CN218015494U

CN218015494U - Numerical control rod making machine

Info

Publication number: CN218015494U
Application number: CN202222690683.0U
Authority: CN
Inventors: 金达; 叶景春; 俞强
Original assignee: ZHEJIANG OMNIPOTENT SPRING MACHINE CO Ltd
Current assignee: ZHEJIANG OMNIPOTENT SPRING MACHINE CO Ltd
Priority date: 2021-12-10
Filing date: 2022-10-10
Publication date: 2022-12-13
Anticipated expiration: 2032-10-10

Abstract

The utility model discloses a numerical control rod making machine, which comprises a straightening mechanism, a stamping mechanism, a feeding mechanism and a curling mechanism along the linear conveying direction of a wire rod; the straightening mechanism is used for straightening wires and comprises a plurality of groups of straightening roller sets, and a wire conveying channel is arranged between two straightening rollers in each group of straightening roller sets; the punching mechanism is used for punching, and comprises a servo motor, a speed reducer, a gland and a working table plate, wherein the gland is positioned above the working table plate, an upper die is arranged on the gland, a lower die is arranged on the working table plate, and a wire rod conveying channel is arranged in the lower die; the feeding mechanism is used for conveying wires and comprises a plurality of groups of feeding wheel sets, and a wire conveying channel is formed between two feeding wheels in each group of feeding wheel sets; the curling mechanism is used for bending and cutting off wires and comprises a substrate and working claws, wire outlet holes serving as wire conveying channels are formed in the substrate, and the working claws are arranged around the wire outlet holes. The numerical control rod making machine has the characteristics of high processing efficiency and high product qualification rate.

Description

Numerical control rod making machine

Technical Field

The utility model relates to a numerical control machinery, in particular to numerical control system pole machine.

Background

The windscreen wiper comprises a windscreen wiper rod piece and adhesive tapes arranged on the windscreen wiper rod piece, wherein a plurality of holes in different shapes are formed in the windscreen wiper rod piece, and the holes are used for installing screws to realize connection with other parts; specifically, as shown in fig. 1 and 2, in the vertical direction, the head end of the rod is bent downward by 180 degrees, and the tail end is bent downward by 30 degrees; in the horizontal direction, the middle section of the rod piece is bent, in the vertical direction, the middle section of the rod piece is bent, and the specific bending part is shown in the figure; meanwhile, the downward bending parts of the head end and the tail end of the rod piece are both provided with a through hole.

The existing processing mode of the rod piece with the hole is as follows: a bundle of wires are bent and cut on a special numerical control rod making machine to finally make a single rod piece, and then the single rod piece is punched or impacted on a marking machine manually to make an initial product.

The two process steps are completed by two independent machines, and the connection of the rod pieces between the two machines needs to be manually carried out; when punching is carried out, each rod piece needs to be manually repositioned to carry out punching, and because the through hole of the rod piece is positioned at the bent part, the actual punching is difficult to process, and the bent and overlapped rod piece part needs to be prevented from being punched through if the punching is too deep;

in conclusion, the processing mode of the existing rod piece has the defects of long time consumption, complex process, unsmooth process connection, higher manual participation degree and low product percent of pass.

In view of the above, the present invention provides a numerical control rod making machine, which is produced by the present invention.

Disclosure of Invention

The utility model provides a numerical control rod making machine, which has the characteristics of high processing efficiency and high product percent of pass; specifically, the utility model discloses a realize through following technical scheme:

a numerical control rod making machine comprises a straightening mechanism, a stamping mechanism, a feeding mechanism and a curling mechanism along the linear conveying direction of a wire rod; the straightening mechanism is used for straightening wires and comprises a plurality of groups of straightening roller sets, and a wire conveying channel is formed between two straightening rollers in each group of straightening roller sets; the punching mechanism is used for punching, and comprises a servo motor, a speed reducer, a gland and a working table plate, wherein the gland is positioned above the working table plate, an upper die is arranged on the gland, a lower die is arranged on the working table plate, and a wire rod conveying channel is arranged in the lower die; the feeding mechanism is used for conveying wires and comprises a plurality of groups of feeding wheel sets, and a wire conveying channel is formed between two feeding wheels in each group of feeding wheel sets; the curling mechanism is used for bending and cutting off wires and comprises a substrate and working claws, wherein wire outlet holes serving as wire conveying channels are formed in the substrate, and the working claws are arranged on the substrate around the wire outlet holes; the wire conveying channels in the straightening mechanism, the stamping mechanism, the feeding mechanism and the curling mechanism are in the same horizontal straight line.

