CN112916803B - Stress deformation avoiding mold for casting investment casting thin-walled workpiece - Google Patents
Stress deformation avoiding mold for casting investment casting thin-walled workpiece Download PDFInfo
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- CN112916803B CN112916803B CN202110066769.3A CN202110066769A CN112916803B CN 112916803 B CN112916803 B CN 112916803B CN 202110066769 A CN202110066769 A CN 202110066769A CN 112916803 B CN112916803 B CN 112916803B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
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Abstract
The invention provides a die for avoiding stress deformation for casting an investment casting thin-walled workpiece, which comprises a movable base; the right side end face of the left side wall of the moving base is rotatably connected with two connecting rods, the outer ends of the connecting rods are provided with inner ratchet wheels, and the outer side end faces of the inner ratchet wheels are connected with the transmission gear; the inner end of the connecting rod is in transmission connection with the transmission rod; the swing arms at the two ends of the control rod are connected with the lifting support legs of the lifting platform; four lifting support legs of the lifting platform are in contact with the top end face of the movable base; the two pedals respectively control the rotation in one direction, the pedals are stepped to drive the longitudinal rack to move downwards, the meshed transmission gear is driven to rotate through the longitudinal rack, the locked inner ratchet wheel is driven to rotate, the connecting rod is driven to rotate through the inner ratchet wheel, the unidirectional rotation of the connecting rod is realized due to the arrangement of the inner ratchet wheel, and the pedals can reciprocate under the action of the spring, so that the pedal is convenient to use repeatedly.
Description
Technical Field
The invention belongs to the technical field of mold manufacturing, and particularly relates to a mold for avoiding stress deformation for casting an investment casting thin-walled workpiece.
Background
Investment casting is also called lost wax casting, and lost wax casting is to manufacture a wax mold of a part to be cast by using wax, then pour molten metal into the wax mold from a mold pouring gate, and after cooling, the required part is manufactured, but the investment casting mold is quite inconvenient in the transferring process.
The die capable of avoiding stress deformation for casting the investment casting thin-wall part mainly comprises a working platform, wherein two parallel guide rails are arranged on the working platform, a moving supporting seat is arranged on the two guide rails, a driving device is connected with the moving supporting seat and used for driving the moving supporting seat to move horizontally along the two guide rails, a translation cylinder is arranged on the moving supporting seat, a piston rod of the translation cylinder extends to one side edge of the two parallel guide rails along the horizontal direction and is perpendicular to the two guide rails, an installation arm parallel to the two guide rails is fixed on the piston rod of the translation cylinder, and die loading devices are respectively arranged at two ends of the installation arm.
When using, the existing similar investment casting mold can expand due to the heating of the mold, so that the mold is deformed, the mold is damaged, and the investment casting mold is inconvenient to transport and move due to large volume during transportation, so that the use of the mold between various workshops is influenced.
Disclosure of Invention
In order to solve the technical problems, the invention provides a stress deformation-avoiding die for casting an investment casting thin-wall part, which aims to solve the problems that the existing similar investment casting die expands due to heating, so that the die deforms and is damaged, and the investment casting die is inconvenient to transport and move due to large volume during transportation, so that the use of the die among various workshops is influenced.
The invention aims and effects of the die for avoiding stress deformation for casting the investment casting thin-wall part, and is achieved by the following specific technical means:
a die for avoiding stress deformation for casting an investment casting thin-wall part comprises a movable base; moving wheels are arranged at four end corners of the moving base; a pedal is connected to the left side wall of the movable base in a sliding manner; the right side end face of the left side wall of the moving base is rotatably connected with two connecting rods, the outer ends of the connecting rods are provided with inner ratchet wheels, and the outer side end faces of the inner ratchet wheels are connected with the transmission gear; the inner end of the connecting rod is in transmission connection with the transmission rod; the transmission rod is in transmission connection with the worm; the worm is connected to the middle of the two control rods; swing arms at two ends of the control rod are connected with lifting support legs of the lifting platform; four lifting support legs of the lifting platform are in contact with the top end face of the movable base; sliding connection has the bed die on lift platform's the top terminal surface, and the top joint of bed die has the mould to department rotates and is connected with spacing fixation clamp in the middle of the front and back both sides face of bed die.
