CN219851998U - Efficient sand-shooting core box with calipers - Google Patents
Efficient sand-shooting core box with calipers Download PDFInfo
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- CN219851998U CN219851998U CN202320081796.2U CN202320081796U CN219851998U CN 219851998 U CN219851998 U CN 219851998U CN 202320081796 U CN202320081796 U CN 202320081796U CN 219851998 U CN219851998 U CN 219851998U
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- die holder
- sand
- lower die
- upper die
- shooting
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- 239000004576 sand Substances 0.000 claims abstract description 89
- 238000010438 heat treatment Methods 0.000 claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 abstract description 16
- 230000004308 accommodation Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 2
- 230000003670 easy-to-clean Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000007528 sand casting Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The utility model discloses a high-efficiency sand-shooting core box of a caliper, which comprises an upper die holder and a lower die holder which are matched with each other, wherein a plurality of lower die cavities are arranged in the lower die holder in a staggered manner, and upper die cavities are respectively arranged in the upper die holder corresponding to each lower die cavity; each pair of the lower die cavity and the upper die cavity are respectively connected with a sand shooting channel at the parting surface, and the sand shooting channels respectively extend to the side walls of the lower die holder and the upper die holder; and a plurality of heating pipe channels are respectively arranged in the upper die holder and the lower die holder, and horizontally penetrate through the upper die holder and the lower die holder respectively. The high-efficiency sand-shooting core box with the calipers can reasonably utilize the space of the upper die and the lower die through staggered horizontal arrangement of the lower die cavity and the upper die cavity, so that a production mode of eight parts of one die is formed, and the production efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of casting production of automobile parts, in particular to a high-efficiency sand-shooting core box of calipers.
Background
The caliper body is one of main parts on the hydraulic disc brake of the automobile, is matched with a brake piston, a brake disc, a friction plate, a caliper bracket and the like for use after being processed, and is used for braking of the automobile, and directly relates to the safety performance of the automobile, so that the design standard of the caliper body has very strict requirements. Usually, the caliper body is produced by sand casting, and a sand core of the caliper body is required to be manufactured by a sand shooting machine.
The existing sand core uses a vertical core box, one mould is two or one mould is three, each time the sand core is connected, the temperature is high, the efficiency is low, the sand injection port is vertically downward, and the problems of sand leakage, unsatisfactory injection and the like are difficult to solve.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a caliper efficient sand-shooting core box.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the high-efficiency sand-shooting core box comprises an upper die holder and a lower die holder which are matched with each other, wherein a plurality of lower die cavities are arranged in the lower die holder in a staggered manner, and upper die cavities are respectively arranged in the upper die holder corresponding to each lower die cavity; each pair of the lower die cavity and the upper die cavity are respectively connected with a sand shooting channel at the parting surface, and the sand shooting channels respectively extend to the side walls of the lower die holder and the upper die holder; the upper die holder and the lower die holder are internally provided with a plurality of heating pipe channels respectively, the heating pipe channels respectively penetrate through the upper die holder and the lower die holder horizontally, and the heating pipe channels are respectively positioned below the lower die cavity and above the upper die cavity.
This high-efficient sand core box of calliper is through the staggered arrangement the lower die cavity with go up the die cavity can set up the die cavity in many in the core box of same size, lower die cavity and the last die cavity of horizontal setting can obtain the foundry sand core of horizontal, and such arrangement can save more space for a mould can make a lot of pieces, has improved production efficiency.
And each sand core cavity is provided with only one sand shooting channel at the parting surface of the upper die base and the lower die base, so that the number of the sand shooting channels can be effectively reduced, and the sand shooting structure is optimized.
The upper cavity and the lower cavity are respectively provided with a plurality of heating pipe channels, heating pipes can be installed in the heating pipe channels, the upper cavity and the lower cavity are heated simultaneously, and the penetrating heating pipe channels can cover the upper cavity and the lower cavity, so that the upper cavity and the lower cavity are heated uniformly, and the production efficiency of the sand core is improved.