The wire rod conveying channels in the mechanisms are at the same horizontal height, and the wire rod conveying channels in the mechanisms are connected to form a horizontal straight line, so that the wire rod is prevented from being bent in the conveying process, the wire rod is accurately positioned, the size of the manufactured rod piece is prevented from deviating, and the qualification rate of the manufactured rod piece is ensured. Punching press mechanism links up through feeding mechanism with curling mechanism to punch and two technologies of crooked member have carried out automatic linking, avoid artifical manual transport member, the punching press process of punching press mechanism is in before curling mechanism's the crooked process of cutting off simultaneously, has avoided punching produced trouble behind the crooked member of current process again, and the process design is more reasonable effective. According to the position of the hole in the rod piece, the set punching speed, the set wire rod conveying speed, the set wire rod pause time in the punching mechanism and the like, the accurate punching of each rod piece is ensured.

Further, along the linear conveying direction of the wire rod, the straightening mechanism sequentially comprises a vertical straightening roller set and a horizontal straightening roller set; the vertical straightening roller group comprises a plurality of straightening rollers which are staggered up and down, and a wire rod conveying channel is arranged between the upper straightening roller and the lower straightening roller; the horizontal straightening roller group comprises a plurality of horizontal straightening rollers arranged left and right, and a wire conveying channel is arranged between the left and right straightening rollers.

The vertical straightening roller group and the horizontal straightening roller group which are arranged in different directions can respectively straighten the horizontal plane and the vertical plane of the wire rod, so that the punching or curling size accuracy of the follow-up wire rod is ensured. Meanwhile, the straightening mechanism also plays a role in conveying the wire.

Further, the height of the working table plate can be adjusted; the working table plate is provided with a waste hole.

The height of the working table plate can be adjusted to ensure that the wire conveying channels in the mechanisms are at the same horizontal height.

Furthermore, the speed reducer comprises a large gear connected with the servo motor, the large gear is assembled on a horizontally arranged connecting shaft, the end part of the connecting shaft is fixedly connected with a horizontally arranged eccentric shaft, a connecting rod is sleeved on the eccentric shaft, and the connecting rod is connected with the eccentric shaft through a bearing; the lower extreme and the slider of connecting rod are connected, and the slider assembly is on vertical slide rail, and the slider is connected with the gland.

The servo motor can realize accurate positioning, the up-down running distance is accurate, no time delay occurs, and the servo motor aims at conveying the moving wire; therefore, the servo motor can be accurately matched with the wire conveying speed, and the condition that the deviation occurs in the punching position due to time delay or excessive vertical lifting of the drill cannot occur.

Further, feeding mechanism includes a plurality of groups of feeding wheelsets that set up along wire rod direction of delivery, and every group of feeding wheelset includes upper and lower feeding wheel, is wire rod transfer passage between the upper and lower feeding wheel.

Further, a crimping mechanism is used to bend and cut the wire; a plurality of working positions are arranged on the base plate around the wire outlet hole, the working claws are arranged on the working positions, and the working claws are provided with processing cutter bodies.

Furthermore, eight working positions are arranged on the substrate, the first working position is arranged in the 12 o' clock direction, and the second working position, the eighth working position and the fourth working position are sequentially arranged in a mode that the next working position is spaced by 45 degrees clockwise from the previous working position; first to eighth working claws are correspondingly arranged on the first to eighth working positions respectively.

Further, a cutting knife is arranged on the first working claw; the fifth working claw and the seventh working claw are provided with clamping cutters; the second, fourth, sixth and eighth working claws are all provided with a top knife.

