CN208644024U - A kind of hardened sand mould positioning pin with venting plug - Google Patents
A kind of hardened sand mould positioning pin with venting plug Download PDFInfo
- Publication number
- CN208644024U CN208644024U CN201821153032.5U CN201821153032U CN208644024U CN 208644024 U CN208644024 U CN 208644024U CN 201821153032 U CN201821153032 U CN 201821153032U CN 208644024 U CN208644024 U CN 208644024U
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- positioning pin
- positioning
- venting plug
- die joint
- pit
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Abstract
The utility model discloses a kind of hardened sand mould positioning pin with venting plug, including the pit positioning pin of cope plate die joint is arranged in and the raised positioning pin of lower template die joint is arranged in, the bottom centre of pit positioning pin is provided with venting plug, the top center of raised positioning pin is provided with venting plug, when hardening sand molding, the pit positioning pin of cope plate forms the positioning protrusion of sand mold die joint, the raised positioning pin of lower template forms the location dimples of lower sand mold die joint, and when upper and lower sand mold mould assembling passes through positioning protrusion and the mould assembling of location dimples precise positioning.The mould positioning pin is made using high-intensitive engineering plastics and according to universal standard positioning pin size, structure is simple, it is easy to make, positioning is reliable, avoid the production of the metal form positioning pin and mould assembling positioning pin using traditional processing, be effectively saved cost, meet seriation, standardization, mass production needs.
Description
Technical field
The utility model belongs to machine casting mould applications, and in particular to a kind of hardened sand mould with venting plug
Positioning pin.
Background technique
In hardened sand casting, sand mold hardens molding, core under upper painting, upper and lower sand mold mould assembling.Mould assembling is last one of moulding
Critical process, it is desirable that engage accurate positioning when upper and lower sand mold mould assembling, horizontal four direction and vertical direction cannot have deviation.It is no
Casting mismatch then will be will cause, size is not inconsistent, casting mold runout, casting grinding workload increase or scrap.
During traditional hardened sand mould Mold Making, it is generally used in cope plate, lower die panel mounting tool
The metal fitting nail of machine-shaping positions mould assembling.Its upper and lower sand mold mould assembling also needs metal mould assembling positioning pin or use when positioning
The sand mold positioning pin of self-hardening sand production.So mould is more numerous using metal fitting nail and mould assembling positioning pin mould assembling positioning
Trivial, positioning accuracy is slightly poor, and processing cost is higher, and each manufacturer's positioning pin dimensional standard disunity, it is difficult to realize system
Columnization, standardization, mass production.
Summary of the invention
The purpose of the utility model is to overcome the deficiencies in the prior art, provide a kind of hardening sand molding with venting plug
Template Location pin improves the production efficiency of mould assembling positioning, reduces production cost, meets seriation, standardization, mass production need
It asks.
In order to solve the above technical problems, the technical solution of the utility model are as follows:
This has the hardened sand mould positioning pin of venting plug, the pit positioning pin including cope plate die joint is arranged in
With the raised positioning pin that lower template die joint is arranged in, it is characterised in that: the bottom centre of the pit positioning pin is provided with row
The top center of vent plug, the protrusion positioning pin is provided with venting plug, when hardening sand molding, the pit positioning pin of the cope plate
The positioning protrusion of sand mold die joint in formation, the raised positioning pin of the lower template form the location dimples of lower sand mold die joint,
Pass through positioning protrusion and the mould assembling of location dimples precise positioning when upper sand mold and lower sand mold mould assembling.
Preferably, the pit positioning pin and raised positioning pin are using high-intensitive engineering plastics compression molding.
Preferably, the pit positioning pin and raised positioning pin are designed using hollow structure, average wall thickness.It is preferred that
, the pit positioning pin is frustum of a cone pit, and the protrusion positioning pin is frustum of a cone protrusion.
