CN113770774B - Clamp holder for numerical control CNC (computerized numerical control) machining - Google Patents
Clamp holder for numerical control CNC (computerized numerical control) machining Download PDFInfo
- Publication number
- CN113770774B CN113770774B CN202110937263.5A CN202110937263A CN113770774B CN 113770774 B CN113770774 B CN 113770774B CN 202110937263 A CN202110937263 A CN 202110937263A CN 113770774 B CN113770774 B CN 113770774B
- Authority
- CN
- China
- Prior art keywords
- base
- grip block
- rack
- groove
- plate
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/04—Work clamping means using fluid means or a vacuum
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the field of numerical control CNC machining, in particular to a clamp holder for numerical control CNC machining, which comprises a base, wherein a gear is arranged in the base, a first rack and a second rack are respectively meshed with the bottom end and the upper end of the gear, second clamping mechanisms are respectively arranged on two sides of the upper end of the base, each second clamping mechanism comprises a pneumatic cylinder, and the end part of the pneumatic rod on each pneumatic cylinder is connected with a first longitudinal clamping plate and a second longitudinal clamping plate. When the buffer spring is used, a workpiece to be processed is horizontally placed at the upper end of the base, one end of the workpiece to be processed is clamped by the two first transverse clamping plates through the first clamping mechanism, and the buffer spring is in a compressed state, so that the side wall of the workpiece is protected to a certain extent; then drive pneumatic cylinder, first vertical grip block and second vertical grip block slide and set up between first horizontal grip block, treat the machined part other end and carry out the centre gripping, the cooperation of first vertical grip block and second vertical grip block has improved the stability of centre gripping.
Description
Technical Field
The invention relates to the field of numerical control CNC machining, in particular to a clamp for numerical control CNC machining.
Background
Compared with a common machine tool, the numerical control CNC machine tool has the following characteristics: the adaptability to the processing object is strong, the method is suitable for the single-piece production of products such as a die, and a proper processing method is provided for the manufacture of the die; the processing precision is high, and the stable processing quality is realized; the requirements on the quality of operators are higher, and the technical requirements on maintenance personnel are higher.
The fixture can be used in CNC processing, and current centre gripping apparatus mostly adopts the mode of location Kong Jiading position piece, and the locating hole is fixed a position the bottom of work piece, and the locating piece compresses tightly the upper end of work piece, and the drawback of this kind of centre gripping mode has:
1. the workpiece is required to be processed with positioning holes during rough machining, and the positioning holes of the workpieces with different sizes are different in position, so that the machining difficulty is increased;
2. the upper end of the workpiece is tightly pressed, the workpiece is manually screwed, so that the fatigue strength of operators is improved, the strength of rigid clamping is not well controlled, and the workpiece is easy to deform.
Based on the defects, a clamp holder for numerical control CNC machining is provided.
Disclosure of Invention
In order to solve the above-mentioned shortcomings in the background art, the present invention aims to provide a clamp for numerical control CNC machining.
The aim of the invention can be achieved by the following technical scheme:
the clamp holder for numerical control CNC machining comprises a base, wherein a gear is arranged in the base, a first rack and a second rack are respectively meshed with the bottom end and the upper end of the gear, a first positioning plate is fixed at the outer side end of the first rack, and a second positioning plate is fixed at the outer side end of the second rack;
the upper end both sides of base are provided with second fixture respectively, and second fixture includes the pneumatic cylinder, and the pneumatic rod tip on the pneumatic cylinder is connected with first vertical grip block and the vertical grip block of second, and the whole length of first vertical grip block and the vertical grip block of second can be adjusted.
Further, the upper end of base is opened and is the first spacing groove of T type that a plurality of horizontal settings are provided with the cavity in the inside of base, and the bottom one side of cavity is opened and is had first rectangle to lead to the groove, and the upper end opposite side of cavity is opened and is had the second rectangle to lead to the groove.
