CN205766108U - A kind of clamping and positioning device based on worm and gear - Google Patents
A kind of clamping and positioning device based on worm and gear Download PDFInfo
- Publication number
- CN205766108U CN205766108U CN201620220816.XU CN201620220816U CN205766108U CN 205766108 U CN205766108 U CN 205766108U CN 201620220816 U CN201620220816 U CN 201620220816U CN 205766108 U CN205766108 U CN 205766108U
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- worm
- gear
- clamping
- cam
- clamping limb
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Abstract
This utility model relates to a kind of clamping device, it is provided that a kind of clamping and positioning device based on worm and gear, including: worm and gear, cam, mandrel, clamping device, return module；Described worm and gear includes worm gear, worm screw, and worm gear engages with gear with worm screw, is used for transmitting the motion between two alternating axis and power, and wherein worm screw is used for connecting power source provides power, and worm gear for engage transmission power with gear on worm；Described cam is similar to ellipticity, two minimum points projections protruding including two peaks；Described worm gear and cam mechanism are fixed on mandrel, and mandrel passes through cam planes center and worm gear center, and worm gear wheel can drive cam rotation by mandrel, and described cam two peak is protruding convexes to form mutual reciprocating motion with two minimum points；Described clamping and positioning device has low cost, design is simple, realize easily, the advantage that degree of accuracy is high.
Description
Technical field
This utility model relates to a kind of clamping device, particularly relates to a kind of clamping and positioning device based on worm and gear.
Background technology
Traditional production line is a kind of common demand for clamping and the location of material, particularly with the essence of accurate material
Really clamping and location have higher requirement, general clamping and location to use motor to drive, and part also has by actuated by cams, but
Generally complexity is higher, and precision is difficult to ensure that, the when of particularly having a driven by motor multiple stage clamping device demand, especially
Complexity promotes further, and cost increases further, and precision difficulty is guaranteed.
Utility model content
More than based on, the utility model proposes a kind of clamping and positioning device based on worm and gear, it is intended to simplify design, carry
In high precision.
The technical solution of the utility model is as follows:
A kind of clamping and positioning device based on worm and gear, including: worm and gear, cam, mandrel, clamping device, return
Module.
Described worm and gear includes worm gear, worm screw, and worm gear engages with gear with worm screw, is used for transmitting between two alternating axis
Motion and power, wherein worm screw is used for connecting power source provides power, and worm gear for engage transmission power with gear on worm.
Described cam is similar to ellipticity, two minimum points projections protruding including two peaks.
Described worm gear and cam mechanism are fixed on mandrel, and mandrel passes through cam planes center and worm gear center, and worm gear turns
The dynamic mandrel that can pass through drives cam rotation, and described cam two peak is protruding convex to form mutual reciprocating motion with two minimum points.
Described clamping device includes the first gripper jaw, the first clamping limb, the second gripper jaw, the second clamping limb；Described first
Gripper jaw and the first clamping limb are mechanically connected, and described second gripper jaw and the second clamping limb are mechanically connected；Described first gripper jaw,
Second gripper jaw drives relative open and close movement by the first clamping limb, the second clamping limb respectively；Described first clamping limb, the second folder
Gripping arm is connected with cam circular contact and symmetrical motion respectively, reaches range during contact cam peak projection simultaneously,
Minimize stroke during contact cam minimum point simultaneously.
Described return module includes that return spring, return bracing frame, described return bracing frame machinery are located on the first clamping
On arm, the second clamping limb, described first clamping limb, the second clamping limb may pass through return support movements；Described return spring one
End contacts the contact of cam side baffle plate and connects with the first clamping limb, the second clamping limb；The described return spring other end supports with return
Bridge joint touches and connects；Described return spring is sticked between described baffle plate and return bracing frame.
Preferably, described first clamping limb, the second clamping limb contact cam side are provided with roller, and described roller can be along cam
Peripolesis.
Preferably, described first clamping limb, the second clamping limb are U-shaped, U-shaped end thereof contacts cam, and the U-shaped other end arranges
One gripper jaw, the second gripper jaw.
Preferably, described power source is motor, and described motor is connected by belt pulley with worm screw；Described motor passes through belt
Wheel drives worm screw to rotate.
Specifically, described motor is servomotor or motor.
Preferably, described a kind of clamping and positioning device based on worm and gear can be to repeat multiple linkage, is moved by one
Power source drives a worm screw to rotate, and a worm screw drives multiple with multiple worm gears by gear gear motion, multiple worm gear correspondences
Cam reciprocating rotates, and multiple cam correspondences drive multiple clamping device open and close movements.
Beneficial effect
Clamping and positioning device described in the utility model use worm and gear mode realize, have low cost, design letter
Singly, realize easily, the advantage that degree of accuracy is high.
