CN109571260B - Quick center clamping mechanism - Google Patents
Quick center clamping mechanism Download PDFInfo
- Publication number
- CN109571260B CN109571260B CN201910022106.4A CN201910022106A CN109571260B CN 109571260 B CN109571260 B CN 109571260B CN 201910022106 A CN201910022106 A CN 201910022106A CN 109571260 B CN109571260 B CN 109571260B
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- center
- positioning
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- sleeve
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- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000000034 method Methods 0.000 claims description 7
- 230000008569 process Effects 0.000 claims description 7
- 230000009471 action Effects 0.000 claims description 4
- 239000003292 glue Substances 0.000 claims description 2
- 238000003754 machining Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention discloses a quick center clamping mechanism which comprises a positioning bracket, wherein a working cavity is arranged in the positioning bracket, a center positioning device, a guide auxiliary device and a product guiding device are sequentially arranged in the working cavity from bottom to top, the center positioning device comprises a wedge mechanism, a center sleeve, a center and a positioning auxiliary sleeve, a center hole is vertically arranged in the center sleeve, a product positioning hole is vertically arranged in the positioning auxiliary sleeve, the wedge mechanism comprises a wedge, a cylinder support is detachably arranged at the right end of the wedge, a clamping cylinder device is detachably arranged on the cylinder support, a first guide inclined plane is arranged at the upper end of the wedge, a second guide inclined plane is arranged at the lower end of the center sleeve, a cylinder piston rod of the clamping cylinder device stretches to drive the wedge to slide left and right, and the wedge pushes the center to slide up and down. The technical scheme has reasonable structural design, simple structure, no need of manual correction, quick and accurate positioning, automatic positioning and clamping, and good practicability.
Description
Technical Field
The invention relates to the technical field of machining, in particular to a rapid center clamping mechanism.
Background
In the machining manufacturing process, the center positioning and clamping mechanism is widely applied to machining of shaft housing parts and is combined with a pneumatic or hydraulic mechanism to clamp the shaft housing parts, however, the existing center positioning and clamping mechanism has the defects that: the structure design is unreasonable, and under the condition of small center hole and high clamping speed, the condition that the center is difficult to enter the center hole to cause the center deflection is easy to occur; in order to avoid the phenomenon that the product is scrapped due to the top deviation of the product, a switch is usually operated by one hand, the manual correction is carried out by the other hand, the production efficiency and the safety production are seriously affected, and the practicability is poor.
Disclosure of Invention
Aiming at the defects existing in the prior art, the invention aims to provide the quick center clamping mechanism which has reasonable structural design, simple structure, no need of manual alignment, quick and accurate positioning and automatic positioning and clamping.
In order to achieve the above purpose, the present invention provides the following technical solutions: the quick center clamping mechanism comprises a positioning bracket, wherein a working cavity is arranged in the positioning bracket, a center positioning device, a guide auxiliary device and a product introduction device are sequentially arranged in the working cavity from bottom to top, the center positioning device comprises a wedge mechanism, a center sleeve, a center and a positioning auxiliary sleeve, the center sleeve is fixedly connected with the positioning auxiliary sleeve, a center hole is vertically arranged in the center sleeve, a product positioning hole is vertically arranged in the positioning auxiliary sleeve, and the vertical center line of the product positioning hole is mutually overlapped with the vertical center line of the center hole; the wedge mechanism comprises a wedge, the right end of the wedge is detachably provided with a cylinder support, the cylinder support is detachably provided with a clamping cylinder device, a cylinder piston rod of the clamping cylinder device is arranged leftwards, and the right end of the wedge is detachably connected with the cylinder piston rod of the clamping cylinder device; the upper end of the inclined wedge is provided with a first guide inclined plane, the lower end of the center sleeve is provided with a second guide inclined plane matched with the first guide inclined plane, and the second guide inclined plane of the center sleeve is propped against the first guide inclined plane; the lower end of the center is arranged in the center hole, the lower end face of the center is abutted against the first guide inclined plane, and the upper end of the center is positioned in the product positioning hole; and a cylinder piston rod of the clamping cylinder device stretches to drive the wedge to slide left and right, and the wedge pushes the center to slide up and down.
The invention is further provided with: the product positioning hole is internally provided with a product to be processed, the lower end face of the product to be processed is provided with a positioning hole, and the upper end of the center is inserted into the positioning hole.
The invention is further arranged to: the right-hand member of direction auxiliary device is provided with the product guide way, the product left end that waits to process is located the product guide way, top promotes and waits to process the product and slide from top to bottom along the product guide way.
The invention is further arranged to: the product leading-in device comprises a positioning sleeve, a guide opening is formed in the lower end of the positioning sleeve, a product limiting groove is formed in the position, located at the inner end of the guide opening, of the positioning sleeve, and the upper end of a product to be processed is located in the product limiting groove.
The invention is further arranged to: the center sleeve and the positioning auxiliary sleeve are connected into an integrated structure through bolts.
The invention is further arranged to: the guide auxiliary device is integrally arranged with the positioning support or is fixedly connected through a screw, and the opening of the product guide groove of the guide auxiliary device is arranged towards the right.
The invention is further arranged to: the product leading-in device and the positioning bracket are fixed through screw connection or welded or glued and fixed.
The invention is further arranged to: the cylinder support is fixedly connected with the positioning support through screws, and the clamping cylinder device is fixedly connected with the cylinder support through screws.
The invention has the advantages that: compared with the prior art, the structure is more reasonable, the product to be processed is placed in the center positioning device, meanwhile, the product is aligned to the product guide groove of the guide auxiliary device, manual guide is not needed, the cylinder piston rod of the clamping cylinder device stretches to drive the inclined wedge to slide left and right, the inclined wedge pushes the center to slide up and down, the center pushes the product to be processed to slide up and down along the product guide groove, the product to be processed is automatically positioned and clamped under the guide of the positioning sleeve of the product guiding device, and the product to be processed is positioned and clamped; has the effect of 'putting hands out' regardless. The structure design is reasonable, the structure is simple, manual alignment is not needed, the positioning is quick and accurate, and the practicability is good.
The invention is further described below with reference to the drawings and specific examples.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is a schematic cross-sectional view of A-A of FIG. 1;
FIG. 3 is an enlarged schematic view of section I of FIG. 1;
FIG. 4 is a schematic cross-sectional view of a positioning aid sleeve according to an embodiment of the invention;
FIG. 5 is a schematic partial cross-sectional view of a cam mechanism according to an embodiment of the present invention.
Detailed Description
In the description of the present embodiment, it should be noted that, if terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "front", "rear", and the like are presented, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, only for convenience of describing the present invention and simplifying the description, and does not indicate or imply that the indicated apparatus or element must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like, as used herein, are used for descriptive purposes only and are not to be construed as indicating or implying any relative importance.
Referring to fig. 1, 2, 3, 4 and 5, the quick center clamping mechanism disclosed by the invention comprises a positioning bracket 1, wherein a working cavity 11 is arranged in the positioning bracket 1, a center positioning device 2, a guide auxiliary device 3 and a product introduction device 4 are sequentially arranged in the working cavity 11 from bottom to top, the center positioning device 2 comprises a wedge mechanism 21, a center sleeve 22, a center 23 and a positioning auxiliary sleeve 24, the center sleeve 22 is fixedly connected with the positioning auxiliary sleeve 24, a center hole 221 is vertically arranged in the center sleeve 22, a product positioning hole 241 is vertically arranged in the positioning auxiliary sleeve 24, and the vertical center line of the product positioning hole 241 and the vertical center line of the center hole 221 are mutually overlapped; the wedge mechanism 21 comprises a wedge 211, a cylinder support 5 is detachably arranged at the right end of the wedge 211, a clamping cylinder device 6 is detachably arranged on the cylinder support 5, a cylinder piston rod of the clamping cylinder device 6 is arranged towards the left, and the right end of the wedge 211 is detachably connected with the cylinder piston rod of the clamping cylinder device 6; the upper end of the inclined wedge 211 is provided with a first guide inclined plane 212, the lower end of the tip sleeve 22 is provided with a second guide inclined plane 222 matched with the first guide inclined plane 212, and the second guide inclined plane 222 of the tip sleeve 22 is propped against the first guide inclined plane 212; the lower end of the center 23 is arranged in the center hole 221, the lower end surface of the center 23 is abutted against the first guide inclined plane 212, and the upper end of the center 23 is positioned in the product positioning hole 241; the cylinder piston rod of the clamping cylinder device 6 stretches to drive the inclined wedge 211 to slide left and right, and the inclined wedge 211 pushes the center 23 to slide up and down.
