CN110976779A - Fixing device for core assembly - Google Patents
Fixing device for core assembly Download PDFInfo
- Publication number
- CN110976779A CN110976779A CN201911198625.2A CN201911198625A CN110976779A CN 110976779 A CN110976779 A CN 110976779A CN 201911198625 A CN201911198625 A CN 201911198625A CN 110976779 A CN110976779 A CN 110976779A
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- CN
- China
- Prior art keywords
- pressing plate
- core assembly
- rod
- fixedly connected
- lateral wall
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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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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/10—Cores; Manufacture or installation of cores
- B22C9/108—Installation of cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention relates to the technical field of core assembly, and discloses a fixing device for core assembly, which comprises an upper pressing plate, a lower pressing plate, an upper sand mold and a lower sand mold for assembly, wherein two telescopic rods are symmetrically arranged between the upper pressing plate and the lower pressing plate, two ends of each telescopic rod are respectively and fixedly connected with the side walls of the upper pressing plate and the lower pressing plate, a movable rod is fixedly connected with the center of the top of the lower pressing plate, the other end of each movable rod penetrates through the side wall of the upper pressing plate and extends outwards, a strip-shaped hole is formed in the side wall of each movable rod, a movable block is arranged in each strip-shaped hole and is connected with each movable rod through an adjusting mechanism, two side walls of each movable block are rotatably connected with a bump through a rotating shaft, and a limiting. This fixing device is used in core assembly can improve the stability of top and bottom clamp plate at the block in-process, can not become flexible easily, and can be convenient for use the sand mould of co-altitude not, has improved application scope.
Description
Technical Field
The invention relates to the technical field of core assembly, in particular to a fixing device for core assembly.
Background
The sand casting is a technology of forming a casting by adopting a sand core with a casting structure cavity made of sand and a sand mold after core assembly, mould assembling and pouring, and in the process, in order to ensure that the core assembly is firmer, the expansive force or buoyancy from molten metal can be effectively resisted. The conventional fastening mode for core assembly is to arrange through holes in a sand core and a sand mold, and after the sand core and the sand mold are assembled, a screw penetrates through the through holes to be fastened.
In the patent of patent No. CN108788021A, disclosed a fastener for core assembly, including last chucking spare and lower chucking spare, go up the chucking spare and comprise fastener, guide, locating part, last connecting rod, eccentric wheel subassembly, lower chucking spare comprises fastener and lower connecting rod down, and above-mentioned patent has following defect: the eccentric wheel leads to its rotation under receiving the effect of external force easily in the use to lead to fixed effect to reduce, and can not use the not sand mould of co-altitude, reduced application range.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the fixing device for core assembly, which has the advantages that the stability of the upper pressing plate and the lower pressing plate in the clamping process can be improved, the upper pressing plate and the lower pressing plate cannot be easily loosened, the sand molds with different heights can be conveniently used, the application range is improved, and the problems that the eccentric wheel is easily rotated under the action of external force in the using process, the fixing effect is reduced, the sand molds with different heights cannot be used, and the application range is reduced are solved.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a fixing device for core assembly, includes top board, holding down plate and is used for the last sand mould and the lower sand mould of assembly, the symmetry is equipped with two telescopic links between top board and the holding down plate, and the both ends of two telescopic links set up with the lateral wall fixed connection of top board and holding down plate respectively, the top center department fixedly connected with movable rod of holding down plate, and the other end of movable rod runs through the lateral wall of top board and outwards extend the setting, the bar hole has been seted up to the lateral wall of movable rod, and the downthehole movable block that is equipped with of bar, the movable block passes through adjustment mechanism and is connected with the movable rod, the both sides wall of movable block all rotates through the pivot and is connected with the lug, and is equipped with stop gear on the lug, two one side that the lug deviates from the sand mould mutually is equipped with U type pole, and the both ends of U type pole.
Preferably, adjustment mechanism includes threaded rod and turning handle, threaded rod and movable block threaded connection, and the one end of threaded rod runs through the lateral wall of movable block and outwards extends the setting, the both ends of threaded rod all rotate with the upper and lower both sides wall in bar hole respectively through the bearing and be connected, the lateral wall in bar hole is run through and outwards extends at the top of threaded rod, the bottom of turning handle and the one end fixed connection setting that the threaded rod extends to outside.
Preferably, every stop gear all includes gag lever post and locating piece, the lateral wall of lug set up with gag lever post assorted spacing hole, the both ends of gag lever post all pass spacing hole and outwards extend the setting, waist type hole has been seted up to the lateral wall of gag lever post, the locating piece is located waist type downthehole, and the both ends of locating piece set up with the both sides wall fixed connection in spacing hole respectively, the top of top board seted up with gag lever post assorted spacing groove.
