CN102294707B - Clamping device - Google Patents
Clamping device Download PDFInfo
- Publication number
- CN102294707B CN102294707B CN 201110277637 CN201110277637A CN102294707B CN 102294707 B CN102294707 B CN 102294707B CN 201110277637 CN201110277637 CN 201110277637 CN 201110277637 A CN201110277637 A CN 201110277637A CN 102294707 B CN102294707 B CN 102294707B
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- CN
- China
- Prior art keywords
- clamping
- cylindrical shell
- sleeve
- lock sleeve
- plastic pipe
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- Expired - Fee Related
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- 210000000078 claw Anatomy 0.000 claims description 32
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract 1
- 238000005520 cutting process Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
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Abstract
The invention discloses a clamping device, which comprises mounting plates arranged at two sides of a mounting bracket respectively, wherein the mounting plate of each side is provided with a clamping mechanism; the structure of each clamping mechanism comprises a clamping sleeve and a locking sleeve which are mutually matched, wherein the clamping sleeve comprises a head and a cylinder, the cylinder is provided with at least three 'V'-shaped notches with wide outside and narrow inside, a clamping jaw is formed at the outer end of the cylinder through the notches, the cylinder is arranged in the cavity of the locking sleeve, and a taper section is formed in the cavity of the locking sleeve; and the cylinder is driven by a pair of clamping cylinders and moves to and fro in the cavity of the locking sleeve, so that the clamping jaw can be closed or opened. In the clamping device, the clamping sleeve has good recovery property and long service life; and the clamping jaw on the clamping sleeve has large closing amplitude, and the clamping sleeve of one specification can clamp plastic pipes of multiple specifications, so the utilization rate is improved. The clamping device can be widely applied to plastic pipe production equipment.
Description
Technical field
The present invention relates to plastic pipe production device, be specifically related to the clamping device in plastic pipe production device.
Background technology
Plastic pipe production device mainly comprises several parts such as conical double screw extruder, extrusion die, vacuum sizing device, cooling device, draw-gear, cutter sweep.and cutter sweep wherein generally includes cutting mechanism and clamping device two parts, wherein the structure of clamping device is: mounting bracket, both sides along the plastic pipe moving direction on mounting bracket are respectively arranged with installing plate, be provided with clamp mechanism on the installing plate of each side, the structure of each clamp mechanism is: the gripping sleeve that cooperatively interacts and lock sleeve, wherein gripping sleeve comprises head and cylindrical shell, evenly be provided with vertically at least three notches on described cylindrical shell, described notch makes the cylindrical shell outer end portion form claw, described notch is " one " font, be provided with on the outer surface of cylindrical shell upper clipping claw by thick tapered tapered section, described cylindrical shell is arranged in the inner chamber of lock sleeve, also be provided with in the inner chamber of described lock sleeve by thick tapered tapered section, described cylindrical shell is driven by drive unit, and move in the inner chamber of lock sleeve, and when cylindrical shell from outside to inside in the lock sleeve during movement, tapered section in the tapered section of cylindrical shell jaw surface and lock sleeve inner chamber cooperatively interacts, claw is drawn in and firmly block plastic pipe, otherwise when cylindrical shell moved outside the lock sleeve from inside to outside, claw can unclamp and decontrol plastic pipe.The structure of described drive unit is: be fixedly installed respectively a pair of clamping cylinder on the installing plate of mounting bracket both sides, every pair of clamping cylinder lays respectively at the upper and lower of this side clamp mechanism, two gripping sleeves are separately fixed on two connecting plates, every connecting plate is fixed on upper and lower two connecting rods of this side, and two connecting rods are separately fixed on the piston rod of upper and lower two cylinders of this side.
In said structure, because three notches that form claw on cylindrical shell are " one " font, when unclamping after making claw draw in, its reproducibility is relatively poor again, easily produces plastic deformation, and service life is short; And the claw of this structure, its gathering amplitude is very limited, usually can only tighten a kind of plastic pipe of specification, must be equipped with different gripping sleeves and lock sleeve when making the tubing of producing different specification size, not only changes trouble, and increases production cost; Moreover the drive unit in this clamping device need configure four cylinders, and cost is higher.
Summary of the invention
Well-recovered, the long service life that is to provide a kind of gripping sleeve of the problem that the present invention need to solve and can clamp the clamping device of plurality of specifications plastic pipe.
