CN220032298U

CN220032298U - Binding head for binding core

Info

Publication number: CN220032298U
Application number: CN202321215098.3U
Authority: CN
Inventors: 宋幸长; 马作标; 张亮
Original assignee: Zhejiang Qicheng Automation Equipment Co ltd
Current assignee: Zhejiang Qicheng Automation Equipment Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-11-17
Anticipated expiration: 2033-05-19

Abstract

The utility model provides a binding head for binding a core body, which comprises a bracket, and a wire feeding unit, a wire clamping unit and a wire twisting unit which are sequentially arranged on the bracket, wherein the wire clamping unit comprises: a first driving unit; the driving pull rod is arranged in a hollow mode, and the first driving unit drives the driving pull rod to reciprocate; a first jaw; a second jaw; the first clamping jaw and the second clamping jaw are rotatably arranged on the wire twisting unit, and the first clamping jaw and the second clamping jaw are hinged with the end part of the driving pull rod; the first clamping jaw and the second clamping jaw enclose a 'mouth' -shaped structure; through "mouthful" font structure, make iron wire centre gripping work accomplish in "mouthful" font structure, when needs are sheared, shearing member stretches into in the "mouthful" font structure to the iron wire be close to the tip of drive pull rod and reserve certain clamping distance and cut, shorten the distance that the iron wire stretches out as far as, improve the positioning accuracy when the iron wire centre gripping, improve production efficiency.

Description

Binding head for binding core

Technical Field

The utility model relates to the technical field of heat exchanger manufacturing, in particular to a bundling head for bundling a core body.

Background

The core of radiator is usually through the mode connection of brazing after the equipment, need fix the core before the welding, prevent to wait that the dislocation of welded part from leading to welding infirm, deformation scheduling problem to produce.

Chinese patent CN104943894B discloses a core bundling device, comprising a wire drawing mechanism, a wire winding mechanism and a wire clamping mechanism. The wire drawing mechanism comprises a linear power mechanism and a wire pipe, wherein the linear power mechanism is connected with the wire pipe and drives the wire pipe to reciprocate along the axial direction of the wire pipe. The wire clamping mechanism comprises clamp arms which are arranged in pairs, the clamp arms are used for clamping the core body, and the clamp arms are positioned at the tail end of the wire tube. The wire winding mechanism comprises a rotary power mechanism and a connecting mechanism, wherein the rotary power mechanism is connected with the clamp arm through the connecting mechanism, and the clamp arm is driven by the rotary power mechanism to rotate by taking the shaft of the wire pipe as a rotary shaft. The core bundling device can enable the core bundling process to have better repeatability, reduce the production cost and improve the production efficiency.

However, in the technical scheme, the length of the iron wire extending out of the end part of the wire tube is longer, so that the clamping positioning precision is affected due to the flexible characteristic of the iron wire in the subsequent clamping process, and the technical problem that the clamping cannot be achieved or the clamping is deviated is solved.

Disclosure of Invention

The utility model aims at overcoming the defects of the prior art, and provides a bundling head for bundling a core body, wherein a 'mouth' -shaped structure is formed between a first clamping jaw and a second clamping jaw, so that iron wire clamping work is completed in the 'mouth' -shaped structure, a shearing unit is arranged below the 'mouth' -shaped structure, and when shearing is needed, the iron wire is stretched into the 'mouth' -shaped structure to shear the end part of the iron wire close to a driving pull rod and reserve a certain clamping distance, so that the stretching distance of the iron wire is shortened as much as possible, the positioning precision of the iron wire during clamping is improved, and the production efficiency is improved.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a tie up head for core is tied up, includes the support and locates in proper order send silk unit, clamp silk unit and twist silk unit on the support, its characterized in that, clamp silk unit includes:

a first driving unit;

the driving pull rod is arranged in a hollow mode, and the first driving unit drives the driving pull rod to reciprocate;

a first jaw; and

a second jaw;

the first clamping jaw and the second clamping jaw are rotatably arranged on the wire twisting unit, and the first clamping jaw and the second clamping jaw are hinged with the end part of the driving pull rod;

the first clamping jaw and the second clamping jaw enclose a 'mouth' -shaped structure.

