CN208880558U

CN208880558U - Universal elastic supporting mechanism

Info

Publication number: CN208880558U
Application number: CN201821632305.4U
Authority: CN
Inventors: 蒋燕; 赵长亮; 周士升; 詹淳崵
Original assignee: Suzhou Feng Chuan Electronic Technology Co Ltd
Current assignee: Suzhou Feng Chuan Electronic Technology Co Ltd
Priority date: 2018-10-09
Filing date: 2018-10-09
Publication date: 2019-05-21
Anticipated expiration: 2028-10-09

Abstract

The utility model discloses a kind of universal elastic supporting mechanism, including top cover, cylindrical shell, bottom cover, movable mandril, hold set tightly, movable block and quill, the upper and lower ends of the shell respectively with top cover, bottom cover installation connection, to in top cover, a cavity is formed between shell and bottom cover, the top cover center is provided with a through-hole, the activity mandril lower part penetrates in cavity from through-hole, push rod is connected on the movable block, movable mandril includes outer sleeve, spring, top and connecting rod, the top is installed on outer sleeve upper end, the movable block center is provided with a through-hole, this through-hole lower end inner surface has an inside flange part, the push rod lower end is pierced by from the through-hole of movable block, and the end lower surface of push rod and flange part upper surface connect, also there is a locking nut on the push rod.The utility model is applicable to the workpiece of different situations, realizes the support for having curved workpiece to lower surface, and keep the natural torsion state of workpiece, clever structure is easy to operate.

Description

Universal elastic supporting mechanism

Technical field

The utility model relates to a kind of universal elastic supporting mechanisms, belong to Electronic product precision part processing technique field.

Background technique

It is well known that during part is machined out, such as the processing to laptop rear side cover, it needs to pass through Fixture is supported positioning to part, but part is in process, because of the height of itself of mismachining tolerance or its supporting surface Degree is different, fixture existing in this way in clamping process, may just will appear some supporting point can not secure support, be unable to complete To the reliable clamping of part.

Utility model content

The purpose of the utility model is to provide a kind of universal elastic supporting mechanism, which can be fitted For the workpiece of different situations, the support that there is curved workpiece to lower surface is realized, and keep the natural torsion state of workpiece, Clever structure, it is easy to operate.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of universal elastic supporting mechanism, including Top cover, bottom cover, movable mandril, holds set, movable block and quill tightly at cylindrical shell, the upper and lower ends of the shell respectively with Top cover, bottom cover installation connection, to form a cavity between top cover, shell and bottom cover, the top cover center is provided with a through-hole, The activity mandril lower part penetrates in cavity from through-hole, and the holding is set on the outside of movable mandril, the quill set Loaded on set outside is held tightly, and quill can be up and down in cavity, the quill lower part pass through bottom cover and with activity Block is fixedly connected, and is connected with push rod on the movable block；

Movable mandril includes outer sleeve, spring, top and connecting rod, and the top is installed on outer sleeve upper end, the connecting rod From outer sleeve lower end be embedded in and with the movable connection of outer sleeve, the spring is set between top and connecting rod, under the connecting rod It in one fixed block of end insertion, is fixedly connected in the center through hole of this lower end of fixing block insertion bottom cover and with bottom cover, the holding set Outer surface be tapered surface, the conical surface radius of this tapered surface reduces from up to down, and the inner surface of the quill is tapered surface, The conical surface radius of this tapered surface reduces from up to down, and the internal surface gaps of the outer surface for holding set tightly and quill cooperate；

The quill lower surface is provided with several mounting blocks, and the through-hole passed through for mounting blocks is provided on the bottom cover, The mounting blocks of the quill are each passed through the through-hole of bottom cover and are fastenedly connected with movable block, and the movable block center is provided with one Through-hole, this through-hole lower end inner surface have an inside flange part, and the push rod lower end is pierced by from the through-hole of movable block, and push rod End lower surface and flange part upper surface connect, also there is on the push rod locking nut.

Further improved scheme is as follows in above-mentioned technical proposal:

1. in above scheme, the fixed block outer wall has an outward flange.

2. in above scheme, the holding set fixation is connected between the outward flange of fixed block and top cover.

3. in above scheme, the connecting rod is connected by an installation set and outer sleeve clamping.

4. in above scheme, the installation set lower surface is abutted with fixed block upper surface.

5. in above scheme, the top top surface is arcwall face or spherical.

6. in above scheme, the top lower surface has a convex block, this convex block is embedded in the center through hole of spring.

7. in above scheme, if the mounting blocks are fixedly connected with movable block by bolt stem.

8. in above scheme, the push rod lower end is connected with a driving cylinder.

9. in above scheme, the push rod is screw rod.

Due to the application of the above technical scheme, the utility model has the advantage that compared with prior art

1, the universal elastic supporting mechanism of the utility model, movable mandril include outer sleeve, spring, top and connecting rod, institute State top and be installed on outer sleeve upper end, the connecting rod be embedded in from outer sleeve lower end and with the movable connection of outer sleeve, the spring It is set between top and connecting rod, the connecting rod lower end is embedded in a fixed block, and the center that this lower end of fixing block is embedded in bottom cover is logical It is fixedly connected in hole and with bottom cover, the outer surface for holding set tightly is tapered surface, and the conical surface radius of this tapered surface subtracts from up to down Small, the inner surface of the quill is tapered surface, and the conical surface radius of this tapered surface reduces from up to down, described to hold the outer of set tightly The cooperation of the internal surface gaps of surface and quill, movable mandril can connect completely when supporting workpiece with the lower surface of workpiece It touches and moves up and down under the action of workpiece, when moving to suitable position, drive quill to move up by movable block, activity The inner conical surface of sleeve moves up the male cone (strobilus masculinus) for acting on and holding set tightly, holds set tightly and is squeezed and shrinks, holding activity mandril, limitation activity The movement of mandril, plays the role of fixed support, and the distance that moves down of movable mandril places one's entire reliance upon the active force of workpiece, i.e., movable The distance that moves down of mandril is continuously adjusted, and is applicable to the workpiece of different situations, when multiple universal elastic supporting mechanisms combinations make When with support workpiece, the movable mandril of each universal elastic supporting mechanism moves down distance according to workpiece lower surface bending degree It is different and different, therefore the support that there is curved workpiece to lower surface may be implemented, and keep the natural torsion state of workpiece, Clever structure, it is easy to operate.

2, the universal elastic supporting mechanism of the utility model, quill lower surface is provided with several mounting blocks, described The through-hole passed through for mounting blocks is provided on bottom cover, the mounting blocks of the quill are each passed through the through-hole of bottom cover and and movable block It is fastenedly connected, the movable block center is provided with a through-hole, this through-hole lower end inner surface has an inside flange part, the push rod Lower end is pierced by from the through-hole of movable block, and the end lower surface of push rod and flange part upper surface connect, on the push rod also The connection between push rod and movable block is realized by the through-hole flange part on movable block with a locking nut, then passes through nut Locking, structure is simple and easy to disassemble, or obtains between push rod and movable block with micro adjustable space, drives in push rod When movable block moves up and down, there is certain automatic adjusument space, balanced drive power guarantees the stabilization and balance of driving, prevents Only there is situations such as stuck.

3, the universal elastic supporting mechanism of the utility model, top top surface be arcwall face or spherical, arcwall face or The setting of person's spherical guarantees the precision of support so that being the support of point contact to the support of workpiece；In addition, it comes directly towards following table Face has a convex block, this convex block is embedded in the center through hole of spring, and convex block is embedded in spring, plays certain limit to spring and makees With, prevent spring from shifting and influence rebound support force, influence support accuracy.

Detailed description of the invention

Attached drawing 1 is the universal elastic supporting mechanism structural schematic diagram of the utility model；

Attached drawing 2 is the universal elastic supporting mechanism structure sectional view of the utility model.

In the figures above: 1a, top cover；2a, shell；3a, bottom cover；4a, movable mandril；5a, set is held tightly；6a, movable block； 7a, quill；8a, through-hole；9a, push rod；11a, outer sleeve；12a, spring；13a, top；14a, connecting rod；15a, fixed block； 16a, outward flange；17a, installation set；18a, convex block；26a, mounting blocks；27a, flange part；28a, locking nut.

Specific embodiment

Embodiment 1: a kind of universal elastic supporting mechanism, including top cover 1a, cylindrical shell 2a, bottom cover 3a, movable mandril 4a, set 5a, movable block 6a and quill 7a are held tightly, the upper and lower ends of the shell 2a are installed with top cover 1a, bottom cover 3a respectively Connection, to form a cavity between top cover 1a, shell 2a and bottom cover 3a, the center the top cover 1a is provided with a through-hole 8a, institute It states the lower part movable mandril 4a to penetrate in cavity from through-hole 8a, the holding set 5a is set on the outside of movable mandril 4a, the activity Sleeve 7a is set on the outside of holding set 5a, and quill 7a can be up and down in cavity, and the quill 7a is worn lower part It crosses bottom cover 3a and is fixedly connected with movable block 6a, be connected with push rod 9a on the movable block 6a；

Movable mandril 4a includes that outer sleeve 11a, spring 12a, top 13a and connecting rod 14a, the top 13a are installed on outer The upper end sleeve 11a, the connecting rod 14a from the lower end outer sleeve 11a be embedded in and with the movable connection of outer sleeve 11a, the spring 12a It is set between the 13a and connecting rod 14a of top, the lower end the connecting rod 14a is embedded in a fixed block 15a, and the lower end this fixed block 15a is embedding Enter in the center through hole of bottom cover 3a and be fixedly connected with bottom cover 3a, the outer surface for holding set 5a tightly is tapered surface, this tapered surface Conical surface radius reduce from up to down, the inner surface of the quill 7a is tapered surface, the conical surface of this tapered surface partly without leave on Reduce downwards, the internal surface gaps of the outer surface for holding set 5a tightly and quill 7a cooperate；

The lower surface the quill 7a is provided with several mounting blocks 26a, is provided on the bottom cover 3a and wears for mounting blocks 26a The through-hole crossed, the mounting blocks 26a of the quill 7a are each passed through the through-hole of bottom cover 3a and are fastenedly connected with movable block 6a, institute It states the center movable block 6a and is provided with a through-hole, this through-hole lower end inner surface has an inside lower end flange part 27a, the push rod 9a It is pierced by from the through-hole of movable block 6a, and the end lower surface of push rod 9a and the upper surface flange part 27a connect, the push rod 9a On also have a locking nut 28a.

Above-mentioned fixed block 15a outer wall has an outward flange 16a；Above-mentioned holding set 5a is fixed to be connected in the outer of fixed block 15a Between flange 16a and top cover 1a；The top surface above-mentioned top 13a is arcwall face；Above-mentioned mounting blocks 26a and movable block 6a passes through several spiral shells Bolt is fixedly connected；The lower end above-mentioned push rod 9a is connected with a driving cylinder；Above-mentioned push rod 9a is screw rod.

Embodiment 2: a kind of universal elastic supporting mechanism, including top cover 1a, cylindrical shell 2a, bottom cover 3a, movable mandril 4a, set 5a, movable block 6a and quill 7a are held tightly, the upper and lower ends of the shell 2a are installed with top cover 1a, bottom cover 3a respectively Connection, to form a cavity between top cover 1a, shell 2a and bottom cover 3a, the center the top cover 1a is provided with a through-hole 8a, institute It states the lower part movable mandril 4a to penetrate in cavity from through-hole 8a, the holding set 5a is set on the outside of movable mandril 4a, the activity Sleeve 7a is set on the outside of holding set 5a, and quill 7a can be up and down in cavity, and the quill 7a is worn lower part It crosses bottom cover 3a and is fixedly connected with movable block 6a, be connected with push rod 9a on the movable block 6a；

Above-mentioned connecting rod 14a is connected by an installation set 17a and outer sleeve 11a clamping；The lower surface above-mentioned installation set 17a and solid Determine the upper surface block 15a abutting；The top surface above-mentioned top 13a is spherical；The lower surface above-mentioned top 9a has a convex block 18a, this is convex Block 18a is embedded in the center through hole of spring 12a.

Working principle: workpiece to be processed, such as metal blank are placed in above several universal elastic supporting mechanisms, So that the lower surface of metal blank is contacted with the movable mandril upper surface of universal elastic supporting mechanism, because of metal blank itself Metallic character, panel surface has certain warpage and uneven, and the movable mandril of each universal elastic supporting mechanism is in gold A distance is moved down under the action of category plate or is not moved, and the movable mandril to each universal elastic supporting mechanism is steady After fixed, then one and the consistent supporting surface of its lower surface fluctuating can be determined for the metal blank of side placed on it, it at this time will be each The movable block of a universal elastic supporting mechanism pushes up, and movable block drives the quill above it to move up, quill Inner conical surface moves up the male cone (strobilus masculinus) for acting on and holding set tightly, holds set tightly and is squeezed and shrinks, holding activity mandril, limitation activity mandril It is mobile, so that the movable mandril of universal elastic supporting mechanism is in stationary state, to be the work of side placed on it Part provides the support stablized and agreed with workpiece lower surface, convenient for the milling equality process operation to plate.

When using above-mentioned universal elastic supporting mechanism, by the through-hole flange part on movable block, push rod and work are realized Connection between motion block, then by nut check, structure is simple and easy to disassemble, or obtains between push rod and movable block with micro- The adjustable space of amount has certain automatic adjusument space, balanced drive when push rod driving movable block moves up and down Power guarantees the stabilization and balance of driving, prevents situations such as stuck；In addition, its movable mandril is when supporting workpiece, Ke Yiyu The lower surface of workpiece completely attaches to and moves up and down under the action of workpiece, when moving to suitable position, passes through movable block band Dynamic quill moves up, and the inner conical surface of quill moves up the male cone (strobilus masculinus) for acting on and holding set tightly, holds set tightly and is squeezed and shrinks, embraces Fixed support is played the role of in tight activity mandril, the movement of limitation activity mandril, and the distance that moves down of movable mandril places one's entire reliance upon The distance that moves down of the active force of workpiece, i.e., movable mandril is continuously adjusted, and the workpiece of different situations is applicable to, when multiple universal When support workpiece is applied in combination in elastic supporting mechanism, the movable mandril of each universal elastic supporting mechanism moves down distance according to work The difference of part lower surface bending degree and it is different, therefore may be implemented to lower surface have curved workpiece support, and keep The natural torsion state of workpiece, clever structure are easy to operate；In addition, the setting of its arcwall face or spherical, so as to workpiece Support be point contact support, guarantee support precision；In addition, playing certain limit to spring in its convex block insertion spring Position effect prevents spring from shifting and influences the support force to rebound, influences support accuracy.

The above embodiments are only for explaining the technical ideas and features of the present invention, and its object is to allow be familiar with technique Personage can understand the content of the utility model and implement accordingly, do not limit the protection scope of the present invention. All equivalent change or modifications according to made by the spirit of the present invention essence, should all cover the protection scope of the utility model it It is interior.

Claims

1. a kind of universal elastic supporting mechanism, it is characterised in that: including top cover (1a), cylindrical shell (2a), bottom cover (3a), live Dynamic mandril (4a), hold set (5a), movable block (6a) and quill (7a) tightly, the upper and lower ends of the shell (2a) respectively with top (1a), bottom cover (3a) installation connection are covered, so that a cavity is formed between top cover (1a), shell (2a) and bottom cover (3a), it is described The center top cover (1a) is provided with a through-hole (8a), and the activity mandril lower part (4a) penetrates in cavity from through-hole (8a), the holding Set (5a) is set on the outside of movable mandril (4a), and the quill (7a) is set on the outside of holding set (5a), and quill (7a) can be up and down in cavity, and the quill lower part (7a), which passes through bottom cover (3a) and fixes with movable block (6a), to be connected It connects, is connected with push rod (9a) on the movable block (6a)；

Movable mandril (4a) includes outer sleeve (11a), spring (12a), top (13a) and connecting rod (14a), the top (13a) It is installed on the upper end outer sleeve (11a), the connecting rod (14a) is from the insertion of the outer sleeve lower end (11a) and movable with outer sleeve (11a) Connection, the spring (12a) are set between top (13a) and connecting rod (14a), and the connecting rod lower end (14a) insertion one is fixed In block (15a), it is fixedly connected in the center through hole of this fixed block lower end (15a) insertion bottom cover (3a) and with bottom cover (3a), it is described The outer surface for holding set (5a) tightly is tapered surface, and the conical surface radius of this tapered surface reduces from up to down, the quill (7a) Inner surface is tapered surface, and the conical surface radius of this tapered surface reduces from up to down, the outer surface for holding set (5a) tightly and movable sleeve The internal surface gaps cooperation of cylinder (7a)；

Quill (7a) lower surface is provided with several mounting blocks (26a), is provided on the bottom cover (3a) for mounting blocks The through-hole that (26a) is passed through, the mounting blocks (26a) of the quill (7a) are each passed through the through-hole of bottom cover (3a) and and movable block (6a) is fastenedly connected, and movable block (6a) center is provided with a through-hole, this through-hole lower end inner surface has an inside flange part The through-hole of (27a), the push rod lower end (9a) from the movable block (6a) are pierced by, and the end lower surface of push rod (9a) and flange part The upper surface (27a) connects, and also has a locking nut (28a) on the push rod (9a).

2. universal elastic supporting mechanism according to claim 1, it is characterised in that: fixed block (15a) the outer wall tool There is an outward flange (16a).

3. universal elastic supporting mechanism according to claim 2, it is characterised in that: the fixed clamping of holding set (5a) Between the outward flange (16a) and top cover (1a) of fixed block (15a).

4. universal elastic supporting mechanism according to claim 1, it is characterised in that: the connecting rod (14a) passes through a peace Encapsulation (17a) and outer sleeve (11a) clamping connect.

5. universal elastic supporting mechanism according to claim 4, it is characterised in that: installation set (17a) lower surface It is abutted with the upper surface fixed block (15a).

6. universal elastic supporting mechanism according to claim 1, it is characterised in that: the top top surface (13a) is arc Shape face or spherical.

7. universal elastic supporting mechanism according to claim 1, it is characterised in that: push rod (9a) lower surface has One convex block (18a), this convex block (18a) are embedded in the center through hole of spring (12a).

8. universal elastic supporting mechanism according to claim 1, it is characterised in that: the mounting blocks (26a) and activity Block (6a) by bolt stem if be fixedly connected.

9. universal elastic supporting mechanism according to claim 1, it is characterised in that: push rod (9a) lower end is connected with One driving cylinder.

10. universal elastic supporting mechanism according to claim 1, it is characterised in that: the push rod (9a) is screw rod.