CN107398576B - Vertical multi-spindle drilling machine with adjustable distance - Google Patents
Vertical multi-spindle drilling machine with adjustable distance Download PDFInfo
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- CN107398576B CN107398576B CN201710848053.2A CN201710848053A CN107398576B CN 107398576 B CN107398576 B CN 107398576B CN 201710848053 A CN201710848053 A CN 201710848053A CN 107398576 B CN107398576 B CN 107398576B
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- 238000005553 drilling Methods 0.000 title claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 19
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 3
- 238000005299 abrasion Methods 0.000 claims description 2
- 239000000428 dust Substances 0.000 claims description 2
- 230000001360 synchronised effect Effects 0.000 claims description 2
- 230000008901 benefit Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000003754 machining Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B39/00—General-purpose boring or drilling machines or devices; Sets of boring and/or drilling machines
- B23B39/16—Drilling machines with a plurality of working-spindles; Drilling automatons
- B23B39/161—Drilling machines with a plurality of working-spindles; Drilling automatons with parallel work spindles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a vertical multi-spindle drilling machine with adjustable distance, which comprises: the device comprises a main motor, an elastic coupling, a belt transmission assembly, a main shaft, a gear distance adjusting device, a linear module, a frame, a supporting rib plate and a workpiece clamping and adjusting device; the main motor is connected with the belt transmission assembly through the elastic coupling; the belt transmission assembly is connected with the gear distance adjusting device through the main shaft; the gear distance adjusting device is fixed on the linear module; the adjustable-spacing vertical multi-spindle drilling machine provided by the invention has the advantages that the drill spindle spacing is flexibly adjusted according to the required hole spacing, the structure is simple, the operation is convenient and flexible, the application range is wide, and the working efficiency and the service life of the drilling machine are improved.
Description
Technical Field
The invention relates to machining equipment, in particular to a vertical multi-spindle drilling machine with adjustable drill bit spacing for a porous workpiece.
Background
With the development of scientific technology, design theory, method and means are continuously innovated, the structure and function of the product are optimized, and the design of the product also starts to enter a semi-automatic and full-automatic design stage. Most mechanical products are already combined with electronic circuits closely, and organic organization and synthesis are carried out on the mechanical products and the electronic circuits by using related technologies of machinery and electronics, so that the whole optimization is realized. The trend in the development of mechanical products is small size, light weight, convenient operation and high reliability, so that electromechanical integration is the most important means for realizing the same. Some processing equipment with low production efficiency, high labor intensity and poor working environment gradually becomes a barrier for a plurality of enterprises to obtain greater benefit under the situation of strong competition in the market. Therefore, it is necessary to design a special device with high production efficiency, good processing precision, long service life and low operation strength to replace the original device.
The single-head vertical drilling machine is the most general equipment in the mechanical industry and is mainly used for machining holes in workpieces, and because the single-head drilling machine has only one main shaft, the single-head drilling machine can only machine one hole at a time, if a porous workpiece is to be machined, the single-head vertical drilling machine is realized by moving a clamp for multiple tool setting, so that the labor intensity of workers is high, and the position accuracy of the hole is low. As an indispensable step in modern manufacturing industry, how to improve drilling efficiency has become the subject of current research, and although the non-adjustable multi-spindle head drilling machine has been applied in an automatic line, the drilling technology is limited to mass production of single workpiece and cannot be applied to processing production of multiple workpieces.
Disclosure of Invention
The invention aims to overcome the defects of the existing multi-spindle drilling machine, and provides the vertical multi-spindle drilling machine which is convenient to use, wide in application range, high in working efficiency, good in reliability and capable of flexibly adjusting the distance between drilling shafts according to the hole distance.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
a pitch-adjustable vertical multi-spindle drilling machine, comprising: the device comprises a main motor, an elastic coupling, a belt transmission assembly, a main shaft, a gear distance adjusting device, a linear module, a frame, a supporting rib plate and a workpiece clamping and adjusting device; the main motor is connected with the belt transmission assembly through the elastic coupling; the belt transmission assembly is connected with the gear distance adjusting device through the main shaft; the gear distance adjusting device is fixed on the linear module; the linear module is fixed on the frame, the frame is fixed on the workpiece clamping and adjusting device, and the support rib plates support and fix the frame.
Preferably, the belt transmission assembly comprises a driving belt pulley, a driving belt pulley shaft, a driven belt pulley shaft, a belt and a belt pulley box, wherein the driving belt pulley is fixed on the driving belt pulley shaft, the driving belt pulley shaft is connected with the main motor through an elastic coupling, the driven belt pulley is installed on the driven belt pulley shaft, the driven belt pulley shaft is connected with the main shaft through a spline, the driving belt pulley shaft and the driven belt pulley shaft are mutually parallel, the belt is wound on the driving belt pulley and the driven belt pulley, the belt transmission is integrally installed inside the belt pulley box, a certain protection effect is achieved on belt transmission with power transmission, and bad effects that abrasion is aggravated or operation failure is caused when dust sundries outside and scraps produced when a drilling machine runs fall into the belt pulley are prevented.
Preferably, the main shaft is a rectangular spline shaft, is easy to process, ensures neutrality, has guidance quality, ensures synchronous rotation and longitudinal sliding of the rectangular spline and the main shaft, and transmits mechanical torque.
Preferably, the gear distance adjusting device comprises a gear box, a gear box cover and a drill shaft adjusting assembly, wherein the drill shaft adjusting assembly is installed in the gear box, 1 long arc-shaped hole track and 1 short arc-shaped hole track are distributed on the gear box and the gear box cover around the main shaft, and the centers of the long arc-shaped hole track and the short arc-shaped hole track are in a straight line with the center of the main shaft and are used for fixing the drill shaft adjusting assembly.
Preferably, the drill shaft adjusting assembly comprises a driving gear, a distance adjusting nut, a distance adjusting sliding block and a drill shaft, wherein the driving gear is fixed on the main shaft, and the drill shaft is a gear shaft and is in meshed connection with the driving gear; the distance adjusting nut and the distance adjusting slide block are arranged on the outer sides of the gear box and the gear box cover, the drill shaft is slid and fixed between the long arc-shaped hole track and the short arc-shaped hole track by adjusting the tightness degree between the distance adjusting nut and the distance adjusting slide block, and the position of the drill shaft in the gear box is restrained by gear meshing.
Preferably, the linear module consists of a servo motor, a screw rod, a linear guide rail and a sliding platform, wherein the screw rod is fixed on the linear guide rail, the sliding platform is fixed on the screw rod and the linear guide rail, and the servo motor drives the screw rod and drives the sliding platform to move so as to control the longitudinal movement of the gear distance adjusting device; the lead screw has a self-locking function, and the gear distance adjusting device is ensured to be in a proper position when the servo motor stops operating.
Preferably, the workpiece clamping and adjusting device is formed by connecting a workpiece clamping screw rod, a clamping hand wheel, a moving block, a fixed block, a workpiece positioning screw rod, a positioning hand wheel and a base, wherein the workpiece clamping screw rod is connected with the clamping hand wheel, is arranged at the upper part inside the base, rotates the clamping hand wheel to enable the moving block to transversely move, and completes clamping of a drilled workpiece by changing the distance between the workpiece clamping screw rod and the fixed block; the workpiece positioning screw rod is connected with the positioning hand wheel and is arranged at the lower part of the inside of the base, and is used for adjusting the transverse position of a workpiece to be drilled, so that the flexibility of drilling work is improved; the base is connected with the frame and is supported and fixed through the supporting rib plates.
The working process of the vertical multi-spindle drilling machine with adjustable spacing is approximately as follows: in the working process, the main motor drives the main shaft to rotate through the belt transmission assembly and drives the drill shaft adjusting assembly to move in the long arc hole track and the short arc hole track, and the distance between the drill shafts is adjusted according to the hole distance between the needed holes; the servo motor drives the screw rod to drive the spindle and the gear distance adjusting device to longitudinally move so as to drill holes, and the flexible adjustability of the drill shaft distance ensures that the drilling machine is wide in application range and strong in operability to a great extent.
The beneficial effects of the invention are as follows:
1. the lifting of the drill shaft is controlled by using a linear module driven by a servo motor, the linear module is placed at a vertical position, a sliding platform of the linear module has a self-locking function, displacement cannot occur under the condition that the motor is not electrified, and the linear module is started and stopped along with the starting and stopping of the motor, so that the safety of the drill shaft and a gear box is ensured to a great extent.
2. The distance between drilling shafts can be timely adjusted according to the required hole distance, and the application range is wide: the gear box end cover and the box bottom are correspondingly provided with a long arc hole track and a short arc hole track, and the plurality of drill shafts are arranged through the arc hole tracks and can slide along the tracks to adjust the distance between the drill shafts, so that the center distance between the required drill bits is changed to realize the required machining hole distance, the gear box end cover and the box bottom can be adjusted according to workpiece requirements, and the gear box end cover is convenient to use and wide in application range.
3. The invention has the remarkable characteristics of low cost, simple structure, strong adaptability, long service life, convenient and flexible operation, wide application range and the like.
Description of the drawings:
fig. 1: the invention relates to a front view of a vertical multi-spindle drilling machine with adjustable spacing
Fig. 2: the invention relates to a cross section of a gear distance adjusting device of a vertical multi-spindle drilling machine with adjustable distance
Fig. 3: the invention relates to a top view of a gear box cover structure of a vertical multi-spindle drilling machine with adjustable spacing
In the figure: the device comprises a drilling shaft, a 2-gear box, a 3-gear box cover, a 4-main shaft, a 5-driven belt pulley, a 6-driven belt pulley shaft, a 7-belt, a 8-belt box, a 9-driving belt pulley shaft, a 10-driving belt pulley, a 11-servo motor, a 12-elastic coupler, a 13-lead screw, a 14-main motor, a 15-linear guide rail, a 16-sliding platform, a 17-rack, a 18-supporting rib plate, a 19-base, a 20-fixed block, a 21-workpiece clamping lead screw, a 22-movable block, a 23-clamping hand wheel, a 24-workpiece positioning lead screw, a 25-positioning hand wheel, a 26-driving gear, a 27-distance adjusting slider, a 28-distance adjusting nut, a 29-long arc-shaped hole track and a 30-short arc-shaped hole track.
The specific embodiment is as follows:
the invention is further described below with reference to the accompanying drawings.
The distance-adjustable vertical multi-spindle drilling machine comprises a drilling spindle 1, a gear box 2, a gear box cover 3, a main spindle 4, a driven pulley 5, a driven pulley shaft 6, a belt 7, a pulley box 8, a driving pulley shaft 9, a driving pulley 10, a servo motor 11, an elastic coupling 12, a screw rod 13, a main motor 14, a linear guide 15, a sliding platform 16, a frame 17, a support rib plate 18, a base 19, a fixed block 20, a workpiece clamping screw rod 21, a movable block 22, a clamping hand wheel 23, a workpiece positioning screw rod 24, a positioning hand wheel 25, a driving gear 26, a distance-adjusting slider 27, a distance-adjusting nut 28, a long arc-shaped hole track 29 and a short arc-shaped hole track 30.
The output shaft of the main motor 14 is connected with the driving pulley shaft 9 through the elastic coupling 12, the driven pulley shaft 6 is connected with the main shaft 4 through a spline, a long arc-shaped hole track 29 and a short arc-shaped hole track 30 are distributed on the gear box cover 3 around the main shaft 4, the centers of the long arc-shaped hole track 29 and the short arc-shaped hole track 30 are in a straight line with the center of the main shaft 4, the drill shaft 1 is arranged in the long arc-shaped hole track 29 and the short arc-shaped hole track 30 through a distance adjusting nut 28 and a distance adjusting sliding block 27, the linear modules 11, 13, 15 and 16 are arranged in the frame 17, the gear distance adjusting devices 1, 2, 3, 26, 27 and 28 are fixed on the sliding platform 16, and the workpiece clamping adjusting devices 19, 20, 21, 22, 23, 24 and 25 are connected with the frame 17 and supported and fixed through the supporting rib plates 18.
In the working process, the main motor 14 drives the belt transmission assemblies 5, 6, 7, 8 and 9 to work through driving the driving belt pulley 10, so that the main shaft 4 is driven to rotate, the tightness degree between the distance adjusting nut 28 and the distance adjusting slide block 27 is adjusted, the driving gear 26 is meshed with the drill shafts 1 through gears, the drill shafts 1 move in the long arc hole track 29 and the short arc hole track 30 according to the required hole distance, the distance between the drill shafts 1 is determined, and the distance adjusting nut 28 is locked after the adjustment is completed; the servo motor 11 drives the screw rod 13, the screw rod 13 rotates, the sliding platform 16 moves downwards, and the longitudinal movement of the main shaft 4 and the gear distance adjusting devices 1, 2, 3, 26, 27 and 28 is driven to drill holes.
The scope of the present invention is not limited thereto, and any changes and substitutions that would be easily recognized by those skilled in the art within the scope of the present invention are intended to be included in the scope of the present invention. Therefore, the protection scope of the present invention should be defined by the claims.
