CN212714018U

CN212714018U - Air pressure type adaptive curved surface pricking needle chuck

Info

Publication number: CN212714018U
Application number: CN202021413855.4U
Authority: CN
Inventors: 胡海波
Original assignee: Zhejiang Junsheng New Material Technology Co Ltd
Current assignee: Zhejiang Junsheng New Material Technology Co Ltd
Priority date: 2020-07-17
Filing date: 2020-07-17
Publication date: 2021-03-16
Anticipated expiration: 2030-07-17

Abstract

The technical scheme of the utility model is realized like this: a puncture needle chuck with a pneumatic self-adaptive curved surface comprises a pushing mechanism and at least two puncture units for puncturing the surface of a workpiece; the pushing mechanism is used for controlling the pricking ends of the pricking units to be tightly attached to the surface to be pricked of the workpiece before the pricking units prick; the utility model has the advantages that: the pricking pin is suitable for pricking various curved surfaces, can finish processing of workpieces with different shapes, and has the advantages of wide application range, strong practicability and easy popularization and use.

Description

Air pressure type adaptive curved surface pricking needle chuck

Technical Field

The utility model belongs to the technical field of handicraft producing tool technique and specifically relates to a felting needle chuck of vapour-pressure type self-adaptation curved surface.

Background

In recent years, various kinds of artware are very popular in domestic and international markets; the wool fiber artware needs to be subjected to needling processing, and the conventional manual needling mode is gradually replaced by a needling machine; in the manufacture of non-woven needling artware, the pricking pin clamps applied to the pricking machine in the market at present are generally flat-head fixed, are only suitable for pricking with a plane, cannot be suitable for curved surfaces, and are particularly not suitable for pricking curved surface felts with different changes in motion.

SUMMERY OF THE UTILITY MODEL

To the deficiency that exists in the prior art, the utility model aims to provide a felting needle chuck of vapour-pressure type self-adaptation curved surface, applicable in the prick of various curved surfaces.

The technical scheme of the utility model is realized like this: the utility model provides a felting needle chuck of vapour-pressure type self-adaptation curved surface which characterized in that: comprises a propelling mechanism and at least two pricking units used for pricking the workpiece; the pushing mechanism is used for controlling the pricking ends of the pricking units to cling to the surface to be pricked of the workpiece before the pricking units prick, wherein the pricking ends of the pricking units are pricking action ends of pricking pins in the pricking units, and the pushing mechanism pushes the pricking units towards the surface to be pricked of the workpiece by pushing the pricking units and enables the pricking ends of the pricking units to cling to the surface to be pricked of the workpiece.

Preferably: the pushing mechanism is used for driving each pricking unit to move to the workpiece and pushing each pricking unit to enable the pricking end to be tightly attached to the surface of the workpiece to be pricked.

The pricking units are arranged on the pushing mechanism, before the workpiece is pricked, the pricking units are pushed by the pushing mechanism to enable the pricking units to be pushed to jack the pricking ends to the surface to be pricked of the workpiece, when the surface to be pricked is a curved surface, the pricking units can still be attached to the surface to be pricked of the workpiece, and at the moment, the moving distances of the pricking units are different.

Preferably: the propelling mechanism comprises a clamp support, a first power unit and an elastic unit, wherein the clamp support can be used for the pricking unit to move on, the first power unit is used for controlling the clamp support to move, the elastic unit is used for pushing the pricking end of the pricking unit to tightly attach to a workpiece, the propelling mechanism is arranged on the workbench, the first power unit is fixedly connected with the workbench, and the clamp support is connected with the workbench in a sliding mode.

Preferably: the anchor clamps support includes left baffle and right baffle, all set up the guide hole that can supply to prick the unit and pass on left baffle and the right baffle, it erects to prick the unit and pass the guide hole and be in just can remove about on left baffle and right baffle.

Preferably: prick thorn unit prick thorn end and lie in one side of anchor clamps support, first power pack lies in the anchor clamps support and keeps away from the one side of pricking the thorn end of pricking the thorn unit, elastic unit establishes outer spring and fixed outer clamping ring on pricking the thorn unit outer wall including the cover on pricking the thorn unit, outer spring and outer clamping ring all lie in between left baffle and the right baffle, just outer clamping ring sets up and is being close to its one side of pricking the end pricking the thorn unit, the both ends of outer spring are kept away from the one end fixed connection who pricks the thorn end of pricking the thorn unit with outer clamping ring and anchor clamps support respectively.