As an improvement, the first driving unit is connected with the driving pull rod through a -shaped connecting block.

As an improvement, the threading unit includes:

a second driving unit; and

the rotary supporting plate is rotationally arranged on the support, the second driving unit drives the rotary supporting plate to rotate, and the driving pull rod penetrates through the rotary supporting plate and synchronously rotates along with the rotary supporting plate.

As an improvement, the first clamping jaw and the second clamping jaw are rotatably arranged on the rotary supporting plate.

As an improvement, the wire feeding unit includes:

the connecting plate is provided with a plurality of connecting holes,

the third driving unit is connected with the connecting plate;

a first godet; the output end of the third driving unit is in transmission connection with the first wire feeding roller; and

the second wire feeding roller and the first wire feeding roller are both rotationally arranged on the connecting plate and are respectively positioned at two sides of the iron wire transmission path.

As an improvement, the wire feeding unit further includes:

the adjusting frame is used for adjusting the distance between the second wire feeding roller and the first wire feeding roller, and is rotatably arranged on the connecting plate, and the second wire feeding roller is rotatably arranged on the adjusting frame;

the adjusting rod is arranged on the connecting plate, and one end of the adjusting rod is in contact with the adjusting frame.

As an improvement, the wire cutting device also comprises a cutting unit which is arranged below the wire clamping unit and used for cutting off the wire.

As an improvement, the shearing unit includes:

the fourth driving unit is arranged on the bracket;

the fifth driving unit is connected with the fourth driving unit;

a shearing member connected to the fifth driving unit;

the fourth driving unit drives the fifth driving unit to ascend/descend; and the fifth driving unit drives the shearing component to open/close so as to shear the iron wires.

As an improvement, the shearing component is positioned right below the 'mouth' -shaped structure.

As an improvement, the center of the first driving unit is provided with a hollow structure for the iron wire to pass through.

The utility model has the beneficial effects that:

(1) According to the utility model, the wire feeding unit automatically feeds wires, the wire clamping unit clamps two ends of the iron wires, the wire twisting unit automatically rotates and screws up the iron wires, and the bundling of the core body is automatically completed;

(2) According to the utility model, the first clamping jaw and the second clamping jaw are arranged in a straight line to form a square structure, so that the distance between the iron wire and the end part of the driving pull rod is shortened, the deformation degree of the iron wire is reduced, and the positioning precision during the subsequent clamping of the iron wire is improved;

(3) According to the utility model, the first driving unit and the wire clamping unit are connected through the -shaped connecting block, so that the first driving unit and the wire clamping unit are always kept on the same straight line, the wire feeding process is free from interference, the structure is simple, and the practicability is good;

(4) According to the wire bundling device, the distance between the first wire feeding roller and the second wire feeding roller is adjusted by the aid of the adjusting frame which is rotatably arranged and matched with the adjusting rod, so that the universality of the device is improved, and the wire bundling of different diameters is met;

in conclusion, the utility model has the advantages of high iron wire positioning precision. High automation degree, and the use of multi-specification iron wires for bundling, etc.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic overall cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of the connection of the clamping jaws according to the present utility model;

FIG. 4 is a schematic diagram of the connection state of the "" connecting block according to the present utility model;

fig. 5 is a schematic view of a rotating support plate according to the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Example 1

As shown in fig. 1, the present embodiment provides a bundling head for bundling cores, which includes a bracket 1, and a wire feeding unit 2, a wire clamping unit 3 and a wire twisting unit 4 sequentially disposed on the bracket 1;

the yarn clamping unit 3 includes: a first driving unit 31, wherein a hollow structure for allowing an iron wire to pass through is arranged at the center of the first driving unit 31; the driving pull rod 32 is arranged in a hollow mode, and the first driving unit 31 drives the driving pull rod 32 to reciprocate; a first jaw 33; a second jaw 34;

the first clamping jaw 33 and the second clamping jaw 34 are rotatably arranged on the threading unit 4, and the first clamping jaw 33 and the second clamping jaw 34 are hinged with the end part of the driving pull rod 32;

the first clamping jaw 33 and the second clamping jaw 34 enclose a 'mouth' -shaped structure 35;

it should be noted that, by utilizing the arrangement of the 'mouth' -shaped structure 35, the tool when pulling the iron wire can stretch into the 'mouth' -shaped structure 35 to clamp the iron wire head, so that the distance that the iron wire head stretches out of the end part of the driving pull rod 32 is reduced, and the technical problems that the iron wire is softer and stretches out of a longer clamping distance to cause the iron wire to bend downwards or bend in other directions to cause inaccurate clamping or incapable clamping are solved.