Furthermore, a casting cavity is formed in the middle of the top of the lower die, clamping grooves are formed in the front side and the rear side of the casting cavity of the lower die, clamping blocks of the upper die are connected in the clamping grooves in a clamping mode, limiting grooves are formed in the front side face and the rear side face of the upper die, and a liquid injection hole is formed in the top of the upper die.
Further, spacing fixation clamp is the type of falling L and sets up in both sides around the bed die, and the bottom hinged joint of spacing fixation clamp in the bottom of draw-in groove, and the bottom terminal surface of spacing fixation clamp top xarm has been seted up and has been slided the chamber, and it has the locking piece to slide in the chamber, and the top threaded connection of spacing fixation clamp top xarm has a locking bolt, and the bottom connection pad of locking bolt rotates to be connected in the top terminal surface of locking piece, and the bottom terminal surface of locking piece is provided with globular protrudingly.
Furthermore, the top end face of the lifting platform is provided with two good guide rails, the side faces of the guide rails are provided with penetrating limiting holes, bolts are inserted into the limiting holes, and the lower die is connected between the two guide rails in a sliding mode.
Furthermore, the pedal plate is symmetrically provided with two positions on the left side wall of the movable base, a spring is arranged at the bottom of the pedal plate, the right end of the pedal plate is connected with a longitudinal rack, the longitudinal rack is meshed with a transmission gear, the transmission gear is connected with a ratchet wheel inside an inner ratchet wheel, and an outer wheel of the inner ratchet wheel is connected with the outer end of the connecting rod.
Furthermore, the connecting rod is symmetrically provided with two positions at the front side and the rear side of the left end of the transmission rod, a driving bevel gear of the connecting rod is meshed with a driven bevel gear of the transmission rod, the transmission rod is rotatably connected to a transmission shaft seat arranged on the top end face of the movable base, a transmission bevel gear is arranged at the right end of the transmission rod and meshed with a linkage bevel gear at the bottom of a worm, and the worm is connected with a worm wheel in the middle of the control rod.
Furthermore, the control rod is symmetrically provided with two positions, the control rod is rotatably connected to a connecting shaft seat arranged on the top end face of the movable base, swing arms are arranged at the left end and the right end of the control rod, a sliding shaft cavity is formed in the outer ends of the swing arms, and the sliding shaft cavity is connected with a connecting shaft rod inside lifting support legs arranged at four corners of the bottom of the lifting platform.
Compared with the prior art, the invention has the following beneficial effects:
the setting of spacing fixation clamp, through rotating spacing fixation clamp, make spacing fixation clamp's top joint in the spacing groove top of last mould, then rotate the locking bolt, because the locking bolt rotates through the connection pad to be connected in the top terminal surface of locking piece, it makes the locking piece slide down in sliding chamber to pass through the locking bolt, make the globular protruding of locking piece bottom laminate with the top terminal surface of last mould mutually, thereby it is together fixed with the bed die to go up the mould, it is more firm that mould and bed die are connected to make, prevent the condition of annotating the liquid seepage, and globular protruding and last mould elastic contact, so can provide certain elasticity when last mould and bed die are owing to being heated and take place stress collision, prevent that last mould and bed die are owing to being heated and take place stress deformation.
The pedal plates are arranged, the two pedal plates respectively control the rotation in one direction, the pedal plates are stepped on to enable the longitudinal racks to move downwards, the transmission gears meshed with the longitudinal racks are driven to rotate through the longitudinal racks, so that the locked inner ratchet wheel is driven to rotate, the connecting rod is driven to rotate through the inner ratchet wheel, the one-way rotation of the connecting rod is achieved due to the arrangement of the inner ratchet wheel, the pedal plates can reciprocate under the action of the springs, and the pedal plate is convenient to use repeatedly.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a schematic view of the overall split structure of the present invention.
Fig. 3 is a schematic cross-sectional view of the mobile base of the present invention.
Fig. 4 is a schematic bottom view of the lifting platform of the present invention.
Figure 5 is a schematic view of the linkage, drive link, worm and control link drive connection of the present invention.
Fig. 6 is a schematic view of the disassembled structure of the lower mold and the upper mold of the present invention.
Fig. 7 is an enlarged schematic view of fig. 6 a according to the present invention.
In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:
1. moving the base; 101. connecting the shaft seat; 102. a transmission shaft seat; 103. a moving wheel; 2. a foot pedal; 201. a longitudinal rack; 3. a spring; 4. a transmission gear; 5. an inner ratchet wheel; 6. a connecting rod; 601. a drive bevel gear; 7. a transmission rod; 701. a driven bevel gear; 702. a drive bevel gear; 8. a worm; 801. linkage bevel gear; 9. a control lever; 901. a worm gear; 902. swinging arms; 903. a sliding shaft cavity; 10. a lifting platform; 1001. a guide rail; 100101, a limiting hole; 1002. a lifting support leg; 1003. connecting the shaft lever; 11. a bolt; 12. a lower die; 1201. a card slot; 13. an upper die; 1301. a clamping block; 1302. a limiting groove; 1303. a liquid injection hole; 14. a limiting fixing clamp; 1401. a slide chamber; 15. locking the bolt; 1501. connecting the disc; 16. stopping the block; 1601. and (4) a spherical protrusion.
Detailed Description
The embodiments of the present invention will be described in further detail with reference to the drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Example (b):
as shown in figures 1 to 7:
the invention provides a die for avoiding stress deformation for casting an investment casting thin-walled workpiece, which comprises a movable base 1; moving wheels 103 are arranged at four end corners of the moving base 1; the pedal plate 2 is connected to the left side wall of the moving base 1 in a sliding mode, two positions are symmetrically arranged on the left side wall of the moving base 1 of the pedal plate 2, a spring 3 is arranged at the bottom of the pedal plate 2, the right end of the pedal plate 2 is connected with a longitudinal rack 201, the longitudinal rack 201 is meshed with a transmission gear 4, the transmission gear 4 is connected with a ratchet wheel inside an inner ratchet wheel 5, and an outer wheel of the inner ratchet wheel 5 is connected with the outer end of a connecting rod 6; the right side end face of the left side wall of the movable base 1 is rotatably connected with two connecting rods 6, the outer ends of the connecting rods 6 are provided with inner ratchet wheels 5, and the outer side end faces of the inner ratchet wheels 5 are connected with the transmission gear 4; the inner end of the connecting rod 6 is in transmission connection with the transmission rod 7; the transmission rod 7 is in transmission connection with the worm 8; the worm 8 is connected to the middle of two control rods 9; the swing arms 902 at the two ends of the control rod 9 are connected with the lifting support legs 1002 of the lifting platform 10; four lifting support legs 1002 of the lifting platform 10 are in contact with the top end face of the movable base 1; the top end face of the lifting platform 10 is connected with a lower die 12 in a sliding mode, the top of the lower die 12 is connected with an upper die 13 in a clamping mode, a limiting fixing clamp 14 is rotatably connected to the middle of the front side face and the rear side face of the lower die 12, the limiting fixing clamp 14 is arranged on the front side face and the rear side face of the lower die 12 in an inverted L mode, the bottom end of the limiting fixing clamp 14 is hinged to the bottom of the clamping groove 1201, a sliding cavity 1401 is formed in the bottom end face of a top cross arm of the limiting fixing clamp 14, a locking block 16 is connected in the sliding cavity 1401 in a sliding mode, a locking bolt 15 is connected to the top of the top cross arm of the limiting fixing clamp 14 in a threaded mode, a bottom connecting disc 1501 of the locking bolt 15 is connected in the top end face of the locking block 16 in a rotating mode, a spherical protrusion 1601 is arranged on the bottom end face of the locking block 16 through the locking bolt 15, the locking block 16 slides downwards in the sliding cavity by rotating the limiting fixing clamp 14, the spherical protrusion on the top of the bottom of the locking block 16 and the upper die 13, the spherical protrusion 1601 of the upper die is in a rotating mode, and the upper die 12 and the lower die 12 and the upper die 12 are prevented from being heated and from being deformed by the elastic stress, and the lower die 13, and the telescopic die 12.
Wherein, a casting cavity is arranged in the middle of the top of the lower die 12, clamping grooves 1201 are arranged on the front side and the rear side of the casting cavity of the lower die 12, a clamping block 1301 of the upper die 13 is clamped in the clamping groove 1201, limiting grooves 1302 are arranged on the front side and the rear side of the upper die 13, and a liquid injection hole 1303 is arranged on the top of the upper die 13, when the casting cavity is used, the clamping block 1301 of the upper die 13 is inserted into the clamping groove 1201 of the lower die 12, so that the upper die 13 and the lower die 12 form a complete casting mold, and the liquid injection hole 1303 of the upper die 13 facilitates the liquid injection of the casting cavity formed by the upper die 13 and the lower die 12.
Wherein, be provided with good two guide rails 1001 on lift platform 10's the top terminal surface, and the spacing hole 100101 that runs through is seted up to the side of guide rail 1001, and it has bolt 11 to peg graft in spacing hole 100101, between 12 sliding connection two guide rails 1001 of bed die, when using, place bed die 12 between lift platform 10's two guide rails 1001, then promote bed die 12 to the left side of guide rail 1001, when bed die 12 slides to the leftmost end of guide rail 1001, find the spacing hole 100101 that 12 right side terminal surface of bed die corresponds on guide rail 1001, then insert bolt 11 in the spacing hole 100101 of guide rail 1001, fix bed die 12, prevent that bed die 12 from taking place to slide at the shipment in-process, make bed die 12 can be more stable in the transportation.
When the power transmission device is used, the connecting rod 6 drives the driving rod 7 to rotate through the transmission connection of the driving bevel gear 601 and the driven bevel gear 701, the driving rod 7 drives the driving rod 7 to rotate through the transmission connection of the driving bevel gear 601 and the driven bevel gear 701, the driving bevel gear 702 is arranged at the right end of the driving rod 7 and is in meshed connection with the linkage bevel gear 801 at the bottom of the worm 8, the worm 8 is connected with the worm wheel 901 in the middle of the control rod 9, the driving rod 7 is driven to rotate through the transmission connection of the driving bevel gear 601 and the driven bevel gear 701, the driving rod 7 drives the worm 8 to rotate through the connection of the driving bevel gear 702 and the linkage bevel gear 801, the worm 8 drives the control rod 9 to rotate through the transmission connection with the worm wheel 901, so that the power transmission from the connecting rod 6 to the control rod 9 is more stable, the transmission efficiency is higher, meanwhile, the connection of the worm 8 and the worm wheel 901 has a self-locking effect, and the control rod 9 can be prevented from reversely driving the worm 8 to rotate.
Wherein, the control lever 9 symmetry is provided with two places, rotate to connect on the connection axle bed 101 that removes 1 top end face of base setting, both ends are provided with swing arm 902 about control lever 9, sliding shaft chamber 903 has been seted up to swing arm 902 outer end, sliding shaft chamber 903 is connected with the inside connecting shaft pole 1003 of the lift stabilizer blade 1002 of the bottom four corners setting of lift platform 10, when using, control lever 9 drives swing arm 902 through rotating and swings, thereby the slip of control connection axostylus axostyle 1003 in sliding shaft chamber 903, realize lift platform 10's lift, thereby improve lift platform 10's height, the convenience rotates lower mould 12.
The specific use mode and function of the embodiment are as follows:
when the invention is used, the fixture block 1301 of the upper die 13 is inserted into the fixture groove 1201 of the lower die 12, so that the upper die 13 and the lower die 12 form a complete casting die, the casting cavity formed by the upper die 13 and the lower die 12 is conveniently injected through the injection hole 1303 of the upper die 13, the top of the limiting fixing clamp 14 is clamped at the top of the limiting groove 1302 of the upper die 13 by rotating the limiting fixing clamp 14, then the locking bolt 15 is rotated, as the locking bolt 15 is rotatably connected into the top end face of the locking block 16 through the connecting disc 1501, the locking block 16 can slide downwards in the sliding cavity 1401 through the locking bolt 15, the spherical protrusion 1601 at the bottom of the locking block 16 is attached to the top end face of the upper die 13, so that the upper die 13 and the lower die 12 are fixed together, the upper die 13 and the lower die 12 are connected more firmly, and the situation of injection leakage is prevented, and the spherical protrusion 1601 is in elastic contact with the upper die 13, so that a certain degree of expansion and contraction can be provided when the upper die 13 and the lower die 12 are in stress collision due to heat, the upper die 13 and the lower die 12 are prevented from being in stress deformation due to heat, the lower die 12 is placed between the two guide rails 1001 of the lifting platform 10, then the lower die 12 is pushed to the left side of the guide rails 1001, when the lower die 12 slides to the leftmost end of the guide rails 1001, the corresponding limit hole 100101 on the guide rails on the right side end face of the lower die 12 is found, then the bolt 11 is inserted into the limit hole 100101 of the guide rails 1001 to fix the lower die 12, the lower die 12 is prevented from sliding in the shipping process, so that the lower die 12 can be more stable in the transferring process, the