Further, the gear is rotatably arranged in the cavity and driven by a motor arranged outside the base, and the first rack and the second rack are respectively arranged in the first rectangular through groove and the second rectangular through groove in a sliding manner;
the outer side end of the first positioning plate is provided with a plurality of first positioning holes, the outer side end of the second positioning plate is provided with a plurality of second positioning holes, and the position, close to the side end, of the upper end of the base is fixed with a transverse supporting plate.
Further, the inner sides of the first locating plate and the second locating plate are respectively provided with a first clamping mechanism, the first clamping mechanisms comprise first transverse clamping plates arranged on the inner sides of the first locating plate and the second locating plate, through grooves in sliding fit with the supporting plates are formed in the bottoms of the first transverse clamping plates close to the two sides, and second limiting grooves in T shape are formed between the through grooves.
Further, the bottom of first horizontal grip block is provided with the first spacing post that is the T type, first spacing post and first spacing groove sliding fit, and the outside end of first horizontal grip block all is provided with the locating lever that all spacing slip set up with first locating hole, second locating hole, all overlaps on the locating lever and is equipped with buffer spring.
Further, the end of the air pressure rod is fixedly provided with a connecting rod, the connecting rod is fixedly connected with the first longitudinal clamping plate, both side ends of the first longitudinal clamping plate are provided with sliding grooves, the second longitudinal clamping plate is arranged in the first longitudinal clamping plate in a limiting sliding manner, and the outer end of the second longitudinal clamping plate is provided with a second limiting column in sliding fit with the second limiting groove.
The invention has the beneficial effects that:
when the buffer spring is used, a workpiece to be processed is horizontally placed at the upper end of the base, one end of the workpiece to be processed is clamped by the two first transverse clamping plates through the first clamping mechanism, and the buffer spring is in a compressed state, so that the side wall of the workpiece is protected to a certain extent;
then drive pneumatic cylinder, first vertical grip block and second vertical grip block slide and set up between first horizontal grip block, treat the machined part other end and carry out the centre gripping, the cooperation of first vertical grip block and second vertical grip block has improved the stability of centre gripping.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described, and it will be obvious to those skilled in the art that other drawings can be obtained according to these drawings without inventive effort;
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the base structure of the present invention;
FIG. 3 is a schematic view of the internal cross-section of the base of the present invention;
FIG. 4 is a schematic view of a first clamping mechanism according to the present invention;
fig. 5 is a schematic view of a second clamping mechanism according to the present invention.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
1-5, a holder for numerical control CNC processing comprises a base 1, wherein a gear 14 is arranged in the base 1, a first rack 15 and a second rack 16 are respectively meshed with the bottom end and the upper end of the gear 14, a first positioning plate 17 is fixed at the outer side end of the first rack 15, and a second positioning plate 18 is fixed at the outer side end of the second rack 16;
the upper end both sides of base 1 are provided with second fixture 3 respectively, and second fixture 3 includes pneumatic cylinder 31, and pneumatic rod 311 end connection on the pneumatic cylinder 31 has first vertical grip block 33 and second vertical grip block 34, and the whole length of first vertical grip block 33 and second vertical grip block 34 can be adjusted.
As shown in fig. 2-3, the upper end of the base 1 is provided with a plurality of T-shaped first limit grooves 10 which are transversely arranged, a cavity 13 is arranged in the base 1, one side of the bottom end of the cavity 13 is provided with a first rectangular through groove 11, and the other side of the upper end of the cavity 13 is provided with a second rectangular through groove 12.
The gear 14 is rotatably arranged in the cavity 13 and driven by a motor 141 arranged outside the base 1, the first rack 15 and the second rack 16 are respectively arranged in the first rectangular through groove 11 and the second rectangular through groove 12 in a sliding manner, the driving motor 141 is meshed with the gear and the rack, and the first rack 15 and the second rack 16 can be close to each other or far away from each other.
The outer side end of the first positioning plate 17 is provided with a plurality of first positioning holes 171, the outer side end of the second positioning plate 18 is provided with a plurality of second positioning holes 181, and the position, close to the side end, of the upper end of the base 1 is fixed with a transverse supporting plate 19.
As shown in fig. 1-4, the inner sides of the first positioning plate 17 and the second positioning plate 18 are respectively provided with a first clamping mechanism 2, the first clamping mechanism 2 comprises a first transverse clamping plate 21 arranged at the inner sides of the first positioning plate 17 and the second positioning plate 18, the bottom ends, close to two sides, of the first transverse clamping plate 21 are provided with through grooves 211 in sliding fit with the support plates 19, and second limiting grooves 212 in a T shape are arranged between the through grooves 211.
The bottom of first horizontal grip block 21 is provided with the first spacing post 22 that is the T type, first spacing post 22 and first spacing groove 10 sliding fit, and the outside end of first horizontal grip block 21 all is provided with the locating lever 23 that all limit sliding set up with first locating hole 171, second locating hole 181, all overlaps on the locating lever 23 and is equipped with buffer spring 24. During transverse clamping, the first rack 15 and the second rack 16 are close to each other, one end of a workpiece to be machined is clamped by the two first transverse clamping plates 21, and the buffer spring 24 is in a compressed state.
As shown in fig. 5, the end of the air pressure rod 311 is fixed with a connecting rod 32, the connecting rod 32 is fixedly connected with a first longitudinal clamping plate 33, both sides of the first longitudinal clamping plate 33 are provided with sliding grooves 331, a second longitudinal clamping plate 34 is arranged in the first longitudinal clamping plate 33 in a sliding manner, and the outer end of the second longitudinal clamping plate 34 is provided with a second limiting column 341 which is in sliding fit with the second limiting groove 212.
In the process of transverse clamping, when the first transverse clamping plates 21 are close, the second longitudinal clamping plates 34 are slidably arranged on the first longitudinal clamping plates 33, then the pneumatic cylinder 31 is driven, the other end of a workpiece to be machined is clamped by the first longitudinal clamping plates 33, and the clamping stability is improved by matching the first longitudinal clamping plates 33 with the second longitudinal clamping plates 34.
When the buffer spring is used, a workpiece to be processed is horizontally placed at the upper end of the base 1, one end of the workpiece to be processed is clamped by the two first transverse clamping plates 21 through the first clamping mechanism 2, and the buffer spring 24 is in a compressed state, so that the side wall of the workpiece to be processed is protected to a certain extent;
then the pneumatic cylinder 31 is driven, the first longitudinal clamping plate 33 and the second longitudinal clamping plate 34 are arranged between the first transverse clamping plates 21 in a sliding manner, the other end of the workpiece to be machined is clamped, and the clamping stability is improved due to the cooperation of the first longitudinal clamping plate 33 and the second longitudinal clamping plate 34.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims.
