CN2292632Y - Mould cavity grinder - Google Patents
Mould cavity grinder Download PDFInfo
- Publication number
- CN2292632Y CN2292632Y CN 97235716 CN97235716U CN2292632Y CN 2292632 Y CN2292632 Y CN 2292632Y CN 97235716 CN97235716 CN 97235716 CN 97235716 U CN97235716 U CN 97235716U CN 2292632 Y CN2292632 Y CN 2292632Y
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- China
- Prior art keywords
- cylinder
- valve
- working cylinder
- chamber
- mould
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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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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses a grinder for a mould cavity, which overcomes the defect that because the operation of two hydraulic cylinders is not easy to synchronous, a mould cavity of a workpiece can not be carried out grinding. The hydraulic cylinders are changed into a pair of an upper and a lower working cylinders which are arranged separately and respectively play a role of one-way action. The upper working cylinder is also used as a piston, and is sheathed in a mould locking cylinder. The lower working cylinder is connected with a material storage cylinder by a connection pipe. The utility model has a cavity wall of a hole, which can grind the various workpieces. The utility model has the advantages of the high grinding efficiency, energy consumption saving, and high automatization, and has the advantage that the working conditions of mould using machinery can be improved.
Description
The utility model is a kind of die cavity grinder, and it belongs to the field of the lathe that is used for grinding, particularly relates to being used for the meticulous hole wall of grinding, as the hole in the drawing-die.The device that is equipped with homoaxial hydraulic cylinder and said hydraulic cylinder is locked mutually on its frame, and by said hydraulic cylinder travel switch of stirring and the hydraulic valve that is subjected to said travel switch control.
Disclose a kind of liquor finish processing machine in US3823514, its purpose is to remove aperture and the burr of cross bore and the slag particle of surface of the work on the workpiece.Formation is that frame is provided with upper hydraulic cylinder and locking drive unit, and this device is upward other to be equipped with and upper hydraulic cylinder symmetry and homoaxial lower cylinder the hydraulic valve of also having the travel switch of being stirred by lower cylinder and controlled by travel switch on the frame.Weak point is that this liquor finish processing machine is pair hydraulic fluid port double working cylinders because of two hydraulic cylinders about it, so be difficult for realizing the synchronous of two cylinder inner carrier movement velocitys, make and on the surface of the work of two cylinder clampings, to form required abrasive material pressure, thereby the dispersion force effect that only can utilize abrasive material to produce when the momentum sudden change at workpiece aperture place, kinetic energy rapid drawdown removes the aperture burr, and can't play ablation to the die cavity of workpiece.
The die cavity grinder that provides a kind of grinding vestibule wall but the purpose of this utility model is to avoid above-mentioned weak point of the prior art.
The purpose of this utility model can reach by following measure: last working cylinder and following working cylinder that hydraulic cylinder is arranged by a pair of branch, that play single effect respectively constitute, in the time of can making a cylinder working like this, the power that another cylinder comes through the abrasive material transmission and movement therewith, can properly settle two cylinder workings synchronously.Do not stress when making the up and down two working cylinders locking deflecting action of square is contained in the shell of last working cylinder in locked mode (locking) cylinder as piston bush.Following working cylinder and material storage jar are connected by tube connector, to send into abrasive material in the working cylinder and to set up required abrasive material back pressure.
The purpose of this utility model can also reach by following measure: last working cylinder or down the end of the close workpiece of working cylinder be provided with deflector, be equipped with perforation on this plate, the aperture in hole and hole count are all in direct ratio with the radius of plate, deflector can make the resistance of motion of abrasive material and this plate radial direction be inversely proportional to, make abrasive material enter behind the die cavity that the flow velocity at every bit place is uniform on its cross section, thereby prevented the Radial Flow of abrasive material in die cavity, guaranteed the uniformity of grinding.For improving automaticity, frame is provided with electric controling part, these parts are made of the programmable controller PLC of built-in control program, it is electrically connected with an encoder, by this encoder, can select the block among the PLC, with the different requirements of the mould that satisfies different die cavities abrasive parameters.