The upper die holder and the lower die holder are basically identical in structure, so that on one hand, the manufacturing and assembling difficulties of the upper die holder and the lower die holder can be reduced, on the other hand, the upper die holder and the lower die holder can be matched better, the sizes and positions of the upper die cavity and the lower die cavity are easy to correspond, and the deviation after die assembly is small.
Further, the lower cavities are symmetrically arranged in two rows, four lower cavities are arranged in each row in a staggered mode. By adopting the arrangement, the production purpose of one die for eight parts can be realized, and the mass production efficiency of the caliper sand core is greatly improved.
Further, the sand shooting channels are parallel and horizontally arranged; the sand shooting channel is a circular channel and is arranged on the lower die holder and the upper die holder in a half way.
The sand shooting channel is arranged on the upper die holder and the lower die holder in a halving way and corresponds to the middle position of the sand core die cavity, so that sand can be shot into the upper die cavity and the lower die cavity uniformly in the sand shooting process, and the situations of incomplete sand shooting and sand leakage are reduced; meanwhile, the sand shooting channel which is opened and closed in half is easy to clean after the die is opened, so that the situation that the sand shooting channel is difficult to clean and is blocked is avoided.
Further, a plurality of exhaust gaps are arranged between the upper die holder and the lower die holder, and the exhaust gaps are 0.1-0.3 mm. By utilizing the tiny exhaust gaps, gas in the upper cavity and the lower cavity can be rapidly discharged in the sand shooting process, so that space can be rapidly reserved for sand on one hand, shooting is ensured, and complex exhaust paths are avoided on the other hand. Typically the sand particles have a diameter larger than this exhaust gap and do not enter these.
The exhaust gaps are realized by arranging small height differences on the parting surfaces of the upper die holder and the lower die holder, for example, the heights of four corners of the lower die holder are 0.1mm higher than the parting surfaces (parting surfaces), and the exhaust gaps and the exhaust channels can be formed after the upper die holder is clamped.
Furthermore, the heating pipe channels in the upper die holder and the lower die holder are vertically parallel and are correspondingly arranged one by one, 3 to 6 heating pipe channels are respectively arranged in the upper die holder or the lower die holder at equal intervals, and the heating pipe channels are regularly arranged at equal intervals, so that the heating uniformity is improved; the heating pipe channels are arranged perpendicular to the sand shooting channels so as to stagger the sand shooting plates on two sides.
Furthermore, the upper die holder and the lower die holder are correspondingly provided with a plurality of groups of positioning pin sleeves at the parting surface, and the accuracy of die assembly of the upper die holder and the lower die holder can be ensured by utilizing the positioning pin sleeves and the positioning pins.
Furthermore, the two side walls of the upper die holder and the lower die holder are respectively and correspondingly arranged with a sand shooting plate, and sand shooting openings are respectively arranged on the sand shooting plate corresponding to each sand shooting channel. The sand shooting plate is connected and installed on the sand shooting machine, and after the sand shooting machine is assembled, the sand shooting channels just can correspond to the sand shooting ports one by one, so that sand can be shot accurately and rapidly.
Furthermore, the two sides of the upper die holder and the lower die holder are respectively provided with an outward flange, the outward flange is provided with a plurality of connecting grooves, and the outward flange is used for installing the upper die holder and the lower die holder on a sand shooting machine.
The arrangement does not occupy the body space and the position of the upper die holder and the lower die holder, and after the arrangement is arranged on the sand shooting machine, the die can be assembled or separated up and down under the control of the power part, so that the arrangement structure of the upper and lower parting side sand shooting is realized.
Further, the upper die holder with the one side that the parting was kept away from in the middle part of die holder is equipped with the accommodation groove respectively, be equipped with ejector pin board subassembly in the accommodation groove, ejector pin board subassembly includes the bottom plate, and sets up ejector pin board on the bottom plate, be equipped with bracing piece, ejector pin, return stroke ejector pin and psammitolite ejector pin on the ejector pin board at least.
The setting of accommodation groove conveniently holds and arranges the ejector pin board subassembly utilizes various ejector pins in the ejector pin board subassembly to core box divides the mould, and the drawing of patterns of psammitolite.
