CN110434298B - Sand casting die sleeve box system - Google Patents
Sand casting die sleeve box system Download PDFInfo
- Publication number
- CN110434298B CN110434298B CN201910748295.3A CN201910748295A CN110434298B CN 110434298 B CN110434298 B CN 110434298B CN 201910748295 A CN201910748295 A CN 201910748295A CN 110434298 B CN110434298 B CN 110434298B
- Authority
- CN
- China
- Prior art keywords
- cleaning
- clamp
- transverse moving
- transverse
- longitudinal
- Prior art date
- 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.)
- Active
Links
- 238000007528 sand casting Methods 0.000 title claims abstract description 8
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 230000005540 biological transmission Effects 0.000 claims description 21
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000003110 molding sand Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G37/00—Combinations of mechanical conveyors of the same kind, or of different kinds, of interest apart from their application in particular machines or use in particular manufacturing processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G47/00—Article or material-handling devices associated with conveyors; Methods employing such devices
- B65G47/74—Feeding, transfer, or discharging devices of particular kinds or types
- B65G47/90—Devices for picking-up and depositing articles or materials
- B65G47/901—Devices for picking-up and depositing articles or materials provided with drive systems with rectilinear movements only
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning In General (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
Abstract
The invention provides a sand casting die box system, which comprises a conveying belt, wherein upright posts are fixed on two sides of the conveying belt, transverse moving tracks are arranged at the tops of the upright posts and are parallel to each other, the transverse moving tracks are distributed along the direction of the conveying belt, a cross-shaped structure is formed between the installed transverse moving tracks and the conveying belt, a transverse moving frame is movably installed on the transverse moving tracks through a transverse assembly, a longitudinal moving seat is movably installed on the transverse moving frame through a longitudinal moving assembly, a clamp lifting cylinder is installed at the top of the longitudinal moving seat, a piston rod of the clamp lifting cylinder is downwards connected with a box clamp, and a box cleaning assembly is installed in the box clamp. The structure is reasonable after the scheme is adopted, the use effect is good, and the operation is convenient.
Description
Technical Field
The invention relates to the technical field of automobile parts, in particular to a sand casting die sleeve box system.
Background
When the existing hub is produced, the disassembled sleeve boxes are cleaned manually, then the molding sand and the sleeve boxes are conveyed to a workplace through two corresponding conveying belts respectively, then the sleeve boxes are lifted and sleeved on the molding sand manually, and then the next working procedure is carried out, so that the labor intensity is high, and the efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sand casting die sleeve box system which is reasonable in structure, good in using effect and convenient to operate.
In order to achieve the above purpose, the technical scheme provided by the invention is as follows: the utility model provides a sand casting die set case system, it is including the conveyer belt, the conveyer belt both sides are fixed with the stand, the stand top is equipped with the lateral shifting track, the lateral shifting track is two that are parallel to each other, distribute along conveyer belt width direction, form "ten" font between lateral shifting track after the installation and the conveyer belt, there is the lateral shifting frame through transverse assembly movable mounting on the lateral shifting track, there is the longitudinal movement seat through longitudinal shifting subassembly movable mounting on the lateral shifting frame, the anchor clamps lift cylinder is installed at the longitudinal movement seat top, the piston rod of anchor clamps lift cylinder is downwards connected with the set case anchor clamps, install the set case clearance subassembly in the set case anchor clamps.
The box clamp comprises clamp arms and clamp taking seats, wherein the top parts of the clamp taking seats are connected with clamp lifting cylinders, clamp arm hinge plates are fixed at two ends of the bottom parts of the clamp taking seats, the top parts of the clamp arms are movably hinged with the clamp arm hinge plates, adjusting components are arranged at the bottom parts of the clamp arms, clamp taking cylinders are hinged between the upper parts of two clamp arms, the clamp arms are H-shaped, the clamp taking cylinders are positioned at the upper parts of one fork arm of the clamp arms, and the adjusting components are respectively positioned at the bottoms of corresponding fork arms of the clamp arms; the adjusting assembly comprises clamping plates, clamping plate adjusting screws and an adjusting handle, wherein one ends of the clamping plate adjusting screws are connected with the adjusting handle, the other ends of the clamping plate adjusting screws penetrate through clamping arms to be movably connected with the clamping plates, the two installed clamping plates are opposite, and rubber buffer pads are fixed on the side walls of the opposite sides of the two installed clamping plates.
The longitudinal moving assembly comprises a longitudinal pulley and a longitudinal telescopic cylinder, wherein the longitudinal pulley is arranged at two sides of a longitudinal moving seat through a wheel shaft, two sides of a transverse moving frame are provided with running grooves with opposite groove bodies, a cross shape is formed between the central line of the running groove and the central line of a transverse moving track, the longitudinal pulley is positioned in the running groove, the longitudinal telescopic cylinder is arranged on the transverse moving frame at one end of the running groove, and the longitudinal telescopic cylinder is connected with the longitudinal moving seat.
The transverse assembly comprises an anti-collision edge, limiting plates and driven racks, wherein the end parts of the two ends of the top of the transverse moving frame horizontally extend to form the anti-collision edge, the vertical limiting plates are fixed at the top of the box cover frame at the two ends of the transverse moving rail, pulley mounting plates are fixed at the two ends of the bottom of the transverse moving frame, transverse pulleys are mounted at the bottoms of the pulley mounting plates through wheel shafts, the transverse pulleys are supported by the transverse moving rail, the driven racks are fixed at the bottoms of one ends of the transverse moving frame, the length direction of the driven racks is consistent with the length direction of the transverse moving rail, a hollow square tube is fixed in the middle of the transverse moving rail, a transmission motor is mounted at one end of the square tube, a transmission shaft of the transmission motor penetrates through a cavity of the square tube to be connected with a transmission gear, and the transmission gear is meshed with the driven racks; the cross section of the transverse pulley is in a transverse convex shape, the protruding part of the convex shape is a walking ring, the ring surface of the walking ring is supported by the transverse moving rail, the cross arm of the convex shape is a limiting ring, one end of the limiting ring is connected with the wheel shaft through a bearing, and the other end of the limiting ring is in contact limit with the inner side wall of the transverse moving rail.
The cleaning assembly of the glove box comprises a cleaning brush and a cleaning rod, wherein guide posts with the number larger than 2 are fixed at the bottom of a longitudinally moving seat outside a lifting cylinder of the clamp, the bottoms of the guide posts downwards penetrate through a clamping seat to be connected with the top of a cleaning frame, the cleaning frame after installation is positioned between two clamping arms, the cleaning frame is square, the cleaning rod is four and is made of a metal rod or a plastic rod, the length of the cleaning rod is smaller than the length of the inner wall of the glove box to be cleaned, cleaning springs are connected at two ends of the cleaning rod, the cleaning springs are connected with the outer side wall of the cleaning frame, cleaning brushes are coated on the surfaces of the cleaning rod, end parts of the two opposite cleaning rod ends are connected with cleaning balls, and the cleaning brushes and the cleaning balls are made of steel wire brushes or brushes.
After the scheme is adopted, one of the two conveying belts is used for conveying molding sand, and the other is used for conveying the pouring jacket, when the molding sand and the pouring jacket run below the transverse moving track, the transverse assembly drives the transverse moving frame, the longitudinal moving assembly drives the longitudinal moving seat, the pouring jacket clamp runs above the pouring jacket, the pouring jacket is grabbed, the inner side wall of the pouring jacket is cleaned through the pouring jacket cleaning assembly after the grabbing, and the pouring jacket is driven to be sleeved on the molding sand by the transverse assembly and the longitudinal moving assembly.
Drawings
Fig. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of a transverse assembly of the present invention.
Fig. 3 is a schematic view of a longitudinally moving assembly of the present invention.
Fig. 4 is a schematic structural view of the box clamp of the present invention.
Fig. 5 is an enlarged partial schematic view of the box clamp.
Fig. 6 is a schematic view of a bin cleaning assembly according to the present invention.
Detailed Description
The invention is further described below with reference to all drawings, in which preferred embodiments of the invention are: referring to fig. 1 to 6, a sand casting die box system according to this embodiment includes a conveyor belt, two sides of the conveyor belt are fixed with columns, the tops of the columns are provided with transverse moving rails 2, the transverse moving rails 2 are two parallel to each other and distributed along the direction of the conveyor belt, a cross-shaped structure is formed between the mounted transverse moving rails 2 and the conveyor belt, a transverse moving frame 3 is movably mounted on the transverse moving rails 2 through a transverse component, a longitudinal moving seat 1 is movably mounted on the transverse moving frame 3 through a longitudinal moving component, a clamp lifting cylinder 201 is mounted at the top of the longitudinal moving seat 1, a piston rod of the clamp lifting cylinder 201 is connected with a box clamp downwards, and a box cleaning component is mounted in the box clamp.
