CN109894969B - Fine grinding platform - Google Patents
Fine grinding platform Download PDFInfo
- Publication number
- CN109894969B CN109894969B CN201910239636.4A CN201910239636A CN109894969B CN 109894969 B CN109894969 B CN 109894969B CN 201910239636 A CN201910239636 A CN 201910239636A CN 109894969 B CN109894969 B CN 109894969B
- Authority
- CN
- China
- Prior art keywords
- screw
- stop block
- fixed
- block
- rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000005498 polishing Methods 0.000 claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims description 14
- 238000007670 refining Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 10
- 239000011805 ball Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 239000000470 constituent Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000003746 surface roughness Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011806 microball Substances 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Grinding Of Cylindrical And Plane Surfaces (AREA)
Abstract
The invention discloses a fine grinding platform which is used for repairing and finely polishing a lead screw raceway, and adopts a motor as a driving part to drive a lead screw to rotate positively and negatively, so that an oilstone and an intermediate stop block are driven to reciprocate when the lead screw rotates positively and negatively, and polishing and repairing of the oilstone on the lead screw raceway are realized. When the screw rod needs to be replaced or the oilstone is worn and needs to be replaced, the upper pulling plate only needs to be lifted, and the operation is simple and convenient. The tightness degree of the screw rod can be controlled by adjusting the first adjusting bolt and the second adjusting bolt, so that the screw rod can be better adjusted.
Description
Technical Field
The invention relates to a fine grinding platform, in particular to a fine grinding platform for repairing and finely polishing a lead screw raceway so as to improve the operation efficiency of a lead screw.
Background
The ball screw is a component for converting rotary motion into linear motion or converting linear motion into rotary motion, is widely applied to the fields of equipment, engineering, automobiles, aerospace and the like, has the characteristics of high precision, reversibility and high efficiency, and has small friction resistance. Among them, small and micro ball screws are used in various precision machine tools, robots, and the like, which have particularly high control requirements. However, in the actual use process, the ball screw is repeatedly used, so that the ball screw raceway is easy to damage, all changes of linear motion are reduced in accuracy when the ball screw rotates by the same angle, the subsequent operation is influenced, the production efficiency is reduced, and the production accuracy cannot meet the requirement. Therefore, it is particularly important to machine or modify the outer race of the ball screw.
The traditional method for improving the surface roughness of the screw rod in early stage adopts manual polishing, so that the processing method has higher requirement on operators, high labor intensity, and difficult guarantee of the quality of the product, and the requirements of the current high-efficiency and high-precision mechanical development are difficult to meet. At present, in the prior art, the processing or repairing of the ball screw is often finished by a special factory, and the corresponding special machine tool is used for repairing, but the machine tool is usually complex in operation, when the screw is processed, the machine tool is excessively complicated to change when the surface roughness of the screw needs to be further improved, and sometimes, the outer surface (the part provided with the external thread) of the screw is possibly damaged in the process of outward transportation of the screw, and the repairing by the machine tool is too labor-consuming.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the accurate grinding platform for repairing and finely polishing the lead screw raceway, which is simple to operate and high in polishing precision.
In order to solve the technical problems, the technical scheme provided by the invention is as follows:
a finish grinding platform for repairing and polishing a lead screw raceway, comprising:
the device comprises a screw (7) and a driving mechanism, wherein the driving mechanism is used for driving the screw (7) to rotate;
the polishing mechanism comprises an intermediate stop block (10) and a grinding tool (12), the lead screw (7) passes through the intermediate stop block (10), and the grinding tool (12) is limited in the intermediate stop block (10) and is contacted with the upper surface of the lead screw (7); a thread groove matched with the thread on the outer surface of the screw rod (7) is formed in the lower surface of the grinding tool (12); the polishing mechanism is supported by the supporting mechanism in a sliding way;
the device further comprises a fixing plate (13), wherein the fixing plate (13) is fixed to the upper surface of the middle stop block (10) through a first adjusting bolt (14); two sliding rods are arranged on the fixed plate (13) in a penetrating way, an upper pull plate (16) is fixed at the upper end of each sliding rod, a gasket (18) is fixed at the lower end of each sliding rod, and each gasket (18) is in contact with the upper surface of the grinding tool (12); the spring (17) is sleeved on the sliding rod at the lower part of the fixed plate (13).
Further, the driving mechanism comprises a motor (3) and a chuck (5), the chuck (5) is connected with an output shaft of the motor through a chuck middle connecting rod (6), and the chuck (5) is used for clamping and fixing one end of a screw rod (7).
Further, an opening is formed in the upper surface of the middle part of the middle stop block (10), a V-shaped supporting block (11) is arranged in the opening, and the lead screw (7) penetrates through the middle stop block (10) and is erected in a V-shaped groove of the V-shaped supporting block (11); the grinding tool (12) is arranged in the opening.
Further, the number of the first adjusting bolts (14) is two, and the two adjusting bolts are symmetrically arranged at two ends of the fixing plate (13).
Further, a second adjusting bolt (15) is further arranged on the lower surface of the middle stop block (10) in a penetrating mode, and the second adjusting bolt (15) extends from the lower surface of the middle stop block (10) to the bottom of an opening of the middle stop block (10) so as to be in contact with the bottom of the V-shaped supporting block (11).
Further, the motor support comprises a bottom plate (1), wherein a motor support (2) is arranged on the bottom plate (1), and a motor (3) is fixed on the motor support (2) through a motor base (4).
Further, the supporting mechanism is two polished rods (8) symmetrically arranged on two sides of the screw rod (7), and the two polished rods (8) are in sliding connection with two ends of the middle stop block (10) through linear bearings.
Further, the polishing device further comprises a supporting seat (9), both ends of the polished rod (8) are fixed to the bottom plate (1) through the supporting seat (9), a shaft supporting seat (21) is fixed on the supporting seat (9), and both ends of the polished rod (8) are connected with the shaft supporting seat (21).
Further, limiting devices (20) are arranged at two ends of the polish rod (8) at one side through brackets (19).
Compared with the prior art, the invention has the advantages that:
(1) The motor is used as a driving part to drive the screw rod to rotate positively and negatively, so that the oilstone and the middle stop block are driven to reciprocate when the screw rod rotates positively and negatively, and polishing and repairing of the oilstone on a screw rod roller path are realized.
(2) When the screw rod needs to be replaced or the oilstone is worn and needs to be replaced, the upper pulling plate only needs to be lifted, and the operation is simple and convenient.
(3) The tightness degree of the screw rod can be controlled by adjusting the first adjusting bolt and the second adjusting bolt, so that the screw rod can be better adjusted.
Drawings
The invention will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings. Wherein:
figure 1 is a schematic view of the refining platform of the present invention.
Fig. 2 is an exploded view of the refining platform of the present invention.
Figure 3 is a cross-sectional view of the refining platform of the present invention.
Fig. 4 is a schematic view of an intermediate stop of the present invention.
The reference numerals in the drawings denote:
1. a bottom plate; 2. a motor bracket; 3. a motor; 4. a motor base; 5. a chuck; 6. a chuck middle connecting rod; 7. a screw rod; 8. a polish rod; 9. a support base; 10. an intermediate stop; 11. v-shaped supporting blocks; 12. grinding tool; 13. a fixing plate; 14. a first adjusting bolt; 15. a second adjusting bolt; 16. a pull-up plate; 17. a spring; 18. a gasket; 19. a sensor holder; 20. a distance sensor.
Description of the embodiments
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings.
In this document, relational terms such as first and second, top and bottom, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. The terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element obtained by "comprising … …" does not exclude the presence of other elements in a process, method, article, or apparatus that comprises the element, other than those listed.
On the other hand, the terms used in the present specification are used for illustrating the embodiments, and are not intended to limit the present invention. In the present specification, the singular form also includes the plural form unless otherwise specified in the sentence. The use of "comprising" and/or "including" in the specification means that the recited constituent elements, steps, actions and/or components do not preclude the presence or addition of one or more other constituent elements, steps, actions and/or components. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Referring to fig. 1-4, a fine grinding platform is used for repairing and finely polishing a lead screw raceway and comprises a bottom plate 1, a motor support 2 is arranged on the bottom plate 1, and a motor 3 is fixed on the motor support 2 through a motor base 4. The clamping head 5 is used for clamping and fixing one end of the screw rod 7, the clamping head 5 is connected with an output shaft of the motor through a middle connecting rod 6 of the clamping head, the motor 3 is used as a driving part, and the clamping head 5 is connected with the clamping head 5 through the middle connecting rod 6 of the clamping head so as to drive the screw rod 7 to rotate positively and negatively.
The middle stop block 10 is provided with an opening on the upper surface of the middle part, a V-shaped supporting block 11 is arranged in the opening, and the screw rod 7 vertically penetrates through the middle stop block 10 and is erected in a V-shaped groove of the V-shaped supporting block 11. The two polished rods 8 are symmetrically arranged on two sides of the screw rod 7 respectively and are connected with two ends of the middle stop block 10 through linear bearings, two ends of each polished rod 8 are fixed to the bottom plate 1 through the supporting seat 9, further, the supporting seat 9 is fixedly provided with the shaft supporting seat 21, and two ends of the polished rod 8 are connected with the shaft supporting seat 21.
The inside grinding apparatus 12 that still is provided with of opening, it is located the upper portion of lead screw 7, contacts with lead screw 7 upper surface, and the screw thread recess with lead screw 7 surface screw thread assorted is seted up to the lower surface of grinding apparatus 12. Further, a fixing plate 13 is provided, both ends of which are fixed to the intermediate stopper 10 by first adjusting bolts 14, two sliding rods (not shown in the figure) are penetrated through the fixing plate 13, an upper pull plate 16 is fixed to the upper end of the sliding rods, a spacer 18 is fixed to the lower end of the sliding rods, and the spacer 18 is in contact with the upper surface of the grinding tool 12. The spring 17 is sleeved on the sliding rod at the lower part of the fixed plate 13. Further, the lower surface of the middle stopper 10 is further provided with a second adjusting bolt 15, and the second adjusting bolt 15 extends from the lower surface of the middle stopper 10 to the bottom of the opening of the middle stopper 10, thereby contacting with the bottom of the V-shaped supporting block 11. The tightness of the contact of the washer 18 with the screw rod 7 can be adjusted by adjusting the first adjusting bolt 14, and the tightness of the contact of the V-shaped supporting block 11 with the screw rod 7 can be adjusted by adjusting the second adjusting bolt 15.
Wherein, for cost reduction, the grinding tool 12 can be made of oilstone.
Further, the two ends of the polish rod 8 at one side are provided with limiting devices through brackets 19, so as to prevent excessive movement of the middle stop block in the left-right direction. The limiting device is a distance sensor 20.
Working principle: the motor 3 is used as a driving part to drive the screw rod 7 to rotate positively and negatively, so that the grinding tool 12 and the middle stop block 10 are carried to reciprocate when the screw rod 7 rotates positively and negatively, and the grinding and repairing of the grinding tool 12 on a screw rod roller path are realized. When the screw rod needs to be replaced or the grinding tool is worn and needs to be replaced, the upper pulling plate only needs to be lifted, and the operation is simple and convenient. The tightness degree of the screw rod can be controlled by adjusting the first adjusting bolt 14 and the second adjusting bolt 15 so as to enable the screw rod to obtain a better adjusting effect. Through the finish grinding platform of this application to realize easy operation, the lead screw raceway that the precision of polishing is high is restoreed, is thrown by the essence.
The above description is only of the preferred embodiment of the present invention, and is not intended to limit the present invention in any way. While the invention has been described with reference to preferred embodiments, it is not intended to be limiting. Any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modifications to equivalent embodiments using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present invention. Therefore, any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present invention still fall within the scope of the technical solution of the present invention.
Claims (9)
1. The utility model provides a fine grinding platform for repair, the fine polishing of lead screw raceway, its characterized in that includes:
the device comprises a screw (7) and a driving mechanism, wherein the driving mechanism is used for driving the screw (7) to rotate;
the polishing mechanism comprises an intermediate stop block (10) and a grinding tool (12), the lead screw (7) passes through the intermediate stop block (10), and the grinding tool (12) is limited in the intermediate stop block (10) and is contacted with the upper surface of the lead screw (7); a thread groove matched with the thread on the outer surface of the screw rod (7) is formed in the lower surface of the grinding tool (12); the polishing mechanism is supported by the supporting mechanism in a sliding way;
the device further comprises a fixing plate (13), wherein the fixing plate (13) is fixed to the upper surface of the middle stop block (10) through a first adjusting bolt (14); two sliding rods are arranged on the fixed plate (13) in a penetrating way, an upper pull plate (16) is fixed at the upper end of each sliding rod, a gasket (18) is fixed at the lower end of each sliding rod, and each gasket (18) is in contact with the upper surface of the grinding tool (12); the spring (17) is sleeved on the sliding rod at the lower part of the fixed plate (13).
2. A refining platform according to claim 1, characterized in that the drive mechanism comprises a motor (3) and a collet (5), the collet (5) being connected to the motor output shaft via a collet intermediate link (6), the collet (5) being adapted to grip and fix one end of a screw (7).