Compared with the prior art, the utility model has the beneficial effects that: 1. the caliper efficient sand-shooting core box is characterized in that the lower cavity and the upper cavity are arranged in a staggered manner, so that the cavities can be arranged in the core box with the same size, the horizontally arranged lower cavity and upper cavity can obtain a horizontally arranged casting sand core, the arrangement can save more space, a production mode of one die eight parts is formed, and the production efficiency is improved; 2. only one sand shooting channel is used for each sand core cavity at the parting surface of the upper die base and the lower die base, so that the number of sand shooting channels can be effectively reduced, and the sand shooting structure is optimized; 3. the upper cavity and the lower cavity are respectively provided with a plurality of heating pipe channels, heating pipes can be installed in the heating pipe channels to heat the upper cavity and the lower cavity simultaneously, and the penetrating heating pipe channels can cover each upper cavity and each lower cavity, so that the upper cavity and the lower cavity are heated uniformly, and the production efficiency of the sand core is improved; 4. by utilizing the tiny exhaust gaps, the gas in the upper cavity and the lower cavity can be rapidly discharged in the sand shooting process, so that a space is rapidly reserved for sand, and the shooting is ensured.
Drawings
FIG. 1 is a schematic view of the overall structure of a high efficiency sand shooting core box of the present utility model;
FIG. 2 is a schematic view of a lower die holder of a high-efficiency sand-shooting core box with calipers according to the present utility model;
FIG. 3 is a schematic view of the upper die holder of the high-efficiency sand-shooting core box with calipers according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a high efficiency sand shooting core box of the present utility model;
FIG. 5 is a schematic longitudinal cross-sectional view of a high efficiency sand shooting core box of the present utility model;
in the figure: 1. a lower die holder; 101. a lower cavity; 2. an upper die holder; 201. an upper cavity; 3. a sand shooting channel; 4. a heating tube channel; 5. an exhaust gap; 6. a flanging; 7. a connecting groove; 8. a top rod plate assembly; 9. positioning pin sleeves.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on embodiments of the present utility model, are within the scope of the present utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "middle", "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
As shown in fig. 1 to 5, the high-efficiency sand core box of the caliper comprises an upper die holder 2 and a lower die holder 1 which are matched with each other, wherein a plurality of lower die cavities 101 are arranged in the lower die holder 1 in a staggered manner, and upper die cavities 201 are respectively arranged in the upper die holder 2 corresponding to each lower die cavity 101; each pair of the lower cavity 101 and the upper cavity 201 are respectively connected with a sand shooting channel 3 at a parting surface, and the sand shooting channels 3 respectively extend to the side walls of the lower die holder 1 and the upper die holder 2; the upper die holder 2 and the lower die holder 1 are respectively internally provided with a plurality of heating pipe channels 4, the heating pipe channels 4 respectively penetrate through the upper die holder 2 and the lower die holder 1 horizontally, and the heating pipe channels 4 are positioned below the lower die cavity 101 and above the upper die cavity 201.
This high-efficient sand core box of calliper is through the staggered arrangement lower die cavity 101 with go up die cavity 201 can set up the die cavity in many in the core box of same size, and the lower die cavity 101 and the last die cavity 201 of lying setting can obtain the foundry sand core of lying, and such arrangement can save more space for a mould can make a lot of pieces, has improved production efficiency.
And each sand core cavity is provided with only one sand shooting channel 3 at the parting surface of the upper die base and the lower die base, so that the number of sand shooting channels can be effectively reduced, and the sand shooting structure is optimized.
The upper cavity 201 and the lower cavity 101 are respectively provided with the plurality of heating pipe channels 4, heating pipes can be installed in the heating pipe channels 4 to heat the upper cavity and the lower cavity simultaneously, and the penetrating heating pipe channels can cover each upper cavity and each lower cavity, so that the upper cavity and the lower cavity are heated uniformly, and the production efficiency of the sand core is improved.
The upper die holder 2 and the lower die holder 1 have basically the same structure, so that on one hand, the manufacturing and assembling difficulties of the upper die holder and the lower die holder can be reduced, on the other hand, the upper die holder and the lower die holder can be matched better, the sizes and the positions of the upper die cavity and the lower die cavity are easy to correspond, and the deviation after die assembly is small.