The box clamp comprises clamping arms 205 and clamping seats 204, wherein the top of the clamping seats 204 is connected with clamp lifting cylinders 201, clamping arm hinge plates are fixed at two ends of the bottom of the clamping seats 204, the top of each clamping arm 205 is movably hinged with each clamping arm hinge plate, adjusting components are arranged at the bottom of each clamping arm 205, clamping cylinders 202 are hinged between the upper parts of the two clamping arms 205, each clamping arm 205 is H-shaped, each clamping cylinder 202 is positioned at the upper part of one fork arm of each clamping arm 205, and the adjusting components are four groups and are respectively positioned at the bottoms of corresponding fork arms of the clamping arms 205; the adjusting component comprises clamping plates 207, clamping plate adjusting screws 208 and an adjusting handle 209, wherein one end of each clamping plate adjusting screw 208 is connected with the adjusting handle 209, the other end of each clamping plate adjusting screw 208 penetrates through the clamping arm 205 to be movably connected with the clamping plates 207, the two installed clamping plates 207 are opposite, and rubber buffer pads 206 are fixed on the side walls of the opposite sides of the two clamping plates 207.
The longitudinal moving assembly comprises longitudinal pulleys and longitudinal telescopic cylinders 203, wherein the longitudinal pulleys are arranged on two sides of a longitudinal moving seat 1 through wheel shafts, two sides of a transverse moving frame 3 are provided with running grooves with opposite groove bodies, a cross shape is formed between the central line of the running groove and the central line of a transverse moving track 2, the longitudinal pulleys are positioned in the running grooves, the longitudinal telescopic cylinders 203 are arranged on the transverse moving frame 3 at one end of each running groove, and the longitudinal telescopic cylinders 203 are connected with the longitudinal moving seat 1.
The transverse assembly comprises an anti-collision edge 4, limiting plates 5 and driven racks 8, wherein the end parts of the two ends of the top of the transverse moving frame 3 horizontally extend to form the anti-collision edge 4, the vertical limiting plates 5 are fixed at the tops of the box frames at the two ends of the transverse moving rail 2, pulley mounting plates 6 are fixed at the two ends of the bottom of the transverse moving frame 3, transverse pulleys 7 are mounted at the bottoms of the pulley mounting plates 6 through wheel shafts, the transverse pulleys 7 are supported by the transverse moving rail 2, the driven racks 8 are fixed at the bottoms of one ends of the transverse moving frame 3, the length direction of the driven racks 8 is consistent with the length direction of the transverse moving rail 2, a hollow square tube 9 is fixed in the middle of the transverse moving rail 2, a transmission motor is mounted at one end of the square tube 9, a transmission shaft of the transmission motor penetrates through a cavity of the square tube 9 to be connected with a transmission gear 10, and the transmission gear 10 is meshed with the driven racks 8; the cross section of the transverse pulley 7 is in a transverse convex shape, the protruding part of the convex shape is a walking ring, the ring surface of the walking ring is supported by the transverse moving track 2, the cross arm of the convex shape is a limiting ring, one end of the limiting ring is connected with the wheel shaft through a bearing, and the other end of the limiting ring is in contact limiting with the inner side wall of the transverse moving track 2.
The cleaning assembly of the kit comprises cleaning brushes 302 and cleaning rods 307, wherein guide posts 303 with the number larger than 2 are fixed at the bottom of a longitudinally moving seat 1 on the outer side of a clamp lifting cylinder 201, the bottoms of the guide posts 303 penetrate through a clamping seat 204 downwards to be connected with the tops of cleaning frames 304, the installed cleaning frames 304 are located between two clamping arms 205, the cleaning frames 304 are square frame-shaped, the cleaning rods 307 are four, the cleaning rods 307 are made of metal rods or plastic rods, the length of the cleaning rods is smaller than the length of the inner wall of the kit to be cleaned, cleaning springs 306 are connected to the two ends of the cleaning rods 307, the cleaning springs 306 are connected with the outer side walls of the cleaning frames 304, cleaning brushes 302 are coated on the surfaces of the cleaning rods 307, the end portions of the two opposite cleaning rods 307 are connected with end springs 301 to be connected with cleaning balls 305, and the cleaning brushes 302 and the cleaning balls 305 are made of steel brushes or brushes.