Claims (1)
1. The clamp for numerical control CNC machining comprises a base (1), and is characterized in that a gear (14) is arranged in the base (1), a first rack (15) and a second rack (16) are meshed with the bottom end and the upper end of the gear (14) respectively, a first positioning plate (17) is fixed at the outer side end of the first rack (15), and a second positioning plate (18) is fixed at the outer side end of the second rack (16);
the two sides of the upper end of the base (1) are respectively provided with a second clamping mechanism (3), the second clamping mechanism (3) comprises a pneumatic cylinder (31), the end part of a pneumatic rod (311) on the pneumatic cylinder (31) is connected with a first longitudinal clamping plate (33) and a second longitudinal clamping plate (34), and the integral length of the first longitudinal clamping plate (33) and the second longitudinal clamping plate (34) can be adjusted;
the upper end of the base (1) is provided with a plurality of transversely arranged T-shaped first limit grooves (10), a cavity (13) is arranged in the base (1), one side of the bottom end of the cavity (13) is provided with a first rectangular through groove (11), and the other side of the upper end of the cavity (13) is provided with a second rectangular through groove (12);
the gear (14) is rotatably arranged in the cavity (13) and driven by a motor (141) arranged outside the base (1), and the first rack (15) and the second rack (16) are respectively arranged in the first rectangular through groove (11) and the second rectangular through groove (12) in a sliding manner;
the outer side end of the first positioning plate (17) is provided with a plurality of first positioning holes (171), the outer side end of the second positioning plate (18) is provided with a plurality of second positioning holes (181), and the positions, close to the proximal end, of the upper end of the base (1) are respectively fixed with a transverse supporting plate (19);
the inner sides of the first positioning plate (17) and the second positioning plate (18) are respectively provided with a first clamping mechanism (2), the first clamping mechanisms (2) comprise first transverse clamping plates (21) arranged on the inner sides of the first positioning plate (17) and the second positioning plate (18), the bottoms of the two sides, close to the first transverse clamping plates (21), are provided with penetrating grooves (211) in sliding fit with the supporting plates (19), and second limiting grooves (212) in a T shape are formed between the penetrating grooves (211);
the bottom end of the first transverse clamping plate (21) is provided with a T-shaped first limit column (22), the first limit column (22) is matched with the first limit groove (10) in a sliding manner, the outer side end of the first transverse clamping plate (21) is provided with a locating rod (23) which is arranged in a limiting sliding manner with a first locating hole (171) and a second locating hole (181), and the locating rod (23) is sleeved with a buffer spring (24);
the pneumatic rod (311) end is fixed with connecting rod (32), connecting rod (32) and first vertical grip block (33) fixed connection, and sliding groove (331) have all been opened to the both sides end of first vertical grip block (33), and second vertical grip block (34) are spacing to slide to be set up in first vertical grip block (33), and the outer end of second vertical grip block (34) all is provided with second spacing post (341) with second spacing groove (212) sliding fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937263.5A CN113770774B (en) | 2021-08-16 | 2021-08-16 | Clamp holder for numerical control CNC (computerized numerical control) machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110937263.5A CN113770774B (en) | 2021-08-16 | 2021-08-16 | Clamp holder for numerical control CNC (computerized numerical control) machining |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113770774A CN113770774A (en) | 2021-12-10 |
| CN113770774B true CN113770774B (en) | 2024-03-26 |
Family
ID=78837910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110937263.5A Active CN113770774B (en) | 2021-08-16 | 2021-08-16 | Clamp holder for numerical control CNC (computerized numerical control) machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113770774B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115199895A (en) * | 2022-08-02 | 2022-10-18 | 合肥中科九衡科技有限公司 | A vehicle-mounted pan-tilt scanning methane detector fixing device |
| CN116499337B (en) * | 2023-06-28 | 2023-09-08 | 西安航锦机械制造有限责任公司 | Frock is used in measurement of aviation auxiliary material product |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000176765A (en) * | 1998-12-10 | 2000-06-27 | Isami Tanaka | Work clamping device |
| CN205271249U (en) * | 2015-11-19 | 2016-06-01 | 海克力斯（上海）自动化设备有限公司 | Heat exchanger welds frock |
| CN205465854U (en) * | 2016-04-01 | 2016-08-17 | 青岛科技大学 | Installation device is assisted to V type anchor clamps |
| CN105904388A (en) * | 2016-06-08 | 2016-08-31 | 东风设计研究院有限公司 | Fast clamping positioner |
| CN208557268U (en) * | 2018-07-19 | 2019-03-01 | 珠海格力智能装备有限公司 | Positioning mechanism |
| CN110450078A (en) * | 2019-09-12 | 2019-11-15 | 中山英诺莱比智能科技有限公司 | Correction agency |
| CN211072368U (en) * | 2019-06-28 | 2020-07-24 | 扬州市职业大学(扬州市广播电视大学) | Box centering anchor clamps |
| CN211136863U (en) * | 2019-10-09 | 2020-07-31 | 南京泰克尔曼电子有限公司 | Positioning device for processing patch type L ED |
| CN113146512A (en) * | 2021-05-10 | 2021-07-23 | 周劲松 | Novel flat panel display detection clamping and positioning line connecting clamp |
-
2021
- 2021-08-16 CN CN202110937263.5A patent/CN113770774B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000176765A (en) * | 1998-12-10 | 2000-06-27 | Isami Tanaka | Work clamping device |
| CN205271249U (en) * | 2015-11-19 | 2016-06-01 | 海克力斯（上海）自动化设备有限公司 | Heat exchanger welds frock |
| CN205465854U (en) * | 2016-04-01 | 2016-08-17 | 青岛科技大学 | Installation device is assisted to V type anchor clamps |
| CN105904388A (en) * | 2016-06-08 | 2016-08-31 | 东风设计研究院有限公司 | Fast clamping positioner |
| CN208557268U (en) * | 2018-07-19 | 2019-03-01 | 珠海格力智能装备有限公司 | Positioning mechanism |
| CN211072368U (en) * | 2019-06-28 | 2020-07-24 | 扬州市职业大学(扬州市广播电视大学) | Box centering anchor clamps |
| CN110450078A (en) * | 2019-09-12 | 2019-11-15 | 中山英诺莱比智能科技有限公司 | Correction agency |
| CN211136863U (en) * | 2019-10-09 | 2020-07-31 | 南京泰克尔曼电子有限公司 | Positioning device for processing patch type L ED |
| CN113146512A (en) * | 2021-05-10 | 2021-07-23 | 周劲松 | Novel flat panel display detection clamping and positioning line connecting clamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113770774A (en) | 2021-12-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204770786U (en) | Six main shafts bore boring combined machine tool | |
| CN204771765U (en) | Automobile -used clamping device of hydraulic cylinder cylinder end | |
| CN104475768B (en) | It is automatically obtained part to have turned around the precise numerical control machine of its two-sided processing | |
| CN113770774B (en) | Clamp holder for numerical control CNC (computerized numerical control) machining | |
| CN103056693A (en) | Work fixture for machining inner cavities and joint closing surfaces of glass molds | |
| CN105108536A (en) | Multiple workpiece processing clamp | |
| CN204487223U (en) | Processing line rail multistation self-alignment cramping arrangement attacked by brill | |
| CN210755255U (en) | Numerical control single-end boring machine tool | |
| CN211517130U (en) | Automatic clamping manipulator | |
| CN212762325U (en) | Robot machining accessory tool clamp | |
| CN213729759U (en) | A frock for cnc engraving and milling machine | |
| CN214603245U (en) | A clamping device for multi-axis machining of special-shaped thin-walled sleeves | |
| CN203092196U (en) | Work fixture used for machining of inner cavity and joint close surface of glass mold | |
| CN202240440U (en) | Pneumatic double-end chamfering machine | |
| CN211803620U (en) | Forging device | |
| CN204486890U (en) | Ordinary gantry planer inner arc shaping device | |
| CN208681038U (en) | A kind of pump type Crankshaft Machining center keyseat clamp | |
| CN222520636U (en) | Carbon fiber gas cylinder frock mould | |
| CN216324373U (en) | Hardware processing's dog-ear device | |
| CN107081622B (en) | Quick positioning and clamping device for automobile rear axle shell drill and tapping vent hole | |
| CN212977546U (en) | Powerful clamping machine tool fixture for cylindrical workpieces | |
| CN220838848U (en) | Assembly machine suitable for assembling shoe mold workpiece and clamp | |
| CN213614652U (en) | Positioning device for linear cutting machine | |
| CN215658023U (en) | Guide frame mounting plate adds clamping apparatus | |
| CN222345262U (en) | V-shaped flat tongs |
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 |