For addressing the above problem, the present invention is achieved through the following technical solutions.
clamping device, comprise: mounting bracket, both sides along the plastic pipe moving direction on mounting bracket are respectively arranged with installing plate, be provided with clamp mechanism on the installing plate of each side, the structure of each clamp mechanism is: the gripping sleeve that cooperatively interacts and lock sleeve, lock sleeve is fixedly mounted on installing plate, wherein gripping sleeve comprises head and cylindrical shell, be provided with vertically at least three notches on described cylindrical shell, described notch makes the outer end portion of cylindrical shell form claw, described cylindrical shell is arranged in the inner chamber of lock sleeve, be provided with tapered section in the inner chamber of described lock sleeve, described cylindrical shell is driven by drive unit, and move in the inner chamber of lock sleeve, and when cylindrical shell from outside to inside in the lock sleeve during movement, claw firmly blocks plastic pipe in the tapered section gathering, when cylindrical shell moves outside the lock sleeve from inside to outside, claw can unclamp and decontrol plastic pipe, described notch is " V " shape notch wide outside and narrow inside, the structure of described drive unit is: wherein be fixedly installed a pair of clamping cylinder on the installing plate of a side at mounting bracket, clamping cylinder lays respectively at the both sides up and down of clamp mechanism, and described two gripping sleeves are driven clamping cylinder by this.
Further, aforesaid clamping device, wherein, the concrete syndeton of described clamping cylinder and gripping sleeve is: the end of each cylinder piston rod is provided with connecting rod, on two installing plates of the equal expansion bearing of described connecting rod in mounting bracket, two gripping sleeves are separately fixed on two connecting plates, and every connecting plate is fixed on connecting rod.
Further, aforesaid clamping device, wherein, in the inner chamber of described lock sleeve, the two ends of tapered section are flat segments.
Advantage of the present invention is: owing to being provided with " V " wide outside and narrow inside font notch on the cylindrical shell of gripping sleeve, when unclamping after claw draws in and clamps, it is Well-recovered, long service life again; And the amplitude that the structure of " V " font notch is drawn claw in is larger, thereby a kind of gripping sleeve of specification can tighten the plastic pipe of plurality of specifications size, has improved utilization rate, has reduced production cost; And only being provided with two clamping cylinders in clamp mechanism, equipment cost reduces greatly.
Description of drawings
Fig. 1 is the structural representation of clamping device of the present invention.
Fig. 2 is the structural representation of the first gripping sleeve in Fig. 1.
Fig. 3 is the right view of Fig. 2.
Fig. 4 is the structural representation of the second gripping sleeve in Fig. 1.
Fig. 5 is the right view of Fig. 4.
The specific embodiment
The present invention is described in further detail below in conjunction with the drawings and specific embodiments.
as shown in Figure 1, described clamping device, comprise: mounting bracket 1, both sides along the plastic pipe moving direction on mounting bracket 1 are respectively arranged with the first installing plate 2 and the second installing plate 3, be provided with the first clamp mechanism on the first installing plate 2, be provided with the second clamp mechanism on the second installing plate 3, the structure of the first clamp mechanism is: referring to Fig. 1, Fig. 2, shown in Figure 3, the first gripping sleeve 4 that cooperatively interacts and the first lock sleeve 5, the first lock sleeve 5 is fixedly mounted on the first installing plate 2, wherein the first gripping sleeve comprises the first head 41 and the first cylindrical shell 42, evenly be provided with vertically three V-shaped groove mouths 6 wide outside and narrow inside on described the first cylindrical shell 42, three notches 6 make the outer end portion of the first cylindrical shell 42 form three the first claws 421, described the first cylindrical shell 42 is arranged in the inner chamber of the first lock sleeve 5, be provided with tapered section in the inner chamber of described the first lock sleeve 5, the two ends of tapered section are flat segments, the structure of the second clamp mechanism is: referring to Fig. 1, Fig. 4, shown in Figure 5, the second gripping sleeve 7 that cooperatively interacts and the second lock sleeve 8, the second lock sleeve 8 is fixedly mounted on the second installing plate 3, wherein the second gripping sleeve 7 comprises the second head 71 and the second cylindrical shell 72, be provided with vertically four " V " shape notches wide outside and narrow inside on described the second cylindrical shell 72, four notches make the outer end portion of the second cylindrical shell 72 form four the second claws 721, described the second cylindrical shell 72 is arranged in the inner chamber of the second lock sleeve 8, also be provided with tapered section in the inner chamber of described the second lock sleeve 8, the two ends of tapered section are also flat segments.Described the first cylindrical shell 42 and the second cylindrical shell 72 are driven, are also moved in the inner chamber of the first lock sleeve 5 and the second lock sleeve 8 respectively by drive unit.When the first cylindrical shell 42 interior when mobile toward the first lock sleeve 5 from outside to inside, the first claw 421 on the first cylindrical shell 42 can draw in and firmly block plastic pipe at tapered section, outer when mobile toward the first lock sleeve 7 from inside to outside when the first cylindrical shell 42, the first claw 421 can unclamp and decontrol plastic pipe; When the second cylindrical shell 72 interior when mobile toward the second lock sleeve 8 from outside to inside, the second claw 721 can draw in and firmly block plastic pipe at tapered section, outer when mobile toward the second lock sleeve 8 from inside to outside when the second cylindrical shell 72, the second claw 721 can unclamp and decontrol plastic pipe.the structure of described drive unit is: shown in Figure 1, be fixedly installed a pair of clamping cylinder 9 on the second installing plate 3 on mounting bracket 1, two clamping cylinders 9 lay respectively at the both sides up and down of clamp mechanism, the end of each cylinder piston rod 91 is provided with connecting rod 10, described connecting rod 10 difference expansion bearings are on the first installing plate 2 and the second installing plate 3, the first gripping sleeve 4 is fixed on the first connecting plate 11, the second gripping sleeve 7 is fixed on the second connecting plate 12, the two ends up and down of the first connecting plate 11 and the second connecting plate 12 are separately fixed on the connecting rod 10 of two of up and down.
during work, the plastic pipe that double screw extruder is extruded passes the first gripping sleeve 4, the first lock sleeve 5, the second gripping sleeve 7, the second lock sleeve 8, when needs clamp plastic pipe so that when plastic pipe is cut, cylinder piston rod 91 on two clamping cylinders 9 pulls respectively coupled upper, lower two connecting rods 10 move to the direction near clamping cylinder 9, on, lower two connecting rods 10 drive simultaneously the first connecting plate 11 and the second connecting plate 12 moves to the direction near clamping cylinder 9, this moment, the first cylindrical shell 42 was from outside to inside toward the first interior movement of lock sleeve 5, the tapered section of the first claw 421 on the first cylindrical shell 42 in the first gripping sleeve 5 inner chambers draws in gradually, until firmly block plastic pipe, the second cylindrical shell 72 is also from outside to inside toward the second interior movement of lock sleeve 8 simultaneously, the tapered section of the second claw 721 on the second cylindrical shell 72 in the second gripping sleeve 8 inner chambers draws in gradually, until firmly block plastic pipe.after two gripping sleeves are all fixed plastic pipe, cutting mechanism can carry out cutting operation to plastic pipe, cut complete after, cylinder piston rod 91 on two clamping cylinders 9 promotes respectively coupled upper, lower two connecting rods 10 move to the direction away from clamping cylinder 9, on, lower two connecting rods 10 drive simultaneously the first connecting plate 11 and the second connecting plate 12 moves to the direction away from clamping cylinder 9, this moment, the first cylindrical shell 42 was from inside to outside toward the first outer movement of lock sleeve 5, the first claw 421 on the first cylindrical shell 42 withdraws from the tapered section in the first gripping sleeve 5 inner chambers gradually, after unclamping plastic pipe, the first claw 421 reduces, the second cylindrical shell 72 is also from inside to outside toward the second outer movement of lock sleeve 8 simultaneously, the second claw 721 on the second cylindrical shell 72 withdraws from the tapered section in the second gripping sleeve 8 inner chambers gradually, after unclamping plastic pipe, the second claw 721 reduces, this clamping device has namely been completed and has once been clamped work.In said structure, because notch 6 is " V " font wide outside and narrow inside, the gathering amplitude of claw is larger, therefore a kind of gripping sleeve of specification can tighten the plastic pipe of multiple different tube diameters, gripping sleeve is when the plastic pipe of chucking different tube diameters, when as thicker in the caliber of plastic pipe, the first cylindrical shell 42 and 72 need of the second cylindrical shell move in corresponding the first lock sleeve 5 and the second lock sleeve 8 inner chambers thicker position in tapered section, and claw can firmly block plastic pipe; When as thinner in the caliber of plastic pipe, the first cylindrical shell 42 and 72 need of the second cylindrical shell move in corresponding the first lock sleeve 5 and the second lock sleeve 8 inner chambers thinner position in tapered section, and claw can firmly block plastic pipe.
Advantage of the present invention is: owing to being provided with " V " wide outside and narrow inside font notch on the cylindrical shell of gripping sleeve, when unclamping after claw draws in and clamps, it is Well-recovered, long service life again; And the amplitude that the structure of " V " font notch is drawn claw in is larger, thereby a kind of gripping sleeve of specification can tighten the plastic pipe of plurality of specifications size, has improved utilization rate, has reduced production cost; And only being provided with two clamping cylinders in clamp mechanism, equipment cost reduces greatly.
Claims (3)
1. clamping device, comprise: mounting bracket, both sides along the plastic pipe moving direction on mounting bracket are respectively arranged with installing plate, be provided with clamp mechanism on the installing plate of each side, the structure of each clamp mechanism is: the gripping sleeve that cooperatively interacts and lock sleeve, lock sleeve is fixedly mounted on installing plate, wherein gripping sleeve comprises head and cylindrical shell, be provided with vertically at least three notches on described cylindrical shell, described notch makes the outer end portion of cylindrical shell form claw, described cylindrical shell is arranged in the inner chamber of lock sleeve, be provided with tapered section in the inner chamber of described lock sleeve, described cylindrical shell is driven by drive unit, and move in the inner chamber of lock sleeve, and when cylindrical shell from outside to inside in the lock sleeve during movement, claw firmly blocks plastic pipe in the tapered section gathering, when cylindrical shell moves outside the lock sleeve from inside to outside, claw can unclamp and decontrol plastic pipe, it is characterized in that: described notch is " V " shape notch wide outside and narrow inside, the structure of described drive unit is: wherein be fixedly installed a pair of clamping cylinder on the installing plate of a side at mounting bracket, clamping cylinder lays respectively at the both sides up and down of clamp mechanism, and described two gripping sleeves are driven clamping cylinder by this.
2. clamping device according to claim 1, it is characterized in that: the concrete syndeton of described clamping cylinder and gripping sleeve is: the end of each cylinder piston rod is provided with connecting rod, on two installing plates of the equal expansion bearing of described connecting rod in mounting bracket, two gripping sleeves are separately fixed on two connecting plates, and every connecting plate is fixed on connecting rod.
3. clamping device according to claim 1 and 2, it is characterized in that: in the inner chamber of described lock sleeve, the two ends of tapered section are flat segments.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277637 CN102294707B (en) | 2011-09-19 | 2011-09-19 | Clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110277637 CN102294707B (en) | 2011-09-19 | 2011-09-19 | Clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102294707A CN102294707A (en) | 2011-12-28 |
| CN102294707B true CN102294707B (en) | 2013-06-19 |
Family
ID=45355501
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110277637 Expired - Fee Related CN102294707B (en) | 2011-09-19 | 2011-09-19 | Clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102294707B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103223679B (en) * | 2013-05-06 | 2015-06-10 | 张家港市金远东机械有限公司 | Pipe clamping device for PVC pipe production line |
| CN103331775A (en) * | 2013-05-15 | 2013-10-02 | 张家港市金远东机械有限公司 | Pipe clamping device in PVC pipe production line |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1449607A1 (en) * | 2003-02-24 | 2004-08-25 | Nikken Kosakusho Works Ltd. | Tool holder |
| CN101362217A (en) * | 2008-09-09 | 2009-02-11 | 钟树平 | Clamping head of blanking machine |
| CN201253718Y (en) * | 2008-09-19 | 2009-06-10 | 徐长征 | Push-and-pull type clamping device |
| CN101927508A (en) * | 2010-08-12 | 2010-12-29 | 胡志全 | Clamping device for cutting machine |
| CN201728388U (en) * | 2010-08-11 | 2011-02-02 | 刘小利 | Tap chuck |
| CN202292873U (en) * | 2011-09-19 | 2012-07-04 | 张家港市杰达机械制造有限公司 | Clamping device |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE20102880U1 (en) * | 2001-02-16 | 2001-07-19 | Robert Schröder GmbH & Co. KG, 42369 Wuppertal | Jaw |
-
2011
- 2011-09-19 CN CN 201110277637 patent/CN102294707B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1449607A1 (en) * | 2003-02-24 | 2004-08-25 | Nikken Kosakusho Works Ltd. | Tool holder |
| CN101362217A (en) * | 2008-09-09 | 2009-02-11 | 钟树平 | Clamping head of blanking machine |
| CN201253718Y (en) * | 2008-09-19 | 2009-06-10 | 徐长征 | Push-and-pull type clamping device |
| CN201728388U (en) * | 2010-08-11 | 2011-02-02 | 刘小利 | Tap chuck |
| CN101927508A (en) * | 2010-08-12 | 2010-12-29 | 胡志全 | Clamping device for cutting machine |
| CN202292873U (en) * | 2011-09-19 | 2012-07-04 | 张家港市杰达机械制造有限公司 | Clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102294707A (en) | 2011-12-28 |
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| C10 | Entry into substantive examination | ||
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Granted publication date: 20130619 Termination date: 20150919 |
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| EXPY | Termination of patent right or utility model |