CN108188347B - Precision casting slurry dipping shell making center - Google Patents
Precision casting slurry dipping shell making center Download PDFInfo
- Publication number
- CN108188347B CN108188347B CN201711417967.XA CN201711417967A CN108188347B CN 108188347 B CN108188347 B CN 108188347B CN 201711417967 A CN201711417967 A CN 201711417967A CN 108188347 B CN108188347 B CN 108188347B
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- Prior art keywords
- swing arm
- guide
- hole
- fixed frame
- transmission device
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000005495 investment casting Methods 0.000 title claims description 11
- 239000002002 slurry Substances 0.000 title abstract description 22
- 238000007598 dipping method Methods 0.000 title abstract description 18
- 230000005540 biological transmission Effects 0.000 claims abstract description 36
- 230000007306 turnover Effects 0.000 claims abstract description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 16
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 238000013461 design Methods 0.000 abstract description 4
- 238000005266 casting Methods 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 239000004576 sand Substances 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000003825 pressing Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manipulator (AREA)
Abstract
The invention relates to a precise casting slurry dipping and shell making center which comprises a rack, a guide rail supporting device arranged on the rack, a swing arm device arranged on the guide rail supporting device, a turnover device arranged on the swing arm device and a grabbing device arranged on the turnover device and used for grabbing a wax mold, wherein the guide rail supporting device is arranged on the rack; the guide rail supporting device comprises a transmission device arranged on the rack, a servo motor, a swing arm and a retainer, wherein the upper end of the servo motor is in transmission connection with the transmission device, the swing arm is connected with the transmission device, and the upper end of the retainer is connected with the lower end of the swing arm; the invention has reasonable design, compact structure and convenient use.
Description
Technical Field
The invention relates to a precision casting slurry dipping shell making center and a precision casting slurry dipping shell making process.
Background
The slurry dipping and shell making processes of the traditional precision casting are carried out manually and are two procedures. Firstly, holding a handle on a wax mould pouring gate by two hands, lifting the wax mould into a slurry dipping machine, rotating the wax mould for dipping slurry, lifting the wax mould after finishing dipping slurry, turning the wax mould left and right up and down for emptying slurry, and finishing the slurry dipping process. And then the wax mould dipped with the slurry is lifted to a sand pouring barrel (machine) or a sand table for sand pouring, and the process is also that the wax mould is rotated for sand pouring and sand emptying. The process has high labor intensity and high operation difficulty. And the thickness and uniformity of the slurry layer and the sand layer have great influence on the quality of the precision casting. In addition, the precision casting slurry dipping shell manufacturing center in the current market has the disadvantages of high equipment manufacturing cost, large occupied area, unsuitability for various and small-batch production, high manufacturing cost, high maintenance difficulty, unsuitability for automatic production lines, unsuitability for some enterprises and influence on the popularization and use of equipment.
Disclosure of Invention
The invention aims to solve the technical problem of providing a precision casting slurry dipping and shell making center with walking, which has compact structure, small occupied area, easy maintenance and low manufacturing cost and is suitable for assembly line operation.
Aiming at the above, the technical problem to be solved by the invention is to provide a precision casting slurry dipping and shell making center which has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use; the technical problems to be solved and the advantages to be achieved are set forth in the description which follows and in the detailed description of the embodiments.
In order to solve the problems, the technical scheme adopted by the invention is as follows:
a precision casting slurry dipping and shell making center comprises a rack, a guide rail supporting device arranged on the rack, a swing arm device arranged on the guide rail supporting device, a turnover device arranged on the swing arm device and a grabbing device which is arranged on the turnover device and used for grabbing a wax mold;
the guide rail supporting device comprises a transmission device arranged on the rack, a servo motor, a swing arm and a retainer, wherein the upper end of the servo motor is in transmission connection with the transmission device, the swing arm is connected with the transmission device, and the upper end of the retainer is connected with the lower end of the swing arm;
the transmission device comprises a first worm and gear speed reducer connected with the servo motor, a bearing seat arranged on the movable guide rail device, a rotating shaft arranged on the bearing seat and connected with the first worm and gear speed reducer, a swing arm with one end fixedly connected with the rotating shaft, a fixed shaft arranged at the other end of the swing arm and a connecting flange fixedly connected with one end of the fixed shaft; the swing arm is positioned on one side of the rotating shaft, and the retainer is connected with the connecting flange;
the turnover device comprises a fixed frame connected with the retainer, a cylinder body arranged at the upper end of the fixed frame, and a piston rod arranged on the cylinder body; the piston rod is connected with a guiding device which slides along the fixing frame.
