CN110340540A - A leather mobile phone back cover cutting machine with automatic loading and unloading function - Google Patents

Abstract

The invention relates to the field of mobile phone production, in particular to a leather mobile phone back cover cutting machine with automatic loading and unloading functions. The device of the present invention comprises a frame (1), a material rack (2), a traction device (4), a laser cutting device (6), a material return device (3), a punch handling device (5), a die bottom plate (7 ); the frame is mainly composed of a support frame (12) and a mounting frame (11); the material frame (2) and the traction device (4) are arranged on the support frame (12) for pulling leather; The mounting frame (11) is provided with the laser cutting device (6), the stripping device (3), the punch conveying device and the die bottom plate (7). The invention can automatically and efficiently cut the leather material, and the cut leather material can well fit the curved surface shape of the back cover of the mobile phone.

Description

A leather mobile phone back cover cutting machine with automatic loading and unloading function

technical field

The invention relates to the field of mobile phone production, in particular to a leather mobile phone back cover cutting machine with automatic loading and unloading functions.

Background technique

In the field of mobile phone production, most of the traditional mobile phone leather back covers are cut with dies. Parts of different specifications require dies of different shapes, which requires the production of a large number of dies, which increases product costs and limits the variety of designs and colors. change, and the production cycle is long, and storage is difficult. At the same time, when cutting with a knife die, a cutting gap needs to be reserved for the two cuttings before and after, which wastes a lot of materials; Mass production. However, most of the laser cutting methods currently used are plane cutting, stretching, and attaching to the back cover of the mobile phone, which is prone to problems such as edge degumming.

Contents of the invention

Aiming at the deficiencies of the prior art, the present invention provides a leather mobile phone back cover cutting machine with automatic loading and unloading functions. The device of the present invention includes a traction device, a laser cutting device, a material return device, a punch handling device, and a bottom plate of a die. The device of the present invention can automatically complete material cutting and material return without manual operation, and has a high degree of automation, It has high work efficiency, can effectively save labor costs, and the leather back cover produced can fit the curvature of the back cover of the mobile phone very well, and is not easy to tear and degumming.

In order to achieve the above purpose, the technical solution of the present invention is: a leather mobile phone back cover cutting machine with automatic loading and unloading functions, including a frame, a material rack, a traction device, a laser cutting device, a material return device, and a punch handling device 1. Die bottom plate, characterized in that: the frame includes a support frame and a mounting frame, the mounting frame is fixed on the support frame; the material frame includes an insertion frame, a material rod and a flattening rod, and the insertion frame is fixed on the feeding end of the support frame; The material bar and the flattening bar are set on the insert frame; the traction device includes the left draw bar support frame, the left drive shaft, the draw bar, the right drive shaft, the right draw bar support and the pulley drive; the left draw bar support The frame and the right drawbar support are fixed on the discharge end of the support frame, the left drawbar support and the right drawbar support are arranged in parallel, the left drive shaft is set on the left drawbar support, and the right drawbar support The right drive shaft is set, and the drawbar is fixed between the right drive shaft and the left drive shaft through the slot at the left end of the right drive shaft and the slot at the right end of the left drive shaft; the right end of the right drive shaft is connected with the pulley drive Connection; the laser cutting device includes a vertical mounting plate, a horizontal mounting plate, a sliding laser head and a ball screw drive device, the horizontal mounting plate is set between the two mounting frames; the vertical mounting plate is set on the horizontal mounting plate; the sliding laser head Installed on the vertical mounting plate, the horizontal mounting plate, the vertical mounting plate, and the sliding laser head are connected by a ball screw driving device; the unloading device includes a two-phase AC motor, a left guide rod, a gear, a rack, The material claw and the right guide rod, the left end of the ejector claw is fixed on the rack, the left end of the ejector claw is in clearance with the left guide rod, the right end of the ejector claw is in clearance with the right guide rod, and the gear and the rack are meshed with each other. The three-phase AC motor and the right guide rod are fixedly installed on the mounting frame, the output shaft of the two-phase AC motor is connected to the gear, and the claw hook is set on the ejection claw, and the claw hook passes through the groove on the bottom plate of the die; the punch handling device includes Handling truss, punch pressing block, electromagnet, right stepping motor A, right ball screw A, right coupling A, left stepping motor A, left ball screw A and left coupling A, the right stepping motor A is installed on the mounting frame, the right ball screw A is connected to the right stepping motor A through the right coupling A, the right end of the transport truss is connected to the right ball screw A, The left end of the transport truss is connected to the left ball screw A, and the left ball screw A is connected to the left stepping motor A through the left coupling A, and the lower part of the transport truss is connected to multiple punch pressing blocks through an electromagnet; The base plate of the die is set on the mounting frame, the base plate of the die is located between the material return device and the conveying device of the punch, the base plate of the die is located under the conveying device of the punch, the base plate of the die is provided with grooves corresponding to the hooks, and the die base is A die corresponding to the pressing block of the punch is arranged above the bottom plate.

