Pushing mechanism for rivet cold header

Abstract

The pushing mechanism for the rivet cold header comprises a first installation groove plate and a second installation groove plate, the second installation groove plate is fixedly connected to the rear side of the inner wall of the first installation groove plate, a driving wheel is arranged above the second installation groove plate, a driven wheel is arranged below the second installation groove plate, and the first installation groove plate and the second installation groove plate are fixedly connected to the rear side of the inner wall of the first installation groove plate. A driving seat is fixedly connected to the middle of the right side of the first mounting groove plate, a pushing box is connected to the front side of the driving seat, and a servo motor is fixedly connected to the upper portion of the rear side of the first mounting groove plate, so that the steel wires can be intermittently fed, and meanwhile, the situation that the steel wires return due to inertia when the servo motor is started and stopped is prevented; according to the steel wire feeding device, the steel wires can be guided, meanwhile, the limiting blocks can be adjusted according to the sizes of the steel wires, the application range is greatly widened, and when the steel wires of a winding disc are fed and machined, the short steel wires can be automatically fed into a cold header to be machined after being manually fed.

Description

Technical Field

[0001] The utility model relates to the technical field of rivet cold heading machines, in particular to a pushing mechanism for rivet cold heading machines. Background Art

[0002] Rivets are used to connect two nail-shaped parts with through holes and a cap at one end. In riveting, the parts being riveted are connected by using their own deformation or interference. There are many types of rivets, and they are not restricted in form. Rivets are generally made by processing steel wire with a rivet cold heading machine.

[0003] In the prior art, application number 202220223097.2 discloses a pushing mechanism for a rivet cold heading machine, which includes a base plate, a driving wheel is rotatably arranged on the base plate, a driven wheel is rotatably arranged on the lower side of the driving wheel, the axial directions of the driving wheel and the driven wheel are consistent, a bracket is arranged on the base plate, and the bracket is located on the lower side of the driven wheel; a friction block is arranged on the bracket, and the side of the friction block facing away from the bracket conflicts with the driven wheel; the above-mentioned device needs to add an extra anti-slip structure to the outer side of the driving wheel and the driven wheel to prevent the steel wire material from falling off, and the motor needs to be started or shut down intermittently, and it is impossible to combine non-stop intermittent feeding with preventing the steel wire material from falling off, so the practicality is greatly reduced, and the driving wheel and the driven wheel can only automatically load and feed the steel wire on the winding reel, and it is impossible to feed the shorter steel wire to the cold heading machine for processing after manual loading.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the problems in the related technology, the utility model proposes a pushing mechanism for a rivet cold heading machine to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A pushing mechanism for a rivet cold heading machine comprises a first mounting groove plate and a second mounting groove plate, wherein the second mounting groove plate is fixedly connected to the rear side of the inner wall of the first mounting groove plate, a driving wheel is provided above the second mounting groove plate, a driven wheel is provided below the second mounting groove plate, a driving seat is fixedly connected to the middle part of the right side of the first mounting groove plate, a pushing box is connected to the front side of the driving seat, and a servo motor is fixedly connected to the upper rear side of the first mounting groove plate.

[0008] Preferably, a mounting cavity is provided in the rear wall cavity of the first mounting groove plate, and a rotating shaft is fixedly sleeved in the middle of the driving wheel and the driven wheel. The rear end of the rotating shaft is connected to the rear side of the inner wall of the first mounting groove plate through a bearing and extends into the mounting cavity.

[0009] Preferably, the output shaft of the servo motor extends into the installation cavity, and the inner end is fixedly connected to the rear end of the rotating shaft of the driving wheel, and the rear end outer walls of the rotating shaft of the driven wheel and the rear end outer walls of the rotating shaft of the driving wheel are respectively sleeved and fixed with gears.

[0010] Preferably, the gears are meshed with each other, and anti-skid protrusions are equidistantly fixed on the top side of the inner wall of the driving wheel and the bottom side of the inner wall of the driven wheel, and the anti-skid protrusions extend into the outer sides of the driving wheel and the driven wheel.

[0011] Preferably, limit blocks are symmetrically provided on both sides of the inner cavity of the second installation groove plate, an arc-shaped groove is dug on the opposite side of the limit block, and installation holes are dug at the four corners of the outer wall of the limit block.

[0012] Preferably, a spring damper is fixedly connected to the inner wall of the mounting hole, and the outer end of the spring damper extends into the outside of the mounting hole and is fixedly connected to the inner wall of the second mounting groove plate.

