Uniform-speed pay-off device

Abstract

The utility model relates to the field of copper wire production equipment, in particular to a constant-speed pay-off device which is characterized in that the top of a top seat is rotatably connected with a rotating shaft, the top of the rotating shaft is connected with a friction disc, the outer side of the friction disc is abutted against a belt, one end of the belt is connected with a first fixing piece, and the other end of the belt is connected with a second fixing piece; the top of the friction disc is connected with a vertical rod, one side of the vertical rod is connected with a cross rod, one end of the cross rod is connected with an inclined rod, the side, away from the cross rod, of the inclined rod is arranged downwards in an inclined mode, and a first wire guide hole is formed in the end of the inclined rod. When a small drawing machine pulls a copper wire to be fed, the copper wire is paid off and drives the friction disc to rotate, meanwhile, relative friction is formed between the friction disc and the belt, the situation that the pay-off speed of the copper wire is not uniform due to inertia of pulling force is prevented, the copper wire is prevented from being excessively paid off, the copper wire is prevented from being wound, and the production reliability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to copper wire production equipment field especially relates to a uniform speed pay-off device. BACKGROUND

[0002] The small drawing machine is internally provided with a driving wheel for drawing the copper wire, and the 0.50-1.00 mm copper wire will draw the copper wire wound on the winding drum to pay off when entering the small drawing machine, and simultaneously make the paid-off copper wire pass through the guide wheel of the small drawing machine to be introduced into the small drawing machine, but the current copper wire pay-off is prone to inertia of tension, which leads to uneven pay-off speed, causes the copper wire to be excessively paid off and to fall on the ground, influences the quality of the copper wire, and easily causes the copper wire to be wound, and reduces production reliability. SUMMARY

[0003] In order to overcome the defects of the prior art, the purpose of the utility model is to provide a uniform speed pay-off device which prevents copper wire from being wound and improves production reliability.

[0004] The utility model adopts the technical scheme that:

[0005] A uniform speed pay-off device, comprising a winding drum, further comprising a top seat, the middle part of the winding drum is provided with a cavity, the top outer side of the top seat is provided with an annular sheet, and the bottom part is embedded into the cavity, the annular sheet abuts against the upper side of the winding drum, the top part of the top seat is rotatably connected with a rotating shaft through a bearing, the top part of the rotating shaft is connected with a friction disc, the outer side of the friction disc abuts against a belt, one end of the belt is connected with a first fixing part, and the other end thereof is connected with a second fixing part, the second fixing part and the first fixing part are both fixed on the top seat, the top part of the friction disc is connected with a vertical rod, one side of the vertical rod is connected with a horizontal rod, one end of the horizontal rod is connected with an inclined rod, the side, away from the horizontal rod, of the inclined rod is provided in an inclined downward manner, and the end part is provided with a first wire guide hole, the top part of the vertical rod is connected with an inverted L-shaped block, and the top part of the inverted L-shaped block is provided with a second wire guide hole.

[0006] As a preferred, the first fixing part comprises a first protruding block, a stud and a nut, the second fixing part comprises a second protruding block, a tension spring and a screw, the second protruding block is connected with the screw through a thread, one end of the tension spring is connected with the screw, and the other end thereof is connected with the belt, the stud is slidably penetrated through the first protruding block, and one end thereof is connected with the belt, the nut is provided with two and abuts against the two sides of the first protruding block respectively, and the two nuts are both connected with the stud through a thread.

[0007] As a preferred, the bottom part of the top seat is provided in an inverted circular table shape.

[0008] As a preferred, the belt is provided in a "U" shape.

[0009] As a preferred, the middle part of the friction disc is provided with an annular groove, and the belt is embedded into the annular groove.

[0010] As preferred, the weight bar is connected to the side of the vertical bar away from the horizontal bar.

[0011] As preferred, the two sides of the friction disc are symmetrically provided with the handle, and the handle is fixed to the top base.

[0012] The utility model discloses the beneficial effect lies in:

[0013] The uniform speed wire paying device prevents the copper wire from being excessively paid out, prevents the copper wire from being wound, and improves production reliability. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the three-dimensional schematic view of the utility model.