Further, the lower cavities 101 are symmetrically arranged in two rows, four lower cavities are arranged in each row, and four lower cavities are arranged in a staggered manner. By adopting the arrangement, the production purpose of one die for eight parts can be realized, and the mass production efficiency of the caliper sand core is greatly improved.
Further, the sand shooting channels 3 are parallel and horizontally arranged; the sand shooting channel 3 is a circular channel and is arranged on the lower die holder 1 and the upper die holder 2 in half.
The sand shooting channel 3 is arranged on the upper die holder and the lower die holder in a halving way and corresponds to the middle position of the sand core die cavity, so that sand can be shot into the upper die cavity and the lower die cavity uniformly in the sand shooting process, and the situations of incomplete sand shooting and sand leakage are reduced; meanwhile, the sand shooting channel which is opened and closed in half is easy to clean after the die is opened, so that the situation that the sand shooting channel is difficult to clean and is blocked is avoided.
Further, a plurality of exhaust gaps 5 are further arranged between the upper die holder 2 and the lower die holder 1, and the exhaust gaps 5 are 0.1-0.3 mm. By utilizing the tiny exhaust gaps 5, gas in the upper cavity and the lower cavity can be rapidly discharged in the sand shooting process, so that space can be rapidly reserved for sand on one hand, shooting is ensured, and complex exhaust paths are avoided on the other hand. Typically the sand particles have a diameter larger than this exhaust gap and do not enter these.
The exhaust gap 5 is realized by providing a small height difference on the parting surface of the upper die holder 2 and the lower die holder 1, for example, the heights of four corners of the lower die holder 1 are 0.1mm higher than the parting surface (parting surface), and the exhaust gap and the exhaust channel can be formed after the die is clamped with the upper die holder 2.
Furthermore, the heating pipe channels 4 in the upper die holder 2 and the lower die holder 1 are vertically parallel and are arranged in a one-to-one correspondence manner, and 5 heating pipe channels are respectively arranged in each upper die holder 2 or the lower die holder 1 at equal intervals and regularly arranged at equal intervals, so that the heating uniformity is improved; the heating pipe channels 4 are arranged perpendicular to the direction of the sand shooting channel 3 so as to stagger the sand shooting plates at two sides.
Furthermore, the upper die holder 2 and the lower die holder 1 are provided with a plurality of sets of positioning pin sleeves 9 in a one-to-one correspondence at the parting surface, and the accuracy of die assembly of the upper die holder and the lower die holder can be ensured by the aid of the positioning pin sleeves 9 and the positioning pins.
Furthermore, the two side walls of the upper die holder 2 and the lower die holder 1 are respectively arranged corresponding to sand shooting plates, and sand shooting openings are respectively arranged on the sand shooting plates corresponding to each sand shooting channel 3. The sand shooting plates are connected and installed on a sand shooting machine (not shown in the figure), and after the sand shooting plates are assembled, the sand shooting channels 3 just can be in one-to-one correspondence with each sand shooting opening so as to accurately and quickly shoot sand.
Further, two sides of the upper die holder 2 and the lower die holder 1 are respectively provided with a flanging 6, the flanging 6 is provided with a plurality of connecting grooves 7, and the flanging 6 utilizes the connecting grooves 7 to mount the upper die holder 2 and the lower die holder 1 on a sand shooting machine. The front surfaces of the upper die holder 2 and the lower die holder 1 are also respectively provided with nameplates of an upper die and a lower die.
The arrangement does not occupy the body space and the position of the upper die holder and the lower die holder, and after the arrangement is arranged on the sand shooting machine, the die can be assembled or separated up and down under the control of the power part, so that the arrangement structure of the upper and lower parting side sand shooting is realized.
Further, the upper die holder 2 with the one side that the die joint was kept away from in the middle part of die holder 1 is equipped with the accommodation groove respectively, be equipped with ejector pin board subassembly 8 in the accommodation groove, ejector pin board subassembly 8 includes the bottom plate, and sets up ejector pin board on the bottom plate, be equipped with bracing piece, return stroke ejector pin and psammitolite ejector pin etc. on the ejector pin board at least.
The setting of accommodation groove conveniently holds and arranges ejector pin plate subassembly 8 utilizes various ejector pins in the ejector pin plate subassembly 8 to core box divides the mould, and the drawing of patterns of psammitolite, and the setting mode of these ejector pins is little different with the ejector pin setting mode of original core box, only difference in quantity and the position.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The high-efficiency sand-shooting core box comprises an upper die holder and a lower die holder which are matched with each other, and is characterized in that a plurality of lower die cavities are arranged in the lower die holder in a staggered manner, and upper die cavities are respectively arranged in the upper die holder corresponding to each lower die cavity; each pair of the lower die cavity and the upper die cavity are respectively connected with a sand shooting channel at the parting surface, and the sand shooting channels respectively extend to the side walls of the lower die holder and the upper die holder; the upper die holder and the lower die holder are internally provided with a plurality of heating pipe channels respectively, the heating pipe channels respectively penetrate through the upper die holder and the lower die holder horizontally, and the heating pipe channels are respectively positioned below the lower die cavity and above the upper die cavity.
2. The high-efficiency sand-shooting core box with calipers according to claim 1, wherein the lower cavities are symmetrically arranged in two rows, four lower cavities are arranged in a staggered manner.
3. The caliper high efficiency sand shooting core box of claim 1 wherein a plurality of said sand shooting channels are arranged in parallel and horizontally; the sand shooting channel is a circular channel and is arranged on the lower die holder and the upper die holder in a half way.
4. The high-efficiency sand-shooting core box of calipers according to claim 1, wherein a plurality of exhaust gaps are further arranged between the upper die holder and the lower die holder, and the exhaust gaps are 0.1-0.3 mm.
5. The high-efficiency sand-shooting core box with calipers according to claim 1, wherein the heating pipe channels in the upper die holder and the lower die holder are arranged in parallel up and down and in one-to-one correspondence, 3-6 heating pipe channels are respectively arranged in each upper die holder or lower die holder at equal intervals, and the heating pipe channels are arranged perpendicular to the direction of the sand-shooting channels.
6. The high efficiency sand shooting core box of the caliper according to claim 1, wherein the upper die base and the lower die base are further provided with a plurality of sets of positioning pin sleeves in a one-to-one correspondence at the parting surface.
7. The high-efficiency sand-shooting core box with calipers according to claim 1, wherein two side walls of the upper die holder and the lower die holder are respectively arranged corresponding to a sand shooting plate, and a sand shooting port is respectively arranged on the sand shooting plate corresponding to each sand shooting channel.
8. The high-efficiency sand-shooting core box with calipers according to claim 1, wherein two sides of the upper die holder and the lower die holder are respectively provided with a turned-out edge, a plurality of connecting grooves are arranged on the turned-out edge, and the turned-out edge is used for installing the upper die holder and the lower die holder on a sand shooting machine.
9. The high-efficiency sand-shooting core box of calipers according to claim 1, wherein the surfaces of the upper die holder and the lower die holder, which are far away from the parting surface, are respectively provided with an accommodating groove, an ejector rod plate assembly is arranged in the accommodating groove, the ejector rod plate assembly comprises a bottom plate and an ejector rod plate arranged on the bottom plate, and the ejector rod plate is at least provided with a supporting rod, an ejector rod, a return ejector rod and a sand core ejector rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081796.2U CN219851998U (en) | 2023-01-12 | 2023-01-12 | Efficient sand-shooting core box with calipers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320081796.2U CN219851998U (en) | 2023-01-12 | 2023-01-12 | Efficient sand-shooting core box with calipers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219851998U true CN219851998U (en) | 2023-10-20 |
Family
ID=88318878
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320081796.2U Active CN219851998U (en) | 2023-01-12 | 2023-01-12 | Efficient sand-shooting core box with calipers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219851998U (en) |
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2023
- 2023-01-12 CN CN202320081796.2U patent/CN219851998U/en active Active
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