CN110216499A - A kind of three-jaw inner support clamp component - Google Patents
A kind of three-jaw inner support clamp component Download PDFInfo
- Publication number
- CN110216499A CN110216499A CN201910339293.9A CN201910339293A CN110216499A CN 110216499 A CN110216499 A CN 110216499A CN 201910339293 A CN201910339293 A CN 201910339293A CN 110216499 A CN110216499 A CN 110216499A
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- Prior art keywords
- lead screw
- bevel gear
- screw
- support frame
- bearing
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- 210000003746 feather Anatomy 0.000 claims abstract description 4
- 241000316770 Deschampsia cespitosa var. alpina Species 0.000 claims description 5
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- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of three-jaw inner support clamp component, including support frame, small bevel gear wheel shaft, large bevel gear, the first lead screw, the second lead screw, feed screw nut, link block, disc springs.The side of support frame is equipped with the fixing seat of a middle opening, small bevel gear wheel shaft is engaged transmission with the large bevel gear for being located at support frame center, large bevel gear is connect by the first screw with screw nut driven, first lead screw is fixedly connected with the second lead screw and is combined into mandril lead screw, guide holder is located at the top of bearing block, and the keyway cooperation limitation mandril lead screw rotation for passing through the feather key and the second lead screw surface inside guide holder.The present invention cooperates the power for rotating small bevel gear wheel shaft to drive large bevel gear rotation by small bevel gear wheel shaft and large bevel gear, the feed screw nut connecting with large bevel gear drives the oscilaltion of mandril lead screw to which related sliding block moves in the horizontal direction simultaneously, and further converting horizontal force for axial force realizes the effect of workpiece pressing.
Description
Technical field
The present invention relates to mechanical frock fields, and in particular to a kind of three-jaw inner support clamp component.
Background technique
Leadscrew-nut mechanism is also known as screw-drive mechanism, and the rotary motion of nut can be transformed to the straight line fortune of lead screw by it
It is dynamic, for transmitting axial force.If in a small enclosure space, and surrounding has object, the space of rotating nut will
It is restricted, cannot realize the function of transmitting axial force.In Chinese invention patent spiral bevel gear ball screw type elevator
(CN2016200417349) a kind of spiral bevel gear ball screw elevator, including cabinet are disclosed in, on cabinet rotationally
Power input shaft is installed, the first end of power input shaft stretches out the outside of cabinet, and the second end of power input shaft is located at cabinet
It is interior；Second end is fixedly connected with spiral bevel gear；The ball-screw with spiral bevel gear cooperation is rotatably mounted in cabinet
Nut；The ball-screw with ball-screw nut cooperation is rotatably mounted in cabinet.But in the device ball-screw from
Lock ability is poor, cannot carry heavy load.
Summary of the invention
In view of the above-mentioned problems, being increased using trapezoidal screw self-locking the present invention provides a kind of three-jaw inner support clamp component
Function and by lead screw oscilaltion band movable slider horizontal motion, so that converting horizontal force for axial force realizes pressure
The effect of clamping of workpieces.
Function of the invention is achieved through the following technical solutions:
A kind of three-jaw inner support clamp component, including support frame, small bevel gear wheel shaft, large bevel gear, the first lead screw, the second lead screw, silk
Thick stick nut, link block, disc spring.The side of support frame as described above is equipped with the fixing seat of a middle opening, passes through the fixing seat, support
Frame is rotatablely connected small bevel gear wheel shaft；The small bevel gear wheel shaft is engaged transmission, institute with the large bevel gear for being located at support frame center
Large bevel gear is stated to connect by the first screw with screw nut driven；The bottom of first lead screw pass through feed screw nut and with silk
The connection of thick stick nut thread, the feed screw nut may be rotatably mounted at the base center of support frame；First lead screw and second
Lead screw, which is fixedly connected, is combined into mandril lead screw, and the attachment base includes bearing block, first bearing, second bearing, guide holder；Wherein
The first bearing and second bearing are installed on the inside of bearing block from bottom to top, and the guide holder is located at the top of bearing block,
And the keyway cooperation limitation mandril lead screw rotation for passing through the feather key and the second lead screw surface inside guide holder；The link block
It is fixed on the middle part of the second lead screw and the sliding block at the top of support frame is located at by connecting rod connection, the sliding block is at the top of support frame
It is slid back and forth on bottom plate and hassock plate is fixedly connected with by the second screw on the outside of sliding block；It is successively arranged from bottom to top inside the disc spring
It arranges several springs and is connected by spring supporting washer and link block top, the top of second lead screw is threaded with first
Nut.
Further, the mandril lead screw is trapezoidal screw.
