CN217148136U

CN217148136U - Wire rod loading attachment

Info

Publication number: CN217148136U
Application number: CN202220736580.0U
Authority: CN
Inventors: 董恩壮; 董洪奎; 殷太根; 郑俊彦; 王龙贤
Original assignee: Jiangsu Chezhilian Auto Parts Co ltd
Current assignee: Jiangsu Chezhilian Auto Parts Co ltd
Priority date: 2022-03-31
Filing date: 2022-03-31
Publication date: 2022-08-09
Anticipated expiration: 2032-03-31

Abstract

The utility model relates to a wire rod loading attachment, it includes basic frame, feeding mechanism and straining device, feeding mechanism installs the wire reel on basic frame including rotating, straining device includes take-up pulley, slider and elastic component, the take-up pulley rotates to be connected on the slider, the slider passes through the elastic component and is connected with basic frame. This application has the effect that increases wire rod rate of tension, reduces the card and hinders to and improve wire rod loading attachment ejection of compact stability.

Description

Wire rod loading attachment

Technical Field

The application relates to the technical field of wire rod processing, in particular to a wire rod feeding device.

Background

Mechanical equipment production often involves metal wire processing, and a feeding device needs to be applied to realize automatic or semi-automatic feeding. The related wire rod feeding device comprises a feeding mechanism, the feeding mechanism comprises a wire rod winding drum and a winding drum support, a through hole is formed in the drum center of the wire rod winding drum, and the wire rod winding drum is inserted into the winding drum support through the through hole. When the wire feeding device works, the wire wound and stored on the wire reel is gradually drawn out, and the wire reel rotates on the reel bracket along with the wire reel. In the production of mechanical equipment, wire feeding devices are often used in conjunction with wire cutting devices.

In view of the above-mentioned related art, the inventor believes that the wire rod is discontinuously operated when being cut, and the temporary stop of the cutting device may adversely affect the discharge of the feeding device. When the cutting device is shut down, the wire loses the external tension and loosens, which may cause the wire to be jammed or wound in the feeding device, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to improve wire rod loading attachment ejection of compact stability, improve the rate of tension of wire rod in the loading attachment, this application provides a wire rod loading attachment.

The application provides a wire rod loading attachment adopts following technical scheme:

a wire feeding device comprises a basic frame, a feeding mechanism and a tensioning mechanism, wherein the feeding mechanism comprises a wire winding drum rotatably mounted on the basic frame, the tensioning mechanism comprises a tensioning wheel, a sliding block and an elastic piece, the tensioning wheel is rotatably connected to the sliding block, and the sliding block is connected with the basic frame through the elastic piece; when the wire passes through the tension wheel, the tension wheel applies a force direction vector to the wire through the elastic piece, and the cross product of the force direction vector and the force direction vector of the wire moving on the tension wheel is larger than zero.

By adopting the technical scheme, the elastic piece can apply elastic force to the wire rod, so that the component force of the wire rod in the vertical direction of the displacement is larger than zero, and the tension degree of the wire rod is increased; after external traction force along the axial direction of the wire rod is removed, the wire rod can keep a tension state under the action of the elastic piece, so that the probability of wire rod blockage or winding is reduced, and the reliability of the wire rod feeding device is improved.

The tensioning mechanism further comprises an installation plate and a slide rail, the installation plate is fixedly connected to the base frame, and one end of the slide rail is fixedly connected to the installation plate; the sliding rail is characterized in that a sliding groove is formed in the surface, close to the sliding block, of the sliding rail, a protruding strip-shaped block is integrally formed on the surface, close to the sliding rail, of the sliding block, and the strip-shaped block is embedded with the sliding rail through the sliding groove.

Through adopting above-mentioned technical scheme, be fixed in the slide rail on the mounting panel and can increase external restraint for the slider, only keep the slider along the ascending degree of freedom of slide rail axis direction to make the slider can follow the assigned direction relative movement.

Optionally, the slide rails are arranged oppositely by taking the slide block as a center.

By adopting the technical scheme, the sliding rails are arranged on the two sides of the sliding block, so that the sliding block is stressed more evenly when moving along the sliding rails, and the durability and the safety of the tensioning mechanism are improved.

Optionally, the elastic component includes spring and gag lever post, the one end and the mounting panel fixed connection of gag lever post, the one end that the mounting panel was kept away from to the gag lever post is worn to locate in the strip piece, the spring housing is established at the gag lever post, the one end and the mounting panel of spring are connected, the one end and the strip piece butt that the mounting panel was kept away from to the spring.

By adopting the technical scheme, the limiting rod limits the movement of the sliding block, and the spring provides supporting force for the sliding block; when the sliding block moves towards the direction close to the mounting plate, the spring is compressed and blocks the movement of the sliding block; the spring is used as a main functional element of the elastic part, so that the spring has the advantages of simple structure and convenience in assembly, and is beneficial to equipment maintenance.

Optionally, the tensioning mechanism further includes a wheel seat, the wheel seat is rotationally connected to the slider, the tensioning wheel is rotationally mounted on the wheel seat, and a rotation axis of the tensioning wheel is orthogonal to a rotation axis of the wheel seat.

By adopting the technical scheme, the tensioning wheel can rotate on two axes; when the wire rod and the tensioning mechanism move in a coupling mode, the change of the mechanical state of the wire rod can be effectively coped with, the stress distribution inside the wire rod is more uniform, and the blocking phenomenon in the discharging process is reduced.

Optionally, the base frame includes a base, a first bracket and a second bracket, and the first bracket and the second bracket are fixedly connected to the base.

Optionally, the feeding mechanism further comprises a shaft rod, the wire winding drum is sleeved on the shaft rod, the first support is provided with a storage groove, and two ends of the shaft rod are connected with the first support through the storage groove.

Through adopting above-mentioned technical scheme, can assemble through the mode of gomphosis between axostylus axostyle, wire rod reel and the basic frame, can carry out the dismouting change to the wire rod reel comparatively conveniently.

Optionally, the feeding mechanism further comprises a guide wheel, and the guide wheel is arranged on the second support.

Through adopting above-mentioned technical scheme, can adjust feeding mechanism's wire rod output position, reduce the disturbance that the winding position change of feeding in-process because of the wire rod reel brought, improve wire rod loading attachment's stability.

Optionally, the wire feeding device further comprises a straightening mechanism, the straightening mechanism comprises a first roller, a second roller and a fixing seat, the fixing seat is mounted on the base, the first roller and the second roller are rotatably connected to the fixing seat, a rotation axis of the first roller is parallel to a rotation axis of the second roller, and a gap through which the wire can pass is reserved between the first roller and the second roller.

By adopting the technical scheme, the straightening mechanism is introduced, the wire is straightened by the first roller and the second roller which are arranged in parallel, the curvature of the wire is reduced, and the wire is straight and easy to process.

Optionally, the straightening mechanism further comprises a distance adjusting unit, the distance adjusting unit is arranged on the fixed seat, and the distance adjusting unit is used for adjusting the distance between the first roller and the second roller.

By adopting the technical scheme, the distance adjusting unit is introduced, so that the size of the gap between the first roller and the second roller can be dynamically adjusted, and the straightening mechanism can be adapted to wires with different diameters.

