CN105798346A - Round bar clamping device - Google Patents
Round bar clamping device Download PDFInfo
- Publication number
- CN105798346A CN105798346A CN201610294208.8A CN201610294208A CN105798346A CN 105798346 A CN105798346 A CN 105798346A CN 201610294208 A CN201610294208 A CN 201610294208A CN 105798346 A CN105798346 A CN 105798346A
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- CN
- China
- Prior art keywords
- claw
- ringfeder
- hole
- clamping device
- groove
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 210000000078 claw Anatomy 0.000 claims abstract description 62
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 238000003754 machining Methods 0.000 description 8
- 230000007246 mechanism Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/42—Expansion mandrels characterised by features relating primarily to remote control of the gripping means
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a round bar clamping device. The round bar clamping device comprises a pull rod and a body. A conical sleeve with the taper of the inner conical face being beta is arranged in the right end of the body; an expanding sleeve is arranged in the conical sleeve; the right end of the expanding sleeve is in a conical shape with the taper of the outer conical face being gamma; three evenly-distributed first grooves are formed in the circumferential direction of the expanding sleeve; clamping claws with the taper of the outer conical face being alpha are arranged in the first grooves, wherein alpha=beta=gamma; the faces, making contact with a round bar, of the clamping claws are inner arc faces with the radius equal to the clamped diameter of the round bar; the width of the first grooves is equal to that of the clamping claws; the length of the first grooves is equal to that of the clamping claws; second grooves corresponding to the first grooves are formed in the body; the width of the second grooves is larger than that of the clamping claws; the pull rod penetrates into the body and is connected with the left end of the expanding sleeve; and the body is further provided with a limiting device for axial limiting of the round bar. The round bar clamping device is novel in structure and convenient to operate and move; and linear displacement of a hydraulic cylinder is converted into radial displacement of a clamping part, automatic loading and unloading of the round bar are achieved, and efficiency is improved.
Description
Technical field
The invention belongs to technological equipment field, particularly to a kind of circular bar clamping device.
Background technology
In machining work process, it is necessary to circular bar is carried out accurate clamping and positioning.In the prior art, scroll chuck, chuck, V-block mechanism etc. are generally used in clamping for circular bar, these mechanisms belong to machine tool accessories, and general and lathe supports the use, and these mechanism structure are complicated simultaneously, inconvenient operation, and can only radially position, it is easy to loosen, it is necessary to hand-operated clamping, manual workpiece loading and unloading, inefficiency.
Summary of the invention
Existing circular bar clamp system belongs to machine tool accessories, needs and lathe supports the use, and these mechanism structure are complicated simultaneously, and inconvenient operation can only radially position, it is easy to loosen, it is necessary to hand-operated clamping, manual workpiece loading and unloading, inefficiency.It is an object of the invention to, for above-mentioned the deficiencies in the prior art, it is provided that a kind of circular bar clamping device.
For solving above-mentioned technical problem, the technical solution adopted in the present invention is:
nullA kind of circular bar clamping device，Including pull bar and body，The taper sheath that inner conical surface tapering is β it is provided with inside the right-hand member of described body，The inside of taper sheath is provided with ringfeder，The right-hand member of this ringfeder is male cone (strobilus masculinus) tapering is the taper of γ，The circumference of ringfeder has three the first uniform grooves，The claw that male cone (strobilus masculinus) tapering is α it is provided with in described first groove，Wherein α=β=γ，The face that described claw contacts with circular bar is the intrados that radius is equal to the held diameter of circular bar，The width a1 of the first groove is equal to the width a of claw，The length b1 of the first groove is equal to the length b of claw，Described body interior has second groove corresponding with the first groove，The width b2 of the second groove is more than the width a of claw，Described pull bar penetrates body and is connected with the left end of ringfeder，Described body is additionally provided with the stopping means to circular bar axial limiting.
By said structure, mobile pull bar, pull bar is made to drive tension ringfeder, ringfeder drives the claw of the first groove being positioned at ringfeder to move, make claw and taper sheath relative movement, the male cone (strobilus masculinus) of claw and the inner conical surface of taper sheath in axially opposing movement, so that claw moves in the direction radially towards reduced radius, all claws move thus clamping circular bar simultaneously, it is achieved that radially location and clamping；Stopping means and circular bar end contact achieve axial location simultaneously.After clamping workpiece, such that it is able to circular bar is carried out corresponding machining.After machining is complete, pushing drawing rod drives ringfeder to move round about, and ringfeder drives claw to separate with taper sheath, and claw moves in the direction increased radially towards radius, thus unloading circular bar.
