CN107470571B - Clamp device - Google Patents
Clamp device Download PDFInfo
- Publication number
- CN107470571B CN107470571B CN201710902732.3A CN201710902732A CN107470571B CN 107470571 B CN107470571 B CN 107470571B CN 201710902732 A CN201710902732 A CN 201710902732A CN 107470571 B CN107470571 B CN 107470571B
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- China
- Prior art keywords
- cam
- bar
- rotating bar
- clamp device
- nut
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C21/00—Flasks; Accessories therefor
- B22C21/08—Clamping equipment
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Catching Or Destruction (AREA)
Abstract
The present patent application belongs to the corollary equipment technical field of casting sandbox, specifically disclose a kind of clamp device, including anchorage bar, rotating bar, nut and cam, the anchorage bar is U-shaped, the first end of anchorage bar is higher than the second end of anchorage bar, one end rotation connection of the first end and rotating bar, and the other end and cam of the rotating bar are rotatablely connected, the surface of the cam is equipped with handle, and the second end is equipped with and the matched external screw thread of nut.The present invention can solve the problem of existing sandbox clamp device is not easily taken out after sandbox expansion.
Description
Technical field
The invention belongs to cast the corollary equipment technical field of sandbox, a kind of clamp device is specifically disclosed.
Background technique
In traditional casting field, lock box hole, cope and lower sand are respectively equipped on the flange of cope and drag box
Case is locked cope and drag box using screw rod, nut and gasket cooperation.But this traditional method has a defect,
After pouring liquid metal in sandbox, the temperature meeting rapid increase of sandbox causes sandbox to expand, and the sandbox after expanding can be by spiral shell
Female and screw rod is locked, extremely difficult when removing nut and screw rod.And when the sandbox expansive force that nut and screw rod are subject to is excessive
It may cause bent screws deformation, can not continue to use.
Summary of the invention
The purpose of the present invention is to provide a kind of clamp devices, to solve existing sandbox clamp device after sandbox expansion
The problem of being not easily taken out.
In order to achieve the above object, base case of the invention are as follows: clamp device, including anchorage bar, rotating bar, nut and
Cam, the anchorage bar is U-shaped, and anchorage bar includes first end and second end, and the length of the first end is greater than the length of second end
Degree, one end of the rotating bar and first end are rotatablely connected, and the other end and cam of the rotating bar are rotatablely connected, the cam
Surface be equipped with handle, the second end be equipped with and the matched external screw thread of nut.
The working principle of this base case is: in use, rotating bar is turned to from second end remotely, by anchorage bar
Second end be inserted into lock box hole, second end, which is in lock box hole, does not stretch out lock box hole.Rotating bar is gone back to again, is made at cam
In the top of flange.Control handle, rotation cam are pushed against the distalmost end of cam on the top of the flange of sandbox.Rotation
Turn nut makes nut push against the bottom of flange.When removing clamp device, first cam is turned on by control handle, then will be turned
Lever turns on, and finally takes out clamp device below lock box hole.It can be according to the requirement of the size of sandbox and locking
Clamp device of the present invention is all installed on each face of sandbox.
The beneficial effect of this base case is: compared with prior art, present apparatus installation is simple, need to only insert anchorage bar
Enter in lock box hole, in rotary motion bar, cam and nut.Anchorage bar is arranged to U-shaped, and the both ends height of anchorage bar is not
As soon as in use, user need to only catch higher one end that very easily anchorage bar can be inserted into lock box hole, meanwhile, rotation
Bar can turn to other positions, convenient for anchorage bar to be inserted into lock box hole, avoid the case where rotating bar generates blocking.Make
It is simply easily manufactured and installed come rotation cam one side grip structure with handle, on the other hand when removing clamp device,
Hand is also convenient for user's force.Meanwhile although the present apparatus uses nut to fix, when removing clamp device, as long as by convex
Wheel and rotating bar turn on, and it is not in that nut locks on screw thread and flange that clamp device, which is loosened downwards, which can be taken off,
Situation.
Preferred embodiment one: as the preferred of basic scheme, one end of the rotating bar and the first end are hinged, described convex
It takes turns hinged with rotating bar.Structure is simple by the way of hinged, and easy to process and production is installed also very convenient.
Preferred embodiment two: preferably one it is preferred, at the rotation connection of the cam positioned at second end just on
Side.Using this programme, when using clamp device, cam is turned to the surface of second end, then push against flange with cam,
Where cam is in the second end center of circle to the impetus of flange pressure at this time in vertical straight line, pressure face of the nut to flange
It is rounded, and the circular center of circle is also on this line.Such stress point can preferably fasten drag box.
Preferred embodiment three: preferably one it is preferred, the cam is equipped with shaft and ratchet, in the ratchet
The heart passes through shaft and ratchet is fixedly connected on cam, and vertical bar is vertically equipped in the rotating bar, and vertical bar is equipped with and institute
The pawl of ratchet cooperation is stated, the direction of rotation of the ratchet is clockwise.The unidirectional of cam may be implemented using ratchet and pawl
Rotation prevents cam from loosening and influences the locking effect of clamp device.Simultaneously when needing to unclamp on cam, pawl need to only be dialled
It rises, it is easy to operate simple, and also production and processing is also very easy.
Preferred embodiment four: as the preferred of basic scheme, the cam is Archimedes spiral cam.It is passed using the cam
Dynamic effect is good, is not easy to loosen after contacting with flange, improves locking effect.
Preferred embodiment five: preferably four it is preferred, the outer surface of the cam is additionally provided with nonskid coating.Using this
After scheme can prevent cam to be pushed against on flange, since mobile sandbox or other operations lead to cam slide, further
The locking effect of ground enhancing clamp device.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of clamp device embodiment of the present invention；
Fig. 2 is the structural schematic diagram of rotating bar and cam hinged place in Fig. 1.
Specific embodiment
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: anchorage bar 1, rotating bar 2, Archimedes spiral cam 3, handle 4, spiral shell
Female 5, first end 6, second end 7, vertical bar 8, ratchet 9, pawl 10.
As shown in Figure 1, clamp device of the present invention, including anchorage bar 1, rotating bar 2, Archimedes spiral cam 3, handle 4
With nut 5.The anchorage bar 1 includes first end 6 and second end 7, and first end 6 is higher than second end 7.It is hinged in the first end 6
There is rotating bar 2, and the hinge joint in rotating bar 2 is located at one end of rotating bar 2, the rotating bar 2 can be using hinge joint as the center of circle
It does and horizontally rotates.The other end and Archimedes spiral cam 3 of rotating bar 2 are hinged, and the Archimedes spiral cam 3 is equipped with
Nonskid coating is additionally provided with shaft, ratchet 9 has been also extended through in shaft, while ratchet 9 is fixed on Archimedes spiral cam 3.Institute
It states and is vertically installed with vertical bar 8 in rotating bar 2, vertical bar 8 is equipped with the pawl 10 cooperated with the ratchet 9.The A Ji meter
Moral spiral cam 3 can rotate on perpendicular using hinge joint as the center of circle, and Archimedes spiral cam 3 is arranged in handle 4
On surface, user can realize the rotation of Archimedes spiral cam 3 by control handle 4.The second end 7 of anchorage bar 1 is set
There is external screw thread, is additionally provided with and the matched nut 5 of external screw thread.
When it is implemented, nut 5 is preset in the externally threaded bottommost of anchorage bar 1.Rotating bar 2 is first turned to one by user
Side prevents rotating bar 2 from contacting with sandbox and bring installation inconvenience, the first end 6 of anchorage bar 1 is then caught, by anchorage bar 1
Second end 7 is inserted into the lock box hole of flange, and second end 7 does not expose lock box hole.Then rotating bar 2 is turned to method by user
Blue side top makes Archimedes spiral cam 3 and the hinge joint of rotating bar 2 be exactly in the surface of second end 7, then catches handle
Archimedes spiral cam 3 is rotated down by hand 4, since the present apparatus is equipped with ratchet 9 and pawl 10, so Archimedes spiral
Cam 3 can only rotate clockwise, and the distalmost end of the Archimedes spiral cam 3 pushes against flange, finally tighten nut 5 i.e.
It can.When needing to remove clamp device, pawl 10 is lifted first, then control handle 4 rotates counterclockwise Archimedes spiral
3 turns of Archimedes spiral cam are risen, so that Archimedes spiral cam 3 is left flange surface, be rotated further by rotating bar by cam 3
2, make rotating bar 2 far from flange.Anchorage bar 1 is loosened at this time, anchorage bar 1 is moved down, the second of nut 5 and anchorage bar 1
Far away from flange, clamp device is just removed at end 7.
