CN204035625U - A kind of drill press spindle bascule - Google Patents
A kind of drill press spindle bascule Download PDFInfo
- Publication number
- CN204035625U CN204035625U CN201420443908.5U CN201420443908U CN204035625U CN 204035625 U CN204035625 U CN 204035625U CN 201420443908 U CN201420443908 U CN 201420443908U CN 204035625 U CN204035625 U CN 204035625U
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- gear
- guide cylinder
- bascule
- drill press
- press spindle
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- 238000005553 drilling Methods 0.000 claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 4
- 238000003754 machining Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
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Abstract
The utility model provides a kind of drill press spindle bascule, belongs to field of mechanical technique.There is the problem such as deviation, operation effort in the position it solving existing drill press spindle.This drill press spindle bascule, drilling machine comprises the trunnion axis and main shaft that are connected, one end of trunnion axis is fixed with gear one, bascule comprises gear two, cam, chain, support, sprocket wheel, spring, guide cylinder, supporting base and adjusting bolt, sprocket wheel is positioned at support, cam is connected on gear two, gear two is positioned at the top of gear one, and the line of centres of gear two and gear one vertically, gear two is positioned at the below of sprocket wheel, one end of chain is connected with cam, the other end is connected with supporting base, one end of guide cylinder is positioned at support, the other end and adjusting bolt screw thread are connected, spring is positioned at guide cylinder, one end is resisted against the top of guide cylinder, the other end is resisted against on supporting base.This drill press spindle bascule has that machining accuracy is high, operating grip time the firmly advantage such as balanced.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of drill press spindle bascule.
Background technology
Drilling machine refers to the lathe mainly using drill bit machining hole on workpiece.Usual bit is main motion, and drill bit moves axially as feed motion.The feature of drilling machine is that workpiece maintains static, and cutter rotates, and along major axes orientation feeding, operation can be manual, also can be automatic, also can be Manual-automatic integrated.
In existing drilling machine, drilling machine comprises trunnion axis and main shaft, and trunnion axis is horizontally disposed with, one end attended operation handle of trunnion axis, main shaft is vertically arranged, spindle jacket has sleeve, and main shaft and quill, to being connected, are provided with bearing between main shaft and sleeve, trunnion axis is meshed with sleeve, operating grip drives horizontal rotational shaft, and sleeve is moved up and down, and namely drives main shaft to move up and down.
The bottom of main shaft is fixed with cutter, cutter, main shaft, sleeve and bearing itself all have gravity, under gravity, cutter, main shaft, sleeve and bearing can exist and to a certain degree move down, namely main shaft, sleeve are not that main shaft is connected after cutter, and cutter is also be positioned at initial position position on the lower side on the initial position preset, cause the error adding man-hour larger, make machining accuracy on the low side.And operating grip is when rotating, owing to being subject to, the impact of the gravity such as cutter, main shaft, sleeve and bearing, operator pulls operating grip and rotates when main shaft is moved down, rapid operation, but when pulling operating grip rotation and making main shaft move up, just need the gravity overcoming cutter, main shaft, sleeve and bearing etc., operation effort simultaneously.
Summary of the invention
The purpose of this utility model is for the above-mentioned problems in the prior art, provides a kind of drill press spindle bascule, solves and how to make existing drilling machine machining accuracy high, and firmly balanced when pulling operating grip.
The purpose of this utility model realizes by following technical proposal: a kind of drill press spindle bascule, drilling machine comprises trunnion axis and main shaft, described trunnion axis and main shaft are connected, one end of described trunnion axis is fixed with gear one, it is characterized in that, described bascule comprises gear two, cam, chain, support, sprocket wheel, spring, guide cylinder, supporting base and adjusting bolt, described sprocket wheel is positioned at support, described cam is connected on gear two, described gear two is meshed with gear one, described gear two is positioned at the top of gear one, and the line of centres of gear two and gear one vertically, described gear two is positioned at the below of sprocket wheel, one end of described chain is connected with cam, the other end is connected with supporting base by sprocket wheel, one end of described guide cylinder is positioned at support, the other end and adjusting bolt screw thread are connected, described spring is positioned at guide cylinder, one end of described spring is resisted against the top of guide cylinder, the other end is resisted against on supporting base.
The length of chain is certain, namely by rotating adjusting bolt, can make spring-compressed or elongation, thus the weight of parts that balancing main shaft, cutter etc. and main shaft are directly connected, and on initial position main shaft being positioned at set, improves machining accuracy.Rotating operating handle makes main shaft move down, and trunnion axis driven gear one rotates, thus makes gear two rotation, and cam and then rotates, and chain is wrapped on cam, thus pulls supporting base to make spring-compressed produce elastic force; Rotating operating handle makes main shaft moves, extended by the spring compressed and elastic force is provided, thus alleviate operator and pull power required for handle, operator's power rotated and reverse required for operating grip is made to be identical, operator is firmly balanced, thus effectively reduce the sense of fatigue of operator, improve operating efficiency.Gear two is positioned at the top of gear one, and the line of centres of gear two and gear one is vertically arranged, gear two and a pinion are coaxially arranged, and gear one and pinion engagement, make rotational driven gear two rotation of gear one, this kind of structure, compact conformation, makes gear two can not contact with sleeve, and the effective distance reduced between main shaft and guide cylinder, the relatively smaller, cost-saving of the main spindle box of drilling machine can be made.
In above-mentioned a kind of drill press spindle bascule, described support has gathering sill, the internal diameter of described gathering sill and the external diameter of guide cylinder match, the sidewall of described guide cylinder has the spacing hole in strip axially arranged along guide cylinder, described support is fixed with caging bolt, and caging bolt part is arranged in spacing hole.Caging bolt plays the effect of spacing guide cylinder, one is prevent guide cylinder circumference from rotating, namely when adjusting bolt regulates, guide cylinder circumference is fixing, thus the decrement of regulating spring, two is prevent the stroke of guide cylinder axis excessive and come off from the gathering sill of support, and the circumference using screw to realize guide cylinder is fixed and axial limiting, and structure is simple.
In above-mentioned a kind of drill press spindle bascule, the external diameter of described gear two is 2-4 times of gear one external diameter.The size of the external diameter of gear two and the external diameter of gear one sets according to actual conditions, is generally set as 3 times, and when namely main shaft moves to minimum point from peak, gear two rotates less than a circle again close to a circle, and the angle that gear two rotates is about 330 degree.
In above-mentioned a kind of drill press spindle bascule, the bottom of described guide cylinder is fixed with cover by screw, and the center of described cover has the screwed hole run through, and described adjusting bolt is located in screwed hole.Cover and guide cylinder are connected, and guide cylinder circumference is fixing, rotates adjusting bolt, regulate adjusting bolt to go deep into the amount of guide cylinder, i.e. the decrement of control spring, the elastic force of control spring.
In above-mentioned a kind of drill press spindle bascule, described drilling machine is also fixed with end cap, described adjusting bolt is connected through end cap and cover screw thread.End cap positions adjusting bolt, while making adjusting bolt play regulating spring elastic force, also plays and makes guide cylinder be fixed on effect in drilling machine.
In above-mentioned a kind of drill press spindle bascule, the top of described guide cylinder is fixed with annular gear edge by welding, and one end of described spring is resisted against annular gear along upper.Annular gear is along namely showing that centre has the through hole run through, and through hole passes for chain, and be connected by welding, firmness is high, easy to process.
In above-mentioned a kind of drill press spindle bascule, the bottom of described supporting base has the annular shoulder block of protrusion, and the other end of described spring is resisted against on annular shoulder block, and have cavity in described supporting seat, the top of described adjusting bolt is located in cavity.Supporting base is positioned at the bottom of spring, and when chain pulls supporting base, supporting base makes spring-compressed, has cavity in supporting base, and when adjusting bolt is regulated, bolt directly can not contact with supporting base, improves the precision regulated.
Compared with prior art, the drill press spindle bascule that the utility model provides has the following advantages:
1, the weight of parts that is directly connected with main shaft by Spring balanced main shaft, cutter etc. that spring provides of this drill press spindle bascule, is made main shaft be positioned at default initial position, improves machining accuracy; And due to the effect of spring force, make operator pull operating grip make main shaft move down with on the operating physical force that moves identical, firmly balanced when operator operates, effectively reduce sense of fatigue, increase work efficiency.
2, the gear two of this drill press spindle bascule is positioned at the top of gear one, and gear two is vertically arranged with the line of centres of gear one, effectively reduce the distance between main shaft and guide cylinder, that main spindle box can be made accordingly is smaller, reduces costs.
Axis along guide cylinder on the guide cylinder of 3, this drill press spindle bascule arranges a spacing hole, support is fixed with caging bolt, and caging bolt part is positioned at spacing hole, makes guide cylinder axial limiting, and circumference is fixing, and structure is simple.
Accompanying drawing explanation
Fig. 1 is the overall structure sectional view of this drill press spindle bascule.
Fig. 2 is the enlarged drawing in this drill press spindle bascule Figure 1A region.
Fig. 3 is the syndeton schematic diagram of this gear two, pinion and cam.
In figure, 1, trunnion axis; 2, main shaft; 3, gear one; 4, gear two; 5, cam; 6, chain; 7, support; 7a, gathering sill; 8, sprocket wheel; 9, spring; 10, guide cylinder; 10a, spacing hole; 11, supporting base; 11a, annular shoulder block; 12, adjusting bolt; 13, caging bolt; 14, cover; 15, end cap; 16, annular gear edge; 17, pinion.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
As shown in Figure 1, drilling machine comprises main shaft 2 case, trunnion axis 1 and main shaft 2 is provided with in main shaft 2 casees, main shaft 2 overcoat has sleeve, arranges bearing between sleeve and main shaft 2, and the axis of sleeve outer sleeve has tooth bar, one end of trunnion axis 1 is fixed with gear 1, the other end is connected with operating grip, and gear 1 is meshed with tooth bar, namely pulls operating grip and main shaft 2 can be driven to move up and down by trunnion axis 1, gear 1, sleeve.
Bascule comprises gear 24, cam 5, chain 6, support 7, sprocket wheel 8, spring 9, guide cylinder 10, supporting base 11 and adjusting bolt 12.Gear 24 is positioned at the top of gear 1, and sprocket wheel 8 is positioned at the top of gear 24, and sprocket wheel 8 is positioned at support 7, and support 7 is fixed on main shaft 2 casees.Gear 24 is fixed with cam 5, the line of centres of gear 1 and gear 24 vertically, as shown in Figure 3, pinion 17 engages with gear 1, pinion 17 is connected mutually with gear 24, and gear 1 is rotated by pinion 17 driven gear 24, certainly in practice, also the thickness can making gear 1 is greater than the thickness of gear 24, and gear 24 backgear 24 that is meshed with gear 1 can not be contacted with the sleeve outside main shaft.In the present embodiment, the diameter of gear 24 is 3 times of gear 1 diameter, in actual production, can be 2 times or 4 times according to actual needs.The opposite side that gear 1 is relative with main shaft 2 with gear 24 is provided with guide cylinder 10, the top of guide cylinder 10 is fixed with annular gear along 16 by welding, the bottom of guide cylinder 10 is fixed with cover 14 by screw, the center of cover 14 has the screwed hole run through, be provided with supporting base 11 in the bottom of guide cylinder 10, the bottom of supporting base 11 has the annular shoulder block 11a of protrusion, and spring 9 is positioned at guide cylinder 10, and one end of spring 9 is resisted against annular gear along on 16, the other end is resisted against on annular shoulder block 11a.The top of guide cylinder 10 is positioned at the gathering sill 7a of support 7, the internal diameter of gathering sill 7a and the external diameter of guide cylinder 10 match, as shown in Figure 2, the sidewall on guide cylinder 10 top has the spacing hole 10a in strip axially arranged along guide cylinder 10, the sidewall of gathering sill 7a is fixed with caging bolt 13, caging bolt 13 part is arranged in spacing hole 10a, and caging bolt 13 pairs of guide cylinders 10 play axial limiting, the effect of circumference location.In the screwed hole of guide cylinder 10 bottom cover 14, screw thread is fixed with adjusting bolt 12, and the outer end of adjusting bolt 12 is located in the end cap 15 be connected on main shaft 2 casees, and the inner is located in the cavity of supporting base 11.Adjusting bolt 12 and support 7 make guide cylinder 10 be fixed in main shaft 2 casees.One end of chain 6 is connected mutually with the outside of cam 5, and the other end is walked around sprocket wheel 8 and is connected with supporting base 11.The rotational of cam 5 is wound around chain 6 and pulls supporting base 11 Compress Spring 9.
During adjustment, by rotating adjusting bolt 12, compressing or spring 9 is extended, on initial position main shaft 2 being positioned at set.Main shaft 2 moves down: pull operating grip, trunnion axis 1, gear 1 are rotated, gear 24 is made to rotate while moving down with moving sleeve, main shaft 2, cam 5 is along with gear 24 rotation, spring 9 is made to be wrapped on cam 5, thus pull on supporting base 11 and move Compress Spring 9, in this process, the own wt of main shaft 2, sleeve, bearing and cutter and the elastic force of spring 9 are offset; Main shaft 2 moves: oppositely pull operating grip, trunnion axis 1, gear 1 are reversely rotated, while moving sleeve, main shaft 2 move, gear 24 is reversely rotated, cam 5 rotates backward along with gear 24, make spring 9 leave cam 5 gradually, under the effect of spring 9 elastic force, spring 9 promotes supporting base 11 makes chain 6 move in guide cylinder 10, namely spring 9 provides elastic force to alleviate operator and pulls power required for operating grip, reduces the power required for operator.Operator pulls operating grip makes power main shaft 2 moved or moves down be identical, balanced, and the effective sense of fatigue alleviating operator, increases work efficiency.And in above operation, when main shaft 2 is from peak to minimum point, gear 24 rotates and is less than again a circle close to a circle, and gear 24 rotates 330 degree.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Although more employ herein trunnion axis 1, main shaft 2, gear 1, gear 24, cam 5, chain 6, support 7, gathering sill 7a, sprocket wheel 8, spring 9, guide cylinder 10, spacing hole 10a, supporting base 11, annular shoulder block 11a, adjusting bolt 12, caging bolt 13, cover 14, end cap 15, annular gear along 16, the term such as pinion 17, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present utility model more easily; The restriction that they are construed to any one additional is all contrary with the utility model spirit.
Claims (7)
1. a drill press spindle bascule, drilling machine comprises trunnion axis (1) and main shaft (2), described trunnion axis (1) and main shaft (2) are connected, one end of described trunnion axis (1) is fixed with gear one (3), it is characterized in that, described bascule comprises gear two (4), cam (5), chain (6), support (7), sprocket wheel (8), spring (9), guide cylinder (10), supporting base (11) and adjusting bolt (12), described sprocket wheel (8) is positioned at support (7), described cam (5) is connected on gear two (4), described gear two (4) is meshed with gear one (3), described gear two (4) is positioned at the top of gear one (3), and the line of centres of gear two (4) and gear one (3) vertically, described gear two (4) is positioned at the below of sprocket wheel (8), one end of described chain (6) is connected with cam (5), the other end is connected with supporting base (11) by sprocket wheel (8), one end of described guide cylinder (10) is positioned at support (7), the other end and adjusting bolt (12) screw thread are connected, described spring (9) is positioned at guide cylinder (10), one end of described spring (9) is resisted against the top of guide cylinder (10), the other end is resisted against on supporting base (11).
2. a kind of drill press spindle bascule according to claim 1, it is characterized in that, described support (7) has gathering sill (7a), the internal diameter of described gathering sill (7a) and the external diameter of guide cylinder (10) match, the sidewall of described guide cylinder (10) has the spacing hole (10a) in strip axially arranged along guide cylinder (10), described support (7) is fixed with caging bolt (13), and caging bolt (13) part is arranged in spacing hole (10a).
3. a kind of drill press spindle bascule according to claim 1, is characterized in that, the external diameter of described gear two (4) is 2-4 times of gear one (3) external diameter.
4. a kind of drill press spindle bascule according to claim 1 or 2 or 3, it is characterized in that, the bottom of described guide cylinder (10) is fixed with cover (14) by screw, the center of described cover (14) has the screwed hole run through, and described adjusting bolt (12) is located in screwed hole.
5. a kind of drill press spindle bascule according to claim 4, it is characterized in that, described drilling machine is also fixed with end cap (15), described adjusting bolt (12) is connected through end cap (15) and cover (14) screw thread.
6. a kind of drill press spindle bascule according to claim 1 or 2 or 3, it is characterized in that, the top of described guide cylinder (10) is fixed with annular gear along (16) by welding, and one end of described spring (9) is resisted against annular gear on (16).
7. a kind of drill press spindle bascule according to claim 1 or 2 or 3, it is characterized in that, the bottom of described supporting base (11) has the annular shoulder block (11a) of protrusion, the other end of described spring (9) is resisted against on annular shoulder block (11a), have cavity in described supporting base, the top of described adjusting bolt (12) is located in cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443908.5U CN204035625U (en) | 2014-08-07 | 2014-08-07 | A kind of drill press spindle bascule |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420443908.5U CN204035625U (en) | 2014-08-07 | 2014-08-07 | A kind of drill press spindle bascule |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204035625U true CN204035625U (en) | 2014-12-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420443908.5U Expired - Fee Related CN204035625U (en) | 2014-08-07 | 2014-08-07 | A kind of drill press spindle bascule |
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| Country | Link |
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| CN (1) | CN204035625U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338225A (en) * | 2020-10-26 | 2021-02-09 | 东风汽车集团有限公司 | Flexible tension spring type balancer |
| CN114042955A (en) * | 2021-11-25 | 2022-02-15 | 天长市兴宇交通装备科技有限公司 | Drilling device for casting parts |
-
2014
- 2014-08-07 CN CN201420443908.5U patent/CN204035625U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112338225A (en) * | 2020-10-26 | 2021-02-09 | 东风汽车集团有限公司 | Flexible tension spring type balancer |
| CN112338225B (en) * | 2020-10-26 | 2022-03-18 | 东风汽车集团有限公司 | Flexible tension spring type balancer |
| CN114042955A (en) * | 2021-11-25 | 2022-02-15 | 天长市兴宇交通装备科技有限公司 | Drilling device for casting parts |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Balancing device for drill press spindle Effective date of registration: 20180312 Granted publication date: 20141224 Pledgee: Zhejiang Tailong commercial bank Taizhou branch of Limited by Share Ltd. Pledgor: ZHEJIANG XILING Co.,Ltd. Registration number: 2018330000057 |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 |