CN110722114A - Sand box fastening tool and sand box fastening method - Google Patents
Sand box fastening tool and sand box fastening method Download PDFInfo
- Publication number
- CN110722114A CN110722114A CN201911012214.XA CN201911012214A CN110722114A CN 110722114 A CN110722114 A CN 110722114A CN 201911012214 A CN201911012214 A CN 201911012214A CN 110722114 A CN110722114 A CN 110722114A
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- China
- Prior art keywords
- sand box
- base
- fastening
- cross beam
- fastening bolt
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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)
- Connection Of Plates (AREA)
Abstract
The invention discloses a sand box fastening tool and a sand box fastening method, wherein each sand box fastening tool group comprises a base, two fastening bolts, a cross beam, two sizing blocks and a plurality of wedges, the two fastening bolts are oppositely arranged in parallel, the base is clamped and arranged in the lower ends of the two fastening bolts, the cross beam is clamped and connected in the upper ends of the two fastening bolts through the two sizing blocks in a height-adjustable manner, a frame-shaped structure for clamping a sand box with a rectangular cross section is formed by the base, the fastening bolts and the cross beam, and the tightness is adjusted through the plurality of wedges. This fastening frock has strengthened the sand box and has preapred for an unfavorable turn of events the deformability under the prerequisite that does not change original sand box rigidity, has reduced the die cavity tendency that expands. Meanwhile, the fastening operation method is simple and convenient, the sand box is fastened reliably, the sand box can be prevented from deforming, and the efficiency is high.
Description
Technical Field
The invention relates to a sand box fastening technology, in particular to a sand box fastening tool and a sand box fastening method.
Background
In order to fully utilize graphitization self-feeding, the gray cast iron and the nodular cast iron need high sand box rigidity to prevent cavity expansion caused by graphitization expansion. For a long sand box, deformation and expansion of the sand box cannot be prevented only by using a method of fastening with a weight and a bolt.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a sand box fastening tool and a sand box fastening method, which can solve the problem that a long sand box is easy to deform and swell after a casting is poured.
The purpose of the invention is realized by adopting the following technical scheme:
the utility model provides a sand box fastening frock, every group sand box fastening frock includes a base, two fastening bolts, a crossbeam, two parallels and a plurality of drift, two the relative parallel arrangement of fastening bolt, the setting of base joint is inside two the lower extreme of fastening bolt, the crossbeam passes through two the joint of drift height-adjustable is inside two the upper end of fastening bolt, by base, fastening bolt and crossbeam form the frame-shaped structure including the sand box centre gripping of rectangular cross section, and through a plurality of drift adjusts the tightness.
Preferably, the fastening bolt comprises two pin columns arranged in parallel at intervals, top plates arranged at the upper ends of the two pin columns and bottom feet arranged at the lower ends of the two pin columns, a plurality of positioning convex blocks are formed by outwards protruding the outer side surfaces of the upper parts of the two pin columns, and the base and the cross beam are movably positioned and inserted in the pin column interval between the two pin columns.
Preferably, the base comprises a base transverse plate and a base vertical plate arranged on the central line of the upper plate surface of the base transverse plate, two ends of the base vertical plate protrude outwards from two ends of the base transverse plate and protrude downwards from two ends of the base vertical plate to form a base clamping head, and therefore two end parts of the base vertical plate are clamped at the lower parts of the pin intervals of the two oppositely arranged pins.
Preferably, the cross beam comprises a horizontal beam rod and a cross beam clamping joint formed by protruding upwards from the end of the horizontal beam rod, and the cross beam is positioned at the upper part of the pin interval of the fastening bolt through the cross beam clamping joint, the sizing block and the positioning lug.
Preferably, the sizing block is a square cross-section bar matched with the beam clamp joint and the positioning bump.
Preferably, a plurality of the wedges are wedge-shaped fasteners which are narrow at one end and wide at the other end.
The invention also provides a method for fastening the sand box by adopting the multiple groups of fastening tools, which comprises the following steps:
① designing a sand box fastening tool and manufacturing the fastening tool;
② placing multiple groups of fastening tool bases on a casting site at intervals of 1-2 m;
③ placing the sand box on the base, closing and locking the box;
④ crossbeam is placed on the sand box and corresponding to the base;
⑤ hollow fastening bolts respectively penetrate through the base and the cross beam to connect the base and the cross beam, and are aligned with the sides of the sand box, and the preliminary fixation is completed by using sizing blocks;
⑥ placing a weight on the beam;
⑦, the wedge iron is used for pounding the gaps between the fastening bolt and the base, between the fastening bolt and the beam, and between the fastening bolt and the sand box, so as to finish the fastening of the sand box in the height direction and the width direction;
⑧ when the box needs to be opened, the wedge is broken to loosen the fastening tool.