Accompanying drawing explanation
Fig. 1 is clamping and positioning device overall schematic based on worm and gear；
Fig. 2 is clamping and positioning device motor transmission part schematic diagram based on worm and gear；
Fig. 3 is the multiple linkage schematic diagram of clamping and positioning device based on worm and gear.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and enforcement
Example, is further elaborated to this utility model.Should be appreciated that specific embodiment described herein is only in order to explain
This utility model, is not used to limit this utility model.
As shown in Figure 1, 2: a kind of clamping and positioning device based on worm and gear, including worm and gear, cam 130, mandrel
108, clamping device, return module.
Described worm and gear includes at least one worm gear 103, worm screw 113, and worm gear 103 engages with gear with worm screw 113, uses
Transmitting the motion between two alternating axis and power, wherein worm screw 113 is used for connecting power source provides power, and worm gear 103 is used for
To engage transmission power with worm screw 113 gear；Described power source is motor 201；Described motor 201 is driven by belt pulley 202
Worm screw 113 rotates, and worm screw 113 rotates and drives worm gear 103 to rotate, thus band moving cam 130 rotates, and cam 130 rotates drive the
One clamping limb the 111, second clamping limb action 112, and then described first clamping limb the 111, second clamping limb 112 drives described first
Gripper jaw the 101, second gripper jaw 102 carries out snap action, and i.e. first clamping limb the 111, second clamping limb 112 drives described first
Gripper jaw the 101, second gripper jaw 102 is in opposite directions closer or far from motion, thus completes clamping.
Preferably, described power source can be servomotor or motor, so described first gripper jaw 101,
Two gripper jaws 102 can accurately clamp, and i.e. can complete positioning function.
Described cam 130 is similar to ellipticity, two minimum points projections protruding including two peaks.
Described worm gear 103 and cam 130 are mechanically fastened on mandrel 108, mandrel 108 by cam 130 planar central and
Worm gear 103 center, worm gear 103 is rotated and can be rotated by mandrel 108 band moving cam 130,130 liang of peaks of described cam protruding with
Two minimum points convex to form mutual reciprocating motion.
Described clamping device includes first gripper jaw the 101, first clamping limb the 111, second gripper jaw the 102, second clamping limb
112；Described first gripper jaw 101 is mechanically connected with the first clamping limb 111, described second gripper jaw 102 and the second clamping limb 112
It is mechanically connected；Described first gripper jaw the 101, second gripper jaw 102 is driven by first clamping limb the 111, second clamping limb 112 respectively
Dynamic relative open and close movement；Described first clamping limb the 111, second clamping limb 112 connects and relative with cam 130 circular contact respectively
Claim motion, reach range during contact cam peak projection simultaneously, minimize stroke during contact cam minimum point simultaneously.
Described return module includes return spring (105 is one of them return spring as shown in Figure 1), return bracing frame
106, described return bracing frame 106 machinery is located on first clamping limb the 111, second clamping limb 112, described first clamping limb
111, the second clamping limb 112 may pass through return bracing frame 106 and moves；Described return spring one end and the first clamping limb 111, second
Clamping limb 112 contacts the contact of cam 130 side shield and connects；The described return spring other end contacts connection with return bracing frame 106；
Described return spring is sticked between described baffle plate and return bracing frame 106.
Described first clamping limb the 111, second clamping limb 112 contacts cam 130 side and is provided with roller 107, described roller 107
Can be along cam 130 peripolesis, for first clamping limb the 111, second clamping limb 112 and cam 130 sliding contact.
Described first clamping limb the 111, second clamping limb 112 is U-shaped, U-shaped end thereof contacts cam 130, and the U-shaped other end is arranged
First gripper jaw the 101, second gripper jaw 102.
As shown in Figure 1, 2, 3: described a kind of clamping and positioning device based on worm and gear can be to repeat multiple linkage, by
One power source drives a worm screw 113 to rotate, and a worm screw 113 passes through gear gear motion, multiple snails with multiple worm gears 103
Wheel 103 is corresponding drives multiple cam 130 reciprocating rotations, the multiple clamping device open and close movements of corresponding drive of multiple cams 130, wherein
It can be to be crisscross arranged that cam 130 motion is arranged, and i.e. drives first cam 130 to move when worm screw 113 by worm gear 103 motion
During to peak, second cam 130 moves to minimum point successively, the like, thus complete more athletic performance, Jin Erji
Big raising clamping efficiency.
Above content is to combine concrete preferred implementation further detailed description of the utility model, it is impossible to
Assert that the novel detailed description of the invention of this use is confined to these explanations.Common for this utility model art
For technical staff, make some equivalents without departing from the concept of the premise utility and substitute or substantially deform, Er Qiexing
Energy or purposes are identical, are regarded as the scope of patent protection that this utility model is determined by the claims submitted to.