two pedals 2 respectively control the rotation in one direction, and step on the pedals 2 to drive the longitudinal rack 201 to move downwards, the meshed transmission gear 4 is driven to rotate through the longitudinal rack 201, so that the locked inner ratchet wheel 5 is driven to rotate, the connecting rod 6 is driven to rotate through the inner ratchet wheel 5, one-way rotation of the connecting rod 6 is realized due to the arrangement of the inner ratchet wheel 5, the pedal 2 can reciprocate under the action of the spring 3 and is convenient to use repeatedly, the connecting rod 6 drives the transmission rod 7 to rotate through transmission connection of the driving bevel gear 601 and the driven bevel gear 701, the transmission rod 7 drives the worm 8 to rotate through connection of the driving bevel gear 702 and the linkage bevel gear 801, the worm 8 drives the control rod 9 to rotate through transmission connection with the worm wheel 901, so that power transmission from the connecting rod 6 to the control rod 9 is more stable, the transmission efficiency is higher, meanwhile, the connection of the worm 8 and the worm wheel 901 has a self-locking effect, the control rod 9 can be prevented from reversely driving the worm 8 to rotate, the control rod 9 drives the swing arm 902 to swing through rotation, so as to control the sliding of the connecting shaft lever 1003 in the sliding shaft cavity 903, and realize the lifting of the lifting platform 10, so that the height of the lifting platform 10 is improved, and the lower die 12 can be conveniently rotated.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (5)
1. The utility model provides a mould of avoiding stress deformation for investment casting thin-walled workpiece casting which characterized in that: comprises a mobile base (1); moving wheels (103) are arranged at four end corners of the moving base (1); a pedal (2) is connected to the left side wall of the movable base (1) in a sliding manner; the right side end face of the left side wall of the movable base (1) is rotatably connected with two connecting rods (6), the outer ends of the connecting rods (6) are provided with inner ratchet wheels (5), and the outer end faces of the inner ratchet wheels (5) are connected with the transmission gear (4); the inner end of the connecting rod (6) is in transmission connection with the transmission rod (7); the transmission rod (7) is in transmission connection with the worm (8); the worm (8) is connected to the middle of the two control rods (9); the swing arms (902) at the two ends of the control rod (9) are connected with lifting support legs (1002) of the lifting platform (10); four lifting support legs (1002) of the lifting platform (10) are in contact with the top end face of the movable base (1); a lower die (12) is connected to the end face of the top of the lifting platform (10) in a sliding mode, an upper die (13) is clamped to the top of the lower die (12), and a limiting fixing clamp (14) is rotatably connected to the middle of the front side face and the rear side face of the lower die (12);
the pedal (2) is symmetrically provided with two positions on the left side wall of the movable base (1), a spring (3) is arranged at the bottom of the pedal (2), the right end of the pedal (2) is connected with a longitudinal rack (201), the longitudinal rack (201) is meshed and connected with a transmission gear (4), the transmission gear (4) is connected with a ratchet wheel inside an inner ratchet wheel (5), and an outer wheel of the inner ratchet wheel (5) is connected with the outer end of a connecting rod (6);
the front side and the rear side of the left end of the transmission rod (7) of the connecting rod (6) are symmetrically provided with two positions, a driving bevel gear (601) of the connecting rod (6) is meshed with a driven bevel gear (701) of the transmission rod (7), the transmission rod (7) is rotatably connected to a transmission shaft seat (102) arranged on the top end face of the movable base (1), a transmission bevel gear (702) is arranged at the right end of the transmission rod (7), the transmission bevel gear (702) is meshed with a linkage bevel gear (801) at the bottom of the worm (8), and the worm (8) is connected with a worm wheel (901) in the middle of the control rod (9).
2. The mold for casting an investment casting thin wall part to avoid stress deformation of claim 1, wherein: the casting cavity is formed in the middle of the top of the lower die (12), clamping grooves (1201) are formed in the front side and the rear side of the casting cavity of the lower die (12), clamping blocks (1301) of the upper die (13) are connected in the clamping grooves (1201) in a clamping mode, limiting grooves (1302) are formed in the front side face and the rear side face of the upper die (13), and liquid injection holes (1303) are formed in the top of the upper die (13).