Further, the feed screw nut is installed on the bottom of support frame by nut support seat.
Further, the first bearing is double-row angular contact bal bearing, and second bearing is cylindrical roller thrust bearing.
Further, spring protecting sleeve is equipped with outside the disc spring, the spring protecting sleeve inner tip setting check ring will
The top cover of spring and spring protecting sleeve separates.
Further, several springs are by set pipe sleeve on the second lead screw.
Further, the attachment base is fixed on the top inside support frame by third screw.
Further, the quantity of the sliding block is three and each sliding block is connect by two connecting rods with link block.
Further, the connecting rod is hinged with link block and sliding block respectively by pin shaft.
Further, the bottom plate two sides are equipped with side plate.
Beneficial effects of the present invention:
1, the power for rotating small bevel gear wheel shaft is cooperated to drive large bevel gear rotation by small bevel gear wheel shaft and large bevel gear, thus
It drives feed screw nut and the rotation of mandril lead screw is limited by guide holder, therefore mandril lead screw only axially moves.
2, there is self-locking function using trapezoidal screw, guarantee pressing force.
3, lead screw axial movement band movable slider horizontal direction is mobile convenient for blocking inner support workpiece, realizes and stablizes workpiece pressing.
Detailed description of the invention
Fig. 1 is schematic diagram of the three-dimensional structure；
Fig. 2 is structure of the invention cross-sectional view；
Fig. 3 is attachment base partial structure sectional view；
1, support frame, 2, small bevel gear wheel shaft, 3, large bevel gear, the 4, first lead screw, the 5, second lead screw, 6, feed screw nut, 7, connection
Block, 8, disc spring, 9, fixing seat, the 10, first screw, 11, attachment base, 12, bearing block, 13, first bearing, 14, second bearing,
15, guide holder, 16, connecting rod, 17, sliding block, the 18, second screw, 19, hassock plate, 20, spring, 21, spring supporting washer, 22,
One nut, 23, nut support seat, 24, spring protecting sleeve, 25, check ring, 26, third screw, 27, pin shaft, 28, side plate.
Specific embodiment
To further illustrate the present invention, 1-2 is explained with reference to the accompanying drawing:
A kind of three-jaw inner support clamp component, including support frame 1, small bevel gear wheel shaft 2, large bevel gear 3, the first lead screw 4, the second lead screw
5, feed screw nut 6, link block 7, disc spring 8.The side of support frame 1 is equipped with the fixing seat 9 of a middle opening, passes through fixing seat 9, branch
Support 1 is rotatablely connected small bevel gear wheel shaft 2, and small bevel gear wheel shaft 2 is engaged transmission with the large bevel gear 3 for being located at 1 center of support frame,
Large bevel gear 3 is sequentially connected by the first screw 10 with feed screw nut 6.
The bottom of first lead screw 4 passes through feed screw nut 6 and is threadedly coupled with feed screw nut 6, and feed screw nut 6 is rotatably mounted
At the base center of support frame 1.First lead screw 4 is fixedly connected with the second lead screw 5 and is combined into mandril lead screw, and attachment base 11 includes
Bearing block 12, first bearing 13, second bearing 14, guide holder 15.Wherein first bearing 13 is pacified from bottom to top with second bearing 14
Inside loaded on bearing block 12, guide holder 15 are located at the top of bearing block 12, and by feather key inside guide holder 15 and
The keyway cooperation limitation mandril lead screw rotation on 5 surface of the second lead screw.
Small bevel gear wheel shaft 2 is rotated using long spanner when use, thus the position that large bevel gear 3 is contacted with small bevel gear wheel shaft 2
Cross force is generated to drive large bevel gear 3 to rotate, the feed screw nut 6 connecting with large bevel gear 3, which is driven, to be started to rotate.First
Lead screw 4 is threadedly coupled with feed screw nut 6 allows feed screw nut 6 to drive the rotation of the first lead screw 4 when rotating but guide holder 15
The rotation of the second lead screw 5 is limited to which mandril lead screw can only be axially moved.
Link block 7 is fixed on the middle part of the second lead screw 5 and is located at the sliding block 17 at 1 top of support frame by the connection of connecting rod 16,
Sliding block 17 slides back and forth on the bottom plate at 1 top of support frame and is fixedly connected with hassock plate by the second screw 18 on the outside of sliding block 17
19.Several springs 20 are arranged successively inside disc spring 8 from bottom to top and are passed through and are connected at the top of spring supporting washer 21 and link block 7,
The top of second lead screw 5 is threaded with the first nut 22.
