CN219521816U - Grinding wheel compression molding equipment - Google Patents
Grinding wheel compression molding equipment Download PDFInfo
- Publication number
- CN219521816U CN219521816U CN202320827474.8U CN202320827474U CN219521816U CN 219521816 U CN219521816 U CN 219521816U CN 202320827474 U CN202320827474 U CN 202320827474U CN 219521816 U CN219521816 U CN 219521816U
- Authority
- CN
- China
- Prior art keywords
- wall
- tray
- rotary
- fixedly connected
- groups
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Landscapes
- Cleaning In General (AREA)
Abstract
The utility model discloses grinding wheel compression molding equipment which comprises negative pressure equipment, a filtering and recycling device, a hydraulic press and a molding die. According to the utility model, the hydraulic cylinder has six strokes of sinking pre-pressing, rising exhausting, sinking compaction, rising resetting, sinking cleaning and rising resetting again, when the pressing is completed, the tray is driven by the cylinder to move to the position right below the upper die, the hydraulic cylinder moves to the sinking cleaning stroke, the lower wall of the upper die is contacted with the brush wires, the turntable is driven by the motor to rotate, the brush wires are driven by the turntable to clean the lower surface of the upper die, the falling raw materials are sucked through the negative pressure equipment through the air pipe, the rotary joint, the air suction hole in the rotating shaft and the through hole in the brush plate, and are filtered by the filtering and recycling device for subsequent reuse, so that the problems of labor and effort and potential safety hazards in manual cleaning of the lower surface of the upper die in the prior art are solved.
Description
Technical Field
The utility model relates to the technical field of grinding wheel production, in particular to grinding wheel compression molding equipment.
Background
When the grinding wheel is pressed and formed, abrasive materials and binder are placed into a lower die, after uniform distribution, a hydraulic cylinder piston of a hydraulic machine tool pushes a sliding table to move downwards, an upper die on the lower wall of the sliding table is contacted with the abrasive materials, after pressurization reaches preset pressure or preset travel, pressure is maintained for a period of time, then pressure is released and return is carried out, a finished product is ejected out by an ejection cylinder, when the grinding wheel is pressed each time, partial raw materials are always adhered to the lower surface of the upper die, generally, the grinding wheel is cleaned manually, the grinding wheel is laborious and has potential safety hazards, and the grinding wheel pressing forming equipment structure is necessarily improved.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides grinding wheel compression molding equipment.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a grinding wheel compression molding equipment, includes negative pressure equipment, filters recovery unit, hydraulic press and forming die, the hydraulic press comprises base, stand, upper beam, slip table and pneumatic cylinder, stand fixed connection is at the base upper wall, upper beam fixed connection is in the stand upper end, slip table sliding connection is at the stand outer wall, pneumatic cylinder fixed connection is at the upper beam upper wall, the pneumatic cylinder stretches out the axle and runs through the upper beam and stretch out the upper beam below, pneumatic cylinder stretches out axle tip and slip table upper wall fixed connection, forming die comprises last mould and lower mould, upper mould, lower mould fixed connection are at slip table lower wall and base upper wall respectively, the hydraulic press back wall is provided with the cleaning device who is used for clearing up the upper mould after the pressing procedure is accomplished, cleaning device includes: the two groups of back plates are distributed left and right and are sequentially and fixedly connected to the rear wall of the hydraulic machine; the cross beam is fixedly connected to the rear walls of the two groups of back plates, and the horizontal height of the cross beam is lower than the height of the lower surface of the upper die at the end of the upper stroke; the tray is connected to the front side of the cross beam in a sliding manner through a guide structure; the translation drive is used for driving the tray to move back and forth and is arranged between the tray and the cross beam; the rotary table is used for collecting sand grains during cleaning the upper die and is rotationally connected to the inner side wall of the tray through a rotary shaft and a rotary seat; the cleaning structure is used for cleaning the upper die and is arranged on the turntable; the rotary driving device is used for driving the turntable to rotate so as to improve the cleaning effect, and the rotary driving device is arranged between the rotating shaft and the tray.