As a kind of optimal way, described stopping means includes location bar and is set in the positioning sleeve outside the bar of location, described ringfeder has mounting hole, described body has the first hole, described location bar and positioning sleeve are positioned at the first hole and through mounting hole, and the right flank of described positioning sleeve is location end face.
Circular bar is pushed body and holds out against location end face, it is achieved the axial location of circular bar.
Further, the two ends of described first groove have cannelure, are provided with turn in this cannelure, and the two ends of described claw have the breach blocking turn.
During clamping workpiece, claw moves radially, jaws clamp, and diameter reduces, and turn follows claw to shrink, and stores energy；When loosening workpiece, turn releases energy, by claw top to origin-location.
Further, described intrados has the 3rd groove that cross section is triangle.
During claw clamping circular bar, the design of the 3rd groove makes claw can contact circular bar surface well.
Further, when the male cone (strobilus masculinus) of described claw and the inner conical surface of taper sheath are fitted, the distance between right side and the right side of taper sheath of claw is X1, and the distance between right side and the right side of taper sheath of ringfeder is X2, wherein 3mm≤X1≤8mm, 5mm≤X2≤10mm.
Restriction 3mm≤X1≤8mm is to make the displacement of pull bar be unlikely to excessive, and restriction 5mm≤X2≤10mm is to ensure that when the circular bar clamped carries out machining without impinging on holder part.
Further, described body also having second hole vertical with the first hole, described ringfeder has threeth hole vertical with mounting hole, the 3rd hole is coaxial with the second hole.
Second hole, as the mounting-positioning holes of whole circular bar clamping device, is used for making whole clamping device be arranged on relevant device, whole device is positioned；3rd hole is as the circumferentially positioned hole of ringfeder.
Further, also including hydraulic cylinder, the left end of described pull bar is connected with the piston rod of hydraulic cylinder.
By said structure, clamping power is provided by hydraulic cylinder, and corresponding hydraulic system supports the use；The rectilinear motion of HYDRAULIC CONTROL SYSTEM piston rod and pressurize position, thus realizing clamping and the pine state of circular bar clamping device.
As a kind of optimal way, also including intrinsic fairlead, described pull bar is also connected with the left end of ringfeder through fairlead, described pull bar and fairlead matched in clearance.
The invention have the advantages that
First, present configuration is novel, the appropriate design of each design of part size, and the application of the ingenious reset function of spring so that this apparatus structure is achieved；Easy to operate, it is simple to mobile；The ingenious radial displacement that the straight-line displacement of hydraulic cylinder changes into hold assembly, by the inner conical surface of the male cone (strobilus masculinus) of claw and taper sheath in axially opposing movement, drives claw to move, and clamps held circular bar.
Second, present hydraulic system matches use, and HYDRAULIC CONTROL SYSTEM hydraulic cylinder moves loading, pressurize, three station state of unloading, thus realizing the clamping of circular bar, machining operation, unclamping three states, it is achieved thereby that circular bar freight handling automatization, improve efficiency.
3rd, the present invention is the actuator that circular bar clamps equipment automatically, it is possible to support the use with relevant device, and circular bar is carried out machining operation process.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the invention.
Fig. 2 is the structural representation of claw in Fig. 1.
Fig. 3 is the front view of Fig. 2.
Fig. 4 is the left view of Fig. 2.
Fig. 5 is the front view of ringfeder in Fig. 1.
Fig. 6 is the top view of Fig. 5.
Fig. 7 is the front view of body in Fig. 1.
Fig. 8 is the A-A sectional view of Fig. 7.
Fig. 9 is the front view of positioning sleeve in Fig. 1.
Figure 10 is the right view of Fig. 9.
Figure 11 is the front view of taper sheath in Fig. 1.
Figure 12 is the right view of turn in Fig. 1.
Wherein, 1 is pull bar, and 2 is body, 3 is fairlead, and 4 is ringfeder, and 5 is positioning sleeve, 6 is location bar, and 7 is nut, and 8 is pad, 9 is taper sheath, and 10 is claw, and 11 is turn, 12 is circular bar, and 13 is hydraulic cylinder, and 14 is piston rod, 15 is the 5th hole, and 16 is breach, and 17 is location end face, 18 is the 3rd groove, and 19 is intrados, and 20 is the first screwed hole, 21 is mounting hole, and 22 is the 3rd hole, and 23 is cannelure, 24 is the first groove, and 25 is the second screwed hole, and 26 is the first hole, 27 is the second hole, and 28 is the 4th hole, and 29 is the second groove.