According to the leather mobile phone back cover cutting machine with automatic loading and unloading function as mentioned above, it is characterized in that: the pulley transmission device includes a driven pulley, a v-belt, a driving pulley and a DC motor, and one end of the right drive shaft is connected with the driven pulley , the driving wheel and the driven wheel are connected through a v-belt, the DC motor drives the driving wheel to rotate to drive the driven wheel to rotate, and the driven wheel transmits power to the drawbar through the right drive shaft.

According to a kind of leather mobile phone back cover cutting machine with automatic loading and unloading function as mentioned above, it is characterized in that: the structure of the ball screw driving device is: the right end of the transverse mounting plate passes through the right ball screw B arranged on the mounting frame It is connected with the installation frame, the left end of the horizontal installation plate is connected with the installation frame through the left ball screw B set on the installation frame, the right ball screw B is connected with the right stepping motor B, and the left ball screw B is connected with the installation frame. It is connected with the left stepping motor B, and the right stepping motor B drives the right ball screw B to rotate; the vertical mounting plate is connected with the horizontal mounting plate through the ball screw C installed on the horizontal mounting plate, and the ball screw C Connected with the stepping motor C through the coupling C; the sliding laser head is connected with the vertical mounting plate through the ball screw D set on the vertical mounting plate, and the ball screw D is connected with the stepping motor D through the coupling D Connected, the stepper motor D drives the ball screw D to rotate.

According to the leather mobile phone back cover cutting machine with automatic loading and unloading function, it is characterized in that: guide holes are set on the transport truss.

According to a leather mobile phone back cover cutting machine with automatic loading and unloading functions as described above, it is characterized in that: the lower part of the transport truss is connected to four punch pressing blocks through electromagnets, and there are four on the bottom plate of the die that are connected to the punch pressing blocks. Corresponding die.

According to the leather mobile phone back cover cutting machine with automatic loading and unloading function as described above, it is characterized in that: the bottom plate of the concave die and the pressing block of the convex die can be replaced.

The present invention has the following advantages: 1. The cutting device in the present invention adopts a three-coordinate carbon dioxide laser cutting device, the laser head has a wide range of motion, the carbon dioxide laser can cut cortical materials well, the cutting edge quality is good, and the cutting efficiency is much higher Cutting with a knife. 2. The traction device arranged at the discharge end in the present invention can automatically draw the leather to the working area, which improves the processing efficiency. 3. The present invention is equipped with an automatic material-removing claw, which can remove the cut leather from the die, which can greatly reduce the labor intensity of workers. 4. The pressing block of the punch and the bottom plate of the die in the present invention are designed according to the shape of the curved surface of the back cover of the mobile phone, so that the processed leather can fit the back cover of the mobile phone well and avoid tearing and falling off. 5. The pressing block of the punch and the bottom plate of the die in the present invention can be replaced at any time to adapt to different shapes of the back cover of the mobile phone, which greatly saves the cost. 6. There is no need to leave a cutting gap between two cuttings, which saves materials. 7. The structure design is compact and the volume is small, which is convenient for large-scale batch production.

Description of drawings

Figure 1 is a schematic diagram of the overall structure of the present invention.

Fig. 2 is a schematic diagram of a partial structure of the present invention.

Figure 3 is a schematic diagram of the structure of the pulley drive device.

