CN219268108U

CN219268108U - Material cutting device for material belt

Info

Publication number: CN219268108U
Application number: CN202223396360.7U
Authority: CN
Inventors: 丁金巧; 丁平进; 江民华; 瞿丹
Original assignee: Yueqing Huabao Electronics Co ltd
Current assignee: Yueqing Huabao Electronics Co ltd
Priority date: 2022-12-15
Filing date: 2022-12-15
Publication date: 2023-06-27
Anticipated expiration: 2032-12-15

Abstract

The utility model discloses a material cutting device for a material belt, which comprises a frame, wherein a winding disc for winding the material belt is rotatably arranged on the frame, material stirring holes are uniformly formed in two sides of the material belt, and a connecting belt is uniformly arranged in the middle of the material belt; the automatic feeding device comprises a frame, and is characterized by further comprising a cutting mechanism arranged on the frame, wherein the cutting mechanism comprises a lifting component, a lower die holder and an upper die holder, the lower die holder is arranged on the frame, the lifting component is connected with the lower die holder, one end, close to the lower die holder, of the upper die holder is provided with a plurality of material knives for cutting off connecting bands on the material strips, the lower die holder is provided with a plurality of abdicating knife holes corresponding to the material knives, and a blanking opening is arranged at the position, below the corresponding abdicating knife holes, of the frame. The automatic pin inserting machine can divide the material belt into two parts so as to facilitate the subsequent conveying to the automatic pin inserting machine for pin inserting working procedures, the machining efficiency is high, and the material belt can be cut on the machining site to avoid pin damage caused by the conveying and rolling processes to the greatest extent, so that the pin inserting quality is effectively ensured, and the waste and defective product quantity are reduced.

Description

Material cutting device for material belt

Technical Field

The utility model relates to the technical field of connector processing equipment, in particular to a cutting device for a connector contact pin material belt.

Background

The traditional terminal pin inserting mode adopts manual row inserting to carry out single-chip pins, namely a pin belt is inserted into a terminal, and then a material belt on the pin belt is removed. Because adopt the manual work to carry out the contact pin to the terminal and handle, misoperation appears easily, and the efficiency of work is not high, consequently appear the automatic contact pin function that the terminal automatic contact pin machine realized the terminal in the market in order to improve production efficiency, the contact pin material is general to include two parallel guide strips, a plurality of contact pins of evenly having arranged on every contact pin material strip, the contact pin on two guide strips is crisscross to be set up to link together through the connecting strip between every adjacent two contact pins. Because the existing automatic pin machine of terminal does not have the blank device of the material belt, the traditional mode is that the material belt manufacturer cuts the connecting strip on the material belt to divide the material belt into two single-row material belts, then the single-row material belts are rolled and transported to users, the material belt is easy to damage pins in the transportation and rolling process, the quality is difficult to control, waste and defective products are increased, and therefore, the design of the material belt blank device for the automatic pin machine of terminal before feeding is very necessary.

Disclosure of Invention

The utility model aims to provide a material cutting device for a material belt, which can divide the material belt into two parts so as to be convenient for being subsequently conveyed to an automatic pin inserting machine for pin inserting procedures, has high processing efficiency, and can prevent pins from being damaged due to the transportation and rolling processes to the greatest extent when the material belt is cut on a processing site, thereby effectively ensuring the pin inserting quality and reducing the waste and the number of defective products.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the material cutting device of the material belt comprises a frame, a winding disc for winding the material belt is rotatably arranged on the frame, material stirring holes are uniformly formed in two sides of the material belt, and a connecting belt is uniformly arranged in the middle of the material belt; still including setting up the blank mechanism in the frame, blank mechanism includes lifting unit, die holder and upper die base, the die holder is installed in the frame, lifting unit links to each other with the die holder, and lifting unit drive die holder moves in vertical, a plurality of material sword that are used for cutting off the connecting band on the material strip are installed to the one end that the upper die holder is close to the die holder, offer a plurality of with the corresponding sword hole of stepping down of material sword on the die holder, the frame corresponds the position of stepping down sword hole below is equipped with the feed opening.