Preferably, the pit positioning pin and raised positioning pin have flange arrangement, and are fixed by screws in cope plate
On the die joint of lower template.
Preferably, the venting plug is made of copper alloy or stainless steel material.
Preferably, the location dimples of the positioning protrusion of the upper sand mold and lower sand mold fit clearance control in mould assembling exists
0.3-0.5mm。
Compared with prior art, the utility model has the beneficial effects that
A kind of hardened sand mould positioning pin with venting plug, by be arranged in cope plate die joint with method
Blue plastics pit positioning pin and the plastics protrusion positioning pin with flange that lower template die joint is set, cope plate when moulding
Pit positioning pin form the positioning protrusion of sand mold die joint, the raised positioning pin of lower template forms determining for lower sand mold die joint
Position pit, upper sand mold and when lower sand mold mould assembling by positioning protrusion and the mould assembling of location dimples precise positioning, structure is simple, system
Facilitate, positioning is reliable, is effectively saved cost, improves the production efficiency of sand mold mould assembling positioning, meets seriation, standard
Change, mass production demand.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the hardened sand mould positioning pin with venting plug.
Fig. 2 is upper sand mold and lower sand mold mould assembling decomposition texture schematic diagram.
Wherein, 1-cope plate, 2-lower templates, 11-die joints, 21-die joints, 3-pit positioning pins, 4-protrusions
Positioning pin, 31-flanges, 41-flanges, 5-venting plugs, 6-upper sand molds, 7-lower sand molds, 61-die joints, 71-die joints.
62-positioning protrusion, 72-location dimples.
Specific embodiment
Specific embodiment of the present utility model is described in further detail with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, a kind of hardened sand mould positioning pin with venting plug, including be arranged in cope plate 1
The pit positioning pin 3 of die joint 11 and the raised positioning pin 4 that 2 die joint 21 of lower template is set, in the bottom of pit positioning pin 3
The heart is provided with venting plug 5, and the top center of raised positioning pin 4 is provided with venting plug 5, when hardening sand molding, the cope plate 1
Pit positioning pin 3 forms the positioning protrusion 62 of upper sand mold die joint 61, and the raised positioning pin 4 of the lower template 2 forms lower sand mold 7
The location dimples 72 of die joint 71, upper sand mold 6 with pass through positioning protrusion 62 and 72 precise positioning of location dimples when lower 7 mould assembling of sand mold
Mould assembling.
In the present embodiment, pit positioning pin 3 and raised positioning pin 4 are using high-intensitive engineering plastics such as polyamide (PA Buddhist nun
Dragon) compression molding.
Pit positioning pin 3 and raised positioning pin 4 use hollow structure, average wall thickness to be designed as 5-8mm, meet hardened sand and make
Requirement is used for multiple times in type.
Pit positioning pin 3 be frustum of a cone pit, array of sizes be (50/ Ф 60 of Ф) × 60mm, (60/ Ф 70 of Ф) ×
80mm, (80/ Ф 100 of Ф) × 120mm etc..Corresponding protrusion positioning pin 4 is frustum of a cone protrusion, and array of sizes is
(50/ Ф 60 of Ф) × 60mm, (60/ Ф 70 of Ф) × 80mm, (80/ Ф 100 of Ф) × 120mm etc..
Pit positioning pin 3 and raised positioning pin 4 have flange (31) (41) structure, and are fixed on upper mold by 6 screws
On plate 1 and the die joint (11) (21) of lower template 2.
In the bottom centre of pit positioning pin 3 and the top center of raised positioning pin 4, the copper of one 20 × 8mm of Ф is respectively set
Alloy venting plug 5 prevents the sand mold positioning protrusion 62 originally formed when moulding and sand mold location dimples 72 not consolidation, and it is strong to improve it
Degree and hardness.