[0015] Fig. 2 It is the exploded schematic view of the utility model.

[0016] Fig. 3 It is the partial structure schematic view of the utility model.

[0017] In the drawing: 1. The wire winding drum; 2. The top base; 3. The cavity; 4. The annular sheet; 5. The rotating shaft; 6. The friction disc; 7. The belt; 8. The first fixed part; 801. The first protruding block; 802. The stud; 803. The nut; 9. The second fixed part; 901. The second protruding block; 902. The tension spring; 903. The screw; 10. The vertical bar; 11. The horizontal bar; 12. The inclined bar; 13. The first wire guide hole; 14. The inverted L-shaped block; 15. The second wire guide hole; 16. The annular groove; 17. The weight bar; 18. The handle; 19. The copper wire. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0019] Please refer to Figs. 1-3The utility model provides a kind of technical scheme: a uniform speed pay-off device, including winding drum 1, further include top seat 2, the middle part of winding drum 1 is equipped with cavity 3, the top outside of top seat 2 is equipped with annular sheet 4, and its bottom is embedded in cavity 3, annular sheet 4 and the upper side of winding drum 1 abut, the top of top seat 2 is rotatably connected with shaft 5 by bearing, the top of shaft 5 is connected with friction disc 6, the outside of friction disc 6 abuts with belt 7, one end of belt 7 is connected with first fixed part 8, and its other end is connected with second fixed part 9, second fixed part 9 and first fixed part 8 are all fixed on top seat 2, the top of friction disc 6 is connected with vertical rod 10, one side of vertical rod 10 is connected with cross bar 11, one end of cross bar 11 is connected with inclined rod 12, the side of inclined rod 12 away from cross bar 11 is set to be inclined downward, and its end part is equipped with first wire hole 13, the top of vertical rod 10 is connected with inverted L-shaped block 14, the top of inverted L-shaped block 14 is equipped with second wire hole 15;

[0020] When small drawing machine draws copper wire 19, copper wire 19 is sequentially drawn through first wire hole 13 and second wire hole 15, because copper wire 19 is wound on winding drum 1, so copper wire 19 is drawn through inclined rod 12, cross bar 11 and vertical rod 10 to drive friction disc 6 to rotate, simultaneously, friction disc 6 and belt 7 form relative friction, prevent copper wire 19 from being drawn unevenly due to the inertia of pulling force, further prevent copper wire 19 from being drawn out excessively, prevent copper wire 19 from being wound, improve production reliability.

[0021] In order to conveniently adjust the tension of belt 7, further adjust the adhesion of belt 7 and friction disc 6, in the embodiment, preferably, first fixed part 8 includes first lug 801, stud 802 and nut 803, second fixed part 9 includes second lug 901, tension spring 902 and screw 903, second lug 901 and screw 903 are connected by thread, one end of tension spring 902 is connected with screw 903, and its other end is connected with belt 7, stud 802 is slidably penetrated in first lug 801, and its one end is connected with belt 7, two nuts 803 are arranged and abut on the two sides of first lug 801 respectively, two nuts 803 are connected with stud 802 by thread;

[0022] The purpose is to move screw 903 relative to second lug 901 by rotating screw 903, further pull tension spring 902, make tension spring 902 pull belt 7, adjust the tension of belt 7, further adjust the adhesion of belt 7 and friction disc 6.

[0023] In order to facilitate the clamping of the top base 2 in the cavity 3, in the embodiment, preferably, the bottom of the top base 2 is provided in an inverted circular table shape, and the purpose is that the top base 2 is provided in an inverted circular table shape, that is, the top of the top base 2 is larger than the bottom, so that the bottom of the top base 2 is easily embedded in the cavity 3, and the top of the top base 2 can form a more close contact with the cavity 3, and as the embedding depth increases, the pressure on the top base 2 also increases, thereby enhancing the fastening, and ensuring that the top base 2 has a better adaptability in the cavity 3 and can be more stably fixed in the cavity 3.