As a further improvement of the above technical solution:
the upper end of the fixed frame is provided with an upper cover, the lower end of the fixed frame is provided with a lower cover, the upper cover is connected with the cylinder body through a bolt, and the guide device is arranged between the upper cover and the lower cover;
the guide device comprises a sliding key arranged on the side wall of the fixing frame, an upper guide seat, a lower guide seat, a pressing rod and a guide groove, wherein the upper end of the upper guide seat is connected with the lower end of the piston rod, the upper end of the lower guide seat is connected with the lower end of the upper guide seat, the upper end of the lower guide seat is connected with the lower end of the lower guide seat and penetrates through the lower cover, the guide groove is arranged on the lower guide seat and is axially arranged along the piston rod, and the sliding key.
The turnover transmission device is mounted on the fixed frame, the turnover transmission device is in transmission connection with the turnover motor, the rotating sleeve is sleeved at the lower end of the pressing rod, the pressing rod is in clearance fit with the rotating sleeve, and the turnover transmission device is connected with the rotating sleeve.
The turnover transmission device comprises a second worm gear speed reducer connected with the fixing frame, and the rotating sleeve is connected with a worm wheel of the second worm gear speed reducer.
The grabbing device comprises a grabbing head flange, the upper end of which is connected with the lower end of the rotating sleeve, a grabbing head seat, an inner through hole, an inner spigot, a pressure head and a positioning inner cone, wherein the upper end of the grabbing head flange is connected with the lower end of the grabbing head flange; the taper of the positioning inner cone is consistent with that of the top end of the wax mould, and the inner diameter of the inner through hole is larger than the outer diameter of the shaft part at the top end of the wax mould;
the inner through hole is radially provided with a transverse insertion hole, the transverse insertion hole is communicated with the inner through hole, and the transverse insertion hole is connected with the wax mold through a connecting pin in insertion.
The invention has the following beneficial effects:
1. the invention has the advantages of high efficiency, accurate position, simple operation and the like of the common manipulator; the price is low, and the device can be suitable for various working occasions;
2. the transverse insertion holes are formed, so that the installation is convenient, and the operation is convenient;
3. the taper positioning is adopted, and the positioning is accurate;
4. a servo motor is adopted to realize intelligent control;
5. the transmission device is driven by a bevel gear, so that the space is saved;
6. the worm gear is adopted for accurate transmission; the guide device is adopted, so that the movement is accurate;
7. the fixing frame structure is adopted, so that the structure is firm and durable; the sliding key and the guide groove are adopted, so that the guide and the positioning are accurate;
8. a pressure lever and a rotating sleeve are adopted; reasonable in design, convenient to use.
The advantages of the invention are not limited to this description, but rather are described in greater detail in the detailed description for better understanding.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a rotating shaft according to the present invention;
FIG. 3 is a schematic structural view of a swing arm of the present invention;
FIG. 4 is an enlarged view of the portion A of FIG. 3;
FIG. 5 is an enlarged view of the portion B of FIG. 3;
FIG. 6 is a schematic view of the construction of the indenter of the present invention;
in the drawings: 2. A guide rail supporting device; 3. a swing arm device; 4. a turning device; 5. a gripping device; 6. wax pattern; 25. a servo motor; 26. a first worm gear reducer; 27. a bearing seat; 28. a rotating shaft; 29. swinging arms; 30. a connecting flange; 31. a fixed shaft; 32. a cylinder body; 33. an upper cover; 34. a fixed mount; 35. a sliding key; 36. a piston rod; 37. an upper guide seat; 38. a guide groove; 39. a lower guide seat; 40. a pressure lever; 41. a lower cover; 42. turning over a motor; 43. a second worm gear reducer; 44. rotating the sleeve; 45. a gripper flange; 46. a gripper seat; 47. a pressure head; 48. a connecting pin; 49. positioning the inner cone; 50. a holder; 51. an inner spigot; 52. an inner through hole; 53. and (5) transversely inserting the holes.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description is made with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6: the wax pattern gripping device comprises a rack, a guide rail supporting device 2 arranged on the rack, a swing arm device 3 arranged on the guide rail supporting device 2, a turnover device 4 arranged on the swing arm device 3, and a gripping device 5 which is arranged on the turnover device 4 and is used for gripping a wax pattern 6.
