阅读说明：本技术 一种结构改进的双工位带状皮革冲孔机 (Double-station strip leather punching machine with improved structure ) 是由 周世荣 于 2019-12-10 设计创作，主要内容包括：本发明公开了一种结构改进的双工位带状皮革冲孔机,包括冲压机及压板,压板的下方设有工作台,工作台上可防止两条带状皮革,每条带状皮革的上方各设有一排冲头,冲头通过压板驱动,带状皮革的左端设有调节滚轮,调节滚轮可以固定带状皮革的左端部,调节滚轮旋转则可以调节冲孔位置,带状皮革的右端设有负重装置。本发明可以一次对两条带状皮革冲出多个等间距的小孔,且可以调整在带状皮革上的冲孔位置,有效提高了冲孔效率。(The invention discloses a double-station strip leather punching machine with an improved structure, which comprises a punching machine and a pressing plate, wherein a workbench is arranged below the pressing plate, two strips of strip leather can be prevented on the workbench, a row of punching heads are respectively arranged above each strip leather and driven by the pressing plate, an adjusting roller is arranged at the left end of each strip leather, the adjusting roller can fix the left end part of each strip leather, the punching position can be adjusted by rotating the adjusting roller, and a load-bearing device is arranged at the right end of each strip leather. The invention can punch a plurality of small holes with equal intervals on two strips of leather at one time, and can adjust the punching position on the strips of leather, thereby effectively improving the punching efficiency.)

1. The utility model provides a double-station strip leather punching machine with improved structure, includes a punch (11) fixed on the frame, the lower end of a telescopic slide block of the punch (11) is fixed with a pressing plate (12), and the double-station strip leather punching machine with improved structure is characterized in that: the utility model discloses a multi-arm adjusting mechanism, including clamp plate (12), the below of clamp plate (12) is equipped with workstation (13), and the last bottom surface middle part shaping of workstation (13) has boss (131), and the left end of boss (131) is fixed with fixed articulated seat (14), and articulated on fixed articulated seat (14) have two first short support arms (15), and the right side of two first short support arms (15) is equipped with the regulation support arm subassembly (16) that multiunit linear arrangement was arranged, adjust support arm subassembly (16) including two long support arms (161) that set up alternately, the middle part of two long support arms (161) articulates the upper end at bulb bracing piece (162), and the lower extreme bulb of bulb bracing piece (162) presses on boss (131), and the left end of two long support arms (161) of leftmost regulation support arm subassembly (16) distributes and articulates with the outer end of a corresponding first short support arm (15), and the right-hand member of two long support arms (161) of middle regulation support arm subassembly (16) respectively rather than two long support arms (16) of adjacent right 161) The left ends of two long supporting arms (161) of the middle adjusting supporting arm assembly (16) are hinged with the right ends of two long supporting arms (161) of the left adjusting supporting arm assembly (16) adjacent to the middle adjusting supporting arm assembly respectively, the right ends of the two long supporting arms (161) of the rightmost adjusting supporting arm assembly (16) are hinged with a second short supporting arm (17) respectively, the other ends of the two second short supporting arms (17) are hinged on a movable hinged base (18), the movable hinged base (18) is inserted and sleeved on a sliding rail (19) arranged in the left-right direction, and the sliding rail (19) is fixed at the right end of a boss (131); the movable hinge seat (18) is in threaded connection with a locking bolt (20), and the end part of the locking bolt (20) is tightly leaned against the sliding rail (19); the hinged part of the outer end of each long support arm (161) is sleeved on a corresponding core sleeve (21), a telescopic rod (22) is sleeved in the core sleeve (21), a punch (23) is fixed at the lower end of the telescopic rod (22), a top table (24) is fixed at the upper end of the telescopic rod (22), the top table (24) is positioned below the pressing plate (12), a pressure spring (25) is arranged between each top table (24) and the upper end face of the corresponding core sleeve (21), and the pressure spring (25) is sleeved on the telescopic rod (22); a platform (132) used for placing the belt-shaped leather (26) is formed on the front side and the rear side of the workbench (13), a groove (133) penetrating through the middle of the workbench (13) in the front and the rear direction is formed in the middle of the workbench (13), a nylon plate (27) is bonded in the groove (133), and the upper bottom surface of the nylon plate (27) is flush with the upper bottom surface of the platform (132); the lower bottom surface of the workbench (13) is fixed on a T-shaped plate frame (28), the T-shaped plate frame (28) is fixedly connected with a rack, two hinged arms (29) symmetrically arranged front and back are fixed on the T-shaped plate frame (28), an adjusting roller (30) is hinged between the left ends of the two hinged arms (29), a U-shaped groove (301) with an opening at the upper side is formed on the outer wall of the left side of the adjusting roller (30), the left end of the belt-shaped leather (26) is inserted and sleeved in the U-shaped groove (301), a groove (302) is formed on the right side wall of the U-shaped groove (301), a first air cylinder (31) is fixed on the bottom surface of the groove (302), a pressing plate (32) is fixed on a piston rod of the first air cylinder (31), and the pressing plate (32) is over against the left side wall of the U-shaped groove (301); a gear groove (303) is formed in the middle of the adjusting roller (30), a half gear (33) is fixed in the gear groove (303), the half gear (33) is meshed with a driving gear (34), the driving gear (34) is fixed on a motor shaft of a servo motor (35), and the servo motor (35) is fixed on the bottom surface of the workbench (13); the right-hand member of "T" type grillage (28) is fixed with second cylinder (36), and the tip of the piston rod of second cylinder (36) presses on right angle grillage (37), and right angle grillage (37) plug bush is on guide bar (38) of two vertical settings, and guide bar (38) are fixed on "T" type grillage (28), be fixed with negative weight (39) on the lower bottom surface of right angle grillage (37), be fixed with on the riser of right angle grillage (37) two pole cylinders (40), the right-hand member extension that the piston rod of two pole cylinders (40) passed the riser of right angle grillage (37) is fixed with splint (41), and the right-hand member of banded leather (26) is arranged in between the riser of splint (41) and right angle grillage (37).