In summary, the present application includes at least one of the following beneficial technical effects:

1. a sliding block moving along the sliding rail in the tensioning mechanism and a spring stretching along the limiting rod are coupled to form a dynamic elastic system; when the wire is pulled by the outside, the tension mechanism can increase potential energy and apply reaction force to the wire to tighten the wire; when the wire loses external traction, the tensioning mechanism can reset, and the wire is kept with a certain tension degree; the tension mechanism can reduce the looseness of the wire and reduce the probability of jamming and winding of the wire;

2. the tension wheel and the wheel seat, the wheel seat and the sliding block in the tension mechanism are combined to form a double-shaft rotating structure, compared with a single-shaft rotating structure, the degree of freedom of one dimension is increased, the internal stress distribution state of the wire under the action of the tension mechanism can be effectively improved, and the wire feeding process is smoother;

3. the guide wheel is introduced into the feeding mechanism, so that the wire output position of the feeding mechanism can be adjusted, the output disturbance caused by the change of the winding position of the wire winding drum in the feeding process is reduced, the stability of the system is improved, and the performance of the system is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present application.

Fig. 2 is a schematic view intended to show the structure of the tensioning mechanism.

FIG. 3 is a schematic view aimed at showing the structure of the straightening mechanism.

Description of reference numerals: 1. a base frame; 10. a base; 11. a first bracket; 110. a storage groove; 12. a second bracket; 2. a feeding mechanism; 20. a wire reel; 21. a shaft lever; 22. a guide wheel; 3. a tensioning mechanism; 30. a tension wheel; 31. a wheel seat; 32. a slider; 320. a strip-shaped block; 33. a slide rail; 330. a chute; 34. an elastic member; 340. a limiting rod; 341. a spring; 35. mounting a plate; 4. a straightening mechanism; 40. a first drum; 41. a second drum; 42. a fixed seat; 43. a distance adjusting unit; 430. a screw; 431. a movable block.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses wire rod loading attachment.

Referring to fig. 1, a wire feeding device includes a base frame 1, and a feeding mechanism 2, a tensioning mechanism 3, and a straightening mechanism 4 mounted on the base frame 1. When the wire feeding device works, the wire sequentially passes through the feeding mechanism 2, the tensioning mechanism 3 and the straightening mechanism 4 and is output outwards.

Referring to fig. 1, the feeding mechanism 2 includes a wire reel 20, a shaft 21, and a guide wheel 22. The wire rod reel 20 is sleeved on the shaft rod 21, the two ends of the shaft rod 21 are respectively in threaded connection with a limiting block, and the limiting blocks are in threaded connection with the shaft rod 21. The base frame 1 includes a base 10, a first bracket 11 and a second bracket 12, and the first bracket 11 and the second bracket 12 are bolted to the base 10. The first bracket 11 is provided with an article holding groove 110, the shaft rod 21 is erected on the first bracket 11, and the limiting blocks at the two ends of the shaft rod 21 are respectively matched and embedded with the article holding groove 110. Through the combination of adopting the stopper and putting thing groove 110, can be convenient assemble, be favorable to the installation and the dismantlement of wire rod reel 20, the convenience of the operation when changing wire rod reel 20 can be improved.

The guide pulley 22 is a pulley having a notch rotatably formed on the outer periphery thereof. The guide wheel 22 is installed on the second bracket 12, and the guide wheel 22 is used for adjusting the wire output position of the feeding mechanism 2 and reducing disturbance caused by the change of the wire winding position when the wire reel 20 rotates.

Referring to fig. 2, the tensioning mechanism 3 includes a tensioning wheel 30, a wheel base 31, a slider 32, a slide rail 33, a spring 341, a stopper 340, and a mounting plate 35. The tensioning wheel 30 is a pulley with a notch formed in the periphery in a rotating mode, two support lugs are fixedly welded on the wheel seat 31, the tensioning wheel 30 is located between the two support lugs, and the tensioning wheel 30 is rotatably connected with the wheel seat 31 through the support lugs. A bearing is arranged on one surface of the wheel seat 31 far away from the tension wheel 30, the wheel seat 31 is rotationally connected with the slide block 32 through the bearing, and the rotation axis of the tension wheel 30 is orthogonal to the rotation axis of the wheel seat 31. When the wire rod and the tensioning mechanism 3 move in a coupling mode, the internal stress distribution state of the wire rod under the action of the tensioning mechanism 3 can be effectively improved, the stress distribution of the wire rod is more uniform, and the blocking phenomenon in the discharging process is reduced.

Slide rail 33 is equipped with two, and slide rail 33's one end welds on mounting panel 35 to use slider 32 to be the symmetry setting as the symmetric center, slide rail 33 has seted up spout 330 on being close to the face of slider 32. The surface of the sliding block 32 close to the sliding rail 33 is integrally formed with a raised strip-shaped block 320, and the sliding block 32 is embedded into the sliding groove 330 through the strip-shaped block 320 and can move along the axial direction of the sliding rail 33. The limiting rod 340 penetrates through the strip-shaped block 320, one end of the limiting rod 340 is vertically welded and fixed on the mounting plate 35, and the limiting rod 340 is rotatably connected with the strip-shaped block 320. The spring 341 is sleeved on the limiting rod 340, one end of the spring 341 abuts against the mounting plate 35, and one end of the spring 341, which is far away from the mounting plate 35, abuts against the sliding block 32. The combination of the spring 341, the stop lever 340 and the slider 32 can store energy and release energy when the external force action is lost, so that the wire rod is kept in a tensioned state.

Referring to fig. 3, two adjacent straightening mechanisms 4 are arranged on the base frame 1, and each straightening mechanism 4 comprises a first roller 40, a second roller 41 and a fixed seat 42. The base 10 of basic frame 1 is gone up welded fastening and is had two fixing bases 42 that set up relatively, and first cylinder 40 and second cylinder 41 all are located between two fixing bases 42, and first cylinder 40 and second cylinder 41 all are connected with fixing base 42 relative rotation, and the axis of rotation of first cylinder 40 is parallel to each other with the axis of rotation of second cylinder 41, and leaves the clearance that supplies the wire rod to pass between first cylinder 40 and the second cylinder 41. When the straightening mechanism 4 is operated, the wire passes through the gap between the first roller 40 and the second roller 41 and is squeezed, and the curvature of the wire is reduced in the process, so that the wire is straightened.

The distance adjusting units 43 are provided with two groups, the two groups of distance adjusting units 43 are installed on the corresponding fixed seats 42, and the distance adjusting units 43 are used for adjusting the size of the gap between the first roller 40 and the second roller 41. The distance adjusting unit 43 includes a screw 430 and a movable block 431 in threaded connection with the screw 430, and when the screw 430 is rotated, the movable block 431 drives the second roller 41 to move toward or away from the first roller 40.

The implementation principle of a wire rod loading attachment of this application embodiment is: the wire wound on the wire reel 20 is pulled by an external force, sequentially passes through the guide pulley 22 and the tension pulley 30, and finally passes through a gap between the first roller 40 and the second roller 41. The guide wheel 22 can adjust the wire output position of the feeding mechanism 2, reduce the output disturbance caused by the change of the winding position of the wire reel 20 during the feeding process, and improve the stability of the system. Tension pulley 30 and wheel seat 31 among straining device 3 to and wheel seat 31 and slider 32, the biax rotating-structure that forms has increased the degree of freedom of a dimension in comparison with unipolar rotating-structure, can improve the internal stress distribution state of wire rod, makes the feeding process more smooth and easy.

The sliding block 32 moving along the sliding rail 33 in the tensioning mechanism 3 and the spring 341 stretching along the limiting rod 340 are coupled to form a dynamic elastic system; when the wire is pulled by the outside, the dynamic elastic system can increase potential energy and apply reaction force to the wire to tighten the wire; when the wire loses external traction, the dynamic elastic system can reset, and the wire is kept with a certain tension degree; the system can reduce the looseness of the wire and reduce the probability of jamming and winding of the wire.

