CN211803881U

CN211803881U - Electric chuck with clamping force capable of being automatically adjusted

Info

Publication number: CN211803881U
Application number: CN201922498560.5U
Authority: CN
Inventors: 毛国强; 崔石磊; 李晶
Original assignee: Guangdong Shangyun Laser Technology Co ltd
Current assignee: Guangdong Shangyun Laser Technology Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-10-30
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to an electric chuck technical field especially relates to a but clamping-force automatically regulated's electric chuck, including electric chuck, grip block, fly leaf, first push rod, second push rod, activity head and buffer spring, grip block swing joint is on electric chuck, movable chamber has been seted up to the inside of grip block, fly leaf swing joint is in the inside in activity chamber, first push rod and second push rod symmetry fixed connection are in one side of fly leaf, the slide opening that runs through is seted up to a side symmetry of grip block. The utility model discloses a when three grip block reciprocal movement carries out the centre gripping to the product, the activity head can have certain compressive force and bounce with the lateral wall contact of product, and buffer spring has played the effect of buffering to the activity head through fly leaf, first push rod and second push rod, can convert the rigidity centre gripping into flexible centre gripping, prevents to cause the more fragile product of texture to damage when the centre gripping operation, has improved the practicality.

Description

Electric chuck with clamping force capable of being automatically adjusted

Technical Field

The utility model relates to an electric chuck technical field especially relates to a but clamping-force automatically regulated's electric chuck.

Background

The electric chuck is driven by an electric type, the chuck is driven by other main shafts, and after the electric chuck is electrified, the main shafts rotate, the chuck can be kiss and rotate, so that the electric chuck has the advantages of effective and fast rotating force, high speed, high rotating speed, high precision and long service life.

The conventional electric chuck is convenient to use, generally has the function of automatically adjusting the clamping force, and is convenient to clamp products with different diameters, but the conventional electric chuck is generally rigid in clamping, so that the products are easily damaged when the brittle products are clamped.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a but clamping-force automatically regulated's electric chuck possesses the advantage of flexible centre gripping, and the centre gripping of having solved present electric chuck generally is the rigidity centre gripping, when carrying out the centre gripping to the more fragile product of geology, causes the problem of product damage easily.

(II) technical scheme

For realizing the technical problem, the utility model provides such but clamping-force automatically regulated's electric chuck, including electric chuck, grip block, fly leaf, first push rod, second push rod, activity head and buffer spring, grip block swing joint is on electric chuck, the activity chamber has been seted up to the inside of grip block, fly leaf swing joint is in the inside in activity chamber, first push rod and the one side of second push rod symmetry fixed connection at the fly leaf, the slide opening that runs through is seted up to a side symmetry of grip block, the lateral wall of first push rod and second push rod and the inside wall sliding connection of slide opening, activity head fixed connection keeps away from one side of fly leaf at first push rod and second push rod, one side of first push rod is kept away from at the fly leaf to buffer spring setting.

Further, the top of electric chuck is the circumference form and has seted up the activity groove, the quantity in activity groove is three, the quantity of grip block is three, three grip block swing joint is in the inside in activity groove.

Furthermore, a rubber pad is fixedly connected to one side, close to the clamping block, of the movable head, and anti-slip blocks are fixedly connected to two sides, far away from one side of the rubber pad, of the movable head.

Further, the sliding sleeve is inlaid in the middle of the movable plate, a sliding rod located on the clamping block is fixedly connected between the inner walls of the movable grooves, and the outer side wall of the sliding rod is connected with the inner side wall of the sliding sleeve in a sliding mode.

Furthermore, buffer spring activity cup joints the lateral wall at the slide bar, buffer spring's one end and the one side overlap joint that the fly leaf kept away from first push rod, buffer spring's the other end overlap joint is on the inner wall in activity chamber.

Furthermore, a penetrating clamping hole is formed in the middle of the electric chuck and communicated with the movable groove.

(III) advantageous effects

The utility model provides a but clamping-force automatically regulated's electric chuck possesses following beneficial effect:

1. but this clamping-force automatically regulated's electric chuck, through electric chuck, the grip block, the fly leaf, first push rod, the second push rod, movable head and buffer spring's cooperation is used, when three grip block reciprocal movement carries out the centre gripping to the product, movable head can contact with the lateral wall of product, buffer spring has certain compressive force and bounce, through the fly leaf, first push rod and second push rod have played the effect of buffering to movable head, can convert the rigidity centre gripping into flexible centre gripping, prevent to cause the more fragile product of texture to damage when the centre gripping operation, and the practicality is improved.

2. This but clamping-force automatically regulated's electric chuck uses through the cooperation of sliding sleeve and slide bar, and when removing about the fly leaf and unloading the power, the lateral wall of slide bar can slide with the inside wall of sliding sleeve, and then has guaranteed the stability that the fly leaf removed, prevents that first push rod and second push rod from taking place the dislocation and unable removal, has improved the reliability.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a sectional view of the structure of the clamping block of the present invention.

In the figure: 1. an electric chuck; 2. a movable groove; 3. a clamping block; 4. a movable cavity; 5. a movable plate; 6. a first push rod; 7. a second push rod; 8. a slide hole; 9. a movable head; 10. a rubber pad; 11. anti-skid blocks; 12. a sliding sleeve; 13. a slide bar; 14. a buffer spring; 15. and (4) clamping the hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, an electric chuck with automatically adjustable clamping force comprises an electric chuck 1, a clamping block 3, a movable plate 5, a first push rod 6, a second push rod 7, a movable head 9 and a buffer spring 14, wherein the clamping block 3 is movably connected to the electric chuck 1, a movable cavity 4 is formed in the clamping block 3, the movable plate 5 is movably connected to the movable cavity 4, the first push rod 6 and the second push rod 7 are symmetrically and fixedly connected to one side of the movable plate 5, a through sliding hole 8 is symmetrically formed in one side of the clamping block 3, the outer side walls of the first push rod 6 and the second push rod 7 are slidably connected to the inner side wall of the sliding hole 8, the movable head 9 is fixedly connected to one side of the first push rod 6 and the second push rod 7 away from the movable plate 5, a rubber pad 10 is fixedly connected to one side of the movable head 9 close to the clamping block 3, and anti-slip blocks 11 are fixedly connected to both sides of the movable, buffer spring 14 sets up the one side of keeping away from first push rod 6 at fly leaf 5, through electronic chuck 1, grip block 3, fly leaf 5, first push rod 6, second push rod 7, the cooperation of activity head 9 and buffer spring 14 is used, when three grip block 3 reciprocal movement carries out the centre gripping to the product, activity head 9 can contact with the lateral wall of product, buffer spring 14 has certain compressive force and bounce, through fly leaf 5, first push rod 6 and second push rod 7 have played the effect of buffering to activity head 9, can convert the rigidity centre gripping into flexible centre gripping, prevent to cause the more fragile product of texture to damage when the centre gripping operation, and the practicality is improved.

The top of the electric chuck 1 is circumferentially provided with three movable grooves 2, the number of the movable grooves 2 is three, the number of the clamping blocks 3 is three, the three clamping blocks 3 are movably connected inside the movable grooves 2, the middle part of the movable plate 5 is inlaid with a sliding sleeve 12, a sliding rod 13 positioned on the clamping blocks 3 is fixedly connected between the inner walls of the movable grooves 2, the outer side wall of the sliding rod 13 is in sliding connection with the inner side wall of the sliding sleeve 12, the sliding sleeve 12 and the sliding rod 13 are used in cooperation, when the movable plate 5 moves leftwards and rightwards for unloading, the outer side wall of the sliding rod 13 can slide with the inner side wall of the sliding sleeve 12, so that the moving stability of the movable plate 5 is ensured, the first push rod 6 and the second push rod 7 are prevented from being misplaced and being incapable of moving, the reliability is improved, the buffer spring 14 is movably sleeved on the outer side wall of the, the other end of the buffer spring 14 is lapped on the inner wall of the movable cavity 4, a penetrating clamping hole 15 is formed in the middle of the electric chuck 1, and the clamping hole 15 is communicated with the movable groove 2.

When using, three grip block 3 can the mutual displacement carry out the centre gripping to the product, activity head 9 can contact with the lateral wall of product, buffer spring 14 has certain compressive force and bounce, through fly leaf 5, first push rod 6 and second push rod 7 have played the effect of buffering to activity head 9, the lateral wall of slide bar 13 can slide with sliding sleeve 12's inside wall, the stability that fly leaf 5 removed has been guaranteed, can convert the rigidity centre gripping into flexible centre gripping, prevent to cause the more fragile product of texture to damage when the centre gripping operation, and the practicality is improved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a but clamping-force automatically regulated's electronic chuck, includes electronic chuck (1), grip block (3), fly leaf (5), first push rod (6), second push rod (7), activity head (9) and buffer spring (14), its characterized in that: grip block (3) swing joint is on electric chuck (1), movable chamber (4) have been seted up to the inside of grip block (3), fly leaf (5) swing joint is in the inside in movable chamber (4), first push rod (6) and second push rod (7) symmetry fixed connection are in one side of fly leaf (5), one side symmetry of grip block (3) is seted up slide opening (8) that run through, the lateral wall of first push rod (6) and second push rod (7) and the inside wall sliding connection of slide opening (8), activity head (9) fixed connection is in one side that fly leaf (5) were kept away from in first push rod (6) and second push rod (7), buffer spring (14) set up the one side of keeping away from first push rod (6) in fly leaf (5).

2. The power chuck as claimed in claim 1, wherein the clamping force is automatically adjustable by: the top of electric chuck (1) is the circumference form and has seted up activity groove (2), the quantity in activity groove (2) is three, the quantity of grip block (3) is three, three grip block (3) swing joint is in the inside in activity groove (2).

3. The power chuck as claimed in claim 1, wherein the clamping force is automatically adjustable by: one side of the movable head (9) close to the clamping block (3) is fixedly connected with a rubber pad (10), and two sides of one side of the movable head (9) far away from the rubber pad (10) are fixedly connected with anti-skidding blocks (11).

4. The power chuck as claimed in claim 2, wherein the clamping force is automatically adjustable by: sliding sleeve (12) are inlayed in the middle part of fly leaf (5), fixedly connected with is located slide bar (13) on grip block (3) between the inner wall of activity groove (2), the lateral wall of slide bar (13) and the inside wall sliding connection of sliding sleeve (12).

5. The power chuck as claimed in claim 4, wherein the clamping force is automatically adjustable by: buffer spring (14) activity cup joints the lateral wall at slide bar (13), the one end and the fly leaf (5) of buffer spring (14) keep away from one side overlap joint of first push rod (6), the other end overlap joint of buffer spring (14) is on the inner wall of activity chamber (4).

6. The power chuck as claimed in claim 2, wherein the clamping force is automatically adjustable by: the middle part of the electric chuck (1) is provided with a through clamping hole (15), and the clamping hole (15) is communicated with the movable groove (2).