CN215096466U

CN215096466U - Clamping assembly capable of quickly replacing needle rod

Info

Publication number: CN215096466U
Application number: CN202120856171.XU
Authority: CN
Inventors: 汪克伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-04-23
Filing date: 2021-04-23
Publication date: 2021-12-10
Anticipated expiration: 2031-04-23

Abstract

The utility model relates to a but centre gripping subassembly of quick replacement needle bar, including mounting bracket, a plurality of needle bars and each needle bar pivoted driving piece of drive, each needle bar all rotates the setting on the mounting bracket, through worm wheel, worm transmission between driving piece and each needle bar, the output shaft lug connection or the indirect connection of worm and driving piece, and the horizontal setting of worm along the mounting bracket, worm wheel and worm screw-thread fit, and correspond each needle bar position and all be equipped with a worm wheel, be equipped with the connecting piece between each worm wheel and the needle bar that corresponds, connecting piece one end and worm wheel rotate in step, the other end is equipped with the slot, correspond on the needle bar and be equipped with the inserted block, the inserted block is inserted and is established in the slot that corresponds. Adopt above-mentioned technical scheme, the utility model provides a but centre gripping subassembly of quick replacement needle bar through the cooperation of worm gear to and the needle bar through the grafting cooperation with the connecting piece, realize the rotation of needle bar, and make needle bar easy dismounting, improve work efficiency.

Description

Clamping assembly capable of quickly replacing needle rod

Technical Field

The utility model relates to a but centre gripping subassembly of quick replacement needle bar.

Background

In the prior art, when marking a workpiece, such as a pen shell, the workpiece needs to be installed on the needle rod, the needle rod is installed on the installation frame and is arranged in a rotating mode relative to the installation frame, the marking machine is arranged above the workpiece to work, the driving piece is further arranged to drive the needle rod to rotate, the workpiece can be marked comprehensively, however, the needle rod and the installation frame are troublesome to disassemble and assemble, and when another needle rod needs to be replaced, the machining efficiency is low due to time consumption.

Disclosure of Invention

The utility model aims at: in order to overcome the defect of the prior art, the utility model provides a but centre gripping subassembly of quick replacement needle bar through the cooperation of worm gear to and the needle bar through the grafting cooperation with the connecting piece, the connecting piece realizes the rotation of needle bar with the synchronous rotation of worm wheel, and makes needle bar easy dismounting, improves work efficiency.

The technical scheme of the utility model: the utility model provides a but centre gripping subassembly of quick replacement needle bar, includes mounting bracket, a plurality of needle bars and drives each needle bar pivoted driving piece, and each needle bar all rotates and sets up on the mounting bracket, a serial communication port, through worm wheel, worm drive between driving piece and each needle bar, the output shaft lug connection or the indirect connection of worm and driving piece, and the horizontal setting of worm along the mounting bracket, worm wheel and worm screw-thread fit, and correspond each needle bar position and all be equipped with a worm wheel, be equipped with the connecting piece between each worm wheel and the needle bar that corresponds, connecting piece one end and worm wheel rotate in step, the other end is equipped with slot or inserted block, correspond on the needle bar and be equipped with inserted block or slot, inserted block inserts and realizes the grafting cooperation of needle bar and connecting piece in the slot that corresponds.

Adopt above-mentioned technical scheme, the driving piece drives the worm and rotates, and worm wheel cooperation can drive the worm wheel and rotate, and the connecting piece setting is on the worm wheel and rotates with the worm wheel is synchronous, and after connecting piece and needle bar grafting cooperation, can drive the needle bar and rotate like this, establish on the needle bar because of the work piece cover, can drive the work piece and rotate, makes things convenient for marking machine work on the work piece like this, adopts the connected mode of pegging graft between needle bar and the connecting piece, makes things convenient for the dismouting, like this when other needle bar is changed to needs, and is more convenient.

The utility model discloses a further setting: the connecting piece is also provided with a magnet or a metal block, the needle rod is provided with the metal block or the magnet, and the metal block and the corresponding magnet are matched in a magnetic attraction mode to realize the connection of the needle rod and the corresponding connecting piece.

Adopt above-mentioned further setting, adopt magnetism to inhale the cooperation between connecting piece and the needle bar, make the connection between connecting piece and the needle bar more stable like this, prevent that the needle bar from breaking away from the connecting piece when the motion, magnet and the magnetism of metal block inhale the cooperation and also make things convenient for the dismantlement between needle bar and the connecting piece more simultaneously, make things convenient for the change of needle bar.