The control mode can manually control the corresponding air cylinders, or can adopt PLC control, and a controller of Shenzhen XX science and technology company is adopted during PLC control, the conveying belt of the scheme is two, one of the conveying belts is a molding sand conveying belt, and the other is a box conveying belt, when molding sand and a box are conveyed below a transverse moving track, a transmission motor drives a transmission gear to rotate, and a driven rack is driven to move through the transmission gear, so that a transverse moving frame is moved to the position above the box conveying belt; the method comprises the steps that a piston rod of a longitudinal telescopic cylinder stretches out to drive a longitudinal moving seat to move right above a sleeve box to be grabbed, a clamping cylinder is opened, two clamping arms are opened, the piston rod of a clamp lifting cylinder stretches out to drive the clamping seat to descend, when the lower parts of the clamping arms descend to two sides of the sleeve box, the clamping cylinder contracts to clamp the sleeve box through the two clamping plates, the distance between the two clamping plates can be adjusted through an adjusting screw so as to adapt to the sleeve box with different sizes, the clamping cylinder contracts to clamp the sleeve box to ascend through the clamping arms, when the sleeve box ascends to a cleaning frame position, the distance between two cleaning balls on the same cleaning rod is slightly larger than the length of the side wall of the sleeve box to be cleaned, the lengths of the cleaning brushes on the two opposite cleaning rods are also slightly larger than the length of the side wall of the sleeve box to be cleaned, and the cleaning rods are replaced according to the size of the sleeve box, and the replacement mode is a conventional mode; the clamp lifting cylinder drives the sleeve box to repeatedly lift for two to three times, and the cleaning of the sleeve box is completed; the transmission motor drives the transmission gear to rotate, and the driven rack is driven to move through the transmission gear, so that the transverse moving frame moves to the position above the molding sand conveying belt; the piston rod of the longitudinal telescopic cylinder drives the longitudinal moving seat to move to the position right above the molding sand to be sleeved, the piston rod of the clamp lifting cylinder stretches out and drives the clamping seat to descend so that the sleeve box is sleeved on the molding sand, the clamping cylinder opens, the sleeve box is loosened, and the sleeve box operation is completed.
The above-mentioned embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention, so that all changes made in the shape and principles of the present invention are covered by the scope of the present invention.
Claims (1)
1. The utility model provides a sand casting die sleeve case system, it includes conveyer belt, its characterized in that: the two sides of the conveying belt are fixedly provided with upright posts, the tops of the upright posts are provided with two transverse moving rails (2) which are parallel to each other, the transverse moving rails (2) are distributed along the direction of the width of the conveying belt, a cross-shaped structure is formed between the installed transverse moving rails (2) and the conveying belt, a transverse moving frame (3) is movably installed on the transverse moving rails (2) through a transverse assembly, a longitudinal moving seat (1) is movably installed on the transverse moving frame (3) through a longitudinal moving assembly, a clamp lifting cylinder (201) is installed at the top of the longitudinal moving seat (1), a piston rod of the clamp lifting cylinder (201) is downwards connected with a box clamp, and a box cleaning assembly is installed in the box clamp;
The box clamp comprises clamp arms (205) and clamp taking seats (204), wherein the tops of the clamp taking seats (204) are connected with clamp lifting cylinders (201), clamp arm hinge plates are fixed at two ends of the bottoms of the clamp taking seats (204), the tops of the clamp arms (205) are movably hinged with the clamp arm hinge plates, adjusting components are mounted at the bottoms of the clamp arms (205), clamp taking cylinders (202) are hinged between the upper parts of the two clamp arms (205), the clamp arms (205) are H-shaped, the clamp taking cylinders (202) are located on the upper parts of one fork arm of the clamp arms (205), and the four groups of adjusting components are respectively located at the bottoms of corresponding fork arms of the clamp arms (205); the adjusting assembly comprises clamping plates (207), clamping plate adjusting screws (208) and an adjusting handle (209), wherein one end of each clamping plate adjusting screw (208) is connected with the adjusting handle (209), the other end of each clamping plate adjusting screw (208) penetrates through each clamping arm (205) to be movably connected with each clamping plate (207), the two installed clamping plates (207) are opposite, and rubber buffer pads (206) are fixed on the side walls of the opposite sides of the two clamping plates;