As a further description of the above technical solution:
the rotary table is composed of a cylinder and an arc bottom which are distributed up and down, the rotary shaft is fixedly connected to the lowest point of the arc bottom, the rotary seat is fixedly connected to the lower wall of the tray and is arranged at the center, and one end, far away from the rotary table, of the rotary shaft sequentially penetrates through the lower wall of the tray, the inner wall of the rotary seat and is rotationally connected with the rotary seat.
As a further description of the above technical solution:
the guide structure comprises two groups of guide rods and guide sleeves, the two groups of guide sleeves are distributed left and right and sequentially and fixedly connected to the rear wall of the cross beam, the two groups of guide rods penetrate through the inner side walls of the two groups of guide sleeves respectively, the front section of each guide rod penetrates through the cross beam and stretches out to the front side of the cross beam, and the end part of each guide rod, which is located the front side of the cross beam, is fixedly connected with the tray through a first fixing sleeve.
As a further description of the above technical solution:
the translation drive includes cylinder, the fixed cover of second, cylinder fixed connection is at the crossbeam back wall and be located crossbeam length direction intermediate position, the cylinder stretches out the axle and runs through the crossbeam inner wall and stretch out to the crossbeam front side, the fixed cover fixed connection of second is at the tray back wall, the one end fixed connection that the tray was kept away from to cylinder stretch out axle tip and the fixed cover of second.
As a further description of the above technical solution:
the cleaning structure comprises a brush plate and a rotary joint, wherein the brush plate is fixedly connected to the inner side wall of the rotary table, a plurality of groups of through holes which are vertically communicated are formed in the inner wall of the brush plate, a plurality of groups of brush wires are fixedly connected to the positions of the opening parts of the plurality of groups of through holes respectively, an air suction hole which is vertically communicated is formed in the inner wall of the rotary table, the rotary joint is rotationally connected to the end part, far away from the rotary table, of the rotary shaft and is communicated with the air suction hole, and one end, far away from the rotary shaft, of the rotary joint is sequentially connected with the filtering and recycling device and the negative pressure equipment through an air pipe.
As a further description of the above technical solution:
the rotary drive comprises a motor, a first gear and a second gear, wherein the motor is fixedly connected to the lower wall of the tray, the end part of the motor extending shaft penetrates through the lower wall of the tray and extends into the tray, and the first gear and the second gear are respectively and fixedly connected to the outer wall of the rotating shaft and the end part of the motor extending shaft and are meshed with each other.
The utility model has the following beneficial effects:
compared with the prior art, the grinding wheel compression molding equipment has six strokes of sinking pre-pressing, rising exhaust, sinking compaction, rising reset, sinking cleaning and rising reset again, after the compression is completed, the tray is driven by the cylinder to move to the position right below the upper die, the hydraulic cylinder moves to the sinking cleaning stroke, the lower wall of the upper die is contacted with the brush wire, the motor drives the turntable to rotate, the turntable drives the brush wire to clean the lower surface of the upper die, the falling raw materials are sucked away through the negative pressure equipment through the air pipe, the rotary joint, the air suction hole in the rotary shaft and the through hole in the brush plate, and the raw materials are filtered by the filtering and recycling device so as to be reused, and the problems that labor is wasted and hidden danger exists in manually cleaning the lower surface of the upper die in the prior art are solved.
Drawings
Fig. 1 is a schematic diagram of the whole structure of a grinding wheel press forming device according to the present utility model;
fig. 2 is a schematic plan view of a connection structure of a back plate, a cross beam, a guide rod, an air cylinder and a tray of the grinding wheel press forming device provided by the utility model;
fig. 3 is a partial cross-sectional view showing the internal structure of a tray of a grinding wheel press forming apparatus according to the present utility model.