Preferably, a threaded hole is formed in the right end face of the wedge 211, a threaded connection portion is formed in the left end of the cylinder piston rod of the clamping cylinder device 6, and the cylinder piston rod of the clamping cylinder device 6 is in threaded connection with the threaded hole in the right end face of the wedge 211 through the threaded connection portion, or the wedge 211 is welded and fixed with the cylinder piston rod of the clamping cylinder device 6. The positioning auxiliary sleeve 24 is arranged at the upper end of the center sleeve 22.
As shown in fig. 5, a bracket bottom plate 10 is fixedly arranged at the bottom of the positioning bracket 1 in the embodiment, a guide pin 8 is further arranged in a working cavity 11 of the positioning bracket 1, and the guide pin 8 is fixed with the bracket bottom plate 10; the inclined wedge 211 is provided with two rectangular guide grooves 2110, and slides along the movement direction of the cylinder piston rod of the clamping cylinder device 6 under the action of the guide pin 8, and the inclined wedge 211 slides left and right along the movement direction of the cylinder piston rod of the clamping cylinder device 6 under the action of the guide pin 8 in the embodiment; two guide holes 220 are formed in the tip sleeve 22, and the tip sleeve 22 can slide up and down along the guide pin 8. The guide pins 8 are fixed with the bracket bottom plate 10 through threaded connection or through welding. The bottom of the positioning bracket 1 is fixedly connected with the bracket bottom plate 10 through bolts or fixedly welded.
In order to make the structural arrangement of the present invention more reasonable, as a preferred embodiment, the product to be processed 7 is disposed in the product positioning hole 241, a positioning hole 71 is disposed on the lower end surface of the product to be processed 7, and the upper end of the center 23 is inserted into the positioning hole 71.
The right-hand member of direction auxiliary device 3 is provided with product guide slot 31, the left end of waiting to process product 7 is located product guide slot 31, top 23 promotes waiting to process product 7 and reciprocates along product guide slot 31.
The product guiding device 4 comprises a positioning sleeve 41, a guide opening 411 is formed in the lower end of the positioning sleeve 41, a product limiting groove 412 is formed in the position, located at the inner end of the guide opening 411, of the positioning sleeve 4, and the upper end of a product 7 to be processed is located in the product limiting groove 412.
Preferably, the vertical center lines of the positioning sleeve 41, the positioning hole 71, the center 23, the product positioning hole 241 and the center hole 221 coincide with each other.
The center sleeve 22 and the positioning auxiliary sleeve 24 are connected into a whole structure through bolts.
The guide auxiliary device 3 is integrally arranged with the positioning bracket 1 or is fixedly connected through a screw, and the opening of the product guide groove 31 of the guide auxiliary device 3 is arranged towards the right. Preferably, the product guide grooves 31 are limited in rotation on both sides of the product 7 to be processed, and the bottoms of the product guide grooves 31 are in contact with a large plane of the product 7 to be processed to guide upward movement of the product 7 to be processed.
The product leading-in device 4 and the positioning bracket 1 are fixed through screw connection or welding or bonding through glue.
The cylinder support 5 is fixedly connected with the positioning support 1 through screws, and the clamping cylinder device 6 is fixedly connected with the cylinder support 5 through screws.
During practical application, the principle that the outer circle of a product to be processed is concentric with the center hole is utilized, a positioning auxiliary sleeve slightly larger than the outer circle of the product is designed outside the center, the product to be processed is placed in the positioning auxiliary sleeve, the outer circle of the product to be processed is positioned by the product positioning hole, the positioning hole of the product to be processed can be automatically sleeved into the center, the center is concentric with the center process, the center can slide relative to the center, the center pushes the product to be processed to move upwards under the action of the wedge, and the specific working principle is that: the product to be processed is placed in the center positioning device, meanwhile, the product to be processed is aligned to the product guide groove of the guide auxiliary device, manual guide is not needed, a cylinder piston rod of the clamping cylinder device stretches and contracts to drive the inclined wedge to slide left and right, the inclined wedge pushes the center to slide up and down, the center pushes the product to be processed to slide up and down along the product guide groove, the product to be processed is automatically positioned and clamped under the guide of the positioning sleeve of the product guide device, and the product to be processed is positioned and clamped; has the effect of 'putting hands out' regardless. The structure design is reasonable, the structure is simple, manual alignment is not needed, the positioning is quick and accurate, and the practicability is good.
The foregoing embodiments are provided for further explanation of the present invention and are not to be construed as limiting the scope of the present invention, and some insubstantial modifications and variations of the present invention, which are within the scope of the invention, will be suggested to those skilled in the art in light of the foregoing teachings.
Claims (8)
1. The utility model provides a quick top clamping mechanism, includes locating support (1), its characterized in that: the positioning support is characterized in that a working cavity (11) is arranged in the positioning support (1), a center positioning device (2), a guide auxiliary device (3) and a product leading-in device (4) are sequentially arranged in the working cavity (11) from bottom to top, the center positioning device (2) comprises a wedge mechanism (21), a center sleeve (22), a center (23) and a positioning auxiliary sleeve (24), the center sleeve (22) is fixedly connected with the positioning auxiliary sleeve (24), a center hole (221) is vertically arranged in the center sleeve (22), a product positioning hole (241) is vertically arranged in the positioning auxiliary sleeve (24), and the vertical center line of the product positioning hole (241) and the vertical center line of the center hole (221) are mutually overlapped; the wedge mechanism (21) comprises a wedge (211), a cylinder support (5) is detachably arranged at the right end of the wedge (211), a clamping cylinder device (6) is detachably arranged on the cylinder support (5), a cylinder piston rod of the clamping cylinder device (6) is arranged leftwards, and the right end of the wedge (211) is detachably connected with the cylinder piston rod of the clamping cylinder device (6); the upper end of the inclined wedge (211) is provided with a first guide inclined plane (212), the lower end of the tip sleeve (22) is provided with a second guide inclined plane (222) matched with the first guide inclined plane (212), and the second guide inclined plane (222) of the tip sleeve (22) is propped against the first guide inclined plane (212); the lower end of the center (23) is arranged in the center hole (221), the lower end face of the center (23) is abutted against the first guide inclined plane (212), and the upper end of the center (23) is positioned in the product positioning hole (241); the wedge (211) pushes the center (23) to slide up and down;
a support bottom plate (10) is fixedly arranged at the bottom of the positioning support (1), a guide pin (8) is further arranged in a working cavity (11) of the positioning support (1), and the guide pin (8) is fixed with the support bottom plate (10); the inclined wedge (211) is provided with two rectangular guide grooves (2110), and the inclined wedge (211) slides leftwards and rightwards along the movement direction of a cylinder piston rod of the clamping cylinder device (6) under the action of the guide pin (8); two guide holes (220) are formed in the center sleeve (22), and the center sleeve (22) slides up and down along the guide pin (8); the guide pin (8) is fixedly connected with the bracket bottom plate (10) through threads or fixedly welded; the bottom of the positioning bracket (1) is fixedly connected with the bracket bottom plate (10) through bolts or fixedly welded.