Figure 4 is a schematic diagram of the structure of the traction device.

Figure 5 is a schematic diagram of the structure of the mold handling device

Fig. 6 is a schematic diagram of the structure of the material returning device.

Explanation of reference signs: frame 1; installation frame 11; support frame 12; material rack 2; insertion frame 21; material rod 22; flattening rod 23; material return device 3; two-phase AC motor 31; ;Gear 33; Rack 34; Return claw 35; Claw hook 351; ; Right drawbar support 45; Driven wheel 46; V-belt 47; Driving wheel 48; DC motor 49; Punch handling device 5; Handling truss 51; Right ball screw A55; right coupling A56; left stepper motor A57; left coupling A58; left ball screw A59; laser cutting device 6; vertical mounting plate 61; horizontal mounting plate 62 ;Right ball screw B63; Right stepping motor B64; Left stepping motor B65; Left ball screw B66; Stepping motor D612; Ball screw D611; Sliding laser head 613; Coupling D614; Into the motor C621; ball screw C622; coupling C623; die bottom plate 7; groove 71; groove 72.

Detailed ways

The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.

As shown in Figures 1 to 3, the leather mobile phone back cover cutting machine with automatic loading and unloading functions of the present invention includes a frame 1, a material rack 2, a material return device 3, a traction device 4, a punch handling device 5, The laser cutting device 6 and the die base plate 7, the frame 1 includes a support frame 12 and a mounting frame 11, and the mounting frame 11 is fixed on the support frame 12 by means of bolt connection. The material rack 2 includes an insertion frame 21, a material rod 22 and a flattening rod 23, and the insertion frame 21 is fixed in parallel to the feeding end of the support frame 12 by means of bolt connection; the material rod 22 and the flattening rod 23 are arranged on the insertion frame 21 .

As shown in FIGS. 1 to 4 , the traction device 4 includes a left drawbar support frame 41 , a left transmission shaft 42 , a drawbar 43 , a right transmission shaft 44 , a right drawbar support 45 and a pulley transmission. The left side draw bar support frame 41 and the right side draw bar support frame 45 are fixed on the discharge end of the support frame 12 by bolts, the left side draw bar support frame 41 and the right side draw bar support frame 45 are arranged in parallel, and the left side draw bar support frame 41 The left transmission shaft 42 is arranged on the upper side, and the right transmission shaft 44 is arranged on the right drawbar bracket 45, and the drawbar 43 is fixed on the right transmission shaft through the slot at the left end of the right transmission shaft 44 and the slot at the right end of the left transmission shaft 42. Between the shaft 44 and the left side drive shaft 42; the right end of the right drive shaft 44 is connected with the belt pulley drive. The pulley transmission includes a driven pulley 46 , a v-belt 47 , a driving pulley 48 and a DC motor 49 . One end of the right transmission shaft 44 is connected with the driven wheel 46, and the driving wheel 48 is connected with the driven wheel 46 through a v-belt 47. The DC motor 49 drives the driving wheel 48 to rotate, and then drives the rotation of the draw bar 43, and the draw bar pulls the leather to The working platform realizes automatic feeding.

As shown in Figures 1 and 2, the laser cutting device 6 includes a vertical mounting plate 61, a horizontal mounting plate 62, a right ball screw B63, a right stepping motor B64, a stepping motor D612, a ball screw D611, a sliding Laser head 613, stepper motor C621 and ball screw C622. The horizontal mounting plate 62 is arranged between the two mounting frames 11; the vertical mounting plate 61 is arranged on the horizontal mounting plate 62; the sliding laser head 613 is installed on the vertical mounting plate 61, the horizontal mounting plate 62, the vertical mounting plate 61, The sliding laser heads 613 are connected by a ball screw driving device. The specific structure of the connection of the ball screw driving device is as follows: the right end of the transverse mounting plate 62 is connected with the mounting frame 11 through the right ball screw B63 arranged on the mounting frame 11, and the left end of the transverse mounting plate 62 is connected with the mounting frame 11 through the left end of the mounting frame 11. The side ball screw B66 is connected with the mounting frame 11, the right ball screw B63 is connected with the right stepping motor B64, the left ball screw B66 is connected with the left stepping motor B65, and the right stepping motor B64 drives the right The side ball screw B63 rotates, and the left stepping motor B65 drives the left ball screw B66 to rotate, and then drives the horizontal mounting plate 62 to move back and forth in the horizontal direction. The vertical mounting plate 61 is connected with the horizontal mounting plate 62 through the ball screw C622 arranged on the horizontal mounting plate 62, the ball screw C622 is connected with the stepping motor C621 through the coupling C623, and the stepping motor C621 drives the ball screw C622 Rotate, and then drive the vertical mounting plate 61 to move left and right in the horizontal direction. The sliding laser head 613 is connected with the vertical mounting plate 61 through the ball screw D611 arranged on the vertical mounting plate 61, the ball screw D611 is connected with the stepping motor D612 through the coupling D614, and the stepping motor D612 drives the ball screw The bar D611 rotates, and then drives the sliding laser head 613 to move up and down in the vertical direction, and the cutting of the leather material is realized through the movement of the sliding laser head 613 in space.

As shown in Figures 1 and 6, the ejector device 3 includes a two-phase AC motor 31, a left guide rod 32, a gear 33, a rack 34, an eject claw 35, and a right guide rod 36, and the eject claw 35 left ends pass through The screws are fixed on the rack 34, the left end of the ejection claw 35 is in clearance fit with the left guide rod 32, the right end of the ejection claw 35 is in clearance fit with the right guide rod 36, the gear 33 is meshed with the rack 34, and the two-phase AC motor 31 and the right side guide rod 36 are fixedly installed on the mounting frame 11, the output shaft of the two-phase AC motor 31 is connected with the gear 33, and the two-phase AC motor 31 drives the gear 33 to rotate, thereby driving the rack 34 and the retractor fixed on the rack 34. The material claw 35 moves, and the claw hook 351 on the material returning claw 35 passes through the groove 72 on the die base plate 7, and the leather material in the groove 71 on the die base plate 7 is released to realize the automatic material return function. The left side guide rod 32 and the right side guide rod 36 of the present invention can ensure that the ejection claw 35 moves smoothly.

As shown in Fig. 1 and Fig. 5, the punch conveying device 5 of the present invention includes a conveying truss 51, a punch pressing block 52, an electromagnet 53, a stepping motor A54 on the right side, a ball screw A55 on the right side, and a coupling on the right side. A56, left stepping motor A57, left ball screw A59 and left coupling A58, right stepping motor A54 is installed on the mounting frame 11, right ball screw A55 is connected with the right coupling 56 The right stepping motor A54 is connected, the right end of the transport truss 51 is connected with the right ball screw A55, the left end of the transport truss 51 is connected with the left ball screw A59, and the left ball screw A59 passes through the left coupling A58 is connected with the stepping motor A57 on the left side, and the lower part of the conveying truss 51 is connected with a plurality of punch pressing blocks 52 through an electromagnet 53 . Guide holes are preferably provided on the transport truss 51 for the positioning of the pressing block 52 of the punch. When working, the left stepping motor A57 drives the left ball screw A59 to rotate through the left coupling A58, and the right stepping motor A54 drives the right ball screw A55 to rotate through the right coupling A56, thereby driving the handling The truss 51 moves back and forth. When the transport truss 51 moves to the groove 71 of the die bottom plate 7, the electromagnet 53 loses power, and the punch pressing block 52 falls to compress the leather. After the laser cutting device 6 finishes cutting, the left step The motor A57 drives the left ball screw A59 to rotate through the left coupling 58, and the right stepping motor A54 drives the right ball screw A55 to rotate through the right coupling 56, thereby driving the transport truss 51 to move forward and backward. When the transport truss 51 moves to the groove 71 of the die bottom plate 7, the electromagnet 53 is energized, the punch pressing block 52 is sucked up, and the transport truss 51 is driven back to Near the end of traction device 4.

As shown in FIGS. 5 and 6 , the die base plate 7 is arranged on the mounting frame 11 , the die base plate 7 is located between the stripping device 3 and the punch transfer device 5 , and the die base plate 7 is located below the punch transfer device 5 . Die bottom plate 7 is provided with groove 72 corresponding to claw hook 351, is convenient to push out the leather material in the groove 71 on the die bottom plate 7. The die base plate 7 top is provided with the die corresponding to the punch briquetting block 52, the quantity of the punch briquetting block 52 is four among the present invention, then the groove 71 that is opened on the die base plate 7 is also four, the die base plate 7 and punch pressing block 52 can be replaced according to different mobile phone curved surfaces.

As shown in Fig. 1 to Fig. 6, the working process of the present invention is: first leather material roll is placed on material rod 22, then allows leather material to pass under flattening rod 23, passes punch handling device 5 and die Between the bottom plates 7, it is fixed on the hook of the drawbar 43, and the pulley drives the drawbar 43 to rotate, thereby realizing automatic loading. After the loading is completed, the left stepper motor A58 and the right stepper motor A54 drive the transport truss 51 Move, when the transport truss 51 moves to the groove 71 of the die bottom plate 7, the electromagnet 53 loses power, the punch pressing block 52 falls to compress the leather, the transport truss 51 returns to the initial position, and the laser cutting device 6 starts to work. The leather is cut, and after the leather is cut, the left stepper motor A58 and the right stepper motor A54 drive the transport truss 51 to move. When the transport truss 51 moves to the groove 71 of the die base plate 7, the electromagnet 53 Powered, the punch pressing block 52 is sucked up, and then the left stepper motor A58 and the right stepper motor A54 drive the transport truss 51 to move to one end close to the traction device 4. After the transport truss 51 is moved, the two-phase AC motor 31 Drive the movement of the material return claw 35, the material return claw 35 is inserted into the groove 72 opened on the die bottom plate 7 through the claw hook 351, and the cut leather is pushed out from the groove 71 on the die bottom plate 7, and the left side is guided Rod 32 and right side guide rod 36 guarantee the stability of the reciprocating movement of material ejection claw 35. Finish belt pulley after returning material and continue to drive draw bar 43 and rotate traction leather material, carry out next cutting.

Claims (6)

1. a kind of cortex cell phone rear cover material cutting machine with automatic loading/unloading function, including rack (1), material frame (2), traction device (4), laser cutting device (6), discharging device (3), punch-pin handling device (5), cavity plate bottom plate (7), it is characterised in that: rack It (1) include support frame (12) and mounting rack (11), mounting rack (11) is fixed on support frame (12)；Expect that frame (2) include insert rack (21), expect bar (22) and flattening bar (23), insert rack (21) is fixed on the feed end of support frame (12)；Expect bar (22), flattening bar (23) it is arranged on insert rack (21)；Traction device (4) includes left side draw bar support (41), left side drive shafts (42), traction Bar (43), right side transmission shaft (44), right side draw bar bracket (45) and pulley gear；Left side draw bar support (41) The discharge end of support frame (12), left side draw bar support (41) and right side draw bar are fixed on right side draw bar bracket (45) Bracket (45) is arranged in parallel, and left side drive shafts (42) is arranged on left side draw bar support (41), right side draw bar bracket (45) Transmission shaft (44) on the right side of upper setting, draw bar (43) are right by the slot and left side drive shafts (42) of right side transmission shaft (44) left end The slot at end is fixed between right side transmission shaft (44) and left side drive shafts (42)；Right side transmission shaft (44) right end and belt pulley pass Dynamic device is connected；Laser cutting device (6) includes vertical mounting plate (61), is transversely mounted plate (62), sliding laser head (613) And ball screw driving device, it is transversely mounted plate (62) and is arranged between two mounting racks (11)；Vertical mounting plate (61) setting exists It is transversely mounted on plate (62)；Sliding laser head (613) is mounted on vertical mounting plate (61), is transversely mounted plate (62), vertical peace It is connected between loading board (61), sliding laser head (613) by ball screw driving device；Discharging device (3) includes two-phase alternating current Motor (31), left side guide rod (32), gear (33), rack gear (34), material returned pawl (35) and right side guide rod (36), material returned pawl (35) left end is fixed on rack gear (34), material returned pawl (35) left end and left side guide rod (32) clearance fit, and material returned pawl (35) is right End and right side guide rod (36) clearance fit, gear (33) and rack gear (34) are intermeshed, two-phase alternating current motor (31) and right side Guide rod (36) is fixedly mounted on mounting rack (11), and two-phase alternating current motor (31) output shaft is connect with gear (33), material returned pawl (35) pawl hooks (351) are set on, pawl hooks (351) pass through the groove (72) on cavity plate bottom plate (7)；Punch-pin handling device (5) includes Carry truss (51), punch-pin briquetting (52), electromagnet (53), right side stepper motor A (54), right side ball-screw A (55), right side Shaft coupling A (56), left side stepper motor A (57), left side ball-screw A (59) and left side shaft coupling A (58), right side stepper motor A (54) is mounted on mounting rack (11), and right side ball-screw A (55) passes through right side shaft coupling A (56) and right side stepper motor A (54) it is connected, the right end for carrying truss (51) is connected with right side ball-screw A (55), carries the left end and left side of truss (51) Ball-screw A (59) is connected, and left side ball-screw A (59) passes through left side shaft coupling A (58) and left side stepper motor A (57) phase Even, it carries truss (51) lower part and connects multiple punch-pin briquettings (52) by electromagnet (53)；Cavity plate bottom plate (7) is arranged in mounting rack (11) on, cavity plate bottom plate (7) is located between discharging device (3) and punch-pin handling device (5), and cavity plate bottom plate (7) is removed positioned at punch-pin Below shipping unit (5), it is provided with groove (72) corresponding with pawl hooks (351) on cavity plate bottom plate (7), is set above cavity plate bottom plate (7) Set cavity plate corresponding with punch-pin briquetting (52).

2. a kind of cortex cell phone rear cover material cutting machine with automatic loading/unloading function according to claim 1, feature exist In: pulley gear includes driven wheel (46), v band (47), driving wheel (48) and direct current generator (49), right side transmission shaft (44) one end is connected with driven wheel (46), and driving wheel (48) is connect with driven wheel (46) by v band (47), and direct current generator (49) is logical Drive driving wheel (48) rotation is crossed to drive the rotation of driven wheel (46), driven wheel (46) will be moved by right side transmission shaft (44) Power is transferred to draw bar (43).

3. a kind of cortex cell phone rear cover material cutting machine with automatic loading/unloading function according to claim 1, feature exist In: ball screw driving device structure are as follows: be transversely mounted right side ball of plate (62) right end by setting on mounting rack (11) Lead screw B (63) is connected with mounting rack (11), is transversely mounted plate (62) left end and is rolled by the left side being arranged on mounting rack (11) Ballscrew B (66) is connected with mounting rack (11), and right side ball-screw B (63) is connected with right side stepper motor B (64), left side rolling Ballscrew B (66) is connected with left side stepper motor B (65), and right side stepper motor B (64) drives right side ball-screw B (63) to turn It is dynamic；Vertical mounting plate (61) is connected by the way that ball-screw C (622) is arranged on being transversely mounted plate (62) with plate (62) is transversely mounted It connects, ball-screw C (622) is connected by shaft coupling C (623) with stepper motor C (621)；Sliding laser head (613) passes through setting Ball-screw D (611) on vertical mounting plate (61) is connected with vertical mounting plate (61), and ball-screw D (611) passes through connection Axis device D (614) is connected with stepper motor D (612), and stepper motor D (612) drives ball-screw D (611) rotation.

4. a kind of cortex cell phone rear cover material cutting machine with automatic loading/unloading function according to claim 1, feature exist In: it carries and pilot hole is set on truss (51).

5. a kind of cortex cell phone rear cover material cutting machine with automatic loading/unloading function according to claim 1, feature exist In: carry truss (51) lower part by electromagnet (53) and connect four punch-pin briquettings (52), on cavity plate bottom plate (7) tool there are four with The corresponding cavity plate of punch-pin briquetting (52).

6. a kind of cortex cell phone rear cover material cutting machine with automatic loading/unloading function according to claim 1, feature exist In: cavity plate bottom plate (7) and punch-pin briquetting (52) are replaceable.