The utility model discloses a further setting again: still including guide rail and the last flitch of slip setting on the guide rail, the guide rail sets up with the worm is perpendicular, and the guide rail is close to the one end conflict setting of worm on the mounting bracket, last flitch setting keep away from the one end of worm wheel at the needle bar, and go up on the flitch and correspond each needle bar position and be equipped with the standing groove that supplies to wait to beat the work piece of mark and place, the bottom of going up the flitch is equipped with the slider, corresponds the guide rail position on the slider and is equipped with the guide slot, and the slip of flitch is gone up in the guide slot and the guide rail cooperation realization.

Adopt above-mentioned further setting again, the setting of going up the flitch makes things convenient for the work piece to cup joint on the needle bar, and the cooperation of guide rail and guide slot makes when going up the flitch and sliding on the guide rail, and is more steady to make the work piece on the standing groove can be steady accurate insert the needle bar that corresponds on.

The utility model discloses a still further set up: and the mounting rack is provided with mounting holes corresponding to the positions of the needle bars, and the needle bars are inserted in the corresponding mounting holes and are in running fit with the mounting holes.

Adopt above-mentioned further setting again for the needle bar structure is more stable, and is more steady during the rotation, the processing of better realization work piece.

The utility model discloses a still further set up: the driving piece is arranged by adopting a motor, and an output shaft of the motor is indirectly connected with the worm through a gear set.

Adopt above-mentioned still further setting, simple structure, it is stable, simple to operate.

Drawings

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

fig. 2 is a schematic view of a mounting frame according to an embodiment of the present invention;

FIG. 3 is a schematic view of a worm gear according to an embodiment of the present invention;

FIG. 4 is a schematic view of the needle bar and the worm gear according to an embodiment of the present invention;

FIG. 5 is a schematic view of the connection between the needle bar and the connecting member and between the worm wheel and the connecting member according to the embodiment of the present invention;

FIG. 6 is a schematic view of a needle shaft in an embodiment of the present invention;

FIG. 7 is a schematic view of a worm gear and a connecting member according to an embodiment of the present invention;

fig. 8 is a schematic view of a feeding plate and a guide rail according to an embodiment of the present invention;

fig. 9 is a schematic view of the overall structure of an embodiment of the present invention;

fig. 10 is an enlarged view of a portion a in fig. 8.

Detailed Description

As shown in fig. 1-10, a clamping assembly capable of rapidly replacing needle rods comprises a mounting frame 1, a plurality of needle rods 2, a driving member 3 for driving each needle rod 2 to rotate, which may be a mounting box or a mounting base, each needle rod 2 is rotatably disposed on the mounting frame 1, the driving member 3 and each needle rod 2 are driven by a worm wheel 4 and a worm 5, the worm 5 is directly or indirectly connected with an output shaft of the driving member 3, the output shaft of the driving member 3 is directly connected to the worm 5 to drive the worm 5 to rotate, and may be connected by a transmission member, such as a gear set or a worm gear, in this embodiment, a gear set is used, specifically, the driving member 3 is disposed by a motor, the output shaft of the motor is indirectly connected with the worm 5 by the gear set 6, and has a simple structure, stability and convenient installation, the worm 5 is arranged along the transverse direction of the mounting rack 1, the worm wheel 4 is in threaded fit with the worm 5, the worm wheel 4 is arranged at the position corresponding to each needle bar 2, a connecting piece 7 is arranged between each worm wheel 4 and the corresponding needle bar 2, one end of the connecting piece 7 rotates synchronously with the worm wheel 4, the other end of the connecting piece 7 is provided with a slot 71 or an insert block, the needle bar 2 is correspondingly provided with an insert block 21 or an insert slot, the insert block 21 is inserted in the corresponding slot 71 to realize the inserting fit of the needle bar 2 and the connecting piece 7, the driving piece 3 drives the worm 5 to rotate, the worm 5 is matched with the worm wheel 4 to drive the worm wheel 4 to rotate, the connecting piece 7 is arranged on the worm wheel 4 and rotates synchronously with the worm wheel 4, after the connecting piece 6 is inserted and matched with the needle bar 2, the needle bar 2 can be driven to rotate, the workpiece is sleeved on the needle bar 2 to drive the workpiece to rotate, so that the marking machine can conveniently work on the workpiece, and the needle bar 2 and the connecting piece 7 adopt the inserting connection mode, make things convenient for the dismouting, like this when needing to be changed other needle bar 2, it is more convenient, this centre gripping subassembly can the not unidimensional work piece of centre gripping, the one end size that needle bar 2 and connecting piece 7 are connected keeps motionless, the different size of a dimension can be set to the other end, just so can change the needle bar according to the size that needs processing work piece, because of the connected mode of needle bar and connecting piece adoption grafting, convenient the change improves work efficiency, the needle bar can be circular, also can be square.

It is specific, for making being connected between connecting piece 7 and the needle bar 2 more stable, still be equipped with magnet 72 or metal block on the connecting piece 7, the needle bar on 2 be equipped with metal block 22 or magnet, the cooperation is inhaled with the magnet 72 magnetism that corresponds to metal block 22 and is realized that needle bar 2 is connected with the connecting piece 7 that corresponds, adopt magnetism to inhale the cooperation between connecting piece 7 and the needle bar 2, make being connected between connecting piece and the needle bar more stable like this, prevent that the needle bar from breaking away from the connecting piece when the motion, magnet and the cooperation of inhaling of metal block magnetism also make things convenient for the dismantlement between needle bar and the connecting piece more simultaneously, make things convenient for the change of needle bar.

In this embodiment, the device further comprises a guide rail 8 and a feeding plate 9 slidably disposed on the guide rail 8, the feeding plate 9 can be manually pushed to slide on the guide rail 8, or can be driven by a cylinder, an electric cylinder, or the like, the bottom of the guide rail 8 can be provided with a bottom plate 10, the guide rail 8 is mounted on the bottom plate 10, in order to make the feeding plate 9 move smoothly, the guide rail 8 is provided with at least two guide rails 8, the guide rail 8 is disposed perpendicular to the worm 5, one end of the guide rail 8 close to the worm 5 is disposed on the mounting frame 1 in an abutting manner, the feeding plate 9 is disposed at one end of the needle bar 2 far away from the worm wheel 4, a placing groove 92 for placing a workpiece to be marked is disposed on the feeding plate 9 corresponding to each needle bar 2, a slider 91 is disposed at the bottom of the feeding plate 9, a guide groove 911 is disposed on the slider 91 corresponding to the guide rail 8, and the guide groove 911 cooperates with the guide rail 8 to realize the sliding of the feeding plate 9, go up flitch 9 set up and make things convenient for the work piece to cup joint on needle bar 2, when guide rail 8 and guide slot 911's cooperation makes go up flitch 9 and slide on guide rail 8, it is more steady to make the work piece on the standing groove can be steady accurate insert on the needle bar 2 that corresponds.

In this embodiment, corresponding each needle bar position on the mounting bracket 1 is equipped with mounting hole 11, and each needle bar 2 is inserted and is established in the mounting hole 11 that corresponds, and with 11 normal running fit of mounting hole for 2 structures of needle bar are more stable, and are more steady during the rotation, the processing of better realization work piece.

Claims

1. The utility model provides a but centre gripping subassembly of quick replacement needle bar, includes mounting bracket, a plurality of needle bars and drives each needle bar pivoted driving piece, and each needle bar all rotates and sets up on the mounting bracket, a serial communication port, through worm wheel, worm drive between driving piece and each needle bar, the output shaft lug connection or the indirect connection of worm and driving piece, and the horizontal setting of worm along the mounting bracket, worm wheel and worm screw-thread fit, and correspond each needle bar position and all be equipped with a worm wheel, be equipped with the connecting piece between each worm wheel and the needle bar that corresponds, connecting piece one end and worm wheel rotate in step, the other end is equipped with slot or inserted block, correspond on the needle bar and be equipped with inserted block or slot, inserted block inserts and realizes the grafting cooperation of needle bar and connecting piece in the slot that corresponds.

2. The clamping assembly capable of rapidly replacing a needle rod as in claim 1, wherein the connecting piece is further provided with a magnet or a metal block, the needle rod is provided with the metal block or the magnet, and the metal block and the corresponding magnet are in magnetic attraction fit to realize the connection of the needle rod and the corresponding connecting piece.

3. The clamping assembly capable of rapidly replacing the needle rods as in claim 1 or 2, further comprising a guide rail and a feeding plate slidably disposed on the guide rail, wherein the guide rail is disposed perpendicular to the worm, and one end of the guide rail, which is close to the worm, is disposed on the mounting frame in an abutting manner, the feeding plate is disposed at one end of the needle rod, which is away from the worm wheel, and a placement groove for placing a workpiece to be marked is disposed on the feeding plate corresponding to each needle rod position, a slider is disposed at the bottom of the feeding plate, a guide groove is disposed on the slider corresponding to the guide rail position, and the guide groove and the guide rail cooperate to realize sliding of the feeding plate.

4. The clamping assembly for rapidly replacing a needle bar as in claim 3, wherein the mounting bracket is provided with mounting holes corresponding to the positions of the needle bars, and the needle bars are inserted into the corresponding mounting holes and are rotatably matched with the mounting holes.

5. The clamping assembly capable of rapidly replacing a needle bar as in claim 4, wherein the driving member is provided with a motor, and an output shaft of the motor is indirectly connected with the worm through a gear set.