CN213198780U

CN213198780U - Anchor clamps with PEEK capillary flanging device

Info

Publication number: CN213198780U
Application number: CN202021850847.6U
Authority: CN
Inventors: 李印; 李军; 冯习; 谭宗尚; 朱冠南
Original assignee: Jiangsu Junhua High Performance Specialty Engineering Plastics Peek Products Co ltd
Current assignee: Jiangsu Junhua Special Polymer Materials Co.,Ltd.
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-05-14
Anticipated expiration: 2030-08-28

Abstract

The utility model provides an anchor clamps with PEEK capillary flanging device, including anchor clamps main part and turn-ups template, press from both sides tight section of thick bamboo tip and be equipped with a plurality of first slits along circumference, the latch segment is equipped with along the axial and presss from both sides tight section of thick bamboo complex second through-hole, the latch segment includes the toper clamping part that sets gradually along the axial, screw thread portion and tongs, toper clamping part is equipped with a plurality of second slits along circumference, the locking head is equipped with the play tube hole that feeds through in proper order along the axial, dodge the groove, bell mouth and screw hole, it corresponds with the part that presss from both sides tight section of thick bamboo and stretches out the latch segment to dodge the groove, the bell mouth corresponds with toper clamping part position, the bell mouth tapering is greater than toper clamping part tapering, screw hole and latch segment screw thread portion threaded connection, be equipped with. The utility model provides a pair of anchor clamps with PEEK capillary flanging device adopts PEEK as raw and other materials, and is softer than aluminium, avoids pressing from both sides and hinders the capillary surface to fatigue resistance is very good, can use for a long time.

Description

Anchor clamps with PEEK capillary flanging device

Technical Field

The utility model relates to an anchor clamps technical field especially relates to an anchor clamps with PEEK capillary flanging device.

Background

Many instruments in the analytical instrument industry need to use fluoroplastic capillaries or PEEK capillaries to convey liquid or gas, and the capillaries are often connected in a flanging mode when the tail ends of pipelines are connected. The connection mode is convenient and fast, the capillary tube cannot be twisted during locking, and the sealing reliability is good. And is therefore used in large quantities. And conventional turn-ups machine frock clamp is too simple, has following problem: 1. the poor positioning accuracy can result in the pipe being turned over after the pipe is turned over. 2. Too large a gap results in a raised line on the reverse side of the cuff. 3. The clamping force is insufficient, and the PEEK capillary, the PTFE tube or the fluoroplastic capillary is easy to slip. 4. The material is hard, and the middle part of the material is easy to clamp and damage the capillary.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: in order to overcome the defects in the prior art, the utility model provides an anchor clamps with PEEK capillary flanging device.

The utility model provides a technical scheme that its technical problem will adopt is: a clamp with a PEEK capillary flanging device comprises a clamp main body and a flanging template, wherein the main body comprises a clamping cylinder, a locking block and a locking head, the clamping cylinder, the locking block and the locking head are all made of PEEK materials, the clamping cylinder is axially provided with a first through hole matched with the outer wall surface of a capillary, the end part of the clamping cylinder is uniformly provided with a plurality of first slits along the circumferential direction, the locking block is axially provided with a second through hole matched with the clamping cylinder, the locking block comprises a conical clamping part, a threaded part and a gripper which are sequentially arranged along the axial direction, the front end of the conical clamping part is uniformly provided with a plurality of second slits along the circumferential direction, the locking head is axially provided with a pipe outlet hole, a dodging groove, a conical hole and a threaded hole which are sequentially communicated, the pipe outlet hole is matched with the outer wall surface of the capillary, the dodging groove corresponds to the part of the clamping cylinder, which extends out of the locking block, and the conical hole corresponds to the conical, the taper of the tapered hole is larger than that of the tapered clamping part, the threaded hole is in threaded connection with the threaded part of the locking block, and a driving device for driving the locking head to be close to the flanging template is arranged on the locking head.

In order to solve the problem of clamping damage of the capillary, the clamp material cannot be too hard, has certain rigidity and high temperature resistance, and has good fatigue resistance, so that the clamp can be ensured to be used for a long time, and the clamping cylinder, the locking block and the locking head are made of PEEK5600G materials; the locking block is screwed into the locking head by screwing the gripper, the locking block is in threaded fit with the locking head, the tapered hole presses the tapered clamping part, the tapered clamping part is folded along the second slit to press the clamping barrel, and the clamping barrel is contracted along the first slit to clamp the capillary tube so as to fix the position of the capillary tube; the driving device drives the locking head to be close to the flanging template and is used for flanging the capillary tube.

Further, carry out the turn-ups near the turn-ups template for driving the locking head to the capillary, drive arrangement includes electro-magnet and magnetism connecting plate, electro-magnet and magnetism connecting plate set up relatively, magnetism connecting plate cover is located the turn-ups template outside with turn-ups template fixed connection, be equipped with the bearing between electro-magnet and the locking head, locking head and bearing inner race fixed connection, electro-magnet and bearing outer lane fixed connection, be equipped with a plurality of springs between electro-magnet and the magnetism connecting plate.

When the electromagnet is electrified, the electromagnet and the magnetic connecting plate attract each other to drive the capillary tube on the locking head to be close to the flanging template, so that the capillary tube is flanged; after the flanging is finished, the electromagnet is powered off, the electromagnet is far away from the magnetic connecting plate under the action of the spring, and the capillary tube after flanging is driven to be far away from the flanging template. A bearing is arranged between the electromagnet and the locking head, and the locking head is rotated left and right when the electromagnet is close to the flanging template, so that the flanging forming of the capillary tube is ensured.

Furthermore, the driving device further comprises a plurality of bolts and nuts, the bolts sequentially penetrate through the electromagnets, the springs and the magnetic connecting plates, the nuts are arranged on one sides, far away from the electromagnets, of the magnetic connecting plates and are in threaded connection with the bolts, and nuts of the bolts are in welded connection with the electromagnets. The bolt can lead the spring, and during the spring shrink, ensure that capillary and flanging die plate position correspond, the cooperation of bolt and nut simultaneously can control the distance between locking head and the flanging die plate under the electro-magnet outage state to control the capillary and stretch out the length of locking head, ensure that the capillary turn-ups is accurate.

Furthermore, a plurality of first slits are arranged at two ends of the clamping cylinder, and the first slits at two ends of the clamping cylinder are arranged in a staggered mode. The first slits are arranged at the two ends of the clamping cylinder, so that the situation that the position is reversed when a worker puts the clamping cylinder into the locking block can be prevented.

Further, one side of the flanging die plate, which is close to the locking head, is provided with a cavity, the middle position of the cavity extends towards the locking head to form a limiting column matched with the through hole in the capillary tube, and the top end of the limiting column is provided with a chamfer.

Furthermore, one side of the flanging template, which is far away from the locking head, is provided with a heating device, and the flanging template is provided with a heat conducting rod connected with the heating device.

The utility model has the advantages that:

1. the clamp can clamp or loosen the capillary tube only by screwing or loosening a thread, and can be realized only by two hands without an inner hexagonal wrench, so that the production efficiency is greatly improved;

2. the clamp adopts PEEK as a raw material, is softer than aluminum, avoids clamping the surface of a capillary tube, has very good fatigue resistance and can be used for a long time;

3. the flanging position of the orifice of the clamp is free of a gap, the flanging pipe is of a full-circle structure, and the flanging pipe cannot enter the gap when being thermally deformed, so that 2 protruding lines are left on the flanging, and the sealing performance of a pipeline is affected;

4. the inner hole of the clamping pipe is of a full-circle structure, so that the lower part of the flanging is not elliptical due to inaccurate positioning;

5. the clamping force is large, the flange is not easy to slip during flanging, the flange is scrapped, and the yield is improved;

6. the hand can be evenly atred when holding the turn-ups, and convenient the holding is tight, convenient operation, not tired the hand.

Drawings

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

FIG. 1 is a schematic structural diagram of a preferred embodiment of the present invention;

FIG. 2 is a schematic view of the structure of the clamp body;

FIG. 3 is a schematic view of the construction of the clamping cylinder;

FIG. 4 is a schematic view of the locking block;

FIG. 5 is a schematic view of the locking head;

fig. 6 is a schematic structural view of the hemming die plate.