The utility model has following advantage compared to existing technology:
But 1. the vestibule wall of grinding variety classes mould, as aluminum profile extrusion die, plastic irregular profile mould, a chemical fibre spray silk mould, electric wire mould etc., and applicable to the mould that varies in size, as can grinding little to 0.3 millimeter, greatly to 180 millimeters type hole or die cavity;
2. grinding is effective, and mould is after grinding, and its die cavity, profile surface roughness value are below Ra0.25 μ m;
3. the efficient height of grinding is an example with the aluminium section bar mould, and its grinding to work zone (die cavity) is more than 30 times of artificial grinding efficiency, and one pair of mould of grinding only needs 1～2 minute;
4. can improve with the operating mode of mould machinery and energy-saving and cost-reducing, be example with the aluminium section bar mould, can make the extruder power consumption reduce by 4～5% through the mould of grinding than the mould of underhand polish;
5. the automaticity height can be finished automatically from locking mould to the full operation of unclamping mould, makes to help guaranteeing the stable of grinding quality again by both easy operatings.
Describe concrete structure of the present utility model and working condition in detail below in conjunction with accompanying drawing.
Fig. 1 is a kind of basic structure schematic diagram of the present utility model.
With reference to Fig. 1, the top of frame 20 is fixed with locked mode cylinder 12, and the chamber a of this cylinder 12, chamber b are connected with overflow valve 1 through valve 4.The piston of locked mode cylinder 12 promptly has been the last working cylinder 10 of single effect, this cylinder 10 built-in pistons 13 and piston rod 11 and chamber f, wherein the part of piston rod 11 outstanding cylinders 10 is oppositely arranged with travel switch S1, S2, and chamber f is connected with valve 1 through one-way throttle valve 5 and valve 3.The bottom of frame 20 has been equipped with the following working cylinder 40 of single effect, this cylinder 40 built-in piston 41 and chamber C, and chamber C is connected with valve 1 through one-way throttle valve 6 and valve 3.Material storage jar 30 is double acting cylinders, cylinder 30 built-in pistons (31,32) and chamber (d, e), and chamber d, chamber e all are connected with valve 1 through valve 2; The top contain abrasive material 50 of cylinder 30, tube connector 33 is connected material storage jar 30 and following working cylinder 40.Be placed with mould seat 21 and workpiece W between upper and lower working cylinder (10,40), be provided with deflector 22 in the end of the close workpiece W of last working cylinder 10 and following working cylinder 40, plate 22 is provided with 20 and bores a hole 23, and the aperture in hole 23 is 5～10 millimeters of .Also with electric controling part 51, parts 51 are built-in with control program on the frame 20, it 2., 3., 4. pin and tri-bit encoding device 52 are electrically connected.Valve 1 is connected with fuel tank 01.