It is inwardly moved by connecting rod 16 with movable slider 17 when second lead screw 5 rises, so that inner support workpiece is inserted in fixture clamping
In range.It is moved out by connecting rod 16 with movable slider 17 when second lead screw 5 declines, thus what inner support workpiece was connected by sliding block 17
The clamping of hassock plate.
Mandril lead screw is trapezoidal screw in the present embodiment, can when the lead angle of trapezoidal screw is less than equivalent friction angle
It, cannot be self-locking with self-locking, and when the lead angle of trapezoidal screw is greater than or equal to equivalent friction angle.
Feed screw nut 6 is installed on the bottom of support frame 1 by nut support seat 23 in the present embodiment.
First bearing 13 is double-row angular contact bal bearing in the present embodiment, and second bearing 14 is cylindrical roller thrust bearing.
Double-row angular contact bal bearing can bear radial load and act on the axial load of both direction, it can limit axis or shell is double
It is displaced in the axial direction, and cylindrical roller thrust bearing is able to bear heavy load and oscillating load.
Spring protecting sleeve 24 is equipped in the present embodiment outside disc spring 8, check ring 25 is arranged in 24 inner tip of spring protecting sleeve will
The top cover of spring 20 and spring protecting sleeve 24 separates.
Several springs 20 prevent spring 20 and the second lead screw 4 from generating through set pipe sleeve on the second lead screw 4 in the present embodiment
Frictional influence service life and precision.
Attachment base 11 is fixed on the top inside support frame 1 by third screw 26 in the present embodiment.
The quantity of sliding block 17 is three in the present embodiment and each sliding block 17 is connect by two connecting rods 16 with link block 7,
Realize that 3 points of clampings improve stability.
Connecting rod is hinged with link block 7 and sliding block 17 respectively by pin shaft 27 in the present embodiment.
The present embodiment insole board two sides are equipped with side plate 28, and limitation sliding block 17 is detached from bottom plate.
In addition, the spring 20 in disc spring 8 can carry out various combinations, changes the size of axial compressive force, be directed to convenient for fixture
Different product adjusts pressing force.
Claims (10)
1. a kind of three-jaw inner support clamp component, including support frame, small bevel gear wheel shaft, large bevel gear, the first lead screw, the second lead screw,
Feed screw nut, link block, disc spring, it is characterised in that: the side of support frame as described above is equipped with the fixing seat of a middle opening, passes through institute
Fixing seat is stated, support frame is rotatablely connected small bevel gear wheel shaft；The small bevel gear wheel shaft and the gamp tooth for being located at support frame center
Wheel occlusion transmission, the large bevel gear are connect by the first screw with screw nut driven；The bottom of first lead screw passes through
It feed screw nut and is threadedly coupled with feed screw nut, the feed screw nut may be rotatably mounted at the base center of support frame；It is described
First lead screw is fixedly connected with the second lead screw is combined into mandril lead screw, and the attachment base includes bearing block, first bearing, the second axis
It holds, guide holder；Wherein the first bearing and second bearing are installed on the inside of bearing block from bottom to top, and the guide holder is located at
The top of bearing block, and turned by the keyway cooperation limitation mandril lead screw of the feather key and the second lead screw surface inside guide holder
It is dynamic；The link block is fixed on the middle part of the second lead screw and is located at the sliding block at the top of support frame, the sliding block by connecting rod connection
It is slid back and forth on the bottom plate at the top of support frame and hassock plate is fixedly connected with by the second screw on the outside of sliding block；Inside the disc spring
It is arranged successively several springs from bottom to top and is connected by spring supporting washer and link block top, the top of second lead screw
It is threaded with the first nut.
2. three-jaw inner support clamp component as described in claim 1, it is characterised in that: the mandril lead screw is trapezoidal screw.
3. three-jaw inner support clamp component as described in claim 1, it is characterised in that: the feed screw nut passes through nut support seat
It is installed on the bottom of support frame.
4. three-jaw inner support clamp component as described in claim 1, it is characterised in that: the first bearing is double row angular contact ball
Bearing, second bearing are cylindrical roller thrust bearing.
5. three-jaw inner support clamp component as described in claim 1, it is characterised in that: spring protecting sleeve is equipped with outside the disc spring,
The spring protecting sleeve inner tip setting check ring separates the top cover of spring and spring protecting sleeve.
6. three-jaw inner support clamp component as described in claim 1, it is characterised in that: several springs are by set pipe sleeve the
On two lead screws.
7. three-jaw inner support clamp component as described in claim 1, it is characterised in that: the attachment base is fixed by third screw
Top inside support frame.
8. three-jaw inner support clamp component as described in claim 1, it is characterised in that: the quantity of the sliding block is for three and each
Sliding block is connect by two connecting rods with link block.
9. three-jaw inner support clamp component as claimed in claim 8, it is characterised in that: the connecting rod by pin shaft respectively with connection
Block and sliding block are hinged.
10. three-jaw inner support clamp component as described in claim 1, it is characterised in that: the bottom plate two sides are equipped with side plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339293.9A CN110216499A (en) | 2019-04-25 | 2019-04-25 | A kind of three-jaw inner support clamp component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910339293.9A CN110216499A (en) | 2019-04-25 | 2019-04-25 | A kind of three-jaw inner support clamp component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110216499A true CN110216499A (en) | 2019-09-10 |
Family
ID=67819846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910339293.9A Pending CN110216499A (en) | 2019-04-25 | 2019-04-25 | A kind of three-jaw inner support clamp component |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110216499A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469678A (en) * | 2019-09-17 | 2019-11-19 | 上海兰宝环保科技有限公司 | A kind of multi-sealed RTO switching valve |
| CN110469681A (en) * | 2019-09-17 | 2019-11-19 | 上海兰宝环保科技有限公司 | A kind of RTO leakproof switching valve |
| CN110509137A (en) * | 2019-09-17 | 2019-11-29 | 安徽国防科技职业学院 | A kind of polishing process of wheel rim pad automatically grinding lathe |
| CN111230710A (en) * | 2020-02-29 | 2020-06-05 | 李义飞 | Burnishing device is used in new forms of energy automobile wheel hub processing |
| CN111975558A (en) * | 2020-07-08 | 2020-11-24 | 大同新成新材料股份有限公司 | Polishing device for semiconductor graphite thermal field used component and polishing method thereof |
| CN112405038A (en) * | 2020-11-11 | 2021-02-26 | 安徽凯瑞汽配制造有限公司 | Clamping plate used in process of opening lead angle of bolt |
| CN113547405A (en) * | 2021-08-12 | 2021-10-26 | 江苏新界机械配件有限公司 | Quick removing device for external bulges after casting of water pump shell |
| CN113635100A (en) * | 2021-09-01 | 2021-11-12 | 绍兴上虞越加欣塑业有限公司 | Precision machining integrated clamp for injection mold |
| CN113752127A (en) * | 2021-07-27 | 2021-12-07 | 广德竹昌电子科技有限公司 | Positioning device and method for polishing inclined surface of notebook computer shell |
| CN115091273A (en) * | 2022-06-02 | 2022-09-23 | 宣城市君诚汽车零部件有限公司 | Surface treatment equipment is used in automobile parts production |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469678A (en) * | 2019-09-17 | 2019-11-19 | 上海兰宝环保科技有限公司 | A kind of multi-sealed RTO switching valve |
| CN110469681A (en) * | 2019-09-17 | 2019-11-19 | 上海兰宝环保科技有限公司 | A kind of RTO leakproof switching valve |
| CN110509137A (en) * | 2019-09-17 | 2019-11-29 | 安徽国防科技职业学院 | A kind of polishing process of wheel rim pad automatically grinding lathe |
| CN111230710A (en) * | 2020-02-29 | 2020-06-05 | 李义飞 | Burnishing device is used in new forms of energy automobile wheel hub processing |
| CN111230710B (en) * | 2020-02-29 | 2021-12-21 | 山东荣升重型机械股份有限公司 | Burnishing device is used in new forms of energy automobile wheel hub processing |
| CN111975558A (en) * | 2020-07-08 | 2020-11-24 | 大同新成新材料股份有限公司 | Polishing device for semiconductor graphite thermal field used component and polishing method thereof |
| CN112405038A (en) * | 2020-11-11 | 2021-02-26 | 安徽凯瑞汽配制造有限公司 | Clamping plate used in process of opening lead angle of bolt |
| CN113752127A (en) * | 2021-07-27 | 2021-12-07 | 广德竹昌电子科技有限公司 | Positioning device and method for polishing inclined surface of notebook computer shell |
| CN113547405A (en) * | 2021-08-12 | 2021-10-26 | 江苏新界机械配件有限公司 | Quick removing device for external bulges after casting of water pump shell |
| CN113635100A (en) * | 2021-09-01 | 2021-11-12 | 绍兴上虞越加欣塑业有限公司 | Precision machining integrated clamp for injection mold |
| CN113635100B (en) * | 2021-09-01 | 2022-07-22 | 绍兴上虞越加欣塑业有限公司 | Injection mold precision finishing integration anchor clamps |
| CN115091273A (en) * | 2022-06-02 | 2022-09-23 | 宣城市君诚汽车零部件有限公司 | Surface treatment equipment is used in automobile parts production |
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Application publication date: 20190910 |