CN113001399B - Cylindrical grinder work piece clamping device - Google Patents
Cylindrical grinder work piece clamping device Download PDFInfo
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- CN113001399B CN113001399B CN201911327363.5A CN201911327363A CN113001399B CN 113001399 B CN113001399 B CN 113001399B CN 201911327363 A CN201911327363 A CN 201911327363A CN 113001399 B CN113001399 B CN 113001399B
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- chuck
- block
- workpiece
- clamping
- clamping device
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- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/061—Work supports, e.g. adjustable steadies axially supporting turning workpieces, e.g. magnetically, pneumatically
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Grinding Of Cylindrical And Plane Surfaces (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a workpiece clamping device of a cylindrical grinding machine, which comprises a bottom plate, a fixed seat and a movable seat, wherein a rotating shaft is arranged on the fixed seat, a chuck is arranged at one end of the rotating shaft, and a rotating center corresponding to the chuck is arranged on the movable seat, and the workpiece clamping device is characterized in that: the chuck comprises a chuck body, a workpiece groove is formed in the center of the chuck body, at least three sliding grooves are formed in the circumferential direction of the workpiece groove, the sliding grooves are formed in the radial direction of the chuck body, and clamping blocks are connected in the sliding grooves in a sliding mode; a moving block capable of moving along the axial direction of the chuck body is arranged at the bottom of the workpiece groove, one end of the moving block is connected with a follow-up disc, a push rod corresponding to the clamping block is arranged on the follow-up disc, a first inclined block is arranged on the push rod, and a second inclined block matched with the first inclined block is arranged on the clamping block; and an anti-slip groove is formed in one side of the clamping block close to the center of the chuck. According to the invention, the chuck can realize automatic clamping, manual operation is not needed, time and labor are saved, and the clamping of a workpiece is facilitated.
Description
Technical Field
The invention relates to the technical field of grinding machines, in particular to a workpiece clamping device of a cylindrical grinding machine.
Background
A cylindrical grinding machine is a processing device for grinding the excircle of a workpiece. The cylindrical grinding machine is provided with a workpiece clamping device for clamping a workpiece. The existing workpiece clamping device generally comprises a fixed seat and a movable seat, wherein the fixed seat is fixed on a lathe bed, the movable seat can move along the lathe bed, a three-jaw chuck is arranged on the fixed seat, and the three-jaw chuck is generally connected with a motor and can rotate under the driving of the motor. The movable seat is provided with a rotating center corresponding to the three-jaw chuck, when the movable seat is used, one end of a workpiece is clamped on the three-jaw chuck, and then the rotating center on the movable seat is used for tightly propping against the other end of the workpiece, so that the workpiece is clamped. The clamping mode has the following defects: the three-jaw chuck can clamp a workpiece only through manual operation by means of tools such as a spanner, and the operation is time-consuming and labor-consuming.
Disclosure of Invention
The invention aims to solve the problem that the operation is time-consuming and labor-consuming when the conventional workpiece clamping device of the cylindrical grinding machine clamps a workpiece, and provides the workpiece clamping device of the cylindrical grinding machine, which can effectively solve the problem.
The purpose of the invention is realized by the following technical scheme: a workpiece clamping device of a cylindrical grinding machine comprises a bottom plate, a fixed seat and a movable seat, wherein a rotating shaft is arranged on the fixed seat, a chuck is arranged at one end of the rotating shaft, a rotating center corresponding to the chuck is arranged on the movable seat, the chuck comprises a chuck body, a workpiece groove is formed in the center of the chuck body, at least three sliding grooves are formed in the circumferential direction of the workpiece groove and are arranged in the radial direction of the chuck body, and clamping blocks are connected in the sliding grooves in a sliding manner; a moving block capable of moving along the axial direction of the chuck body is arranged at the bottom of the workpiece groove, one end of the moving block is connected with a follow-up disc, a push rod corresponding to the clamping block is arranged on the follow-up disc, a first inclined block is arranged on the push rod, and a second inclined block matched with the first inclined block is arranged on the clamping block; and an anti-slip groove is formed in one side of the clamping block close to the center of the chuck.
In the invention, the chuck has an automatic clamping function. When the rotating center is used, one end of a workpiece extends into the workpiece groove, and then the moving seat is controlled to move towards the fixed seat, so that the rotating center arranged on the moving seat tightly pushes the other end of the workpiece. When the other end of the workpiece is tightly pushed, the workpiece can push the moving block to move axially of the chuck, the follow-up disc and the push rod arranged on the follow-up disc can move synchronously with the moving block, and when the push rod moves, the clamping block is pushed to move towards the center of the chuck under the action of the first inclined block and the second inclined block, so that the clamping block clamps the side face of the workpiece, and the automatic clamping function is realized. According to the invention, the chuck can realize automatic clamping, manual operation is not needed, time and labor are saved, and the clamping of a workpiece is facilitated.
