CN104760147B - A kind of mortar compound spray device for multi-line cutting machine - Google Patents
A kind of mortar compound spray device for multi-line cutting machine Download PDFInfo
- Publication number
- CN104760147B CN104760147B CN201510194118.7A CN201510194118A CN104760147B CN 104760147 B CN104760147 B CN 104760147B CN 201510194118 A CN201510194118 A CN 201510194118A CN 104760147 B CN104760147 B CN 104760147B
- Authority
- CN
- China
- Prior art keywords
- sandblasting
- steel wire
- mortar
- sand
- blast tube
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/04—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools
- B28D5/045—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor by tools other than rotary type, e.g. reciprocating tools by cutting with wires or closed-loop blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/007—Use, recovery or regeneration of abrasive mediums
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28D—WORKING STONE OR STONE-LIKE MATERIALS
- B28D5/00—Fine working of gems, jewels, crystals, e.g. of semiconductor material; apparatus or devices therefor
- B28D5/0058—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material
- B28D5/0076—Accessories specially adapted for use with machines for fine working of gems, jewels, crystals, e.g. of semiconductor material for removing dust, e.g. by spraying liquids; for lubricating, cooling or cleaning tool or work
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
- Working Measures On Existing Buildindgs (AREA)
Abstract
A kind of mortar compound spray device for multi-line cutting machine, is made up of sand sprinkling machine structure and sandblasting mechanism, and described sand sprinkling machine structure includes that a row is arranged on the pouring sandpipe on steel wire top, drenches sandpipe and from top to bottom steel wire is drenched sand；Described sandblasting mechanism is positioned at steel wire bottom, and sandblasting mechanism is from the bottom to top to steel wire sandblasting, and sandblasting mechanism includes that two sets symmetrically arranged sandblasting assembly, two set sandblasting assemblies lay respectively at the left and right sides of cut blank.The present invention can realize covering under the common effect of sand sprinkling machine structure and sandblasting mechanism comprehensively, uniform sandblasting slurry, make steel wire institute band mortar uniformly, fully, steel wire is uniformly cooled down by mortar in cutting process, effectively eliminate part cutting zone temperature rise phenomenon, improve cutting accuracy and cutting efficiency, extend steel wire service life.
Description
Technical field
The present invention relates to a kind of device for linear cutting equipment, a kind of mortar compound spray device for multi-line cutting machine.
Background technology
Multi-wire saw is a kind of equipment for cutting hard material.Moved back and forth by the high speed of steel wire during multi-line cutting machine work, cutting mortar is brought into cut body machining area and is ground, cut hard material is once cut into several pieces.Multi-line cutting machine steel wire in the course of the work is cutting tool and coolant as the carrier of cutting mortar, cutting mortar, and cutting material base is sprayed by cutting mortar by drenching sand device.Preferably spray state is that mortar spray direct, comprehensive, uniform covers on the whole material base contact surface with steel wire.The pouring sand device of common multi-line cutting machine is provided with blast tube, and blast tube is provided with sandblasting hole, and blast tube is arranged on material base top, and employing is watered pouring mode and worked.The shortcoming of this usual means is: blast tube ejection has the mortar bundle of certain pressure, and the blank position mortar of the direct sprinkling of mortar bundle is abundant, and it is bad that the green part of the direct sprinkling of mortar Shu Buneng easily produces mortar spray.Particularly when material base is bigger, steel wire is in reciprocal running, and spray bad phenomenon is the most obvious.In addition, existing pouring sand device all uses mortar spray mode from top to bottom, it is insufficient which easily occurs that sand is drenched in material base both sides, drenching the insufficient position of sand, steel wire is difficult to that mortar is brought into material base and participates in cutting, so that part cutting zone sand supplying is not enough, causes sand supplying insufficient section cutting zone temperature to rise, cutting accuracy reduces, and causes the adverse consequencess such as steel wire broken string time serious.
Summary of the invention
The present invention is used for solving the defect of above-mentioned prior art, it is provided that one can effectively eliminate spray bad phenomenon, it is achieved cover, the wire cutting machine of uniform sandblasting slurry is combined and drenches sand device comprehensively.
The technical scheme that solution the problems referred to above are used is as follows:
A kind of mortar compound spray device for multi-line cutting machine, is made up of sand sprinkling machine structure and sandblasting mechanism, and described sand sprinkling machine structure includes that a row is arranged on the pouring sandpipe on steel wire top, drenches sandpipe and from top to bottom steel wire is drenched sand；Described sandblasting mechanism is positioned at steel wire bottom, and sandblasting mechanism is from the bottom to top to steel wire sandblasting, and sandblasting mechanism includes that two sets symmetrically arranged sandblasting assembly, two set sandblasting assemblies lay respectively at the left and right sides of cut blank.
The above-mentioned mortar compound spray device for multi-line cutting machine, described each set sandblasting assembly includes trocar sheath, blast nozzle and blast tube respectively, described trocar sheath is cylindrical shape, trocar sheath is sleeved on outside blast tube, trocar sheath top is provided with mortar outlet vertically, is annular gap between trocar sheath and blast tube in the middle part of closed at both ends；Described blast nozzle is cavity structure, and its two ends are respectively arrival end and the port of export, and the flow area of arrival end is more than the port of export, the affixed trocar sheath of arrival end and corresponding with mortar outlet, and the port of export is provided with long and narrow bar shaped spout, and bar shaped spout is corresponding with steel wire；The medial extremity of described blast tube is fixed with equipment wallboard, and blast tube medial extremity connects with pulp piping, and blast tube outboard end is blocked by plug and closes, and blast tube is distributed sandblasting hole.
The above-mentioned mortar compound spray device for multi-line cutting machine, the lower area of described sandblasting hole correspondence outer sleeve inner wall, sandblasting hole arranges two rows, and the location interval in two row's sandblasting holes is arranged in the axial direction, and the centerlines in two row's sandblasting holes is 60 ° diametrically.
The above-mentioned mortar compound spray device for multi-line cutting machine, the cross sectional shape of described blast nozzle is right-angled trapezium, and the porch side walls of blast nozzle is 6-7 ° relative to the angle of the straight sidewalls of blast nozzle, and the porch side walls of blast nozzle is near steel wire.
The above-mentioned mortar compound spray device for multi-line cutting machine, described plug is stifled to be fixed with blast tube, fills in be provided with outside stifled and holds set tightly, holds tightly to overlap to block up through lock-screw and plug and holds tightly, and the outboard end affixed connection ring of described trocar sheath is held set tightly and is connected the connection of ring screw.
The above-mentioned mortar compound spray device for multi-line cutting machine, described blast tube medial extremity affixed connection dish, connection dish is provided with arc screw slots, and connection dish is fixed with wallboard through screw, the affixed adapter sleeve of medial extremity of described trocar sheath, adapter sleeve end face be connected the concavo-convex involutory connection of dish end face.
The above-mentioned mortar compound spray device for multi-line cutting machine, described pouring sandpipe is provided with pouring sand hole, drenches sand hole correspondence steel wire, drenches sand hole and arranges two rows, and two rows drench the location interval setting of sand hole in the axial direction, and two rows drench the centerlines of sand hole diametrically is 60 °.
The present invention is directed to solve mortar spray bad problem and devise a kind of compound spray mortar device for multi-line cutting machine.Described compound spray mortar device arranges sand sprinkling machine structure on the top of steel wire, in the bottom of steel wire, sandblasting mechanism is set, mortar is from top to bottom watered the cutting part to steel wire and blank by sand sprinkling machine structure, and mortar is sprayed to the cutting part of steel wire and blank by sandblasting mechanism from the bottom to top by the left and right sides of blank.Arranging trocar sheath outside the blast tube of sandblasting mechanism, trocar sheath connects blast nozzle, and the mortar of blast tube ejection is uniformly sprayed by blast nozzle after assembling in blast tube, eliminates mortar Shu Rongyi generation blank local and sprays bad drawback.The present invention can realize covering under the common effect of sand sprinkling machine structure and sandblasting mechanism comprehensively, uniform sandblasting slurry, make steel wire institute band mortar uniformly, fully, steel wire is uniformly cooled down by mortar in cutting process, effectively eliminate part cutting zone temperature rise phenomenon, improve cutting accuracy and cutting efficiency, extend steel wire service life.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is compound pouring sand schematic diagram
Fig. 3 is sandblasting modular construction schematic diagram；
Fig. 4 is partial enlarged view at Fig. 3 E；
Fig. 5 is partial enlarged view at Fig. 3 F；
Fig. 6 is the structural representation holding set tightly；
Fig. 7 is the front view of trocar sheath and blast nozzle；
Fig. 8 is the D-D sectional view of Fig. 7；
Fig. 9 is the left view of Fig. 7；
Figure 10 is the schematic diagram that mortar flows in sandblasting assembly；
Figure 11 is the structural representation of blast tube；
Figure 12 is the A-A sectional view of Figure 11；
Figure 13 is the B direction view of Figure 11；
Figure 14 is the structural representation watering sandpipe；
Figure 15 is the C-C sectional view of Figure 14.
In figure, each part numbers is as follows: 1, roller frame, 2, roller, 3, blank, 4, drench sandpipe, 4-1, drenches husky hole, and 5, sandblasting assembly；5-1, trocar sheath, 5-1-1, mortar outlet, 5-1-2, adapter sleeve, 5-1-3, connection ring, 5-2, blast nozzle, 5-2-1, bar shaped spout, 5-2-2, straight sidewalls, 5-2-3, porch side walls, 5-3, blast tube, 5-3-1, sandblasting hole, 5-3-2, connection dish, 6, equipment wallboard；7, steel wire；
8, plug is stifled, and 9, hold set, 9-1, lock-screw tightly.
Detailed description of the invention
Referring to Fig. 1, Fig. 2, compound spray mortar device of the present invention is made up of sand sprinkling machine structure and sandblasting mechanism.As seen from the figure, the roller support 1 of multi-line cutting machine is fixed with equipment wallboard 6, and roller support arranges roller 2, and steel wire 7 blank 3 relatively under roller drives moves back and forth cutting blank.Described pouring sand device includes that a row is arranged on the pouring sandpipe 4 on steel wire top, drenches sandpipe from top to bottom to steel wire 7 and blank 3 sprinkling mortar.Sandblasting mechanism is arranged on steel wire bottom, and sandblasting mechanism includes that two sets symmetrically arranged sandblasting assembly 5, two set sandblasting assemblies lay respectively at the left and right sides of cut blank, the steel wire that will enter or leave material base carries out mortar spray from the bottom to top and waters.The synergism that sand sprinkling machine structure and sandblasting mechanism combine between the higher and lower levels can realize comprehensive, abundant, uniformly to steel wire and blank sandblasting slurry, it is ensured that steel wire is uniformly cooled down by mortar in cutting process.