Preferably, as shown in fig. 4, the first driving unit 31 is connected to the driving rod 32 through a "" connecting block 36; through the arrangement of the -shaped connecting block 36, the first driving unit 31 and the wire clamping unit 3 are kept on the same straight line, and the wire feeding process of the wire feeding unit 2 is free from interference, so that the wire feeding device is simple in structure and good in practicability.

Further, as shown in fig. 2, the threading unit 4 includes:

a second driving unit 41; the second driving unit 41 adopts a belt transmission mode, and drives the belt pulley to rotate through a motor so as to drive the rotary supporting plate 42 to rotate; and

the rotating support plate 42 is rotatably arranged on the bracket 1 through a bearing assembly, the second driving unit 41 drives the rotating support plate 42 to rotate, and the driving pull rod 32 penetrates through the rotating support plate 42 and synchronously rotates along with the rotating support plate 42.

Preferably, as shown in fig. 5, the rotary support plate 42 is provided with a non-circular through hole 421, and the outer circumferential surface of the driving pull rod 32 is matched with the non-circular through hole 421, so that the driving pull rod 32 rotates synchronously with the rotary support plate 42; of course, other connection methods for forming the rotation support plate 42 and the driving pull rod 32 integrally to ensure synchronous rotation are also applicable to the present utility model, such as using a positioning pin to connect the driving pull rod 32 and the rotation support plate 42.

Further, as shown in fig. 3, the first clamping jaw 33 and the second clamping jaw 34 are rotatably provided on the rotation support plate 42; the first clamping jaw 33 and the second clamping jaw 34 are driven to rotate by the reciprocating motion of the driving pull rod 32 so as to clamp/unclamp the iron wire.

Example two

As shown in fig. 1, wherein the same or corresponding parts as those in embodiment one are designated by the corresponding reference numerals as those in embodiment one, only the points of distinction from embodiment one will be described below for the sake of brevity. The second embodiment is different from the first embodiment in that:

in this embodiment, the wire feeding unit 2 includes:

the connection plate 21 is provided with a plurality of holes,

a third driving unit 22, the third driving unit 22 being connected to the connection plate 21;

a first godet 23; the output end of the third driving unit 22 is in transmission connection with the first wire feeding roller 23; and

the second wire feeding roller 24, the second wire feeding roller 24 and the first wire feeding roller 23 are both rotatably arranged on the connecting plate 21 and are respectively positioned at two sides of the iron wire transmission path;

after the first wire feeding roller 23 and the second wire feeding roller 24 clamp the wire therebetween, the third driving unit 22 drives the first wire feeding roller 23 to rotate, and the second wire feeding roller 24 is driven, so that automatic conveying of the wire is realized.

Further, as shown in fig. 1, the wire feeding unit 2 further includes:

the adjusting frame 25 is used for adjusting the distance between the second wire feeding roller 24 and the first wire feeding roller 23, the adjusting frame 25 is rotatably arranged on the connecting plate 21, the second wire feeding roller 24 is rotatably arranged on the adjusting frame 25, and a reset spring can be arranged on a rotating shaft of the second wire feeding roller 24, so that the adjusting frame 25 automatically resets when no external force acts;

the adjusting rod 26 is arranged on the connecting plate 21 through a supporting frame, and one end of the adjusting rod 26 is in contact with the adjusting frame 25;

it should be noted that, the adjusting rod 26 is connected with the supporting frame on the connecting plate 21 by adopting a threaded connection mode, and by rotating the adjusting rod 26, the adjusting rod 26 pushes the adjusting frame to move, so as to change the distance between the first wire feeding roller and the second wire feeding roller, and the second wire feeding roller 24 on the adjusting frame 25 and the first wire feeding roller 23 clamp the iron wires.

Example III

As shown in fig. 1, wherein the same or corresponding parts as those in embodiment one are designated by the corresponding reference numerals as those in embodiment one, only the points of distinction from embodiment one will be described below for the sake of brevity. The third embodiment is different from the first embodiment in that:

in this embodiment, the wire cutting device further comprises a cutting unit 5 arranged below the wire clamping unit 3 and used for cutting off the iron wires.

Preferably, the shearing unit 5 comprises:

a fourth driving unit 51, the fourth driving unit 51 being provided on the stand 1;

a fifth driving unit 52, wherein the fifth driving unit 52 is connected with the fourth driving unit 51 through a connection plate;

a shearing part 53, the shearing part 53 being connected to the fifth driving unit 52;

the fourth driving unit 51 drives the fifth driving unit 52 to ascend/descend; the fifth driving unit 52 drives the cutting member 53 to open/close, and cuts the iron wire.

Preferably, the shearing component 53 adopts a scissor structure, and the opening and closing of the scissors are controlled by the fifth driving unit 52 to realize the shearing of the iron wires.

Still further, the shearing module 53 is located directly below the "mouth" shaped structure 35; when the iron wires are sheared, the shearing part 53 is driven by the fourth driving unit 51 to enter the 'mouth' -shaped structure 35 to shear the iron wires, so that the distance between the end parts of the sheared iron wires and the driving pull rod 32 is kept to be the shortest on the premise that the sheared iron wires can be clamped by the clamp, the distance that the iron wires extend out of the driving pull rod 32 is shortened, and the accuracy of the clamp is improved.

Working procedure

Firstly, before wire feeding, manually dragging an iron wire on a wire storage roller which is positioned at one side of a bundling head and stores the iron wire, sequentially passing through a first driving unit 31, a first wire feeding roller 23 and a second wire feeding roller 24 through guide wheels, and adjusting an adjusting rod 26 to enable the first wire feeding roller 23 and the second wire feeding roller 24 to clamp the iron wire;

step two, starting a wire feeding unit 2 to guide out the iron wires to the end part of a driving pull rod 32 and extending out a certain length for clamping;

step three, drawing the iron wire which is positioned to extend out by a wire drawing device/manual wire drawing, reversely drawing the iron wire back, and simultaneously clamping the iron wire through a first clamping jaw 33 and a second clamping jaw 34;

step four, the fourth driving unit 51 drives the fifth driving unit 52 to rise into the 'kou' -shaped structure 35, and the iron wires are cut off and reset;

step five, the second driving unit 41 drives the rotary supporting plate 42 to rotate, and then drives the wire clamping unit 3 to rotate so as to screw the iron wires.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a tie up head for core is tied up, includes the support and locates in proper order send silk unit, clamp silk unit and twist silk unit on the support, its characterized in that, clamp silk unit includes:

a first driving unit;

a first jaw; and

a second jaw;

2. A strapping head for core strapping as in claim 1 wherein the first drive unit is connected to the drive rod through a "" connection block.

3. A strapping head for core strapping as in claim 1 wherein the wire twisting unit comprises:

a second driving unit; and

4. A strapping head for core strapping as in claim 3 wherein the first and second jaws are rotatably disposed on the rotatable support plate.

5. A strapping head for core strapping as in claim 1 wherein the wire feed unit includes:

the connecting plate is provided with a plurality of connecting holes,

the third driving unit is connected with the connecting plate;

6. The strapping head for core strapping as in claim 5 wherein the wire feed unit further comprises:

7. The strapping head for core strapping as in claim 1 further comprising a shear unit disposed below the wire clamping unit for breaking wire.

8. A strapping head for core strapping as in claim 7 wherein the shear unit comprises:

the fourth driving unit is arranged on the bracket;

the fifth driving unit is connected with the fourth driving unit;

a shearing member connected to the fifth driving unit;

9. A strapping head for core strapping as in claim 8 wherein the cutting element is located directly below the "mouth" shaped structure.

10. A strapping head for core strapping as in claim 1 wherein the center of the first drive unit is provided with a hollow structure through which wire passes.