The guide rail supporting device 2 comprises a transmission device connected with a frame, a servo motor 25 connected with the transmission device, a swing arm 29 connected with the transmission device, and a retainer 50 connected with the swing arm 29.
The transmission device may include a driving gear driven by the servo motor 25 to rotate, a driven gear engaged with the driving gear, and a gear box installed on the movable guide rail device, wherein the driving gear and the driven gear are both installed in the gear box, preferably, the driving gear is a driving bevel gear, and the driven gear is a driven bevel gear. The transmission device can also adopt common key-fit transmission or connecting rod transmission.
Preferably, the transmission device comprises a first worm gear speed reducer 26 connected with the servo motor 25, a bearing seat 27 mounted on the movable guide rail device, a rotating shaft 28 mounted on the bearing seat 27 and connected with the first worm gear speed reducer 26, a rotating shaft 28 with one end fixedly connected with the swing arm 29, a fixed shaft 31 mounted at the other end of the swing arm 29 and a connecting flange 30 fixedly connected with one end of the fixed shaft 31; the swing arm 29 is located on one side of the rotating shaft 28, and the retainer 50 is connected with the connecting flange 30. Preferably, the right side plate 23 is provided with a bearing seat 27, the swing arm is connected with the support through a central shaft, and the swing of the swing arm is driven by a motor.
The turning device 4 of the present invention includes a fixed frame 34 connected to a holder 50, a cylinder 32 installed at an upper end of the fixed frame 34, and a piston rod 36 installed on the cylinder 32. Piston rod 36 may be pneumatically or hydraulically controlled.
Wherein the piston rod 36 is connected to a guide device which slides along the holder 34.
An upper cover 33 is mounted on the upper end of the fixing frame 34, a lower cover 41 is mounted on the lower end of the fixing frame 34, the upper cover 33 is connected with the cylinder body 32 through a bolt, and the guide device is mounted between the upper cover 33 and the lower cover 41.
Preferably, the guiding device includes a sliding key 35 mounted on the side wall of the fixed frame 34, an upper guide seat 37 connected with the piston rod 36, a lower guide seat 39 connected with the upper guide seat 37, a pressing rod 40 having one end connected with the lower guide seat 39 and penetrating through the lower cover 41, and a guiding groove 38 disposed on the lower guide seat 39 and axially disposed along the piston rod 36, wherein the sliding key 35 corresponds to the guiding groove 38. The sliding key 35 may also be a guide key, a guide block or a guide screw.
The invention is characterized in that a turning transmission device is arranged on a fixed frame 34, a turning motor 42, a rotating sleeve 44 sleeved on a pressure lever 40, the pressure lever 40 and the rotating sleeve 44 are in clearance fit, and the turning transmission device is connected with the rotating sleeve 44.
The flipping mechanism may include a driving gear driven by the flipping motor 42 to rotate, a driven gear engaged with the driving gear, and a gear box installed on the fixing frame 34, wherein the driving gear and the driven gear are both installed in the gear box, and preferably, the driving gear is a driving bevel gear, and the driven gear is a driven bevel gear.
The tilting gear may also include a second worm gear reducer 43 connected to the fixed frame 34, and the rotating sleeve 44 is connected to a worm gear of the second worm gear reducer 43.
The gripping device 5 comprises a gripping head flange 45 connected with the rotating sleeve 44, a gripping head seat 46 connected with the gripping head flange 45, an inner through hole 52 arranged in the gripping head seat 46, an inner spigot 51 positioned at the upper end of the inner through hole 52 and communicated with each other, a pressure head 47 arranged in the inner spigot 51 and connected with the pressure rod 40, and a positioning inner cone 49 arranged on the inner side wall of the lower end of the pressure head 47; the taper of the positioning inner cone 49 is consistent with the taper of the top end of the wax mould 6, and the inner diameter of the inner through hole 52 is larger than the outer diameter of the shaft part at the top end of the wax mould 6.