2. A quick tip clamping mechanism according to claim 1, wherein: the product positioning hole (241) is internally provided with a product (7) to be processed, the lower end face of the product (7) to be processed is provided with a positioning hole (71), and the upper end of the center (23) is inserted into the positioning hole (71).
3. A quick tip clamping mechanism according to claim 2, wherein: the right-hand member of direction auxiliary device (3) is provided with product guide slot (31), wait to process product (7) left end and be located product guide slot (31), top (23) promote wait to process product (7) and slide from top to bottom along product guide slot (31).
4. A quick tip clamping mechanism according to claim 3, wherein: the product guiding device (4) comprises a positioning sleeve (41), a guide opening (411) is formed in the lower end of the positioning sleeve (41), a product limiting groove (412) is formed in the inner end of the positioning sleeve (41) located at the guide opening (411), and the upper end of a product (7) to be processed is located in the product limiting groove (412).
5. A quick tip clamping mechanism according to claim 1, wherein: the center sleeve (22) and the positioning auxiliary sleeve (24) are connected into an integrated structure through bolts.
6. A quick tip clamping mechanism according to claim 1, wherein: the guide auxiliary device (3) and the positioning support (1) are integrally arranged or fixed through screw connection, and an opening of a product guide groove (31) of the guide auxiliary device (3) is arranged towards the right.
7. A quick tip clamping mechanism according to claim 1, wherein: the product leading-in device (4) and the positioning bracket (1) are fixedly connected through screws or fixedly welded or fixedly bonded through glue.
8. A quick tip clamping mechanism according to claim 1, wherein: the cylinder support (5) is fixedly connected with the positioning support (1) through screws, and the clamping cylinder device (6) is fixedly connected with the cylinder support (5) through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022106.4A CN109571260B (en) | 2019-01-10 | 2019-01-10 | Quick center clamping mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910022106.4A CN109571260B (en) | 2019-01-10 | 2019-01-10 | Quick center clamping mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109571260A CN109571260A (en) | 2019-04-05 |
| CN109571260B true CN109571260B (en) | 2024-01-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910022106.4A Active CN109571260B (en) | 2019-01-10 | 2019-01-10 | Quick center clamping mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109571260B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732574B (en) * | 2019-10-23 | 2021-04-02 | 安徽跨宇钢结构网架工程有限公司 | Steel sheet bending machine |
| CN114472727A (en) * | 2020-10-28 | 2022-05-13 | 富准精密模具(嘉善)有限公司 | Riveting device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231398Y (en) * | 2008-05-28 | 2009-05-06 | 南车石家庄车辆有限公司 | Freight truck wedge chucking tool |
| CN102909616A (en) * | 2012-11-01 | 2013-02-06 | 上海机床厂有限公司 | Automatic clamping device of cylindrical grinder work-piece |
| CN203401319U (en) * | 2013-08-13 | 2014-01-22 | 宁波勋辉电器有限公司 | Clamp structure of gearbox wedge framework |
| CN204235231U (en) * | 2014-11-25 | 2015-04-01 | 宁波市北仑区环港机械厂 | A kind of clamping device of external ball cage |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB605333A (en) * | 1945-07-27 | 1948-07-21 | Leslie Archibald Newcombe | Improvements in tool holders for use in the honing or sharpening of hand tools |
-
2019
- 2019-01-10 CN CN201910022106.4A patent/CN109571260B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201231398Y (en) * | 2008-05-28 | 2009-05-06 | 南车石家庄车辆有限公司 | Freight truck wedge chucking tool |
| CN102909616A (en) * | 2012-11-01 | 2013-02-06 | 上海机床厂有限公司 | Automatic clamping device of cylindrical grinder work-piece |
| CN203401319U (en) * | 2013-08-13 | 2014-01-22 | 宁波勋辉电器有限公司 | Clamp structure of gearbox wedge framework |
| CN204235231U (en) * | 2014-11-25 | 2015-04-01 | 宁波市北仑区环港机械厂 | A kind of clamping device of external ball cage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109571260A (en) | 2019-04-05 |
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