Claims (5)
1. A pitch-adjustable vertical multi-spindle drilling machine, comprising: the device comprises a main motor, an elastic coupling, a belt transmission assembly, a main shaft, a gear distance adjusting device, a linear module, a frame, a supporting rib plate and a workpiece clamping and adjusting device; the main motor is connected with the belt transmission assembly through the elastic coupling; the belt transmission assembly is connected with the gear distance adjusting device through the main shaft; the gear distance adjusting device is fixed on the linear module; the linear module is fixed on the frame, the frame is fixed on the workpiece clamping and adjusting device, and the support rib plate supports and fixes the frame;
the belt transmission assembly comprises a driving belt pulley, a driving belt pulley shaft, a driven belt pulley shaft, a belt and a belt pulley box, wherein the driving belt pulley is fixed on the driving belt pulley shaft, the driving belt pulley shaft is connected with a main motor through an elastic coupling, the driven belt pulley is installed on the driven belt pulley shaft, the driven belt pulley shaft is connected with a main shaft through a spline, the driving belt pulley shaft is parallel to the driven belt pulley shaft, the belt is wound on the driving belt pulley and the driven belt pulley, the belt transmission is integrally installed inside the belt pulley box, the belt transmission with power transmission has a protection effect, and bad results of abrasion aggravation or operation failure caused by falling of dust and sundries outside and scraps produced during operation of a drilling machine into the belt pulley are prevented;
the main shaft is a rectangular spline shaft, is easy to process, ensures neutrality, has guidance quality, and ensures synchronous rotation and longitudinal sliding of the rectangular spline and the main shaft and transmits mechanical torque.
2. The adjustable pitch vertical multi-spindle drilling machine of claim 1, wherein: the gear distance adjusting device comprises a gear box, a gear box cover and a drill shaft adjusting assembly, wherein the drill shaft adjusting assembly is installed in the gear box, 1 long arc-shaped hole track and 1 short arc-shaped hole track are distributed on the gear box and the gear box cover around the main shaft, and the centers of the long arc-shaped hole track and the short arc-shaped hole track are in a straight line with the center of the main shaft and are used for fixing the drill shaft adjusting assembly.
3. A pitch-adjustable vertical multi-spindle drilling machine as recited in claim 2, wherein: the drill shaft adjusting assembly comprises a driving gear, a distance adjusting nut, a distance adjusting sliding block and a drill shaft, wherein the driving gear is fixed on the main shaft, and the drill shaft is a gear shaft and is in meshed connection with the driving gear; the distance adjusting nut and the distance adjusting slide block are arranged on the outer sides of the gear box and the gear box cover, the drill shaft is slid and fixed between the long arc-shaped hole track and the short arc-shaped hole track by adjusting the tightness degree between the distance adjusting nut and the distance adjusting slide block, and the position of the drill shaft in the gear box is restrained by gear meshing.
4. A stand-alone multi-spindle drilling machine of adjustable pitch as recited in claim 3, wherein: the linear module consists of a servo motor, a screw rod, a linear guide rail and a sliding platform, wherein the screw rod is fixed on the linear guide rail, the sliding platform is fixed on the screw rod and the linear guide rail, and the servo motor drives the screw rod and drives the sliding platform to move and is used for controlling the longitudinal movement of the gear distance adjusting device; the lead screw has a self-locking function, and the gear distance adjusting device is ensured to be in a proper position when the servo motor stops operating.
5. The adjustable pitch vertical multi-spindle drilling machine of claim 1, wherein: the workpiece clamping and adjusting device is formed by connecting a workpiece clamping screw rod, a clamping hand wheel, a moving block, a fixed block, a workpiece positioning screw rod, a positioning hand wheel and a base, wherein the workpiece clamping screw rod is connected with the clamping hand wheel and is arranged at the upper part of the inside of the base, the clamping hand wheel is rotated to enable the moving block to transversely move, and the clamping of a drilled workpiece is completed by changing the distance between the moving block and the fixed block; the workpiece positioning screw rod is connected with the positioning hand wheel and is arranged at the lower part of the inside of the base, and is used for adjusting the transverse position of a workpiece to be drilled, so that the flexibility of drilling work is improved; the base is connected with the frame and is supported and fixed through the supporting rib plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848053.2A CN107398576B (en) | 2017-09-19 | 2017-09-19 | Vertical multi-spindle drilling machine with adjustable distance |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710848053.2A CN107398576B (en) | 2017-09-19 | 2017-09-19 | Vertical multi-spindle drilling machine with adjustable distance |
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| Publication Number | Publication Date |
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| CN107398576A CN107398576A (en) | 2017-11-28 |
| CN107398576B true CN107398576B (en) | 2024-03-26 |
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| CN201710848053.2A Active CN107398576B (en) | 2017-09-19 | 2017-09-19 | Vertical multi-spindle drilling machine with adjustable distance |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108526954B (en) * | 2018-07-16 | 2020-06-02 | 嘉兴市鑫洲机械配件股份有限公司 | Workpiece clamping device for drilling machine |
| CN109128871A (en) * | 2018-11-10 | 2019-01-04 | 浙江汉达机械有限公司 | A kind of desk-top multi spindle drilling machine auxiliary clamp |
| CN111715909B (en) * | 2020-07-08 | 2022-01-25 | 深圳市三雅科技有限公司 | Precise numerical control multi-spindle drilling machine |
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2017
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