The inner through hole 52 is provided with a transverse insertion hole 53 along the radial direction, the transverse insertion hole 53 is communicated with the inner through hole 52, and the transverse insertion hole 53 is connected with the wax mold 6 through the inserted connecting pin 48.
The specific working mode is as follows:
when the invention is used for specific work, full-automatic or manual control can be adopted.
1. Installation: the cone part at the top end of the wax mould 6 is matched and positioned with the positioning inner cone 49, and the connecting pin 48 is manually inserted to connect the transverse insertion hole 53 with the wax mould 6, namely, the wax mould 6 is hung on the grabbing head seat 46 of the manipulator; 2. and (3) compacting: when the start button is pressed, the cylinder body 32 drives the piston rod 36, the piston rod 36 drives the lower guide seat 39 to slide along the fixed frame 34 through the sliding key 35 and the guide groove 38, and the compression rod 40 compresses the wax mould 6; 3. turning: the second worm gear reducer 43 drives the rotating sleeve 44 to rotate, so that the wax mold 6 rotates together with the gripper seat 46 through the connecting pin 48; 4. swinging: the servo motor 25 sequentially drives the first worm and gear speed reducer 26 and the rotating shaft 28 to rotate, so that the swing arm 29 swings around the axis of the rotating shaft 28, and sequentially drives the fixed shaft 31, the connecting flange 30 and the retainer 50 to swing, and of course, all or part of the rotating shaft 28, the swing arm 29, the fixed shaft 31, the connecting flange 30 and the retainer 50 can be integrated, or can be connected by welding or bolts. The servo motor 25 is controlled through PCL programming to set the swing time and swing amplitude of the swing arm 29; 5. disassembling: removal is as opposed to installation, and the wax pattern 6 can be removed by retracting the piston rod 36, removing the connecting pin 48.
The working process in actual use is as follows: 1, mounting; 2, walking, and conveying the wax mold 6 to a slurry dipping machine; 3, swinging, and putting the wax mold 6 into a slurry dipping machine; 4, turning over, and automatically dipping the wax mold 6 into slurry; 5, swinging to take the wax mould 6 out of the slurry dipping machine; 6, swinging, and enabling the wax mold 6 to rotate from the empty slurry; 7, walking, and conveying the wax mold 6 to a sand drenching machine; 8, turning over, and spraying sand by rotating the wax mold 6; and 9, turning over, and rotating the wax mold 6 to empty the sand.
The invention has flexible operation, can change the parameter of any step at any time according to the requirement, and is very suitable for single piece small batch production.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
The invention has the advantages of reasonable design, low cost, firmness, durability, safety, reliability, simple operation, time and labor saving, capital saving, compact structure and convenient use.
The present invention has been described in sufficient detail to enable a clear disclosure, but is not limited to the prior art.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; it is obvious as a person skilled in the art to combine several aspects of the invention. And such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (1)
1. The utility model provides a precision casting is stained with thick liquid system shell center which characterized in that: the wax mold picking device comprises a rack, a guide rail supporting device (2) arranged on the rack, a swing arm device (3) arranged on the guide rail supporting device (2), a turnover device (4) arranged on the swing arm device (3) and a grabbing device (5) which is arranged on the turnover device (4) and used for grabbing a wax mold (6);
the guide rail supporting device (2) comprises a transmission device arranged on the rack, a servo motor (25) with the upper end in transmission connection with the transmission device, a swing arm (29) connected with the transmission device, and a retainer (50) with the upper end connected with the lower end of the swing arm (29);
the transmission device comprises a first worm and gear speed reducer (26) connected with the servo motor (25), a bearing seat (27) arranged on the movable guide rail device, a rotating shaft (28) arranged on the bearing seat (27) and connected with the first worm and gear speed reducer (26), a swing arm (29) with one end fixedly connected with the rotating shaft (28), a fixed shaft (31) arranged at the other end of the swing arm (29) and a connecting flange (30) fixedly connected with one end of the fixed shaft (31); the swing arm (29) is positioned on one side of the rotating shaft (28), and the retainer (50) is connected with the connecting flange (30);
the turnover device (4) comprises a fixed frame (34) connected with the retainer (50), a cylinder body (32) arranged at the upper end of the fixed frame (34), and a piston rod (36) arranged on the cylinder body (32); the piston rod (36) is connected with a guide device which slides along the fixed frame (34);