In the figure: 1. the clamping device comprises a clamping cylinder, 2, a locking block, 2-1, a conical clamping part, 2-2, a threaded part, 2-3, a gripper, 3, a locking head, 3-1, a pipe outlet hole, 3-2, an avoidance groove, 3-3, a conical hole, 3-4, a threaded hole, 4, a flanging template, 4-1, a cavity, 4-2, a limiting column, 4-3, a heat conducting rod, 5, a capillary tube, 6, a first through hole, 7, a first slit, 8, a second through hole, 9, a second slit, 10, an electromagnet, 11, a magnetic connecting plate, 12, a bearing, 13, a spring, 14, a nut, 15 and a bolt.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

As shown in figures 1-6, the utility model discloses a fixture with PEEK capillary flanging device, including the anchor clamps main part and locate main part the place ahead turn-ups template 4, the main part includes a clamping section of thick bamboo 1, latch segment 2 and latch head 3, a clamping section of thick bamboo 1 is equipped with along the axial with capillary 5 outer wall complex first through-hole 6, a clamping section of thick bamboo 1 tip evenly is equipped with four first slits 7 along circumference, latch segment 2 along the axial be equipped with a clamping section of thick bamboo 1 complex second through-hole 8, latch segment 2 includes the toper clamping part 2-1, screw thread portion 2-2 and tongs 2-3 that set gradually along the axial, toper clamping part 2-1 front end evenly is equipped with two second slits 9 along circumference, latch head 3 is equipped with the pore of going out 3-1, dodge groove 3-2 that communicate in proper order along the axial, The taper hole 3-3 and the screw hole 3-4, go out the cooperation of tube hole 3-1 and 5 outer wall faces of capillary, it corresponds with the part that presss from both sides tight section of thick bamboo 1 and stretch out latch segment 2 to dodge groove 3-2, taper hole 3-3 corresponds with toper clamping part 2-1 position, the taper of taper hole 3-3 is greater than toper clamping part 2-1 tapering, screw hole 3-4 with 2 screw thread portions 2-2 threaded connection of latch segment, latch segment 2 is the tapered joint of M12 ribbon 30, and the inside M12 internal thread and the interior taper of 40 that has of latch segment 3, the diameter 4.1mm hole clearance fit of the excircle of tight section of thick bamboo 1 and latch segment 2, unilateral clearance are about 0.02mm, and the hole that presss from both sides tight section of thick bamboo 1 is about 0.01mm to 0.05mm than the pipe diameter that needs the turn-ups.

Locking head 3 is last to be equipped with the drive locking head 3 and to be close to the drive arrangement of turn-ups template 4, drive arrangement includes electro-magnet 10 and magnetism connecting plate 11, electro-magnet 10 and magnetism connecting plate 11 set up relatively, magnetism connecting plate 11 cover is located 4 outsides of turn-ups template with 4 fixed connection of turn-ups template, be equipped with bearing 12 between electro-magnet 10 and the locking head 3, locking head 3 and bearing 12 inner circle fixed connection, electro-magnet 10 and bearing 12 outer lane fixed connection, be equipped with a plurality of springs 13 between electro-magnet 10 and the magnetism connecting plate 11.

The driving device further comprises a plurality of bolts 15 and nuts 14, the bolts 15 sequentially penetrate through the electromagnets 10, the springs 13 and the magnetic connecting plate 11, the nuts 14 are arranged on one side, away from the electromagnets 10, of the magnetic connecting plate 11 and in threaded connection with the bolts 15, and nuts of the bolts 15 are in welded connection with the electromagnets 10.

The two ends of the clamping cylinder 1 are provided with four first slits 7, and the first slits 7 at the two ends of the clamping cylinder 1 are arranged in a staggered mode.

A cavity 4-1 is arranged on one side, close to the locking head 3, of the flanging die plate 4, a limiting column 4-2 matched with a through hole in the capillary 5 extends from the middle of the cavity 4-1 to the locking head 3, and a chamfer is arranged at the top end of the limiting column 4-2.

And a heating device is arranged on one side of the flanging template 4, which is far away from the locking head 3, and a heat conducting rod 4-3 connected with the heating device is arranged on the flanging template 4.

The working process is as follows:

after the clamping cylinder 1 is arranged in the locking block 2, the clamping cylinder is integrally screwed into the locking head 3, then a pipe needing flanging is inserted from the tail part of the locking block 2, a certain distance is leaked from the head part of the locking head 3, the leaked distance is determined according to the maximum outer diameter of the flanging of a client, the distance between the electromagnet 10 and the magnetic connecting plate 11 is adjusted, the extending length of the capillary tube 5 is controlled, and finally the thread is screwed to fix the capillary tube 5.