3. The fine grinding platform according to claim 1, characterized in that an opening is arranged on the upper surface of the middle part of the middle stop block (10), a V-shaped supporting block (11) is arranged in the opening, and the screw rod (7) penetrates through the middle stop block (10) and is erected in a V-shaped groove of the V-shaped supporting block (11); the grinding tool (12) is arranged in the opening.
4. The refining platform of claim 1, characterized in that the first adjusting bolts (14) are provided in two, symmetrically arranged at both ends of the fixing plate (13).
5. A refining platform according to claim 3, characterized in that the lower surface of the intermediate block (10) is further perforated with a second adjusting bolt (15), which second adjusting bolt (15) extends from the lower surface of the intermediate block (10) to the open bottom of the intermediate block (10) so as to be in contact with the bottom of the V-shaped supporting block (11).
6. A refining platform according to any one of claims 1-3, characterized in that it further comprises a bottom plate (1), on which bottom plate (1) a motor support (2) is mounted, the motor (3) being fixed to the motor support (2) by means of a motor mount (4).
7. The fine grinding platform according to claim 6, characterized in that the supporting mechanism is two polished rods (8) symmetrically arranged on two sides of the screw rod (7), and the two polished rods (8) are slidably connected with two ends of the middle stop block (10) through linear bearings.
8. The fine grinding platform according to claim 7, further comprising a supporting base (9), wherein both ends of the polish rod (8) are fixed to the bottom plate (1) through the supporting base (9), a shaft supporting base (21) is fixed on the supporting base (9), and both ends of the polish rod (8) are connected with the shaft supporting base (21).
9. A refining platform according to claim 8, characterized in that the two ends of the polish rod (8) on one side are provided with limit means (20) by means of brackets (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239636.4A CN109894969B (en) | 2019-03-27 | 2019-03-27 | Fine grinding platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910239636.4A CN109894969B (en) | 2019-03-27 | 2019-03-27 | Fine grinding platform |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109894969A CN109894969A (en) | 2019-06-18 |
| CN109894969B true CN109894969B (en) | 2024-02-23 |
Family
ID=66953574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910239636.4A Active CN109894969B (en) | 2019-03-27 | 2019-03-27 | Fine grinding platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109894969B (en) |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009208212A (en) * | 2008-03-06 | 2009-09-17 | Okamoto Machine Tool Works Ltd | Processing device for thinning and flattening substrate |
| JP2010099802A (en) * | 2008-10-27 | 2010-05-06 | Jtekt Corp | Rest device for thread groove grinder and thread groove grinder |
| KR20100049172A (en) * | 2008-11-03 | 2010-05-12 | 두산인프라코어 주식회사 | Apparatus for preventing ballscrew axis of machine tool automatically from drooping |
| JP2012077914A (en) * | 2012-01-23 | 2012-04-19 | Nsk Ltd | Ball screw mechanism |
| CN102620929A (en) * | 2012-03-15 | 2012-08-01 | 南京理工大学 | Device and method for testing precision retaining ability of ball screw assembly |
| CN204248498U (en) * | 2014-10-30 | 2015-04-08 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of gripping position adjustable pipe clamping device |
| CN104589161A (en) * | 2015-01-13 | 2015-05-06 | 辽宁科技大学 | Device for grinding lead screw precisely |
| CN204321798U (en) * | 2014-12-03 | 2015-05-13 | 江阴东辰机械制造股份有限公司 | The driven support roller adjusting device of circle base reconditioning chassis |
| CN204612926U (en) * | 2015-05-08 | 2015-09-02 | 天津海特传动机械有限公司 | A kind of ball lead screw auxiliary ran machine |
| CN204711702U (en) * | 2015-04-14 | 2015-10-21 | 辽宁科技大学 | A kind of magnetic grinding finishing device of cone object |
| CN106041680A (en) * | 2016-07-27 | 2016-10-26 | 南京理工大学 | Grinding device for outer roller path of ball screw pair and grinding method |
| CN208289557U (en) * | 2018-01-30 | 2018-12-28 | 天津斯普润机电设备有限公司 | A kind of ball-screw polishing process equipment |