an upper cover (33) is mounted at the upper end of the fixed frame (34), a lower cover (41) is mounted at the lower end of the fixed frame (34), the upper cover (33) is connected with the cylinder body (32) through bolts, and the guide device is mounted between the upper cover (33) and the lower cover (41);
the guide device comprises a sliding key (35) arranged on the side wall of the fixed frame (34), an upper guide seat (37) with the upper end connected with the lower end of the piston rod (36), a lower guide seat (39) with the upper end connected with the lower end of the upper guide seat (37), a pressure lever (40) with the upper end connected with the lower end of the lower guide seat (39) and penetrating through the lower cover (41), and a guide groove (38) arranged on the lower guide seat (39) and axially arranged along the piston rod (36), wherein the sliding key (35) corresponds to the guide groove (38);
the turnover transmission device is arranged on the fixed frame (34), is in transmission connection with the turnover transmission device and is connected with a turnover motor (42), a rotating sleeve (44) sleeved at the lower end of the pressure lever (40), the pressure lever (40) is in clearance fit with the rotating sleeve (44), and the turnover transmission device is connected with the rotating sleeve (44);
the overturning transmission device comprises a second worm gear speed reducer (43) connected with the fixed frame (34), and the rotating sleeve (44) is connected with a worm wheel of the second worm gear speed reducer (43);
the grabbing device (5) comprises a grabbing head flange (45) of which the upper end is connected with the lower end of the rotating sleeve (44), a grabbing head seat (46) of which the upper end is connected with the lower end of the grabbing head flange (45), an inner through hole (52) arranged in the grabbing head seat (46), an inner spigot (51) which is positioned at the upper end of the inner through hole (52) and is mutually communicated with the inner through hole (52), a pressure head (47) which is arranged in the inner spigot (51) and is connected with the lower end of the pressure rod (40), and a positioning inner cone (49) which is arranged on the inner side wall of the lower end of the pressure head (47); the taper of the positioning inner cone (49) is consistent with that of the top end of the wax mould (6), and the inner diameter of the inner through hole (52) is larger than the outer diameter of the shaft part at the top end of the wax mould (6);
the inner through hole (52) is provided with a transverse plug-in hole (53) along the radial direction, the transverse plug-in hole (53) is communicated with the inner through hole (52), and the transverse plug-in hole (53) is connected with the wax mold (6) through a plug-in connecting pin (48).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417967.XA CN108188347B (en) | 2017-12-25 | 2017-12-25 | Precision casting slurry dipping shell making center |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711417967.XA CN108188347B (en) | 2017-12-25 | 2017-12-25 | Precision casting slurry dipping shell making center |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108188347A CN108188347A (en) | 2018-06-22 |
| CN108188347B true CN108188347B (en) | 2020-05-05 |
Family
ID=62583902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711417967.XA Expired - Fee Related CN108188347B (en) | 2017-12-25 | 2017-12-25 | Precision casting slurry dipping shell making center |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108188347B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8220523B2 (en) * | 2010-09-16 | 2012-07-17 | Anderson & Associates | Method and apparatus for manipulating investment casting mold handlers |
| CN103495706B (en) * | 2013-10-17 | 2015-07-01 | 山东先河悦新机电股份有限公司 | Mold-melting shell maker |
-
2017
- 2017-12-25 CN CN201711417967.XA patent/CN108188347B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN108188347A (en) | 2018-06-22 |
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| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200320 Address after: 325000 Shangzhuang village, Puzhou street, Longwan District, Wenzhou City, Zhejiang Province Applicant after: Wang Liuqin Address before: 325000 Wenchang Road 209, Puzhou Street, Longwan District, Wenzhou City, Zhejiang Province Applicant before: WENZHOU ZHIXIN ELECTROMECHANICAL TECHNOLOGY Co.,Ltd. |
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Effective date of registration: 20220105 Address after: 528000 No. 1, East 2nd Street, Xinbu Avenue, Xincheng community, Leliu street, Shunde District, Foshan City, Guangdong Province (residence declaration) Patentee after: Foshan Jingrui Intelligent Technology Co.,Ltd. Address before: 325000 Shangzhuang village, Puzhou street, Longwan District, Wenzhou City, Zhejiang Province Patentee before: Wang Liuqin |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200505 |