CN204842494U - A blank aluminum alloy tube tip clamping device for finish draw plumber preface - Google Patents
A blank aluminum alloy tube tip clamping device for finish draw plumber preface Download PDFInfo
- Publication number
- CN204842494U CN204842494U CN201520395492.9U CN201520395492U CN204842494U CN 204842494 U CN204842494 U CN 204842494U CN 201520395492 U CN201520395492 U CN 201520395492U CN 204842494 U CN204842494 U CN 204842494U
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- Prior art keywords
- claw
- clamping
- gear
- lock
- grab tensile
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Abstract
The utility model provides a blank aluminum alloy tube tip clamping device for finish draw plumber preface, it has the inner wall for jack catch in to one side wedge -form to stretch into one toward the aluminum alloy tube inner wall, simultaneously one suit has the outer wall for jack catch outside oblique wedge -form the pipe wall outside, utilize three screw from the flange of outer jack catch with an inner wall for oblique wedge -form sleeve suit outside on the jack catch tightly, the outside oblique wedge -form slide wedge oppression effect of the external jack catch of slide wedge shape through the sleeve inner wall makes the tight aluminum alloy tube's of wild card jaw clamp outer wall, and simultaneously, the slide wedge shape inner wall of oppressing interior jack catch is outwards taken out to a pull rod that has the back taper head of suit in the interior jack catch of utilization, thereby aluminum alloy tube's inner wall is hugged closely to the jack catch in making, aluminum alloy tube's tip has just so been grasped through intraductal and the jack catch outside of tubes.
Description
Technical field
The present invention relates to a kind of clamping device of the blank aluminium-alloy pipe end for bench, specifically, in the middle of finish draw plumber sequence, the two ends of a blank aluminium-alloy pipe by after described gripping apparatus grips through repeatedly to the operation of side stretching outside two ends, make its internal diameter, wall thickness reach in the dimensional tolerance range of regulation.
Background technology
The current aluminium-alloy pipe clamping device for bench generally adopts the claw clamping device being similar to the scroll chuck that lathe uses to clamp the end of aluminium-alloy pipe from outside, due to very large tensile stress can be produced in the process of being elongated by blank aluminium-alloy pipe, therefore the claw clamping device at aluminium-alloy pipe two ends needs the two ends of vising shell by very large power, the two ends that one stretching process terminates rear blank aluminium-alloy pipe are often just flat by folder, have no alternative but just two flat tip cut-offs of folder to be continued to be left to next stretching process use, for this reason, be necessary to develop a kind of clamping device that can substantially keep shell two ends tubular.
Utility model content
[technical problem of solution]
The utility model is exactly in trombone slide process, easily blank aluminium-alloy pipe two ends are pressed from both sides flat shortcoming for above-mentioned common claw clamping device, provides a kind of clamping device that can substantially keep blank aluminium-alloy pipe two ends tubular.
[technical scheme of employing]
In order to solve the problems of the technologies described above, the utility model have employed the mode simultaneously clamping its tube wall from aluminium-alloy pipe inner and outer wall and realizes clamping action.Specifically, stretching into one toward aluminium-alloy pipe inwall exactly, to have inwall be claw in inclined wedge-shaped, and being set with one outward at tube wall has the outer claw that outer wall is inclined wedge-shaped simultaneously.Utilize three screws to be tightly sleeved on outer claw from the sleeve that an inwall is inclined wedge-shaped by the flange of outer claw, make outer claw clamp the outer wall of aluminium-alloy pipe by the wedge contention effect of the outside inclined wedge-shaped of the external claw of the inclined wedge-shaped of sleeve lining.Meanwhile, the inclined wedge-shaped inwall of oppressing interior claw outwards extracted out by one that is set with in claw in the utilizing pull bar with back taper head, thus makes interior claw be close to the inwall of aluminium-alloy pipe.So just clamp the end of aluminium-alloy pipe by the claw in pipe and outside pipe.
