CN213035331U

CN213035331U - Stretching length-fixing mechanism for ear-band machine

Info

Publication number: CN213035331U
Application number: CN202021849889.8U
Authority: CN
Inventors: 刘东土
Original assignee: Suzhou Jiezhicheng Automation Technology Co ltd
Current assignee: Suzhou Jiezhicheng Automation Technology Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-23
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a tensile fixed length mechanism of ear-band machine, comprises a workbench, be equipped with the slide rail that is located welding mechanism one side on the workstation, the one end rigid coupling of slide rail has the subassembly that pulls, and the other end is equipped with and follows the slide rail removes extremely the fixed length tensile subassembly of pulling subassembly department. One side that welding mechanism was kept away from to the slide rail still is equipped with and is located shear assembly, centre gripping bending assembly between traction assembly and the fixed length stretching subassembly, shear assembly is located and is close to one side of traction assembly is used for cutting the warp the ear area that traction assembly pull out. The clamping and bending assembly is used for clamping the ear belt stretched by the fixed-length stretching assembly and bending the ear belt cut off by the shearing assembly. The utility model discloses a tensile fixed length mechanism of ear belt machine has not only improved the production efficiency of ear area, has guaranteed the production quality of ear area moreover.

Description

Stretching length-fixing mechanism for ear-band machine

Technical Field

The utility model relates to a gauze mask ear area production facility technical field especially relates to a tensile fixed length mechanism of ear belt machine.

Background

The mask is generally hung and buckled on ears of a human body through ear belts, so that the mask can be attached to the nose and mouth of the human body to play a role in blocking droplets, dust and pollen in the air. At present, in the process of assembling the ear strap on the mask, the ear strap needs to be cut at a fixed length, then the ear strap is bent into a semicircle, and the two ends of the ear strap are welded on the mask. However, the existing ear band is cut and bent manually, so that the labor cost is high, the production efficiency is low, and the quality of the finished product is affected due to the uneven manual cutting and bending quality.

Disclosure of Invention

In order to overcome the defects, the utility model aims to provide a tensile fixed length mechanism of ear belt machine has not only improved the production efficiency of ear belt, but also guaranteed the production quality of ear belt.

In order to achieve the above purpose, the utility model discloses a technical scheme is: the utility model provides a tensile fixed length mechanism of ear-band machine, includes the workstation, be equipped with the slide rail that is located welding mechanism one side on the workstation, the one end rigid coupling of slide rail has the subassembly of pulling, and the other end is equipped with and follows the slide rail removes extremely the tensile subassembly of fixed length of pulling subassembly department. One side that welding mechanism was kept away from to the slide rail still is equipped with and is located shear assembly, centre gripping bending assembly between traction assembly and the fixed length stretching subassembly, shear assembly is located and is close to one side of traction assembly is used for cutting the warp the ear area that traction assembly pull out. The clamping and bending assembly is used for clamping the ear belt stretched by the fixed-length stretching assembly and bending the ear belt cut off by the shearing assembly.

During operation, one end of a packaged ear belt is pulled to a specified position through the traction assembly, the fixed-length stretching assembly moves to the specified position along the sliding rail and clamps one end of the ear belt, then the fixed-length stretching assembly moves in the reverse direction and drives the ear belt to move out of the traction assembly until the ear belt pulled out by the traction assembly reaches a specified length, the clamping bending assembly is driven to clamp two ends of the ear belt, the ear belt is cut through the cutting assembly, and the clamping bending assembly can bend the cut ear belt.

The beneficial effects of the utility model reside in that: the fixed-length cutting and bending of the ear belt are realized through the matching of the traction assembly, the fixed-length stretching assembly, the shearing assembly and the clamping bending assembly, so that the production efficiency of the ear belt is improved, and the production quality of the ear belt is ensured.

Further, the traction assembly comprises a traction base fixedly connected to the sliding rail, and a traction vertical plate is arranged on the traction base. The traction vertical plate is sequentially provided with a traction wheel set and a traction adjusting part along the stretching direction of the ear belt, the traction wheel set is used for drawing the ear belt into the traction adjusting part, and a traction passage for the ear belt to pass through is arranged in the traction adjusting part. The depth of the traction channel can be conveniently adjusted according to the specification of the ear band by arranging the traction adjusting part.

Further, the traction adjusting part comprises an adjusting cylinder, an adjusting plate and a fixing plate. The fixed plate is fixedly connected to the traction vertical plate, and the upper end of the fixed plate is provided with a U-shaped groove distributed along the length direction of the fixed plate. The adjusting plate is located above the fixing plate, the upper end of the adjusting plate is connected with an adjusting cylinder fixedly connected to the traction vertical plate, and the lower end of the adjusting plate is provided with an adjusting lug capable of moving up and down along the U-shaped groove. The adjusting lug and the U-shaped groove define the traction channel. The adjusting lug is driven by the adjusting cylinder to move up and down, and then the distance between the bottom of the adjusting lug and the bottom of the U-shaped groove is adjusted, so that the ear belt adjusting device is suitable for ear belts of different specifications.

Further, the clamping and bending assembly comprises a clamping rack fixedly connected to the workbench, and a lifting plate driven by a lifting cylinder is arranged below the clamping rack. The pneumatic clamping jaw that is used for the centre gripping ear area of below of lifter plate, it is a pair of pneumatic clamping jaw can be counter-rotating under the drive of driving piece, the driving piece is for fixing rotating electrical machines on the lifter plate, rotating electrical machines with pneumatic clamping jaw one-to-one sets up. The pneumatic clamping jaw is driven to move upwards through the moving of the lifting plate, and then the fixed-length stretching assembly moves in a yielding mode, the pneumatic clamping jaw is driven to rotate through the rotating motor, and then bending actions of the ear belt are achieved.

Further, the lifting cylinder is fixedly connected to the clamping frame, guide rods penetrating through the clamping frame are symmetrically arranged on two sides of the lifting cylinder, and the lower ends of the guide rods are fixedly connected with the lifting plate. The arrangement of the guide rod can improve the moving stability of the lifting plate.

Further, fixed length drawing unit is in including sliding the setting slide on the slide rail, the slide is kept away from draw the one end and the rigid coupling of subassembly and be in drawing cylinder on the workstation is connected, still be equipped with the pneumatic clamping jaw No. two that are used for centre gripping ear area on the slide.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a schematic perspective view of an embodiment of the present invention;

fig. 3 is a schematic perspective view of a traction assembly according to an embodiment of the present invention;

fig. 4 is a schematic perspective view of a pneumatic clamping jaw of the first embodiment of the present invention when the ear band is bent.

In the figure:

1-a workbench; 11-a slide rail; 2-a welding mechanism; 3-a traction assembly; 31-a traction base; 32-pulling a vertical plate; 33-a traction wheel set; 34-a regulating cylinder; 35-an adjusting plate; 351-an adjustment bump; 36-a fixed plate; 361-U type groove; 4-fixed length stretching assembly; 41-a slide seat; 42-stretching air cylinder; 43-pneumatic gripper jaw number two; 5-a shearing assembly; 6-clamping the bending assembly; 61-a clamping frame; 62-lifting cylinder; 63-lifting plate; 64-first pneumatic gripper jaw; 641-a pneumatic gripper body; 642-a gripper; 65-a rotating electrical machine; 66-guide bar.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

Examples

Referring to the attached drawings 1-2, the utility model discloses a tensile fixed length mechanism of ear-band machine, including workstation 1, be equipped with the slide rail 11 that is located 2 one sides of welding mechanism on the workstation 1, the one end rigid coupling of slide rail 11 has traction assembly 3, and the other end is equipped with and follows slide rail 11 removes extremely the tensile subassembly 4 of fixed length of traction assembly 3 department. And one side of the slide rail 11, which is far away from the welding mechanism 2, is also provided with a shearing assembly 5 and a clamping and bending assembly 6 which are positioned between the traction assembly 3 and the fixed-length stretching assembly. The shearing assembly 5 is positioned at one side close to the traction assembly 3 and is used for shearing the ear belt 7 pulled out by the traction assembly 3. The clamping and bending assembly 6 is used for clamping the ear belt 7 stretched by the fixed-length stretching assembly 4 and bending the ear belt 7 sheared by the shearing assembly 5.

During operation, through drawing the one end of subassembly 3 with the package ear area and drawing to the assigned position, fixed length drawing assembly 4 moves to this assigned position and the one end of centre gripping ear area 7 along slide rail 11, then fixed length drawing assembly 4 reverse movement drives ear area 7 and shifts out from drawing subassembly 3, until ear area 7 that draws out through drawing subassembly 3 reaches the appointed length, drive centre gripping bending assembly 6 and grasp the both ends of ear area 7, the ear area 7 is cut through shearing subassembly 5 again, centre gripping bending assembly 6 can bend ear area 7 after cutting. The fixed-length cutting and bending of the ear belt 7 are realized through the matching of the traction assembly 3, the fixed-length stretching assembly 4, the shearing assembly 5 and the clamping bending assembly 6, so that the production efficiency of the ear belt 7 is improved, and the production quality of the ear belt 7 is ensured.

In this embodiment, referring to fig. 3, the traction assembly 3 includes a traction base 31 fixedly connected to the slide rail 11, and a traction vertical plate 32 is disposed on the traction base 31. The traction vertical plate 32 is sequentially provided with a traction wheel set 33 and a traction adjusting part along the stretching direction of the ear belt. The traction wheel group 33 is used for drawing one end of a package ear belt into the traction adjusting part, and comprises a first traction wheel, a second traction wheel and a third traction wheel which are sequentially arranged on the traction vertical plate 32, and the ear belt 7 is sequentially wound on the first traction wheel, the second traction wheel and the third traction wheel. The traction adjusting part comprises an adjusting cylinder 34, an adjusting plate 35 and a fixing plate 36. The fixed plate 36 is fixedly connected to the traction vertical plate 32, and a U-shaped groove 361 arranged along the length direction is formed in the upper end of the fixed plate. The adjusting plate 35 is located above the fixing plate 36, the upper end of the adjusting plate is connected with the adjusting cylinder 34 fixedly connected to the traction vertical plate 32, and the lower end of the adjusting plate is provided with an adjusting projection 351 capable of moving up and down along the U-shaped groove 361. The adjustment protrusion 351 and the U-shaped groove 361 define a traction channel therebetween for the ear strap 7 to pass through. Adjust lug 351 and reciprocate through the drive of adjusting cylinder 34, and then adjust the distance between lug 351 bottom and the U type groove 361 bottom to be applicable to the ear area of different specifications.

In this embodiment, fixed length drawing assembly 4 is in including sliding the setting slide 41 on the slide rail 11, slide 41 is kept away from the one end and the rigid coupling of traction assembly 3 are in stretch cylinder 42 on the workstation 1 is connected, be equipped with No. two pneumatic clamping jaws 43 that are used for centre gripping ear area 7 on the slide 41. When the stretching cylinder 42 drives the sliding seat 41 to move towards the direction of the traction assembly 3, the second pneumatic clamping jaw 43 moves along with the stretching cylinder, and when the second pneumatic clamping jaw 43 moves to the outlet of the traction channel, the second pneumatic clamping jaw 43 is started to clamp the end part of the ear belt at the outlet of the traction channel; the stretching cylinder 42 reversely drives the sliding seat 41 to move towards the direction far away from the traction assembly 3, and the second pneumatic clamping jaw 43 can drive the ear belt 7 to stretch to a certain length.

In this embodiment, the shearing assembly 5 includes a shearing base fixedly connected to the worktable 1, and a shearing tool located at an outlet of the traction passage is fixedly connected to the shearing base.

The clamping and bending assembly 6 comprises a clamping rack 61 fixedly connected to the workbench 1, and a lifting plate 63 driven by a lifting cylinder 62 is arranged below the clamping rack 61. The pneumatic clamping jaw 64 that is equipped with a pair of centre gripping ear area 7 in the below of lifter plate 63, it is a pair of pneumatic clamping jaw 64 can be counter-rotating under the drive of driving piece, the driving piece is for fixing rotating electrical machines 65 on the lifter plate 63, rotating electrical machines 65 with pneumatic clamping jaw 64 one-to-one sets up. The rotary motor 65 can drive the first pneumatic clamping jaw 64 to rotate by 90 degrees.

When the fixed-length stretching assembly 4 moves on the slide rail 11, the lifting cylinder 62 drives the lifting plate 63 to move upwards, and the first pneumatic clamping jaw 64 moves upwards along with the lifting plate, so as to give way for the movement of the fixed-length stretching assembly 4; when the fixed-length stretching assembly 4 drives the ear belt 7 to stretch to a certain length, the lifting cylinder 62 drives the lifting plate 63 to move downwards, the first pneumatic clamping jaw 64 moves downwards and moves to the ear belt 7, at the moment, the first pneumatic clamping jaw 64 is started to clamp the ear belt 7, the ear belt 7 is cut through the shearing tool, the second pneumatic clamping jaw 43 is loosened, the cut ear belt 7 is only clamped by the clamping force of the first pneumatic clamping jaw 64, then the first pneumatic clamping jaw 64 is driven to rotate reversely by 90 degrees through the corresponding rotating motor 65, the ear belt 7 can be bent, and two ends of the bent ear belt 7 are aligned to the welding mechanism 2.

The first pneumatic clamping jaw 64 and the second pneumatic clamping jaw 65 have the same structure, and for example, the first pneumatic clamping jaw 64 is shown in fig. 4, the first pneumatic clamping jaw 64 includes a pneumatic clamping jaw body 641, and clamping ends of the pneumatic clamping jaw body 641 are provided with clamping devices 642 matched with ear bands. In the initial state, the grippers 642 on a pair of the first pneumatic gripper jaws 64 are oriented in opposite directions.

Preferably, the lifting cylinder 62 is fixedly connected to the clamping frame 61, guide rods 66 penetrating through the clamping frame 61 are symmetrically arranged on two sides of the lifting cylinder 62, and the lower end of each guide rod 66 is fixedly connected to the lifting plate 63. The smoothness of the movement of the lifting plate 63 can be improved by the arrangement of the guide rod 66.

It is noted that the welding mechanism 2 is prior art and is used to weld the ear strap to the mask.

The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, so as not to limit the protection scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a tensile fixed length mechanism of ear belt machine which characterized in that: the welding machine comprises a workbench, wherein a sliding rail positioned on one side of a welding mechanism is arranged on the workbench, one end of the sliding rail is fixedly connected with a traction assembly, and the other end of the sliding rail is provided with a fixed-length stretching assembly capable of moving to the traction assembly along the sliding rail; a shearing assembly and a clamping bending assembly which are positioned between the traction assembly and the fixed-length stretching assembly are further arranged on one side of the sliding rail, which is far away from the welding mechanism, and the shearing assembly is positioned on one side close to the traction assembly and is used for shearing an ear band pulled out by the traction assembly; the clamping and bending assembly is used for clamping the ear belt stretched by the fixed-length stretching assembly and bending the ear belt cut off by the shearing assembly.

2. The stretching length control mechanism of the belt ear machine according to claim 1, characterized in that: the traction assembly comprises a traction base fixedly connected to the sliding rail, and a traction vertical plate is arranged on the traction base; the traction vertical plate is sequentially provided with a traction wheel set and a traction adjusting part along the stretching direction of the ear belt, the traction wheel set is used for drawing the ear belt into the traction adjusting part, and a traction passage for the ear belt to pass through is arranged in the traction adjusting part.

3. The stretching length control mechanism of the belt ear machine according to claim 2, characterized in that: the traction adjusting part comprises an adjusting cylinder, an adjusting plate and a fixing plate; the fixed plate is fixedly connected to the traction vertical plate, and the upper end of the fixed plate is provided with a U-shaped groove distributed along the length direction of the fixed plate; the adjusting plate is positioned above the fixed plate, the upper end of the adjusting plate is connected with an adjusting cylinder fixedly connected on the traction vertical plate, and the lower end of the adjusting plate is provided with an adjusting lug capable of moving up and down along the U-shaped groove; the adjusting lug and the U-shaped groove define the traction channel.

4. The stretching length control mechanism of the belt ear machine according to any one of the claims 1 to 3, characterized in that: the clamping and bending assembly comprises a clamping rack fixedly connected to the workbench, and a lifting plate driven by a lifting cylinder is arranged below the clamping rack; the pneumatic clamping jaw that is used for the centre gripping ear area of below of lifter plate, it is a pair of pneumatic clamping jaw can be counter-rotating under the drive of driving piece, the driving piece is for fixing rotating electrical machines on the lifter plate, rotating electrical machines with pneumatic clamping jaw one-to-one sets up.

5. The stretching length control mechanism of the belt ear machine according to claim 4, characterized in that: the lifting cylinder is fixedly connected to the clamping rack, guide rods penetrating through the clamping rack are symmetrically arranged on two sides of the lifting cylinder, and the lower ends of the guide rods are fixedly connected with the lifting plate.

6. The stretching length control mechanism of the belt ear machine according to claim 1, characterized in that: fixed length drawing unit is in including sliding the setting slide on the slide rail, the slide is kept away from drawing unit's one end and rigid coupling are in drawing cylinder on the workstation is connected, still be equipped with the pneumatic clamping jaw No. two that are used for the centre gripping ear area on the slide.