Through adopting above-mentioned technical scheme, when the material area passes through blank mechanism, blank mechanism's lifting unit drive upper die base descends, the connecting band on the material area is pressed to break to make the material area divide into two with the connecting band on the upper die base, the connecting band drops from the hole of stepping down on the die holder and the feed opening in the frame, follow-up direct transport carries out the contact pin process to automatic contact pin machine, this blank device is not only machining efficiency high, and the material area carries out the blank in the processing scene moreover can greatly avoid because transportation and rolling process lead to the contact pin to damage, thereby effectively guarantee the contact pin quality, reduce extravagant and defective products quantity.

The utility model further provides that the lower die holder comprises a base and a die plate, wherein the base is provided with a mounting groove, the inner end of the mounting groove is provided with a lower opening communicated with the blanking opening, the die plate is detachably arranged in the mounting groove, and the abdication knife hole is formed in the die plate.

Through adopting above-mentioned technical scheme, can change corresponding template (the cutter hole of stepping down on the template of difference is different) according to the material area specification to promote the range of application of this device.

The utility model is further characterized in that two groups of positioning holes corresponding to the stirring holes are formed in the template, and positioning pins matched with the positioning holes are mounted on the upper die holder.

Through adopting above-mentioned technical scheme, when upper die base descends, the locating pin inserts in proper order and dials material hole and locating hole, when carrying out the location to the material area, the material sword presses the connecting band on the material area to break, processes accurate and quick.

The utility model further provides that the positioning needle and the material knife penetrate through the upper die holder, the upper ends of the positioning needle and the material knife are respectively provided with a first limit flange and a second limit flange, and the upper die holder is detachably provided with a pressing plate for pressing the first limit flange and the second limit flange on the upper end of the upper die holder.

Through adopting above-mentioned technical scheme, realized the dismantled and assembled function of locating needle and material sword, not only equipment is convenient, can change the material sword of corresponding specification in addition according to the material area specification to promote the range of application of this device.

The utility model is further characterized in that a plurality of guide posts are arranged on the lower die holder, and a plurality of guide holes matched with the guide posts are formed on the upper die holder.

Through adopting above-mentioned technical scheme, can promote the stability when the vertical motion of upper die base, guarantee that the material area is cut off by the accuracy, avoid the contact pin to receive the damage, promote the product percent of pass.

The lifting assembly further comprises a support, a first driving motor and an eccentric shaft, wherein the first driving motor is arranged on the support, a first bearing seat is arranged on the support, the eccentric shaft is rotatably arranged on the first bearing seat, a motor shaft of the first driving motor is connected with the eccentric shaft in a linkage manner, a transmission bearing is arranged at one end, far away from the first driving motor, of the eccentric shaft, a transmission seat is arranged on the upper die holder, and an oblong hole matched with the transmission bearing is arranged on the transmission seat.

Through adopting above-mentioned technical scheme, drive eccentric shaft rotation when first driving motor starts, drive the drive seat up-and-down motion when the eccentric shaft rotates, simultaneously owing to set up drive bearing on the eccentric shaft, consequently, the eccentric shaft cooperates and produces frictional force minimum when relative motion with the drive seat, and the transmission is steady reliable, long service life.

The utility model further provides a material stirring assembly, the material stirring assembly comprises a second driving motor, a transmission shaft and two material stirring wheels, a material stirring track is arranged on the rack, two second bearing seats are respectively arranged on two sides of the material stirring track, no transmission shaft is rotatably arranged on the two second bearing seats, one end of the transmission shaft is connected with a motor shaft of the second driving motor in a linkage manner, the two material stirring wheels are mounted on the transmission shaft in a linkage manner, material stirring teeth corresponding to the material stirring holes are arranged on the material stirring wheels, and two yielding grooves for the material stirring teeth of the corresponding material stirring wheels to stretch in are arranged at positions below the material stirring holes of the material stirring track corresponding to the material stirring belt.

Through adopting above-mentioned technical scheme, the second driving motor drives the transmission shaft and rotates, and then drives the stirring wheel and rotate, and when stirring wheel rotated, because the stirring tooth of its periphery cooperatees with the stirring hole on the material area, can drive the material area motion when stirring wheel rotates, realizes the transportation of material area.

The utility model is further characterized in that an induction disc is arranged at one end of the eccentric shaft, which is close to the first driving motor, an induction hole is formed in the induction disc, a photoelectric sensor for detecting the induction hole is arranged on the support, and the photoelectric sensor is electrically connected with the second driving motor.

Through adopting above-mentioned technical scheme, when photoelectric sensor detects the induction hole on the induction disk, second driving motor stop operation (material area stop conveying), and simultaneously the connecting band on the material area is pressed absolutely to the material sword, avoids the material area to lead to the material sword to accidentally injure the contact pin in the simultaneous movement of cutting off the process.

The utility model further provides a tensioning assembly, which comprises a third driving motor arranged on the frame, wherein a motor shaft of the third driving motor is connected with a tensioning wheel for adjusting the tensioning degree of the material belt in a linkage manner, and a plurality of guide rods for winding the material belt are arranged between the tensioning wheel and the material cutting mechanism.

Through adopting above-mentioned technical scheme, the tensioning wheel can adjust the stretch progress of material area, avoids the material area to carry and take place local arch or folding of in-process that cuts off, can guarantee that the material area can be transported smoothly and cut off.

Drawings

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

FIG. 2 is a schematic view of a partial structure of a material web;

FIG. 3 is a schematic view of a blanking mechanism according to the present utility model;

FIG. 4 is a first view partially in section of the blanking mechanism;

FIG. 5 is a second view partial cross-sectional view of the blanking mechanism;

FIG. 6 is a schematic diagram of the structure of the template of the present utility model;

FIG. 7 is a schematic view of the mounting structure of the knife and needle of the present utility model;

FIG. 8 is a schematic diagram of a material pulling assembly and a material belt according to the present utility model;

fig. 9 is a schematic structural view of a kick-out assembly according to the present utility model.

In the figure: 1. a frame; 2. a material belt; 3. a reel; 4. a stirring hole; 5. a connecting belt; 6. a blanking mechanism; 7. a lifting assembly; 8. a lower die holder; 9. an upper die holder; 10. a material knife; 11. a abdicating knife hole; 12. a feed opening; 13. a base; 14. a template; 15. a mounting groove; 16. a lower opening; 17. positioning holes; 18. a positioning needle; 19. a first limit flange; 20. a second limit flange; 21. a pressing plate; 22. a guide post; 23. a guide hole; 24. a first driving motor; 25. an eccentric shaft; 26. a first bearing seat; 27. a transmission bearing; 28. a transmission seat; 29. an oblong hole; 30. a stirring assembly; 31. a second driving motor; 32. a transmission shaft; 33. a stirring wheel; 34. a stirring rail; 35. a second bearing seat; 36. a stirring tooth; 37. a relief groove; 38. an induction plate; 39. an induction hole; 40. a photoelectric sensor; 41. a tensioning assembly; 42. a third driving motor; 43. a tensioning wheel; 44. a guide rod; 45. and (5) a support.

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.