Detailed description of the invention
As shown in Figures 1 to 12, one embodiment of the invention includes a kind of circular bar 12 clamping device, including pull bar 1 and body 2, is provided with the taper sheath 9 that inner conical surface tapering is β inside the right-hand member of described body 2, body 2 right-hand member offers the 4th hole 28, the periphery interference fit of the 4th hole 28 and taper sheath 9.The inside of taper sheath 9 is provided with ringfeder 4, and the right-hand member of this ringfeder 4 is male cone (strobilus masculinus) tapering is the taper of γ, and the circumference of ringfeder 4 has three the first uniform grooves 24, is provided with the claw 10 that male cone (strobilus masculinus) tapering is α, wherein 25 °≤α=β=γ≤35 ° in described first groove 24；The face that described claw 10 contacts with circular bar 12 is the intrados 19 that radius is equal to the held diameter of circular bar 12, the width a1 of the first groove 24 is equal to the width a of claw 10, the length b1 of the first groove 24 is equal to the length b of claw 10, and activity is freely in the first groove 24 to ensure claw 10 after assembling；Described body 2 is internal has second groove 29 corresponding with the first groove 24, and the width b2 2mm bigger than the width a of claw 10 of the second groove 29, the degree of depth of the second groove 29 should make claw 10 not interfere when moving, and namely claw 10 is when body 2 inner chamber moves, without impinging on body 2 inner chamber.The left end of ringfeder 4 has the first screwed hole 20, and described pull bar 1 penetrates body 2 the first screwed hole 20 bolt with ringfeder 4 left end, and described body 2 is additionally provided with the stopping means to circular bar 12 axial limiting.The front and back sides of described claw 10 to have good symmetry requirement, in order to makes claw 10 central plane and ringfeder 4 central plane coincide after assembling.Also including hydraulic cylinder 13, the left end of described pull bar 1 is connected with the piston rod 14 of hydraulic cylinder 13.Described hydraulic cylinder 13 move axially distance for L, claw 10 radial contraction δ=L × tan α.
Described stopping means includes location bar 6 and is set in the positioning sleeve 5 outside the bar 6 of location, described positioning sleeve 5 axially has the 5th hole 15,5th hole 15 and location bar 6 interference fit after assembling, described ringfeder 4 has mounting hole 21, described body 2 has the first hole 26, first hole 26 is stepped hole, for installing nut 7 and the pad 8 of location bar 6, positioning sleeve 5 and stationary positioned bar 6；Described location bar 6 and positioning sleeve 5 are positioned at the first hole 26 and through mounting hole 21, and the right flank of described positioning sleeve 5 is location end face 17.It is perpendicular to the axis direction of pull bar 1 after end face 17 assembling of location, circular bar 12 is axially positioned；Positioning sleeve about 5 is milled with two symmetrical planes.The design of mounting hole 21 can avoid the position of location bar 6 and positioning sleeve 5, ensures that when ringfeder 4 moves, discord location bar 6 and positioning sleeve 5 are interfered after assembling.
The two ends of described first groove 24 have cannelure 23, and the slot cross-section of cannelure 23 is arc, and the arc radius of this arc is slightly larger than the diameter of turn 11 cross section；Being provided with turn 11 in this cannelure 23, the two ends of described claw 10 are respectively milled with the breach 16 blocking turn 11.Height c >=L × tan α of breach 16, so when claw 10 clamps circular bar 12 periphery, turn 11 will not be deviate from inside cannelure 23.
Claw 10 is acted the effect replying position by described turn 11, and free state external diameter R1 withstands claw 10, makes the male cone (strobilus masculinus) of claw 10 contact with the inner conical surface of taper sheath 9；When circular bar 12 is clamped, the inner ring R2 of turn 11 is more than the outside diameter 3～5mm of circular bar 12；It is θ that turn 11 is removed portion centers angle, 100 °≤θ≤120 °.
Described intrados 19 has the 3rd groove 18 that two cross sections are triangle.
When the male cone (strobilus masculinus) of described claw 10 and the inner conical surface of taper sheath 9 are fitted, distance between right side and the right side of taper sheath 9 of claw 10 is X1, distance between right side and the right side of taper sheath 9 of ringfeder 4 is X2, wherein 3mm≤X1≤8mm, 5mm≤X2≤10mm.