Legend description:
1. a base; 2. a column; 3. a girder is arranged; 4. a sliding table; 5. a hydraulic cylinder; 6. a back plate; 7. a cross beam; 8. a guide rod; 9. a cylinder; 10. a tray; 11. a guide sleeve; 12. a first fixing sleeve; 13. a second fixing sleeve; 14. a turntable; 15. brushing a plate; 16. brushing wires; 17. a rotating seat; 18. a rotating shaft; 19. a rotary joint; 20. a first gear; 21. a motor; 22. and a second gear.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1 to 3, the present utility model provides a grinding wheel press forming apparatus: including negative pressure equipment, filter recovery unit, hydraulic press and forming die, the hydraulic press comprises base 1, stand 2, upper beam 3, slip table 4 and pneumatic cylinder 5, stand 2 fixed connection is at base 1 upper wall, upper beam 3 fixed connection is in stand 2 upper end, slip table 4 sliding connection is at stand 2 outer wall, pneumatic cylinder 5 fixed connection is at upper beam 3 upper wall, pneumatic cylinder 5 stretches out the axle and runs through upper beam 3 and stretch out upper beam 3 below, pneumatic cylinder 5 stretches out axle tip and slip table 4 upper wall fixed connection, forming die comprises last mould and lower mould, go up mould, lower mould fixed connection is at slip table 4 lower wall and base 1 upper wall respectively, the hydraulic press back wall is provided with the cleaning device who is used for clearing up the upper mould after the pressing process is accomplished, cleaning device includes: the method comprises the steps of arranging two groups of back plates 6, cross beams 7, trays 10, translational driving for driving the trays 10 to move forwards and backwards, a rotary table 14 for collecting sand grains during cleaning an upper die, a cleaning structure for cleaning the upper die and rotary driving for driving the rotary table 14 to rotate so as to improve cleaning effect, putting abrasive materials (diamond or corundum sand and the like) and binder into a lower die, uniformly distributing, pushing a sliding table 4 by a piston of a hydraulic cylinder 5 to move downwards, enabling the upper die to enter the lower die, releasing pressure and discharging air when the pressure reaches a preset pressure, then re-pressurizing to a preset stroke, releasing pressure and returning after the pressure is maintained for a period of time, and ejecting finished products through a common technology in the market;
the two groups of back plates 6 are sequentially and fixedly connected to the rear wall of the hydraulic press in a left-right distribution manner, the cross beam 7 is fixedly connected to the rear wall of the two groups of back plates 6, the horizontal height of the cross beam 7 is lower than the height of the lower surface of the upper die at the end point of the upper stroke, the tray 10 is slidably connected to the front side of the cross beam 7 through a guide structure, the guide structure comprises two groups of guide rods 8 and guide sleeves 11, the two groups of guide sleeves 11 are sequentially and fixedly connected to the rear wall of the cross beam 7 in a left-right distribution manner, the two groups of guide rods 8 respectively penetrate through the inner side walls of the two groups of guide sleeves 11, the front section of each guide rod 8 penetrates through the cross beam 7 and extends out to the front side of the cross beam 7, the end part of each guide rod 8, which is positioned at the front side of the cross beam 7, is fixedly connected with the tray 10 through the first fixing sleeve 12, and the tray 10 can horizontally move forwards and backwards without deflection due to the restraint of the guide rods 8 and the guide sleeves 11, so that the upper die cleaning action is accurate;