Examples: the material cutting device of the material belt is shown in the accompanying drawings 1-9 and is used for dividing the material belt 2 into two parts, and comprises a frame 1, wherein a winding disc 3 for winding the material belt 2 is rotatably arranged on the frame 1, material stirring holes 4 are uniformly formed in two sides of the material belt 2, and a connecting belt 5 is uniformly arranged in the middle of the material belt 2; the device still includes the blank mechanism 6 of setting on frame 1, blank mechanism 6 includes lifting unit 7, die holder 8 and upper die holder 9, die holder 8 is installed on frame 1, lifting unit 7 and die holder 8, lifting unit 7 drive die holder 8 are in vertical upward movement, a plurality of material sword 10 that are used for cutting off connecting band 5 on the material area 2 are installed to the one end that upper die holder 9 is close to die holder 8, offer a plurality of with the corresponding sword hole 11 of stepping down of material sword 10 on the die holder 8, the quantity of sword hole 11 of stepping down is equivalent with material sword 10, frame 1 corresponds the position of sword hole 11 below of stepping down is equipped with feed opening 12, can set up the receiver below feed opening 12 and collect connecting band 5. When the material area 2 passes through the cutting mechanism 6, the lifting component 7 of the cutting mechanism 6 drives the upper die holder 9 to move downwards, the material knife 10 on the upper die holder 9 presses the connecting belt 5 on the material area 2 to break so that the material area 2 is divided into two parts, the connecting belt 5 falls from the yielding knife hole 11 on the lower die holder 8 and the blanking opening 12 on the frame 1, and is directly conveyed to the automatic pin inserting machine for pin inserting process.

As shown in fig. 3 to 6, the lower die holder 8 includes a base 13 and a die plate 14, the base 13 is provided with a mounting groove 15, the inner end of the mounting groove 15 is provided with a lower opening 16 communicated with the feed opening 12, the die plate 14 is detachably mounted in the mounting groove 15 through a screw, the shape of the mounting groove 15 corresponds to the die plate 14, and the abdicating knife hole 11 is formed in the die plate 14. Corresponding templates 14 (the abdicating cutter holes 11 on different templates 14 are different) can be replaced according to the specification of the material belt 2, so that the application range of the device is widened.

As shown in fig. 3 to 6, two groups of positioning holes 17 corresponding to the stirring holes 4 are formed in the template 14, and positioning pins 18 matched with the positioning holes 17 are mounted on the upper die holder 9. When the upper die holder 9 descends, the positioning needle 18 is sequentially inserted into the stirring hole 4 and the positioning hole 17, and the connecting belt 5 on the material belt 2 is broken by the material knife 10 while the material belt 2 is positioned, so that the processing is accurate and rapid.

As shown in fig. 3 to 6, the positioning needle 18 and the material knife 10 both penetrate through the upper die holder 9, a first limit flange 19 and a second limit flange 20 are respectively arranged at the upper ends of the positioning needle 18 and the material knife 10, and a pressing plate 21 for pressing the first limit flange 19 and the second limit flange 20 on the upper die holder 9 is detachably mounted on the upper die holder 9 through screws. The detachable function of the positioning needle 18 and the material knife 10 is realized by the design, so that the device is convenient to assemble, and the material knife 10 with corresponding specification can be replaced according to the specification of the material belt 2, thereby the application range of the device is improved.

As shown in fig. 3, the lower die holder 8 is provided with a plurality of guide posts 22, and the upper die holder 9 is provided with a plurality of guide holes 23 matched with the guide posts 22. This design can promote the stability when the vertical motion of upper die base 9, guarantees that material area 2 is cut off by the accuracy, avoids the contact pin to receive the damage, promotes the product percent of pass.

As shown in fig. 3, the lifting assembly 7 comprises a support 45, a first driving motor 24 and an eccentric shaft 25, the first driving motor 24 is installed on the support 45, a first bearing seat 26 is arranged on the support 45, the eccentric shaft 25 is rotatably installed on the first bearing seat 26, a motor shaft of the first driving motor 24 is connected with the eccentric shaft 25 in a linkage manner, a transmission bearing 27 is installed at one end, far away from the first driving motor 24, of the eccentric shaft 25, a transmission seat 28 is arranged on the upper die holder 9, an oblong hole 29 matched with the transmission bearing 27 is formed in the transmission seat 28, the eccentric shaft 25 comprises a main shaft part and an eccentric part, the main shaft part is coaxial with the motor shaft of the first driving motor 24, the eccentric part is not coaxial with the main shaft part, and the transmission bearing 27 is clamped on the eccentric shaft 25 part through a clamp spring. The first driving motor 24 drives the eccentric shaft 25 to rotate when being started, the eccentric shaft 25 drives the transmission seat 28 to move up and down when rotating, and meanwhile, as the transmission bearing 27 is arranged on the eccentric shaft 25, the friction force is very small when the eccentric shaft 25 is matched with the transmission seat 28 and generates relative motion, the transmission is stable and reliable, and the service life is long.

As shown in fig. 8 and 9, the device further comprises a material stirring assembly 30, the material stirring assembly 30 comprises a second driving motor 31, a transmission shaft 32 and two material stirring wheels 33, a material stirring rail 34 is arranged on the frame 1, two second bearing seats 35 are respectively arranged on two sides of the material stirring rail 34, no transmission shaft 32 is rotatably arranged on the two second bearing seats 35, one end of the transmission shaft 32 is connected with a motor shaft of the second driving motor 31 in a linkage manner, the two material stirring wheels 33 are mounted on the transmission shaft 32 in a linkage manner, material stirring teeth 36 corresponding to the material stirring holes 4 are arranged on the material stirring wheels 33, and two giving-up grooves 37 for the material stirring teeth 36 of the corresponding material stirring wheels 33 to stretch into are arranged at positions below the material stirring holes 4 of the material stirring rail 34 corresponding to the material stirring belt 2. The second driving motor 31 drives the transmission shaft 32 to rotate, and then drives the stirring wheel 33 to rotate, and when the stirring wheel 33 rotates, the stirring teeth 36 on the periphery of the stirring wheel are matched with stirring holes 4 on the material belt 2, so that the stirring wheel 33 can drive the material belt 2 to move when rotating, and the material belt 2 is transported.

As shown in fig. 3, an induction disc 38 is mounted at one end of the eccentric shaft 25 near the first driving motor 24, the induction disc 38 rotates synchronously with the eccentric shaft 25, an induction hole 39 is formed in the induction disc 38, a photoelectric sensor 40 for detecting the induction hole 39 is mounted on the support 45, and the photoelectric sensor 40 is electrically connected with the second driving motor 31. When the photoelectric sensor 40 detects the sensing hole 39 on the sensing disc 38, the second driving motor 31 stops running (the material belt 2 stops conveying), and meanwhile, the material knife 10 presses the connecting belt 5 on the material belt 2 to break, so that the situation that the material knife 10 accidentally damages a contact pin due to the simultaneous movement of the material belt 2 in a cutting process is avoided.

As shown in fig. 1, the device further comprises a tensioning assembly 41, the tensioning assembly 41 comprises a third driving motor 42 arranged on the frame 1, a tensioning wheel 43 for adjusting the tensioning degree of the material belt 2 is connected with a motor shaft of the third driving motor 42 in a linkage mode, and a plurality of guide rods 44 for winding the material belt 2 are arranged between the tensioning wheel 43 and the cutting mechanism 6. The tension wheel 43 can adjust the tension progress of the material belt 2, avoid local arching or folding in the conveying and cutting process of the material belt 2, and ensure that the material belt 2 can be transported and cut smoothly.

Claims

1. The material cutting device for the material belt comprises a frame (1), a winding disc (3) for winding the material belt (2) is rotatably arranged on the frame (1), material stirring holes (4) are uniformly formed in two sides of the material belt (2), and a connecting belt (5) is uniformly arranged in the middle of the material belt (2); the method is characterized in that: still including setting up blank mechanism (6) on frame (1), blank mechanism (6) include lifting unit (7), die holder (8) and upper die base (9), die holder (8) are installed on frame (1), lifting unit (7) link to each other with die holder (8), and lifting unit (7) drive die holder (8) are in vertical upward movement, a plurality of material sword (10) that are used for cutting connecting band (5) on material area (2) are installed to the one end that upper die base (9) are close to die holder (8), offer on die holder (8) a plurality of with cutter hole (11) of stepping down that material sword (10) correspond, frame (1) correspond the position of cutter hole (11) below is equipped with feed opening (12).

2. The strip blanking device of claim 1, wherein: the die holder (8) comprises a base (13) and a template (14), wherein a mounting groove (15) is formed in the base (13), a lower opening (16) communicated with the blanking opening (12) is formed in the inner end of the mounting groove (15), the template (14) is detachably arranged in the mounting groove (15), and the abdicating cutter hole (11) is formed in the template (14).

3. The strip blanking device of claim 2, wherein: two groups of positioning holes (17) corresponding to the stirring holes (4) are formed in the template (14), and positioning pins (18) matched with the positioning holes (17) are mounted on the upper die holder (9).

4. A strip blanking device according to claim 3, characterized in that: the positioning needle (18) and the material knife (10) penetrate through the upper die holder (9), a first limit flange (19) and a second limit flange (20) are respectively arranged at the upper ends of the positioning needle (18) and the material knife (10), and a pressing plate (21) used for pressing the first limit flange (19) and the second limit flange (20) on the upper die holder (9) is detachably arranged on the upper die holder (9).

5. The strip blanking device of claim 1, wherein: a plurality of guide posts (22) are arranged on the lower die holder (8), and a plurality of guide holes (23) matched with the guide posts (22) are formed in the upper die holder (9).

6. The strip blanking device of claim 5, wherein: lifting assembly (7) are including support (45), first driving motor (24) and eccentric shaft (25), first driving motor (24) are installed on support (45), be equipped with first bearing frame (26) on support (45), eccentric shaft (25) rotate and install on first bearing frame (26), the motor shaft of first driving motor (24) with eccentric shaft (25) linkage is connected, transmission bearing (27) are installed to one end that first driving motor (24) were kept away from to eccentric shaft (25), be equipped with drive seat (28) on upper die base (9), be equipped with on drive seat (28) with transmission bearing (27) matched with oblong hole (29).

7. The strip blanking device of claim 6, wherein: still include stirring subassembly (30), stirring subassembly (30) include second driving motor (31), transmission shaft (32) and two stirring wheels (33), be equipped with stirring track (34) on frame (1), stirring track (34) both sides are equipped with a second bearing (35) respectively, do not transmission shaft (32) rotate and set up on two second bearing (35) to the one end and the motor shaft linkage of second driving motor (31) of transmission shaft (32) are connected, and two stirring wheels (33) are installed on transmission shaft (32) in the linkage, stirring wheel (33) last be equipped with stirring tooth (36) corresponding to stirring hole (4), stirring track (34) correspond stirring hole (4) below of material area (2) the position be equipped with two and supply stirring tooth (36) of stirring wheel (33) to stretch into and give way groove (37).

8. The strip blanking device of claim 7, wherein: an induction disc (38) is arranged at one end, close to the first driving motor (24), of the eccentric shaft (25), an induction hole (39) is formed in the induction disc (38), a photoelectric sensor (40) for detecting the induction hole (39) is arranged on the support (45), and the photoelectric sensor (40) is electrically connected with the second driving motor (31).

9. The strip blanking device of claim 1, wherein: the automatic feeding device is characterized by further comprising a tensioning assembly (41), wherein the tensioning assembly (41) comprises a third driving motor (42) arranged on the frame (1), a tensioning wheel (43) for adjusting the tensioning degree of the material belt (2) is connected with a motor shaft of the third driving motor (42) in a linkage mode, and a plurality of guide rods (44) for winding the material belt (2) are arranged between the tensioning wheel (43) and the blanking mechanism (6).