Preferably, the first sloping block is provided with a first guide inclined plane, the second sloping block is provided with a second guide inclined plane parallel to the first guide inclined plane, and the first guide inclined plane is in contact with the second guide inclined plane. When the push rod moves, the first guide inclined surface and the second guide inclined surface can slide relatively, so that the clamping block moves along the radial direction of the chuck, and the workpiece is clamped
Preferably, the push rod is disposed along an axial direction of the chuck body.
Preferably, a tension spring is arranged between the clamping block and the bottom of the sliding groove. The tension spring plays a role in resetting the clamping block.
Preferably, a cavity is arranged in the chuck body, the follow-up disc is positioned in the cavity, and a return spring is arranged between the follow-up disc and the cavity.
Preferably, four sliding grooves are provided.
Preferably, the base plate is provided with a guide rail, and the movable base is slidably connected to the guide rail. The guide rail plays a guiding role for the movable seat.
Preferably, the bottom plate is provided with a driving motor, the driving motor is connected with a screw rod, and the screw rod is parallel to the guide rail; the movable seat is provided with a threaded hole matched with the screw rod, and the screw rod is connected with the threaded hole. The driving motor can drive the screw rod to rotate, and the screw rod rotates to drive the movable seat to move.
The beneficial effects of the invention are: according to the invention, the chuck can realize automatic clamping, manual operation is not needed, time and labor are saved, and the clamping of a workpiece is facilitated.
Drawings
Fig. 1 is a side view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a front view of the chuck.
Fig. 4 is a cross-sectional view of the chuck.
Fig. 5 is an enlarged view of a portion a in fig. 4.
Fig. 6 is a schematic structural view of the clamping block.
In the figure: 1. the automatic clamping device comprises a base plate, 2, a fixed seat, 3, a rotating shaft, 4, a chuck, 5, a guide rail, 6, a movable seat, 7, a rotating center, 8, a screw rod, 9, a driving motor, 10, a chuck body, 11, a clamping block, 12, a movable block, 13, a workpiece groove, 14, a cavity, 15, a follow-up disc, 16, a reset spring, 17, a push rod, 18, a sliding groove, 19, a tension spring, 20, a first inclined block, 21, a second inclined block, 22 and an anti-skidding groove.
Detailed Description
The invention is further described in the following by means of embodiments in conjunction with the accompanying drawings.
Example 1:
as shown in fig. 1 to 6, a workpiece clamping device for a cylindrical grinding machine comprises a base plate 1, a fixed seat 2 and a movable seat 6. The fixing seat 2 is fixedly arranged on the bottom plate 1. The fixed seat 2 is provided with a rotating shaft 3. One end of the rotating shaft 3 is connected with a chuck 4. The chuck 4 is used to clamp one end of a workpiece. The rotating shaft 3 is connected with a motor. The base plate 1 is provided with a guide rail 5. The movable seat 6 is slidably connected to the guide rail 5. One side of the movable seat 6 close to the fixed seat 2 is provided with a rotating center 7 corresponding to the chuck 4. The base plate 1 is provided with a driving motor 9. The driving motor 9 is connected with a screw rod 8. The screw 8 is parallel to the guide rail 5. The movable seat 6 is provided with a threaded hole matched with the screw rod 8. The screw 8 passes through the movable seat 6. The screw rod 8 is connected with the threaded hole. The driving motor can drive the screw rod to rotate, and the screw rod rotates to drive the movable seat to move.
The chuck 4 includes a chuck body 10. The chuck body 10 is shaped like a disk. The chuck body 10 is centrally provided with a workpiece groove 13. At least three slide grooves 18 are provided in the circumferential direction of the workpiece groove 13. In the present embodiment, four slide grooves 18 are provided. The slide grooves 18 are provided along the radial direction of the chuck body 10. A clamping block 11 is slidably connected in the sliding groove 18. The workpiece groove 13 is provided at the bottom with a moving block 12 that is axially movable along the chuck body 10. One end of the moving block 12 is connected with a follow-up disc 15. The follower disk 15 has a disk-like structure. A cavity 14 is arranged in the chuck body 10, the follower disk 15 is positioned in the cavity 14, and a return spring 16 is arranged between the follower disk 15 and the cavity 14. The follower disk 15 is provided with a push rod 17 corresponding to the clamping block 11. The push rod 17 is disposed along the axial direction of the chuck body 10. One end of the push rod 17 extends into the slide groove 18. The push rod 17 is provided with a first swash block 20. The clamping block 11 is provided with a second inclined block 21 matched with the first inclined block 20. The first swash block 20 and the second swash block 21 are both triangular in cross section. The first inclined block 20 is provided with a first guide inclined surface, the second inclined block 21 is provided with a second guide inclined surface parallel to the first guide inclined surface, and the first guide inclined surface is in contact with the second guide inclined surface. A tension spring 19 is arranged between the clamping block 11 and the bottom of the sliding groove 18. The clamping block 11 is provided with an anti-slip groove 22 at one side close to the center of the chuck 4.