The longitudinal moving assembly comprises a longitudinal pulley and a longitudinal telescopic cylinder (203), wherein the longitudinal pulley is arranged at two sides of the longitudinal moving seat (1) through a wheel shaft, two sides of the transverse moving frame (3) are provided with running grooves with opposite groove bodies, a cross shape is formed between the central line of the running groove and the central line of the transverse moving rail (2), the longitudinal pulley is positioned in the running groove, the longitudinal telescopic cylinder (203) is arranged on the transverse moving frame (3) at one end of the running groove, and the longitudinal telescopic cylinder (203) is connected with the longitudinal moving seat (1);
The transverse assembly comprises an anti-collision edge (4), a limiting plate (5) and a driven rack (8), wherein the end parts of the two ends of the top of the transverse moving frame (3) horizontally extend to form the anti-collision edge (4), the top of the box frame at the two ends of the transverse moving rail (2) is fixedly provided with the vertical limiting plate (5), the two ends of the bottom of the transverse moving frame (3) are fixedly provided with pulley mounting plates (6), the bottoms of the pulley mounting plates (6) are provided with transverse pulleys (7) through wheel shafts, the transverse pulleys (7) are supported by the transverse moving rail (2), the bottom of one end of the transverse moving frame (3) is fixedly provided with the driven rack (8), the length direction of the driven rack (8) is consistent with the length direction of the transverse moving rail (2), the middle part of the transverse moving rail (2) is fixedly provided with a hollow square tube (9), one end of the square tube (9) is provided with a transmission motor, and a transmission shaft of the transmission motor penetrates through a cavity of the square tube (9) to be connected with a transmission gear (10), and the transmission gear (10) is meshed with the driven rack (8). The cross section of the transverse pulley (7) is in a transverse convex shape, the protruding part of the convex shape is a walking ring, the ring surface of the walking ring is supported by the transverse moving track (2), the cross arm of the convex shape is a limiting ring, one end of the limiting ring is connected with the wheel shaft through a bearing, and the other end of the limiting ring is in contact limit with the inner side wall of the transverse moving track (2);
The cleaning assembly for the cleaning box comprises a cleaning brush (302) and a cleaning rod (307), wherein guide posts (303) with the quantity larger than 2 are fixed at the bottom of a longitudinal moving seat (1) on the outer side of a clamp lifting cylinder (201), the bottoms of the guide posts (303) downwards penetrate through a clamping seat (204) to be connected with the top of a cleaning frame (304), the cleaning frame (304) after installation is positioned between two clamp arms (205), the cleaning frame (304) is square, the cleaning rod (307) is four, the cleaning rod (307) is made of metal rods or plastic rods, the length of the cleaning rod is smaller than the length of the inner wall of the cleaning box, cleaning springs (306) are connected to the two ends of the cleaning rod (307), the cleaning springs (306) are connected with the outer side walls of the cleaning frame (304), the cleaning brush (302) are coated on the surfaces of the cleaning rod (307), the two opposite end portions of the cleaning rod (307) are connected with end springs (301) to be connected with cleaning balls (305), and the cleaning brush (302) and the cleaning balls (305) are made of steel brushes or the brushes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748295.3A CN110434298B (en) | 2019-08-14 | 2019-08-14 | Sand casting die sleeve box system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910748295.3A CN110434298B (en) | 2019-08-14 | 2019-08-14 | Sand casting die sleeve box system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110434298A CN110434298A (en) | 2019-11-12 |
| CN110434298B true CN110434298B (en) | 2024-06-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910748295.3A Active CN110434298B (en) | 2019-08-14 | 2019-08-14 | Sand casting die sleeve box system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110434298B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112499281A (en) * | 2020-11-12 | 2021-03-16 | 华美洁具有限公司 | Auxiliary stacking device for conjoined toilet seat packaging body |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211218584U (en) * | 2019-08-14 | 2020-08-11 | 湖南省品源机械制造有限公司 | Sand mould pouring jacket system |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006136908A (en) * | 2004-11-11 | 2006-06-01 | Sintokogio Ltd | Molding flask cleaning apparatus |
| CN201008945Y (en) * | 2006-12-05 | 2008-01-23 | 天津市亨特尔机电发展有限公司 | Slip jacket active cleaning mechanism |
| KR20080065169A (en) * | 2007-01-08 | 2008-07-11 | 대한중공업(주) | Arch type glass roof automatic cleaning device |
| CN206519360U (en) * | 2017-01-10 | 2017-09-26 | 广州铸星机械有限公司 | One kind set frame cleaning structure |
| CN107138718B (en) * | 2017-06-20 | 2023-04-07 | 辉县市博新机械有限公司 | Automatic casting pressing and sleeving gripper traveling system |
-
2019
- 2019-08-14 CN CN201910748295.3A patent/CN110434298B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN211218584U (en) * | 2019-08-14 | 2020-08-11 | 湖南省品源机械制造有限公司 | Sand mould pouring jacket system |
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| Publication number | Publication date |
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| CN110434298A (en) | 2019-11-12 |
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