If the fixed effect of single clamp device is bad, it can reach fixed using multiple clamp devices on sandbox
It is required that.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.
Claims (5)
1. clamp device, which is characterized in that including anchorage bar, rotating bar, nut and cam, the anchorage bar is U-shaped, anchorage bar
Including first end and second end, the length of the first end is greater than the length of second end, one end of the rotating bar and first end
Rotation connection, the other end and cam of the rotating bar are rotatablely connected, and the surface of the cam is equipped with handle, the second end
It is equipped with and the matched external screw thread of nut；The cam is equipped with shaft and ratchet, and the center of the ratchet passes through shaft and spine
Wheel is fixedly connected on cam, and vertical bar is vertically equipped in the rotating bar, and vertical bar is equipped with the spine cooperated with the ratchet
Pawl, the direction of rotation of the ratchet are clockwise.
2. clamp device as described in claim 1, which is characterized in that one end of the rotating bar and the first end are hinged,
The cam and rotating bar are hinged.
3. clamp device as claimed in claim 2, which is characterized in that be located at second end just at the rotation connection of the cam
Top.
4. clamp device as described in claim 1, which is characterized in that the cam is Archimedes spiral cam.
5. clamp device as claimed in claim 4, which is characterized in that the outer surface of the cam is additionally provided with nonskid coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902732.3A CN107470571B (en) | 2017-09-29 | 2017-09-29 | Clamp device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710902732.3A CN107470571B (en) | 2017-09-29 | 2017-09-29 | Clamp device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107470571A CN107470571A (en) | 2017-12-15 |
| CN107470571B true CN107470571B (en) | 2018-12-18 |
Family
ID=60604772
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710902732.3A Active CN107470571B (en) | 2017-09-29 | 2017-09-29 | Clamp device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107470571B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112276013A (en) * | 2020-10-28 | 2021-01-29 | 沈林军 | Fixing support of engine casting mould |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR566018A (en) * | 1923-05-11 | 1924-02-08 | Closure for foundry molds | |
| US2581040A (en) * | 1947-10-03 | 1952-01-01 | Mullenbach William | Cam actuated adjustable mold clamp |
| CN1743099A (en) * | 2004-08-31 | 2006-03-08 | 亨特自动机器有限公司 | Automated clamping mechanism and mold flask incorporating same |
| CN101761727A (en) * | 2008-11-10 | 2010-06-30 | 扬动股份有限公司 | Orifice sealing device |
| CN203125361U (en) * | 2013-01-16 | 2013-08-14 | 浙江吉利汽车有限公司 | Locking and fixing device |
| CN103639785A (en) * | 2013-12-06 | 2014-03-19 | 蔡利锋 | Simple fast pressing plate |
| CN204584204U (en) * | 2014-12-30 | 2015-08-26 | 广西科技大学 | A kind of casting mould assembling pressure box fastener |
-
2017
- 2017-09-29 CN CN201710902732.3A patent/CN107470571B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR566018A (en) * | 1923-05-11 | 1924-02-08 | Closure for foundry molds | |
| US2581040A (en) * | 1947-10-03 | 1952-01-01 | Mullenbach William | Cam actuated adjustable mold clamp |
| CN1743099A (en) * | 2004-08-31 | 2006-03-08 | 亨特自动机器有限公司 | Automated clamping mechanism and mold flask incorporating same |
| CN101761727A (en) * | 2008-11-10 | 2010-06-30 | 扬动股份有限公司 | Orifice sealing device |
| CN203125361U (en) * | 2013-01-16 | 2013-08-14 | 浙江吉利汽车有限公司 | Locking and fixing device |
| CN103639785A (en) * | 2013-12-06 | 2014-03-19 | 蔡利锋 | Simple fast pressing plate |
| CN204584204U (en) * | 2014-12-30 | 2015-08-26 | 广西科技大学 | A kind of casting mould assembling pressure box fastener |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107470571A (en) | 2017-12-15 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191118 Address after: 233000 Anhui city of Bengbu province Wuhe County Economic Development Zone South of 4-7 Road intersection Patentee after: BENGBU KUNPENG FOOD & BEVERAGE CO., LTD. Address before: 401525 Chongqing Hechuan Qingping town of Lingchuan Patentee before: Chongqing Daifa Casting Co., Ltd. |
|
| TR01 | Transfer of patent right |