CN114309794B - CNC pole clamping tool - Google Patents
CNC pole clamping tool Download PDFInfo
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- CN114309794B CN114309794B CN202210039868.7A CN202210039868A CN114309794B CN 114309794 B CN114309794 B CN 114309794B CN 202210039868 A CN202210039868 A CN 202210039868A CN 114309794 B CN114309794 B CN 114309794B
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Abstract
The invention belongs to the technical field of machining, and particularly relates to a CNC round bar clamping jig which comprises a bottom plate, a support plate and a top plate which are fixedly connected in sequence; a lifting plate is arranged between the bottom plate and the top plate, and a driving mechanism for driving the lifting plate to do vertical linear motion is arranged on the bottom plate; the top plate is provided with a plurality of through holes for inserting round rods, and the lifting plate is provided with a plurality of supporting seats corresponding to the through holes; and the top plate is provided with a clamping mechanism for clamping the round bar. The invention can load a plurality of round bars at one time, and can synchronously feed the round bars for a set length, thereby ensuring the sawing precision. Under grip block and spacing fixture block combined action, can firmly the centre gripping with the pole, avoid the pole to take place to rock when saw cutting, also can avoid the pole to extrude the roof simultaneously, lead to the roof to damage or deformation to make supporting seat and through-hole can't align, influence follow-up pole and feed.
Description
Technical Field
The invention belongs to the technical field of machining, and particularly relates to a CNC round bar clamping jig.
Background
In metal cutting machining, the bar often needs to be first sawed by a sawing machine before further machining. However, most of the existing sawing machines adopt flat tongs, only one round bar or pipe can be processed by one-time clamping, and a plurality of round bars or round pipes can not be processed by one-time clamping, so that the production efficiency is limited to a certain extent; meanwhile, the flat tongs are not firm in clamping, and the round bar or the pipe can shake during sawing, so that the service life of a band saw blade and the flatness of the end face of the round bar after sawing are influenced; and a plurality of round bars can not be fed accurately during processing, so that the sawing length of the round bars is not accurate enough.
Disclosure of Invention
Aiming at the defects, the invention aims to provide a CNC round bar clamping jig.
The invention provides the following technical scheme:
a CNC round bar clamping jig comprises a bottom plate, a support plate and a top plate which are fixedly connected in sequence; a lifting plate is arranged between the bottom plate and the top plate, and a driving mechanism for driving the lifting plate to do vertical linear motion is arranged on the bottom plate;
the top plate is provided with a plurality of through holes for inserting round rods, and the lifting plate is provided with a plurality of supporting seats corresponding to the through holes;
and the top plate is provided with a clamping mechanism for clamping the round bar.
The driving mechanism comprises a screw rod which is rotatably arranged between the bottom plate and the top plate, and the lower end of the screw rod is fixedly connected with a first synchronous belt pulley; the screw rod is provided with a nut pair, and the nut pair is fixedly connected with the lifting plate;
the driving mechanism further comprises a motor, a motor shaft of the motor is fixedly connected with a second synchronous belt wheel, and a synchronous belt is connected between the first synchronous belt wheel and the second synchronous belt wheel.
And the bottom plate is also provided with an adjusting mechanism for adjusting the tensity of the synchronous belt.
The adjusting mechanism comprises an adjusting seat fixedly connected to one side of the bottom plate, a sliding seat is slidably mounted on the adjusting seat, and the motor is fixedly connected to the sliding seat; a first waist-shaped hole for allowing the motor shaft to pass through is formed in the adjusting seat;
the adjustment mechanism further comprises a locking assembly for locking the sliding seat.
A pair of waist-shaped holes II is formed in the sliding seat, and a plurality of threaded holes are formed in the bottom plate corresponding to the waist-shaped holes II;
the locking assembly is a screw arranged in the threaded hole and the second kidney-shaped hole.
The driving mechanism further comprises sliding blocks arranged on two sides of the lifting plate, and the sliding blocks are arranged on vertical sliding rails arranged on the supporting plate;
the driving mechanism further comprises a guide post fixedly connected between the bottom plate and the top plate, and a guide hole allowing the guide post to penetrate is formed in the lifting plate.
The clamping mechanism comprises a plurality of air cylinders which are fixedly connected to the lower end of the top plate and correspond to the through holes, one end of a piston rod of each air cylinder is fixedly connected with a jacking block, and the jacking blocks can be vertically and slidably arranged in the through grooves formed in the top plate;
the clamping mechanism also comprises a clamping block which is arranged at the upper end of the top plate in a transverse sliding manner, and a U-shaped cover which limits the clamping block to only slide transversely is arranged on the top plate;
the clamping block is provided with an arc-shaped surface at one end close to the round bar, the other end of the clamping block is provided with an inclined surface, and one end of the jacking block is provided with a coupling surface coupled with the inclined surface.
