CN216990130U - Tin strip cutting tool - Google Patents

Abstract

The utility model discloses tin strip cutting equipment which comprises a rack, and a feeding device, a material taking device and a cutting device which are arranged on the rack, wherein the feeding device is used for placing a tin strip; the material taking device comprises a first material pressing mechanism and a first moving mechanism, the first material pressing mechanism can form a material pressing channel, the material pressing channel comprises a first pressing surface and a second pressing surface which are parallel to each other, a tin strip drawn by the material taking device is positioned in the material pressing channel, the first material pressing mechanism can close the material pressing channel to enable the first pressing surface and the second pressing surface to be close to each other so as to press the tin strip, and the first moving mechanism is used for driving the first material pressing mechanism to move so as to enable the pressed tin strip to move to a cutting station; the cutting device is used for cutting the tin belt positioned at the cutting station. The utility model has high automation degree and the cut tin sheet has higher flatness.

Description

Tin strip cutting equipment

Technical Field

The utility model relates to the technical field of automatic equipment, in particular to tin strip cutting equipment.

Background

The surface mounting technology is widely applied to the field of electronic assembly, electronic parts can be welded to the surface of a PCB (printed Circuit Board) through the surface mounting technology, the volume of electronic products is greatly reduced, the welding material of the existing surface mounting technology mainly adopts tin paste or tin sheets, wherein the tin sheets gradually replace the tin paste to become the mainstream welding material of the surface mounting technology, the tin sheets are generally cut from a tin belt, the tin sheets are mainly cut from the tin belt through manpower at present, the method is low in efficiency, the flatness of the cut tin sheets cannot be guaranteed, the size is easy to deviate, and the welding effect can be influenced.

Therefore, it is important to design a tin strip cutting device capable of solving the above problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide tin strip cutting equipment which can cut tin sheets with high flatness and has high automation degree.

In order to achieve the aim, the utility model provides tin strip cutting equipment which comprises a rack, and a feeding device, a material taking device and a cutting device which are arranged on the rack; the feeding device is used for placing a tin strip; the material taking device comprises a first material pressing mechanism and a first moving mechanism, the first material pressing mechanism can form a material pressing channel, the material pressing channel comprises a first pressing surface and a second pressing surface which are parallel to each other, a tin ribbon drawn out of the material feeding device is located in the material pressing channel, the first material pressing mechanism can close the material pressing channel to enable the first pressing surface and the second pressing surface to be close to each other so as to press the tin ribbon, and the first moving mechanism is used for driving the first material pressing mechanism to move so as to enable the pressed tin ribbon to move to a cutting station; the cutting device is used for cutting the tin strips located at the cutting station.

Optionally, the first pressing mechanism includes a first pressing module and a second pressing module, the second pressing module includes a first carrier, a second carrier and a pressing member, the second carrier is connected to the first carrier in a vertically slidable manner, the first carrier is connected to the first moving mechanism, the pressing member is connected to the second carrier, the pressing member and the first pressing module are arranged oppositely to form the pressing channel, the material taking device further includes a second moving mechanism, the second moving mechanism is used for driving the second carrier to move up and down, and under the action of up and down movement of the second carrier, the pressing member is close to or far from the first pressing module so as to close or open the pressing channel.

Optionally, the cutting device includes a second pressing mechanism and a third pressing mechanism, and the second pressing mechanism and the third pressing mechanism are configured to press the solder ribbon and may form a height displacement difference between a solder ribbon portion located at the second pressing mechanism and a solder ribbon portion located at the third pressing mechanism to cut the solder ribbon.

Optionally, the cutting device further includes a third carrier and a third moving mechanism connected to the third carrier, the third carrier is connected to the rack in a vertically slidable manner, the second pressing mechanism includes a third pressing module and a fourth pressing module which are oppositely disposed, the fourth pressing module is movably connected to the third carrier in a vertically movable manner, a first elastic member is disposed between the bottom of the fourth pressing module and the third carrier, the third pressing mechanism includes a fifth pressing module and a sixth pressing module which are respectively connected to the third carrier, and the fifth pressing module is used for pressing a solder strip portion on the sixth pressing module;

the third moving mechanism can drive the third bearing piece to move up and down to enable the fourth pressing module to be close to or far away from the third pressing module so as to press or loosen a tin strip part between the third pressing module and the fourth pressing module;

in the process that the third bearing piece moves upwards, the third pressing module stops the fourth pressing module to compress the first elastic piece, and the tin strip part compressed by the fifth pressing module and the sixth pressing module continuously rises under the driving of the third bearing piece to cut the tin strip.

Optionally, the tin strip cutting equipment still includes drive arrangement, fifth press the material module including swingably connecting first swing piece and second swing piece on the third holds the carrier, first swing piece with the second swing piece with drive arrangement connects, first swing piece with the upper end of second swing piece extends to the top of sixth press the material module, drive arrangement can drive first swing piece with the swing of second swing piece is in order to compress tightly or loosen and be located the tin strip part of sixth press the material module.

Optionally, the first moving mechanism comprises a first cam, a second elastic member, a first sliding structure and a first transmission structure, the first material pressing mechanism is arranged on the rack in a transversely movable manner through the first sliding structure, two ends of the second elastic piece are respectively connected to the first transmission structure and the frame so as to lead the first transmission structure to have the tendency of being far away from the cutting device, the first transmission structure comprises a first moving piece, the first moving piece is convexly provided with a first sliding part, the first movable piece is connected with the first pressing mechanism, the first sliding part is abutted against the peripheral wall of the first cam, the driving device can drive the first cam to rotate, under the rotation of the first cam, the first sliding portion slides along the peripheral wall of the first cam to enable the first pressing mechanism to transversely slide to be close to or far away from the cutting device.

Optionally, the second moving mechanism includes a second transmission structure and a second sliding structure, the second transmission structure includes a second moving part, the second moving part is provided with a second sliding portion and a third sliding portion in a protruding manner, the second sliding structure is disposed on the rack, the second moving part is connected to the rack through the second sliding structure in a vertically slidable manner, the second sliding portion supports the second supporting member, the driving device includes a second cam, the third sliding portion abuts against an outer peripheral wall of the second cam, and the second cam is driven to rotate so that the third sliding portion slides along the outer peripheral wall of the second cam to drive the second moving part, the second supporting member and the supporting member to move vertically.

Optionally, the third moving mechanism includes a third transmission structure and a third sliding structure, the third bearing member passes through the third sliding structure can be connected with the frame in a vertically sliding manner, the third transmission structure includes a third moving member, a fourth sliding portion is convexly provided on the third moving member, the driving device includes a third cam, the fourth sliding portion abuts against the peripheral wall of the third cam, and the third cam is driven to rotate so that the fourth sliding portion slides along the peripheral wall of the third cam to drive the third moving member and the third bearing member to move vertically.

Optionally, the first moving mechanism further comprises a first bevel gear and a transmission shaft, and the first bevel gear and the first cam are coaxially connected through the transmission shaft; the driving device comprises a driving motor, a rotating shaft connected with the output end of the driving motor, and a second bevel gear, a second cam, a third cam, a fourth cam and a fifth cam which are arranged on the rotating shaft, wherein the second bevel gear is meshed with the first bevel gear, the peripheral wall of the second cam is abutted against the third sliding part, the peripheral wall of the third cam is abutted against the fourth sliding part, the peripheral wall of the fourth cam is connected with the lower end of the first swinging member, the peripheral wall of the fifth cam is connected with the lower end of the second swinging member, a third elastic member is connected between the first swinging member and the second swinging member, the third elastic member enables the first swinging member and the second swinging member to have a tendency of being far away from the sixth pressing module, and a fourth elastic member is arranged between the bottom of the second swinging member and the base of the rack, the fourth elastic piece enables the second movable piece to have a tendency of moving upwards;

the outer peripheral wall of the first cam includes a first portion and a second portion, a distance between the first portion and a rotation center of the first cam is smaller than a distance between the second portion and the rotation center of the first cam; the outer peripheral wall of the second cam includes a third portion and a fourth portion, and a distance between the third portion and the rotation center of the second cam is smaller than a distance between the fourth portion and the rotation center of the second cam; the outer peripheral wall of the third cam includes a fifth portion and a sixth portion, a distance between the fifth portion and the rotation center of the third cam being smaller than a distance between the sixth portion and the rotation center of the third cam; the outer peripheral wall of the fourth cam includes a seventh portion and an eighth portion, and a distance between the seventh portion and the rotation center of the fourth cam is smaller than a distance between the eighth portion and the rotation center of the fourth cam; the outer peripheral wall of the fifth cam includes a ninth portion and a tenth portion, and a distance between the ninth portion and the rotational center of the fifth cam is smaller than a distance between the tenth portion and the rotational center of the fifth cam;

when the first sliding portion abuts against the first portion, the third sliding portion abuts against the fourth portion, the fourth sliding portion abuts against the sixth portion, the lower end of the first swinging member abuts against the seventh portion, and the lower end of the second swinging member abuts against the ninth portion, the first pressing mechanism is located at a first position far away from the cutting device and enables the pressing channel to be in an open state, the second pressing mechanism presses the tin strip, and the third pressing mechanism releases the tin strip; when the driving motor drives the second cam and the third cam to rotate through the rotating shaft so that the third sliding portion slides to the third portion and the fourth sliding portion slides to the fifth portion, the pressing channel is in a closed state, and the second pressing mechanism releases the tin strip; when the first cam, the fourth cam and the fifth cam are continuously driven to rotate by the driving motor, so that the first sliding portion slides to the second portion, the lower end of the first swinging piece slides to the eighth portion from the seventh portion, and the lower end of the second swinging piece slides to the tenth portion from the ninth portion, the first pressing mechanism presses the tin strip to move to a second position close to the cutting device, and the third pressing mechanism presses the tin strip; when the driving motor continues to drive the third cam to rotate so that the fourth sliding portion slides from the fifth portion to the sixth portion, the second pressing mechanism presses the tin ribbon and forms a height displacement difference with the third pressing mechanism so as to cut the tin ribbon.

Optionally, the tin strip cutting equipment further comprises a feeding groove and a seventh pressing module, the feeding groove is concavely arranged on the rack, the feeding groove is used for conveying the tin strip drawn out from the feeding device, the seventh pressing module is rotatably connected to the rack, and the seventh pressing module is tightly attached to the tin strip on the feeding groove.

