CN212042565U - Sand mould molding device for casting wear-resistant hammer head - Google Patents
Sand mould molding device for casting wear-resistant hammer head Download PDFInfo
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- CN212042565U CN212042565U CN202020560600.4U CN202020560600U CN212042565U CN 212042565 U CN212042565 U CN 212042565U CN 202020560600 U CN202020560600 U CN 202020560600U CN 212042565 U CN212042565 U CN 212042565U
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- sand
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- sand shooting
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- 239000004576 sand Substances 0.000 title claims abstract description 94
- 238000005266 casting Methods 0.000 title claims abstract description 46
- 238000000465 moulding Methods 0.000 title claims abstract description 25
- 244000035744 Hura crepitans Species 0.000 claims abstract description 38
- 230000007306 turnover Effects 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 4
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000006082 mold release agent Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The utility model discloses a sand mould molding device for casting a wear-resistant hammer head, which comprises a frame, a sand shooting device, a sand shooting plate and a sand box; the sand shooting plate is provided with sand shooting holes; the sand shooting device is fixed on the frame; the sand shooting device is provided with a sand shooting nozzle; the two sand shooting plates are fixed on the rack along the horizontal direction; the sand shooting nozzle is communicated with the sand shooting hole; also comprises a lifting and turning device. The utility model has the advantages that: the utility model can automatically complete the molding of the upper die and the lower die of the wear-resistant hammer head casting sand mold, and is suitable for molding of the wear-resistant hammer head casting sand mold; the ejection cylinder can drive the ejection rod to slide through the second connecting plate, ejection of an upper die for casting the wear-resistant hammer head in the cope flask and ejection of a lower die for casting the wear-resistant hammer head in the lower flask are achieved, the structure is simple, and control is convenient.
Description
Technical Field
The utility model relates to a wear-resisting tup casting field especially relates to a wear-resisting tup casting sand molding device.
Background
In the casting production process of the wear-resistant hammer head, an upper sand mold casting mould of the wear-resistant hammer head, a lower sand mold casting mould of the wear-resistant hammer head and a mold core are required to be molded firstly; and then coating a release agent in the cavities of the upper sand mold casting mould and the lower sand mold casting mould of the wear-resistant hammer head casting, putting a mold core, closing the mold to obtain a wear-resistant hammer head casting sand mold, and then casting to obtain a wear-resistant hammer head casting.
The existing casting sand mold molding device is an up-and-down sand shooting sand mold molding device, as disclosed in the publication 1, a molded sand mold is a mold subjected to mold closing, however, a mold release agent needs to be coated on the surface of a cavity in a wear-resistant hammer casting sand mold, if the existing sand mold molding device is used, the molded sand mold needs to be disassembled after molding is completed, the mold release agent is coated, and then mold closing is carried out, so that the production link is increased. Therefore, a molding device suitable for casting a sand mold by using the wear-resistant hammer head needs to be designed.
Disclosure of Invention
In order to solve the problems in the prior art, the utility model discloses a sand mould molding device for casting a wear-resistant hammer head, which comprises a frame, a sand shooting device, a sand shooting plate and a sand box; the sand shooting plate is provided with sand shooting holes; the sand shooting device is fixed on the frame; the sand shooting device is provided with a sand shooting nozzle; the two sand shooting plates are fixed on the rack along the horizontal direction; the sand shooting nozzle is communicated with the sand shooting hole; the device also comprises a lifting turnover device; the lifting and overturning device comprises a linear electric cylinder, a lifting frame, an overturning shaft fixing plate, an overturning shaft, an overturning motor, a sand box fixing frame, a guide rail, a sliding block and a first connecting plate; the linear electric cylinder is fixed on the frame; the telescopic end of the linear electric cylinder is connected with the lifting frame; the four guide rails are fixed on two sides of the rack in pairs; the sliding block is matched with the guide rail and can slide along the length direction of the guide rail; two sliding blocks are arranged on each guide rail; the first connecting plate is fixed on the sliding block; the lifting frame is connected with the first connecting plate; the two turnover shaft fixing plates are fixed at the lower end of the lifting frame; two ends of the turning shaft are rotatably fixed on the turning shaft fixing plate; the overturning motor is fixed on the overturning shaft fixing plate and used for controlling the overturning shaft to rotate; the two sand box fixing frames are sleeved on the turnover shaft and used for fixing the sand boxes; one of the two sand boxes is an upper mold sand box, and the other one is a lower mold sand box; the bottom of the sand box is provided with an ejection device; and a belt conveying line is arranged below each sand box.
The ejection device comprises a second connecting plate, a cylinder fixing plate, an ejection cylinder and an ejection rod; the cylinder fixing plate is fixed at the bottom of the sand box; the ejection cylinder is fixed on the cylinder fixing plate; the telescopic rod of the ejection cylinder is connected with the second connecting plate; the bottom of the sand box is provided with a plurality of ejection holes; the ejection rod is matched with the ejection hole and can slide along the axial direction of the ejection hole; one end of the ejector rod is connected with the second connecting plate.
The ejection hole is a stepped hole; the ejection holes comprise a first ejection hole and a second ejection hole; the diameter of the first ejector bore is greater than the diameter of the second ejector bore; the top end of the ejector rod is provided with an ejector boss; the ejection boss is matched with the first ejection hole.
The number of the ejection holes 43 is 4.
The utility model has the advantages that: the utility model can automatically complete the molding of the upper die and the lower die of the wear-resistant hammer head casting sand mold at the same time, and is suitable for molding of the wear-resistant hammer head casting sand mold; the ejection cylinder can drive the ejection rod to slide through the second connecting plate, ejection of an upper die for casting the wear-resistant hammer head in the cope flask and ejection of a lower die for casting the wear-resistant hammer head in the lower flask are achieved, the structure is simple, and control is convenient.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic diagram of the explosion structure of the present invention.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is a front view of fig. 1.
Fig. 5 is a structural view of the sand shooting plate of the present invention.
Fig. 6 is a structural view of the ejection device of the present invention.
Fig. 7 is an exploded view of fig. 6.
Fig. 8 is a view of the structure of the sand box of the present invention.
Fig. 9 is a perspective view of the sand box of the present invention.
Fig. 10 is one of the operation state diagrams of the present invention.
Fig. 11 is one of the operation state diagrams of the present invention.
Fig. 12 is one of the operation state diagrams of the present invention.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the invention can be more easily understood by those skilled in the art, thereby making the scope of the invention more clearly defined.
Example 1
Referring to the attached drawings 1-5, a sand mold molding device for casting a wear-resistant hammer comprises a frame 1, a sand shooting device 2, a sand shooting plate 3 and a sand box 4; the sand shooting plate 3 is provided with a sand shooting hole 31; the sand shooting device 2 is fixed on the frame 1; the sand shooting device 2 is provided with a sand shooting nozzle 21; the two sand shooting plates 3 are fixed on the frame 1 along the horizontal direction; the sand shooting nozzle 21 is communicated with the sand shooting hole 31;
the device also comprises a lifting turnover device 5; the lifting and overturning device 5 comprises a linear electric cylinder 51, a lifting frame 52, an overturning shaft fixing plate 53, an overturning shaft 54, an overturning motor 55, a sand box fixing frame 56, a guide rail 57, a sliding block 58 and a first connecting plate 59; the linear electric cylinder 51 is fixed on the frame 1; the telescopic end of the linear electric cylinder 51 is connected with the lifting frame 52; the four guide rails 57 are fixed on two sides of the frame 1 in pairs; the slider 58 is fitted to the guide rail 57 and can slide along the length direction of the guide rail 57; each guide rail 57 is provided with two slide blocks 58; the first connecting plate 59 is fixed to the slider 58; the lifting frame 52 is connected with the first connecting plate 59; two turning shaft fixing plates 53 are fixed at the lower end of the lifting frame 52; two ends of the turning shaft 54 are rotatably fixed on the turning shaft fixing plate 53; the overturning motor 55 is fixed on the overturning shaft fixing plate 53 and used for controlling the overturning shaft 54 to rotate; two sand box fixing frames 56 are sleeved on the turning shaft 54 and used for fixing the sand boxes 4; one of the two flasks 4 is an cope flask 41 and the other is a drag flask 42; the bottom of the sand box 4 is provided with an ejection device 6; a belt conveyor line 7 is provided below each sand box 4.