Workpiece W places on the mould seat 21, and pressure oil enters the chamber a of locked mode cylinder 12 through the right position of valve 4, and last working cylinder 10 is descending, locks workpiece W, 12 pressurizes of locked mode cylinder.Behind the locked mode, pressure oil enters the chamber d of material storage jar 30 through position, valve 2 left side, chamber e oil return, and piston (31,32) is up, the bottom that abrasive material 50 is full of the top of working cylinder 40 down and mould seat 21, workpiece W, goes up working cylinder 10.In filling the material process, valve 3 is in right position, so piston (13,41) all is in the stroke lower end.After filling material, position, valve 3 left side is connected, and the check valve of pressure oil in adjustable one-way throttle valve 6 enters down the chamber C of working cylinder 40, and the up promotion abrasive material of piston 41 50 is up, and abrasive material 50 enters working cylinder 10 through the die cavity of mould seat 21, workpiece W, and promotion piston 13 is up.Because abrasive material 50 is incompressible, thereby the movement velocity unanimity of piston (41,13).When piston 13 walked to the stroke end, S1 sender, valve 3 changed to right position, pressure oil check valve in valve 5 enters the chamber f of working cylinder 10, and the valve 13 of living is descending, and it is descending that abrasive material 50 comes downwards to down working cylinder 40 promotion pistons 41, to stroke S2 sender at the end, a working cycles finishes.Afterwards, can begin next working cycles, the number of times of working cycles is determined by the key entry number on program that presets in the electric controling part 51 (cycle-index) and the coupled encoder 52.After having finished the working cycles number of times that needs, valve 2 changes to right position, the chamber e oil-feed of material storage jar 30, and piston (31,32) is descending, inhales the empty abrasive material of going up among working cylinder 10, mould seat 21, the workpiece W 50.After suction finished, valve 2 was in meta, and position, valve 4 left side is connected, and pressure oil enters the chamber b of locked mode cylinder 12, and last working cylinder 10 is up, whole grinding process end.
Claims (7)
1. die cavity grinder, device that is equipped with homoaxial hydraulic cylinder on the frame (20) and said hydraulic cylinder is locked mutually and the travel switch (S1 that stirs by said hydraulic cylinder, S2) and be subjected to said travel switch (S1, S2) Kong Zhi hydraulic valve, it is characterized in that hydraulic cylinder is arranged by a pair of branch, play the last working cylinder (10) of single effect and following working cylinder (40) respectively and constitute, described upward working cylinder (10) is used as piston again and is sleeved in the locked mode cylinder (12), and described working cylinder (40) down is connected by tube connector (33) with material storage jar (30).
2. grinder according to claim 1, it is characterized in that last working cylinder (10) or down the end of the close workpiece (W) of working cylinder (40) be provided with deflector (22), be equipped with perforation (23) on this plate (22), the aperture of hole (23) and hole count are all in direct ratio with the radius of plate (22).
3. grinder according to claim 1, it is characterized in that frame (20) is provided with electric controling part (51), parts (51) are made of the programmable controller of built-in control program, these parts (51) 2., 3., 4. pin and encoder (52) are electrically connected.
4. grinder according to claim 3 is characterized in that the chamber (f) of working cylinder (10) is connected with one-way throttle valve (5), and the chamber (C) of following working cylinder (40) is connected with one-way throttle valve (6), and valve (5,6) all is connected with valve (3).
5. grinder according to claim 3 is characterized in that (a b) is connected with valve (4) for the chamber of locked mode cylinder (12).
6. grinder according to claim 3 is characterized in that (d e) is connected with valve 2 for the chamber of material storage jar (30).
7. grinder according to claim 3 is characterized in that valve (2,3,4) all is connected with overflow valve (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97235716 CN2292632Y (en) | 1997-04-10 | 1997-04-10 | Mould cavity grinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 97235716 CN2292632Y (en) | 1997-04-10 | 1997-04-10 | Mould cavity grinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2292632Y true CN2292632Y (en) | 1998-09-30 |
Family
ID=33946749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 97235716 Expired - Fee Related CN2292632Y (en) | 1997-04-10 | 1997-04-10 | Mould cavity grinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2292632Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802044A (en) * | 2015-04-30 | 2015-07-29 | 哈尔滨工业大学 | Method for removing electrolytic corrosion layer from bottom of thin rib of flexible connector |
| CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
-
1997
- 1997-04-10 CN CN 97235716 patent/CN2292632Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104802044A (en) * | 2015-04-30 | 2015-07-29 | 哈尔滨工业大学 | Method for removing electrolytic corrosion layer from bottom of thin rib of flexible connector |
| CN110587467A (en) * | 2019-10-09 | 2019-12-20 | 无锡威孚马山油泵油嘴有限公司 | Plunger bushing abrasive particle oil flow hole deburring device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |