CN108971994B - Milling and drilling machine for mounting hole of gear ring on large cylinder - Google Patents
Milling and drilling machine for mounting hole of gear ring on large cylinder Download PDFInfo
- Publication number
- CN108971994B CN108971994B CN201811031970.2A CN201811031970A CN108971994B CN 108971994 B CN108971994 B CN 108971994B CN 201811031970 A CN201811031970 A CN 201811031970A CN 108971994 B CN108971994 B CN 108971994B
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- 238000005553 drilling Methods 0.000 title claims abstract description 14
- 238000003801 milling Methods 0.000 title claims abstract description 13
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 230000035939 shock Effects 0.000 claims description 4
- 238000010521 absorption reaction Methods 0.000 claims description 3
- 239000003190 viscoelastic substance Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P23/00—Machines or arrangements of machines for performing specified combinations of different metal-working operations not covered by a single other subclass
- B23P23/02—Machine tools for performing different machining operations
Abstract
A milling and drilling machine for mounting holes of gear rings on a large cylinder. Relates to the field of processing equipment for mounting holes of large-caliber gear rings. The milling and drilling machine for the mounting hole of the gear ring on the large cylinder body can efficiently process the mounting hole of the gear ring on the cylinder body in a large paper shredder or ball mill. The milling drilling machine comprises a workbench, a sliding seat driving assembly, a feeding seat, a cutter seat driving assembly, a cutter and a cutter driving assembly; the workbench is arranged between the two clamps, a sliding rail which is arranged parallel to the axial direction of the cylinder body is fixedly connected to the top surface of the workbench, the sliding rail is hollow, the top of the sliding rail is provided with a long-strip-shaped sliding hole which is arranged along the length direction of the sliding rail, and the bottom of the sliding seat is connected in the long-strip-shaped sliding hole in a sliding manner through a sliding block. The invention has the advantages of exquisite structure, good stability, convenient use, high processing precision and the like on the whole.
Description
Technical Field
The invention relates to the field of machining equipment for mounting holes of large-caliber gear rings.
Background
At present, when equipment such as a large-scale kneader, a ball mill and the like is produced, a flange ring is usually arranged in the middle of a cylinder body of the equipment, and a gear ring is arranged on the flange ring, so that the gear ring can be externally driven to rotate during subsequent use, and the cylinder body is finally driven to rotate around the axis of the equipment. In this way, a higher requirement is put forward on the installation precision of the gear ring, and the installation precision and the coaxiality of the installation hole on the flange ring are particularly put forward; meanwhile, the cylinder body of the large-sized paper shredder, the ball mill and other equipment is large in size (with the diameter larger than 2 m) and heavy in mass, so that the traditional drilling equipment is very inconvenient to use and difficult to control in precision.
Disclosure of Invention
Aiming at the problems, the invention provides the milling and drilling machine for the mounting hole of the upper gear ring of the large cylinder, which has the advantages of exquisite structure, good stability, convenient use and high machining precision and can efficiently machine the mounting hole of the upper gear ring of the cylinder in a large paper shredder or a ball mill.
The technical scheme of the invention is as follows: the milling drilling machine comprises a workbench, a sliding seat driving assembly, a feeding seat, a cutter seat driving assembly, a cutter and a cutter driving assembly;
the workbench is arranged between the two clamps, a sliding rail which is arranged in parallel with the axial direction of the cylinder body is fixedly connected to the top surface of the workbench, the sliding rail is hollow, the top of the sliding rail is provided with a long-strip-shaped sliding hole which is arranged along the length direction of the sliding rail, the bottom of the sliding seat is connected in the long-strip-shaped sliding hole in a sliding manner through a first sliding block, and the first sliding block is matched with the long-strip-shaped sliding hole; the sliding seat driving mechanism comprises a motor I, a screw rod I and a screw nut I, wherein the motor I is fixedly connected to one side of the sliding rail, the screw rod I is arranged in the sliding rail along the length direction of the sliding rail and is fixedly connected with an output shaft of the motor I, the screw nut I is fixedly connected to the bottom surface of the sliding block I and is sleeved with the screw rod I, and the screw nut I is connected with the screw rod I through threads;
the feeding seat is horizontally arranged and perpendicular to the sliding rail, one end of the feeding seat is fixedly connected to the top surface of the sliding seat, the other end of the feeding seat is positioned below the side of the cylinder, the tool apron is slidably connected to the top surface of the feeding seat, the tool apron driving assembly comprises a motor II and a screw rod II, the motor II is fixedly connected to the feeding seat, the screw rod II is arranged in the feeding seat along the length direction of the feeding seat and is fixedly connected with an output shaft of the motor II, and the bottom of the tool apron is sleeved with the screw rod II and is in threaded connection with the screw rod II;
the cutter driving assembly comprises a motor III, an accelerating gear set and a coupler, wherein the motor III and the coupler are fixedly connected to the top surface of the cutter holder and are both parallel to the axial direction of the barrel, the accelerating gear set is connected between the motor III and the coupler, the motor III and the coupler are in linkage, one end of the cutter is detachably connected in the coupler and is parallel to the axial direction of the barrel, and the coupler is arranged on one side far away from the motor III.
The first sliding blocks and the first screw nuts are respectively provided with two sliding blocks, the first sliding blocks are respectively and fixedly connected to two sides of the bottom surface of the sliding seat, the first two screw nuts are respectively and fixedly connected to the bottom surfaces of the first sliding blocks, and the first screw nuts are respectively sleeved with the first screw nuts.
The screw rod I is provided with a convex ring, the convex ring is positioned below the side of the flange ring, and the screw threads positioned on the two sides of the convex ring on the screw rod I are opposite in rotation direction;
the flange ring clamping assembly comprises a reverse screw, a reverse sliding block, a reverse sliding seat and a pair of clamping plate assemblies, wherein the reverse screw and the screw are respectively arranged on two sides of the convex ring;
the clamping plate assembly comprises a push rod, a spring, a sleeve, a clamping plate and a clamping plate sliding block, wherein the push rod is arranged along the length direction of the sliding rail, one end of the push rod is fixedly connected to the sliding seat or the reverse sliding seat, and the other end of the push rod penetrates into the sleeve; the spring is sleeved with the ejector rod in an empty mode; one end of the spring is propped against the sliding seat or the reverse sliding seat, and the other end of the spring is propped against the end face of the sleeve; the clamping plate is vertically arranged and fixedly connected to the end face of one side, far away from the spring, of the sleeve, and the clamping plate sliding block is fixedly connected to the bottom surface of the clamping plate and is slidably connected to the long strip-shaped sliding hole; the clamping plate is strip-shaped and parallel to the feeding seat; the two clamping plates are respectively arranged at two sides of the flange ring.
The clamping plate assembly further comprises a vibration absorbing assembly, the vibration absorbing assembly comprises a sliding rod and a vibration absorbing block, the vibration absorbing block is fixedly connected to the sliding seat or the reverse sliding seat, and the vibration absorbing block is made of a viscoelastic material; the slide bar parallel arrangement is in the top of ejector pin, the one end fixed connection of slide bar splint, and the other end wears to establish the shock absorption piece.
When the cutter is used, one end of the cutter can be selected according to requirements and is arranged in the coupler, then the motor I and the motor II can be started firstly to enable the cutter driving assembly and the cutter to be close to the position of the mounting hole, the coaxiality of the cutter and the mounting hole to be processed at the moment is ensured, and finally, when the motor III is kept on and the motor II is kept off, the motor I is started, and the cutter is enabled to process the mounting hole on the flange plate step by step through the whole sliding of the sliding seat along the axial direction of the cylinder body. When the next mounting hole is machined, the sliding seat is driven to reversely slide only by the motor I, so that the tool retracting is realized; then the barrel is rotated by the clamp to realize carry; finally, the sliding seat is driven to positively slide by the motor. The invention effectively realizes the efficient processing of the mounting hole of the gear ring on the cylinder body in the large-scale paper shredder or the ball mill through the milling and drilling machine, and has the advantages of exquisite structure, good stability, convenient use, high processing precision and the like on the whole.