The working principle is as follows: when the wear-resistant hammer head casting sand mold is molded in an initial state (refer to the attached drawing 10), the overturning motor 55 controls the rotation of the overturning shaft 54 to enable the opening of the sand box 4 to be horizontally upward, the telescopic end of the linear electric cylinder 51 extends to drive the sand box 4 to be abutted against the lower end face of the sand shooting plate 3 through the lifting frame 52, the sand shooting nozzle 21 is controlled to shoot sand, and the molding of a wear-resistant hammer head casting sand mold upper mold in the cope sand box 41 and the molding of a wear-resistant hammer head casting sand mold lower mold in the lower mold sand box 42 are completed; then the telescopic end of the linear electric cylinder 51 is controlled to descend for a certain distance, and then the turning motor 55 is controlled to rotate to enable the opening of the sand box 4 to be horizontally downward (refer to the attached figure 11); then the telescopic end of the linear electric cylinder 51 is controlled to continuously descend for a certain distance, the ejection device 6 is controlled to eject the wear-resistant hammer head casting sand mold upper mold in the upper mold flask 41 and the wear-resistant hammer head casting sand mold lower mold in the lower mold flask 42 (refer to the attached figure 12), and the wear-resistant hammer head casting sand mold lower mold falls onto the belt conveyor line 7 to be conveyed to the next working section (as the cavities of the sand mold upper mold and the sand mold lower mold are both upward, the coating of a mold cavity surface release agent is convenient); then the utility model is recovered to the initial state to carry out the next circulation.
The utility model can automatically complete the molding of the upper die and the lower die of the wear-resistant hammer head casting sand mold; and after the molding, the wear-resistant hammer head casting sand mold upper die and the wear-resistant hammer head casting sand mold lower die respectively fall onto the belt conveyor line 7, the cavities of the sand mold upper die and the sand mold lower die are upward, and operators in subsequent working sections can directly coat the release agent on the surfaces of the cavities of the wear-resistant hammer head casting sand mold upper die and the wear-resistant hammer head casting sand mold lower die, so that the operation is simple and labor-saving, and the molding machine is suitable for molding of the wear-resistant hammer head casting.
Example 2
Referring to fig. 1 to 9, the present embodiment differs from embodiment 1 in that the ejector 6 includes a second connecting plate 61, a cylinder fixing plate 62, an ejector cylinder 63, and an ejector rod 64; the cylinder fixing plate 62 is fixed at the bottom of the sand box 4; the ejection cylinder 63 is fixed on the cylinder fixing plate 62; the telescopic rod of the ejection cylinder 63 is connected with the second connecting plate 61; the bottom of the sand box 4 is provided with 4 ejection holes 43; the ejector rod 64 is fitted to the ejector hole 43 and can slide in the axial direction of the ejector hole 43; one end of the ejector rod 64 is connected to the second connecting plate 61.
Thus, the ejection cylinder 63 can drive the ejection rod 64 to slide through the second connecting plate 61, so that the ejection of the wear-resistant hammer head casting sand mold upper mold in the upper mold flask 41 and the ejection of the wear-resistant hammer head casting sand mold lower mold in the lower mold flask 42 are realized, the structure is simple, and the control is convenient.
The ejection hole 43 is a stepped hole; the ejection hole 43 includes a first ejection hole 431 and a second ejection hole 432; the diameter of the first ejection hole 431 is larger than the diameter of the second ejection hole 432; the top end of the ejector rod 64 is provided with an ejector boss 641; the ejection boss 641 is fitted with the first ejection hole 431.