Furthermore, three clamping fingers which are arranged in a triangular manner are arranged at the end part of the clamping knife; the clamping knife is rotatable.

Furthermore, in the straightening mechanism, the punching mechanism, the feeding mechanism and the curling mechanism, each mechanism is independently controlled by a motor.

In the processing process, any mechanism has a problem, namely can be independently detected without any influence on each other.

Drawings

Figure 1 is a front view of a bar being processed;

FIG. 2 is a top view of a rod being processed;

figure 3 is the utility model provides a numerical control rod making machine embodiment's overall structure stereogram

FIG. 4 is a front view of the overall structure of an embodiment of the numerical control rod making machine provided by the present invention;

fig. 5 is a front cross-sectional view of an embodiment of a straightening mechanism provided by the present invention;

fig. 6 is a left cross-sectional view of an embodiment of a punching mechanism provided by the present invention;

fig. 7 is a front sectional view of an embodiment of a feeding mechanism provided by the present invention;

fig. 8 is a right side view of an embodiment of a crimping mechanism provided by the present invention;

fig. 9 is a perspective view of an embodiment of a working claw with a clamping knife provided by the present invention.

Wherein: 1. a straightening mechanism; 2. a stamping mechanism; 3. a feeding mechanism; 4. a crimping mechanism; 5. a vertical straightening roller set; 6. a horizontal straightening roller set; 7. a servo motor; 8. a speed reducer; 9. a gland; 10. a work table; 11. a scrap hole; 12. a bull gear; 13. a connecting shaft; 14. an eccentric shaft; 15. a connecting rod; 16. a bearing; 17. a slider; 18. a slide rail; 19. a substrate; 20. a wire outlet hole; 21. a wire rod; 22. an upper die; 23. a lower die; 24. a working claw; 241. a first working claw; 242. a second working claw; 243. a third working claw; 244. a fourth working claw; 245. a fifth working claw; 246. a sixth working claw; 247. a seventh working claw; 248. an eighth working jaw; 25. and (4) clamping fingers.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the following detailed description.

As shown in fig. 3 and 4, a numerical control rod making machine sequentially comprises a straightening mechanism 1, a stamping mechanism 2, a feeding mechanism 3 and a curling mechanism 4 along the conveying direction of a wire 21; the punching mechanism 2 is used for punching or marking; from the straightening mechanism 1 to the curling mechanism 4, the conveying route of the wire 21 is a horizontally arranged straight line along which the processed wire 21 is conveyed all the way. The feeding structure 3 plays a role in connecting the stamping mechanism 2 with the curling mechanism 4. The wire rod is straightened by the straightening mechanism 1, sent into the punching mechanism 2 to be punched and punched, then sent into the curling mechanism 4 by the feeding mechanism 3, bent and shaped by the curling mechanism 4, finally cut off and made into a single rod piece.

In this machine, carry manufacturing procedure according to wire rod 21, punching press mechanism 2 sets up before crimping mechanism 4, consequently buckles at wire rod 21 and cuts off into single member before, has accomplished to punch, only need during punching wire rod 21 wholly carry out once fix a position can, can avoid in the current preparation technology like this, when punching again after making single member, need carry out the step of fixing a position to every member, improved efficiency. In the machine, the punching mechanism 2 punches on the flat wire 21, so that the punching is convenient; in the existing rod piece manufacturing process, when the wire 21 is firstly manufactured into a single rod piece and then the hole is punched, the single rod piece is bent, so that the punching and the positioning are inconvenient. According to the position of the hole on each bar, the punching rate, the wire 21 feeding rate, the pause time of the wire 21 in the punching mechanism 2, and the like are set.

As shown in fig. 4 and 5, the straightening mechanism 1 is used for straightening the wire 21; along the conveying route of the wire 21, the straightening mechanism 1 comprises a vertical straightening roller group 5 and a horizontal straightening roller group 6; the vertical straightening roller group 5 comprises a plurality of straightening rollers which are arranged in a vertically staggered mode, the gap between the upper straightening roller and the lower straightening roller is a conveying channel of the wire 21, and the vertical straightening roller group 5 corrects the horizontal flatness of the wire 21; the horizontal straightening roller group 6 comprises a plurality of horizontal and left and right straightening rollers, the horizontal straightening roller group 6 corrects the front and back flatness of the wire 21, and a wire 21 conveying channel is arranged between the left and right straightening rollers; meanwhile, the vertical straightening roller group 5 and the horizontal straightening roller group 6 also play a role in conveying the wire 21 while roll-correcting the wire 21.

As shown in fig. 4 and 6, the stamping mechanism 2 includes a servo motor 7, a speed reducer 8, a gland 9 and a work table plate 10, the gland 9 is located above the work table plate 10, the gland 9 is assembled and connected with an upper die 22 in the stamping model, the work table is assembled and connected with a lower die 23 in the stamping model, a wire 21 conveying channel is arranged in the lower die 23, the upper die and the lower die are closed, and holes are punched on the wire 21; the servo motor 7 is in linkage connection with the gland 9 through the speed reducer 8 to drive the gland 9 to lift, and the servo motor 7 timely and accurately controls the height of the gland 9; the height of the working table plate 10 can be adjusted, so that the height of a wire 21 conveying channel in the lower die 23 can be adjusted, and therefore the conveying channels of the wires 21 in all mechanisms are ensured to be on the same horizontal plane, and the conveying route of the wires 21 is a straight line; the working table plate 10 is provided with a waste hole 11, and waste materials which are punched from the wire 21 fall down from the waste hole 11 and fall into a waste material collecting box below along a guide plate; the wire 21 conveyed from the straightening mechanism 1 enters a lower die 23 and is provided with a wire 21 conveying channel to wait for punching; the punched wire 21 is fed into the feeding mechanism 3.

As shown in fig. 6, the structure of the connection between the speed reducer 8 and the gland 9 in the press mechanism 2 is as follows: the speed reducer 8 comprises a large gear 12, the large gear 12 is connected with the servo motor 7, the large gear 12 is assembled on a horizontally arranged connecting shaft 13, the end part of the connecting shaft 13 is fixedly connected with a horizontally arranged eccentric shaft 14, a connecting rod 15 is sleeved on the eccentric shaft 14, and the connecting rod 15 is connected with the eccentric shaft 14 through a bearing 16; the lower end of the connecting rod 15 is connected with a sliding block 17, the sliding block 17 is assembled on a vertical sliding rail 18, and the sliding block 17 can move along the sliding rail 18; the sliding block 17 is connected with the gland 9 and drives the gland 9 to move up and down; therefore, as the servo motor 7 rotates, the large gear 12 linked with the servo motor is driven, the connecting shaft 13 is further driven to rotate, the eccentric shaft 14 is driven to rotate to revolve around the axis of the connecting shaft 13, and the whole eccentric shaft 14 is equivalent to move vertically and horizontally; along with eccentric shaft 14 rotates, drive connecting rod 15 and carry out vertical and horizontal migration equally, because the lower extreme and the slider 17 of connecting rod 15 are connected, the moving path of slider 17 is restricted by vertical slide rail 18, consequently connecting rod 15 drives slider 17 and carries out vertical direction motion, last mould 22 carries out up-and-down motion in finally driving gland 9, beat mark or punch a hole to wire rod 21 of below, can beat simultaneously and establish a plurality of holes, go up mould 22 and lower mould 23 and can change according to the shape and size requirement of product to and the quantity specification of punching.

As shown in fig. 7, the feeding mechanism 3 includes several sets of feeding wheel sets arranged along the conveying path of the wire 21, each set of feeding wheel set includes two feeding wheels, a gap between the two feeding wheels is a conveying channel for the wire 21, the conveying channel for the wire 21 of the feeding mechanism 3 and the conveying channel for the wire 21 in the stamping mechanism 2 are maintained at the same level, when the wire 21 is conveyed on the feeding wheel set, the feeding wheels straighten the punched wire 21 again, and the wire 21 entering the crimping mechanism 4 is maintained at a horizontal straight line.

