CN208880181U

CN208880181U - Floating support head

Info

Publication number: CN208880181U
Application number: CN201821632007.5U
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 floating support head, 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 elasticity holds set tightly and quill is respectively positioned in shell, and the quill can be up and down, the spring is set 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, 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 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

Floating support head

Technical field

The utility model relates to a kind of floating support heads, 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 side cover, it needs to be supported positioning to part by fixture, but part is processed Cheng Zhong, because the height of itself of mismachining tolerance or its supporting surface is different, fixture existing in this way, may be just in clamping process 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 floating support head, which may be implemented to have lower surface The support of curved workpiece, and the natural torsion state of workpiece is kept, 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 floating support head, including shell, work Dynamic 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 and bottom cover Between form a cavity, be provided with a through-hole penetrated for movable mandril on the cover top plate, the elasticity, which is held tightly, to be set in On the outside of movable mandril, the quill is set in elasticity and holds set outside tightly, and the elasticity holds set tightly and quill is respectively positioned on In shell, and the quill can be up and down, and the quill lower end passes through bottom cover and is fixedly connected with pushing block, described Driving mechanism is connected on 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.

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, there is an inside flange part, the end of the connecting rod on the inner wall of the cylinder lower part Lower surface and flange part upper surface connect.

6. in above scheme, also having an installation sleeve, this installation sleeve upper end has an outside flange, the company Extension bar penetrates in installation sleeve, and the lug upper surface of the end lower surface of connecting rod and installation sleeve connects, this installation The flange lower surface of sleeve and the flange part upper surface of cylinder connect.

7. 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.

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

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

1, the utility model floating support head comprising shell, movable mandril, elasticity hold tightly set, quill, bottom cover and Pushing block, the bottom cover are connect with shell lower end, to form a cavity between shell and bottom cover, are provided on the cover top plate One through-hole penetrated for movable mandril, the elasticity, which is held tightly, to be set on the outside of movable mandril, and the quill is set in bullet Property hold set outside tightly, the elasticity holds set tightly and quill is respectively positioned in shell, and the quill can be up and down, institute Quill lower end is stated across bottom cover and is fixedly connected with pushing block, driving mechanism is connected on the pushing block, movable mandril is propping up When supportting workpiece, it can completely attach to the lower surface of workpiece and move up and down under the action of workpiece, when moving to suitable position When, drive quill 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 It holds set tightly to be squeezed and shrink, holding activity mandril, the movement of limitation activity mandril, plays the role of fixed support, movable top The distance that moves down of bar places one's entire reliance upon the active force of workpiece, i.e., movable mandril to move down distance continuously adjustable, be applicable to difference The workpiece of situation, when multiple floating support heads be applied in combination support workpiece when, the movable mandril of each floating support head move down away from It is different from the difference according to workpiece lower surface bending degree, therefore the branch that there is curved workpiece to lower surface may be implemented Support, and the natural torsion state of workpiece is kept, clever structure is easy to operate.

2, the utility model floating support head, shell lower end are provided with internal screw thread, are provided with external screw thread on the bottom cover, This bottom cover insertion shell lower end is simultaneously threadedly coupled with shell, easy to disassemble using threaded connection, i.e., convenient to floating support head Maintenance and cleaning, convenient for the replacement to the intracorporal easy loss part of shell；In addition, the top surface of its top is arcwall face or spherical shape The setting of face, arcwall face or spherical guarantees the precision of support so that being the support of point contact to the support of workpiece；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, plays one to spring Fixed 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 floating support header structure cross-sectional view；

Attached drawing 2 is the utility model floating support head 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；14a, flange Portion；15a, outward flange；16a, collar stop；29a, installation sleeve.

Specific embodiment

Embodiment 1: a kind of floating support head, including shell 1a, movable mandril 2a, elasticity hold tightly set 3a, quill 4a, Bottom cover 5a and pushing block 6a, the bottom cover 5a is connect with the lower end shell 1a, so that a cavity is formed between shell 1a and bottom cover 5a, A through-hole 7a penetrated for movable mandril 2a is provided on the shell 1a top plate, the elasticity holds set 3a tightly and is set in movable mandril On the outside of 2a, the quill 4a is set in elasticity and holds tightly on the outside of set 3a, and the elasticity holds set 3a and the equal position quill 4a tightly In 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 It is fixedly connected, 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 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；The top surface above-mentioned top 9a is arc Face or spherical；There is a convex block 13a, this convex block 13a to be embedded in the center through hole of spring 11a for the lower surface above-mentioned top 9a； Above-mentioned shell 1a top plate lower surface is provided with a collar stop 16a, this block 16a is circumferentially arranged along through-hole 7a, above-mentioned block 16a Lower surface and elasticity hold tightly set the top surface 3a connect；Above-mentioned shell 1a cover top surface is tapered surface.

Embodiment 2: a kind of floating support head, including shell 1a, movable mandril 2a, elasticity hold tightly set 3a, quill 4a, Bottom cover 5a and pushing block 6a, the bottom cover 5a is connect with the lower end shell 1a, so that a cavity is formed between shell 1a and bottom cover 5a, A through-hole 7a penetrated for movable mandril 2a is provided on the shell 1a top plate, the elasticity holds set 3a tightly and is set in movable mandril On the outside of 2a, the quill 4a is set in elasticity and holds tightly on the outside of set 3a, and the elasticity holds set 3a and the equal position quill 4a tightly In 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 It is fixedly connected, is connected with driving mechanism on the pushing block 6a；

There is an inside flange part 14a, the end lower surface of above-mentioned connecting rod 10a on the inner wall of the lower part above-mentioned cylinder 8a It is connected with the upper surface flange part 14a；Also there is an installation sleeve 29a, the upper end this installation sleeve 29a has one outside convex Edge, above-mentioned connecting rod 10a are penetrated in installation sleeve 29a, and the flange of the end lower surface of connecting rod 10a and installation sleeve 29a Upper surface connects, the flange lower surface of this installation sleeve 29a and the upper surface flange part 14a of cylinder 8a connect；On It states shell 1a top plate lower surface and is provided with a collar stop 16a, this block 16a is circumferentially arranged along through-hole 7a, above-mentioned block 16a's Lower surface and elasticity are held the set top surface 3a tightly and are connected；Above-mentioned shell 1a cover top surface is tapered surface.

Working principle: workpiece to be processed, such as metal blank are placed in above several floating support heads, so that metal The lower surface of plate is contacted with the movable mandril upper surface of floating support head, because of the metallic character of metal blank itself, plate Surface has certain warpage and uneven, and the movable mandril of each floating support head moves down one under the action of metal blank Section distance does not move, and then can be the metal plate of side placed on it after the movable mandril of each floating support head is stablized Material determines one and the consistent supporting surface of its lower surface fluctuating, at this time pushes up the pushing block of each floating support head, pushing block band It moves the quill above it to move up, the inner conical surface of quill, which moves up, acts on the male cone (strobilus masculinus) that elasticity holds set tightly, and elasticity is held tightly Set is squeezed and shrinks, holding activity mandril, the movement of limitation activity mandril, so that the movable mandril of floating support head is equal In stationary state, so that the workpiece for side placed on it provides the support stablized and agreed with workpiece lower surface, convenient for plate The milling equality process operation of material.

When using above-mentioned floating support head, 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 pushing block, movable sleeve The inner conical surface of cylinder, 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, holding activity mandril, limit The movement of activity mandril processed, 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, The distance that moves down of i.e. movable mandril is continuously adjusted, and the workpiece of different situations is applicable to, when multiple floating support heads are applied in combination When supporting workpiece, the movable mandril of each floating support head move down distance according to workpiece lower surface bending degree it is different without Together, therefore the support that there is curved workpiece to lower surface may be implemented, and keeps the natural torsion state of workpiece, structure is skilful It is wonderful, it is easy to operate；

In addition, it uses threaded connection, easy to disassemble, i.e., convenient maintenance and cleaning to floating support head, convenient for shell The replacement of intracorporal easy loss part；In addition, the setting of its arcwall face or spherical, so that being point contact to the support of workpiece Support, guarantee support precision；In addition, playing certain position-limiting action to spring in its convex block insertion spring, preventing spring The support force for shifting and influencing 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 floating support head, it is characterised in that: hold set (3a), activity tightly including shell (1a), movable mandril (2a), elasticity Sleeve (4a), bottom cover (5a) and pushing block (6a), the bottom cover (5a) connect with the lower end shell (1a), thus at shell (1a) and bottom A cavity is formed between lid (5a), a through-hole (7a) penetrated for movable mandril (2a), institute are provided on shell (1a) top plate It states elasticity holding set (3a) to be set on the outside of movable mandril (2a), the quill (4a), which is set in elasticity and holds tightly, covers (3a) outside Side, the elasticity holds set (3a) tightly and quill (4a) is respectively positioned in shell (1a), and the quill (4a) can be upper and lower Activity, the quill lower end (4a) pass through bottom cover (5a) and are fixedly connected with pushing block (6a), connect on the pushing block (6a) There is driving mechanism；

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.

2. floating support head according to claim 1, it is characterised in that: shell (1a) lower end is provided with internal screw thread, It 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. floating support head according to claim 1, it is characterised in that: the top (9a) and cylinder (8a) inner thread Connection.

4. floating support head according to claim 1, it is characterised in that: the top top surface (9a) is arcwall face or ball Shape face.

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

6. floating support head according to claim 1, it is characterised in that: have one on the inner wall of cylinder (8a) lower part Inside flange part (14a), the end lower surface and the flange part upper surface (14a) of the connecting rod (10a) connect.

7. floating support head according to claim 6, it is characterised in that: also there is an installation sleeve (29a), this installation set The cylinder upper end (29a) has an outside flange, and the connecting rod (10a) penetrates in installation sleeve (29a), and connecting rod (10a) End lower surface and installation sleeve (29a) lug upper surface connect, the flange lower surface of this installation sleeve (29a) with The flange part upper surface (14a) of cylinder (8a) connects.

8. floating support head according to claim 1, it is characterised in that: shell (1a) top plate lower surface is provided with one Collar stop (16a), this block (16a) are circumferentially arranged along through-hole (7a), and the lower surface of the block (16a) and elasticity are held tightly and covered The top surface (3a) connects.

9. floating support head according to claim 1, it is characterised in that: shell (1a) cover top surface is taper Face.