Compared with the prior art, the invention has the beneficial effects that: the fastening frock of this application, under the prerequisite that does not change original sand box rigidity, strengthened the sand box and prevented the deformability, reduced the die cavity tendency that expands. Simultaneously, easy operation is convenient, and the sand box fastening is reliable, can prevent that the sand box from warping, and is efficient.
Drawings
FIG. 1 is a schematic view of the flask assembly fastening of the present invention;
FIG. 2 is a schematic view of a set of fastening tools;
FIG. 3 is a schematic view of a fastening bolt;
FIG. 4 is a schematic view of a base;
fig. 5 is a schematic view of a cross beam.
In the figure: 1. a base; 11. a base transverse plate; 12. a base vertical plate; 13. a base snap joint; 2. a cross beam; 21. a horizontal beam; 22. a beam clamp joint; 3. fastening a bolt; 31. a pin; 32. positioning the bump; 33. a top plate; 34. footing; 35. pin spacing; 4. sizing block; 5. a wedge iron; 6. a sand box; 7. and (5) pressing iron.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 1-5, a sand box fastening tool, a set of sand box fastening tools includes a base 1, two fastening pins 3, a cross beam 2, two sizing blocks 4 and a plurality of wedges 5, the two fastening pins 3 are arranged in parallel, the base 1 is clamped inside the lower ends of the two fastening pins 3, the cross beam 2 is clamped inside the upper ends of the two fastening pins 3 through the two sizing blocks 4 with adjustable height, a frame structure for clamping a sand box 6 with a rectangular cross section is formed by the base 1, the fastening pins 3 and the cross beam 2, and the tightness is adjusted through the plurality of wedges 5.
Fastening bolt
The fastening bolt 3 comprises two parallel pins 31 arranged at intervals, a top plate 33 arranged at the upper ends of the two pins 31 and a bottom foot 34 arranged at the lower ends of the two pins 31, a plurality of positioning lugs 32 are formed by outwards protruding the outer side surfaces of the upper parts of the two pins 31, and the base 1 and the cross beam 2 are movably positioned and inserted in a pin interval 35 between the two pins 31.
In the present embodiment, two positioning projections 32 are provided at intervals. The stud spaces 35 allow the fastening plug 3 to be arranged hollow.
Base seat
Cross beam
The cross beam 2 comprises a horizontal beam rod 21 and a cross beam clamping joint 22 formed by protruding upwards from the end part of the horizontal beam rod 21, and the cross beam 2 is positioned at the upper part of a pin column space 35 of the fastening bolt 3 through the cross beam clamping joint 22, the sizing block 4 and the positioning lug 32.
Sizing block
The sizing block 4 is a square section bar which is matched with the beam clamping joint 22 and the positioning lug 32. Each sand box fastening tool is provided with two sizing blocks 4.
Wedge iron
The plurality of wedges 5 are wedge-shaped fasteners with one narrow end and one wide end, the number of the wedges 5 is not limited, and the wedges are used according to actual gap requirements among the base 1, the fastening bolt 3, the cross beam 2 and the sand box 6.
In this embodiment, the flask fastening tools are arranged in five groups in parallel.
The invention also provides a method for fastening the sand box by adopting the multiple groups of fastening tools, which comprises the following steps:
① designing a sand box fastening tool and manufacturing the fastening tool;
② placing multiple groups of bases 1 of the fastening tool in a casting place at intervals of 1-2 m;
③ placing the sand box 6 on the base 1 to close and lock the box;
④ crossbeam 2 is placed on the sand box 6 and corresponding to the base 1;
⑤ hollow fastening bolt 3 respectively penetrates through the base 1 and the beam 2 to connect the base 1 and the beam 2, and is aligned with the edge of the sand box 6, and the sizing block 4 is used to complete the preliminary fixation;
⑥ a weight 7 is arranged on the beam 2;
⑦, the wedge 5 is used for pounding the gaps between the fastening bolt 3 and the base 1, the fastening bolt 3 and the beam 2, and the fastening bolt 3 and the sand box 6 to finish the fastening of the sand box 6 in the height direction and the width direction;
⑧ when the box needs to be opened, the wedge 5 is broken to loosen the fastening tool.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides a sand box fastening frock which characterized in that: a set of sand box fastening frock includes a base (1), two fastening bolt (3), a crossbeam (2), two parallels (4) and a plurality of drift (5), two the relative parallel arrangement of fastening bolt (3), the setting of base (1) joint is two inside the lower extreme of fastening bolt (3), crossbeam (2) are through two the joint of drift (4) height-adjustable is two inside the upper end of fastening bolt (3), by base (1), fastening bolt (3) and crossbeam (2) form the frame structure including sand box (6) centre gripping of rectangular cross section, and through a plurality of drift (5) carry out the tightness and adjust.
2. The sand box fastening tool of claim 1, wherein: the fastening bolt (3) comprises two parallel pin columns (31) arranged at intervals, a top plate (33) arranged at the upper ends of the two pin columns (31) and a bottom foot (34) arranged at the lower end of the two pin columns (31), a plurality of positioning convex blocks (32) are formed by outwards protruding the outer side surfaces of the upper parts of the two pin columns (31), and the base (1) and the cross beam (2) are movably positioned and inserted in a pin column interval (35) between the two pin columns (31).
