CN103008573A - Sandbox fastening clip - Google Patents
Sandbox fastening clip Download PDFInfo
- Publication number
- CN103008573A CN103008573A CN 201210521137 CN201210521137A CN103008573A CN 103008573 A CN103008573 A CN 103008573A CN 201210521137 CN201210521137 CN 201210521137 CN 201210521137 A CN201210521137 A CN 201210521137A CN 103008573 A CN103008573 A CN 103008573A
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- China
- Prior art keywords
- sandbox
- round steel
- shaped round
- fixed block
- fastening
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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.)
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Abstract
The invention relates to a sandbox fastening clip for fastening a sandbox used for casting. The sandbox fastening clip is characterized by comprising U-shaped round steel, a movable slide block and a locking lead screw, wherein the movable slide block is provided with two installation holes and sleeved on two parallel straight arms of the U-shaped round steel through the two installation holes, a fixed block is fixed at an open end of the U-shaped round steel, a screw hole is arranged at the center of the fixed block, one end of the locking lead screw passes through the screw hole, and the other end of the locking lead screw is a large-head end that is provided with a through hole. The sandbox fastening clip provided by the invention has the advantages of a simple and reasonable structure, easiness in manufacturing and low cost and overcomes the disadvantages that a traditional sandbox fastening clip easily slips and fails and vibration is caused by hammering during fastening, and a sandbox fastened by the clip is firm, is convenient to operate and use and has a long service life.
Description
Technical field
The present invention relates to a kind of sandbox fastener of casting with fastening sandbox.
Background technology
Usually, casting factory is used for the clamp of fastening sandbox and mostly is slippage hitch box ear formula and crotch slippage hitch box wushu, although it is easy to use that the turn-buckle of these types is made, but need hammering when fastening, produce vibration, cause easily the sand mold drop, and itself touches off easily, sand mold is subjected to the molten metal expansive force during cast, and the clamp slippage is arranged once in a while, causes " artillery fire " phenomenon.Moreover sliding fastener gray iron commonly used is cast into, and service life is short.
Summary of the invention
According to above deficiency of the prior art, the technical problem to be solved in the present invention is: a kind of simple in structure, sandbox fastener of making easy to use and long service life is provided.
Sandbox fastener of the present invention, comprise U-shaped round steel, movable slider and locking screw, two installing holes are set on the movable slider, movable slider is enclosed within on the two parallel straight-arms of U-shaped round steel by two installing holes, the openend of U-shaped round steel is fixed a fixed block, in the middle of the fixed block screw is set, and locking screw one end passes screw, the other end is thick head end, and thick head end is provided with through hole.
During making, a round steel is curved U-shaped, make two cuboid blooms, wherein a bloom is movable slider, another bloom is fixed block, installing hole is bored at two ends at two blooms, first movable slider is enclosed within on the U-shaped round steel, and it can be slided along the straight parallel arm portion of U-shaped round steel both sides, again fixed block is enclosed within on the termination of U-shaped round steel, then processing screw hole in the middle of the fixed block welds into fixed block and U-shaped round steel as a wholely, opens a through hole on the thick head end with locking screw at last, and locking screw is screwed in the screw, the sandbox fastener completes, reasonable integral structure, make simply, be convenient to promote the use of.
Operation principle and process:
During mould assembling, two sandbox fasteners are enclosed within respectively hanging upper of sandbox both sides, during suit, (or about) two or many sandbox homonymies hangs in the space between U-shaped round steel and movable slider about making, the thick head end of locking screw has a through hole, insert corresponding steel rod and namely can be used to tighten locking screw, the rotational lock leading screw makes movable slider moving clip tight sand case hang handle, two sandbox fasteners are alternately firmly tightened, thereby quick, securely two in one group of sand mold or many sand molds are tightened together the swollen type power that produces when overcoming the molten metal casting; The locking screw that only need unclamp the sandbox fastener when needing to open sandbox after the foundry goods condensation gets final product.
The beneficial effect that the present invention compared with prior art has is:
This sandbox fastener is simple and reasonable, make simple, cost is low, has overcome the easy pull-out failure of traditional fastening sandbox clamp, the vibrative shortcoming of hammering when fastening, fastening sandbox is firm, easy for operation and long service life.