Also having second hole 27 vertical with the first hole 26 on described body 2, described ringfeder 4 has threeth hole 22 vertical with mounting hole 21, the 3rd hole 22 is coaxial with the second hole 27.
Second hole 27, as the mounting-positioning holes of whole circular bar 12 clamping device, is used for making whole clamping device be arranged on relevant device, whole device is positioned；3rd hole 22 is as the circumferentially positioned hole of ringfeder 4.
Also including the fairlead 3 in body 2, described body 2 left end offers the second screwed hole 25, and the second screwed hole 25 and fairlead 3 coordinate to be installed；Described pull bar 1 is connected through fairlead 3 left end with ringfeder 4, described pull bar 1 and fairlead 3 matched in clearance.
The present invention and hydraulic system supply power to hydraulic cylinder 13 with the use of, hydraulic system, and control position and the dwell time of hydraulic cylinder 13 in certain sequence, control apparatus of the present invention clamping circular bar 12 and also keep certain time, then loosen workpiece to fall workpiece.
Described hydraulic cylinder 13 has loading movement, pressurize locking, three stations of unloading,
When hydraulic cylinder 13 loads mobile, piston rod 14 drives pull bar 1 to move, pull bar 1 is made to drive tension ringfeder 4, ringfeder 4 drives the claw 10 of the first groove 24 being positioned at ringfeder 4 to move, make claw 10 and taper sheath 9 relative movement, the male cone (strobilus masculinus) of claw 10 and the inner conical surface of taper sheath 9 in axially opposing movement, so that claw 10 moves in the direction radially towards reduced radius, three claws 10 move thus clamping circular bar 12 simultaneously, it is achieved that radially location and clamping；Simultaneously the location end face 17 of positioning sleeve 5 and circular bar 12 end contact achieve axial location.After clamping workpiece, hydraulic cylinder 13 pressurize locking certain time so that circular bar 12 continues to clamp, such that it is able to circular bar 12 is carried out corresponding machining.After machining is complete, hydraulic cylinder 13 unloads, reply origin-location, piston rod 14 pushing drawing rod 1 drives ringfeder 4 to move round about, ringfeder 4 drives claw 10 and taper sheath 9 to separate, claw 10, under the restoring force effect of turn 11, moves in the direction increased radially towards radius, thus unloading circular bar 12.The clamping of whole process has only to circular bar 12 pushes body 2 and holds out against location end face 17, then operation hydraulic control switch.
Claims (8)
- null1. a circular bar clamping device，It is characterized in that，Including pull bar (1) and body (2)，The taper sheath (9) that inner conical surface tapering is β it is provided with inside the right-hand member of described body (2)，The inside of taper sheath (9) is provided with ringfeder (4)，The right-hand member of this ringfeder (4) is male cone (strobilus masculinus) tapering is the taper of γ，The circumference of ringfeder (4) has three uniform the first grooves (24)，The claw (10) that male cone (strobilus masculinus) tapering is α it is provided with in described first groove (24)，Wherein α=β=γ，The face that described claw (10) contacts with circular bar (12) is the intrados (19) that radius is equal to circular bar (12) held diameter，The width a1 of the first groove (24) is equal to the width a of claw (10)，The length b1 of the first groove (24) is equal to the length b of claw (10)，Described body (2) is internal has second groove (29) corresponding with the first groove (24)，The width b2 of the second groove (29) is more than the width a of claw (10)，Described pull bar (1) penetrates body (2) and the left end with ringfeder (4) is connected，Described body (2) is additionally provided with the stopping means to circular bar (12) axial limiting.
- 2. circular bar clamping device as claimed in claim 1, it is characterized in that, described stopping means includes location bar (6) and is set in location bar (6) positioning sleeve (5) outward, described ringfeder (4) has mounting hole (21), described body (2) has the first hole (26), described location bar (6) and positioning sleeve (5) are positioned at the first hole (26) and through mounting hole (21), and the right flank of described positioning sleeve (5) is location end face (17).
- 3. circular bar clamping device as claimed in claim 1, it is characterized in that, the two ends of described first groove (24) have cannelure (23), are provided with turn (11) in this cannelure (23), and the two ends of described claw (10) have the breach (16) blocking turn (11).
- 4. circular bar clamping device as claimed in claim 1, it is characterised in that have the 3rd groove (18) that cross section is triangle on described intrados (19).
- 5. circular bar clamping device as claimed in claim 1, it is characterized in that, when the male cone (strobilus masculinus) of described claw (10) and the inner conical surface of taper sheath (9) are fitted, distance between right side and the right side of taper sheath (9) of claw (10) is X1, distance between right side and the right side of taper sheath (9) of ringfeder (4) is X2, wherein 3mm≤X1≤8mm, 5mm≤X2≤10mm.