Drawings
Figure 1 is a schematic view of the structure of the present case,
figure 2 is a partial schematic view of the milling and drilling machine of figure 1,
FIG. 3 is a left side view of FIG. 2;
figure 4 is a schematic diagram of an optimized embodiment of the present case,
figure 5 is a left side view of figure 4,
FIG. 6 is a schematic structural view of the cleat assembly;
in the figure, 1 is a cylinder, 11 is a flange ring, and 110 is a mounting hole;
21 is a workbench, 210 is a slide rail, 22 is a slide, 220 is a first slide, 23 is a slide driving assembly, 231 is a first motor, 232 is a first screw, 2320 is a convex ring, and 233 is a first screw;
24 is a feeding seat, 25 is a cutter seat, 26 is a cutter seat driving assembly, 27 is a cutter, 28 is a cutter driving assembly, 281 is a motor three, 282 is an accelerating gear set, 283 is a coupling;
the flange ring clamping assembly is 3, the inverted nut is 31, the inverted slider is 32, the inverted slider is 33, the clamp plate assembly is 34, the ejector rod is 341, the spring is 342, the sleeve is 343, the clamp plate is 345, the clamp plate slider is 346, the slide rod is 35, and the shock absorbing block is 36.
Detailed Description
As shown in figures 1-6, two ends of a cylinder body 1 are fixedly connected between two clamps, a flange ring 11 coaxial with the cylinder body 1 is fixedly connected to the outer wall of the cylinder body 1, a plurality of mounting holes 110 are formed in the flange ring 11, and the milling drilling machine comprises a workbench 21, a sliding seat 22, a sliding seat driving assembly 23, a feeding seat 24, a cutter seat 25, a cutter seat driving assembly 26, a cutter 27 and a cutter driving assembly 28;
the workbench 21 is arranged between the two clamps, a sliding rail 210 which is arranged parallel to the axial direction of the cylinder 1 is fixedly connected to the top surface of the workbench 21, the sliding rail 210 is hollow, the top of the sliding rail 210 is provided with a long strip-shaped sliding hole which is arranged along the length direction of the sliding rail, the bottom of the sliding seat 22 is slidably connected in the long strip-shaped sliding hole through a first sliding block 220, and the first sliding block 220 is matched with the long strip-shaped sliding hole; the slide driving mechanism 23 includes a motor one 231, a screw one 232 and a screw one 233, the motor one 231 is fixedly connected to one side of the slide rail 210, the screw one 232 is disposed in the slide rail 210 along the length direction of the slide rail 210 and is fixedly connected to an output shaft of the motor one 231, the screw one 233 is fixedly connected to the bottom surface of the slide block one 220 and is sleeved with the screw one 232, and the screw one 233 is in threaded connection with the screw one 232; therefore, after the motor is started to rotate forwards or reversely, the slider I and the sliding seat can be driven to do linear reciprocating motion along the length direction of the sliding rail, namely along the axial direction of the cylinder;
the feeding seat 24 is horizontally arranged and perpendicular to the sliding rail 210, one end of the feeding seat 24 is fixedly connected to the top surface of the sliding seat 22, the other end of the feeding seat is positioned below the side of the cylinder body 1, the tool apron 25 is slidably connected to the top surface of the feeding seat 24, the tool apron driving assembly 26 comprises a second motor and a second screw rod, the second motor is fixedly connected to the feeding seat 24, the second screw rod is arranged in the feeding seat 24 along the length direction of the feeding seat 24 and is fixedly connected with an output shaft of the second motor, and the bottom of the tool apron 25 is sleeved with the second screw rod and is in threaded connection with the second screw rod; therefore, after the motor II is started to perform forward rotation or reverse rotation, the tool apron can be driven to perform linear reciprocating motion along the length direction of the feeding seat, namely along the direction vertical to the axis of the cylinder;
the cutter driving assembly 28 comprises a motor three 281, an accelerating gear set 282 and a coupling 283, wherein the motor three 281 and the coupling 283 are fixedly connected to the top surface of the cutter holder 25 and are axially parallel to the barrel 1, the accelerating gear set 282 is connected between the motor three 281 and the coupling 283, so that the motor three 281 and the coupling 283 are linked, and one end of the cutter 27 is detachably connected in the coupling 283 and is axially parallel to the barrel 1 and is arranged on one side of the coupling 283 far away from the motor three 281. Therefore, after the motor III is started, the coupler and the cutter can be driven to rotate at high speed under the action of the accelerating gear set, and accordingly the mounting hole is efficiently machined under the cooperation of the sliding seat driving assembly.
