CN210208734U

CN210208734U - Multi-head drilling machine

Info

Publication number: CN210208734U
Application number: CN201920566833.2U
Authority: CN
Inventors: Sanbao Zheng; 郑三豹
Original assignee: Nanjing Xiongbao Precision Machinery Co Ltd
Current assignee: Nanjing Xiongbao Precision Machinery Co Ltd
Priority date: 2019-04-24
Filing date: 2019-04-24
Publication date: 2020-03-31
Anticipated expiration: 2029-04-24

Abstract

The utility model discloses a multi-head drilling machine, which comprises a frame, guide rail mobile device and drilling equipment all set up in the frame, guide rail mobile device is including setting up in the frame and constitute the vice guide rail backup pad of horizontal migration with the frame, remove driving motor and guide rail fixing device, it is used for driving guide rail backup pad horizontal migration in the frame to remove driving motor to install in the frame, guide rail fixing device includes first pin and second pin, first pin is installed in the guide rail backup pad, and the length direction of first pin is the same with the moving direction of guide rail backup pad, second pin and first pin parallel arrangement, and be close to or keep away from first pin by the drive of horizontal driving device, be used for pressing from both sides tightly or unclamp the guide rail of placing between first pin and second pin. The utility model has the advantages that: utilize the utility model discloses drill on the guide rail, not only the efficient of drilling, the precision of drilling is high moreover.

Description

Multi-head drilling machine

Technical Field

The utility model relates to a bull drilling machine.

Background

The guide rail is one of common workpieces in the field of machine frame industry such as machine tools, the guide rail is detachably mounted on other workpieces such as machine beds and the like through mounting holes through which bolts penetrate, therefore, drilling the mounting holes is one of the most important processes for manufacturing the guide rail, the existing method for drilling the mounting holes on the guide rail firstly leads the holes on one machine, namely, determines the positions of the mounting holes, generally the depth of the leading holes is 3-5 mm, then the guide rail is changed to another machine, through holes are drilled at the positions of the leading holes, then the guide rail with the drilled through holes is changed to another machine to drill counter bores, or a drill bit is changed to drill counter bores after the through holes are drilled, the prior art needs at least two machines to drill the mounting holes on the guide rail, the process is complex, the number of the mounting holes on one guide rail is at least two, the guide rail needs to be moved after one hole is drilled, another hole is drilled, and the accuracy of drilling on the guide rail is also reduced due to frequent movement, the quality of the whole guide rail is difficult to improve.

Disclosure of Invention

The utility model aims at providing a bull drilling machine solves among the prior art technical defect that drilling process is complicated, drilling efficiency and precision are low on the guide rail.

In order to solve the above problems, the utility model adopts the following technical proposal: a multi-head drilling machine comprises a frame, a guide rail moving device and a drilling device, wherein the guide rail moving device and the drilling device are both arranged on the frame, the guide rail moving device comprises a guide rail supporting plate, a moving driving motor and a guide rail fixing device which are arranged on the frame and form a horizontal moving pair with the frame, the moving driving motor is arranged on the frame and is used for driving the guide rail supporting plate to move horizontally on the frame, the guide rail fixing device comprises a first stop lever and a second stop lever, the first stop lever is arranged on the guide rail supporting plate, the length direction of the first stop lever is the same as the moving direction of the guide rail supporting plate, the second stop lever is arranged in parallel with the first stop lever, the horizontal driving device drives the guide rail to be close to or far away from the first stop lever and is used for clamping or loosening the guide rail placed between the first stop lever and the second stop lever; the drilling device comprises more than two power assemblies, wherein each power assembly comprises a support frame, a rotary driving motor, a lifting driving motor, a chuck and a drill bit; the bottom of the support frame is installed on the rack, the rotary driving motor is installed on the support frame and can slide up and down on the support frame, an output shaft of the rotary driving motor is arranged downwards, the lifting driving motor is installed on the support frame and used for driving the rotary driving motor to slide up and down on the support frame, the chuck is installed on the output shaft of the rotary driving motor and rotates along with the rotation of the output shaft of the rotary driving motor, the drill bit is installed on the chuck and used for drilling holes on a guide rail placed on the rack, and the central lines of the drill bits of the power assemblies are located on the same vertical plane. The utility model has the advantages that the number of the power assemblies is multiple, the power assemblies can drill holes on the guide rail at the same time, the efficiency of the guide rail drilling is improved, the utility model discloses because the drill bit central line is on the same vertical plane, the central line of the hole drilled on the guide rail is also on the same vertical plane, therefore, the utility model can directly drill holes on the guide rail without the need of hole guiding treatment, the process of the guide rail drilling is simplified, because the distance of the power assemblies in the utility model is fixed, the hole distance of the holes drilled by the power assemblies is the same, the utility model discloses because the transmission on a plurality of machines is avoided, the drilling precision is higher, on the other hand, the utility model is used for fixing the guide rail when drilling on the guide rail, after drilling on the guide rail, moving the guide rail can continue drilling on the guide rail, and the moving distance of the guide rail is adjustable, after the first stop lever and the second stop lever clamp the guide rail, the guide rail only need move on length direction can, the location of guide rail only is relevant with the removal of guide rail backup pad, compares in prior art, adopts the utility model discloses drill on the guide rail, the efficiency of obvious improvement guide rail drilling.

As a further improvement of the utility model, the drilling equipment still include the slide, the slide install on the support frame constitute the vertical migration pair with the support frame, rotary drive motor install on the slide, lift driving motor drive slide from top to bottom. The utility model discloses set up the slide, make things convenient for rotation driving motor's installation.

As a further improvement, the drilling equipment still include the slip subassembly, the slip subassembly include slide rail and sliding block group, the quantity of slide rail be two, the equal vertical setting of two slide rails to detachable installs on the support frame, the quantity of sliding block group be two, sliding block group all install on the slide, every sliding block group is provided with the first slider more than two including from top to bottom, the first slider of two sliding block groups cooperatees with two slide rails respectively to slide on the slide rail. The utility model discloses set up the slip subassembly, the sliding connection's of the slide of being convenient for and support frame realization.

As a further improvement of the utility model, drilling equipment still include vertical lead screw, vertical lead screw and lift driving motor's output shaft, vertical lead screw and slide threaded connection, the lead screw is rotated by the drive of lift driving motor and is used for driving the slide and slides from top to bottom. The utility model discloses a vertical lead screw and slide threaded connection turn into the up-and-down motion of slide with rotary driving motor's rotation, realize the upper and lower slip of slide.

As a further improvement, the slide on be provided with first fixed block, first fixed block be located between two sliding block set, it has the screw thread through-hole that runs through its top and bottom to open on the first fixed block, vertical lead screw pass the screw thread through-hole and with screw thread through-hole threaded connection. The utility model discloses set up first fixed block, the threaded connection of the slide and lead screw of being convenient for.

As a further improvement, the horizontal driving device is a plurality of cylinders installed in the guide rail supporting plate, the second stop lever is connected with the piston rod of the cylinder, and the piston rods of the cylinders synchronously extend and retract to drive the second stop lever to move relative to the first stop lever. The utility model discloses a flexible drive second pin of piston rod of cylinder removes, and the rigidity of first pin, the direction removal of second pin towards first pin reduces the distance between first pin and the second pin and can press from both sides tight guide rail, and first pin is kept away from to cylinder drive second pin, can loosen the guide rail, makes things convenient for the fixed of guide rail, prevents that the guide rail position from taking place to change when drilling and sending the guide rail drilling precision to reduce.

As a further improvement, the output shaft of the movable driving motor on which the horizontal lead screw is installed, the horizontal lead screw and the guide rail supporting plate are connected by screw thread, and the movable driving motor drives the horizontal lead screw to rotate so as to drive the guide rail supporting plate to move linearly. The utility model discloses a horizontal lead screw and guide rail backup pad threaded connection, horizontal lead screw rotates and can drive lead screw horizontal migration.

As a further improvement, the bottom of guide rail supporting plate be provided with the second fixed block, the second fixed block on open and to have the screw through-hole that runs through its two then, horizontal lead screw pass the screw through-hole and with screw through-hole screw-thread fit. The utility model discloses set up the fixed block, make things convenient for the guide rail backup pad to be connected with horizontal lead screw.

As a further improvement, the frame on be provided with two line rails, two line rail parallel arrangement are provided with the second slider in the bottom of guide rail backup pad, the second slider cooperate with the line rail. The utility model discloses a line rail cooperatees with the slider, leads and prop up the guide rail backup pad to the removal of guide rail backup pad, makes the removal of guide rail backup pad more steady.

To sum up, the beneficial effects of the utility model are that: utilize the utility model discloses drill on the guide rail, not only the efficient of drilling, the precision of drilling is high moreover.

Drawings

Fig. 1 is a front view of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a front view of a powertrain embodying the present invention.

Fig. 5 is a right side view of the center power assembly according to the present invention.

Wherein: 1. a frame; 2. a guide rail moving device; 3. a drilling device; 21. a guide rail support plate; 22. a movement driving motor; 23. a first bar; 24. a second bar; 25. a cylinder; 26. a horizontal screw rod; 27. a second fixed block; 28. a bearing seat; 31. a power assembly; 32. a support frame; 33. a rotary drive motor; 34. a lifting drive motor; 35. a chuck; 36. a motor base; 37. a slide plate; 38. a slide rail; 39. a first slider; 310. and (5) a vertical screw rod.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

The multi-head drilling machine as shown in fig. 1-5 comprises a frame 1, a guide rail moving device 2 and a drilling device 3, wherein the guide rail moving device 2 and the drilling device 3 are both arranged on the frame 1, the guide rail moving device 2 is used for fixing the guide rail during drilling on the guide rail and moving the guide rail in the length direction of the guide rail as required, and the drilling device 3 is used for drilling a mounting hole (counter bore) on the guide rail.

The guide rail moving device 2 comprises a guide rail supporting plate 21, a moving driving motor 22 and a guide rail fixing device which are arranged on the frame 1 and form a horizontal moving pair with the frame 1, the moving driving motor 22 is arranged on the frame and is used for driving the guide rail supporting plate 21 to horizontally move on the frame 1, the guide rail fixing device comprises a first stop lever 23 and a second stop lever 24, the first stop lever 23 is arranged on the guide rail supporting plate 21, the length direction of the first stop lever 23 is the same as the moving direction of the guide rail supporting plate 21, the second stop lever 24 is arranged in parallel with the first stop lever 23 and is driven by the horizontal driving device to be close to or far away from the first stop lever 23 and is used for clamping or loosening a guide rail to be drilled and placed between the first stop lever 23 and the second stop lever 24, the opposite surfaces of the first stop lever 23 and the second stop lever 24 are vertical planes, a both sides face is laminated mutually for when pressing from both sides tight guide rail with the guide rail, the utility model provides a first pin 23 adopts bolt detachable to install on guide rail support plate 21, and first pin 23 does not have relative motion with guide rail support plate 21 when using.

The utility model discloses preferred horizontal drive be a plurality of cylinders 25 of installing on guide rail support plate 21, second pin 24 be connected with cylinder 25's piston rod, the relative first pin 23 of piston rod synchronous flexible drive second pin 24 of a plurality of cylinders 25 removes, the utility model discloses in cylinder 25 adopt bolt detachable to install on guide rail support plate 21, when guide rail support plate 21 slides in frame 1, cylinder 25 together removes thereupon, the utility model discloses in because cylinder 25's quantity is a plurality of, therefore second pin 24 atress is a lot of, its atress is comparatively even, treat that the atress of the guide rail of drilling is also even, further improvement guide rail drilling's accuracy.

The utility model discloses well concrete structure that removes driving motor 22 drive guide rail backup pad 21 is: a horizontal screw rod 26 is mounted on an output shaft of the mobile driving motor 22 by a shaft purchasing device (not shown in the figure), the horizontal screw rod 26 is in threaded connection with the guide rail support plate 21, and the mobile driving motor 22 drives the horizontal screw rod 26 to rotate so as to drive the guide rail support plate 21 to do linear motion. The utility model discloses it is preferred the bottom of guide rail support plate 21 be provided with second fixed block 27, second fixed block 27 and guide rail support plate 21 integrated into one piece make, second fixed block 27 on open and to have the screw thread through-hole (not shown in the figure) that runs through its two then, horizontal lead screw 26 pass the screw thread through-hole and with screw thread through-hole screw-thread fit. The utility model discloses be provided with bearing frame 28 in frame 1, bearing frame 28 in be provided with the bearing, horizontal lead screw 26 keeps away to remember the inner circle interference fit who removes driving motor 22's one end and bearing for prevent horizontal lead screw 26's tip swing.

The utility model discloses frame 1 on adopt bolt detachable to install two line rails (not shown in the figure), two line rail parallel arrangement adopt bolt detachable to install second slider (not shown in the figure) in the bottom of guide rail support plate 21, the second slider cooperate with the line rail, removal driving motor 22 drive horizontal lead screw 26 rotate, horizontal lead screw 26 will rotate the horizontal migration who changes into guide rail support plate 21.

The drilling device 3 of the present invention comprises more than two power assemblies 31, for example, the number of the power assemblies 31 in the drawings of the present invention is eighteen, and the power assemblies 31 comprise a support frame 32, a rotary driving motor 33, a lifting driving motor 34, a chuck 35 and a drill bit; the bottom of the support frame 32 is detachably mounted on the machine frame 1 by bolts, the rotary driving motor 33 is mounted on the support frame 32, the rotary driving motor 33 can slide up and down on the support frame 32, the output shaft of the rotary driving motor 33 is arranged downwards, the lifting driving motor 34 is detachably mounted on the top of the support frame 32 by bolts and is used for driving the rotary driving motor 33 to slide up and down on the support frame 32, the chuck 35 is mounted on the output shaft of the rotary driving motor 33 and is used for clamping a drill bit, the chuck 35 rotates along with the rotation of the output shaft of the rotary driving motor 33, the drill bit is mounted on the chuck 35 and is used for drilling on a guide rail placed on the machine frame 1, the central lines of the drill bits of the plurality of power assemblies 31 are positioned on the same vertical plane, and the first stop rod 23 and the second stop rod 24 clamp the guide rail to be drilled, the guide rail is located directly below the drill bit.

The utility model discloses realize that gliding concrete structure from top to bottom of rotary drive motor 33 is: the utility model discloses be provided with slide 37, slide 37 install on support frame 32 constitute the vertical migration vice with support frame 32, rotary drive motor 33 adopt bolt detachable to install on slide 37, the utility model discloses adopt bolt detachable to install motor cabinet 36 on slide 37, rotary drive motor 33 adopt bolt detachable to install on motor cabinet 36, lift drive motor 34 drive slide 37 slide from top to bottom. The utility model discloses a slide subassembly connects slide 37 and support frame 32, the slide subassembly include slide rail 38 and sliding block set, slide rail 38 quantity be two, the equal vertical setting of two slide rails 38 to adopt bolt detachable to install on support frame 32, sliding block set's quantity be two, sliding block set all install on slide 37, every sliding block set is including being provided with two first sliders 39 more than from top to bottom, the utility model discloses preferred every sliding block set contains two first sliders 39, and two sliding block set's first slider 39 cooperatees with two slide rails 38 respectively to slide on slide rail 38.

The utility model discloses a rotatory driving motor 33 on vertical lead screw 310 drive slide 37 and the slide 37 slides from top to bottom, vertical lead screw 310 adopt the shaft coupling (not shown in the figure) to be connected with lift driving motor 34's output shaft, vertical lead screw 310 and slide 37 threaded connection, the lead screw is rotated by lift driving motor 34 drive and is used for driving the slide to slide from top to bottom. The utility model discloses it is preferred slide 37 on be provided with first fixed block, first fixed block and slide 37 integrated into one piece make, first fixed block be located between two sliding block set, open on the first fixed block and have the screw thread through-hole that runs through its top and bottom, vertical lead screw 310 pass the screw thread through-hole and with screw thread through-hole threaded connection. The lifting driving motor 34 works to drive the vertical screw rod 310 to rotate, and the vertical screw rod 310 converts the rotation into the vertical movement of the first fixing block and the sliding plate 37.

When the utility model is used, the piston rod of the cylinder 25 contracts, the second stop lever 24 is pulled towards the direction far away from the first stop lever 23, the distance between the first stop lever 23 and the second stop lever 24 is larger than the width of the guide rail to be drilled, the guide rail to be drilled is placed between the first stop lever 23 and the second stop lever 24, the piston rod of the cylinder 25 extends, the second stop lever 24 is pushed towards the direction of the first stop lever 23, and the guide rail to be drilled between the first stop lever 23 and the second stop lever is clamped; the rotary driving motor 33 drives the chuck 35 and the drill bit to rotate, the lifting driving motor 34 drives the sliding plate 37 and the rotary driving motor 33 on the sliding plate 37 to move downwards, and the drill bit drills on a guide rail to be drilled; after the drilling is completed, the moving driving motor 22 drives the guide rail supporting plate 21 and the guide rail on the guide rail supporting plate 21 to move for a set distance, the drilling device 3 drills holes on the guide rail again, and the process is repeated until all mounting holes on the guide rail are drilled.

Parts which are not specifically described in the above description are prior art or can be realized by the prior art. The specific embodiments of the present invention are merely preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. All equivalent changes and modifications made according to the content of the claims of the present invention should be regarded as the technical scope of the present invention.

Claims

1. A multi-head drilling machine is characterized in that: the device comprises a rack (1), a guide rail moving device (2) and a drilling device (3), wherein the guide rail moving device (2) and the drilling device (3) are arranged on the rack (1), the guide rail moving device (2) comprises a guide rail supporting plate (21), a movable driving motor (22) and a guide rail fixing device which are arranged on the rack (1) and form a horizontal moving pair with the rack (1), the movable driving motor (22) is arranged on the rack and used for driving the guide rail supporting plate (21) to horizontally move on the rack (1), the guide rail fixing device comprises a first stop lever (23) and a second stop lever (24), the first stop lever (23) is arranged on the guide rail supporting plate (21), the length direction of the first stop lever (23) is the same as the moving direction of the guide rail supporting plate (21), and the second stop lever (24) is arranged in parallel with the first stop lever (23), and is driven by a horizontal driving device to approach or depart from the first stop lever (23) for clamping or loosening the guide rail placed between the first stop lever (23) and the second stop lever (24); the drilling device (3) comprises more than two power assemblies (31), wherein each power assembly (31) comprises a support frame (32), a rotary driving motor (33), a lifting driving motor (34), a chuck (35) and a drill bit; the bottom of the support frame (32) is installed on the rack (1), the rotary driving motor (33) is installed on the support frame (32), the rotary driving motor (33) can slide up and down on the support frame (32), an output shaft of the rotary driving motor (33) is arranged downwards, the lifting driving motor (34) is installed on the support frame (32) and used for driving the rotary driving motor (33) to slide up and down on the support frame (32), the chuck (35) is installed on the output shaft of the rotary driving motor (33) and rotates along with the rotation of the output shaft of the rotary driving motor (33), the drill bits are installed on the chuck (35) and used for drilling holes in a guide rail placed on the rack (1), and the center lines of the drill bits of the power assemblies (31) are located on the same vertical plane.

2. The multi-head drill rig according to claim 1, wherein: the drilling device (3) further comprises a sliding plate (37), the sliding plate (37) is installed on the supporting frame (32) and forms a vertical moving pair with the supporting frame (32), the rotary driving motor (33) is installed on the sliding plate (37), and the lifting driving motor (34) drives the sliding plate (37) to slide up and down.

3. The multi-head drill rig according to claim 2, wherein: drilling equipment (3) still include the slip subassembly, the slip subassembly include slide rail (38) and sliding block set, the quantity of slide rail (38) be two, two equal vertical settings of slide rail (38) to detachable installs on support frame (32), the quantity of sliding block set be two, sliding block set all install on slide (37), every sliding block set is including being provided with first slider (39) more than two from top to bottom, first slider (39) of two sliding block sets cooperate with two slide rail (38) respectively to slide on slide rail (38).

4. The multi-head drill rig according to claim 3, wherein: the drilling device (3) further comprises a vertical screw rod (310), the vertical screw rod (310) is connected with an output shaft of the lifting driving motor (34), the vertical screw rod (310) is in threaded connection with the sliding plate (37), and the screw rod is driven by the lifting driving motor (34) to rotate and is used for driving the sliding plate to slide up and down.

5. The multi-head drill rig according to claim 4, wherein: the sliding plate (37) is provided with a first fixing block, the first fixing block is positioned between the two sliding block groups, the first fixing block is provided with a threaded through hole penetrating through the first fixing block from top to bottom, and the vertical screw rod (310) penetrates through the threaded through hole and is in threaded connection with the threaded through hole.

6. The multi-head drill rig according to claim 1, wherein: the horizontal driving device is characterized in that the horizontal driving device is a plurality of air cylinders (25) arranged on the guide rail supporting plate (21), the second stop lever (24) is connected with a piston rod of the air cylinders (25), and the piston rods of the air cylinders (25) synchronously extend and retract to drive the second stop lever (24) to move relative to the first stop lever (23).

7. The multi-head drill rig according to claim 6, wherein: an output shaft of the movable driving motor (22) is provided with a horizontal screw rod (26), the horizontal screw rod (26) is in threaded connection with the guide rail supporting plate (21), and the movable driving motor (22) drives the horizontal screw rod (26) to rotate so as to drive the guide rail supporting plate (21) to do linear motion.

8. The multi-head drill rig according to claim 7, wherein: the bottom of the guide rail supporting plate (21) is provided with a second fixing block (27), the second fixing block (27) is provided with a thread through hole penetrating through the second fixing block, and the horizontal screw rod (26) penetrates through the thread through hole and is in thread fit with the thread through hole.

9. The multi-head drill rig according to claim 8, wherein: the machine frame (1) is provided with two wire rails which are arranged in parallel, and the bottom of the guide rail supporting plate (21) is provided with a second sliding block which is matched with the wire rails.