CN222036885U - A movable large-diameter cylindrical workpiece center hole drilling machine - Google Patents
A movable large-diameter cylindrical workpiece center hole drilling machine Download PDFInfo
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- CN222036885U CN222036885U CN202420739297.2U CN202420739297U CN222036885U CN 222036885 U CN222036885 U CN 222036885U CN 202420739297 U CN202420739297 U CN 202420739297U CN 222036885 U CN222036885 U CN 222036885U
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- center hole
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- 238000005553 drilling Methods 0.000 title claims abstract description 46
- 210000000078 claw Anatomy 0.000 claims abstract description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 6
- 238000003754 machining Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 101150006257 rig-4 gene Proteins 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model discloses a movable large-diameter cylindrical workpiece center hole drilling machine, which comprises a frame, a fixed seat, a translation table, a drilling machine, a lifter, lengthened clamping claws, a three-claw self-centering chuck and a control box, wherein the lifter is arranged at the top of the frame, the lifter is connected with a lifting rod through a lifting chain, two ends of the lifting rod are in sliding connection with the frame, the lifting rod is connected with the three-claw self-centering chuck in a hanging mode, the front end of the three-claw self-centering chuck is provided with equidistant lengthened clamping claws, the rear end of the three-claw self-centering chuck is provided with the fixed seat, the translation table is arranged on the fixed seat, the drilling machine is arranged on the translation table, the front end of the drilling machine penetrates through the center of the three-claw self-centering chuck, and the drilling machine is electrically connected with the control box. The three lengthened clamping jaws and the three-jaw self-centering chuck are used, the drill bit is in the center after clamping, labor is saved, positioning accuracy is improved, the drill bit can be moved back and forth through the fixing disc and the translation, the main body can be moved up and down through the lifter and the lifting rod, labor intensity is reduced, and use flexibility is improved.
Description
Technical Field
The utility model relates to the technical field of center hole drilling machines, in particular to a movable large-diameter cylindrical workpiece center hole drilling machine.
Background
The processing of the center hole of a cylindrical workpiece with a large diameter (phi 280-600 mm) often requires a large machine tool and a special drilling tool, and also has corresponding lifting and clamping equipment of the shaft piece; currently, in the prior art, a center hole machining process of a shaft workpiece generally adopts a process of machining a center hole on a drilling machine or directly machining the center hole on the lathe. When a center hole is machined on a drilling machine, manual scribing is needed, then a workpiece is vertically fixed, the efficiency is low, the workpiece is influenced by the machining range of the drilling machine, the workpiece is not suitable for machining the center hole of a longer shaft workpiece, in addition, the center hole machined is limited by experience of a scriber in the manual scribing process, large errors exist in the machined center hole, and the labor intensity is high; when the center hole is machined on the lathe, the shaft piece is required to be hoisted and clamped, on one hand, the working efficiency is low, the input equipment cost is also high, and on the other hand, the shaft piece can be damaged in the hoisting and clamping process of the shaft piece, and the whole quality of the workpiece is affected.
The current portable centre bore rig of bulletin number CN 205587719U adopts the box structure, wholly sets up the rig in the box, and box one side sets up the chuck, removes to the position that needs processing, adopts the chuck to press from both sides tightly, drills, but the device can not effectively solve the processing of different diameter work pieces, also can not go up and down in a flexible way, uses the flexibility ratio lower.
Disclosure of utility model
The utility model aims to solve the defects in the prior art, and provides a movable large-diameter cylindrical workpiece center hole drilling machine.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
The utility model provides a mobilizable major diameter cylinder work piece centre bore rig, includes frame, fixing base, translation platform, rig, riser, extension jack catch, three-jaw self-centering chuck and control box, the frame top is provided with the riser, the riser passes through the lift chain and connects the lifter, lifter both ends and frame sliding connection, the three-jaw self-centering chuck of articulating on the lifter, three-jaw self-centering chuck front end is provided with equidistant extension jack catch, three-jaw self-centering chuck rear end is provided with the fixing base, be provided with the translation platform on the fixing base, be provided with the rig on the translation platform, the front end of rig passes three-jaw self-centering chuck center, the rig is connected with the control box electricity.
The frame comprises a chassis, a bracket and casters, wherein the casters are arranged below the chassis, and the bracket is arranged above the chassis; the lifting device is characterized in that a lifter is arranged above the support, a lifting rod is arranged below the lifter, sliding sleeves are arranged at two ends of the lifting rod, and the sliding sleeves are sleeved on the support.
The fixing base comprises a translation table fixing plate, a chuck fixing disc and a hook, wherein the chuck fixing disc is vertically connected with the translation table fixing plate, the translation table fixing plate is fixedly connected to the bottom of the rear side of the chuck fixing disc, a central hole A is formed in the middle of the chuck fixing disc, the hook is arranged on the chuck fixing disc right above the central hole, and the hook is hung on a lifting rod.
And two sides of the translation table fixing plate are fixedly connected with the chuck fixing disc through the reinforcing connecting plate.
The hook position is arranged right above the gravity center of the main body of the center hole drilling machine, so that the main body of the center hole drilling machine can be ensured to naturally hang and keep the main shaft of the drilling machine in the horizontal direction.
The translation platform comprises a platform frame, a screw platform, a screw and a hand wheel, wherein the platform frame is fixed on a translation platform fixing plate, the upper portion of the platform frame is in sliding connection with the screw platform, the screw platform comprises a platform sliding plate and a screw arranged below the platform sliding plate, the screw is in matched connection with the screw, one end of the platform frame is fixed on a chuck fixing disc, the other end of the platform frame is provided with a bearing frame, a bearing A is arranged in the bearing frame, the end part of the screw is connected with a rotating shaft through a connecting rod, and the rotating shaft penetrates through the bearing A and is connected with the hand wheel.
The drilling machine is fixedly arranged on a nut platform of the translation table; the hand wheel is rotated to drive the nut platform and the drilling machine to move forwards and backwards, so that the center hole drilling propulsion and withdrawal actions are realized in work.
The drilling machine is a single-phase electric drilling machine capable of stepless speed regulation and can be controlled by controlling the start and stop, reversing, speed regulation and the like of a control box, and the drilling machine is provided with 1 lengthened main shaft and a drill chuck which can clamp drill bits with different specifications.
The lifter comprises a cylinder shaft, a positioning fluted disc, a crank and a bayonet lock, wherein the cylinder shaft is connected to the support through a bearing B, one end of the cylinder shaft penetrates through the bearing B to be fixedly connected with the center of the positioning fluted disc, the crank is arranged at one end of the cylinder shaft, the bayonet lock is arranged on the support corresponding to the edge of the positioning fluted disc, the bayonet lock is movably connected to the bayonet lock sleeve, and the end of the bayonet lock corresponds to teeth of the positioning fluted disc.
The lifting rod is connected with a cylinder shaft of the lifter through a lifting chain.
The lifting device is characterized in that a connecting ring A is arranged on the lifting rod, a connecting ring B is arranged on the cylinder shaft, the connecting ring A and the connecting ring B are correspondingly arranged, one end of the lifting chain is fixed on the connecting ring A, and the other end of the lifting chain is fixed on the connecting ring B.
The lifting chain connected on the cylinder shaft can be rolled up or loosened through the rotation of the crank, so that the lifting rod is pulled to realize up-and-down motion, and after the lifting rod rotates to the working height, the locking pin of the positioning fluted disc is manually and forwardly estimated to realize locking on the drilling working height.
The lengthened claw comprises a radial fixing rod, a radial lengthening rod, an axial lengthening rod and a clamping block, wherein the radial fixing rod is fixed on the three-claw self-centering chuck, one end of the radial fixing rod is fixedly connected with one end of the radial lengthening rod, the axial lengthening rod is sleeved on the radial lengthening rod, a plurality of position adjusting holes are formed in the radial lengthening rod, the radial lengthening rod and the axial lengthening rod are in adjustable connection with each other through bolts and the position adjusting holes, and the clamping block is arranged at the end part of the axial lengthening rod inwards.
The lengthened clamping jaws are provided with 3 groups.
The clamping of workpieces with various diameters, which are larger than the clamping range of the three-jaw self-centering chuck, is realized through adjusting holes at different positions on the radial extension rod.
The chuck fixing disc is connected with the limiting rod through threads, the limiting rod is a cylindrical rod with threads at one end, the limiting rods are arranged on the chuck fixing disc at equal intervals, and the limiting rod and the lengthened clamping jaws are arranged in the same direction.
The number of the limiting rods is 3; when the drilling is prepared, the drilling machine is tightly attached to the end face of the workpiece, so that the main shaft of the drilling machine is vertical to the end face of the workpiece.
The three-jaw self-centering chuck is characterized in that a center hole B is formed in the center of the three-jaw self-centering chuck, the three-jaw self-centering chuck is mounted on a chuck fixing disc of the fixing seat through bolts, and the center hole A and the center hole B are correspondingly overlapped.
The control box is provided with a start button, a stop button and a speed regulation knob, and is fixed on a bracket of the frame and electrically connected with a power supply.
The beneficial effects of the utility model are as follows:
1. Compared with a manual scribing centering mode, the three-jaw self-centering chuck with the three lengthened clamping jaws is used, and the drill bit is centered after clamping, so that manual labor is saved, and the positioning accuracy is improved;
2. The drill position can be moved back and forth through the fixed disk and the platform, and the main body position can be moved up and down through the lifter and the lifting rod, so that the labor intensity of personnel is reduced, and the use flexibility is improved.
Drawings
FIG. 1 is an overall block diagram of the present utility model;
FIG. 2 is a side rear view of the present utility model;
FIG. 3 is a block diagram of a frame according to the present utility model;
FIG. 4 is a schematic view of the present utility model a fixing seat structure diagram;
FIG. 5 is a block diagram of a translation stage of the drill of the present utility model;
FIG. 6 is a cross-sectional view of a translation stage of the present utility model;
FIG. 7 is a block diagram of a lifting frame of the present utility model;
FIG. 8 is a block diagram of an elongated pawl according to the present utility model;
FIG. 9 is a cross-sectional view of a body portion of the present utility model;
In the figure: 1. a frame; 12. a bracket; 13. casters; 14. a chassis; 2. a fixing seat; 21. a translation stage fixing plate; 22. a chuck fixing disc; 23. a central hole A; 24. a hook; 25. reinforcing the connecting plate; 3. a translation stage; 31. a stand; 32. a nut platform; 33. a screw rod; 34. a hand wheel; 35. a bearing bracket; 36. a rotating shaft; 37. a bearing A; 38. a connecting rod; 4. a drilling machine; 5. a lifting rod; 51. a sliding sleeve; 52. a connecting ring A; 53. a lifting chain; 6. a lifter; 61. a cylinder shaft; 62. a connecting ring B; 63. a bearing B; 64. positioning a fluted disc; 65. a crank; 66. a bayonet lock sleeve; 67. a bayonet lock; 7. lengthening the claw; 71. a radial fixed rod; 72. a radial extension bar; 73. an axial extension bar; 74. clamping blocks; 75. a position adjustment hole; 76. a bolt; 8. a limit rod; 9. a three-jaw self-centering chuck; 91. a central hole B; 10. a drill bit; 11. and a control box.
Detailed Description
Example 1
As shown in fig. 1 to 9, the present utility model provides a movable large-diameter cylindrical workpiece center hole drilling machine, which has the structure that: the device comprises a frame 1, a fixed seat 2, a translation table 3, a drilling machine 4, a lifter 6, lengthened clamping jaws 7, a three-jaw self-centering chuck 9 and a control box 11;
The frame 1 comprises a chassis 14, a bracket 12 and casters 13, wherein the casters 13 are arranged below the chassis 14, and the bracket 12 is arranged above the chassis 14; the support 12 is provided with 4 vertical rods, the tops of the vertical rods are connected through supporting rods, a lifter 6 is arranged above the support 12, a lifting rod 5 is arranged below the lifter 6, sliding sleeves 51 are arranged at two ends of the lifting rod 5, the sliding sleeves 51 are sleeved on the vertical rods of the support 12, 4 casters 13 are arranged, 2 casters 13 are oriented, and 2 casters are lockable universal wheels;
The fixed seat 2 comprises a translation table fixing plate 21, a chuck fixing disc 22 and a hook 24, the chuck fixing disc 22 is vertically connected with the translation table fixing plate 21, the translation table fixing plate 21 is fixedly connected to the bottom of the rear side of the chuck fixing disc 22, and two sides of the translation table fixing plate 21 are fixedly connected with the chuck fixing disc 22 through a reinforcing connecting plate 25; a central hole A23 is arranged in the middle of the chuck fixing disc 22, a hook 24 is arranged on the chuck fixing disc 22 right above the central hole, and the hook 24 is hung on the lifting rod 5;
The translation platform 3 comprises a rack 31, a nut platform 32, a lead screw 33 and a hand wheel 34, wherein the rack 31 is fixed on a translation platform fixing plate 21, the upper part of the rack 31 is in sliding connection with the nut platform 32, the nut platform 32 comprises a platform sliding plate and a nut arranged below the platform sliding plate, the nut is in matched connection with the lead screw 33, one end of the rack 31 is fixed on a chuck fixing disc 22, the other end of the rack 31 is provided with a bearing bracket 35, a bearing A37 is arranged in the bearing bracket 35, the end part of the lead screw 33 is connected with a rotating shaft 36 through a connecting rod 38, and the rotating shaft 36 is connected with the hand wheel 34 through the bearing A37; the drilling machine 4 is fixedly arranged on the nut platform 32 of the translation stage 3;
The drilling machine 4 is a single-phase electric drilling machine with stepless speed regulation, the drilling machine 4 is provided with 1 lengthened main shaft and a drill chuck, and the drill chuck can clamp drill bits 10 with different specifications;
The lifter 6 comprises a cylinder shaft 61, a positioning fluted disc 64, a crank 65 and a bayonet lock 67, wherein the cylinder shaft 61 is connected to the bracket 12 through a bearing B63, one end of the cylinder shaft 61 passes through the bearing B63 and is fixedly connected with the center of the positioning fluted disc 64, the crank 65 is arranged at one end of the cylinder shaft 61, the bayonet lock 67 is arranged on the bracket 12 corresponding to the edge of the positioning fluted disc 64, the bayonet lock 67 is movably connected in a bayonet lock sleeve 66, and the end of the bayonet lock 67 corresponds to teeth of the positioning fluted disc 64;
The lifting rod 5 is connected with a cylinder shaft 61 of the lifter 6 through a lifting chain 53, and the lifting chain 53 is provided with 2 lifting chains;
The lifting rod 5 is provided with a connecting ring A52, the cylinder shaft 61 is provided with a connecting ring B62, the connecting ring A52 and the connecting ring B62 are correspondingly arranged, one end of the lifting chain 53 is fixed on the connecting ring A52, and the other end of the lifting chain 53 is fixed on the connecting ring B62;
The lengthening claw 7 comprises a radial fixing rod 71, a radial lengthening rod 72, an axial lengthening rod 73 and a clamping block 74, wherein the radial fixing rod 71 is fixed on the three-jaw self-centering chuck 9, the radial fixing rod 71 is fixedly connected with one end of the radial lengthening rod 72, the axial lengthening rod 73 is sleeved on the radial lengthening rod 72, a plurality of position adjusting holes 75 are formed in the radial lengthening rod 72, the radial lengthening rod 72 and the axial lengthening rod 73 are in adjustable connection with each other through bolts 76 and the position adjusting holes 75, and the clamping block 74 is arranged at the end part of the axial lengthening rod 73 inwards; the lengthened clamping jaw 7 is provided with 3 groups;
The chuck fixing disc 22 is connected with the limiting rod 8 through threads, the limiting rod 8 is a cylindrical rod with threads at one end, the limiting rods 8 are arranged on the chuck fixing disc 22 at equal intervals, and the limiting rod 8 and the lengthened clamping jaw 7 are arranged in the same direction; the limit rods 8 are 3;
A central hole B91 is formed in the center of the three-jaw self-centering chuck 9, the three-jaw self-centering chuck 9 is mounted on the chuck fixing disc 22 of the fixing seat 2 through a bolt 76, and the central hole A23 and the central hole B91 are correspondingly overlapped;
The control box 11 is provided with a start button, a stop button and a speed regulation knob, the control box 11 is fixed on a bracket 12 of the frame 1, and the control box 11 is electrically connected with a power supply;
when in use, the utility model is characterized in that:
(1) Drilling machine 4 is in place: frame 1 of pushing drilling machine 4 near the end of the workpiece;
(2) Confirming and adjusting the drill clamp range: confirming and adjusting the clamping range of the lengthened claw 7 according to the diameter of the workpiece, so that the lengthened claw 7 can be clamped into the end part of the workpiece;
(3) Confirm and adjust the rig 4 height: a manual crank 65 for rocking the lifting shaft moves up and down and positions and locks the height of the drilling machine 4;
(4) Clamping a workpiece: pushing the trolley to enable the limit rod 8 to be fully attached to the end face of the workpiece, and locking the lengthened clamping jaw 7 of the three-jaw self-centering chuck 9 by using a chuck wrench to clamp the workpiece;
(5) Starting a drilling machine 4 to drill: firstly, starting the drilling machine 4 by a button, setting a proper rotating speed, shaking a hand wheel 34 on the translation table 3, pushing the electric drilling machine 4 to drill, and after reaching a set depth, withdrawing the drilling machine 4 and closing the drilling machine 4;
(6) And loosening the clamping jaw to finish drilling.
Claims (10)
1. A movable large diameter cylindrical work piece centre hole rig which characterized in that: including frame, fixing base, translation platform, rig, riser, extension jack catch, three-jaw are from centering chuck and control box, the frame top is provided with the riser, the lifter passes through the lifting chain and connects the lifter, lifter both ends and frame sliding connection, the three-jaw is from centering chuck to the articulating on the lifter, the three-jaw is provided with equidistant extension jack catch from centering chuck front end, the three-jaw is provided with the fixing base from centering chuck rear end, be provided with the translation platform on the fixing base, be provided with the rig on the translation platform, the front end of rig passes three-jaw from centering chuck center, the rig is connected with the control box electricity.
2. A movable large diameter cylindrical work piece center hole drill as claimed in claim 1, wherein: the frame comprises a chassis, a bracket and casters, wherein the casters are arranged below the chassis, and the bracket is arranged above the chassis; the lifting device is characterized in that a lifter is arranged above the support, a lifting rod is arranged below the lifter, sliding sleeves are arranged at two ends of the lifting rod, and the sliding sleeves are sleeved on the support.
3. A movable large diameter cylindrical work piece center hole drill as claimed in claim 2, wherein: the fixing seat comprises a translation table fixing plate, a chuck fixing disc and a hook, wherein the chuck fixing disc is vertically connected with the translation table fixing plate, the translation table fixing plate is fixedly connected to the bottom of the rear side of the chuck fixing disc, a central hole A is formed in the middle of the chuck fixing disc, the hook is arranged on the chuck fixing disc right above the central hole, and the hook is hung on the lifting rod; and two sides of the translation table fixing plate are fixedly connected with the chuck fixing disc through the reinforcing connecting plate.
4. A movable large diameter cylindrical work piece center hole drill as claimed in claim 3, wherein: the translation platform comprises a platform frame, a screw platform, a screw and a hand wheel, wherein the platform frame is fixed on a translation platform fixing plate, the upper portion of the platform frame is in sliding connection with the screw platform, the screw platform comprises a platform sliding plate and a screw arranged below the platform sliding plate, the screw is in matched connection with the screw, one end of the platform frame is fixed on a chuck fixing disc, the other end of the platform frame is provided with a bearing frame, a bearing A is arranged in the bearing frame, the end part of the screw is connected with a rotating shaft through a connecting rod, and the rotating shaft penetrates through the bearing A and is connected with the hand wheel.
5. A movable large diameter cylindrical work piece center hole drill as set forth in claim 4 wherein: the drilling machine is fixedly arranged on a nut platform of the translation table; the drilling machine is a single-phase electric drilling machine capable of stepless speed regulation.
6. A movable large diameter cylindrical work piece center hole drill as set forth in claim 5 wherein: the lifter comprises a cylinder shaft, a positioning fluted disc, a crank and a bayonet lock, wherein the cylinder shaft is connected to the support through a bearing B, one end of the cylinder shaft penetrates through the bearing B to be fixedly connected with the center of the positioning fluted disc, the crank is arranged at one end of the cylinder shaft, the bayonet lock is arranged on the support corresponding to the edge of the positioning fluted disc, the bayonet lock is movably connected to the bayonet lock sleeve, and the end of the bayonet lock corresponds to teeth of the positioning fluted disc.
7. A movable large diameter cylindrical work piece center hole drill as set forth in claim 6 wherein: the lifting rod is connected with a cylinder shaft of the lifter through a lifting chain.
8. A movable large diameter cylindrical work piece center hole drill as set forth in claim 7 wherein: the lengthened claw comprises a radial fixing rod, a radial lengthening rod, an axial lengthening rod and a clamping block, wherein the radial fixing rod is fixed on the three-claw self-centering chuck, one end of the radial fixing rod is fixedly connected with one end of the radial lengthening rod, the axial lengthening rod is sleeved on the radial lengthening rod, a plurality of position adjusting holes are formed in the radial lengthening rod, the radial lengthening rod and the axial lengthening rod are in adjustable connection with each other through bolts and the position adjusting holes, and the clamping block is arranged at the end part of the axial lengthening rod inwards.
9. A movable large diameter cylindrical work piece center hole drill as recited in claim 8, wherein: the chuck fixing disc is connected with the limiting rod through threads, the limiting rod is a cylindrical rod with threads at one end, the limiting rods are arranged on the chuck fixing disc at equal intervals, and the limiting rod and the lengthened clamping jaws are arranged in the same direction.
10. A movable large diameter cylindrical work piece center hole drill as recited in claim 9, wherein: the center of the three-jaw self-centering chuck is provided with a center hole B, the three-jaw self-centering chuck is arranged on a chuck fixing disc of the fixing seat through a bolt, and the center hole A and the center hole B are correspondingly overlapped; the lengthened clamping jaws are provided with 3 groups; the number of the limiting rods is 3; the control box is provided with a start button, a stop button and a speed regulation knob, and is fixed on a bracket of the frame and electrically connected with a power supply.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420739297.2U CN222036885U (en) | 2024-04-11 | 2024-04-11 | A movable large-diameter cylindrical workpiece center hole drilling machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420739297.2U CN222036885U (en) | 2024-04-11 | 2024-04-11 | A movable large-diameter cylindrical workpiece center hole drilling machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222036885U true CN222036885U (en) | 2024-11-22 |
Family
ID=93509219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420739297.2U Active CN222036885U (en) | 2024-04-11 | 2024-04-11 | A movable large-diameter cylindrical workpiece center hole drilling machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222036885U (en) |
-
2024
- 2024-04-11 CN CN202420739297.2U patent/CN222036885U/en active Active
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