The first roller 40 and the second roller 41 apply pressure to the passing wire, and the curvature of the wire is reduced, so that the wire is straightened. The distance adjusting unit 43 can dynamically adjust the size of the gap between the first roller 40 and the second roller 41, so that the straightening mechanism 4 can be adapted to wires with different diameters.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a wire rod loading attachment, includes basic frame (1) and feeding mechanism (2), feeding mechanism (2) are including rotating wire reel (20) of installing on basic frame (1), its characterized in that: the tensioning mechanism (3) comprises a tensioning wheel (30), a sliding block (32) and an elastic piece (34), the tensioning wheel (30) is rotatably connected to the sliding block (32), and the sliding block (32) is connected with the base frame (1) through the elastic piece (34); when the wire passes through the tension wheel (30), the tension wheel (30) uses the direction vector of the force exerted on the wire by the elastic piece (34) and the direction vector of the movement of the wire on the tension wheel (30), and the module length of the cross product of the vector obtained by vector operation of the direction vector and the direction vector is larger than zero.

2. The wire feeding device according to claim 1, wherein: the tensioning mechanism (3) further comprises a mounting plate (35) and a sliding rail (33), the mounting plate (35) is fixedly connected to the base frame (1), and one end of the sliding rail (33) is fixedly connected to the mounting plate (35); the surface of the sliding rail (33) close to the sliding block (32) is provided with a sliding groove (330), the surface of the sliding block (32) close to the sliding rail (33) is integrally formed with a raised strip-shaped block (320), and the strip-shaped block (320) is embedded with the sliding rail (33) through the sliding groove (330).

3. The wire feeding device according to claim 2, wherein: the slide rails (33) are arranged oppositely by taking the slide blocks (32) as centers.

4. The wire feeding device according to claim 2, wherein: elastic component (34) include spring (341) and gag lever post (340), the one end and mounting panel (35) fixed connection of gag lever post (340), the one end that mounting panel (35) were kept away from in gag lever post (340) wears to locate strip piece (320), gag lever post (340) is established in spring (341) cover, the one end and the mounting panel (35) of spring (341) are connected, the one end and the strip piece (320) butt that mounting panel (35) were kept away from in spring (341).

5. The wire feeding device according to claim 1, wherein: the tensioning mechanism (3) further comprises a wheel seat (31), the wheel seat (31) is rotationally connected with the sliding block (32), the tensioning wheel (30) is rotationally mounted on the wheel seat (31), and the rotation axis of the tensioning wheel (30) is orthogonal to the rotation axis of the wheel seat (31).

6. The wire feeding device according to claim 1, wherein: the base frame (1) comprises a base (10), a first support (11) and a second support (12), wherein the first support (11) and the second support (12) are fixedly connected to the base (10).

7. The wire feeding device according to claim 6, wherein: the feeding mechanism (2) further comprises a shaft rod (21), the wire winding drum (20) is sleeved on the shaft rod (21), an object placing groove (110) is formed in the first support (11), and two ends of the shaft rod (21) are connected with the first support (11) through the object placing groove (110).

8. The wire feeding device according to claim 6, wherein: the feeding mechanism (2) further comprises a guide wheel (22), and the guide wheel (22) is arranged on the second support (12).

9. The wire feeding device according to claim 6, wherein: the straightening device is characterized by further comprising a straightening mechanism (4), wherein the straightening mechanism (4) comprises a first roller (40), a second roller (41) and a fixed seat (42), the fixed seat (42) is installed on the base (10), the first roller (40) and the second roller (41) are connected to the fixed seat (42) in a rotating mode, the rotating axis of the first roller (40) is parallel to that of the second roller (41), and a gap for the wire to pass through is reserved between the first roller (40) and the second roller (41).

10. The wire feeding device according to claim 9, wherein: the straightening mechanism (4) further comprises a distance adjusting unit (43), the distance adjusting unit (43) is arranged on the fixed seat (42), and the distance adjusting unit (43) is used for adjusting the distance between the first roller (40) and the second roller (41).