The tin strip cutting equipment comprises a first pressing mechanism capable of forming a pressing channel, wherein the pressing channel comprises a first pressing surface and a second pressing surface which are parallel to each other, when the pressing channel is closed, the first pressing surface and the second pressing surface are close to and press a tin strip drawn from a feeding device, so that the tin strip part pressed by the first pressing surface and the second pressing surface is kept in a flat state, the first moving mechanism drives the first pressing mechanism to move, the pressed tin strip is moved to a cutting station, and the cutting device cuts the tin strip into tin pieces. Therefore, the tin sheet cutting machine has high automation degree, can cut tin sheets with high flatness, and is beneficial to improving the efficiency of cutting tin strips and the yield.

Drawings

FIG. 1 is a schematic perspective view of a solder strip trimming apparatus according to an embodiment of the present invention.

FIG. 2 is a schematic perspective view of a hidden portion of a solder strip trimming apparatus according to an embodiment of the present invention.

Fig. 3 is a schematic perspective view of a material taking device and a material device according to an embodiment of the utility model.

Fig. 4 is a schematic perspective view of fig. 3 from another angle.

Fig. 5 is a schematic perspective view of fig. 3 from another angle.

Fig. 6 is an exploded view of a portion of a material extracting apparatus according to an embodiment of the utility model.

FIG. 7 is a schematic perspective view of another hidden part of the tin strip cutting apparatus according to the embodiment of the utility model.

Fig. 8 is a schematic perspective view of a cutting device according to an embodiment of the present invention.

Fig. 9 is an exploded view of the hidden portion of fig. 8.

Fig. 10 is a position relationship diagram of each cam and its matching structure according to the embodiment of the present invention.

Fig. 11 is a schematic perspective view of a hidden portion of a driving device according to an embodiment of the utility model.

Detailed Description

In order to explain technical contents and structural features of the present invention in detail, the following description is made with reference to the embodiments and the accompanying drawings.

Referring to fig. 1 to 6, the utility model provides a solder strip cutting apparatus, which includes a frame 4, and a feeding device 1, a material taking device 2 and a cutting device 3 mounted on the frame 4; the feeding device 1 is used for placing a tin strip; the material taking device 2 comprises a first material pressing mechanism 23 and a first moving mechanism 6, the first material pressing mechanism 23 can form a material pressing channel 231, the material pressing channel 231 comprises a first pressing surface 2111 and a second pressing surface 2212 which are parallel to each other, a tin ribbon drawn out from the material feeding device 1 is positioned in the material pressing channel 231, the first material pressing mechanism 23 can close the material pressing channel 231 to enable the first pressing surface 2111 and the second pressing surface 2212 to be close to compress the tin ribbon, and the first moving mechanism 6 is used for driving the first material pressing mechanism 23 to move to enable the compressed tin ribbon to move to a cutting station; the cutting device 3 is used for cutting the tin belt positioned at the cutting station.

The tin strip cutting equipment comprises a first pressing mechanism 23 which can form a pressing channel 231, wherein the pressing channel 231 comprises a first pressing surface 2111 and a second pressing surface 2212 which are parallel to each other, when the pressing channel 231 is closed, the first pressing surface 2111 and the second pressing surface 2212 are close to and press the tin strips drawn from the feeding device 1, so that the tin strip parts pressed by the first pressing surface 2111 and the second pressing surface 2212 are kept in a flat state, the first moving mechanism 6 drives the first pressing mechanism 23 to move, the pressed tin strips are moved to a cutting station, and the tin strips are cut into tin pieces by the cutting device 3. Therefore, the tin sheet cutting machine has high automation degree, can cut tin sheets with high flatness, and is beneficial to improving the efficiency of cutting tin strips and improving the yield.

Specifically, the length of the pressing channel 231 is greater than or equal to the length of the solder strip fed into the cutting device 3 by the feeding device 2 each time, so that the solder strip fed into the cutting device 3 is pressed by the first pressing mechanism 23.

Referring to fig. 2 to 6, specifically, the first pressing mechanism 23 includes a first pressing module 21 and a second pressing module 63, the second pressing module 63 includes a first carrier 222, a second carrier 223 and a pressing member 221, the second carrier 223 is slidably connected to the first carrier 222 up and down, the first carrier 222 is connected to the first moving mechanism 6, the pressing member 221 is connected to the second carrier 223, the pressing member 221 is disposed opposite to the first pressing module 21 to form a pressing channel 231, the material taking device 2 further includes a second moving mechanism 24, the second moving mechanism 24 is configured to drive the second carrier 223 to move up and down, and under the action of the up and down movement of the second carrier 223, the pressing member 221 is close to or far from the first pressing module 21 to close or open the pressing channel 231.

A groove 211 is formed on the lower bottom surface of the first pressing module 21, a protrusion 2211 capable of being embedded with the groove 211 is formed on the upper surface of the pressing piece 221, the pressing channel 231 is formed by matching the groove 211 and the protrusion 2211, the bottom wall of the groove 211 is a first pressing surface 2111, and the upper surface of the protrusion 2211 is a second pressing surface 2212; the second carrier 223 is connected to the first carrier 222 via a fourth sliding structure 227.

Referring to fig. 1, fig. 2 and fig. 8, in some embodiments, the cutting device 3 includes a second pressing mechanism 34 and a third pressing mechanism 38, and the second pressing mechanism 34 and the third pressing mechanism 38 are used for pressing the tin ribbon and making a portion of the tin ribbon located at the second pressing mechanism 34 and a portion of the tin ribbon located at the third pressing mechanism 38 form a height displacement difference to cut the tin ribbon.

Specifically, the second pressing mechanism 34 and the third pressing mechanism 38 are close to each other, and when the second pressing mechanism 34 and the third pressing mechanism 38 press the solder ribbon and form a difference in elevation displacement cut solder ribbon, a cut surface of the solder ribbon can be formed between the first pressing mechanism 23 and the second pressing mechanism 34 while the cut surface is made flat.

Referring to fig. 1, fig. 3, fig. 8 and fig. 9, in particular, the cutting device 3 further includes a third carrier 37 and a third moving mechanism 381 connected to the third carrier 37, the third carrier 37 is connected to the frame 4 in a vertically slidable manner, the second pressing mechanism 34 includes a third pressing module 31 and a fourth pressing module 33 which are disposed oppositely, the fourth pressing module 33 is connected to the third carrier 37 in a vertically movable manner, a first elastic member 332 is disposed between the bottom of the fourth pressing module 33 and the third carrier 37, the third pressing mechanism 38 includes a fifth pressing module 32 and a sixth pressing module 36 which are respectively connected to the third carrier 37, and the fifth pressing module 32 is used for pressing a tin strip portion on the sixth pressing module 36; the third moving mechanism 381 can drive the third bearing part 37 to move up and down to enable the fourth pressing module 33 to approach or depart from the third pressing module 31 so as to press or loosen the tin strip part between the third pressing module 31 and the fourth pressing module 33; in the process that the third carrier 37 moves upward, the third pressing module 31 stops the fourth pressing module 33 to compress the first elastic member 332, and the tin ribbon pressed by the fifth pressing module 32 and the sixth pressing module 36 continuously rises under the driving of the third carrier 37 to cut the tin ribbon.

Specifically, the third carrier 37 is provided with a mounting slot 333, a side wall of the mounting slot 333 is provided with a fifth sliding structure 331, the fourth pressing module 33 is connected to the side wall of the mounting slot 333 in a vertically slidable manner through the fifth sliding structure 331, and by providing the first elastic member 332 between the third carrier 37 and the fourth pressing module 33, after the third carrier 37 drives the fourth pressing module 33 to ascend and press the solder ribbon against the third pressing module 31, the third carrier 37 can still ascend by compressing the first elastic member 332 to drive the third pressing mechanism 38 to ascend and exceed the height of the second pressing mechanism 34, so that a difference in height displacement occurs between the solder ribbon portion of the second pressing mechanism 34 and the solder ribbon portion of the third pressing mechanism 38 to cut the solder ribbon.

Referring to fig. 2, 5, 10 and 11, in particular, the apparatus further includes a driving device 5, the fifth pressing module 32 includes a first swinging member 322 and a second swinging member 323 which are swingably connected to the third bearing member 37, the first swinging member 322 and the second swinging member 323 are connected to the driving device 5, upper ends of the first swinging member 322 and the second swinging member 323 extend above the sixth pressing module 36, and the driving device 5 can drive the first swinging member 322 and the second swinging member 323 to swing to press or release a tin strip portion located on the sixth pressing module 36. The first and second swinging members 322, 323 are connected to the third carrier 37, and when the third carrier 37 is lifted, the first and second swinging members 322, 323 can be lifted synchronously therewith, so that the third pressing mechanism 38 is kept in a pressed state during the lifting.

Referring to fig. 2 to 5, further, the first moving mechanism 6 includes a first cam 61, a second elastic member 66, a first sliding structure 63 and a first transmission structure, the first pressing mechanism 23 is transversely movably disposed on the frame 4 through the first sliding structure 63, two ends of the second elastic member 66 are respectively connected to the first transmission structure and the frame 4 to make the first transmission structure have a tendency of being far away from the cutting device 3, the first transmission structure includes a first moving member 65, the first moving member 65 is convexly provided with a first sliding portion 64, the first moving member 65 is connected to the first pressing mechanism 23, the first sliding portion 64 abuts against an outer peripheral wall of the first cam 61, the driving device 5 can drive the first cam 61 to rotate, under the rotation of the first cam 61, the first sliding portion 64 slides along the outer peripheral wall of the first cam 61 to slide the first pressing mechanism 23 laterally to approach or separate from the cutting device 3. Under the action of the second elastic member 66, the first sliding portion 64 can be tightly attached to the outer peripheral wall of the first cam 61 to slide when the first cam 61 rotates, and when the first sliding portion 64 slides from the proximal part to the distal part of the first cam 61, the first movable member 65 drives the first pressing mechanism 23 to move from a position far away from the cutting device 3 to a position close to the cutting device 3; when the first sliding portion 64 moves from the telecentric portion to the proximal portion of the first cam 61, the first nip mechanism 23 moves from a position close to the cutting device 3 to a position away from the cutting device 3.

Referring to fig. 2 and fig. 6, in some embodiments, the second moving mechanism 24 includes a second transmission structure and a second sliding structure 243, the second transmission structure includes a second movable member 241, the second movable member 241 is convexly provided with a second sliding portion 245 and a third sliding portion 242, the second sliding structure 243 is disposed on the frame 4, the second movable member 241 is connected to the frame 4 through the second sliding structure 243 in a vertically slidable manner, the second sliding portion 245 receives the second supporting member 223, the driving device 5 includes a second cam 56, the third sliding portion 242 abuts against an outer peripheral wall of the second cam 56, and driving the second cam 56 to rotate can enable the third sliding portion 242 to slide along the outer peripheral wall of the second cam 56 to drive the second movable member 241, the second supporting member 223 and the abutting member 221 to move up and down. The second sliding portion 245 is used for receiving the second bearing component 223, so that a large resistance force is prevented from being generated between the second bearing component 223 and the second movable component 241 when the second bearing component 223 moves transversely, and the up-and-down movement of the second movable component 241 can be transmitted to the second bearing component 223 through the second sliding portion 245, so that the second bearing component 223 moves up and down.

Referring to fig. 8 to 9, in detail, the third moving mechanism 381 includes a third transmission structure and a third sliding structure 35, the third supporting element 37 is connected to the rack 4 through the third sliding structure 35 in a vertically slidable manner, the third transmission structure includes a third movable element 39, the third movable element 39 is provided with a fourth sliding portion 38 in a protruding manner, the driving device 5 includes a third cam 57, the fourth sliding portion 38 abuts against an outer peripheral wall of the third cam 57, and the third cam 57 is driven to rotate, so that the fourth sliding portion 38 slides along an outer peripheral wall of the third cam 57 to drive the third movable element 39 and the third supporting element 37 to move vertically.

Referring to fig. 1 to 11, in some embodiments, the first moving mechanism 6 further includes a first bevel gear 63 and a transmission shaft 62, and the first bevel gear 63 is coaxially connected to the first cam 61 through the transmission shaft 62; the driving device 5 comprises a driving motor 51, a rotating shaft 52 connected with the output end of the driving motor 51, and a second bevel gear 53, a second cam 56, a third cam 57, a fourth cam 58 and a fifth cam 59 which are arranged on the rotating shaft 52, the second bevel gear 53 is engaged with the first bevel gear 63, the outer peripheral wall of the second cam 56 abuts against the third sliding portion 242, the outer peripheral wall of the third cam 57 abuts against the fourth sliding portion 38, the outer peripheral wall of the fourth cam 58 is connected with the lower end 3221 of the first swinging member 322, the outer peripheral wall of the fifth cam 59 is connected with the lower end 3231 of the second swinging member 323, a third elastic member 321 is connected between the first swinging member 322 and the second swinging member 323, the third elastic member 321 makes the first swinging member 322 and the second swinging member 323 have a tendency to move away from the sixth movable member 36, a fourth elastic member 244 is arranged between the bottom of the second movable member 241 and the base of the frame 4, and the fourth elastic member 244 makes the second movable member 241 have a tendency to move upward. Under the action of the third elastic member 321, the lower end 3221 of the first swinging member 322 can slide against the peripheral wall of the fourth cam 58 when the fourth cam 58 rotates, and the lower end 3231 of the second swinging member 323 can slide against the peripheral wall of the fifth cam 59 when the fifth cam 59 rotates; the third sliding portion 242 is slidable against the outer circumferential wall of the second cam 56 when the second cam 56 rotates by the fourth elastic member 244.

Wherein the outer peripheral wall of the first cam 61 includes a first portion 611 and a first portion 612, and a distance between the first portion 611 and the rotation center of the first cam 61 is smaller than a distance between the first portion 612 and the rotation center of the first cam 61; the outer peripheral wall of the second cam 56 includes a third portion 561 and a fourth portion 562, and the distance between the third portion 561 and the rotational center of the second cam 56 is smaller than the distance between the fourth portion 562 and the rotational center of the second cam 56; the outer peripheral wall of the third cam 57 includes a fifth portion 571 and a sixth portion 572, and a distance between the fifth portion 571 and the rotation center of the third cam 57 is smaller than a distance between the sixth portion 572 and the rotation center of the third cam 57; the outer peripheral wall of the fourth cam 58 includes a seventh section 581 and an eighth section 582, and a distance between the seventh section 581 and the rotation center of the fourth cam 58 is smaller than a distance between the eighth section 582 and the rotation center of the fourth cam 58; the outer peripheral wall of the fifth cam 59 includes a ninth portion 591 and a tenth portion 592, and the distance between the ninth portion 591 and the rotation center of the fifth cam 59 is smaller than the distance between the tenth portion 592 and the rotation center of the fifth cam 59.

When the third sliding portion 242 slides from the third portion 561 to the fourth portion 562, the second movable member 241 moves downward to compress the fourth elastic member 244, so that the second supporting member 223 and the pressing member 221 move downward to open the pressing channel 231; when the third sliding portion 242 slides from the fourth portion 562 to the third portion 561, the fourth elastic member 244 moves the second movable member 241, the second supporting member 223 and the pressing member 221 upward to close the pressing channel 231; when the fourth sliding portion 38 slides from the fifth portion 571 to the sixth portion 572, the third carrier 37 moves upward to make the fourth pressing module 33 approach the third pressing module 31 upward to press the solder ribbon, and make the second pressing module 63 and the third pressing module 31 form a height difference; when the fourth sliding portion 38 slides from the sixth portion 572 to the fifth portion 571, the third carrier 37 moves downward to move the fourth pressing module 33 downward away from the third pressing module 31 to release the solder strip; when the lower end 3221 of the first swinging member 322 slides from the seventh portion 581 to the eighth portion 582 and the lower end 3231 of the second swinging member 323 slides from the ninth portion 591 to the tenth portion 592, the first swinging member 322 and the second swinging member 323 swing in a direction approaching the sixth pressing module 36 to press the solder ribbon; when the lower end 3221 of the first swinging member 322 slides from the eighth section 582 to the seventh section 581 and the lower end 3231 of the second swinging member 323 slides from the tenth section 592 to the ninth section 591, the first and second swinging members 322, 323 swing in a direction away from the sixth nip module 36 to release the solder ribbon.

When the first sliding portion 64 abuts against the first portion 611, the third sliding portion 242 abuts against the fourth portion 562, the fourth sliding portion 38 abuts against the sixth portion 572, the lower end 3221 of the first swinging member 322 abuts against the seventh portion 581, and the lower end 3231 of the second swinging member 323 abuts against the ninth portion 591, the first pressing mechanism 23 is at the first position away from the cutting device 3, so that the pressing channel 231 is in an open state, the second pressing mechanism 34 presses the solder ribbon, and the third pressing mechanism 38 releases the solder ribbon; when the driving motor 51 drives the second cam 56 and the third cam 57 to rotate through the rotating shaft 52, so that the third sliding portion 242 slides to the third portion 561 and the fourth sliding portion 38 slides to the fifth portion 571, the pressing channel 231 is in a closed state, and the second pressing mechanism 34 releases the tin strip; when the first sliding portion 64 slides to the first portion 612, the lower end 3221 of the first swinging member 322 slides from the seventh portion 581 to the eighth portion 582, and the lower end 3231 of the second swinging member 323 slides from the ninth portion 591 to the tenth portion 592 by continuously driving the first cam 61, the fourth cam 58 and the fifth cam 59 to rotate through the driving motor 51, the first pressing mechanism 23 presses the tin ribbon to move to the second position close to the cutting device 3, and the third pressing mechanism 38 presses the tin ribbon; when the driving motor 51 continues to drive the third cam 57 to rotate, so that the fourth sliding portion 38 slides from the fifth portion 571 to the sixth portion 572, the second pressing mechanism 34 presses the solder ribbon and forms a height displacement difference with the third pressing mechanism 38 to cut the solder ribbon. After the tin ribbon is cut, the driving motor 51 drives the second cam 56 to rotate continuously to enable the third sliding portion 242 to slide from the third portion 561 to the fourth portion 562, the pressing channel 231 is opened, the second pressing mechanism 34 keeps a pressing state, then the first cam 61 is rotated again to enable the first sliding portion 64 to slide from the first portion 612 to the first portion 611, the first pressing mechanism 23 is enabled to move from the second position to the first position, and therefore the tin ribbon is conveyed into the cutting device 3 in a circulating mode and is cut.

The steps of cutting the tin strips are coordinated through the matching of the first cam 61, the second cam 56, the third cam 57, the fourth cam 58 and the fifth cam 59, and only one driving motor 51 is used as a power source, so that the structure of the device is simplified, and the volume of the device is reduced; the length of the tin ribbon conveyed into the cutting device 3 at each time can be kept consistent through the matching of the first cam 61 and the second cam 56, so that the length of the tin sheet cut at each time is kept consistent, the length of the tin ribbon conveyed into the cutting device 3 can be adjusted through adjusting the matching relation of the first cam 61 and the second cam 56, and the length of the tin ribbon conveyed into the cutting device 3 at each time is the moving distance of the second pressing mechanism 34 pressing the tin ribbon and moving to the second position.

Referring to fig. 4 and fig. 6, further, the apparatus further includes a fifth elastic member 29 and a sixth elastic member 311, wherein the fifth elastic member 29 is disposed between the first movable member 65 and the second supporting member 223, and the fifth elastic member 29 provides a downward force to the second supporting member 223, so that when the second movable member 241 and the second sliding portion 245 move downward, the second supporting member 223 abuts against the second sliding portion 245 downward under the elastic force of the fifth elastic member 29 and the gravity of the second supporting member; a sixth elastic member 311 is provided between the chassis 4 and the third carrier 37, and the sixth elastic member 311 gives a downward force to the third carrier 37 so that the fourth sliding portion 38 abuts against the outer peripheral wall of the third cam 57.

Referring to fig. 1 and 2, in some embodiments, the apparatus further includes a feeding groove 41 and a seventh pressing module 42, the feeding groove 41 is concavely disposed on the frame 4, the feeding groove 41 is used for conveying a tin ribbon drawn from the feeding device 1, the seventh pressing module 42 is rotatably connected to the frame 4, and the seventh pressing module 42 is tightly attached to the tin ribbon on the feeding groove 41. When the material taking device 2 pulls the tin ribbon, the seventh pressing module 42 can slightly rotate towards the direction far away from the feeding groove 41, and the arrangement of the seventh pressing module 42 can enable the tin ribbon entering the material taking device 2 to be flat.

Referring to fig. 1, in some embodiments, the feeding device 1 includes a connecting member 11 and a winding tray 12 rotatably connected to the connecting member 11, the connecting member 11 is connected to the frame 4, the winding tray 12 is wound with a tin ribbon to be cut, and when the material taking device 2 pulls the tin ribbon, the winding tray 12 rotates to release the tin ribbon.

Referring to fig. 2 and 11, in some embodiments, a positioning disc 54 is further disposed on the rotating shaft 52 of the driving device 5, a sensing mark 541 is disposed on the positioning disc 54, and a position sensor 541 is disposed corresponding to the positioning disc 54, where the position sensor 541 can sense a position of the sensing mark on the positioning disc 54 to determine a rotation position of each cam.

Referring to fig. 8 and 9, in some embodiments, the apparatus further includes an optical fiber sensor 7, the transmitting end and the receiving end of the optical fiber sensor 7 are respectively disposed at two sides of the frame 4, and after the tin ribbon is cut by the cutting device 3, the space between the transmitting end and the receiving end of the optical fiber sensor 7 is blocked by the cut tin ribbon, so as to sense whether there is a cut tin sheet on the sixth pressing module 36.

The first sliding structure 63, the second sliding structure 243, the third sliding structure 35, the fourth sliding structure 227 and the fifth sliding structure 331 in the present invention may all be matching structures of a sliding rail and a sliding block, and may also be other matching structures that can slide with each other, and the present invention is not limited in particular.

The above disclosure is only a preferred embodiment of the present invention, and should not be taken as limiting the scope of the utility model, so that the appended claims are intended to cover all such modifications and changes as fall within the true spirit of the utility model.

Claims (10)

1. A tin strip cutting apparatus, comprising:

the cutting device comprises a rack, and a feeding device, a material taking device and a cutting device which are arranged on the rack;

the feeding device is used for placing a tin strip;

the material taking device comprises a first material pressing mechanism and a first moving mechanism, the first material pressing mechanism can form a material pressing channel, the material pressing channel comprises a first pressing surface and a second pressing surface which are parallel to each other, a tin ribbon drawn out of the material feeding device is located in the material pressing channel, the first material pressing mechanism can close the material pressing channel to enable the first pressing surface and the second pressing surface to be close to each other so as to press the tin ribbon, and the first moving mechanism is used for driving the first material pressing mechanism to move so as to enable the pressed tin ribbon to move to a cutting station;

the cutting device is used for cutting the tin strips located at the cutting station.

2. The solder ribbon cutting apparatus according to claim 1, wherein the first pressing mechanism includes a first pressing module and a second pressing module, the second pressing module includes a first carrier, a second carrier and a pressing member, the second carrier is slidably connected to the first carrier up and down, the first carrier is connected to the first moving mechanism, the pressing member is connected to the second carrier, the pressing member is disposed opposite to the first pressing module to form the pressing channel, the material extracting apparatus further includes a second moving mechanism, the second moving mechanism is configured to drive the second carrier to move up and down, and under the effect that the second carrier moves up and down, the pressing member is close to or away from the first pressing module to close or open the pressing channel.

3. The tin ribbon cutting apparatus of claim 2, wherein the cutting device comprises a second pressing mechanism and a third pressing mechanism, and the second pressing mechanism and the third pressing mechanism are used for pressing the tin ribbon and enabling a tin ribbon portion located at the second pressing mechanism and a tin ribbon portion located at the third pressing mechanism to form a height displacement difference so as to cut the tin ribbon.

4. The tin ribbon cutting apparatus as claimed in claim 3, wherein the cutting device further includes a third carrier and a third moving mechanism connected to the third carrier, the third carrier is connected to the frame in a vertically slidable manner, the second pressing mechanism includes a third pressing module and a fourth pressing module which are oppositely disposed, the fourth pressing module is connected to the third carrier in a vertically movable manner, a first elastic member is disposed between a bottom of the fourth pressing module and the third carrier, the third pressing mechanism includes a fifth pressing module and a sixth pressing module which are respectively connected to the third carrier, and the fifth pressing module is used for pressing a tin ribbon portion on the sixth pressing module;

the third moving mechanism can drive the third bearing piece to move up and down to enable the fourth pressing module to be close to or far away from the third pressing module so as to press or loosen a tin strip part between the third pressing module and the fourth pressing module;

in the process that the third bearing piece moves upwards, the third pressing module stops the fourth pressing module to compress the first elastic piece, and the tin strip part compressed by the fifth pressing module and the sixth pressing module continuously rises under the driving of the third bearing piece to cut the tin strip.

5. The tin strip cutting apparatus of claim 4, further comprising a driving device, wherein the fifth pressing module includes a first swinging member and a second swinging member which are swingably connected to the third bearing member, the first swinging member and the second swinging member are connected to the driving device, upper ends of the first swinging member and the second swinging member extend above the sixth pressing module, and the driving device can drive the first swinging member and the second swinging member to swing to press or release a tin strip portion located at the sixth pressing module.

6. The tin strip cutting apparatus of claim 5, wherein the first moving mechanism includes a first cam, a second elastic member, a first sliding structure and a first transmission structure, the first pressing mechanism is disposed on the frame through the first sliding structure in a laterally movable manner, two ends of the second elastic member are respectively connected to the first transmission structure and the frame to enable the first transmission structure to have a tendency of being away from the cutting device, the first transmission structure includes a first moving member, the first moving member is provided with a first sliding portion in a protruding manner, the first moving member is connected to the first pressing mechanism, the first sliding portion abuts against an outer peripheral wall of the first cam, the driving device can drive the first cam to rotate, and under rotation of the first cam, the first sliding portion slides along the outer peripheral wall of the first cam to enable the first pressing mechanism to slide laterally to be close to or away from the cutting device And (4) placing.

7. The solder ribbon cutting apparatus according to claim 6, wherein the second moving mechanism includes a second transmission structure and a second sliding structure, the second transmission structure includes a second movable member, the second movable member is provided with a second sliding portion and a third sliding portion in a protruding manner, the second sliding structure is disposed on the frame, the second movable member is connected to the frame in a vertically slidable manner through the second sliding structure, the second sliding portion receives the second supporting member, the driving device includes a second cam, the third sliding portion abuts against an outer peripheral wall of the second cam, and driving the second cam to rotate enables the third sliding portion to slide along the outer peripheral wall of the second cam to drive the second movable member, the second supporting member and the pressing member to move vertically.

8. The solder strip cutting apparatus according to claim 7, wherein the third moving mechanism includes a third transmission structure and a third sliding structure, the third supporting member is connected to the frame in a vertically slidable manner through the third sliding structure, the third transmission structure includes a third moving member, the third moving member is provided with a fourth sliding portion in a protruding manner, the driving device includes a third cam, the fourth sliding portion abuts against a peripheral wall of the third cam, and the third cam is driven to rotate so that the fourth sliding portion slides along the peripheral wall of the third cam to drive the third moving member and the third supporting member to move vertically.

9. The tin strip cutting apparatus of claim 8,

the first moving mechanism further comprises a first bevel gear and a transmission shaft, and the first bevel gear is coaxially connected with the first cam through the transmission shaft; the driving device comprises a driving motor, a rotating shaft connected with the output end of the driving motor, and a second bevel gear, a second cam, a third cam, a fourth cam and a fifth cam which are arranged on the rotating shaft, wherein the second bevel gear is meshed with the first bevel gear, the peripheral wall of the fourth cam is connected with the lower end of the first swinging piece, the peripheral wall of the fifth cam is connected with the lower end of the second swinging piece, a third elastic piece is connected between the first swinging piece and the second swinging piece, the third elastic piece enables the first swinging piece and the second swinging piece to have a tendency of being far away from the sixth pressing module, a fourth elastic piece is arranged between the bottom of the second moving piece and the base of the rack, and the fourth elastic piece enables the second moving piece to have a tendency of moving upwards;

the outer peripheral wall of the first cam includes a first portion and a second portion, a distance between the first portion and a rotation center of the first cam is smaller than a distance between the second portion and the rotation center of the first cam; the outer peripheral wall of the second cam includes a third portion and a fourth portion, a distance between the third portion and the rotation center of the second cam being smaller than a distance between the fourth portion and the rotation center of the second cam; the outer peripheral wall of the third cam includes a fifth portion and a sixth portion, and a distance between the fifth portion and the rotation center of the third cam is smaller than a distance between the sixth portion and the rotation center of the third cam; the outer peripheral wall of the fourth cam includes a seventh portion and an eighth portion, a distance between the seventh portion and the rotation center of the fourth cam being smaller than a distance between the eighth portion and the rotation center of the fourth cam; the outer peripheral wall of the fifth cam includes a ninth portion and a tenth portion, and a distance between the ninth portion and the rotational center of the fifth cam is smaller than a distance between the tenth portion and the rotational center of the fifth cam;

when the first sliding portion abuts against the first portion, the third sliding portion abuts against the fourth portion, the fourth sliding portion abuts against the sixth portion, the lower end of the first swinging member abuts against the seventh portion, and the lower end of the second swinging member abuts against the ninth portion, the first pressing mechanism is located at a first position far away from the cutting device and enables the pressing channel to be in an open state, the second pressing mechanism presses the tin strip, and the third pressing mechanism releases the tin strip; when the driving motor drives the second cam and the third cam to rotate through the rotating shaft so that the third sliding portion slides to the third portion and the fourth sliding portion slides to the fifth portion, the pressing channel is in a closed state, and the second pressing mechanism releases the tin strip; when the first cam, the fourth cam and the fifth cam are continuously driven to rotate by the driving motor, so that the first sliding portion slides to the second portion, the lower end of the first swinging piece slides to the eighth portion from the seventh portion, and the lower end of the second swinging piece slides to the tenth portion from the ninth portion, the first pressing mechanism presses the tin strip to move to a second position close to the cutting device, and the third pressing mechanism presses the tin strip; when the driving motor continues to drive the third cam to rotate so that the fourth sliding portion slides from the fifth portion to the sixth portion, the second pressing mechanism presses the tin ribbon and forms a height displacement difference with the third pressing mechanism so as to cut the tin ribbon.

10. The tin strip cutting apparatus as claimed in claim 1, further comprising a feeding groove and a seventh pressing module, wherein the feeding groove is concavely disposed on the frame, the feeding groove is used for conveying the tin strip drawn from the feeding device, the seventh pressing module is rotatably connected to the frame, and the seventh pressing module is tightly attached to the tin strip on the feeding groove.

Images