CN211415479U - Combined gang drill - Google Patents
Combined gang drill Download PDFInfo
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- CN211415479U CN211415479U CN201922288638.0U CN201922288638U CN211415479U CN 211415479 U CN211415479 U CN 211415479U CN 201922288638 U CN201922288638 U CN 201922288638U CN 211415479 U CN211415479 U CN 211415479U
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Abstract
The utility model discloses a combination gang drill, including the brill that is used for processing the work piece, the brill is chewed including first brill and second brill, and the processing direction that first brill was chewed and second brill was chewed all towards the work piece, and pinch roller, pressure flitch, horizontal brill and first perpendicular brill are all installed on the pressure frame, and horizontal brill corresponds with the pinch roller, and flitch and second are erect and are bored and all install on the roof-rack, horizontal brill, first perpendicular brill and second are erect and are bored the face that is different in being used for processing same work piece respectively, and horizontal brill, first perpendicular brill and second are erect and are bored and all be connected with actuating mechanism, and horizontal brill, first perpendicular brill and second are erect and are bored between the brill and actuating mechanism's connection mutual independence. For solving the technical problem, the utility model provides a six faces of timber just can simultaneous processing timber through a clamping to be used for satisfying the product technological requirement and improving the hole of six faces of timber and the required precision between the hole, and then reduce the defective percentage, improve production efficiency.
Description
Technical Field
The utility model relates to a gang drill equipment technical field, concretely relates to combination gang drill.
Background
The six-sided drill is a wood processing device for processing wood into wooden furniture, carving patterns and the like, and the combined gang drill is a cutter of the six-sided drill and can be used for a wood processing device for punching and grooving.
Traditional gang drill receives the restriction of processing technology, gang drill cutter number or other factors, current gang drill is comparatively single, the timber clamping is on six brills, when once the clamping, current gang drill can only process 2 to 3 faces of timber at most simultaneously, can not process six faces of timber simultaneously, need dismantle the timber and carry out the clamping for the second time, can process all the other faces of timber, and during the clamping for the second time, the condition that the pore pair of timber probably takes place to shift, dislocation, skew etc. and other faces should not, the precision variation, lead to the defective percentage to rise, reduce production efficiency, receive product technology requirement, partial timber needs six faces homoenergetic in the clamping to process and can satisfy the processing requirement.
Disclosure of Invention
The to-be-solved technical problem of the utility model is, how to provide a timber just can six faces of simultaneous processing timber through a clamping to be used for satisfying the product technological requirement and improving the hole of six faces of timber and the required precision between the hole, and then reduce the defective percentage, improve production efficiency.
In order to solve the technical problem, the combined gang drill comprises drill bits used for processing workpieces, wherein each drill bit comprises a first drill bit and a second drill bit, the first drill bit is positioned above the second drill bit, the direction of the first drill bit is vertically downward, the direction of the second drill bit is vertically upward, the processing directions of the first drill bit and the second drill bit are both towards the workpieces, the first drill bit comprises a pressing frame, a pressing wheel, a pressing plate, a transverse drill and a first vertical drill, the pressing wheel, the pressing plate, the transverse drill and the first vertical drill are all arranged on the pressing frame, the transverse drill corresponds to the pressing wheel, the first vertical drill corresponds to the pressing plate, the second drill bit comprises a top frame, a top plate and a second vertical drill, the top plate and the second vertical drill are all arranged on the top frame, the transverse drill, the first vertical drill and the second vertical drill are respectively used for processing different surfaces in the same workpiece, and the transverse drill, the first vertical drill and the second vertical drill are all connected with a driving mechanism, the transverse drill, the first vertical drill and the second vertical drill are connected with the driving mechanism independently.
The combined gang drill comprises a first drill bit and a second drill bit of the drill bits, which are matched together to operate six surfaces of the same workpiece, wherein the workpiece is clamped at a designated position between the first drill bit and the second drill bit and is fixed, the first drill bit is positioned above the workpiece, the second drill bit is positioned below the workpiece, a pressing frame of the first drill bit is moved to the position of the workpiece, when the side surface of the workpiece needs to be drilled, a pressing wheel presses the workpiece, a driving mechanism drives a transverse drill to start drilling on the side surface of the workpiece, the pressing frame is moved to the position corresponding to the side surface, the pressing wheel can roll at one time according to different drilling depths required by a product, and the transverse drill drills holes with different depths along with the movement of the pressing wheel; when the upper top surface of the workpiece needs to be machined, the transverse drill and the pressing wheel reset, the workpiece is pressed by the pressing plate, and the driving mechanism drives the first vertical drill and machines the upper top surface of the workpiece; when the lower bottom surface of a workpiece needs to be machined, the first drill bit resets, the ejector frame of the second drill bit moves to the position corresponding to the lower bottom surface, the ejector plate ejects the workpiece, the driving mechanism drives the second vertical drill to machine the lower bottom surface of the workpiece, the workpiece can be machined in all directions by one-time clamping of the workpiece, the workpiece machining requirement is met, the problem that precision is poor due to secondary clamping of the workpiece is avoided, and the efficiency of workpiece machining production can be improved while the defective rate is reduced by the combined gang drill.
The drill bit orientation of the transverse drill is in the horizontal direction, and the drill bit orientations of the first vertical drill and the second vertical drill are in the vertical direction.
The horizontal drill in the horizontal direction is used for processing the side surface of the workpiece, and the first vertical drill and the second vertical drill in the vertical direction are used for processing the upper top surface or the lower bottom surface of the workpiece.
The first drill bit and the second drill bit are both mounted on the rack, the first drill bit slides relative to the rack, the second drill bit slides relative to the rack, and the first drill bit and the second drill bit slide relative to the rack independently.
The workpiece clamping device comprises a rack, a first drill bit and a second drill bit, wherein the first drill bit and the second drill bit are mounted on the rack, the first drill bit and the second drill bit are moved to positions corresponding to the workpiece when the workpiece is machined, then the workpiece is machined, the first drill bit and the second drill bit can independently machine the workpiece, and the safety production accident caused by mutual collision of the first drill bit and the second drill bit is avoided.
The material pressing plate is provided with a plurality of through grooves, part of the first vertical drills are arranged on the through grooves, and gaps are reserved between the first vertical drills arranged on the through grooves and the through grooves.
The first vertical drill penetrates through the material pressing plate through the through groove, and due to the fact that the number of the first vertical drills is large, the first vertical drill does not touch the material pressing plate during machining, the material pressing plate does not occupy large space, more first vertical drills and more transverse drills can be arranged on the rack, and more first vertical drills and more transverse drills can be arranged.
The number of the first drill bits is one or more than one, the number of the first vertical drills is three or more than three, and the three first vertical drills are arranged on the pressing frame in a right-angle shape.
The number of the first drill bits is two, the two first drill bits are arranged in a mirror image distribution mode in the horizontal direction, and the two first drill bits slide independently on the frame.
The number of the first drill bits is two, one of the first drill bits is a left gang drill, the other one of the first drill bits is a right gang drill, the position relations of the left gang drill and the right gang drill are distributed in a mutual mirror image mode in the horizontal direction, and the left gang drill and the right gang drill are installed on the rack in a sliding mode.
The combined gang drill of the left gang drill and the right gang drill which are arranged in a mirror image distribution mode and the second drill bit has higher processing efficiency for processing the workpiece, and the production benefit of enterprises is further improved.
The automatic groove-drawing and milling machine further comprises a fixing plate and an electric main shaft for groove drawing and milling, wherein the electric main shaft is slidably mounted on the fixing plate, and the pressing wheel is further mounted on the electric main shaft.
The left gang drill, the right gang drill and the second drill are only used for drilling holes with different depths, the electric spindle can be matched with the first drill and the second drill to groove the workpiece and mill grooves with different shapes according to the processing requirements of the workpiece, and when the electric spindle processes the workpiece, the electric spindle can slide up and down in the vertical direction perpendicular to the horizontal plane relative to the fixing plate.
The driving mechanism is an air cylinder.
The first vertical drill and the material pressing plate are both protruded relative to the pressing frame, and when the first vertical drill is in a stop state, the height of the material pressing plate protrusion is higher than that of the first vertical drill; when the first vertical drill is in a processing state, the cylinder connected with the first vertical drill extends, and the height of the bulge of the first vertical drill is higher than that of the pressing plate;
the height of the cross drill in the vertical direction is lower than that of the pinch roller in the vertical direction.
The height of the first vertical drill in a stop state is lower than that of the material pressing plate, the height of the transverse drill in the vertical direction is lower than that of the pressing wheel in the vertical direction, the first vertical drill and the transverse drill are arranged on the pressing frame, the number of cutters of the second vertical drill is large on the top frame, the material pressing plate, the pressing wheel and the material pressing plate can prevent the first vertical drill, the transverse drill and the second vertical drill from scratching workpieces, and the defective rate of workpiece processing is further reduced.
It should be noted that:
the foregoing references to "first and second …" do not denote any particular quantity or order, but rather are used to distinguish one name from another.
The orientation or positional relationship indicated by the aforementioned "cross drill" is the direction of drilling during drilling based on the inventive product, and is only for convenience of description and simplicity of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the invention.
The orientation or position relation indicated by the first vertical drill and the second vertical drill is relatively vertical to the transverse drill.
The foregoing directions or positional relationships indicated by "up, down, left, and right" are directions or positional relationships that are conventionally placed when the product of the present invention is used, or directions or positional relationships that are conventionally understood by those skilled in the art, and are merely for convenience of description and simplification of description, and do not indicate or imply that the device or element being referred to must have a particular direction, be constructed and operated in a particular direction, and therefore, should not be construed as limiting the present invention.
Drawings
FIG. 1 is an isometric view of a first drill bit according to a first embodiment of the present invention;
fig. 2 is a structural diagram of a left gang drill of a first drill bit according to a first embodiment of the present invention;
fig. 3 is a structural diagram of a right gang drill of a first drill bit according to a first embodiment of the present invention;
fig. 4 is a front view structural diagram of a middle pressing plate according to an embodiment of the present invention;
fig. 5 is a structural diagram of the electric spindle installed on the right gang drill according to the first embodiment of the present invention;
fig. 6 is an isometric view of an electric spindle according to a first embodiment of the present invention;
FIG. 7 is an isometric view of a second drill bit according to a first embodiment of the present invention;
fig. 8 is an axonometric view of the first drill bit and the second drill bit of the first embodiment of the present invention both mounted on the frame;
figure 9 is an isometric view of a first drill bit according to a second embodiment of the present invention;
fig. 10 is a top view structural view of a first drill bit according to a second embodiment of the present invention;
description of reference numerals:
100. the drill bit comprises a drill bit body 110, a first drill bit body 111, a pressing frame 112, a pressing wheel 113, a pressing plate 1132, a penetrating groove 114, a transverse drill bit 115, a first vertical drill bit 116, a left gang drill bit 117, a right gang drill bit 120, a second drill bit 121, a top frame 122, a top plate 123, a second vertical drill bit 200, a driving mechanism 300, a rack 400, an electric main shaft 500 and a fixing plate.
Detailed Description
The following describes embodiments of the present invention in detail.
Example one
As shown in fig. 1 to 7, a combined gang drill includes a drill 100 for processing a workpiece, the drill 100 includes a first drill 110 and a second drill 120, the first drill 110 is located above the second drill 120, the first drill 110 is vertically downward, the second drill 120 is vertically upward, the first drill 110 and the second drill 120 are both oriented toward the workpiece, the first drill 110 includes a pressing frame 111, a pressing wheel 112, a pressing plate 113, a transverse drill 114 and a first vertical drill 115, the pressing wheel 112, the pressing plate 113, the transverse drill 114 and the first vertical drill 115 are all mounted on the pressing frame 111, the transverse drill 114 corresponds to the pressing wheel 112, the first vertical drill 115 corresponds to the pressing plate, the second drill 120 includes a top frame 121, a top plate 122 and a second vertical drill 123, the top plate 122 and the second vertical drill 123 are all mounted on the top frame 121, the transverse drill 114, the first vertical drill 115 and the second vertical drill 123 are respectively used for processing different workpieces in the same workpiece, the transverse drill 114, the first vertical drill 115 and the second vertical drill 123 are all connected with a driving mechanism 200, and the transverse drill 114, the first vertical drill 115 and the second vertical drill 123 are connected with the driving mechanism 200 independently.
The first drill bit 110 and the second drill bit 120 of the drill bit 100 are matched together to operate six surfaces of the same workpiece, the workpiece is clamped at a designated position between the first drill bit 110 and the second drill bit 120 and is fixed, the first drill bit 110 is positioned above the workpiece at the moment, the second drill bit 120 is positioned below the workpiece, the pressing frame 111 of the first drill bit 110 is moved to the position of the workpiece, when the side surface of the workpiece needs to be drilled, the pressing wheel 112 presses the workpiece, the driving mechanism 200 drives the transverse drill 114 to start drilling on the side surface of the workpiece, the pressing frame 111 is moved to the position corresponding to the side surface, according to different drilling depths required by the product, the pressing wheel 112 can roll while the transverse drill 114 drills holes with different depths along with the movement of the pressing wheel 112; when the upper top surface of the workpiece needs to be machined, the transverse drill 114 and the pressing wheel 112 reset, the workpiece is pressed by the pressing plate 113, and the driving mechanism 200 drives the first vertical drill 115 and machines the upper top surface of the workpiece; when the lower bottom surface of a workpiece needs to be machined, the first drill bit 110 is reset, the top frame 121 of the second drill bit 120 moves to a position corresponding to the lower bottom surface, the ejector plate 122 abuts against the workpiece, the driving mechanism 200 drives the second vertical drill 123 to machine the lower bottom surface of the workpiece, the workpiece can be machined in all directions by one-time clamping of the workpiece, the workpiece machining requirements are met, the situation that the precision of the workpiece is poor due to secondary clamping is avoided, and the efficiency of workpiece machining production can be improved while the defective rate is reduced by the combined gang drill.
Referring to fig. 2 and 7, the horizontal drill 114 has a horizontal drill head, and the first vertical drill 115 and the second vertical drill 123 have a vertical drill head.
Referring to fig. 1, 2 and 5, the horizontal drill 114 is used for machining the side surface of the workpiece, and the vertical drill 115 and the second vertical drill 123 are used for machining the top surface or the bottom surface of the workpiece.
The pressing wheel 112 is hinged on the pressing frame 111 through a hinge shaft, and the traveling direction of the pressing wheel 112 is consistent with the orientation of the corresponding cross drill 114 in the horizontal direction.
Referring to fig. 7 and 8, the first drill bit 110 and the second drill bit 120 are both mounted on the frame 300, the first drill bit 110 slides relative to the frame 300, the second drill bit 120 slides relative to the frame 300, and the first drill bit 110 and the second drill set slide relative to the frame 300 independently.
The workpiece is clamped on the rack 300, the first drill bit 110 and the second drill bit 120 are both arranged on the rack 300, when the workpiece is machined, the first drill bit 110 and the second drill bit 120 are moved to the positions corresponding to the workpiece, then the workpiece is machined, the first drill bit 110 and the second drill bit 120 can independently machine the workpiece, and safety production accidents caused by the fact that the first drill bit 110 and the second drill bit 120 collide with each other are avoided.
The number of the through slots 1132 in this embodiment is 8, 8 first vertical drills 115 penetrate through the pressure plate 113 through the through slots 1132, and due to the fact that the number of the first vertical drills 115 is large, the first vertical drills 115 do not touch the pressure plate 113 during machining, the pressure plate 113 does not occupy a large space, more first vertical drills 115 and more transverse drills 114 can be arranged on the rack 300, and more first vertical drills 115 and more transverse drills 114 can be arranged.
In this embodiment, the number of the second vertical drills 123 of the second drill 120 is 6, and the intervals between the second vertical drills 123 of the second drill 120 are 32 mm.
The positions of the 9 first vertical drills 115 in this embodiment are disposed on the through slot 1132, the other 2 first vertical drills are not disposed on the through slot 1132, and a gap is formed between the first vertical drill 115 disposed on the through slot 1132 and the through slot 1132.
Referring to fig. 2, 3 and 4, the number of the first drill bits 110 is two, one of the first drill bits 110 is a left gang drill 116, the other one of the first drill bits 110 is a right gang drill 117, the left gang drill 116 and the right gang drill 117 are arranged in a mirror image distribution manner in the horizontal direction, and the left gang drill 116 and the right gang drill 117 are installed on the rack 300 in a sliding manner.
In this embodiment, the left gang drill 116 and the right gang drill 117, which are arranged in a mirror image distribution, and the second drill bit 123 are arranged, so that the combined gang drill of the three drill bits 100 has higher processing efficiency for processing the workpiece at the same time, and further improves the production efficiency of enterprises.
Referring to fig. 5 and 6, the combination gang drill further includes a fixing plate 500 and an electric spindle 400 for slot-drawing and milling, wherein the electric spindle 400 is slidably mounted on the fixing plate 500, and the pressing wheel 112 is further mounted on the electric spindle 400.
The left gang drill 116, the right gang drill 117 and the second drill 120 are only used for drilling holes with different depths, the electric spindle 400 can be matched with the first drill 110 and the second drill 120 to slot and mill grooves with different shapes according to the processing requirements of workpieces, and when the electric spindle 400 processes the workpieces, the electric spindle 400 can slide up and down in the vertical direction perpendicular to the horizontal plane relative to the fixing plate 500.
The driving mechanism 200 of the present embodiment is an air cylinder, one air cylinder corresponds to one first vertical drill 115, one air cylinder corresponds to one transverse drill 114, and one air cylinder corresponds to one second vertical drill 123, so that each first vertical drill 115, each transverse drill 114, and each second vertical drill 123 can be operated independently.
The first vertical drill 115 and the material pressing plate 113 are both convex relative to the pressing frame 111, and when the first vertical drill 115 is in a stop state, the convex height of the material pressing plate 113 is higher than that of the first vertical drill 115; when the first vertical drill 115 is in a processing state, the cylinder connected with the first vertical drill 115 extends, and the height of the bulge of the first vertical drill 115 is higher than that of the material pressing plate 113; the cross drill 114 is at a lower vertical height than the puck 112.
The height of the first vertical drill 115 in a stop state is lower than that of the material pressing plate 113, the height of the transverse drill 114 in the vertical direction is lower than that of the pressing wheel 112, the first vertical drill 115 and the transverse drill 114 are arranged on the pressing frame 111, and the number of cutters of the second vertical drill 123 arranged on the top frame 121 is large, so that the material pressing plate 113, the pressing wheel 112 and the material pressing plate 122 can prevent the first vertical drill 115, the transverse drill 114 and the second vertical drill 123 from scratching workpieces, and the defective rate of workpiece processing is further reduced.
Example two
As shown in fig. 9 and 10, in the first embodiment, compared with the first embodiment, the number of the first drill bits 110 is one, the number of the first vertical drills 115 is 12, and 12 first vertical drills 115 are arranged at right angles on the pressing frame 111.
Compared with the arrangement position of the first vertical drill 115, the arrangement position of the first vertical drill 115 of the present embodiment is that the rack 300 of the present embodiment only needs to be provided with one first drill bit 110, the arrangement position of the first vertical drill 115 does not need to be too compact, and when the first vertical drill 115 is installed or replaced, the gap between the first vertical drill 115 is large, and the installation is easy.
The number of the first vertical drills 115 of the first drill tip 110 is 12, the combination of the embodiment can simultaneously process six surfaces of a workpiece, the combination mode of the combined gang drill of the embodiment is that the equipment production cost of the combined gang drill of one first drill tip and one second drill tip and two drill tips 100 is lower, and the number of the transverse drills 114 is the same as that of the first embodiment.
The above are only specific embodiments of the present invention, and the protection scope of the present invention is not limited thereby; any replacement and improvement made on the basis of not violating the conception of the utility model belong to the protection scope of the utility model.
Claims (10)
1. A combination gang drill comprising:
the drill bit is used for processing a workpiece;
the drill bit comprises a first drill bit and a second drill bit, the first drill bit is positioned above the second drill bit, the direction of the first drill bit is vertically downward, the direction of the second drill bit is vertically upward, and the processing directions of the first drill bit and the second drill bit are both towards a workpiece;
the device is characterized in that the first drill bit comprises a pressing frame, a pressing wheel, a pressing plate, a transverse drill and a first vertical drill, wherein the pressing wheel, the pressing plate, the transverse drill and the first vertical drill are all arranged on the pressing frame, the transverse drill corresponds to the pressing wheel, and the first vertical drill corresponds to the pressing plate;
the second drill bit comprises a top frame, a top material plate and a second vertical drill, and the top material plate and the second vertical drill are both arranged on the top frame;
the transverse drill, the first vertical drill and the second vertical drill are respectively used for processing different surfaces in the same workpiece;
the transverse drill, the first vertical drill and the second vertical drill are all connected with a driving mechanism, and the transverse drill, the first vertical drill and the second vertical drill are connected with the driving mechanism independently.
2. The combination gang drill of claim 1, wherein the drill head orientation of the lateral drill is horizontal and the drill head orientations of the first and second vertical drills are vertical.
3. The combination gang drill of claim 2, wherein the press wheels are hingedly mounted to the press frame by hinge axes, the direction of travel of the press wheels being aligned with the horizontal orientation of the corresponding cross drill.
4. The combination gang drill of any one of claims 1 to 3, further comprising a frame, the first drill and the second drill being mounted to the frame, the first drill sliding relative to the frame and the second drill sliding relative to the frame, the first drill and the second drill sliding relative to the frame independently of each other.
5. The combination gang drill of claim 4, wherein the blank holder is provided with a plurality of through grooves, and a part of the first vertical drills are arranged on the through grooves, and a gap is formed between the first vertical drills arranged on the through grooves and the through grooves.
6. The combination gang drill of claim 5, wherein the number of the first drill bits is one or more than one, the number of the first vertical drills is three or more than three, and the three first vertical drills are arranged at right angles on the pressing frame.
7. The combination gang drill of claim 6, wherein the number of the first drill bits is two, one of the first drill bits is a left gang drill, the other one of the first drill bits is a right gang drill, the left gang drill and the right gang drill are arranged in a mirror image distribution manner in the horizontal direction, and the left gang drill and the right gang drill are mounted on the rack in a sliding manner.
8. The gang drill of claim 7, further comprising a fixed plate, a motorized spindle for broaching and milling, the motorized spindle being slidably mounted on the fixed plate, and the press wheel being further mounted on the motorized spindle.
9. The combination gang drill of any one of claims 1 to 3, wherein the drive mechanism is a pneumatic cylinder.
10. The combination gang drill of claim 9, wherein the first vertical drill and the pressure plate are both raised relative to the pressure frame, and when the first vertical drill is in a stop state, the height of the pressure plate is higher than that of the first vertical drill; when the first vertical drill is in a processing state, the cylinder connected with the first vertical drill extends, and the height of the bulge of the first vertical drill is higher than that of the pressing plate;
the height of the cross drill in the vertical direction is lower than that of the pinch roller in the vertical direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288638.0U CN211415479U (en) | 2019-12-18 | 2019-12-18 | Combined gang drill |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922288638.0U CN211415479U (en) | 2019-12-18 | 2019-12-18 | Combined gang drill |
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| Publication Number | Publication Date |
|---|---|
| CN211415479U true CN211415479U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922288638.0U Active CN211415479U (en) | 2019-12-18 | 2019-12-18 | Combined gang drill |
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| CN (1) | CN211415479U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116931507A (en) * | 2023-09-18 | 2023-10-24 | 成都飞机工业（集团）有限责任公司 | Group hole perforation control method and device, storage medium and electronic equipment |
-
2019
- 2019-12-18 CN CN201922288638.0U patent/CN211415479U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116931507A (en) * | 2023-09-18 | 2023-10-24 | 成都飞机工业（集团）有限责任公司 | Group hole perforation control method and device, storage medium and electronic equipment |
| CN116931507B (en) * | 2023-09-18 | 2024-01-12 | 成都飞机工业（集团）有限责任公司 | Group hole perforation control method and device, storage medium and electronic equipment |
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| CP03 | Change of name, title or address |
Address after: 510000 "Baishahu" (Tuming) Factory Building, Tanshan Village, Hualong Town, Panyu District, Guangzhou, Guangdong Province Patentee after: Guangzhou Santuo Metai Processing Machiney Co.,Ltd. Address before: 510000 "baishahu" (tuming) factory building, Tanshan village, Hualong Town, Guangzhou City, Guangdong Province Patentee before: GUANGZHOU SANTUO METAL PROCESSING MACHINERY Co.,Ltd. |
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| CP03 | Change of name, title or address |