Claims (6)
1. a clamping and positioning device based on worm and gear, including: worm and gear, cam, mandrel, clamping device, return mould
Block；
Described worm and gear includes worm gear, worm screw, and worm gear engages with gear with worm screw, is used for transmitting the motion between two alternating axis
And power, wherein worm screw is used for connecting power source provides power, and worm gear for engaging transmission power with gear on worm；
Described cam ellipticity, two minimum points projections protruding including two peaks；
Described worm gear and cam mechanism are fixed on mandrel, and mandrel passes through cam planes center and worm gear center, and worm gear wheel can
Driving cam rotation by mandrel, described cam two peak is protruding convexes to form mutual reciprocating motion with two minimum points；
Described clamping device includes the first gripper jaw, the first clamping limb, the second gripper jaw, the second clamping limb；Described first clamping
Pawl and the first clamping limb are mechanically connected, and described second gripper jaw and the second clamping limb are mechanically connected；Described first gripper jaw, second
Gripper jaw drives relative open and close movement by the first clamping limb, the second clamping limb respectively；Described first clamping limb, the second clamping limb
It is connected with cam circular contact respectively and symmetrical motion, reaches range, simultaneously during contact cam peak projection simultaneously
Stroke is minimized during contact cam minimum point；
Described return module include return spring, return bracing frame, described return bracing frame machinery be located on the first clamping limb,
On two clamping limbs, described first clamping limb, the second clamping limb may pass through return support movements；Described return spring one end and the
One clamping limb, the second clamping limb contact cam side baffle plate contact connect；The described return spring other end contacts with return bracing frame
Connect；Described return spring is sticked between described baffle plate and return bracing frame.
2. as claimed in claim 1 clamping and positioning device based on worm and gear, it is characterised in that: described first clamping limb, the
Two clamping limb contact cam side are provided with roller, and described roller can move along cam peripheries.
3. clamping and positioning device based on worm and gear as claimed in claim 1 or 2, it is characterised in that: described first clamping limb,
Second clamping limb is U-shaped, U-shaped end thereof contacts cam, and the U-shaped other end arranges the first gripper jaw, the second gripper jaw.
4. clamping and positioning device based on worm and gear as claimed in claim 1 or 2, it is characterised in that: described power source is electricity
Machine, described motor is connected by belt pulley with worm screw；Described motor drives worm screw to rotate by belt pulley.
5. clamping and positioning device based on worm and gear as claimed in claim 4, it is characterised in that: described motor is servomotor
Or motor.
6. a clamping and positioning device based on worm and gear, including multiple folders based on worm and gear as claimed in claim 1
Holding positioner for repeating multiple linkage, a power source drive a worm screw to rotate, a worm screw passes through with multiple worm gears
Gear gear motion, multiple worm gear correspondences drive multiple Cam reciprocatings to rotate, and multiple cam correspondences drive multiple clamping devices to open
Resultant motion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220816.XU CN205766108U (en) | 2016-03-22 | 2016-03-22 | A kind of clamping and positioning device based on worm and gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620220816.XU CN205766108U (en) | 2016-03-22 | 2016-03-22 | A kind of clamping and positioning device based on worm and gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205766108U true CN205766108U (en) | 2016-12-07 |
Family
ID=57414071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620220816.XU Expired - Fee Related CN205766108U (en) | 2016-03-22 | 2016-03-22 | A kind of clamping and positioning device based on worm and gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205766108U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414296A (en) * | 2017-08-18 | 2017-12-01 | 徐平 | A kind of scanning laser welding jigs and fixtures of dynamic battery box high-efficiency and precision manufacture |
| CN109202948A (en) * | 2018-11-14 | 2019-01-15 | 上海交通大学 | A kind of power control gripper |
| CN109956303A (en) * | 2019-03-26 | 2019-07-02 | 许昌裕同印刷包装有限公司 | A kind of automatic packing box cam bracing wire clamping device and its application method |
| CN113001592A (en) * | 2021-02-01 | 2021-06-22 | 章余 | Detection mechanism for investigation robot |
-
2016
- 2016-03-22 CN CN201620220816.XU patent/CN205766108U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414296A (en) * | 2017-08-18 | 2017-12-01 | 徐平 | A kind of scanning laser welding jigs and fixtures of dynamic battery box high-efficiency and precision manufacture |
| CN109202948A (en) * | 2018-11-14 | 2019-01-15 | 上海交通大学 | A kind of power control gripper |
| CN109202948B (en) * | 2018-11-14 | 2024-02-20 | 上海交通大学 | Force control mechanical claw |
| CN109956303A (en) * | 2019-03-26 | 2019-07-02 | 许昌裕同印刷包装有限公司 | A kind of automatic packing box cam bracing wire clamping device and its application method |
| CN109956303B (en) * | 2019-03-26 | 2020-12-22 | 许昌裕同印刷包装有限公司 | Automatic packaging box cam stay wire clamping device and using method thereof |
| CN113001592A (en) * | 2021-02-01 | 2021-06-22 | 章余 | Detection mechanism for investigation robot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 Termination date: 20190322 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |