CN207709810U - A kind of clamping device for preventing metalling run out for molding sandbox before pouring into a mould - Google Patents
A kind of clamping device for preventing metalling run out for molding sandbox before pouring into a mould Download PDFInfo
- Publication number
- CN207709810U CN207709810U CN201820055884.4U CN201820055884U CN207709810U CN 207709810 U CN207709810 U CN 207709810U CN 201820055884 U CN201820055884 U CN 201820055884U CN 207709810 U CN207709810 U CN 207709810U
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- hinged
- clamping device
- mould
- run out
- before pouring
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Abstract
The utility model discloses a kind of for the anti-clamping device metalled run out of molding sandbox before pouring into a mould, including intermediate cylindrical, center bolt, two struts, two swing arms and intermediate support block.The clamping device combines the mechanical feature of screw rod and lever, realizes movement clamping using four-bar linkage motion principle, and realize the amplification to the pretightning force of screw rod by lever, can adequately meet the locking requirement to this sandbox；The cumbersome process locked by bolt is avoided, production efficiency is substantially increased, shortens the production cycle, reduces the labor intensity of worker.
Description
Technical field
It is especially a kind of to prevent that metals run out steps up to fill for molding sandbox before pouring into a mould the utility model is related to a kind of clamping device
It sets.
Background technology
In casting field, before cast, the gap of sand mo(u)ld contact is excessive in order to prevent, pours into a mould later molten iron in order to prevent
The buoyancy generated in cavity causes casting sand box to lift case, causes casting dimension deviation, and also to prevent the iron of melting
Water overflows.The process is mainly the flange by manually locking connection upper and lower box at present.Since flange hole is opened in sandbox
At gap between reinforcing rib, which needs to carry out after being manually kept completely separate bolt and nut
Locking and dismounting, and screw rod is easily damaged.It is therefore desirable to design it is a kind of for molding sandbox before pouring into a mould it is anti-metalling run out plus
Tight device can change the hand of spiral of traditional screw rod, can be locked and be dismantled by pneumatic impact spanner.
Invention content
Purpose of utility model：A kind of clamping device for preventing metalling run out for molding sandbox before pouring into a mould is provided, biography can be changed
The hand of spiral of the screw rod of system can be locked and be dismantled by pneumatic impact spanner.
Technical solution：It is described in the utility model to prevent the clamping device metalled run out, including centre for molding sandbox before pouring into a mould
Cylinder, center bolt, two struts, two swing arms and intermediate support block；In intermediate cylindrical upper edge, it is axially penetrated through equipped with tune
Threaded hole is saved, arranged symmetrically on the outer wall of intermediate cylindrical there are two hinged seats；One end of two struts, which is respectively articulated with, to be mounted on
On two hinged seats；Hinged plug there are one being all provided in the other end of two struts；It is arranged on intermediate support block outer wall
Two support arms, and it is all provided on the end of two support arms that there are one hinged notches；It is equipped with one in the middle part of two swing arms
A convex block；The convex block of two swing arms is inserted into two hinged notches respectively, and is hingedly mounted in hinged notch by articulated shaft；Two
One end of root swing arm is respectively articulated on hinged plug, and opposite be bent to form of the other end of two swing arms squeezes end；Pendulum
Arm is acute angle with the angle of corresponding hinged strut；Center bolt screws on adjusting threaded hole, and the pressed end of center bolt
Portion is supported in intermediate support block.
Further, limit blind hole is equipped in intermediate support block, the extruding end of center bolt is inserted into limit blind hole.
The limit of center bolt end position can be realized using limit blind hole.
Further, it is equipped with square spigot in the round end of center bolt.Pneumatic impact spanner can be facilitated to be clamped using square spigot,
To replace the cumbersome labour of manual work.
Further, convex block is semicircle dish type, and arcwall face is equipped in hinged notch；The disk outer circumference surface branch of convex block
It supports on the arcwall face in hinged notch.Using the supporting role of arcwall face and disk outer circumference surface, the stabilization of support is enhanced
Property.
Compared with prior art, advantage is the utility model：The mechanical feature of screw rod and lever is combined, is utilized
Four-bar linkage motion principle realizes movement clamping, and realizes the amplification to the pretightning force of screw rod by lever, can
Adequately meet the locking requirement to this sandbox；The cumbersome process locked by bolt is avoided, production effect is substantially increased
Rate shortens the production cycle, reduces the labor intensity of worker.
Description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model；
Fig. 2 is the left view structural representation of the utility model；
Fig. 3 is the use state schematic cross-sectional view of the utility model.
Specific implementation mode
Technical solutions of the utility model are described in detail below in conjunction with the accompanying drawings, but the scope of protection of the utility model
It is not limited to the embodiment.