Referring to Fig. 3 and Fig. 7-Figure 10, each set sandblasting assembly includes trocar sheath 5-1, blast nozzle 5-2 and blast tube 5-3 respectively.Trocar sheath is cylindrical shape, and trocar sheath is sleeved on outside blast tube, and trocar sheath top is provided with mortar outlet 5-1-1 vertically.Closed at both ends between trocar sheath and blast tube, middle part is the annular gap of mortar circulation.Blast nozzle 5-2 is cavity structure, and its two ends are respectively arrival end and the port of export, and the flow area of arrival end is more than the port of export, and arrival end is affixed with trocar sheath, and arrival end is corresponding with mortar outlet；The port of export of blast nozzle is provided with long and narrow bar shaped spout 5-2-1, and bar shaped spout is corresponding with several steel wires.Described blast tube 5-3 fixes with equipment wallboard near the medial extremity of equipment wallboard 6, the medial extremity of blast tube connects with pulp piping, blast tube outboard end is closed by filling in stifled 8, and blast tube is distributed sandblasting hole 5-3-1, the lower area of sandblasting hole 5-3-1 correspondence outer sleeve inner wall.The mortar flow direction in sandblasting assembly is shown in that Figure 10: the mortar flowed out by pulp piping initially enters blast tube 5-3, and is sprayed by the sandblasting hole 5-3-1 of blast tube, enters the bottom of annular region between trocar sheath 5-1 and blast tube 5-3；The mortar being gathered in annular region moves at mortar outlet 5-1-1 being positioned at trocar sheath top, the mortar flowed out by mortar outlet enters blast nozzle 5-2, moved to the port of export by the arrival end of blast nozzle, owing to the arrival end flow area of blast nozzle is more than the port of export, mortar flow velocity in motor process increases, and mortar is sprayed to steel wire and blank by bar shaped spout 5-2-1 uniformly with the liquid stream form of approximation cascade subsequently.This mortar liquid stream ejection form, compares traditional spray orifice mortar bundle ejection state, can effectively eliminate blank local and spray bad drawback.
Referring to Fig. 9, Figure 10, the cross sectional shape of blast nozzle 5-2 is right-angled trapezium, and the porch side walls 5-2-3 of blast nozzle is 6-7 ° relative to the angle of straight sidewalls 5-2-2 of blast nozzle.When installing sandblasting assembly, the porch side walls of blast nozzle is near steel wire, thus more preferable guide effect is played in the ejection to mortar.
Referring to Fig. 2, Figure 14, Figure 15, the one end drenching sandpipe 4 is fixed with equipment wallboard, drenches sandpipe and is provided with pouring sand hole 4-1, drenches the position correspondence steel wire of sand hole.Drenching sand hole and arrange two rows, two rows drench the location interval setting of sand hole in the axial direction, and two rows drench the centerlines of sand hole diametrically is 60 °.
Referring to Figure 11, Figure 12, Figure 13, the medial extremity of blast tube 5-3 is welded to connect dish 5-3-2, and connection dish is provided with two arc screw slots, fixes through screw between connection dish and wallboard.The arc screw slots arranged on connection dish can be the most indexable, to adjust the ejection angle in sandblasting hole when installing blast tube.Sandblasting hole 5-3-1 on blast tube arranges two rows, and the location interval in two row's sandblasting holes is arranged in the axial direction, and the centerlines in two row's sandblasting holes is 60 ° diametrically.
Two set sandblasting assemblies are made up of identical parts, and the attachment structure between each parts is referring to Fig. 3, Fig. 4, Fig. 5 and Fig. 6.The connection dish 5-3-2 being fixed on blast tube 5-3 medial extremity fixes with equipment wallboard through screw；Trocar sheath 5-1 and blast nozzle 5-2 is welded is fixed as one；The medial extremity of trocar sheath is fixed with adapter sleeve 5-1-2, and trocar sheath is sleeved on the outer rear flank of blast tube, the closely sealed connection concavo-convex with the boss being connected dish 5-3-2 end face of the groove of adapter sleeve 5-1-2 end face；The outboard end of blast tube 5-3 is closed by filling in stifled 8, and plug is stifled to be fixed with blast tube by jackscrew, and the step of trocar sheath 5-1 and blast tube 5-3 end constitutes matched in clearance；The outboard end of trocar sheath 5-1 is welded with connection ring 5-1-3, holds set 9 tightly and is sleeved on the stifled outside of plug, holds set tightly and is connected ring through screw connection.Holding tightly and be arranged with lock-screw 9-1, unclamping lock-screw can adjust the blast nozzle angle relative to steel wire with rotating jacket pipe, is tightened by lock-screw after adjusting properly, and trocar sheath is i.e. fixed with blast tube.
Claims (6)
1. the mortar compound spray device for multi-line cutting machine, it is characterised in that: being made up of sand sprinkling machine structure and sandblasting mechanism, described sand sprinkling machine structure includes that a row is arranged on the pouring sandpipe (4) on steel wire top, drenches sandpipe and from top to bottom steel wire (7) is drenched sand；Described sandblasting mechanism is positioned at steel wire bottom, and sandblasting mechanism is from the bottom to top to steel wire sandblasting, and sandblasting mechanism includes that two set symmetrically arranged sandblasting assembly (5), two set sandblasting assemblies lay respectively at the left and right sides of cut blank；
Each set sandblasting assembly includes trocar sheath (5-1), blast nozzle (5-2) and blast tube (5-3) respectively, described trocar sheath is cylindrical shape, trocar sheath is sleeved on outside blast tube, trocar sheath top is provided with mortar outlet (5-1-1) vertically, is annular gap between trocar sheath and blast tube in the middle part of closed at both ends；Described blast nozzle (5-2) is cavity structure, its two ends are respectively arrival end and the port of export, and the flow area of arrival end is more than the port of export, the affixed trocar sheath of arrival end and corresponding with mortar outlet, the port of export is provided with long and narrow bar shaped spout (5-2-1), and bar shaped spout is corresponding with steel wire；The medial extremity of described blast tube (5-3) is fixed with equipment wallboard (6), and blast tube medial extremity connects with pulp piping, and blast tube outboard end is closed by filling in stifled (8), and blast tube is distributed sandblasting hole (5-3-1).
Mortar compound spray device for multi-line cutting machine the most according to claim 1, it is characterized in that: the lower area of the corresponding outer sleeve inner wall of described sandblasting hole (5-3-1), sandblasting hole arranges two rows, the location interval in two row's sandblasting holes is arranged in the axial direction, and the centerlines in two row's sandblasting holes is 60 ° diametrically.
Mortar compound spray device for multi-line cutting machine the most according to claim 2, it is characterized in that: the cross sectional shape of described blast nozzle (5-2) is right-angled trapezium, the angle of the porch side walls (5-2-3) of the blast nozzle straight sidewalls (5-2-2) of blast nozzle relatively is 6-7 °, and the porch side walls of blast nozzle is near steel wire.
Mortar compound spray device for multi-line cutting machine the most according to claim 3, it is characterized in that: described plug stifled (8) is fixed with blast tube, the stifled outside of plug is provided with holds set (9) tightly, hold set tightly and through lock-screw and fill in stifled holding tightly, the outboard end affixed connection ring (5-1-3) of described trocar sheath, holds tightly and overlaps and be connected the connection of ring screw.
Mortar compound spray device for multi-line cutting machine the most according to claim 4, it is characterized in that: described blast tube medial extremity affixed connection dish (5-3-2), connection dish is provided with arc screw slots, connection dish is fixed with wallboard through screw, the affixed adapter sleeve of the medial extremity (5-1-2) of described trocar sheath, adapter sleeve end face be connected the concavo-convex involutory connection of dish end face.
Mortar compound spray device for multi-line cutting machine the most according to claim 5, it is characterized in that: described pouring sandpipe (4) is provided with pouring sand hole (4-1), drench sand hole correspondence steel wire, drench sand hole and two rows are set, two rows drench the location interval setting of sand hole in the axial direction, and two rows drench the centerlines of sand hole diametrically is 60 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194118.7A CN104760147B (en) | 2015-04-23 | 2015-04-23 | A kind of mortar compound spray device for multi-line cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194118.7A CN104760147B (en) | 2015-04-23 | 2015-04-23 | A kind of mortar compound spray device for multi-line cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104760147A CN104760147A (en) | 2015-07-08 |
| CN104760147B true CN104760147B (en) | 2016-09-14 |
Family
ID=53642405
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194118.7A Active CN104760147B (en) | 2015-04-23 | 2015-04-23 | A kind of mortar compound spray device for multi-line cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104760147B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105729643A (en) * | 2016-03-27 | 2016-07-06 | 常州兆晶光能有限公司 | Sand blasting system of polycrystalline silicon multiline cutting device |
| CN107243845A (en) * | 2017-08-02 | 2017-10-13 | 马怡鑫 | A kind of mortar compound spray device for multi-line cutting machine |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203792548U (en) * | 2014-03-25 | 2014-08-27 | 常州兆晶光能有限公司 | Mortar distribution circulating device for multi-wire sawing machine |
| CN204640577U (en) * | 2015-04-23 | 2015-09-16 | 唐山晶玉科技有限公司 | A kind of multi-line cutting machine compound spray mortar device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH06114828A (en) * | 1992-10-02 | 1994-04-26 | Sumitomo Metal Ind Ltd | Cutting method with wire saw |
| JPH11216656A (en) * | 1998-01-30 | 1999-08-10 | Toshiba Ceramics Co Ltd | Work cutting method by wire saw |
-
2015
- 2015-04-23 CN CN201510194118.7A patent/CN104760147B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203792548U (en) * | 2014-03-25 | 2014-08-27 | 常州兆晶光能有限公司 | Mortar distribution circulating device for multi-wire sawing machine |
| CN204640577U (en) * | 2015-04-23 | 2015-09-16 | 唐山晶玉科技有限公司 | A kind of multi-line cutting machine compound spray mortar device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104760147A (en) | 2015-07-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204640577U (en) | A kind of multi-line cutting machine compound spray mortar device | |
| CN104760147B (en) | A kind of mortar compound spray device for multi-line cutting machine | |
| CN208035037U (en) | A kind of diamond ring scroll saw jetter | |
| CN210935444U (en) | Anti-deflection annular nozzle capable of rapidly stopping water | |
| CN105370292B (en) | A kind of center fish tail knife | |
| KR102221392B1 (en) | Excavator attachment cutter with easy rotation and linear movement | |
| CN111779479A (en) | Ultrahigh-pressure water cutting type tunneling machine and cutting method | |
| CN210080384U (en) | A drawing device for cable manufacture | |
| CN104612594A (en) | Drill bit with string-shaped water pores | |
| CN111659947A (en) | Broaching machine | |
| CN107243845A (en) | A kind of mortar compound spray device for multi-line cutting machine | |
| CN206998450U (en) | A kind of silent oscillation guide pin bushing | |
| CN115059443A (en) | Jet type coal seam slot forming device | |
| CN211839270U (en) | Efficient race ring surface oil washing device | |
| CN210919043U (en) | Cutting head for coal mine development machine | |
| CN211803732U (en) | Water-gas double-channel spraying frame | |
| CN209924955U (en) | Hole drill with spiral chip grooves for multi-layer brazing | |
| CN210134928U (en) | Cutting part structure of coal mining machine | |
| CN105171215A (en) | Split type plasma spray nozzle | |
| CN217141560U (en) | High-pressure cleaning head | |
| CN105386888A (en) | Cylinder body water jacket with orifice plug and engine cylinder body | |
| CN210549883U (en) | High-efficient towards bits device between vertical machining center protection | |
| CN211939403U (en) | Water plate water spray nozzle of linear cutting machine | |
| CN220667551U (en) | External side spraying module of coal mining machine | |
| CN213260364U (en) | Cooling device of grinding engraving and milling machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 064106 Hebei Tangshan City Yutian County Yutian Economic Development Zone City Industrial Park Patentee after: Tangshan Jingyu Polytron Technologies Inc Address before: 064100 Yutai Industrial Zone, Yutian County, Tangshan City, Hebei Patentee before: Tangshan Jing Yu Technology Co., Ltd. |
|
| CP03 | Change of name, title or address |