| CN208584392U (en) * | 2018-07-24 | 2019-03-08 | 河南熔金高温材料股份有限公司 | A kind of multi-functional steel ladle slide board fixture for grinding machine |
| CN209954445U (en) * | 2019-03-27 | 2020-01-17 | 苏州斯科勒自动化设备有限公司 | Accurate grinding platform |
-
2019
- 2019-03-27 CN CN201910239636.4A patent/CN109894969B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009208212A (en) * | 2008-03-06 | 2009-09-17 | Okamoto Machine Tool Works Ltd | Processing device for thinning and flattening substrate |
| JP2010099802A (en) * | 2008-10-27 | 2010-05-06 | Jtekt Corp | Rest device for thread groove grinder and thread groove grinder |
| KR20100049172A (en) * | 2008-11-03 | 2010-05-12 | 두산인프라코어 주식회사 | Apparatus for preventing ballscrew axis of machine tool automatically from drooping |
| JP2012077914A (en) * | 2012-01-23 | 2012-04-19 | Nsk Ltd | Ball screw mechanism |
| CN102620929A (en) * | 2012-03-15 | 2012-08-01 | 南京理工大学 | Device and method for testing precision retaining ability of ball screw assembly |
| CN204248498U (en) * | 2014-10-30 | 2015-04-08 | 安徽鼎恒再制造产业技术研究院有限公司 | A kind of gripping position adjustable pipe clamping device |
| CN204321798U (en) * | 2014-12-03 | 2015-05-13 | 江阴东辰机械制造股份有限公司 | The driven support roller adjusting device of circle base reconditioning chassis |
| CN104589161A (en) * | 2015-01-13 | 2015-05-06 | 辽宁科技大学 | Device for grinding lead screw precisely |
| CN204711702U (en) * | 2015-04-14 | 2015-10-21 | 辽宁科技大学 | A kind of magnetic grinding finishing device of cone object |
| CN204612926U (en) * | 2015-05-08 | 2015-09-02 | 天津海特传动机械有限公司 | A kind of ball lead screw auxiliary ran machine |
| CN106041680A (en) * | 2016-07-27 | 2016-10-26 | 南京理工大学 | Grinding device for outer roller path of ball screw pair and grinding method |
| CN208289557U (en) * | 2018-01-30 | 2018-12-28 | 天津斯普润机电设备有限公司 | A kind of ball-screw polishing process equipment |
| CN208584392U (en) * | 2018-07-24 | 2019-03-08 | 河南熔金高温材料股份有限公司 | A kind of multi-functional steel ladle slide board fixture for grinding machine |
| CN209954445U (en) * | 2019-03-27 | 2020-01-17 | 苏州斯科勒自动化设备有限公司 | Accurate grinding platform |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109894969A (en) | 2019-06-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104816174A (en) | Flexible fixture capable of precisely controlling angle in plane | |
| CN105880637A (en) | Lathe used for turning long rod class of parts | |
| CN201283534Y (en) | Numerical control polishing machine tool | |
| CN210996256U (en) | Precise free forging press | |
| CN110935921B (en) | Automatic profiling polishing machine and polishing method for spherical body | |
| CN107414608B (en) | Rotary type optical fiber preform magnetorheological polishing machine and polishing method thereof | |
| CN211103267U (en) | Reciprocating telescopic polishing machine | |
| CN205614064U (en) | A lathe that is used for turning stock class part | |
| CN205519769U (en) | A device for connecting rod processing | |
| CN109894969B (en) | Fine grinding platform | |
| CN211805341U (en) | Automatic workpiece measuring device of grinding machine | |
| CN209954445U (en) | Accurate grinding platform | |
| CN212470776U (en) | Be used for prosthetic accurate grinding platform of ball raceway | |
| CN109604650A (en) | Digitize turning tool height liftable lathe complete machine | |
| CN112192419B (en) | Sheet metal polishing robot convenient to operate for machining | |
| CN113145887B (en) | Drilling machine for machining mechanical parts | |
| CN213319199U (en) | Grinding machine for processing of seminal duct convenient for fixing air spring | |
| CN211976463U (en) | Quick positioning and mounting base of electromechanical equipment | |
| CN201863124U (en) | Numerical control surface grinding machine grinding wheel automatic dresser | |
| CN209969194U (en) | Servo type horizontal two-roller rolling device | |
| CN210678066U (en) | Local grinding device of polyurethane conveying roller | |
| CN210937933U (en) | Ultrasonic rolling device for large-diameter metal inner spherical surface | |
| CN109458921B (en) | Tapered roller comprehensive measuring instrument | |
| CN203918672U (en) | The metallic composite surface preparation sander of a kind of laboratory special use | |
| CN107490523B (en) | Full-automatic cutting tool cutting efficiency test machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |