic force suffered by single described clamping lobe 2 can reduce, and therefore described plastic tube discharging cutting chuck can be provided with 2 the above clamping lobes 2.
Preferably, according to the second embodiment of clamping lobe 2 described in the utility model, described plastic tube discharging cutting chuck is provided with four described clamping lobes 2 altogether.
It should be noted that, above-mentioned embodiment is preferred forms, is provided with four described clamping lobes 2 altogether at described plastic tube discharging cutting chuck, because the quantity of described clamping lobe 2 is even numbers, adding man-hour can symmetrical machining, cuts down finished cost, improves machining accuracy simultaneously; And the centering of now described clamping lobe 2 is good, be not easy during clamping to depart from center, elastic force is moderate, can meet most discharging mechanism needs.
Preferably, described plastic tube discharging cutting chuck uses spring steel to make.
It should be noted that, there is the differences such as price, difficulty of processing, physical property in the steel of heterogeneity, and described plastic tube discharging cutting chuck can select the steel of heterogeneity according to the size of its elastic force and application scenario.In general civilian plastic tube discharging mechanism, preferably adopt 60Si2Mn spring steel, after roughing, carry out modifier treatment, and then fine finishining, the good and fatigue strength of the elastic deformation of gripping sleeve is strengthened.
Above disclosedly be only a kind of preferred embodiment of the utility model, certainly can not limit the interest field of the utility model with this, therefore according to the equivalent variations that the utility model claim is done, still belong to the scope that the utility model is contained.
Claims (10)
1. a plastic tube discharging cutting chuck, it is characterized in that, comprise cylinder pedestal and the annular clamping lobe be located on described cylinder pedestal, described clamping lobe comprises connector and clamping head, one end of described connector is fixedly connected with described cylinder pedestal, the other end is provided with described clamping head, leaves certain interval between adjacent described clamping lobe, and described clamping head can draw in the axis direction of described cylinder pedestal under external force; Described connector is provided with the hollow slots of strip, is provided with the clamping face that radial section is circular arc inside described clamping head, and described clamping face is when described clamping head draws in completely and the axis parallel of described cylinder pedestal.
2. plastic tube discharging cutting chuck as claimed in claim 1, is characterized in that, the first bonding pad that described connector is divided into width to increase step by step from the junction with described cylinder pedestal to described clamping head, the second bonding pad and the 3rd bonding pad.
3. plastic tube discharging cutting chuck as claimed in claim 2, it is characterized in that, the junction, both sides of described first bonding pad and the second bonding pad is provided with transition cambered surface, and the junction, both sides of described second bonding pad and the 3rd bonding pad is provided with intermediate incline.
4. plastic tube discharging cutting chuck as claimed in claim 2, it is characterized in that, be provided with stable tongue between adjacent described first bonding pad, described stable tongue one end is fixedly connected with described cylinder pedestal, and the other end extends to the intersection of described first bonding pad and the second bonding pad; Predetermined gap is left between described stable tongue and described clamping lobe.
5. plastic tube discharging cutting chuck as claimed in claim 2, it is characterized in that, described hollow slots is located at the width midway of described connector, and extends to described 3rd bonding pad from described first bonding pad.
6. plastic tube discharging cutting chuck as claimed in claim 1, it is characterized in that, the outer surface of described clamping head is the conical surface reduced gradually to described clamping head end diameter from the junction with described connector; When adjacent described clamping head fits gathering completely, described clamping head is combined into the truncated conical shape that middle part is provided with cylindrical hollow out.
7. plastic tube discharging cutting chuck as claimed in claim 1, it is characterized in that, described hollow slots is equipped with transition circular hole near described clamping head one end and between adjacent described clamping lobe and the junction of described cylinder pedestal, and the diameter of described transition circular hole is greater than the width of each self-corresponding described hollow slots or the spacing of adjacent described clamping lobe.
8. the plastic tube discharging cutting chuck as described in any one of claim 1-7, is characterized in that, described plastic tube discharging cutting chuck is provided with the described clamping lobe of 2 or more altogether.
9. the plastic tube discharging cutting chuck as described in any one of claim 1-7, is characterized in that, described plastic tube discharging cutting chuck is provided with 4 described clamping lobes altogether.
10. the plastic tube discharging cutting chuck as described in any one of claim 1-7, is characterized in that, described plastic tube discharging cutting chuck uses spring steel to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514329.5U CN204195838U (en) | 2014-09-09 | 2014-09-09 | A kind of plastic tube discharging cutting chuck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420514329.5U CN204195838U (en) | 2014-09-09 | 2014-09-09 | A kind of plastic tube discharging cutting chuck |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204195838U true CN204195838U (en) | 2015-03-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420514329.5U Expired - Fee Related CN204195838U (en) | 2014-09-09 | 2014-09-09 | A kind of plastic tube discharging cutting chuck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204195838U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260134A (en) * | 2014-09-09 | 2015-01-07 | 佛山市新党奥托科技有限公司 | Discharging and cutting clamp cover for plastic pipe |
-
2014
- 2014-09-09 CN CN201420514329.5U patent/CN204195838U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104260134A (en) * | 2014-09-09 | 2015-01-07 | 佛山市新党奥托科技有限公司 | Discharging and cutting clamp cover for plastic pipe |
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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: 20150311 Termination date: 20150909 |
|
| EXPY | Termination of patent right or utility model |