3. The mold for casting an investment casting thin wall part to avoid stress deformation of claim 1, wherein: spacing fixation clamp (14) are the type of falling L and set up in the front and back both sides of bed die (12), the bottom hinged joint of spacing fixation clamp (14) in the bottom of draw-in groove (1201), smooth chamber (1401) have been seted up to the bottom terminal surface of spacing fixation clamp (14) top xarm, sliding connection has locking piece (16) in smooth chamber (1401), the top threaded connection of spacing fixation clamp (14) top xarm has locking bolt (15), bottom connection pad (1501) of locking bolt (15) rotate connect in the top terminal surface of locking piece (16), the bottom terminal surface of locking piece (16) is provided with globular protrudingly (1601).
4. The mold for casting an investment casting thin wall part to avoid stress deformation of claim 1, wherein: be provided with two guide rails (1001) on the top end face of lift platform (10), and the spacing hole (100101) of running through is seted up to the side of guide rail (1001) to it has bolt (11) to peg graft in spacing hole (100101), between two guide rails (1001) of bed die (12) sliding connection.
5. The mold for casting a thin-walled article by investment casting of claim 1 that avoids stress distortion, wherein: the control rod (9) is symmetrically provided with two positions, the control rod is rotatably connected to a connecting shaft seat (101) arranged on the top end face of the movable base (1), swing arms (902) are arranged at the left end and the right end of the control rod (9), a sliding shaft cavity (903) is formed in the outer ends of the swing arms (902), and the sliding shaft cavity (903) is connected with a connecting shaft rod (1003) inside lifting support legs (1002) arranged at four corners of the bottom of the lifting platform (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110066769.3A CN112916803B (en) | 2021-01-19 | 2021-01-19 | Stress deformation avoiding mold for casting investment casting thin-walled workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110066769.3A CN112916803B (en) | 2021-01-19 | 2021-01-19 | Stress deformation avoiding mold for casting investment casting thin-walled workpiece |
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| CN112916803A CN112916803A (en) | 2021-06-08 |
| CN112916803B true CN112916803B (en) | 2022-10-18 |
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| CN104358986A (en) * | 2014-10-13 | 2015-02-18 | 徐新华 | Bidirectional ratchet rotary lifting support frame for table-type display |
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| CN108971439A (en) * | 2018-08-21 | 2018-12-11 | 安徽亚太锚链制造有限公司 | Lanyard stopper modeling tool and casting technique |
| CN210523794U (en) * | 2019-08-08 | 2020-05-15 | 刘守文 | Jacking mechanism for drawing die of casting |
| CN211304755U (en) * | 2019-12-06 | 2020-08-21 | 江西宏大铸造有限责任公司 | Stripping device for casting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108326243A (en) * | 2018-04-13 | 2018-07-27 | 马鞍山圣德力智能科技有限公司 | A kind of wheel hub Casting Equipment for the mold good airproof performance that casting accuracy is high |
| CN211489600U (en) * | 2019-12-24 | 2020-09-15 | 常州市仁旺机械有限公司 | High-efficient casting equipment of agricultural machine accessory |
| CN112045174A (en) * | 2020-09-04 | 2020-12-08 | 淮南沃力特流体设备有限公司 | Investment casting equipment of high-precision stop valve and machining process thereof |
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2021
- 2021-01-19 CN CN202110066769.3A patent/CN112916803B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104358986A (en) * | 2014-10-13 | 2015-02-18 | 徐新华 | Bidirectional ratchet rotary lifting support frame for table-type display |
| CN106424676A (en) * | 2016-11-21 | 2017-02-22 | 重庆市合川区银窝铸造厂 | Transfer device of casting mould |
| CN108971439A (en) * | 2018-08-21 | 2018-12-11 | 安徽亚太锚链制造有限公司 | Lanyard stopper modeling tool and casting technique |
| CN210523794U (en) * | 2019-08-08 | 2020-05-15 | 刘守文 | Jacking mechanism for drawing die of casting |
| CN211304755U (en) * | 2019-12-06 | 2020-08-21 | 江西宏大铸造有限责任公司 | Stripping device for casting |
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| Publication number | Publication date |
|---|---|
| CN112916803A (en) | 2021-06-08 |
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