Heating device heats flanging die plate 4, and with electro-magnet 10 circular telegram, locking head 3 drives capillary 5 and is close to flanging die plate 4 direction, and spacing post 4-2 on flanging die plate 4 inserts in the through-hole on capillary 5, and the removal in-process, the staff need control the rotation at the in-process that capillary 5 gos forward, ensures the turn-ups quality.

After the capillary 5 is turned over, the locking block 2 is screwed out by a plurality of teeth, and then the clamping cylinder 1 rebounds to loosen the clamping of the tube, so that the tube is drawn out.

Directions and references (e.g., up, down, left, right, etc.) in the present disclosure may be used solely to aid in the description of the features in the figures. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a anchor clamps with PEEK capillary flanging device which characterized in that: the clamp comprises a clamp main body and a flanging template (4), wherein the main body comprises a clamping cylinder (1), a locking block (2) and a locking head (3), the clamping cylinder (1), the locking block (2) and the locking head (3) are all made of PEEK (polyetheretherketone), the clamping cylinder (1) is axially provided with a first through hole (6) matched with the outer wall surface of a capillary tube (5), the end part of the clamping cylinder (1) is uniformly provided with a plurality of first slits (7) along the circumferential direction, the locking block (2) is axially provided with a second through hole (8) matched with the clamping cylinder (1), the locking block (2) comprises a conical clamping part (2-1), a threaded part (2-2) and a gripper (2-3) which are sequentially arranged along the axial direction, the front end of the conical clamping part (2-1) is uniformly provided with a plurality of second slits (9) along the circumferential direction, and the locking head (3) is axially provided with a discharge hole (3-1) which is sequentially communicated, Dodge groove (3-2), bell mouth (3-3) and screw hole (3-4), go out tube hole (3-1) and capillary (5) outer wall cooperation, it corresponds with the part that clamping cylinder (1) stretches out latch segment (2) to dodge groove (3-2), bell mouth (3-3) correspond with toper clamping part (2-1) position, bell mouth (3-3) tapering is greater than toper clamping part (2-1) tapering, screw hole (3-4) with latch segment (2) screw thread portion (2-2) threaded connection, be equipped with the drive locking head (3) on locking head (3) and be close to the drive arrangement of turn-ups template (4).

2. The clamp with the PEEK capillary flanging device as claimed in claim 1, wherein: the driving device comprises an electromagnet (10) and a magnetic connecting plate (11), wherein the electromagnet (10) and the magnetic connecting plate (11) are arranged relatively, the magnetic connecting plate (11) is sleeved on the flanging die plate (4) outside and the flanging die plate (4) is fixedly connected, a bearing (12) is arranged between the electromagnet (10) and a locking head (3), the locking head (3) is fixedly connected with an inner ring of the bearing (12), the electromagnet (10) is fixedly connected with an outer ring of the bearing (12), and a plurality of springs (13) are arranged between the electromagnet (10) and the magnetic connecting plate (11).

3. The clamp with the PEEK capillary flanging device as claimed in claim 2, wherein: the driving device further comprises a plurality of bolts (15) and nuts (14), the bolts (15) sequentially penetrate through the electromagnets (10), the springs (13) and the magnetic connecting plates (11), the nuts (14) are arranged on one sides, far away from the electromagnets (10), of the magnetic connecting plates (11) and in threaded connection with the bolts (15), and nuts of the bolts (15) are in welded connection with the electromagnets (10).

4. The clamp with the PEEK capillary flanging device as claimed in claim 1, wherein: a plurality of first slits (7) are arranged at two ends of the clamping cylinder (1), and the first slits (7) at two ends of the clamping cylinder (1) are arranged in a staggered mode.

5. The clamp with PEEK capillary flanging device of any one of claims 1-4, wherein: one side of the flanging die plate (4) close to the locking head (3) is provided with a die cavity (4-1), the middle position of the die cavity (4-1) extends towards the locking head (3) to form a limiting column (4-2) matched with the upper through hole of the capillary tube (5), and the top end of the limiting column (4-2) is provided with a chamfer.

6. The clamp with the PEEK capillary flanging device provided by claim 5 is characterized in that: and a heating device is arranged on one side of the flanging template (4) far away from the locking head (3), and a heat conducting rod (4-3) connected with the heating device is arranged on the flanging template (4).