- 6. circular bar clamping device as claimed in claim 1, it is characterized in that, described body (2) also has second hole (27) vertical with the first hole (26), having threeth hole (22) vertical with mounting hole (21) on described ringfeder (4), the 3rd hole (22) is coaxial with the second hole (27).
- 7. the circular bar clamping device as described in 6 any one of claim 1, it is characterised in that also including hydraulic cylinder (13), the left end of described pull bar (1) is connected with the piston rod (14) of hydraulic cylinder (13).
- 8. the circular bar clamping device as described in 6 any one of claim 1, it is characterized in that, also including the fairlead (3) in body (2), described pull bar (1) is connected through fairlead (3) the left end with ringfeder (4), described pull bar (1) and fairlead (3) matched in clearance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294208.8A CN105798346B (en) | 2016-05-03 | 2016-05-03 | A kind of circular bar clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610294208.8A CN105798346B (en) | 2016-05-03 | 2016-05-03 | A kind of circular bar clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105798346A true CN105798346A (en) | 2016-07-27 |
| CN105798346B CN105798346B (en) | 2018-07-27 |
Family
ID=56456437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610294208.8A Active CN105798346B (en) | 2016-05-03 | 2016-05-03 | A kind of circular bar clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105798346B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116384A (en) * | 2017-06-07 | 2017-09-01 | 王燕飞 | A kind of processing unit (plant) of the deficient groove of workpiece spindle |
| CN110076519A (en) * | 2019-06-10 | 2019-08-02 | 无锡化工装备股份有限公司 | A kind of tube with high flux surface cannelure processing unit (plant) |
| CN113386599A (en) * | 2021-07-12 | 2021-09-14 | 浙江吉利控股集团有限公司 | Charging cable fastening device for charging pile and charging pile |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006035357A (en) * | 2004-07-26 | 2006-02-09 | Kyoei Seiko:Kk | Chuck mechanism and lathe apparatus equipped with the chuck mechanism |
| CN103785871A (en) * | 2014-02-17 | 2014-05-14 | 广州中国科学院先进技术研究所 | Automatic bar clamping device |
| CN204262778U (en) * | 2014-11-07 | 2015-04-15 | 綦江县飞达重型汽车齿轮厂 | Shaft forgings clamping device |
| CN104619445A (en) * | 2012-08-17 | 2015-05-13 | 长野自动机械株式会社 | Processing device provided with collet chuck |
| CN204718735U (en) * | 2015-06-29 | 2015-10-21 | 盛瑞传动股份有限公司 | Expansion sleeve type dynamic balance jig |
| CN205551511U (en) * | 2016-05-03 | 2016-09-07 | 江南工业集团有限公司 | Circular bar stock clamping device |
-
2016
- 2016-05-03 CN CN201610294208.8A patent/CN105798346B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006035357A (en) * | 2004-07-26 | 2006-02-09 | Kyoei Seiko:Kk | Chuck mechanism and lathe apparatus equipped with the chuck mechanism |
| CN104619445A (en) * | 2012-08-17 | 2015-05-13 | 长野自动机械株式会社 | Processing device provided with collet chuck |
| CN103785871A (en) * | 2014-02-17 | 2014-05-14 | 广州中国科学院先进技术研究所 | Automatic bar clamping device |
| CN204262778U (en) * | 2014-11-07 | 2015-04-15 | 綦江县飞达重型汽车齿轮厂 | Shaft forgings clamping device |
| CN204718735U (en) * | 2015-06-29 | 2015-10-21 | 盛瑞传动股份有限公司 | Expansion sleeve type dynamic balance jig |
| CN205551511U (en) * | 2016-05-03 | 2016-09-07 | 江南工业集团有限公司 | Circular bar stock clamping device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107116384A (en) * | 2017-06-07 | 2017-09-01 | 王燕飞 | A kind of processing unit (plant) of the deficient groove of workpiece spindle |
| CN110076519A (en) * | 2019-06-10 | 2019-08-02 | 无锡化工装备股份有限公司 | A kind of tube with high flux surface cannelure processing unit (plant) |
| CN113386599A (en) * | 2021-07-12 | 2021-09-14 | 浙江吉利控股集团有限公司 | Charging cable fastening device for charging pile and charging pile |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105798346B (en) | 2018-07-27 |
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