Preferably: prick the unit and include the felting needle, be used for controlling the felting needle to prick the second power unit that pricks and be used for pricking the reset unit that the felting needle resets after the felting needle is accomplished to the felting needle, prick the unit outside and still be provided with inside hollow guide arm, prick the unit and install through the guide arm advancing mechanism is last, inside felting needle and the second power unit all located the guide arm, just the syringe needle of felting needle is close to prick the end of guide arm, prick the end of guide arm and prick the end of stinging the unit promptly.

Preferably: the second power unit comprises a push rod, a sealing ring, an air inlet pipe and a pricking cylinder, wherein two ends of the push rod are respectively connected with the pricking pin and the sealing ring, a closed air cavity is formed between the sealing ring and the outer wall of the guide rod, one end of the air inlet pipe is connected with the pricking cylinder, and the other end of the air inlet pipe penetrates through the guide rod and is communicated with the air cavity; the prick air cylinder is fixed on the workbench.

Preferably: the utility model discloses a setting device, including the guide arm inside guide rail, the setting device is including setting up the interior spring and interior clamping ring on the push rod including the cover, interior clamping ring in including fixed clamping ring and the activity, the clamping ring in fixed clamping ring is fixed on the guide arm inside wall and is located the one end that is close to the felting needle on the push rod, clamping ring fixes the one end of keeping away from the felting needle on the push rod in the activity, the interior spring is located in fixed clamping ring and the activity between the clamping ring and the both ends.

Preferably: the puncture needle is detachably connected with the second power unit.

The utility model has the advantages that: the utility model controls the distance between each felting needle and the surface to be pricked of the workpiece to be equal through the arrangement of the pushing mechanism, and then pricks the workpiece, because the guide rod and the positive and negative acting forces of the felting needles in the guide rod are the same in the support cylinder and the outer spring, each felting needle can achieve the purpose of generating the same acting force and the same pricking depth on the surface of the workpiece, thereby finishing the purpose of uniformly pricking different curved surfaces in the moving process; the processing tool can be suitable for pricking various curved surfaces, can finish processing of workpieces with different shapes, and has wide application range and strong practicability.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a top view of an embodiment of the present invention;

FIG. 2 is a schematic structural view of a pricking unit according to an embodiment of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is an enlarged schematic view at B of FIG. 2;

FIG. 5 is a schematic structural view of the pricking unit of the present invention during pricking operation;

FIG. 6 is a schematic structural view of the present invention during pricking operation;

FIG. 7 is a schematic structural view of a clamp holder according to an embodiment of the present invention;

the examples in the figure are: 1. the fixture comprises a fixture support, 101, a left baffle, 102, a right baffle, 103 and a guide hole. 2. The device comprises a support cylinder, 3, an outer spring, 4, an outer pressure ring, 5, a puncture needle, 6, a guide rod, 7, a push rod, 8, a sealing ring, 9, an air inlet pipe, 10, a puncture cylinder, 11, an air cavity, 12, an inner spring, 13, a fixed inner compression ring, 14 and a movable inner compression ring.

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 efforts belong to the protection scope of the present invention.

Example 1

As shown in fig. 1-7, the utility model discloses a the technical scheme of the utility model is realized like this: the utility model provides a felting needle 5 chuck of vapour-pressure type self-adaptation curved surface in the embodiment of the utility model, include: the punching device comprises a propelling mechanism and at least two punching units for punching a workpiece, wherein the number of the punching units is six in the embodiment, and each punching unit can control a punching needle 5 in the punching unit to punch the surface of the workpiece; the pushing mechanism is used for controlling the pricking ends of the pricking units to cling to the surface to be pricked of the workpiece before the pricking units prick, wherein the pricking ends of the pricking units are pricking action ends of pricking pins 5 in the pricking units, and the pushing mechanism pushes the pricking units towards the surface to be pricked of the workpiece by pushing the pricking units and enables the pricking ends of the pricking units to cling to the surface to be pricked of the workpiece.

In this embodiment, the pushing mechanism is configured to drive each pricking unit to move to the workpiece and push each pricking unit to make the pricking end of each pricking unit stick to the surface to be pricked of the workpiece.

In this embodiment, advancing mechanism includes that can supply to prick anchor clamps support 1 that the unit moved on it, be used for controlling anchor clamps support 1 and remove the elastic element who is used for promoting to prick the unit and prick the end and paste tight work piece of thorn unit, first power element is support cylinder 2, fix through the screw between support cylinder 2 and the anchor clamps, advancing mechanism sets up on the workstation, first power element and workstation fixed connection, anchor clamps support and workstation sliding connection.

In this embodiment, the fixture support 1 includes a left baffle 101 and a right baffle 102, the left baffle 101 and the right baffle 102 are both provided with a guide hole 103 through which a pricking unit can pass, and the pricking unit is erected on the left baffle 101 and the right baffle 102 through the guide hole 103 and can move left and right on the left baffle 101 and the right baffle 102.

In this embodiment, prick thorn end that pricks the unit and be located the left side of anchor clamps support 1, first power unit is located anchor clamps support 1 and keeps away from the right side that pricks thorn end of pricking the unit, elastic unit establishes outer spring 3 and fixed outer pressure ring 4 on pricking the unit outer wall including the cover on pricking the unit, outer spring 3 and outer pressure ring 4 all are located between left baffle 101 and the right baffle 102, just outer pressure ring 4 sets up and is being close to its one side of pricking the end pricking the unit, the both ends of outer spring 3 are kept away from the one end fixed connection who pricks thorn end of pricking the unit with outer pressure ring 4 and anchor clamps support 1 respectively.

In this embodiment, prick the unit including the felting needle 5 that has the barb, be used for controlling the felting needle 5 to prick the second power unit that punctures and be used for the reset unit that the felting needle 5 resets after pricking 5 completion, prick the unit outside and still be provided with inside hollow guide arm 6, prick the unit and install through guide arm 6 advancing mechanism is last, 6 insides of guide arm are all located to felting needle 5 and second power unit, just the syringe needle of felting needle 5 is close to the end of pricking of guide arm 6, the end of pricking of guide arm 6 is promptly pricked the end of pricking the unit, prick the cylinder and fix on the workstation.

In this embodiment, the second power unit includes push rod 7, sealing washer 8, intake pipe 9 and prick thorn cylinder 10, the both ends of push rod 7 are connected with felting needle 5 and sealing washer 8 respectively, form inclosed air cavity 11 between sealing washer 8 and the guide arm 6 outer wall, the one end of intake pipe 9 is connected with prick thorn cylinder 10, and the other end penetrates guide arm 6 and air cavity 11 intercommunication, and the setting of sealing washer 8 guarantees the leakproofness of air cavity 11, guarantees the normal work of push rod 7.

In this embodiment, the reset unit establishes interior spring 12 and interior clamping ring on push rod 7 including the cover, interior clamping ring is including fixed interior clamping ring 13 and activity interior clamping ring 14, fixed interior clamping ring 13 is fixed on 6 inside walls of guide arm and is located the one end that is close to felting needle 5 on push rod 7, the one end of keeping away from felting needle 5 on push rod 7 is fixed to activity interior clamping ring 14, interior spring 12 is located between fixed interior clamping ring 13 and the activity interior clamping ring 14 and the both ends of this interior spring 12 welded fastening respectively on fixed interior clamping ring 13 and activity interior clamping ring 14.

In this embodiment, the lancet 5 is detachably connected to the second power unit, and in this embodiment, the lancet 5 is connected to the push rod 7 by a screw.

The working principle is as follows: before pricking, the support cylinder 2 is operated to push the clamp support 1 and each pricking unit on the clamp support 1 to move towards the workpiece, the guide rod 6 of each pricking unit is pushed to the surface of the workpiece to be pricked and then is pushed to a certain distance, the guide rod 6 is ensured to be attached to the workpiece, the workpiece generates reaction force to enable the guide rod 6 to retract in the pushing process, the force is continuously transmitted to the outer spring 3 through the guide rod 6 and the outer ring 4, the outer spring 3 is extruded by the outer ring 4, the outer spring 3 generates a counterforce to ensure that the guide rod 6 is tightly attached to the surface of the workpiece with the prick, when the curved surface is pricked, the clamp guide rods 6 are shoveled by different retraction distances due to different curved surface positions, the guide rods 6 and the prickers 5 in the guide rods 6 are respectively distributed at the curve point positions which are tightly attached to the curved surface to be pricked through the elasticity of the outer spring 3, so that the pushing work before the pricking is finished; then controlling the pricking cylinder 10 to work, pushing the push rod 7 under the action of air pressure in the air cavity 11 to drive the pricking pin 5 to penetrate out of the guide rod 6 to prick the surface of the workpiece, driving the internal movable internal compression ring to move to extrude the internal spring 12 by the push rod 7 when the push rod 7 moves, exhausting and reducing pressure by the pricking cylinder 10 after the pricking action is finished, resetting the pricking pin 5 and the push rod 7 through the resilience force of the internal spring 12, and simultaneously controlling the support cylinder 2 to drive the clamp support 1 and the guide rod 6 to reset; the pricking of one surface is completed, the workpiece is controlled to move, in the embodiment, the movement mode of the workpiece is rotation, when the movement of the workpiece is switched to the pricking surface, the curved surface of the surface to be pricked of the workpiece may change, the pricking operation is repeated at the moment, each guide rod 6 can retract differently according to the change of the curved surface, and the pricking is repeated until each surface of the workpiece is pricked, so that the pricking of the surface of the special-shaped workpiece is completed.

Through the technical scheme: the utility model controls the distance between each felting needle and the surface to be pricked of the workpiece to be equal through the arrangement of the pushing mechanism, and then pricks the workpiece, because the guide rod and the positive and negative acting forces of the felting needles in the guide rod are the same in the support cylinder and the outer spring, each felting needle can achieve the purpose of generating the same acting force and the same pricking depth on the surface of the workpiece, thereby finishing the purpose of uniformly pricking different curved surfaces in the moving process; the processing tool can be suitable for pricking various curved surfaces, can finish processing of workpieces with different shapes, and has wide application range and strong practicability.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a felting needle chuck of vapour-pressure type self-adaptation curved surface which characterized in that: comprises a propelling mechanism and at least two pricking units used for pricking the workpiece; the pushing mechanism is used for controlling the pricking ends of the pricking units to be tightly attached to the surface to be pricked of the workpiece before the pricking units prick.

2. The air pressure type adaptive curved surface puncture needle cartridge according to claim 1, wherein: the pushing mechanism is used for driving each pricking unit to move to the workpiece and pushing each pricking unit to enable the pricking end to be tightly attached to the surface of the workpiece to be pricked.

3. The air pressure type adaptive curved surface puncture needle cartridge according to claim 1, wherein: the pushing mechanism comprises a clamp support, a first power unit and an elastic unit, wherein the clamp support can be used for the pricking unit to move on, the first power unit is used for controlling the clamp support to move, and the elastic unit is used for pushing the pricking end of the pricking unit to be attached to a workpiece.

4. The air pressure type adaptive curved surface puncture needle cartridge according to claim 3, wherein: the anchor clamps support includes left baffle and right baffle, all set up the guide hole that can supply to prick the unit and pass on left baffle and the right baffle, it erects to prick the unit and pass the guide hole and be in just can remove about on left baffle and right baffle.

5. The air pressure type adaptive curved surface puncture needle cartridge according to claim 4, wherein: prick thorn unit prick thorn end and lie in one side of anchor clamps support, first power pack lies in the anchor clamps support and keeps away from the one side of pricking the thorn end of pricking the thorn unit, elastic unit establishes outer spring and fixed outer clamping ring on pricking the thorn unit outer wall including the cover on pricking the thorn unit, outer spring and outer clamping ring all lie in between left baffle and the right baffle, just outer clamping ring sets up and is being close to its one side of pricking the end pricking the thorn unit, the both ends of outer spring are kept away from the one end fixed connection who pricks the thorn end of pricking the thorn unit with outer clamping ring and anchor clamps support respectively.

6. The needle chuck according to any one of claims 1 to 5, wherein: prick the unit and include the felting needle, be used for controlling the felting needle to prick the second power unit that pricks and be used for the reset unit that the felting needle resets after the felting needle is accomplished to prick, prick the unit outside and still be provided with inside hollow guide arm, prick the unit and pass through the guide arm and install propulsion mechanism is last, inside felting needle and second power unit all located the guide arm.

7. The air pressure type adaptive curved surface puncture needle cartridge according to claim 6, wherein: the second power unit comprises a push rod, a sealing ring, an air inlet pipe and a pricking cylinder, wherein two ends of the push rod are respectively connected with the pricking pin and the sealing ring, a closed air cavity is formed between the sealing ring and the outer wall of the guide rod, one end of the air inlet pipe is connected with the pricking cylinder, and the other end of the air inlet pipe penetrates through the guide rod and is communicated with the air cavity.

8. The air pressure type adaptive curved surface puncture needle cartridge according to claim 6, wherein: the utility model discloses a setting device, including the guide arm inside guide rail, the setting device is including setting up the interior spring and interior clamping ring on the push rod including the cover, interior clamping ring in including fixed clamping ring and the activity, the clamping ring in fixed clamping ring is fixed on the guide arm inside wall and is located the one end that is close to the felting needle on the push rod, clamping ring fixes the one end of keeping away from the felting needle on the push rod in the activity, the interior spring is located in fixed clamping ring and the activity between the clamping ring and the both ends.

9. The air pressure type adaptive curved surface puncture needle cartridge according to claim 6, wherein: the puncture needle is detachably connected with the second power unit.