[0013] Preferably, a mounting groove is dug at the front side of the driving seat, a rodless cylinder is fixedly connected between the inner walls of the mounting groove, and a movable end of the rodless cylinder is fixedly connected to the push box.

[0014] Preferably, a feeding hole is provided through the inside of the push box, a telescopic cylinder is fixedly connected to the top side of the push box, the fixed end of the telescopic cylinder extends into the feeding hole, and a non-slip pad is fixedly connected to the movable end.

[0015] The beneficial effects of the utility model are as follows: the steel wire can be fed intermittently, and the start-stop servo motor can be prevented from causing the steel wire to retreat due to inertia. While guiding the steel wire, the limit block can be adjusted according to the size of the steel wire, and the scope of application is greatly improved. The steel wire on the winding reel can be fed and processed at the same time, and after the shorter steel wire is manually loaded, it can be autonomously fed to the cold heading machine for processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of a pushing mechanism for a rivet cold heading machine according to an embodiment of the utility model;

[0018] Figure 2It is a schematic cross-sectional structure diagram of a first mounting groove plate of a pushing mechanism for a rivet cold heading machine according to an embodiment of the utility model;

[0019] Figure 3 It is a schematic cross-sectional structure diagram of a second mounting groove plate of a pushing mechanism for a rivet cold heading machine according to an embodiment of the utility model;

[0020] Figure 4 The utility model is a schematic diagram of the cross-sectional structure of a push box of a push mechanism for a rivet cold heading machine according to an embodiment of the utility model.

[0021] In the figure:

[0022] 1. First mounting groove plate; 2. Second mounting groove plate; 3. Driving wheel; 4. Driven wheel; 5. Driving seat; 6. Push box; 7. Servo motor; 8. Mounting cavity; 9. Rotating shaft; 10. Gear; 11. Anti-skid protrusion; 12. Limit block; 13. Arc groove; 14. Mounting hole; 15. Spring damper; 16. Mounting groove; 17. Rodless cylinder; 18. Feeding hole; 19. Telescopic cylinder; 20. Anti-skid pad. DETAILED DESCRIPTION

[0023] To further illustrate each embodiment, the present invention provides drawings, which are part of the disclosure of the present invention and are mainly used to illustrate the embodiments. They can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementation methods and advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0024] According to an embodiment of the utility model, a pushing mechanism for a rivet cold heading machine is provided.

[0025] Embodiment 1

[0026] like Figure 1-4As shown, a pushing mechanism for a rivet cold heading machine according to an embodiment of the utility model comprises a first mounting groove plate 1 and a second mounting groove plate 2, the second mounting groove plate 2 being fixedly connected to the rear side of the inner wall of the first mounting groove plate 1, a driving wheel 3 is provided above the second mounting groove plate 2, a driven wheel 4 is provided below the second mounting groove plate 2, a driving seat 5 is fixedly connected to the middle part of the right side of the first mounting groove plate 1, a pushing box 6 is connected to the front side of the driving seat 5, a servo motor 7 is fixedly connected to the upper part of the rear side of the first mounting groove plate 1, a mounting cavity 8 is provided in the rear side wall cavity of the first mounting groove plate 1, a rotating shaft 9 is fixedly sleeved in the middle part of the driving wheel 3 and the driven wheel 4, the rear end of the rotating shaft 9 is connected to the rear side of the inner wall of the first mounting groove plate 1 through a bearing, and both extend into the mounting cavity 8, the output shaft of the servo motor 7 extends into the mounting cavity 8, and the inner end is fixedly connected to the rear end of the rotating shaft 9 of the driving wheel 3, the rear end outer wall of the rotating shaft 9 of the driven wheel 4 is respectively connected to the rear end outer wall of the rotating shaft 9 of the driving wheel 3 A gear 10 is sleeved and fixed, and the gears 10 mesh with each other. Anti-skid protrusions 11 are fixed equidistantly on the top side of the inner wall of the driving wheel 3 and the bottom side of the inner wall of the driven wheel 4, respectively. The anti-skid protrusions 11 extend into the outer sides of the driving wheel 3 and the driven wheel 4. By starting the servo motor 7, the output shaft of the servo motor 7 drives the rotating shaft 9 of the driving wheel 3 to rotate, so that the gear 10 on the outer wall of the rotating shaft 9 of the driving wheel 3 drives the gear 10 on the outer wall of the rotating shaft 9 of the driven wheel 4 to mesh and drive, so that the driving wheel 3 It is convenient for the driven wheel 4 to rotate clockwise or counterclockwise, so that the anti-skid protrusions 11 on the outer walls of the driving wheel 3 and the driven wheel 4 respectively feed the steel wire passing through the second mounting groove plate 2 to the left, and the anti-skid protrusions 11 are equidistantly arranged above the inner wall of the driving wheel 3 and below the inner wall of the driven wheel 4. The anti-skid protrusions 11 can only feed the steel wire after contacting the upper and lower parts, so that the steel wire can be fed intermittently, and at the same time, the start-stop servo motor 7 can be prevented from causing the steel wire to retreat due to inertia.

[0027] Embodiment 2

[0028] like Figure 1-4As shown, according to an embodiment of the utility model, a pushing mechanism for a rivet cold heading machine includes a first mounting groove plate 1 and a second mounting groove plate 2. The second mounting groove plate 2 is fixedly connected to the rear side of the inner wall of the first mounting groove plate 1. A driving wheel 3 is provided above the second mounting groove plate 2, and a driven wheel 4 is provided below the second mounting groove plate 2. A driving seat 5 is fixedly connected to the middle of the right side of the first mounting groove plate 1, and a pushing box 6 is connected to the front side of the driving seat 5. A servo motor 7 is fixedly connected to the upper rear side of the first mounting groove plate 1. Limit blocks 12 are symmetrically provided on both sides of the inner cavity of the second mounting groove plate 2. The limit blocks An arc-shaped groove 13 is dug on the opposite side of 12, and mounting holes 14 are respectively dug at the four corners of the outer wall of the limit block 12. A spring damper 15 is fixedly connected to the inner wall of the mounting hole 14. The outer end of the spring damper 15 extends into the outer side of the mounting hole 14 and is fixedly connected to the inner wall of the second mounting groove plate 2. The steel wire material enters the arc-shaped groove 13 of the limit block 12 inside the second mounting groove plate 2, and the position of the limit block 12 can be adjusted by the spring damper 15. While guiding the steel wire, the limit block 12 can be adjusted according to the size of the steel wire, and the scope of application is greatly improved.

[0029] Embodiment 3

[0030] like Figure 1-4 As shown, a pushing mechanism for a rivet cold heading machine according to an embodiment of the utility model comprises a first mounting groove plate 1 and a second mounting groove plate 2, the second mounting groove plate 2 being fixedly connected to the rear side of the inner wall of the first mounting groove plate 1, a driving wheel 3 being provided above the second mounting groove plate 2, and a driven wheel 4 being provided below the second mounting groove plate 2, a driving seat 5 being fixedly connected to the middle part of the right side of the first mounting groove plate 1, a pushing box 6 being connected to the front side of the driving seat 5, a servo motor 7 being fixedly connected to the upper rear side of the first mounting groove plate 1, a mounting groove 16 being dug at the front side of the driving seat 5, a rodless cylinder 17 being fixedly connected between the inner walls of the mounting groove 16, a movable end of the rodless cylinder 17 being fixedly connected to the pushing box 6, a feeding hole 18 being provided through the interior of the pushing box 6, a telescopic cylinder 19 being fixedly connected to the top side of the pushing box 6, and the telescopic cylinder The fixed end of 19 extends into the feeding hole 18, and the movable end is fixedly connected with the anti-skid pad 20. When the shorter steel wire is manually fed, the steel wire can be pushed into the feeding hole 18 of the push box 6 during the process. While controlling the movable end of the rodless cylinder 17 to move to the left, the movable end of the telescopic cylinder 19 clamps and positions the steel wire through the anti-skid pad 20. While controlling the movable end of the rodless cylinder 17 to move to the right, the movable end of the telescopic cylinder 19 is controlled to leave the top side of the steel wire through the anti-skid pad 20, and then the push box 6 slides to the right outside the steel wire, and then the telescopic cylinder 19 and the rodless cylinder 17 are controlled to clamp and move the steel wire to the left for feeding. The steel wire on the winding reel can be fed and processed at the same time, and after the shorter steel wire is manually fed, it can be autonomously fed to the cold heading machine for processing.

[0031] In summary, with the aid of the above technical solution of the utility model, when the device is in use, by starting the servo motor 7, the output shaft of the servo motor 7 drives the rotating shaft 9 of the driving wheel 3 to rotate, so that the gear 10 on the outer wall of the rotating shaft 9 of the driving wheel 3 drives the gear 10 on the outer wall of the rotating shaft 9 of the driven wheel 4 to engage and drive, so that the driving wheel 3 and the driven wheel 4 can be conveniently rotated clockwise and counterclockwise, and the anti-skid protrusions 11 on the outer walls of the driving wheel 3 and the driven wheel 4 respectively feed the steel wire passing through the second mounting groove plate 2 to the left, and the anti-skid protrusions 11 are equidistantly arranged above the inner wall of the driving wheel 3 and below the inner wall of the driven wheel 4, and the anti-skid protrusions 11 can only be fed after contacting the steel wire from top to bottom, and the steel wire material Enter the arc groove 13 of the limit block 12 inside the second mounting groove plate 2, and the position of the limit block 12 can be adjusted by the spring damper 15. When the shorter steel wire is manually fed, the steel wire can be pushed into the feeding hole 18 of the push box 6 during the process. While controlling the active end of the rodless cylinder 17 to move to the left, the active end of the telescopic cylinder 19 clamps and positions the steel wire through the anti-slip pad 20. While controlling the active end of the rodless cylinder 17 to move to the right, the active end of the telescopic cylinder 19 is controlled to leave the top side of the steel wire through the anti-slip pad 20, and then the push box 6 slides to the right outside the steel wire, and then the telescopic cylinder 19 and the rodless cylinder 17 are controlled to clamp the steel wire and move it to the left to feed.

[0032] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pushing mechanism for a rivet cold heading machine, comprising a first mounting groove plate (1) and a second mounting groove plate (2), characterized in that: The second mounting groove plate (2) is fixedly connected to the rear side of the inner wall of the first mounting groove plate (1); a driving wheel (3) is provided above the second mounting groove plate (2); a driven wheel (4) is provided below the second mounting groove plate (2); a driving seat (5) is fixedly connected to the middle of the right side of the first mounting groove plate (1); a push box (6) is connected to the front side of the driving seat (5); and a servo motor (7) is fixedly connected to the upper rear side of the first mounting groove plate (1).

2. A pushing mechanism for a rivet cold heading machine according to claim 1, characterized in that: The first mounting groove plate (1) has a mounting cavity (8) in the rear wall cavity, and the middle parts of the driving wheel (3) and the driven wheel (4) are both fixedly sleeved with a rotating shaft (9), and the rear ends of the rotating shaft (9) are connected to the rear side of the inner wall of the first mounting groove plate (1) through a bearing, and both extend into the mounting cavity (8).

3. The pushing mechanism for a rivet cold heading machine according to claim 2, characterized in that: The output shaft of the servo motor (7) extends into the installation cavity (8), and the inner end is fixedly connected to the rear end of the rotating shaft (9) of the driving wheel (3), and the rear end outer wall of the rotating shaft (9) of the driven wheel (4) and the rear end outer wall of the rotating shaft (9) of the driving wheel (3) are respectively sleeved and fixed with gears (10).

4. The pushing mechanism for a rivet cold heading machine according to claim 3, characterized in that: The gears (10) are meshed with each other, and anti-skid protrusions (11) are fixed at equal distances on the top side of the inner wall of the driving wheel (3) and the bottom side of the inner wall of the driven wheel (4), and the anti-skid protrusions (11) extend into the outside of the driving wheel (3) and the driven wheel (4).

5. A pushing mechanism for a rivet cold heading machine according to claim 4, characterized in that: Limit blocks (12) are symmetrically provided on both sides of the inner cavity of the second installation groove plate (2), an arc-shaped groove (13) is excavated on the opposite side of the limit block (12), and installation holes (14) are excavated at the four corners of the outer wall of the limit block (12).

6. A pushing mechanism for a rivet cold heading machine according to claim 5, characterized in that: A spring damper (15) is fixedly connected to the inner wall of the mounting hole (14); the outer end of the spring damper (15) extends into the outside of the mounting hole (14) and is fixedly connected to the inner wall of the second mounting groove plate (2).

7. A pushing mechanism for a rivet cold heading machine according to claim 6, characterized in that: A mounting groove (16) is excavated on the front side of the driving seat (5), a rodless cylinder (17) is fixedly connected between the inner walls of the mounting groove (16), and a movable end of the rodless cylinder (17) is fixedly connected to the push box (6).

8. The pushing mechanism for a rivet cold heading machine according to claim 7, characterized in that: A material feeding hole (18) is provided inside the push box (6), a telescopic cylinder (19) is fixedly connected to the top side of the push box (6), the fixed end of the telescopic cylinder (19) extends into the material feeding hole (18), and a non-slip pad (20) is fixedly connected to the movable end.

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