Preferably, each top fixedly connected with of gag lever post draws the piece, every the locating piece all is fixed to cup joint the rubber gasket, and the rubber gasket offsets with waist type hole and sets up.
Preferably, the side walls of the opposite sides of the upper sand mold and the lower sand mold are symmetrically and fixedly connected with two positioning plates, and the side walls of the upper pressing plate and the lower pressing plate are provided with positioning holes matched with the positioning plates.
Preferably, the side walls of the opposite sides of the upper pressing plate and the lower pressing plate are provided with damping layers, and the damping layers are abutted to the upper sand mold and the lower sand mold.
Preferably, the movable rod deviates from the side wall fixedly connected with handle on one side of the upper sand mold, and the surface of the handle is provided with anti-slip lines.
(III) advantageous effects
Compared with the prior art, the invention provides a fixing device for core assembly, which has the following beneficial effects:
1. this fixing device is used in core assembly through being equipped with top board, holding down plate, movable rod, lug, U type pole and stop gear, can improve the lug stability at spacing in-process, the people's of being convenient for use.
2. This fixing device is used in core assembly through movable block, movable rod and the adjustment mechanism that is equipped with, can be convenient for fix last sand mould and lower sand mould of co-altitude, has improved application scope, the people's of being convenient for use.
Drawings
Fig. 1 is a schematic view of an assembly structure of a fixing device for core assembly according to the present invention;
fig. 2 is a schematic structural view of a core assembly fixture according to the present invention;
FIG. 3 is an enlarged view of the portion A of FIG. 1;
fig. 4 is an enlarged view of a portion B of fig. 2.
In the figure: 1 upper pressing plate, 2 lower pressing plates, 3 upper sand molds, 4 lower sand molds, 5 telescopic rods, 6 movable rods, 7 movable blocks, 8 rotating shafts, 9 convex blocks, 10U-shaped rods, 11 threaded rods, 12 rotating handles, 13 limiting rods, 14 positioning blocks, 15 pull blocks, 16 rubber gaskets, 17 positioning plates, 18 damping layers and 19 handles.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, a fixing device for core assembly comprises an upper press plate 1, a lower press plate 2, and an upper sand mold 3 and a lower sand mold 4 for assembly, wherein two telescopic rods 5 are symmetrically arranged between the upper press plate 1 and the lower press plate 2, two ends of the two telescopic rods 5 are respectively fixedly connected with the side walls of the upper press plate 1 and the lower press plate 2, a movable rod 6 is fixedly connected with the center of the top of the lower press plate 2, the other end of the movable rod 6 penetrates through the side wall of the upper press plate 1 and extends outwards, a strip-shaped hole is formed in the side wall of the movable rod 6, a movable block 7 is arranged in the strip-shaped hole, the movable block 7 is connected with the movable rod 6 through an adjusting mechanism, two side walls of the movable block 7 are both rotatably connected with a bump 9 through a rotating shaft 8, a limiting mechanism is arranged on the bump 9, a U-shaped rod 10 is arranged on one side of the two bumps 9 opposite to the upper sand mold 3, and two ends, through the U-shaped pole 10 that is equipped with, press U-shaped pole 10, can make lug 9 rotate, and then make lug 9 support and move top board 1, make the top board 1 and go up the setting of propping between sand mould 3.
Adjustment mechanism includes threaded rod 11 and turning handle 12, threaded rod 11 and movable block 7 threaded connection, and the one end of threaded rod 11 runs through the lateral wall of movable block 7 and outwards extends the setting, the both ends of threaded rod 11 all rotate with the upper and lower both sides wall in bar hole respectively through the bearing and are connected, the lateral wall in bar hole is run through at the top of threaded rod 11 and outwards extends, the bottom of turning handle 12 sets up with the one end fixed connection that threaded rod 11 extends to the outside, twist threaded rod 11, because the position of bar pore pair movable block 7 is injectd, thereby twist threaded rod 5 and can make movable block 7 remove, and then make two lugs 9 remove to the assigned position, be convenient for use sand mould 3 and lower sand mould 4 to co-altitude.
Each limiting mechanism comprises a limiting rod 13 and a positioning block 14, the side wall of the bump 9 is provided with a limiting hole matched with the limiting rod 13, two ends of the limiting rod 13 penetrate through the limiting hole and extend outwards, the side wall of the limiting rod 13 is provided with a waist-shaped hole, the positioning block 14 is positioned in the waist-shaped hole, two ends of the positioning block 14 are fixedly connected with two side walls of the limiting hole respectively, the position of the limiting rod 13 can be limited through the waist-shaped hole and the positioning block 14, the limiting rod is prevented from being separated from the limiting hole, the top of the upper pressure plate 1 is provided with a limiting groove matched with the limiting rod 13, when the bump 9 rotates to a specified angle, the limiting rod 13 corresponds to the limiting groove, the limiting rod 13 can move in the limiting hole by pressing the limiting rod 13 and is inserted into the limiting groove, so that the stability of the bump 9 in the use process is improved, and the fixing effect of the upper pressure plate 1 and the lower pressure plate 2 is ensured, is convenient for people to use.
The top fixedly connected with of every gag lever post 13 draws piece 15, and every locating piece 14 all fixedly cup joints rubber gasket 16, and rubber gasket 16 offsets with waist type hole and sets up, can be convenient for draw gag lever post 13 and remove, and then makes it break away from the spacing groove.
Go up two locating plates 17 of equal symmetry fixedly connected with of lateral wall on one side of sand mould 3 and sand mould 4 back to each other, the lateral wall of top board 1 and holding down plate 2 all seted up with locating plate 17 assorted locating hole, can prevent that top board 1 and holding down plate 2 from taking place to slide.
The lateral wall of the opposite side of the upper press plate 1 and the lower press plate 2 is provided with a damping layer 18, the damping layer 18 is abutted to the upper sand mold 3 and the lower sand mold 4, and the effect of clamping between the upper press plate 1 and the lower press plate 2 and the upper sand mold 3 and the lower sand mold 4 can be further improved through the damping layer 18.
The side wall fixedly connected with handle 19 that movable rod 6 deviates from sand mould 3 one side mutually, and the surface of handle 19 has seted up anti-skidding line, can be convenient for spur fixing device's removal.
In conclusion, when the fixing device for core assembly is used, the upper pressing plate 1 and the lower pressing plate 2 are clamped on the upper sand mold 3 and the lower sand mold 4 through the upper pressing plate 1 and the lower pressing plate 2, the positioning holes and the positioning plates 17 are clamped with each other, so that the upper pressing plate 1 and the lower pressing plate 2 are prevented from sliding, the threaded rod 11 is screwed through the threaded rod 11, the threaded rod 5 is screwed because the strip-shaped holes limit the positions of the movable blocks 7, so that the movable blocks 7 can be moved by screwing the threaded rod 5, the two convex blocks 9 are moved to the specified positions, the upper sand mold 3 and the lower sand mold 4 with different heights can be conveniently used, the U-shaped rod 10 is pressed to enable the convex blocks 9 to rotate, the convex blocks 9 abut against the upper pressing plate 1 to move, the upper pressing plate 1 and the upper sand mold 3 are abutted, and when the convex blocks 9 rotate to the specified angle, the limiting rods 13 correspond to the positions of the limiting grooves, the limiting rod 13 is pressed to enable the limiting rod 13 to move in the limiting hole, so that the limiting rod is inserted into the limiting groove, the stability of the lug 9 in the using process is improved, the fixing effect of the upper pressing plate 1 and the fixing effect of the lower pressing plate 2 are guaranteed, and people can use the limiting device conveniently.
It is to be noted that the term "comprises," "comprising," or any other variation thereof is intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a fixing device is used in core assembly, includes top board (1), holding down plate (2) and be used for last sand mould (3) and lower sand mould (4) of assembly, its characterized in that: two telescopic rods (5) are symmetrically arranged between the upper pressing plate (1) and the lower pressing plate (2), and two ends of the two telescopic rods (5) are respectively fixedly connected with the side walls of the upper pressure plate (1) and the lower pressure plate (2), the center of the top of the lower pressing plate (2) is fixedly connected with a movable rod (6), the other end of the movable rod (6) penetrates through the side wall of the upper pressure plate (1) and extends outwards, the side wall of the movable rod (6) is provided with a strip-shaped hole, and a movable block (7) is arranged in the strip-shaped hole, the movable block (7) is connected with a movable rod (6) through an adjusting mechanism, two side walls of the movable block (7) are rotationally connected with a convex block (9) through a rotating shaft (8), and the lugs (9) are provided with a limiting mechanism, one side of each lug (9) which is far away from the upper sand mould (3) is provided with a U-shaped rod (10), and two ends of the U-shaped rod (10) are respectively fixedly connected with the side walls of the two convex blocks (9).
2. The core assembly fixture as set forth in claim 1, wherein: adjustment mechanism includes threaded rod (11) and turning handle (12), threaded rod (11) and movable block (7) threaded connection, and the one end of threaded rod (11) runs through the lateral wall of movable block (7) and outwards extends the setting, the both ends of threaded rod (11) all rotate with the upper and lower both sides wall in bar hole respectively through the bearing and be connected, the top of threaded rod (11) runs through the lateral wall in bar hole and outwards extends, the bottom of turning handle (12) and threaded rod (11) extend to outside one end fixed connection setting.