The invention provides a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence, comprise and clamp claw and outer claw in tube wall from aluminium-alloy pipe inside and outside wall simultaneously; Described a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence also comprises inner tubal wall expanded support clamping pull bar, clamping gear, grab tensile sleeve, and clamping gear position lock screw, clamping gear rear support and lock bracket, grab tensile sleeve lock-screw and anti-attrition ball; Described interior claw has three lobe claws, and the inwall of this three lobes claw is towards the back taper inclined wedge-shaped of bottom; The bottom of interior claw has the flange in strap bolt hole; Described wild card grippers has three lobe claws, and the top of this three lobes claw has the grab tensile sleeve mounting flange of band screw hole, and three lobe claw outer walls of outer claw are the taper shape of purse up bottom outside claw; Outer claw bottom inside has the flange spliced mutually with interior claw flange in the bottom, and described flange has the bolt hole corresponding with the bolt hole position of flange; Described interior catch jacket is loaded in the middle of outer claw, and flange and flange are stitched together fastening with bolt and nut, and make outer claw become as a whole with interior claw, interior claw is corresponding with the position of three lobe claws of outer claw; The head of described inner tubal wall expanded support clamping pull bar is the back taper suitable with the back taper wedge shape inwall of interior claw, and middle part has motion thread, and rear portion shaft has square cross section and outer wall; Described inner tubal wall expanded support clamping pull bar inserts in the middle of three lobe claws of interior claw; The inwall of described grab tensile sleeve is the back taper suitable with three lobe claw outer walls of outer claw, and grab tensile sleeve is anchored on outer claw from the grab tensile sleeve mounting flange on three lobe claws of outer claw by described grab tensile sleeve lock-screw; The stage casing motion thread of described inner tubal wall expanded support clamping pull bar forms screw pair with the center driving screwed hole of the rotatable clamping gear being fixedly mounted on grab tensile sleeve rear portion, clamp gear can drive by the transmission mechanism of the smart bench in outside; Described clamping gear is installed between grab tensile sleeve rear portion and described clamping gear rear support and lock bracket by clamping; Described a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence has circumferential position locking device and the rotary anti-abrasion device of clamping gear; Described a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence has the anti-rotation device of inner tubal wall expanded support clamping pull bar.
Preferably, the circumferential position locking device of described clamping gear includes the screw hole that a circle clamps gear position lock hole, the relevant position, rear portion of grab tensile sleeve also has one on described clamping gear encloses the circle lock screw that relevant position also has in clamping gear position screw lock hole, clamping gear rear support and lock bracket, and one of the screw hole passing above-mentioned all clamping gear position screw lock holes and lock screw clamps gear position lock screw; The annular anti-attrition ball orbit of the indent that the relevant position that the rotary anti-abrasion device of described clamping gear comprises grab tensile sleeve rear portion and clamps gear rear support and lock bracket installation clamping gear all has, the anti-attrition ball of whole circle is filled with, described clamping gear rear support and the fastening rear portion being installed on grab tensile sleeve of lock bracket in the middle of described annular anti-attrition ball orbit; The positive and negative both ends of the surface of described clamping gear all also have corresponding interior hollow toroid anti-attrition ball orbit; The anti-rotation device of inner tubal wall expanded support clamping pull bar is clamp in gear rear support and lock bracket to have the anti-rotation square hole clamping the square outer wall adaptation that pull bar rear portion has with inner tubal wall expanded support; The rear portion of described inner tubal wall expanded support clamping pull bar is inserted in the middle of described anti-rotation square hole.
[beneficial effect of realization]
After adopting above-mentioned technical solution, owing to have employed simultaneously from the means of managing clamping interior and pipe, just can the outer wall of blank aluminium-alloy pipe be effectively avoided to be pressed from both sides flat, after each stretching process completes, the end of blank aluminium-alloy pipe still can keep the tubular of hollow, thus can one stretching process be entered down smoothly and need not be amputated, save the consumption of blank aluminium-alloy pipe raw material.