The crimping mechanism 4 is used for bending and cutting the wire 21 into a single rod; as shown in fig. 8, the crimping mechanism 4 includes a base plate 19 and a working claw 24, a hole 20 for a wire 21 is opened on the base plate 19, the hole 20 for the wire 21 is a conveying channel for the wire 21 of the mechanism, and the hole 20 for the wire 21 and the conveying channel for the wire 21 in the feeding mechanism 3 are maintained at the same horizontal height, so that the wire 21 can enter the crimping mechanism conveniently without deformation. Eight working positions are arranged on the base plate 19 around the wire outlet 21 hole 20, the angle of each working position is consistent and is 45 degrees, the first working position is arranged in the 12 o' clock direction, and the second working position, the eighth working position and the fourth working position are sequentially arranged in a mode that the next working position is 45 degrees clockwise from the previous working position.

The working claws 24 are arranged on the working positions, the working claws 24 are provided with machining cutters, and the corresponding machining cutters are selected to be arranged on the corresponding working claws 24 according to the shape requirement of the machining rod piece; first to eighth working claws are sequentially arranged on the first to eighth working positions. Wherein the first working jaw 241 is provided with a cutting knife for cutting the wire 21 into a single rod. Clamping knives are arranged on the fifth working claw 245 and the seventh working claw 247 and used for clamping the wire 21, as shown in fig. 9, three clamping fingers 25 arranged in a triangular shape are arranged at the end part of each clamping knife, and the wire 21 is clamped between the clamping fingers 25; while the clamping knife is rotatable, when the wire 21 is caught between the clamping fingers 25, the wire 21 of the clamped portion is bent as the clamping is rotated. The second working claw 242, the fourth working claw 244, the sixth working claw 246, and the eighth working claw 248 are all provided with a top knife for pressing different portions of the wire 21, and the wire 21 is bent according to the shape of the top knife, and when in use, the clamping knife cooperates with the top knife to clamp the wire 21 that is not to be bent, and the top knife presses the wire 21 to bend the portion of the wire 21 that is not to be clamped. In the above mechanism, since the machining tool is not attached to the third operating claw 243, the corresponding operating claw 24 may not be attached to the third operating position.

The single rod is made by the curling mechanism 4, the shape of the single rod is shown in fig. 1 and 2, and the making work process is as follows: the head end of the wire 21 is led out from the hole 20 of the wire 21, the clamping knife on the seventh working claw 247 is driven to be close to and clamp the head end of the wire 21, the clamping knife rotates 180 degrees to bend the head end of the wire 21 by 180 degrees, and then the seventh working claw 247 is far away from and releases the wire 21; the wire 21 is continuously led out, the clamping knife on the fifth working claw 245 is close to and clamps the wire 21, and the top knife of the second working claw 242, the fourth working claw 244, the sixth working claw 246 and the eighth working claw 248 is selected to be close to and press the wire 21 according to the bending angle required at the middle part of the rod piece along with the leading-out of the wire 21; the wire 21 is continuously led out, the clamping knife on the seventh working claw 247 approaches and clamps the wire 21, the clamping knife rotates for 30 degrees, and then the seventh working claw 247 moves away and releases the wire 21; the wire 21 is continuously led out, and the cutting blade of the first working claw 241 approaches and cuts the wire 21, thereby manufacturing a single rod.

Each of the straightening mechanism 1, the punching mechanism 2, the feeding mechanism 3 and the curling mechanism 4 is independently controlled by an independent motor, and in the machining process, any one mechanism has a problem, namely can be independently detected. And each motor is integrally controlled by a computer system, for example, the motors are controlled by a PLC (programmable logic controller), so that the synchronization among the mechanisms is realized, and the punching speed, the conveying speed of the wire 21, the pause time of the wire 21 in the punching mechanism 2 and the like are set according to the position of the hole on each rod piece.

Above is the utility model discloses preferred embodiment the utility model discloses make a plurality of other simple replacements and changes under the design prerequisite, all should regard as belonging to the utility model discloses a protection category.