Description of drawings
Fig. 1 is structural representation of the present invention.
Among the figure: 1, U-shaped round steel; 2, parallel straight-arm; 3, movable slider; 4, fixed block; 5, locking screw; 6, thick head end; 7, through hole.
The specific embodiment
Below in conjunction with accompanying drawing embodiments of the invention are described further:
As shown in Figure 1, the sandbox fastener comprises U-shaped round steel 1, movable slider 3 and locking screw 5, two installing holes are set on the movable slider 3, movable slider 3 is enclosed within on the two parallel straight-arms 2 of U-shaped round steel by two installing holes, the openend of U-shaped round steel 1 is fixed a fixed block 4, in the middle of the fixed block 4 screw is set, and locking screw 5 one ends pass screw, the other end is thick head end 6, and thick head end 6 is provided with through hole 7.
During making, a thick round steel of ∮ 20mm is curved U-shaped, make the cuboid bloom of the wide * height=140*40*25 of two long *, wherein a bloom is movable slider 3, another bloom is fixed block 4, bore the installing hole of ∮ 22 at the two ends of two blooms, first movable slider 3 is enclosed within on the U-shaped round steel 1, it can be slided along parallel straight-arm 2 parts of U-shaped round steel both sides, again fixed block 4 is enclosed within on the termination of U-shaped round steel 1, in the middle of fixed block 4, process the screws of a Tr27, then fixed block 4 and U-shaped round steel 1 are welded into as a wholely, open a through hole 7 on the thick head end 6 with locking screw 5 at last, and locking screw 5 is screwed in the screw, the sandbox fastener completes, reasonable integral structure, make simply, be convenient to promote the use of.
During mould assembling, two in one group of sand mold or many sandboxes need to be tightened together, the swollen type power that produces when overcoming the molten metal casting consists of example with one group of sand mold by upper and lower two sandboxes now, and specific descriptions are done in use procedure of the present invention:
Two sandbox fasteners are enclosed within respectively hanging upper of sandbox both sides, during suit, make up and down hanging in the space between U-shaped round steel 1 and movable slider 3 of two sandbox homonymies, the thick head end 6 of locking screw 5 has a through hole 7, insert corresponding steel rod and namely can be used to tighten locking screw 5, rotational lock leading screw 5 makes movable slider 3 moving clip tight sand casees hang handle, two sandbox fasteners are alternately firmly tightened, thereby the swollen type power that fast, securely two in one group of sand mold or many sand molds are tightened together, produces when overcoming the molten metal casting; The locking screw 5 that only need unclamp the sandbox fastener when needing to open sandbox after the foundry goods condensation gets final product.
Whole sandbox fastener is easy to use, friction, firm in the fastening sandbox operating process, long service life.
Claims (1)
1. sandbox fastener, it is characterized in that: comprise U-shaped round steel (1), movable slider (3) and locking screw (5), movable slider arranges two installing holes on (3), movable slider (3) passes through two installation sleeves on two parallel straight-arms (2) of U-shaped round steel (1), the openend of U-shaped round steel (1) is fixed a fixed block (4), in the middle of the fixed block (4) screw is set, and locking screw (5) one ends pass screw, the other end is thick head end (6), and thick head end (6) is provided with through hole (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210521137 CN103008573A (en) | 2012-12-07 | 2012-12-07 | Sandbox fastening clip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201210521137 CN103008573A (en) | 2012-12-07 | 2012-12-07 | Sandbox fastening clip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103008573A true CN103008573A (en) | 2013-04-03 |
Family
ID=47957987
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201210521137 Pending CN103008573A (en) | 2012-12-07 | 2012-12-07 | Sandbox fastening clip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103008573A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665652A (en) * | 2016-01-11 | 2016-06-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Dual-purpose sand box fastening device and using method |
-
2012
- 2012-12-07 CN CN 201210521137 patent/CN103008573A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105665652A (en) * | 2016-01-11 | 2016-06-15 | 中车戚墅堰机车车辆工艺研究所有限公司 | Dual-purpose sand box fastening device and using method |
| CN105665652B (en) * | 2016-01-11 | 2018-04-24 | 中车戚墅堰机车车辆工艺研究所有限公司 | A kind of dual-purpose sandbox clamp device and application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130403 |