CN208880163U

CN208880163U - Adjustable support mechanism

Info

Publication number: CN208880163U
Application number: CN201821632021.5U
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 adjustable support mechanism, including shell, movable mandril, elasticity holds set tightly, quill, bottom cover and pushing block, the bottom cover is connect with shell lower end, to form a cavity between shell and bottom cover, a through-hole penetrated for movable mandril is provided on the cover top plate, the elasticity, which is held tightly, to be set on the outside of movable mandril, the quill is set in elasticity and holds set outside tightly, the spring is set between top and connecting rod, the connecting rod is embedded in a fixed block, the outer surface that the elasticity holds set tightly is tapered surface, the conical surface radius of this tapered surface reduces from up to down, the inner surface of the quill is tapered surface, the conical surface radius of this tapered surface reduces from up to down, the elasticity holds the outer surface of set tightly and the internal surface gaps of quill cooperate.The support for having curved workpiece to lower surface may be implemented in the utility model, and keeps the natural torsion state of workpiece, and clever structure is easy to operate.

Description

Adjustable support mechanism

Technical field

The utility model relates to a kind of adjustable support mechanisms, belong to Electronic product precision part processing technique field.

Background technique

" a workman must first sharpen his tools if he is to do his work well " is machined out process in part to meet part correlation processing technology In, such as the processing to laptop rear side cover, it needs to be supported positioning to part by fixture, but part is being processed In the process, because the height of itself of mismachining tolerance or its supporting surface is different, fixture existing in this way, may in clamping process Just will appear some supporting point can not secure support, be unable to complete the reliable clamping to part.

Utility model content

The purpose of the utility model is to provide a kind of adjustable support mechanism, which be may be implemented under Surface has the support of curved workpiece, and keeps the natural torsion state of workpiece, and clever structure is easy to operate.

In order to achieve the above objectives, the technical solution adopted in the utility model is: a kind of adjustable support mechanism, including shell Body, movable mandril, elasticity are held set, quill, bottom cover and pushing block, the bottom cover tightly and are connect with shell lower end, thus in shell A cavity is formed between bottom cover, a through-hole penetrated for movable mandril is provided on the cover top plate, and the elasticity holds set tightly It is set on the outside of movable mandril, the quill is set in elasticity and holds set outside tightly, and the elasticity holds set and quill tightly It is respectively positioned in shell, and the quill can be up and down, the quill lower end, which passes through bottom cover and fixes with pushing block, to be connected It connects, is connected with driving mechanism on the pushing block；

The activity mandril further comprises cylinder, top, connecting rod and spring, and the top is from top insertion cylinder And be fixedly connected with cylinder, the connecting rod is flexibly connected from lower section insertion cylinder and with cylinder inboard wall, the spring setting Between top and connecting rod, the connecting rod is embedded in a fixed block, this lower end of fixing block is embedded in bottom cover；

There is an outward flange, the elasticity holds set tightly and is set in the outer of cover top plate and fixed block on the fixed block outer wall Between flange, the outer surface that the elasticity holds set tightly is tapered surface, and the conical surface radius of this tapered surface reduces from up to down, the work The inner surface of moving sleeve is tapered surface, and the conical surface radius of this tapered surface reduces from up to down, and the elasticity holds the outer surface of set tightly Cooperate with the internal surface gaps of quill；

The quill lower surface is provided with several mounting blocks, and through-hole corresponding with mounting blocks is provided on the bottom cover, The mounting blocks of the quill are each passed through the through-hole of mounting blocks and connect with pushing block, and the pushing block lower surface is provided with a T-type Slot, a screw rod upper end are embedded in T-slot, are clamped and are connected with pushing block；

Screw thread is provided on the pushing block outer wall, a tool internal thread bottom case is threadedly coupled with pushing block, under the screw rod End is fixed across bottom case and by a nut.

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

1. in above scheme, the shell lower end is provided with internal screw thread, it is provided with external screw thread on the bottom cover, this bottom cover Insertion shell lower end is simultaneously threadedly coupled with shell.

2. in above scheme, the top is threadedly coupled with cylinder inboard wall.

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

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

5. in above scheme, the cover top plate lower surface is provided with a collar stop, this block is circumferentially set along through-hole It sets, the lower surface of the block and elasticity are held set top surface tightly and connected.

6. in above scheme, the cover top plate upper surface is tapered surface.

7. in above scheme, if the pushing block is fixedly connected with the mounting blocks of quill by bolt stem.

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

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

1, the utility model adjustable support mechanism comprising shell, movable mandril, elasticity hold set, quill, bottom tightly Lid and pushing block, the bottom cover are connect with shell lower end, so that a cavity is formed between shell and bottom cover, on the cover top plate It is provided with a through-hole penetrated for movable mandril, the elasticity, which is held tightly, to be set on the outside of movable mandril, the quill suit Set outside is held tightly in elasticity, and the elasticity holds set tightly and quill is respectively positioned in shell, and the quill can live up and down Dynamic, the quill lower end passes through bottom cover and is fixedly connected with pushing block, and driving mechanism, movable mandril are connected on the pushing block When supporting workpiece, it can completely attach to the lower surface of workpiece and move up and down under the action of workpiece, it is suitable when moving to When position, quill is driven to move up by pushing block, the inner conical surface of quill, which moves up, acts on the male cone (strobilus masculinus) that elasticity holds set tightly, Elasticity holds set tightly and is squeezed and shrinks, holding activity mandril, the movement of limitation activity mandril, plays the role of fixed support, living The distance that moves down of dynamic mandril places one's entire reliance upon the active force of workpiece, i.e., movable mandril to move down distance continuously adjustable, be applicable to The workpiece of different situations, when multiple adjustable support Mechanism Combinations are using support workpiece, the work of each adjustable support mechanism It is different according to the difference of workpiece lower surface bending degree that dynamic mandril moves down distance, therefore may be implemented have bending to lower surface Workpiece support, and keep the natural torsion state of workpiece, clever structure is easy to operate.

2, the utility model adjustable support mechanism, pushing block lower surface are provided with a T-slot, and a screw rod upper end is embedded in T-type In slot, it is clamped and connects with pushing block, the setting of T-slot on pushing block, so that the screw rod as push rod is flexibly connected with pushing block, in screw rod There is the space adaptively finely tuned, the available uniform transmission of thrust prevents not dead during pushing up pushing block Phenomenon；In addition, the setting of bottom case, pushing block lower part and screw rod are enclosed in shell, the component of protection are both played the role of, has extended it Service life, and protect user not scratched by exposed component, and by the way of being threadedly coupled, structure is simple, convenient for tearing open Dress.

3, the utility model adjustable support mechanism, shell lower end are provided with internal screw thread, are provided on the bottom cover outer Screw thread, this bottom cover insertion shell lower end is simultaneously threadedly coupled with shell, easy to disassemble using threaded connection, i.e., convenient to adjustable The maintenance and cleaning of supporting mechanism, convenient for the replacement to the intracorporal easy loss part of shell；In addition, its come directly towards top surface be arcwall face or The setting of person's spherical, arcwall face or spherical guarantees the essence of support so that being the support of point contact to the support of workpiece Degree；In addition, it, which comes directly towards lower surface, has a convex block, this convex block is embedded in the center through hole of spring, and convex block is embedded in spring, to bullet Spring plays certain position-limiting action, prevents spring from shifting and influences the support force to rebound, influences support accuracy.

Detailed description of the invention

Attached drawing 1 is the utility model adjustable support mechanism structure cross-sectional view；

Attached drawing 2 is activity push rod structure decomposition diagram in the utility model adjustable support mechanism；

Attached drawing 3 is the utility model adjustable support mechanism partial structurtes decomposition diagram.

In the figures above: 1a, shell；2a, movable mandril；3a, elasticity hold set tightly；4a, quill；5a, bottom cover；6a, Pushing block；7a, through-hole；8a, cylinder；9a, top；10a, connecting rod；11a, spring；12a, fixed block；13a, convex block；15a, evagination Edge；16a, collar stop；21a, mounting blocks；22a, T-slot；23a, screw rod；24a, bottom case；25a, nut.

Specific embodiment

Embodiment 1: a kind of adjustable support mechanism, including shell 1a, movable mandril 2a, elasticity hold set 3a, movable sleeve tightly Cylinder 4a, bottom cover 5a and pushing block 6a, the bottom cover 5a is connect with the lower end shell 1a, to form one between shell 1a and bottom cover 5a Cavity, a through-hole 7a penetrated for movable mandril 2a is provided on the shell 1a top plate, and the elasticity holds set 3a tightly and is set in work On the outside of dynamic mandril 2a, the quill 4a is set in elasticity and holds tightly on the outside of set 3a, and the elasticity holds set 3a and quill tightly 4a is respectively positioned in shell 1a, and the quill 4a can be up and down, the lower end the quill 4a pass through bottom cover 5a and with Pushing block 6a is fixedly connected, and is connected with driving mechanism on the pushing block 6a；

The activity mandril 2a further comprises cylinder 8a, comes directly towards 9a, connecting rod 10a and spring 11a, the top 9a certainly Be fixedly connected in top insertion cylinder 8a and with cylinder 8a, the connecting rod 10a from lower section insertion cylinder 8a and with cylinder 8a Inner wall is flexibly connected, and the spring 11a is set between the 9a and connecting rod 10a of top, and the connecting rod 10a is embedded in a fixed block In 12a, the lower end this fixed block 12a is embedded in bottom cover 5a；

There is an outward flange 15a on the fixed block 12a outer wall, the elasticity hold tightly set 3a be set in shell 1a top plate with Between the outward flange 15a of fixed block 12a, the outer surface that the elasticity holds set 3a tightly is tapered surface, the conical surface radius of this tapered surface Reduce from up to down, the inner surface of the quill 4a is tapered surface, and the conical surface radius of this tapered surface reduces from up to down, institute It states elasticity and holds the outer surface of set 3a and the internal surface gaps cooperation of quill 4a tightly；

The lower surface the quill 4a is provided with several mounting blocks 21a, is provided on the bottom cover 5a and 21a pairs of mounting blocks The through-hole answered, the mounting blocks 21a of the quill 4a is each passed through the through-hole of mounting blocks 21a and connect with pushing block 6a, described The lower surface pushing block 6a is provided with a T-slot 22a, and a upper end screw rod 23a is embedded in T-slot 22a, is clamped and connects with pushing block 6a；

Screw thread is provided on the pushing block 6a outer wall, a tool internal thread bottom case 24a is threadedly coupled with pushing block 6a, described The lower end screw rod 23a passes through bottom case 24a and is fixed by a nut 25a.

The lower end above-mentioned shell 1a is provided with internal screw thread, is provided with external screw thread on above-mentioned bottom cover 5a, this bottom cover 5a is embedded in shell The lower end 1a is simultaneously threadedly coupled with shell 1a；Above-mentioned top 9a is connect with cylinder 8a inner thread；Above-mentioned shell 1a cover top surface For tapered surface；If above-mentioned pushing block 6a is fixedly connected with the mounting blocks 21a of quill 4a by bolt stem；Under above-mentioned screw rod 23a End is connected with a driving cylinder.

Embodiment 2: a kind of adjustable support mechanism, including shell 1a, movable mandril 2a, elasticity hold set 3a, movable sleeve tightly Cylinder 4a, bottom cover 5a and pushing block 6a, the bottom cover 5a is connect with the lower end shell 1a, to form one between shell 1a and bottom cover 5a Cavity, a through-hole 7a penetrated for movable mandril 2a is provided on the shell 1a top plate, and the elasticity holds set 3a tightly and is set in work On the outside of dynamic mandril 2a, the quill 4a is set in elasticity and holds tightly on the outside of set 3a, and the elasticity holds set 3a and quill tightly 4a is respectively positioned in shell 1a, and the quill 4a can be up and down, the lower end the quill 4a pass through bottom cover 5a and with Pushing block 6a is fixedly connected, and is connected with driving mechanism on the pushing block 6a；

The top surface above-mentioned top 9a is arcwall face or spherical；The lower surface above-mentioned top 9a has a convex block 13a, this convex block 13a is embedded in the center through hole of spring 11a；Above-mentioned shell 1a top plate lower surface is provided with a collar stop 16a, this block 16a Circumferentially it is arranged along through-hole 7a, the lower surface of above-mentioned block 16a and elasticity are held the set top surface 3a tightly and connected；Above-mentioned shell 1a top plate Upper surface is tapered surface；If above-mentioned pushing block 6a is fixedly connected with the mounting blocks 21a of quill 4a by bolt stem；Above-mentioned screw rod The lower end 23a is connected with a driving cylinder.

Working principle: workpiece to be processed, such as metal blank are placed in above several adjustable support mechanisms, so that The lower surface of metal blank is contacted with the movable mandril upper surface of adjustable support mechanism, because the metal of metal blank itself is special Property, panel surface have certain warpage and uneven, the effect of the movable mandril of each adjustable support mechanism in metal blank Under move down a distance or do not move, then can be to set after the movable mandril of each adjustable support mechanism is stablized Square metal blank determines one and the consistent supporting surface of its lower surface fluctuating thereon, at this time by each adjustable support mechanism Pushing block push up, pushing block drives the quill above it to move up, and the inner conical surface of quill, which moves up, acts on elastic holding The male cone (strobilus masculinus) of set, elasticity hold set tightly and are squeezed and shrink, holding activity mandril, the movement of limitation activity mandril, so that can Adjust supporting mechanism movable mandril be in stationary state, thus for side placed on it workpiece provide stabilization and under workpiece The support that surface is agreed with, convenient for the milling equality process operation to plate.

When using above-mentioned adjustable support mechanism, movable mandril, can be complete with the lower surface of workpiece when supporting workpiece Full connected simultaneously moves up and down under the action of workpiece, when moving to suitable position, drives quill to move up by pushing block, living The inner conical surface of moving sleeve, which moves up, acts on the male cone (strobilus masculinus) that elasticity holds set tightly, and elasticity holds set tightly and is squeezed and shrinks, and holds movable top tightly Fixed support is played the role of in bar, the movement of limitation activity mandril, and the distance that moves down of movable mandril places one's entire reliance upon the work of workpiece Firmly, i.e., the distance that moves down of movable mandril is continuously adjusted, and the workpiece of different situations is applicable to, when multiple adjustable support mechanisms When support workpiece is applied in combination, the movable mandril of each adjustable support mechanism moves down distance according to workpiece lower surface bending degree Difference and it is different, therefore may be implemented to lower surface have curved workpiece support, and keep workpiece natural torsion shape State, clever structure are easy to operate；

In addition, on its pushing block T-slot setting it is upward in screw rod so that the screw rod as push rod is flexibly connected with pushing block There is the space adaptively finely tuned during pushing pushing block, the available uniform transmission of thrust prevents not dead phenomenon； In addition, the setting of bottom case, pushing block lower part and screw rod are enclosed in shell, both play the role of the component of protection, extends its use Service life, and protect user not scratched by exposed component, and by the way of being threadedly coupled, structure is simple, easy to disassemble；

In addition, it uses threaded connection, easy to disassemble, i.e., convenient maintenance and cleaning to adjustable support mechanism is convenient for The replacement of easy loss part intracorporal to shell；In addition, the setting of its arcwall face or spherical, so that being point to the support of workpiece The support of contact guarantees the precision of support；In addition, playing certain position-limiting action to spring in its convex block insertion spring, preventing Spring shifts and influences the support force of 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 adjustable support mechanism, it is characterised in that: including shell (1a), movable mandril (2a), elasticity hold tightly set (3a), Quill (4a), bottom cover (5a) and pushing block (6a), the bottom cover (5a) connect with the lower end shell (1a), thus at shell (1a) A cavity is formed between bottom cover (5a), is provided with a through-hole penetrated for movable mandril (2a) on shell (1a) top plate (7a), the elasticity are held set (3a) tightly and are set on the outside of movable mandril (2a), and the quill (4a) is set in elastic holding It covers on the outside of (3a), the elasticity holds set (3a) tightly and quill (4a) is respectively positioned in shell (1a), and the quill (4a) can be up and down, and the quill lower end (4a) passes through bottom cover (5a) and is fixedly connected with pushing block (6a), the pushing block Driving mechanism is connected on (6a)；

The activity mandril (2a) further comprises cylinder (8a), top (9a), connecting rod (10a) and spring (11a), the top Head (9a) is fixedly connected from top insertion cylinder (8a) and with cylinder (8a), and the connecting rod (10a) is embedded in cylinder from lower section It being flexibly connected in (8a) and with cylinder (8a) inner wall, the spring (11a) is set between top (9a) and connecting rod (10a), In connecting rod (10a) insertion one fixed block (12a), this fixed block lower end (12a) is embedded in bottom cover (5a)；

There is an outward flange (15a) on fixed block (12a) outer wall, the elasticity holds set (3a) tightly and is set in the top shell (1a) Between plate and the outward flange (15a) of fixed block (12a), the outer surface that the elasticity holds set (3a) tightly is tapered surface, this tapered surface Conical surface radius reduce from up to down, the inner surface of the quill (4a) is tapered surface, and the conical surface of this tapered surface is partly without leave Upper to reduce downwards, the elasticity holds the outer surface of set (3a) tightly and the internal surface gaps of quill (4a) cooperate；

Quill (4a) lower surface is provided with several mounting blocks (21a), is provided on the bottom cover (5a) and mounting blocks (21a) corresponding through-hole, the mounting blocks (21a) of the quill (4a) be each passed through the through-hole of mounting blocks (21a) and with push away Block (6a) connection, pushing block (6a) lower surface are provided with a T-slot (22a), and the screw rod upper end (23a) is embedded in T-slot (22a) It is interior, it is clamped and connects with pushing block (6a)；

Screw thread is provided on pushing block (6a) outer wall, tool internal thread bottom case (24a) is threadedly coupled with pushing block (6a), institute It is across bottom case (24a) and fixed by a nut (25a) to state the screw rod lower end (23a).

2. adjustable support mechanism according to claim 1, it is characterised in that: shell (1a) lower end is provided with interior spiral shell Line is provided with external screw thread on the bottom cover (5a), this bottom cover (5a) insertion shell lower end (1a) is simultaneously threadedly coupled with shell (1a).

3. adjustable support mechanism according to claim 1, it is characterised in that: the top (9a) and cylinder (8a) inner wall It is threadedly coupled.

4. adjustable support mechanism according to claim 1, it is characterised in that: the top top surface (9a) be arcwall face or Person's spherical.

5. adjustable support mechanism according to claim 1, it is characterised in that: the top lower surface (9a) is convex with one Block (13a), this convex block (13a) are embedded in the center through hole of spring (11a).

6. adjustable support mechanism according to claim 1, it is characterised in that: shell (1a) the top plate lower surface setting There is a collar stop (16a), this block (16a) is circumferentially arranged along through-hole (7a), and the lower surface of the block (16a) and elasticity are embraced The fixed top surface (3a) connects.

7. adjustable support mechanism according to claim 1, it is characterised in that: shell (1a) cover top surface is cone Shape face.

8. adjustable support mechanism according to claim 1, it is characterised in that: the pushing block (6a) and quill (4a) Mounting blocks (21a) if being fixedly connected by bolt stem.

9. adjustable support mechanism according to claim 1, it is characterised in that: screw rod (23a) lower end is connected with one Drive cylinder.