Claims

1. A numerical control rod making machine is characterized in that: along the linear conveying direction of the wire rod, the wire rod straightening device comprises a straightening mechanism, a stamping mechanism, a feeding mechanism and a curling mechanism; the straightening mechanism is used for straightening wires and comprises a plurality of groups of straightening roller sets, and a wire conveying channel is arranged between two straightening rollers in each group of straightening roller sets; the punching mechanism is used for punching, and comprises a servo motor, a speed reducer, a gland and a working table plate, wherein the gland is positioned above the working table plate, an upper die is arranged on the gland, a lower die is arranged on the working table plate, and a wire rod conveying channel is arranged in the lower die; the feeding mechanism is used for conveying wires and comprises a plurality of groups of feeding wheel sets, and a wire conveying channel is formed between two feeding wheels in each group of feeding wheel sets; the curling mechanism is used for bending and cutting off wires and comprises a substrate and working claws, wherein wire outlet holes serving as wire conveying channels are formed in the substrate, and the working claws are arranged on the substrate around the wire outlet holes; the wire conveying channels in the straightening mechanism, the stamping mechanism, the feeding mechanism and the curling mechanism are in the same horizontal straight line.

2. A numerically controlled rod making machine according to claim 1, characterized in that: along the linear conveying direction of the wire rod, the straightening mechanism sequentially comprises a vertical straightening roller set and a horizontal straightening roller set; the vertical straightening roller group comprises a plurality of straightening rollers which are staggered up and down, and a wire rod conveying channel is arranged between the upper straightening roller and the lower straightening roller; the horizontal straightening roller group comprises a plurality of horizontal straightening rollers arranged left and right, and a wire conveying channel is arranged between the left and right straightening rollers.

3. A numerically controlled rod making machine according to claim 1, wherein: the height of the working table plate can be adjusted; the working table plate is provided with a waste hole.

4. A numerically controlled rod making machine according to claim 3, characterized in that: the speed reducer comprises a large gear connected with the servo motor, the large gear is assembled on a connecting shaft arranged horizontally, the end part of the connecting shaft is fixedly connected with an eccentric shaft arranged horizontally, a connecting rod is sleeved on the eccentric shaft, and the connecting rod is connected with the eccentric shaft through a bearing; the lower extreme and the slider of connecting rod are connected, and the slider assembly is on vertical slide rail, and the slider is connected with the gland.

5. A numerically controlled rod making machine according to claim 1, characterized in that: the feeding mechanism comprises a plurality of groups of feeding wheel sets arranged along the wire rod conveying direction, each group of feeding wheel sets comprises an upper feeding wheel and a lower feeding wheel, and a wire rod conveying channel is arranged between the upper feeding wheel and the lower feeding wheel.

6. A numerically controlled rod making machine according to claim 1, wherein: the curling mechanism is used for bending and cutting the wire; a plurality of working positions are arranged on the base plate around the wire outlet hole, the working claws are arranged on the working positions, and the working claws are provided with processing cutter bodies.

7. A numerically controlled rod making machine according to claim 6, wherein: eight working positions are arranged on the substrate, the first working position is arranged in the 12 o' clock direction, and the second working position, the eighth working position and the fourth working position are sequentially arranged in a mode that the next working position is separated by 45 degrees clockwise from the previous working position; first to eighth working claws are correspondingly arranged on the first to eighth working positions respectively.

8. A numerically controlled rod making machine according to claim 7, wherein: a cutting-off cutter is arranged on the first working claw; the fifth working claw and the seventh working claw are provided with clamping cutters; the second, fourth, sixth and eighth working claws are all provided with a top knife.

9. A numerically controlled rod making machine according to claim 8, wherein: the end part of the clamping knife is provided with three clamping fingers which are arranged in a triangular manner; the clamping knife can rotate.

10. A numerically controlled rod making machine according to claim 1, characterized in that: in the straightening mechanism, the punching mechanism, the feeding mechanism and the curling mechanism, each mechanism is independently controlled by a motor.