Accompanying drawing explanation
Fig. 1: finish draw plumber sequence aluminium-alloy pipe end clamping device front left angled view appearance schematic diagram;
Fig. 2: angled view appearance schematic diagram on the right side of clamping device front portion, finish draw plumber sequence aluminium-alloy pipe end;
Fig. 3: clamping device rear portion, finish draw plumber sequence aluminium-alloy pipe end angled view appearance schematic diagram;
Fig. 4: the schematic diagram disassembling the front left oblique viewing angle of clamping gear rear support and lock bracket;
Fig. 5: the schematic diagram disassembling the anterior right side oblique viewing angle of clamping gear rear support and lock bracket;
Fig. 6: the schematic diagram disassembling the anterior right side oblique viewing angle of the grab tensile sleeve of finish draw plumber sequence aluminium-alloy pipe end clamping device;
Fig. 7: the schematic diagram disassembling the anterior right side oblique viewing angle of the grab tensile sleeve of finish draw plumber sequence aluminium-alloy pipe end clamping device;
Fig. 8: the schematic diagram disassembling the front left oblique viewing angle of the grab tensile sleeve of finish draw plumber sequence aluminium-alloy pipe end clamping device further;
Fig. 9: the schematic diagram disassembling the front left oblique viewing angle of the grab tensile sleeve of finish draw plumber sequence aluminium-alloy pipe end clamping device further;
Figure 10: the front left oblique viewing angle schematic diagram disassembled completely of finish draw plumber sequence aluminium-alloy pipe end clamping device;
Figure 11: the anterior right side oblique viewing angle schematic diagram disassembled completely of finish draw plumber sequence aluminium-alloy pipe end clamping device;
Figure 12: the axial line plane cutting cross sectional representation of finish draw plumber sequence aluminium-alloy pipe end clamping device;
Figure 13: inner tubal wall expanded support clamping pull bar appearance schematic diagram;
Figure 14: interior claw appearance schematic diagram;
Figure 15: outer claw appearance schematic diagram;
Figure 16: outer claw axial line plane cutting cross sectional representation;
Figure 17: interior claw axial line plane cutting cross sectional representation;
[Reference numeral]
1: treat finish draw blank aluminium-alloy pipe; 2: grab tensile sleeve; 3: inner tubal wall expanded support clamping pull bar; 4: clamping gear; 5: clamping gear position lock screw; 6: clamping gear rear support and lock bracket; 7: annular anti-attrition ball orbit; 8: the screw hole of lock screw; 9: anti-attrition ball; 10: outer claw; 11: clamping gear position lock hole; 12: grab tensile sleeve lock-screw; 13: interior claw; 14: anti-rotation square hole; 15: flange; 16: flange; 17: grab tensile sleeve mounting flange; 18: center driving screwed hole;
Detailed description of the invention
Below describe and realize the utility model for disclosing the utility model to enable those skilled in the art.Preferred embodiment in below describing only as an example, it may occur to persons skilled in the art that other apparent modification.
As shown in Figure 1 to 11, the key components and parts of a kind of embodiment of the present utility model is interior claw 13, inner tubal wall expanded support clamping pull bar 3, clamping gear 4, outer claw 10, grab tensile sleeve 2, also comprises clamping gear position lock screw 5, clamping gear rear support and lock bracket 6, grab tensile sleeve lock-screw 12 and these auxiliary components of anti-attrition ball 9.
As shown in Figure 14 and Figure 17, interior claw 13 has three lobe claws, and the inwall of this three lobes claw is towards the back taper inclined wedge-shaped of bottom, and the bottom of interior claw 13 has the flange 15 in strap bolt hole.As shown in Figure 15 and Figure 16, outer claw 10 is also divided into three lobe claws, and the top of this three lobes claw has the grab tensile sleeve mounting flange 17 of band screw hole, and three lobe claw outer walls of outer claw are the taper shape of purse up bottom outside claw 10.Outer claw 10 bottom inside has the flange 16 spliced with interior claw 13 flange in the bottom 15 phase, and described flange 16 has the bolt hole corresponding with the bolt hole position of flange 15.As shown in figure 12, interior claw 13 is set in the middle of outer claw 10, and flange 15 and flange 16 are stitched together fastening with bolt and nut, and make outer claw 10 as a whole with interior claw 13 one-tenth, interior claw 13 is corresponding with the position of three lobe claws of outer claw 10.