Embodiment 1：
As shown in Figs. 1-3, disclosed by the utility model to include for the anti-clamping device metalled run out of molding sandbox before pouring into a mould：In
Between cylinder 1, the swing arm 6 of strut 5, two of center bolt 3, two and intermediate support block 11；In 1 upper edge of intermediate cylindrical, its axial direction is passed through
It is equipped with adjusting threaded hole, arranged symmetrically on the outer wall of intermediate cylindrical 1 there are two hinged seats 2；One end difference of two struts 5
It is hingedly mounted on two hinged seats 2；Hinged plug 13 there are one being all provided in the other end of two struts 5；In intermediate support block
It is arranged with two support arms 12 on 11 outer walls, and is all provided on the end of two support arms 12 that there are one hinged notches 10；
The middle part of two swing arms 6 is all provided with there are one convex block 8；The convex block 8 of two swing arms 6 is inserted into two hinged notches 10 respectively, and passes through
Articulated shaft 9 is hingedly mounted in hinged notch 10；One end of two swing arms 6 is respectively articulated on hinged plug 13, two
Opposite be bent to form of the other end of swing arm 6 squeezes end 7；Swing arm 6 is acute angle with the angle of corresponding hinged strut 5；Center spiral shell
Bar 3 screws on adjusting threaded hole, and the extruding end of center bolt 3 is supported in intermediate support block 11.
Further, limit blind hole is equipped in intermediate support block 11, limit blind hole is inserted into the extruding end of center bolt 3
It is interior.
Further, it is equipped with square spigot 4 in the round end of center bolt 3.
Further, convex block 8 is semicircle dish type, and arcwall face is equipped in hinged notch 10；The disk excircle of convex block 8
Face is supported on the arcwall face in hinged notch 10.
It is disclosed by the utility model for the anti-clamping device metalled run out of molding sandbox before pouring into a mould when in use, using pneumatically pulling
Hand-motion center bolt 3 rotates, and is connected through a screw thread, and intermediate cylindrical 1 is driven to move right (shown in Fig. 3), to pass through strut 5
It drives swing arm 6 to swing, realizes that two extruding ends 7 compress upper drag box up and down using lever principle；It is dynamic by regulating the qi flowing in the channels
The air pressure size of spanner, come control whole device coupling mechanism force size, and can promptly carry out clamping or dismounting.
As described above, although the utility model has been indicated and described with reference to specific preferred embodiment, it must not
It is construed to the limitation to the utility model itself.In the spirit and scope for not departing from the utility model that appended claims define
Under the premise of, it can various changes can be made in the form and details to it.
Claims (4)
1. a kind of for the anti-clamping device metalled run out of molding sandbox before pouring into a mould, it is characterised in that：Including intermediate cylindrical (1), center
Screw rod (3), two struts (5), two swing arms (6) and intermediate support block (11)；In intermediate cylindrical (1) upper edge, it is axially penetrated through
Equipped with threaded hole is adjusted, arranged symmetrically on the outer wall of intermediate cylindrical (1) there are two hinged seats (2)；One end of two struts (5)
It is respectively articulated on two hinged seats (2)；Hinged plug (13) there are one being all provided in the other end of two struts (5)；
It is arranged with two support arms (12) on intermediate support block (11) outer wall, and one is equipped on the end of two support arms (12)
A hinged notch (10)；Convex block (8) there are one being all provided in the middle part of two swing arms (6)；The convex block (8) of two swing arms (6) is respectively
Two hinged notches (10) are inserted into, and are hingedly mounted in hinged notch (10) by articulated shaft (9)；The one of two swing arms (6)
End is respectively articulated on hinged plug (13), and opposite be bent to form of the other end of two swing arms (6) squeezes end (7)；Pendulum
Arm (6) is acute angle with the angle of corresponding hinged strut (5)；Center bolt (3) screws on adjusting threaded hole, and center bolt
(3) extruding end is supported in intermediate support block (11).
2. according to claim 1 for the anti-clamping device metalled run out of molding sandbox before pouring into a mould, it is characterised in that：In centre
Supporting block (11) is equipped with limit blind hole, and the extruding end of center bolt (3) is inserted into limit blind hole.
3. according to claim 1 for the anti-clamping device metalled run out of molding sandbox before pouring into a mould, it is characterised in that：At center
The round end of screw rod (3) is equipped with square spigot (4).
4. according to claim 1 for the anti-clamping device metalled run out of molding sandbox before pouring into a mould, it is characterised in that：Convex block
(8) it is semicircle dish type, and is equipped with arcwall face in hinged notch (10)；The disk outer circumference surface of convex block (8) is supported on hinged groove
On arcwall face in mouth (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820055884.4U CN207709810U (en) | 2018-01-10 | 2018-01-10 | A kind of clamping device for preventing metalling run out for molding sandbox before pouring into a mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820055884.4U CN207709810U (en) | 2018-01-10 | 2018-01-10 | A kind of clamping device for preventing metalling run out for molding sandbox before pouring into a mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207709810U true CN207709810U (en) | 2018-08-10 |
Family
ID=63051947
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820055884.4U Active CN207709810U (en) | 2018-01-10 | 2018-01-10 | A kind of clamping device for preventing metalling run out for molding sandbox before pouring into a mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207709810U (en) |
-
2018
- 2018-01-10 CN CN201820055884.4U patent/CN207709810U/en active Active
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| GR01 | Patent grant |