And the upper end of the clamping block is provided with a limiting step surface.
A limiting fixture block is fixedly connected to the upper end of the top plate in the middle, and a plurality of arc-shaped grooves are formed in the two sides of the limiting fixture block corresponding to the through holes; the upper edges of two sides of the limiting clamping block are also provided with limiting grooves; and a limiting bulge is arranged on the upper edge of one end, close to the round rod, of the clamping block.
The invention has the beneficial effects that:
the invention can load a plurality of round bars at one time, and can synchronously feed the round bars for a set length, thereby ensuring the sawing precision. Under grip block and spacing fixture block combined action, can firmly centre gripping the pole, avoid the pole to take place to rock when saw cutting, also can avoid the pole to extrude the roof simultaneously, lead to the roof to damage or deformation to make supporting seat and through-hole can't align, influence follow-up pole and feed.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 isbase:Sub>A sectional view taken along line A-A of FIG. 2;
FIG. 4 is an enlarged view at A in FIG. 3;
FIG. 5 is a perspective view of the present invention;
FIG. 6 is an enlarged view at B in FIG. 5;
FIG. 7 is an enlarged view at C of FIG. 5;
FIG. 8 is a schematic view of the clamp block and the ejector block connection;
FIG. 9 is a schematic view of a motor installation;
FIG. 10 is a schematic view of a stop block installation;
FIG. 11 is a schematic view of the installation of a primary synchronous pulley and a secondary synchronous pulley;
fig. 12 is a schematic view of a slide mount installation.
Labeled as: the lifting device comprises a lifting plate 103, a limiting block 104, a nut pair 105, a screw rod 106, a supporting seat 107, a bottom plate 108, a supporting plate 109, a top plate 110, a limiting fixture block 111, a round rod 112, a U-shaped cover 113, a limiting groove 114, a sliding block 115, a vertical sliding rail 116, a guide post 117, a bolt 201, an adjusting seat 202, a sliding seat 203, a protective cover 204, a motor 205, a first kidney-shaped hole 206, a second synchronous pulley 207, a first synchronous pulley 208, a threaded hole 209, a second kidney-shaped hole 210, an air cylinder 301, a piston rod 302, a jacking block 303, a clamping block 304, a limiting step surface 305, a limiting protrusion 306, an inclined surface 307 and a coupling surface 308.
Detailed Description
As shown in the figure, the CNC round bar clamping jig comprises a bottom plate 108, a pair of support plates 109 are fixedly installed on two sides of the upper end of the bottom plate 108, and a top plate 110 is fixedly installed on the upper ends of the support plates 109. A lifting plate 103 is arranged between a bottom plate 108 and a top plate 110, and a driving mechanism is arranged on the bottom plate 108 and can drive the lifting plate 103 to do vertical linear motion. Specifically, the driving mechanism comprises a screw rod 106 rotatably mounted between a bottom plate 108 and a top plate 110, the upper end of the screw rod 106 is mounted in a bearing arranged on the top plate 110, the lower end of the screw rod 106 penetrates through the bearing arranged on the bottom plate 108 and extends to the lower part of the bottom plate 108, and a first synchronous pulley 208 is fixedly mounted at one end of the screw rod 106 extending to the lower part of the bottom plate 108. The screw rod 106 is also provided with a nut pair 105, and the nut pair 105 is fixedly connected with the lifting plate 103. When the screw rod 106 rotates, the nut pair 105 can make a vertical linear motion together with the lifting plate 103. The upper end of the bottom plate 108 is also provided with a stopper 104, and when the lifting plate 103 moves downwards to be in contact with the stopper 104, the lifting plate cannot move continuously.
The driving mechanism further comprises a motor 205, the motor 205 is covered by the protective cover 204, a second synchronous pulley 207 is fixedly installed on a motor shaft of the motor 205, and a synchronous belt is connected between the first synchronous pulley 208 and the second synchronous pulley 207. The motor 205 is activated to rotate the lead screw 106.
The bottom plate 108 is also provided with an adjusting mechanism for adjusting the tension degree of the synchronous belt. Specifically, the adjusting mechanism comprises an adjusting seat 202 fixedly connected to one side of the bottom plate 108, a sliding seat 203 is slidably mounted on the adjusting seat 202, a motor 205 is fixedly mounted on the sliding seat 203, and a first kidney-shaped hole 206 for allowing a motor shaft to penetrate is formed in the adjusting seat 202. The bolt 201 is fixedly arranged on the sliding seat 203, and the tension of the synchronous belt can be adjusted by moving the sliding seat 203.
The adjusting mechanism further comprises a locking assembly for locking the sliding seat 203, and after the sliding seat 203 is moved to a proper position, the sliding seat 203 is fixed by the locking assembly. Specifically, a pair of second waist-shaped holes 210 is formed in the sliding seat 203, a plurality of threaded holes 209 are formed in the bottom plate 108 corresponding to the second waist-shaped holes 210, the locking components are screws installed in the threaded holes 209 and the second waist-shaped holes 210, and the screws are tightened when the sliding seat 203 needs to be locked.
The driving mechanism further comprises sliding blocks 115 mounted on two sides of the lifting plate 103, and the sliding blocks 115 are mounted on vertical sliding rails 116 mounted on the supporting plate 109. The driving mechanism further comprises a guide post 117 fixedly installed between the bottom plate 108 and the top plate 110, and a guide hole for the guide post 117 to pass through is installed on the lifting plate 103. Through the arrangement of the vertical slide rail 116 and the guide post 117, the stability of the lifting plate 103 during vertical movement can be improved.
The top plate 110 is provided with a plurality of through holes for inserting the round rods 112, the lifting plate 103 is provided with a plurality of supporting seats 107 corresponding to the through holes, the round rods 112 are inserted into the through holes, the lower ends of the round rods 112 are arranged on the supporting seats 107, and the lifting plate 103 can support the round rods 112 to move together when moving.
The top plate 110 is provided with a clamping mechanism for clamping the round bar 112. Specifically, the clamping mechanism includes a plurality of air cylinders 301 fixedly connected to the lower end of the top plate 110 and corresponding to the through holes, one end of a piston rod 302 of each air cylinder 301 is fixedly connected with a pushing block 303, and the pushing blocks 303 are vertically slidably disposed in the through grooves formed in the top plate 110. The clamping mechanism further comprises a clamping block 304 mounted on the upper end of the top plate 110 in a transversely slidable manner, and a U-shaped cover 113 mounted on the top plate 110 for limiting the transverse sliding movement of the clamping block 304. One end of the clamping block 304 close to the round rod 112 is provided with an arc-shaped surface, the other end of the clamping block 304 is provided with an inclined surface 307, and one end of the pushing block 303 is provided with a coupling surface 308 coupled with the inclined surface 307. When the piston rod 302 drives the pushing block 303 to move downward, the pushing block 303 can push the clamping block 304 to move toward the round bar 112. A limiting clamping block 111 is fixedly connected to the upper end of the top plate 110 in the middle, and a plurality of arc-shaped grooves are formed in the two sides of the limiting clamping block 111 corresponding to the through holes. Under the combined action of the clamping block 304 and the limiting fixture block 111, the round rod 112 can be clamped. When the round rod 112 needs to be loosened, the piston rod 302 drives the pushing block 303 to move upwards, so that the pushing block 303 is not attached to the clamping block 304 any more.
The upper edges of both sides of the limiting block 111 are further provided with a limiting groove 114, and the upper edge of one end of the clamping block 304 close to the round rod 112 is provided with a limiting protrusion 306, so that the clamping block 304 is prevented from moving excessively. The upper end of the clamping block 304 is provided with a limiting step surface 305, when the pushing block 303 is not attached to the clamping block 304 any more, and the round bar 112 is fed upwards, the round bar 112 can push the clamping block 304 to move towards the pushing block 303, and when the limiting step surface 305 is abutted to the U-shaped cover 113, the clamping block 304 cannot move continuously.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A CNC round bar clamping jig comprises a bottom plate (108), a support plate (109) and a top plate (110) which are fixedly connected in sequence; the method is characterized in that: a lifting plate (103) is arranged between the bottom plate (108) and the top plate (110), and a driving mechanism for driving the lifting plate (103) to do vertical linear motion is installed on the bottom plate (108);
a plurality of through holes for inserting round rods (112) are formed in the top plate (110), and a plurality of supporting seats (107) corresponding to the through holes are arranged on the lifting plate (103);
a clamping mechanism for clamping a round bar (112) is arranged on the top plate (110);
the clamping mechanism comprises a plurality of air cylinders (301) which are fixedly connected to the lower end of the top plate (110) and correspond to the through holes, one end of a piston rod (302) of each air cylinder (301) is fixedly connected with a jacking block (303), and the jacking blocks (303) can be vertically and slidably arranged in through grooves formed in the top plate (110);
the clamping mechanism further comprises a clamping block (304) which is arranged at the upper end of the top plate (110) in a transverse sliding mode, and a U-shaped cover (113) which limits the clamping block (304) to only slide transversely is arranged on the top plate (110);
one end of the clamping block (304) close to the round rod (112) is provided with an arc-shaped surface, the other end of the clamping block (304) is provided with an inclined surface (307), and one end of the jacking block (303) is provided with a coupling surface (308) coupled with the inclined surface (307);
the upper end of the clamping block (304) is provided with a limiting step surface (305);
a limiting clamping block (111) is fixedly connected to the upper end of the top plate (110) in the middle, and a plurality of arc-shaped grooves are formed in the two sides of the limiting clamping block (111) corresponding to the through holes; the upper edges of two sides of the limiting fixture block (111) are also provided with limiting grooves (114); the upper edge of one end of the clamping block (304) close to the round rod (112) is provided with a limiting bulge (306).
2. The CNC round bar clamping jig of claim 1, characterized in that: the driving mechanism comprises a screw rod (106) which is rotatably arranged between a bottom plate (108) and a top plate (110), and the lower end of the screw rod (106) is fixedly connected with a first synchronous pulley (208); a nut pair (105) is arranged on the screw rod (106), and the nut pair (105) is fixedly connected with the lifting plate (103);
the driving mechanism further comprises a motor (205), a second synchronous pulley (207) is fixedly connected to a motor shaft of the motor (205), and a synchronous belt is connected between the first synchronous pulley (208) and the second synchronous pulley (207).
3. The CNC round bar clamping jig of claim 2, characterized in that: and the bottom plate (108) is also provided with an adjusting mechanism for adjusting the tensity of the synchronous belt.
4. The CNC round bar clamping jig of claim 3, characterized in that: the adjusting mechanism comprises an adjusting seat (202) fixedly connected to one side of the bottom plate (108), a sliding seat (203) is slidably mounted on the adjusting seat (202), and the motor (205) is fixedly connected to the sliding seat (203); a first waist-shaped hole (206) for allowing a motor shaft to pass through is formed in the adjusting seat (202);
the adjustment mechanism further comprises a locking assembly for locking the sliding seat (203).
5. The CNC round bar clamping jig of claim 4, characterized in that: a pair of waist-shaped holes II (210) are formed in the sliding seat (203), and a plurality of threaded holes (209) are formed in the bottom plate (108) corresponding to the waist-shaped holes II (210);
the locking component is a screw which is arranged in the threaded hole (209) and the second kidney-shaped hole (210).
6. The CNC round bar clamping jig of claim 2, characterized in that: the driving mechanism further comprises sliding blocks (115) arranged on two sides of the lifting plate (103), and the sliding blocks (115) are arranged on vertical sliding rails (116) arranged on the support plate (109);
the driving mechanism further comprises a guide post (117) fixedly connected between the bottom plate (108) and the top plate (110), and a guide hole for the guide post (117) to penetrate through is arranged on the lifting plate (103).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210039868.7A CN114309794B (en) | 2022-01-14 | 2022-01-14 | CNC pole clamping tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210039868.7A CN114309794B (en) | 2022-01-14 | 2022-01-14 | CNC pole clamping tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114309794A CN114309794A (en) | 2022-04-12 |
| CN114309794B true CN114309794B (en) | 2022-10-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210039868.7A Active CN114309794B (en) | 2022-01-14 | 2022-01-14 | CNC pole clamping tool |
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| Country | Link |
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| CN (1) | CN114309794B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI822470B (en) * | 2022-11-17 | 2023-11-11 | 允坦科技股份有限公司 | Slide machining table structure with multiple working surfaces |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201702591U (en) * | 2010-05-07 | 2011-01-12 | 浙江吉利汽车有限公司 | Round bar fixture |
| CN205734017U (en) * | 2016-06-29 | 2016-11-30 | 东莞捷荣技术股份有限公司 | A kind of CNC tool of processing mobile phone metal back cover buckle |
| CN106312808B (en) * | 2016-08-31 | 2019-06-04 | 台州北平机床有限公司 | A kind of round bar fast-clamping clamp |
| CN206689512U (en) * | 2017-04-14 | 2017-12-01 | 秦皇岛市军之友装具有限公司 | A kind of more metal pipe material cutting machines of high efficiency low dust |
| CN207087402U (en) * | 2017-08-21 | 2018-03-13 | 深圳市永达康精密科技有限公司 | A kind of work piece holder |
| CN108705337B (en) * | 2018-06-15 | 2023-07-21 | 昆山科森科技股份有限公司 | Clamping jig capable of automatically feeding |
| CN109514327B (en) * | 2018-12-27 | 2024-04-26 | 天津爱码信自动化技术有限公司 | Jig |
| CN210756558U (en) * | 2019-11-04 | 2020-06-16 | 浙江合诺机械有限公司 | Clamp for machining circular tube end face grooving by sawing machine |
| CN110814652A (en) * | 2019-11-14 | 2020-02-21 | 芜湖新兴铸管有限责任公司 | Multifunctional clamp for sawing machine and manufacturing method thereof |
| KR102146065B1 (en) * | 2020-03-20 | 2020-08-20 | (주)다은 | Steel bar cutting machine |
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2022
- 2022-01-14 CN CN202210039868.7A patent/CN114309794B/en active Active
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| CN114309794A (en) | 2022-04-12 |
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