[0024] In order to facilitate the improvement of the friction effect, in the embodiment, preferably, the belt 7 is provided in a "U" shape, and the purpose is that the belt 7 is provided in a "U" shape, so as to increase the contact area of the belt 7 with the friction disc 6 and improve the friction effect.

[0025] In order to facilitate the prevention of the belt 7 from deviating out of the friction disc 6, in the embodiment, preferably, the middle part of the friction disc 6 is provided with an annular groove 16, and the belt 7 is embedded in the annular groove 16, and the purpose is that the belt 7 is embedded in the annular groove 16, so as to prevent the belt 7 from deviating out of the friction disc 6 and improve the reliability.

[0026] In order to facilitate the improvement of the rotation stability of the vertical rod 10, in the embodiment, preferably, a counterweight rod 17 is connected to the side of the vertical rod 10 away from the horizontal rod 11, and the purpose is that the counterweight rod 17 is arranged to form a counterweight effect on the horizontal rod 11 and the inclined rod 12, so that the vertical rod 10 is balanced in force and the rotation stability of the vertical rod 10 is improved.

[0027] In order to facilitate the removal of the top base 2 from the winding drum 1, in the embodiment, preferably, handles 18 are symmetrically arranged on both sides of the friction disc 6, and the handles 18 are fixed to the top base 2, and the purpose is that after the copper wire 19 on the winding drum 1 is unwound, the next winding drum 1 with the copper wire 19 needs to be replaced, at this time, the top base 2 is removed from the winding drum 1 through the handles 18, and then the top base 2 is embedded in the cavity 3 of the next winding drum 1 through the handles 18.

[0028] Finally, it should be noted that: the above description is only a preferred example of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, and for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified or some technical features can be replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A constant speed pay-off device comprising a spool (1), characterized in that: The top seat (2) is provided with an annular flange (4) on the top outer side, and the bottom is embedded in the cavity (3), the annular flange (4) is in abutment with the upper side of the winding drum (1), the top of the top seat (2) is rotatably connected with a rotating shaft (5) through a bearing, the top of the rotating shaft (5) is connected with a friction disc (6), the outer side of the friction disc (6) is in abutment with a belt (7), one end of the belt (7) is connected with a first fixing piece (8), and the other end is connected with a second fixing piece (9), the second fixing piece (9) and the first fixing piece (8) are both fixed on the top seat (2), the top of the friction disc (6) is connected with a vertical rod (10), one side of the vertical rod (10) is connected with a horizontal rod (11), one end of the horizontal rod (11) is connected with an inclined rod (12), the side of the inclined rod (12) away from the horizontal rod (11) is arranged in an inclined downward manner, and the end portion is provided with a first wire hole (13), the top of the vertical rod (10) is connected with an inverted L-shaped block (14), the top of the inverted L-shaped block (14) is provided with a second wire hole (15).

2. The constant speed spooling device of claim 1, wherein: The first fixing piece (8) comprises a first protruding block (801), a stud (802) and a nut (803), the second fixing piece (9) comprises a second protruding block (901), a tension spring (902) and a screw (903), the second protruding block (901) and the screw (903) are connected through threads, one end of the tension spring (902) is connected with the screw (903), and the other end is connected with the belt (7), the stud (802) is slidably penetrated through the first protruding block (801), and one end is connected with the belt (7), the nut (803) is provided with two and is in abutment with the two sides of the first protruding block (801), and the two nuts (803) are connected with the stud (802) through threads.

3. The constant speed spooling device of claim 1, wherein: The bottom of the top seat (2) is provided in an inverted circular table shape.

4. The constant speed spooling device of claim 1, wherein: The belt (7) is provided in a "U" shape.

5. The constant spooling device of claim 1, wherein: The middle part of the friction disc (6) is provided with an annular groove (16), and the belt (7) is embedded in the annular groove (16).

6. The constant speed spooling device of claim 1, wherein: The side of the vertical rod (10) away from the horizontal rod (11) is connected with a counterweight rod (17).

7. The constant speed spooling device of claim 1, wherein: The two sides of the friction disc (6) are symmetrically provided with handles (18), and the handles (18) are fixed on the top seat (2).

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