the translation drive is arranged between the tray 10 and the cross beam 7, the translation drive comprises an air cylinder 9 and a second fixed sleeve 13, the air cylinder 9 is fixedly connected to the rear wall of the cross beam 7 and is positioned at the center position in the length direction of the cross beam 7, an extension shaft of the air cylinder 9 penetrates through the inner wall of the cross beam 7 and extends to the front side of the cross beam 7, the second fixed sleeve 13 is fixedly connected to the rear wall of the tray 10, the end part of the extension shaft of the air cylinder 9 is fixedly connected with one end, far away from the tray 10, of the second fixed sleeve 13, and after the hydraulic cylinder 5 drives the upper die to reset, the extension shaft of the air cylinder 9 extends to drive the tray 10 to move to the lower side of the upper die, and the hydraulic cylinder 5 drives the upper die to act again and moves to a sinking cleaning stroke;
the rotary table 14 is rotationally connected to the inner side wall of the tray 10 through a rotary shaft 18 and a rotary seat 17, the rotary table 14 is composed of a cylinder and an arc bottom which are distributed up and down, the rotary shaft 18 is fixedly connected to the lowest point of the arc bottom, the rotary seat 17 is fixedly connected to the lower wall of the tray 10 and is in a centered position, one end of the rotary shaft 18, far away from the rotary table 14, sequentially penetrates through the lower wall of the tray 10 and the inner wall of the rotary seat 17 and is rotationally connected with the rotary seat 17, and the arc bottom of the rotary table 14 is arranged so that the collected scattered raw materials are conveniently concentrated in an air suction hole of the rotary shaft 18, so that the raw materials are conveniently recovered;
the cleaning structure is arranged on the rotary table 14 and comprises a brush plate 15 and a rotary joint 19, the brush plate 15 is fixedly connected to the inner side wall of the rotary table 14, a plurality of groups of through holes which are vertically communicated are formed in the inner wall of the brush plate 15, a plurality of groups of brush wires 16 are fixedly connected to the positions of the mouth parts of the plurality of groups of through holes respectively, an air suction hole which is vertically communicated is formed in the inner wall of the rotary shaft 18, the rotary joint 19 is rotationally connected to the end part, far away from the rotary table 14, of the rotary shaft 18 and communicated with the air suction hole, one end, far away from the rotary shaft 18, of the rotary joint 19 is sequentially connected with the filtering and recycling device and the negative pressure equipment through an air pipe, the brush plate 15 is rotationally driven to rotate, the lower surface of the upper die is cleaned through contact between the brush wires 16 and the lower surface of the upper die, and the raw materials which fall down between the brush plate 15 and the inner side lower wall of the rotary table 14 through the through holes of the brush plate 15;
the rotary drive is arranged between the rotating shaft 18 and the tray 10, and comprises a motor 21, a first gear 20 and a second gear 22, wherein the motor 21 is fixedly connected to the lower wall of the tray 10, the end part of the extending shaft of the motor 21 penetrates through the lower wall of the tray 10 and extends into the tray 10, the first gear 20 and the second gear 22 are respectively fixedly connected to the outer wall of the rotating shaft 18 and the end part of the extending shaft of the motor 21, the first gear 20 and the second gear 22 are meshed with each other, and the motor 21 is used for driving the group turntable 14 to rotate along the axle center of the rotating seat 17.
Working principle: the grinding materials (diamond or corundum sand and the like) and the binding agent are put into a lower die, after uniform distribution, a piston of a hydraulic cylinder 5 pushes a sliding table 4 to move downwards, an upper die enters the lower die, when pressurization reaches preset pressure, pressure relief and deflation are carried out, then pressurization is carried out to a preset stroke, pressure relief and return are carried out after pressure maintenance are carried out for a period of time, finished products are ejected through the common technology in the market, after the hydraulic cylinder 5 drives the upper die to reset, an extension shaft of the cylinder 9 stretches out to drive a tray 10 to move to the lower part of the upper die, the hydraulic cylinder 5 drives the upper die to act again to move to a sinking cleaning stroke, the tray 10 can move horizontally forwards and backwards through the restraint of a guide rod 8 and a guide sleeve 11, the upper die is enabled to act accurately, a motor 21 drives a turntable 14 to rotate along the axis of a rotating seat 17, a brush plate 15 is driven to rotate, the lower surface of the upper die is cleaned through contact of brush wires 16 and the raw materials which fall down after cleaning fall between the brush plate 15 and the inner side lower wall of the turntable 14 through a through hole of the brush plate 15.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a emery wheel compacting equipment, includes negative pressure equipment, filters recovery unit, hydraulic press and forming die, its characterized in that: the hydraulic press comprises base (1), stand (2), upper beam (3), slip table (4) and pneumatic cylinder (5), stand (2) fixed connection is at base (1) upper wall, upper beam (3) fixed connection is at stand (2) upper end, slip table (4) sliding connection is at stand (2) outer wall, pneumatic cylinder (5) fixed connection is at upper beam (3) upper wall, pneumatic cylinder (5) stretches out axle and runs through upper beam (3) and stretch out upper beam (3) below, pneumatic cylinder (5) stretches out axle tip and slip table (4) upper wall fixed connection, forming die comprises last mould and lower module, go up mould, lower mould fixed connection respectively at slip table (4) lower wall and base (1) upper wall, the back wall is provided with the cleaning device who is used for the hydraulic press process to clear up the upper mould after accomplishing, cleaning device includes:
two groups of back plates (6), wherein the two groups of back plates (6) are distributed left and right and are sequentially and fixedly connected to the rear wall of the hydraulic machine;
the cross beams (7) are fixedly connected to the rear walls of the two groups of back plates (6), and the horizontal height of the cross beams (7) is lower than the height of the lower surface of the upper die at the end of the upper stroke;
the tray (10) is connected to the front side of the cross beam (7) in a sliding manner through a guide structure;
the translation drive is used for driving the tray (10) to move forwards and backwards, and is arranged between the tray (10) and the cross beam (7);
the rotary table (14) is used for collecting sand grains during cleaning the upper die, and the rotary table (14) is rotationally connected to the inner side wall of the tray (10) through a rotary shaft (18) and a rotary seat (17);
the cleaning structure is used for cleaning the upper die and is arranged on the rotary table (14);
and the rotary drive is used for driving the rotary table (14) to rotate so as to improve the cleaning effect, and is arranged between the rotating shaft (18) and the tray (10).
2. A grinding wheel press forming apparatus as defined in claim 1, wherein: the rotary table (14) is composed of a cylinder and an arc bottom which are distributed up and down, the rotary shaft (18) is fixedly connected to the lowest point of the arc bottom, the rotary seat (17) is fixedly connected to the lower wall of the tray (10) and is arranged at the middle position, and one end, far away from the rotary table (14), of the rotary shaft (18) sequentially penetrates through the lower wall of the tray (10) and the inner wall of the rotary seat (17) and is rotationally connected with the rotary seat (17).
3. A grinding wheel press forming apparatus as defined in claim 2, wherein: the guide structure comprises two groups of guide rods (8) and guide sleeves (11), the two groups of guide sleeves (11) are distributed left and right and are sequentially and fixedly connected to the rear wall of the cross beam (7), the two groups of guide rods (8) penetrate through the inner side walls of the two groups of guide sleeves (11) respectively, the front section of each guide rod (8) penetrates through the cross beam (7) and stretches out to the front side of the cross beam (7), and the end part of each guide rod (8) located the front side of the cross beam (7) is fixedly connected with the tray (10) through a first fixing sleeve (12).
4. A grinding wheel press forming apparatus as defined in claim 3, wherein: the translation drive includes cylinder (9), second fixed cover (13), cylinder (9) fixed connection is at crossbeam (7) back wall and be located crossbeam (7) length direction intermediate position, cylinder (9) stretch out the axle and run through crossbeam (7) inner wall and stretch out to crossbeam (7) front side, second fixed cover (13) fixed connection is at tray (10) back wall, cylinder (9) stretch out the axle tip and keep away from the one end fixed connection of tray (10) with second fixed cover (13).