As shown in figure 13, the head of inner tubal wall expanded support clamping pull bar 3 is the back taper suitable with the back taper wedge shape inwall of interior claw 13, and middle part has motion thread, and rear portion shaft has square cross section and outer wall.When putting into clamping device that the utility model provides until finish draw blank aluminium-alloy pipe 1, in the middle of the three lobe claws first described inner tubal wall expanded support clamping pull bar 3 being inserted interior claw 13, insert that to make described inner tubal wall expanded support clamp the back taper inclined wedge-shaped inwall of the head back taper of pull bar 3 and interior claw 13 suitable.Then will treat that finish draw blank aluminium-alloy pipe 1 inserts between interior claw 13 and outer claw 10, and make interior claw 13 treat with outer claw 10 gesture that finish draw blank aluminium-alloy pipe 1 forms clamping.As shown in Figures 1 to 12, from the grab tensile sleeve mounting flange 17 on three lobe claws of outer claw 10, grab tensile sleeve 2 is anchored on outer claw 10 with three grab tensile sleeve lock-screws 12 again, the inwall of grab tensile sleeve 2 is the back taper suitable with three lobe claw outer walls of outer claw 10, after grab tensile sleeve 2 is anchored on outer claw 10 by three grab tensile sleeve lock-screws 12, just make outer claw 10 tightly hold the outer wall treating finish draw blank aluminium-alloy pipe 1 end with wedge contention effect.In addition, as shown in Figures 1 to 12, the stage casing motion thread of described inner tubal wall expanded support clamping pull bar 3 forms screw pair with the center driving screwed hole 18 of the rotatable clamping gear 4 being fixedly mounted on grab tensile sleeve 2 rear portion, just can by described inner tubal wall expanded support clamping pull bar 3 to the outer side stretching treating finish draw blank aluminium-alloy pipe 1 after clamping gear 4 is by the transmission mechanism driven rotary of the smart bench in outside, thus make inner tubal wall expanded support clamp the back taper wedge shape inwall of the crowded interior claw 13 of back taper of pull bar 3 head, thus make three lobe claws of interior claw 13 tightly clamp the inwall treating finish draw blank aluminium-alloy pipe 1.In sum, by the crowded effect of wedge to respectively internally outer claw of inner tubal wall expanded support clamping pull bar 3 and grab tensile sleeve 2, just can allow interior claw 13 and outer claw 10 tightly clamp described in treat the tube wall of finish draw blank aluminium-alloy pipe 1.
As shown in Figures 1 to 8, described clamping gear 4 is installed on grab tensile sleeve 2 rear portion by clamping and clamps between gear rear support and lock bracket 6, the position of grab tensile sleeve 2 rear portion and clamping gear rear support and lock bracket 6 installation clamping gear 4 all has the annular anti-attrition ball orbit 7 of indent, the anti-attrition ball 9 of whole circle is filled with, described clamping gear rear support and the fastening rear portion being installed on grab tensile sleeve 2 of lock bracket 6 in the middle of described annular anti-attrition ball orbit 7.The positive and negative both ends of the surface of described clamping gear 4 all also have the annular anti-attrition ball orbit 7 of indent, the rear portion and clamp between gear rear support and lock bracket 6 that four described ring shape anti-attrition ball orbits 7 and two circle anti-attrition balls 9 wherein both can alleviate described clamping gear 4 and grab tensile sleeve 2 greatly rub, also can realize the spacing effect of radial direction to clamping gear 4.
As shown in Figures 1 to 12, described clamping gear 4 has circumferential position locking device, in the present embodiment this circumferential position locking device comprise a circle clamping gear position lock hole 11 on clamping gear 4, the screw hole 8 of the circle lock screw that relevant position has in corresponding a circle clamping gear position screw lock hole 11, clamping gear rear support and the lock bracket 6 that also have in the relevant position, rear portion of grab tensile sleeve 2.By a clamping gear position lock screw 5, by the clamping gear position screw lock hole 11 on the relevant position, rear portion of described clamping gear 4 and grab tensile sleeve 2, and the screw hole 8 of lock screw of relevant position in clamping gear rear support and lock bracket 6, i.e. the circumferential position of lockable fastening teeth wheel 4.Like this then described inner tubal wall expanded support clamping pull bar 3 can be continued to keep the crowded power of wedge of internal claw 13 make the clamping tightly of interior claw treat the inwall of finish draw blank aluminium-alloy pipe 1.
As shown in Figures 1 to 12, produce to prevent clamping gear 4 inner tubal wall expanded support clamping pull bar 3 when rotary actuation inner tubal wall expanded support clamps pull bar 3 rotation hindering axial slip, clamping gear rear support and lock bracket 6 have the anti-rotation square hole 14 clamping the square outer wall adaptation in pull bar 3 rear portion with inner tubal wall expanded support.Described inner tubal wall expanded support clamping pull bar 3 its rear portion when the utility model assembles is inserted in the middle of described anti-rotation square hole 14.
When once after finish draw plumber sequence completes, clamping gear 4 clamps gear 4 and is driven by the transmission mechanism of the smart bench in outside, and then drives inner tubal wall expanded support clamping pull bar 3 to unclamp interior claw 13 to treating that finish draw blank aluminium-alloy pipe 1 inside heads into.Outer claw 10 can be unclamped after unclamping three grab tensile sleeve lock-screws again, so then can remove the clamping of interior claw 13 and outer claw 10 pairs of aluminium alloy tube walls thus aluminium-alloy pipe workpiece is taken off.
In addition, above-described embodiment of the present utility model also has the anti-rotation device of the circumferential position locking device of clamping gear (4), rotary anti-abrasion device and inner tubal wall expanded support clamping pull bar (3).
More than show and describe general principle of the present utility model, principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; the just principle of the present utility model described in above-described embodiment and description; under the prerequisite not departing from the utility model spirit and scope, the utility model also has various changes and modifications, and these changes and improvements all fall in claimed scope of the present utility model.The protection domain that the utility model requires is defined by appending claims and equivalent thereof.
Claims (2)
1., for a blank aluminium-alloy pipe end clamping device for finish draw plumber sequence, comprise and clamp claw in tube wall (13) and outer claw (10) from aluminium-alloy pipe inside and outside wall simultaneously, it is characterized in that:
Described a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence also comprises inner tubal wall expanded support clamping pull bar (3), clamping gear (4), grab tensile sleeve (2), and clamping gear position lock screw (5), clamping gear rear support and lock bracket (6), grab tensile sleeve lock-screw (12) and anti-attrition ball (9);
Described interior claw (13) has three lobe claws, and the inwall of this three lobes claw is towards the back taper inclined wedge-shaped of bottom; The bottom of interior claw (13) has the flange (15) in strap bolt hole;
Described outer claw (10) has three lobe claws, the top of this three lobes claw has the grab tensile sleeve mounting flange (17) of band screw hole, and three lobe claw outer walls of outer claw (10) are the taper shape of outside claw (10) bottom purse up; Outer claw (10) bottom inside has the flange (16) spliced mutually with interior claw (13) flange in the bottom (15), and described flange (16) has the bolt hole corresponding with the bolt hole position of flange (15);
Described interior claw (13) is set in the middle of outer claw (10), flange (15) and flange (16) are stitched together fastening with bolt and nut, make outer claw (10) become as a whole with interior claw (13), interior claw (13) is corresponding with the position of three lobe claws of outer claw (10);
The head of described inner tubal wall expanded support clamping pull bar (3) is the back taper suitable with the back taper wedge shape inwall of interior claw (13), and middle part has motion thread, and rear portion shaft has square cross section and outer wall; Described inner tubal wall expanded support clamping pull bar (3) is inserted in the middle of three lobe claws of interior claw (13);
The inwall of described grab tensile sleeve (2) is the back taper suitable with three lobe claw outer walls of outer claw (10), and grab tensile sleeve (2) is anchored on outer claw (10) from the grab tensile sleeve mounting flange (17) on three lobe claws of outer claw (10) by described grab tensile sleeve lock-screw (12);
The stage casing motion thread of described inner tubal wall expanded support clamping pull bar (3) forms screw pair with the center driving screwed hole (18) of the rotatable clamping gear (4) being fixedly mounted on grab tensile sleeve (2) rear portion, clamp gear (4) can drive by the transmission mechanism of the smart bench in outside;
Described clamping gear (4) is installed between grab tensile sleeve (2) rear portion and described clamping gear rear support and lock bracket (6) by clamping;
Described a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence has circumferential position locking device and the rotary anti-abrasion device of clamping gear (4);
Described a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence has the anti-rotation device of inner tubal wall expanded support clamping pull bar (3).
2. a kind of blank aluminium-alloy pipe end clamping device for finish draw plumber sequence according to claim 1, is characterized in that:
The circumferential position locking device of described clamping gear (4) includes circle clamping gear position lock hole (11) on described clamping gear (4), the circle that the relevant position, rear portion of grab tensile sleeve (2) also has clamps gear position screw lock hole (11), the screw hole (8) of the circle lock screw that clamping gear rear support and the upper relevant position of lock bracket (6) also have, and one of the screw hole (8) passing above-mentioned all clamping gear position screws lock hole (11) and lock screw clamps gear position lock screw (5),
The rotary anti-abrasion device of described clamping gear (4) comprises the annular anti-attrition ball orbit (7) of the indent that grab tensile sleeve (2) rear portion all has with the relevant position clamping gear rear support and lock bracket (6) installation clamping gear (4), the anti-attrition ball (9) of whole circle is filled with, described clamping gear rear support and the fastening rear portion being installed on grab tensile sleeve (2) of lock bracket (6) in the middle of described annular anti-attrition ball orbit (7); The positive and negative both ends of the surface of described clamping gear (4) all also have corresponding interior hollow toroid anti-attrition ball orbit (7);
The anti-rotation device of inner tubal wall expanded support clamping pull bar (3) is clamp in gear rear support and lock bracket (6) to have the anti-rotation square hole (14) clamping the square outer wall adaptation that pull bar (3) rear portion has with inner tubal wall expanded support; The rear portion of described inner tubal wall expanded support clamping pull bar (3) is inserted in the middle of described anti-rotation square hole (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395492.9U CN204842494U (en) | 2015-06-06 | 2015-06-06 | A blank aluminum alloy tube tip clamping device for finish draw plumber preface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520395492.9U CN204842494U (en) | 2015-06-06 | 2015-06-06 | A blank aluminum alloy tube tip clamping device for finish draw plumber preface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204842494U true CN204842494U (en) | 2015-12-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520395492.9U Expired - Fee Related CN204842494U (en) | 2015-06-06 | 2015-06-06 | A blank aluminum alloy tube tip clamping device for finish draw plumber preface |
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| Country | Link |
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| CN (1) | CN204842494U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105537833A (en) * | 2016-01-20 | 2016-05-04 | 杭州凯龙医疗器械有限公司 | Dental X-ray tube cathode assembly assembling device |
| CN105665458A (en) * | 2015-12-18 | 2016-06-15 | 浙江恩华新材料科技有限公司 | Pipe clamp |
| CN109226328A (en) * | 2018-11-23 | 2019-01-18 | 绍兴上虞正达管业有限公司 | A kind of red copper hose processing technology |
| CN114290106A (en) * | 2022-02-17 | 2022-04-08 | 付亚辉 | Stabilizing clamp for numerical control machine tool |
-
2015
- 2015-06-06 CN CN201520395492.9U patent/CN204842494U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665458A (en) * | 2015-12-18 | 2016-06-15 | 浙江恩华新材料科技有限公司 | Pipe clamp |
| CN107252828A (en) * | 2015-12-18 | 2017-10-17 | 祝定华 | A kind of pipe material clamp |
| CN107252828B (en) * | 2015-12-18 | 2019-03-15 | 河北鹏源塑胶制品有限公司 | A kind of pipe material clamp |
| CN105537833A (en) * | 2016-01-20 | 2016-05-04 | 杭州凯龙医疗器械有限公司 | Dental X-ray tube cathode assembly assembling device |
| CN105537833B (en) * | 2016-01-20 | 2017-08-15 | 杭州凯龙医疗器械有限公司 | X-ray tube dentistry tube cathode assembly mounting device |
| CN109226328A (en) * | 2018-11-23 | 2019-01-18 | 绍兴上虞正达管业有限公司 | A kind of red copper hose processing technology |
| CN114290106A (en) * | 2022-02-17 | 2022-04-08 | 付亚辉 | Stabilizing clamp for numerical control machine tool |
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| 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: 20151209 Termination date: 20170606 |
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| CF01 | Termination of patent right due to non-payment of annual fee |