3. The core assembly fixture as set forth in claim 1, wherein: every stop gear all includes gag lever post (13) and locating piece (14), the lateral wall of lug (9) seted up with gag lever post (13) assorted spacing hole, the both ends of gag lever post (13) all pass spacing hole and outwards extend the setting, waist type hole has been seted up to the lateral wall of gag lever post (13), locating piece (14) are located waist type downthehole, and the both ends of locating piece (14) set up with the both sides wall fixed connection in spacing hole respectively, the top of top board (1) is seted up with gag lever post (13) assorted spacing groove.
4. A core assembly fixture according to claim 3, wherein: the top fixedly connected with of every gag lever post (13) draws piece (15), every locating piece (14) all fixed cover has connect rubber gasket (16), and rubber gasket (16) and waist type hole offset setting.
5. The core assembly fixture as set forth in claim 1, wherein: go up sand mould (3) and lower sand mould (4) lateral wall equal symmetry fixedly connected with two locating plates (17) of one side of keeping away from mutually, the locating hole with locating plate (17) assorted has all been seted up to the lateral wall of top board (1) and holding down plate (2).
6. The core assembly fixture as set forth in claim 1, wherein: the lateral wall of one side in opposite directions of the upper pressing plate (1) and the lower pressing plate (2) is provided with a damping layer (18), and the damping layer (18) is abutted to the upper sand mold (3) and the lower sand mold (4).
7. The core assembly fixture as set forth in claim 1, wherein: the side wall of one side of the movable rod (6), which deviates from the upper sand mold (3), is fixedly connected with a handle (19), and anti-skid grains are arranged on the surface of the handle (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198625.2A CN110976779A (en) | 2019-11-29 | 2019-11-29 | Fixing device for core assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911198625.2A CN110976779A (en) | 2019-11-29 | 2019-11-29 | Fixing device for core assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110976779A true CN110976779A (en) | 2020-04-10 |
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ID=70088291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911198625.2A Pending CN110976779A (en) | 2019-11-29 | 2019-11-29 | Fixing device for core assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110976779A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139460A (en) * | 2020-09-23 | 2020-12-29 | 共享智能铸造产业创新中心有限公司 | Core clamping and pressing method and clamping and pressing device thereof |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB468696A (en) * | 1936-01-06 | 1937-07-06 | Winget Ltd | Improvements in or relating to means for clamping in position the loose walls of mould boxes |
| US2581040A (en) * | 1947-10-03 | 1952-01-01 | Mullenbach William | Cam actuated adjustable mold clamp |
| CN202717816U (en) * | 2012-06-13 | 2013-02-06 | 成都市劳力乐机械工具制造有限公司 | Screw die quenching clamp of threading machine |
| CN203470848U (en) * | 2013-09-28 | 2014-03-12 | 上海宝钢铸造有限公司 | Portable mould closing clip |
| CN105499654A (en) * | 2014-09-22 | 2016-04-20 | 池州扬帆微电机有限责任公司 | Foot hole drill jig device for seat |
| CN105583651A (en) * | 2014-10-22 | 2016-05-18 | 西安志越机电科技有限公司 | Eccentric clamping device for drilling |
| CN207522443U (en) * | 2017-11-30 | 2018-06-22 | 烟台天成机械有限公司 | A kind of centering type fast clamping tool |
| CN108788021A (en) * | 2018-06-20 | 2018-11-13 | 四川共享铸造有限公司 | Core fastening device for assembling |
-
2019
- 2019-11-29 CN CN201911198625.2A patent/CN110976779A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB468696A (en) * | 1936-01-06 | 1937-07-06 | Winget Ltd | Improvements in or relating to means for clamping in position the loose walls of mould boxes |
| US2581040A (en) * | 1947-10-03 | 1952-01-01 | Mullenbach William | Cam actuated adjustable mold clamp |
| CN202717816U (en) * | 2012-06-13 | 2013-02-06 | 成都市劳力乐机械工具制造有限公司 | Screw die quenching clamp of threading machine |
| CN203470848U (en) * | 2013-09-28 | 2014-03-12 | 上海宝钢铸造有限公司 | Portable mould closing clip |
| CN105499654A (en) * | 2014-09-22 | 2016-04-20 | 池州扬帆微电机有限责任公司 | Foot hole drill jig device for seat |
| CN105583651A (en) * | 2014-10-22 | 2016-05-18 | 西安志越机电科技有限公司 | Eccentric clamping device for drilling |
| CN207522443U (en) * | 2017-11-30 | 2018-06-22 | 烟台天成机械有限公司 | A kind of centering type fast clamping tool |
| CN108788021A (en) * | 2018-06-20 | 2018-11-13 | 四川共享铸造有限公司 | Core fastening device for assembling |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112139460A (en) * | 2020-09-23 | 2020-12-29 | 共享智能铸造产业创新中心有限公司 | Core clamping and pressing method and clamping and pressing device thereof |
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| PB01 | Publication | ||
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Application publication date: 20200410 |