3. The sand box fastening tool of claim 2, wherein: the base (1) comprises a base transverse plate (11) and a base vertical plate (12) arranged on the center line of the upper plate surface of the base transverse plate (11), wherein two ends of the base vertical plate (12) outwards protrude out of two ends of the base transverse plate (11) and downwards protrude out of two ends of the base vertical plate (12) to form a base clamping head (13), and therefore two end parts of the base vertical plate (12) are clamped at the lower parts of pin column intervals (35) of two oppositely-arranged pin columns (31).
4. The sand box fastening tool according to claim 2 or 3, characterized in that: the cross beam (2) comprises a horizontal beam rod (21) and a cross beam clamping joint (22) formed by upwards protruding from the end part of the horizontal beam rod (21), and the cross beam (2) is positioned on the upper part of a pin column interval (35) of the fastening bolt (3) through the cross beam clamping joint (22), the sizing block (4) and the positioning lug (32).
5. The sand box fastening tool of claim 4, wherein: the sizing block (4) is a square section bar matched with the beam clamp joint (22) and the positioning bump (32).
6. The sand box fastening tool of claim 1, wherein: the wedge irons (5) are wedge-shaped fasteners with one narrow end and one wide end.
7. A method for fastening sand boxes by adopting a plurality of sand box fastening tools according to claim 4, which is characterized by comprising the following steps:
① designing a sand box fastening tool and manufacturing the fastening tool;
② placing multiple groups of bases (1) of the fastening tool in a casting place at intervals of 1-2 m;
③ placing the sand box (6) on the base (1) to close and lock the box;
④ the cross beam (2) is placed on the sand box (6) and corresponds to the base (1);
⑤ hollow fastening bolt (3) respectively penetrates through the base (1) and the beam (2) to connect the base (1) and the beam (2), and is aligned with the edge of the sand box (6), and the sizing block (4) is used to complete the preliminary fixation;
⑥ a cross beam (2) is provided with a weight (7);
⑦, the wedge (5) is used for pounding the gaps between the fastening bolt (3) and the base (1), the fastening bolt (3) and the beam (2), and the fastening bolt (3) and the sand box (6) tightly, thus completing the fastening of the sand box (6) in the height direction and the width direction;
⑧ when the box needs to be opened, the wedge (5) is broken to loosen the fastening tool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012214.XA CN110722114A (en) | 2019-10-23 | 2019-10-23 | Sand box fastening tool and sand box fastening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911012214.XA CN110722114A (en) | 2019-10-23 | 2019-10-23 | Sand box fastening tool and sand box fastening method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110722114A true CN110722114A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911012214.XA Pending CN110722114A (en) | 2019-10-23 | 2019-10-23 | Sand box fastening tool and sand box fastening method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203448626U (en) * | 2013-06-19 | 2014-02-26 | 丹寨县真山机电有限公司 | Shelf of process equipment for manufacturing sand boxes for castings |
| CN203448630U (en) * | 2013-06-19 | 2014-02-26 | 丹寨县真山机电有限公司 | Process equipment for manufacturing sand boxes for castings |
| CN109290521A (en) * | 2018-09-19 | 2019-02-01 | 共享装备股份有限公司 | A kind of type core gripping mechanism |
| CN109365755A (en) * | 2018-09-19 | 2019-02-22 | 共享装备股份有限公司 | A kind of type core gripping mechanism |
| CN209349468U (en) * | 2018-12-29 | 2019-09-06 | 安顺学院 | A kind of more case sand core positioning tools |
| CN209349467U (en) * | 2019-01-16 | 2019-09-06 | 龙口市和义机械配件有限公司 | A kind of sand casting polytypic collocation quick change tooling |
-
2019
- 2019-10-23 CN CN201911012214.XA patent/CN110722114A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203448626U (en) * | 2013-06-19 | 2014-02-26 | 丹寨县真山机电有限公司 | Shelf of process equipment for manufacturing sand boxes for castings |
| CN203448630U (en) * | 2013-06-19 | 2014-02-26 | 丹寨县真山机电有限公司 | Process equipment for manufacturing sand boxes for castings |
| CN109290521A (en) * | 2018-09-19 | 2019-02-01 | 共享装备股份有限公司 | A kind of type core gripping mechanism |
| CN109365755A (en) * | 2018-09-19 | 2019-02-22 | 共享装备股份有限公司 | A kind of type core gripping mechanism |
| CN209349468U (en) * | 2018-12-29 | 2019-09-06 | 安顺学院 | A kind of more case sand core positioning tools |
| CN209349467U (en) * | 2019-01-16 | 2019-09-06 | 龙口市和义机械配件有限公司 | A kind of sand casting polytypic collocation quick change tooling |
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Application publication date: 20200124 |