The location dimples 72 of the positioning protrusion 62 of upper sand mold 6 and lower sand mold 7 in mould assembling fit clearance control≤
0.5mm。
By the way that the plastics pit positioning pin 3 with flange 31 of 1 die joint 11 of cope plate is arranged in and is arranged in lower template 2
The plastics protrusion positioning pin 4 with flange 41 of die joint 21, cope plate 1 has 3 shape of pit positioning pin of porous plug 5 when moulding
At the high positioning protrusion 62 of upper 6 consolidation of sand mold, it is high that raised positioning pin 4 of the lower template 2 with porous plug 5 forms lower 7 consolidation of sand mold
Location dimples 72, upper sand mold 6 with pass through positioning protrusion 62 and 72 precise positioning mould assembling of location dimples when lower 7 mould assembling of sand mold.
General hardened sand mould positioning pin, cope plate 1 set 3 pit positioning pins 3, and lower template 2 sets 3 and determines with pit
The raised positioning pin 4 that position pin 3 matches.
Claims (6)
1. a kind of hardened sand mould positioning pin with venting plug, including being arranged in the recessed of cope plate (1) die joint (11)
Positioning pin (3) and setting are cheated in the raised positioning pin (4) of lower template (2) die joint (21), it is characterised in that: the pit positioning
The bottom centre of pin (3) is provided with venting plug (5), and the top center of the protrusion positioning pin (4) is provided with venting plug (5), firmly
When changing sand molding, the positioning protrusion (62) of sand mold (6) die joint (61) in pit positioning pin (3) formation of the cope plate (1),
The raised positioning pin (4) of the lower template (2) forms the location dimples (72) of lower sand mold (7) die joint (71), upper sand mold (6) with
Pass through positioning protrusion (62) and location dimples (72) precise positioning mould assembling when lower sand mold (7) mould assembling.
2. a kind of hardened sand mould positioning pin with venting plug according to claim 1, it is characterised in that: described
Pit positioning pin (3) and raised positioning pin (4) are using high-intensitive engineering plastics compression molding.
3. a kind of hardened sand mould positioning pin with venting plug according to claim 1, it is characterised in that: described
Pit positioning pin (3) and raised positioning pin (4) are designed using hollow structure, average wall thickness.
4. a kind of hardened sand mould positioning pin with venting plug according to claim 1, it is characterised in that: described
Pit positioning pin (3) is frustum of a cone pit, and the protrusion positioning pin (4) is frustum of a cone protrusion.
5. a kind of hardened sand mould positioning pin with venting plug according to claim 1, it is characterised in that: described
Pit positioning pin (3) and raised positioning pin (4) have flange (31,41) structure, and be fixed by screws in cope plate (1) and under
On the die joint (11,21) of template (2).
6. a kind of hardened sand mould positioning pin with venting plug according to claim 1, it is characterised in that: described
The positioning protrusion (62) of upper sand mold (6) die joint (61) and the location dimples (72) of lower sand mold (7) die joint (71) are in mould assembling
Fit clearance is controlled in 0.3-0.5mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153032.5U CN208644024U (en) | 2018-07-20 | 2018-07-20 | A kind of hardened sand mould positioning pin with venting plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821153032.5U CN208644024U (en) | 2018-07-20 | 2018-07-20 | A kind of hardened sand mould positioning pin with venting plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208644024U true CN208644024U (en) | 2019-03-26 |
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ID=65785898
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821153032.5U Active CN208644024U (en) | 2018-07-20 | 2018-07-20 | A kind of hardened sand mould positioning pin with venting plug |
Country Status (1)
| Country | Link |
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| CN (1) | CN208644024U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637192A (en) * | 2018-07-19 | 2018-10-12 | 溧阳市联华机械制造有限公司 | A kind of hardened sand mould positioning pin with venting plug |
-
2018
- 2018-07-20 CN CN201821153032.5U patent/CN208644024U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108637192A (en) * | 2018-07-19 | 2018-10-12 | 溧阳市联华机械制造有限公司 | A kind of hardened sand mould positioning pin with venting plug |
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