Therefore, when the upper die and the lower die of the wear-resistant hammer head casting sand mold are ejected, the diameter of the ejection boss 641 is larger than that of the main body part of the ejection rod 64, so that the contact area between the ejection boss and the wear-resistant hammer head casting sand mold is larger during ejection, and the ejection is more stable; and when shooting sand, the ejecting boss 641 is directly pressed to the steps of the first ejecting hole 431 and the second ejecting hole 432, so as to avoid generating impact force to the ejecting air cylinder 63 when shooting sand.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any slight modifications, equivalent replacements and improvements made by the technical spirit of the present invention to the above embodiments should be included in the technical solution of the present invention.
Claims (4)
1. A sand mould molding device for casting a wear-resistant hammer head comprises a frame, a sand shooting device, a sand shooting plate and a sand box; the sand shooting plate is provided with sand shooting holes; the sand shooting device is fixed on the frame; the sand shooting device is provided with a sand shooting nozzle; the sand shooting device is characterized in that the two sand shooting plates are fixed on the rack along the horizontal direction; the sand shooting nozzle is communicated with the sand shooting hole;
the device also comprises a lifting turnover device; the lifting and overturning device comprises a linear electric cylinder, a lifting frame, an overturning shaft fixing plate, an overturning shaft, an overturning motor, a sand box fixing frame, a guide rail, a sliding block and a first connecting plate; the linear electric cylinder is fixed on the frame; the telescopic end of the linear electric cylinder is connected with the lifting frame; the four guide rails are fixed on two sides of the rack in pairs; the sliding block is matched with the guide rail and can slide along the length direction of the guide rail; two sliding blocks are arranged on each guide rail; the first connecting plate is fixed on the sliding block; the lifting frame is connected with the first connecting plate; the two turnover shaft fixing plates are fixed at the lower end of the lifting frame; two ends of the turning shaft are rotatably fixed on the turning shaft fixing plate; the overturning motor is fixed on the overturning shaft fixing plate and used for controlling the overturning shaft to rotate; the two sand box fixing frames are sleeved on the turnover shaft and used for fixing the sand boxes; one of the two sand boxes is an upper mold sand box, and the other one is a lower mold sand box; the bottom of the sand box is provided with an ejection device; and a belt conveying line is arranged below each sand box.
2. The sand molding device for casting the wear-resistant hammer head according to claim 1, wherein the ejection device comprises a second connecting plate, a cylinder fixing plate, an ejection cylinder and an ejection rod; the cylinder fixing plate is fixed at the bottom of the sand box; the ejection cylinder is fixed on the cylinder fixing plate; the telescopic rod of the ejection cylinder is connected with the second connecting plate; the bottom of the sand box is provided with a plurality of ejection holes; the ejection rod is matched with the ejection hole and can slide along the axial direction of the ejection hole; one end of the ejector rod is connected with the second connecting plate.
3. The sand molding device for casting the wear-resistant hammer head according to claim 2, wherein the ejection hole is a stepped hole; the ejection holes comprise a first ejection hole and a second ejection hole; the diameter of the first ejector bore is greater than the diameter of the second ejector bore; the top end of the ejector rod is provided with an ejector boss; the ejection boss is matched with the first ejection hole.
4. The apparatus of claim 2, wherein the number of the ejection holes is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560600.4U CN212042565U (en) | 2020-04-16 | 2020-04-16 | Sand mould molding device for casting wear-resistant hammer head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020560600.4U CN212042565U (en) | 2020-04-16 | 2020-04-16 | Sand mould molding device for casting wear-resistant hammer head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212042565U true CN212042565U (en) | 2020-12-01 |
Family
ID=73524643
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020560600.4U Active CN212042565U (en) | 2020-04-16 | 2020-04-16 | Sand mould molding device for casting wear-resistant hammer head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212042565U (en) |
-
2020
- 2020-04-16 CN CN202020560600.4U patent/CN212042565U/en active Active
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