5. The grinding wheel press molding apparatus as defined in claim 4, wherein: the cleaning structure comprises a brush plate (15) and a rotary joint (19), wherein the brush plate (15) is fixedly connected to the inner side wall of a rotary table (14), a plurality of groups of through holes which are vertically communicated are formed in the inner wall of the brush plate (15), a plurality of groups of brush wires (16) are fixedly connected to the positions of the opening parts of the plurality of groups of through holes respectively, an air suction hole which is vertically communicated is formed in the inner wall of a rotary shaft (18), the rotary joint (19) is rotationally connected to the end part, far away from the rotary table (14), of the rotary shaft (18) and is communicated with the air suction hole, and one end, far away from the rotary joint (19), of the rotary shaft (18) is sequentially connected with a filtering and recycling device and negative pressure equipment through an air pipe.
6. The grinding wheel press molding apparatus as defined in claim 5, wherein: the rotary drive comprises a motor (21), a first gear (20) and a second gear (22), wherein the motor (21) is fixedly connected to the lower wall of the tray (10), the end part of an extension shaft of the motor (21) penetrates through the lower wall of the tray (10) and extends into the tray (10), and the first gear (20) and the second gear (22) are respectively and fixedly connected to the outer wall of the rotating shaft (18) and the end part of the extension shaft of the motor (21) and are meshed with the teeth of the second gear (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827474.8U CN219521816U (en) | 2023-04-14 | 2023-04-14 | Grinding wheel compression molding equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320827474.8U CN219521816U (en) | 2023-04-14 | 2023-04-14 | Grinding wheel compression molding equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219521816U true CN219521816U (en) | 2023-08-15 |
Family
ID=87631980
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320827474.8U Active CN219521816U (en) | 2023-04-14 | 2023-04-14 | Grinding wheel compression molding equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219521816U (en) |
-
2023
- 2023-04-14 CN CN202320827474.8U patent/CN219521816U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106042234B (en) | The automatic mold-change and cleaning mechanism of rubber vulcanizing machine | |
| CN116274624B (en) | Blanking die and method for manufacturing automobile parts | |
| CN109227302A (en) | A kind of polishing platform of the mold manufacture convenient for collecting waste material | |
| CN103921335A (en) | Rotating double-pressing-head composite brickmaking machine | |
| CN219521816U (en) | Grinding wheel compression molding equipment | |
| CN219945643U (en) | Inner wall grinding device is used in production of hard seal ball valve mould | |
| CN116544023B (en) | Neodymium iron boron rare earth permanent magnet material die mould device | |
| CN214027020U (en) | Swift formula injection mold | |
| CN207290402U (en) | A kind of plane brick compacting tool set with cleaning mechanism | |
| CN111069014B (en) | Automatic splitting production line for diamond molds and cold pressed compacts | |
| CN103072185B (en) | Forming machine with function of cleaning pressure head and method of cleaning pressure head thereof | |
| CN219093633U (en) | Powder metallurgy pressing equipment | |
| CN116159933A (en) | Pressing and forming structure die | |
| CN215791427U (en) | Injection mold with cleaning function | |
| CN205989456U (en) | A kind of resin molding mold unload moulding press | |
| CN115556316A (en) | Automatic demoulding and discharging system for injection molding production of rubber parts | |
| CN204725629U (en) | A kind of water-permeable brick mould | |
| CN107052810A (en) | A kind of motorcycle spare and accessory parts post-process treatment equipment | |
| CN212634319U (en) | Separator for powder metallurgy product | |
| CN211638294U (en) | Be applied to as cast runner equipment that mills of wax matrix | |
| CN211891610U (en) | Plastic spoon forming device | |
| CN210676844U (en) | Apparatus for manufacturing riser ring for casting of injection molding machine type casting | |
| CN203818281U (en) | Rotary double-pressing head compound brick-making machine | |
| CN220902825U (en) | Mould surface burnishing device | |
| CN214819857U (en) | Cutting equipment is used in brick carving processing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |