CN109108699B - Clamping and positioning device for plate drilling machine - Google Patents
Clamping and positioning device for plate drilling machine Download PDFInfo
- Publication number
- CN109108699B CN109108699B CN201811336283.1A CN201811336283A CN109108699B CN 109108699 B CN109108699 B CN 109108699B CN 201811336283 A CN201811336283 A CN 201811336283A CN 109108699 B CN109108699 B CN 109108699B
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- China
- Prior art keywords
- clamping
- base
- drilling machine
- fixed mounting
- fixedly arranged
- Prior art date
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- 238000005553 drilling Methods 0.000 title claims abstract description 54
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 2
- 230000037431 insertion Effects 0.000 claims description 2
- 239000002023 wood Substances 0.000 description 14
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000003631 expected effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/26—Movable or adjustable work or tool supports characterised by constructional features relating to the co-operation of relatively movable members; Means for preventing relative movement of such members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/50—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism
- B23Q1/52—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair
- B23Q1/522—Movable or adjustable work or tool supports using particular mechanisms with rotating pairs only, the rotating pairs being the first two elements of the mechanism a single rotating pair which is perpendicular to the working surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27C—PLANING, DRILLING, MILLING, TURNING OR UNIVERSAL MACHINES FOR WOOD OR SIMILAR MATERIAL
- B27C3/00—Drilling machines or drilling devices; Equipment therefor
- B27C3/02—Stationary drilling machines with a single working spindle
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a clamping and positioning device for a plate drilling machine, which comprises a base, wherein a bearing seat is fixedly arranged in the base, a support column is rotatably connected to the bearing seat, a bearing is sleeved on the upper rotary sleeve of the support column, the bearing is fixedly arranged on the base, a gear disc is fixedly arranged at the upper end of the support column, a bolt mechanism matched with the gear disc is fixedly arranged at the upper end of the base, a supporting plate is fixedly arranged at the upper end of the gear disc, a first sliding groove is formed in the supporting plate, a first sliding block is slidably arranged in the first sliding groove, a fixed plate is fixedly arranged at the upper end of the first sliding block, a second sliding groove is formed in the upper surface of the fixed plate, and a clamping mechanism is fixedly arranged at one side of the fixed plate. The clamping and positioning device can enable clamping and positioning to be stable, is simple to operate, saves time and labor, improves drilling quality, and reduces labor intensity of workers.
Description
Technical Field
The invention belongs to the technical field of plate drilling, and particularly relates to a clamping and positioning device for a plate drilling machine.
Background
A drill refers to a machine and equipment that leaves a cylindrical hole or bore in a target by means of rotary cutting or rotary extrusion with a tool that is harder and sharper than the target. Also known as drills, punches, hole drills, hole-penetrating machines, etc. The expected effect is achieved by drilling the precision part, and the drilling machine comprises a semiautomatic drilling machine and a full-automatic drilling machine, so that the cost of manpower resources is increased; most enterprises consider fully automatic drilling machines as a direction of development. Along with the development of the times, the drilling technology of the automatic drilling machine is improved, and the advantages of drilling various hardware dies, watchband drilling and jewelry by adopting the full-automatic drilling machine are obvious.
However, when the drilling machine is used in some small wood board factories, the drilling machine is still a semi-automatic drilling machine, and when the drilling machine is used, the drilling machine is manually stepped to position or is simply fixed, so that the drilled holes are quite different in size and poor in quality, and when multiple holes are drilled on the same side of the wood board, the drilling points are positioned after the wood board is unfixed, the drilling machine is fixed again, the operation is troublesome, and when the wood board is perforated on the side of the wood board, the wood board needs to be removed after the fixing is removed, the position is adjusted, and the labor intensity of workers is high.
Therefore, the clamping and positioning device for the plate drilling machine solves the problems in the prior art, so that the clamping and positioning are stable, the operation is simple, the time and the labor are saved, and the drilling quality is improved.
Disclosure of Invention
The invention aims to provide a clamping and positioning device for a plate drilling machine, which aims to solve the problems of poor drilling quality, troublesome operation and high labor intensity of workers in the background technology.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a clamping and positioning device for panel drilling machine, includes the base, the inside fixed mounting of base has the bearing frame, it is connected with the support column to rotate on the bearing frame, the last rotation of support column has cup jointed the bearing, bearing fixed mounting is on the base, the upper end fixed mounting of support column has the toothed disc, the upper end fixed mounting of base has the bolt mechanism with toothed disc assorted, the upper end fixed mounting of toothed disc has the backup pad, set up first spout in the backup pad, the inside slidable mounting of first spout has first slider, the upper end fixed mounting of first slider has the fixed plate, the second spout has been seted up to the upper surface of fixed plate, the inside fixed mounting of second spout has the second slider, the upper end fixed mounting of second slider has first scale, one side fixed mounting of backup pad upper surface has the second scale, set up the third spout on the first scale, third spout has laser through third slider slidable mounting, set up the fourth spout on the second scale, the fourth slider has the fixed mounting of light pen through fourth slider fixed mounting of fourth slider.
Preferably, the latch mechanism comprises a limit groove and a plug block, wherein the limit groove is fixedly arranged on the base, the plug block is slidably arranged in the limit groove, a convex ring is arranged on the plug block, a spring is sleeved on the plug block, one end of the spring is fixedly arranged in the limit groove, the other end of the spring is fixedly arranged on the side part of the convex ring, and the plug block is inserted in a tooth slot of the gear disc.
Preferably, the clamping mechanism comprises a screw rod, a pressing block and a threaded pipe, wherein the pressing block is in threaded connection with the screw rod through a threaded hole, the screw rod is in threaded connection with the threaded pipe, and the threaded pipe is fixedly arranged on the side part of the fixing plate.
Preferably, the pressing block is in an inverted L shape.
Preferably, a steel wire is fixedly arranged at one end of the insertion block, a circular ring is fixedly arranged at one end of the steel wire, and a fixing column matched with the circular ring is fixedly arranged on the base.
Preferably, a drilling machine main body is fixedly arranged on one side of the base.
Preferably, the first sliding groove and the fixing plate are mutually perpendicular.
Preferably, a rubber layer is arranged on the upper surface of the fixing plate.
Preferably, a rubber pad is fixedly arranged at the bottom of the base.
The invention has the technical effects and advantages that: compared with the prior art, the clamping and positioning device for the plate drilling machine provided by the invention has the following advantages:
1. Through the use of the gear plate, the fixed table can be simply and conveniently rotated, so that the wood board to be processed can be perforated in multiple sides, the moving times of workers on the wood board can be reduced, and the labor intensity of the workers is reduced;
2. through the use of the clamping mechanism, the wood board to be processed can be simply and conveniently fixed, and the conditions of easy deviation, large aperture and poor drilling quality caused by manual stepping and fixing during drilling can be effectively avoided;
3. Through the cooperation of first spout and first slider use, can make the fixed plate slide along the straight line to when making plank with one side continuous drilling, can keep on same straight line, use simultaneously with first scale, second scale, laser pen and locating nail cooperation, can be as required, when the continuous drilling operation to plank with one side, can carry out the distance location between the adjacent eyelet.
Drawings
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the structure of the portion A in FIG. 1 according to the present invention;
FIG. 3 is an exploded view of the clamping mechanism of the present invention;
Fig. 4 is a top view of the fixing plate of the present invention.
In the figure: 1 base, 2 bearing frame, 3 support column, 4 bearing, 5 toothed disc, 6 bolt mechanism, 7 backup pad, 8 first spout, 9 first slider, 10 fixed plate, 11 second spout, 12 second slider, 13 first scale, 14 second scale, 15 third spout, 16 third slider, 17 locating nail, 18 fourth spout, 19 fourth slider, 20 laser pen, 21 clamping mechanism, 22 spacing groove, 23 inserted block, 24 bulge loop, 25 spring, 26 screw rod, 27 briquetting, 28 screwed tube, 29 steel wire, 30 ring, 31 fixed column, 32 drilling machine main part, 33 rubber layer, 34 rubber pad.
Detailed Description
The following description of the embodiments of the present invention 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 invention, but not all embodiments. The specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The invention provides a clamping and positioning device for a plate drilling machine, which is shown in fig. 1-4, and comprises a base 1, wherein a bearing seat 2 is fixedly arranged in the base 1, a support column 3 is rotatably connected to the bearing seat 2, a bearing 4 is rotatably sleeved on the support column 3, the bearing 4 is fixedly arranged on the base 1, a gear disc 5 is fixedly arranged at the upper end of the support column 3, a bolt mechanism 6 matched with the gear disc 5 is fixedly arranged at the upper end of the base 1, a supporting plate 7 is fixedly arranged at the upper end of the gear disc 5, a first sliding groove 8 is formed in the supporting plate 7, a first sliding block 9 is slidably arranged in the first sliding groove 8, a fixed plate 10 is fixedly arranged at the upper end of the first sliding block 9, a second sliding groove 11 is formed in the upper surface of the fixed plate 10, a second sliding block 12 is fixedly arranged in the second sliding groove 11, a first scale 13 is fixedly arranged at the upper end of the second sliding block 12, a second scale 14 is fixedly arranged at one side of the upper surface of the supporting plate 7, a third sliding block 15 is fixedly arranged on the first sliding groove 13, a fourth sliding groove 15 is fixedly arranged at the fourth sliding groove 18, and a fourth sliding groove 20 is fixedly arranged at the fourth sliding groove 18 through the third sliding groove 15.
Preferably, the latch mechanism 6 includes a limit groove 22 and an insert block 23, the limit groove 22 is fixedly installed on the base 1, the insert block 23 is slidably installed in the limit groove 22, a convex ring 24 is provided on the insert block 23, a spring 25 is sleeved on the insert block 23, one end of the spring 25 is fixedly installed in the limit groove 22, the other end of the spring 25 is fixedly installed on the side portion of the convex ring 24, and the insert block 23 is inserted in a tooth slot of the gear disc 5.
Through adopting above-mentioned technical scheme, through drawing the kickback with the kickback 23, can rotate fixed plate 10 to can trade the side to the plank and punch, effectually reduce workman intensity of labour, rebound through spring 25 simultaneously, can make kickback 23 insert in the tooth's socket of toothed disc 5, can fix the fixed plate 10 after the rotation.
Preferably, the clamping mechanism 21 includes a screw 26, a pressing block 27 and a threaded tube 28, the pressing block 27 is in threaded connection with the screw 26 through a threaded hole, the screw 26 is in threaded connection with the threaded tube 28, and the threaded tube 28 is fixedly mounted on the side portion of the fixing plate 10.
Through adopting above-mentioned technical scheme, through rotatory screw rod 26 down in screwed pipe 28, can fix briquetting 27, make briquetting 27 card simultaneously press the plank, can be simple and convenient treat the plank of drilling and fix.
Preferably, the pressing block 27 is in an inverted L shape.
By adopting the technical scheme, the pressing block 27 is arranged in an inverted L shape, so that the wood board to be drilled and the fixing plate 10 can be fixed in a wrapping manner, and the fixation is firmer.
Preferably, a steel wire 29 is fixedly installed at one end of the insert block 23, a circular ring 30 is fixedly installed at one end of the steel wire 29, and a fixing column 31 matched with the circular ring 30 is fixedly installed on the base 1.
Through adopting above-mentioned technical scheme, through pulling the steel wire, can make the inserted block remove in the spacing groove, through with the ring cover on the fixed column, can make the inserted block break away from the contact with the gear wheel, make things convenient for the workman to fix and remove fixedly the fixed plate, the user of being convenient for uses.
Preferably, a drilling machine main body 32 is fixedly installed at one side of the base 1.
Through adopting above-mentioned technical scheme, through drilling machine main part 32 vertical punching drilling on the plank, use with first spout 8 and first slider 9 cooperation, can be simple and convenient continuous punching on the same straight line of plank.
Preferably, the first sliding groove 8 and the fixing plate 10 are disposed perpendicular to each other.
By adopting the above technical scheme, the wood board can be punched on the same straight line along the first chute 8 by moving the fixing plate 10.
Preferably, the upper surface of the fixing plate 10 is provided with a rubber layer 33.
Through adopting above-mentioned technical scheme, through the setting of rubber layer 33, can improve the plank frictional force on fixed plate 10, be convenient for better fix the plank.
Preferably, a rubber pad 34 is fixedly installed at the bottom of the base 1.
Through adopting above-mentioned technical scheme, through the use of rubber pad 34, can improve the frictional force of base 1 and ground and reduce vibration, avoid when drilling, base 1 takes place the shake.
Structural principle: the fixing table 10 can be simply and conveniently rotated through the use of the bearing 4, the bearing seat 2, the support 3 and the gear disc 5, so that the wood board to be processed can be perforated in multiple sides, the moving times of workers on the wood board can be reduced, and the labor intensity of the workers is reduced;
through the use of the clamping mechanism 21, the wood board to be processed can be simply and conveniently fixed, and the conditions of easy deviation, large aperture and poor drilling quality caused by manual stepping and fixing during drilling can be effectively avoided;
Through the cooperation of first spout 8 and first slider 9, can make fixed plate 10 slide along the straight line to when making plank with one side continuous drilling, can keep on same straight line, simultaneously with first scale 13, second scale 14, laser pen 20 and locating nail 17 cooperation use, can be as required, when drilling operation in succession to the plank, can carry out the distance location between the adjacent eyelet, effectively improve drilling quality.
Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present invention, and although the present invention 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 invention.
Claims (7)
1. The utility model provides a panel drilling machine is with pressing from both sides tight positioner, includes base (1), its characterized in that: the inside fixed mounting of base (1) has bearing frame (2), rotate on bearing frame (2) and be connected with support column (3), rotate on support column (3) and cup joint bearing (4), bearing (4) fixed mounting is on base (1), the upper end fixed mounting of support column (3) has toothed disc (5), the upper end fixed mounting of base (1) has bolt mechanism (6) with toothed disc (5) assorted, the upper end fixed mounting of toothed disc (5) has backup pad (7), first spout (8) have been seted up on backup pad (7), the inside slidable mounting of first spout (8) has first slider (9), the upper end fixed mounting of first slider (9) has fixed plate (10), the upper surface of fixed plate (10) has seted up second spout (11), the inside fixed mounting of second spout (11) has second slider (12), the upper end fixed mounting of second slider (12) has first scale (13), the upper end fixed mounting of backup pad (7) has backup pad (7), the inside fixed mounting of first spout (8) has first slider (15) through third scale (15), a fourth chute (18) is formed in the second graduated scale (14), a laser pen (20) is slidably mounted on the fourth chute (18) through a fourth sliding block (19), and a clamping mechanism (21) is fixedly mounted on one side of the fixed plate (10); the plug pin mechanism (6) comprises a limit groove (22) and a plug block (23), wherein the limit groove (22) is fixedly arranged on the base (1), the plug block (23) is slidably arranged in the limit groove (22), a convex ring (24) is arranged on the plug block (23), a spring (25) is sleeved on the plug block (23), one end of the spring (25) is fixedly arranged in the limit groove (22), the other end of the spring (25) is fixedly arranged on the side part of the convex ring (24), and the plug block (23) is inserted in a tooth groove of the gear disc (5); the clamping mechanism (21) comprises a screw (26), a pressing block (27) and a threaded pipe (28), wherein the pressing block (27) is in threaded connection with the screw (26) through a threaded hole, the screw (26) is in threaded connection with the threaded pipe (28), and the threaded pipe (28) is fixedly arranged on the side portion of the fixing plate (10).
2. A clamping and positioning device for a plate drilling machine according to claim 1, wherein: the pressing block (27) is in an inverted L-shaped arrangement.
3. A clamping and positioning device for a plate drilling machine according to claim 1, wherein: one end of the insertion block (23) is fixedly provided with a steel wire (29), one end of the steel wire (29) is fixedly provided with a circular ring (30), and the base (1) is fixedly provided with a fixing column (31) matched with the circular ring (30).
4. A clamping and positioning device for a plate drilling machine according to claim 1, wherein: one side of the base (1) is fixedly provided with a drilling machine main body (32).
5. A clamping and positioning device for a plate drilling machine according to claim 1, wherein: the first sliding groove (8) and the fixed plate (10) are mutually perpendicular.
6. A clamping and positioning device for a plate drilling machine according to claim 1, wherein: the upper surface of the fixed plate (10) is provided with a rubber layer (33).
7. A clamping and positioning device for a plate drilling machine according to claim 1, wherein: the bottom of the base (1) is fixedly provided with a rubber pad (34).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336283.1A CN109108699B (en) | 2018-11-12 | 2018-11-12 | Clamping and positioning device for plate drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811336283.1A CN109108699B (en) | 2018-11-12 | 2018-11-12 | Clamping and positioning device for plate drilling machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109108699A CN109108699A (en) | 2019-01-01 |
| CN109108699B true CN109108699B (en) | 2024-05-03 |
Family
ID=64853852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811336283.1A Active CN109108699B (en) | 2018-11-12 | 2018-11-12 | Clamping and positioning device for plate drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109108699B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732895B (en) * | 2019-10-31 | 2024-06-21 | 安徽科瑞特模塑有限公司 | Compressing and positioning device for machining automobile bumper |
| CN110919774B (en) * | 2019-12-17 | 2021-05-25 | 徐州金钿木业有限公司 | A mortising machine for wood working |
| CN115781331B (en) * | 2022-11-14 | 2025-08-19 | 中航西安飞机工业集团股份有限公司 | Auxiliary equipment for hole making and compaction of laminated material |
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| WO2002030602A1 (en) * | 2000-10-13 | 2002-04-18 | Kohori Tekkou Kabushiki Kaisha | Rail drilling device |
| DE10325073A1 (en) * | 2003-06-03 | 2004-12-23 | Mafell Ag | Drill framework for drilling machine used in carpentry, connects drilling machine to setting structure using single guide post, in which displaceable drilling machine holder is pivoted on guide post |
| CN206185997U (en) * | 2016-08-26 | 2017-05-24 | 成都四通瑞坤家具有限公司 | Wood drilling machine that can accurately punch |
| CN207952674U (en) * | 2018-03-12 | 2018-10-12 | 成都德贝实业有限公司 | A kind of automatic drilling machine |
| CN108673197A (en) * | 2018-07-27 | 2018-10-19 | 吴子翻 | Five good metalworking drilling equipments of a kind of clamping effect |
| CN209021673U (en) * | 2018-11-12 | 2019-06-25 | 安吉森虎机械有限公司 | A kind of board drilling machine clamping and positioning device |
-
2018
- 2018-11-12 CN CN201811336283.1A patent/CN109108699B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002030602A1 (en) * | 2000-10-13 | 2002-04-18 | Kohori Tekkou Kabushiki Kaisha | Rail drilling device |
| DE10325073A1 (en) * | 2003-06-03 | 2004-12-23 | Mafell Ag | Drill framework for drilling machine used in carpentry, connects drilling machine to setting structure using single guide post, in which displaceable drilling machine holder is pivoted on guide post |
| CN206185997U (en) * | 2016-08-26 | 2017-05-24 | 成都四通瑞坤家具有限公司 | Wood drilling machine that can accurately punch |
| CN207952674U (en) * | 2018-03-12 | 2018-10-12 | 成都德贝实业有限公司 | A kind of automatic drilling machine |
| CN108673197A (en) * | 2018-07-27 | 2018-10-19 | 吴子翻 | Five good metalworking drilling equipments of a kind of clamping effect |
| CN209021673U (en) * | 2018-11-12 | 2019-06-25 | 安吉森虎机械有限公司 | A kind of board drilling machine clamping and positioning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109108699A (en) | 2019-01-01 |
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