When the cutter is used, one end of the cutter can be selected according to requirements and is arranged in the coupler, then the motor I and the motor II can be started firstly to enable the cutter driving assembly and the cutter to be close to the position of the mounting hole, the coaxiality of the cutter and the mounting hole to be processed at the moment is ensured, and finally, when the motor III is kept on and the motor II is kept off, the motor I is started, and the cutter is enabled to process the mounting hole on the flange plate step by step through the whole sliding of the sliding seat along the axial direction of the cylinder body. When the next mounting hole is machined, the sliding seat is driven to reversely slide only by the motor I, so that the tool retracting is realized; then the barrel is rotated by the clamp to realize carry; finally, the sliding seat is driven to positively slide by the motor. The invention effectively realizes the efficient processing of the mounting hole of the gear ring on the cylinder body in the large-scale paper shredder or the ball mill through the milling and drilling machine, and has the advantages of exquisite structure, good stability, convenient use, high processing precision and the like on the whole.
The first sliding blocks 220 and the first nuts 233 are respectively provided with two sliding blocks, the first sliding blocks are respectively and fixedly connected to two sides of the bottom surface of the sliding seat, the first two nuts are respectively and fixedly connected to the bottom surface of the first sliding blocks, and the first two nuts are respectively sleeved with the first screw rod. Thereby significantly improving the motion of the carriage and the stability of the drive to the carriage.
In addition, it has been found that, in the process of practical use, since the clamp for clamping the cylinder body is not in direct contact with the flange ring, when the cutter acts on to process the mounting hole, the deviation occurs in the processing of the mounting hole due to the vibration of the flange plate, and therefore, the following optimization mode is also proposed for the vibration control of the flange ring:
as shown in fig. 4-6, one side of the sliding seat is further provided with a flange ring clamping assembly 3, the first screw rod 232 is provided with a convex ring 2320, the convex ring 2320 is positioned below the side of the flange ring 11, and the threads positioned at two sides of the convex ring 2320 on the first screw rod are opposite in rotation direction;
the flange ring clamping assembly 3 comprises a reverse screw 31, a reverse sliding block 32, a reverse sliding seat 33 and a pair of clamping plate assemblies 34, wherein the reverse screw 31 and the screw one 233 are respectively arranged on two sides of a convex ring 2320, the reverse screw 31 is sleeved with the screw one 232 and is in threaded connection with the screw one 232, the reverse sliding block 32 is slidingly connected in a strip-shaped sliding hole and is fixedly connected on the top surface of the reverse screw 31, the reverse sliding seat 33 is fixedly connected on the top surface of the reverse sliding block 32, and the pair of clamping plate assemblies 34 are respectively connected on the sliding seat 22 and the reverse sliding seat 33;
the clamping plate assembly 34 comprises an ejector rod 341, a spring 342, a sleeve 343, a clamping plate 345 and a clamping plate sliding block 346, wherein the ejector rod 341 is arranged along the length direction of the sliding rail 210, one end of the ejector rod 341 is fixedly connected to the sliding seat 22 or the reverse sliding seat 33, and the other end of the ejector rod 341 penetrates into the sleeve 343; the spring 342 is sleeved on the ejector rod 341 in a hollow mode; one end of the spring 342 is propped against the sliding seat 22 or the reverse sliding seat 33, and the other end of the spring 342 is propped against the end face of the sleeve 343; the clamping plate 345 is vertically arranged and fixedly connected to the end surface of one side of the sleeve 343 far away from the spring 342, and the clamping plate sliding block 346 is fixedly connected to the bottom surface of the clamping plate 345 and is slidingly connected in the long strip-shaped sliding hole; the clamping plate 345 is strip-shaped and parallel to the feeding seat 24; the two clamping plates 345 are respectively arranged at two sides of the flange ring 11. Therefore, when the cutter moves to a position close to the mounting hole and is coaxial with the mounting hole, the motor I is continuously started, the clamping plates are in contact with the flange ring firstly, and then the flange ring is clamped under the action of the spring, so that the vibration on the flange plate can be effectively reduced when the mounting hole is processed subsequently, and the excellent vibration resistance and vibration elimination effects are achieved, the control effect on the vibration on the flange ring is good, and the processing precision of the mounting hole is highly ensured.
The clamping plate assembly further comprises a vibration absorbing assembly, the vibration absorbing assembly comprises a sliding rod 35 and a vibration absorbing block 36, the vibration absorbing block 36 is fixedly connected to the sliding seat 22 or the reverse sliding seat 33, and the vibration absorbing block 36 is made of a viscoelastic material; the sliding rods 35 are arranged above the top rods 341 in parallel, one ends of the sliding rods 35 are fixedly connected with the clamping plates 345, and the other ends of the sliding rods penetrate through the shock absorbing blocks 36. Thus, the good and stable guiding function is achieved through the sliding rod and the vibration reduction block; the vibration on the flange ring can be further eliminated due to the influence of the material of the vibration absorbing block, so that the excellent vibration resistance and vibration absorption effects are achieved, and the machining precision of the subsequent mounting holes is further ensured.
Claims (2)
1. The milling and drilling machine for the mounting hole of the gear ring on the large cylinder is characterized by comprising a workbench, a sliding seat driving assembly, a feeding seat, a cutter seat driving assembly, a cutter and a cutter driving assembly;
the workbench is arranged between the two clamps, a sliding rail which is arranged in parallel with the axial direction of the cylinder body is fixedly connected to the top surface of the workbench, the sliding rail is hollow, the top of the sliding rail is provided with a long-strip-shaped sliding hole which is arranged along the length direction of the sliding rail, the bottom of the sliding seat is connected in the long-strip-shaped sliding hole in a sliding manner through a first sliding block, and the first sliding block is matched with the long-strip-shaped sliding hole; the sliding seat driving assembly comprises a motor I, a screw rod I and a screw nut I, wherein the motor I is fixedly connected to one side of the sliding rail, the screw rod I is arranged in the sliding rail along the length direction of the sliding rail and is fixedly connected with an output shaft of the motor I, the screw nut I is fixedly connected to the bottom surface of the sliding block I and is sleeved with the screw rod I, and the screw nut I is connected with the screw rod I through threads;
the feeding seat is horizontally arranged and perpendicular to the sliding rail, one end of the feeding seat is fixedly connected to the top surface of the sliding seat, the other end of the feeding seat is positioned below the side of the cylinder, the tool apron is slidably connected to the top surface of the feeding seat, the tool apron driving assembly comprises a motor II and a screw rod II, the motor II is fixedly connected to the feeding seat, the screw rod II is arranged in the feeding seat along the length direction of the feeding seat and is fixedly connected with an output shaft of the motor II, and the bottom of the tool apron is sleeved with the screw rod II and is in threaded connection with the screw rod II;
the cutter driving assembly comprises a motor III, an accelerating gear set and a coupler, wherein the motor III and the coupler are fixedly connected to the top surface of the cutter holder and are both parallel to the axial direction of the cylinder, the accelerating gear set is connected between the motor III and the coupler so that the motor III and the coupler are linked, one end of the cutter is detachably connected in the coupler and is parallel to the axial direction of the cylinder and arranged on one side, far away from the motor III, of the coupler;
the screw rod I is provided with a convex ring, the convex ring is positioned below the side of the flange ring, and the screw threads positioned on the two sides of the convex ring on the screw rod I are opposite in rotation direction;
the flange ring clamping assembly comprises a reverse screw, a reverse sliding block, a reverse sliding seat and a pair of clamping plate assemblies, wherein the reverse screw and the screw are respectively arranged at two sides of the convex ring, the reverse screw is sleeved with the screw rod I and is connected with the screw rod I through threads, the reverse sliding block is slidably connected in the strip-shaped sliding hole and is fixedly connected to the top surface of the reverse screw, the reverse sliding seat is fixedly connected to the top surface of the reverse sliding block, and the pair of clamping plate assemblies are respectively connected to the sliding seat and the reverse sliding seat;
the clamping plate assembly comprises a push rod, a spring, a sleeve, a clamping plate and a clamping plate sliding block, wherein the push rod is arranged along the length direction of the sliding rail, one end of the push rod is fixedly connected to the sliding seat or the reverse sliding seat, and the other end of the push rod penetrates into the sleeve; the spring is sleeved with the ejector rod in an empty mode; one end of the spring is propped against the sliding seat or the reverse sliding seat, and the other end of the spring is propped against the end face of the sleeve; the clamping plate is vertically arranged and fixedly connected to the end face of one side, far away from the spring, of the sleeve, and the clamping plate sliding block is fixedly connected to the bottom surface of the clamping plate and is slidably connected to the long strip-shaped sliding hole; the clamping plate is strip-shaped and parallel to the feeding seat; the two clamping plates are respectively arranged at two sides of the flange ring;
the first sliding blocks and the first screw nuts are respectively provided with two sliding blocks, the first sliding blocks are respectively and fixedly connected to two sides of the bottom surface of the sliding seat, the first two screw nuts are respectively and fixedly connected to the bottom surfaces of the first sliding blocks, and the first screw nuts are respectively sleeved with the first screw nuts.
2. The milling and drilling machine for mounting holes of a gear ring on a large cylinder according to claim 1, wherein the clamping plate assembly further comprises a vibration absorbing assembly, the vibration absorbing assembly comprises a sliding rod and a vibration absorbing block, the vibration absorbing block is fixedly connected to a sliding seat or a reverse sliding seat, and the vibration absorbing block is made of a viscoelastic material; the slide bar parallel arrangement is in the top of ejector pin, the one end fixed connection of slide bar splint, and the other end wears to establish the shock absorption piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031970.2A CN108971994B (en) | 2018-09-05 | 2018-09-05 | Milling and drilling machine for mounting hole of gear ring on large cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811031970.2A CN108971994B (en) | 2018-09-05 | 2018-09-05 | Milling and drilling machine for mounting hole of gear ring on large cylinder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108971994A CN108971994A (en) | 2018-12-11 |
| CN108971994B true CN108971994B (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811031970.2A Active CN108971994B (en) | 2018-09-05 | 2018-09-05 | Milling and drilling machine for mounting hole of gear ring on large cylinder |
Country Status (1)
| Country | Link |
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| CN (1) | CN108971994B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110961876A (en) * | 2020-01-03 | 2020-04-07 | 重庆齿轮箱有限责任公司 | Machining method of two half type gear rings |
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| CN207548216U (en) * | 2017-10-20 | 2018-06-29 | 天津市嘉祥泰瑞阀门有限公司 | A kind of valve production fixing device |
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| CN208895561U (en) * | 2018-09-05 | 2019-05-24 | 江苏竣业过程机械设备有限公司 | The milling drilling machine of the mounting hole of large-size cylinder body upper ring gear |
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- 2018-09-05 CN CN201811031970.2A patent/CN108971994B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203863061U (en) * | 2014-05-29 | 2014-10-08 | 鞍钢集团矿业公司 | Drilling machine tool for drilling ball mill tube flange dowel hole |
| CN104816160A (en) * | 2015-03-30 | 2015-08-05 | 秦士来 | Turning and drilling compound machine tool |
| CN204565699U (en) * | 2015-04-14 | 2015-08-19 | 郭谆钦 | A kind of lathe multi-direction type cylindrical part clamp tool |
| CN106393264A (en) * | 2016-11-19 | 2017-02-15 | 麻城小龟龟机械科技有限公司 | Novel drilling machine for carbon fiber composite plate |
| CN206305880U (en) * | 2016-11-22 | 2017-07-07 | 西安外事学院 | A kind of automobile board drilling equipment |
| CN106392133A (en) * | 2016-12-02 | 2017-02-15 | 重庆都成荣锋机械制造有限公司 | Combined punching device for crankshaft flange holes |
| CN207548216U (en) * | 2017-10-20 | 2018-06-29 | 天津市嘉祥泰瑞阀门有限公司 | A kind of valve production fixing device |
| CN108145208A (en) * | 2017-12-21 | 2018-06-12 | 广东德新科技孵化器有限公司 | A kind of Furniture manufacturing perforating device |
| CN108161053A (en) * | 2018-02-22 | 2018-06-15 | 德清宏晨铸造有限公司 | A kind of steel plate drilling equipment |
| CN108422014A (en) * | 2018-05-28 | 2018-08-21 | 宿迁嵘锦信息科技有限公司 | A kind of hardware manufacture drilling machine |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108971994A (en) | 2018-12-11 |
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