In the invention, the chuck has an automatic clamping function. When the rotating center is used, one end of a workpiece extends into the workpiece groove, and then the moving seat is controlled to move towards the fixed seat, so that the rotating center arranged on the moving seat tightly pushes the other end of the workpiece. When the other end of the workpiece is tightly pushed, the workpiece can push the moving block to move axially of the chuck, the follow-up disc and the push rod arranged on the follow-up disc can move synchronously with the moving block, and when the push rod moves, the clamping block is pushed to move towards the center of the chuck under the action of the first inclined block and the second inclined block, so that the clamping block clamps the side face of the workpiece, and the automatic clamping function is realized. According to the invention, the chuck can realize automatic clamping, manual operation is not needed, time and labor are saved, and the clamping of a workpiece is facilitated.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still make modifications to the technical solutions described in the foregoing embodiments, or make equivalent substitutions for some technical features, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a cylindrical grinder work piece clamping device, includes bottom plate, fixing base and removes the seat, is provided with the pivot on the fixing base, and pivot one end is provided with the chuck, removes to be provided with on the seat with the corresponding live center of chuck, its characterized in that: the chuck comprises a chuck body, a workpiece groove is formed in the center of the chuck body, at least three sliding grooves are formed in the circumferential direction of the workpiece groove, the sliding grooves are formed in the radial direction of the chuck body, and clamping blocks are connected in the sliding grooves in a sliding mode; a moving block capable of moving along the axial direction of the chuck body is arranged at the bottom of the workpiece groove, one end of the moving block is connected with a follow-up disc, a push rod corresponding to the clamping block is arranged on the follow-up disc, a first inclined block is arranged on the push rod, and a second inclined block matched with the first inclined block is arranged on the clamping block; one side of the clamping block close to the center of the chuck is provided with an anti-skidding groove, a tension spring is arranged between the clamping block and the bottom of the sliding groove, a cavity is arranged in the chuck body, the follow-up disc is positioned in the cavity, and a reset spring is arranged between the follow-up disc and the cavity.
2. The cylindrical grinding machine workpiece clamping device of claim 1, wherein: the first sloping block is provided with a first guide inclined plane, the second sloping block is provided with a second guide inclined plane parallel to the first guide inclined plane, and the first guide inclined plane is in contact with the second guide inclined plane.
3. The cylindrical grinding machine workpiece clamping device of claim 1, wherein the push rod is arranged along the axial direction of the chuck body.
4. A cylindrical grinding machine workpiece clamping device according to claim 1, characterised in that there are four runners.
5. The cylindrical grinding machine workpiece clamping device of claim 1, wherein the base plate is provided with a guide rail, and the movable base is slidably connected to the guide rail.
6. The cylindrical grinding machine workpiece clamping device as claimed in claim 5, wherein a driving motor is arranged on the bottom plate, a screw rod is connected to the driving motor, and the screw rod is parallel to the guide rail; the movable seat is provided with a threaded hole matched with the screw rod, and the screw rod is connected with the threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911327363.5A CN113001399B (en) | 2019-12-20 | 2019-12-20 | Cylindrical grinder work piece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911327363.5A CN113001399B (en) | 2019-12-20 | 2019-12-20 | Cylindrical grinder work piece clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113001399A CN113001399A (en) | 2021-06-22 |
| CN113001399B true CN113001399B (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911327363.5A Active CN113001399B (en) | 2019-12-20 | 2019-12-20 | Cylindrical grinder work piece clamping device |
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| Country | Link |
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| CN (1) | CN113001399B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113579146B (en) * | 2021-08-11 | 2023-07-25 | 郴州华铖新材料科技有限公司 | Silver forging forming equipment |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5007682B2 (en) * | 2008-02-15 | 2012-08-22 | 信越半導体株式会社 | Cylindrical grinding apparatus and grinding method |
| CN203495479U (en) * | 2013-09-25 | 2014-03-26 | 长安大学 | Flexible positioning tool for welding milling rotor tool apron |
| CN104741629A (en) * | 2014-07-23 | 2015-07-01 | 汤子仁 | Special numerical control lathe |
| CN104400044A (en) * | 2014-11-24 | 2015-03-11 | 常州长江齿轮有限公司 | Non-stop rapid assembling chuck |
| DE102015211115B4 (en) * | 2015-06-17 | 2022-11-03 | Erwin Junker Maschinenfabrik Gmbh | Process and grinding machine for grinding the external and internal contours of workpieces in one setting |
| CN105382692B (en) * | 2015-12-15 | 2017-10-20 | 广东工业大学 | A kind of U-shaped thin-walled revolving meber is quickly felt relieved positioning clamping device |
| CN205519694U (en) * | 2016-04-14 | 2016-08-31 | 山西鑫钜重型机械制造有限公司 | Safe digit control machine tool |
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- 2019-12-20 CN CN201911327363.5A patent/CN113001399B/en active Active
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| CN113001399A (en) | 2021-06-22 |
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Denomination of invention: A workpiece clamping device for cylindrical grinding machines Effective date of registration: 20231110 Granted publication date: 20220830 Pledgee: Zhejiang Deqing Rural Commercial Bank Co.,Ltd. leidian sub branch Pledgor: HUZHOU MINGHAO MACHINERY Co.,Ltd. Registration number: Y2023980064827 |