2. The structurally improved double-station belt leather punching machine according to claim 1, characterized in that: an arc-shaped outer wall (134) is formed on each of the left side wall and the right side wall of the platform (132), the arc-shaped outer wall (134) on the left side is tangent to the right side wall of the U-shaped groove (301), and the right side wall of the U-shaped groove (301) is tangent to the outer wall of the adjusting roller (30).

3. The structurally improved double-station belt leather punching machine according to claim 1, characterized in that: hard rail grooves (135) are formed at two ends of each platform (132), a hard rail (42) matched with each hard rail groove (135) is sleeved in each hard rail groove (135), two positioning plates (43) which are arranged in the front and back are fixed at the upper extending end of each hard rail (42) passing through the hard rail groove (135), and the belt-shaped leather (26) is arranged on the two positioning plates (43); step threaded holes (421) are formed in the hard rail (42), second locking bolts (44) are screwed in the step threaded holes (421), and the ends of the second locking bolts (44) abut against the bottom surface of the hard rail groove (135).

4. The structurally improved double-station belt leather punching machine as set forth in claim 3, characterized in that: the distance between the inner side walls of the two positioning plates (43) is equal to the width of the belt-shaped leather (26).

5. The structurally improved double-station belt leather punching machine according to claim 1, characterized in that: the lower end of the punch head (23) is formed with a cone part (231) and a chip hole (232) with an opening at the lower side, and the outer wall of the punch head (23) is formed with a chip outlet hole (233) communicated with the chip hole (232).

The technical field is as follows:

the invention relates to the technical field of punching machines, in particular to a double-station strip leather punching machine with an improved structure.

Background art:

at present, the common belt-shaped leather is punched by manual operation, one belt-shaped leather is punched, and the positions of the punched holes are determined by a ruler before punching, so that the punching method is low in efficiency, and the labor intensity of workers is high.

The invention content is as follows:

the invention aims to overcome the defects of the prior art and provide a double-station strip leather punching machine with an improved structure, which can punch a plurality of small holes with equal intervals on two strips of leather at one time, can adjust the punching position on the strip leather and effectively improve the punching efficiency.

The scheme for solving the technical problems is as follows:

a double-station banded leather punching machine with an improved structure comprises a punching machine fixed on a frame, wherein a pressing plate is fixed at the lower end of a telescopic sliding block of the punching machine, a workbench is arranged below the pressing plate, a boss is formed in the middle of the upper bottom surface of the workbench, a fixed hinge seat is fixed at the left end of the boss, two first short support arms are hinged on the fixed hinge seat, a plurality of groups of adjusting support arm assemblies which are linearly arranged are arranged on the right sides of the two first short support arms, each adjusting support arm assembly comprises two long support arms which are arranged in a crossed mode, the middle parts of the two long support arms are hinged at the upper end of a ball head support rod, a ball head at the lower end of the ball head support rod is pressed on the boss, the left ends of the two long support arms of the leftmost adjusting support arm assembly are hinged with the outer end of the corresponding first short support arm, the right ends of the two long support arms of the middle adjusting, the left ends of two long support arms of the middle adjusting support arm assembly are respectively hinged with the right ends of two long support arms of the left adjusting support arm assembly adjacent to the middle adjusting support arm assembly, the right ends of two long support arms of the rightmost adjusting support arm assembly are respectively hinged with a second short support arm, the other ends of the two second short support arms are hinged on a movable hinge base, the movable hinge base is inserted and sleeved on a slide rail arranged in the left-right direction, and the slide rail is fixed at the right end of the boss; the movable hinge seat is in threaded connection with a locking bolt, and the end part of the locking bolt is tightly leaned against the sliding rail; the hinged part of the outer end of each long support arm is sleeved on a corresponding core sleeve, a telescopic rod is sleeved in the core sleeve, a punch is fixed at the lower end of the telescopic rod, a jacking table is fixed at the upper end of the telescopic rod and positioned below the pressing plate, a pressure spring is arranged between each jacking table and the upper end face of the corresponding core sleeve, and the pressure spring is sleeved on the telescopic rod; a platform for placing the belt-shaped leather is formed on the front side and the rear side of the workbench respectively, a groove penetrating through the front and the rear is formed in the middle of the workbench, a nylon plate is bonded in the groove, and the upper bottom surface of the nylon plate is flush with the upper bottom surface of the platform; the lower bottom surface of the workbench is fixed on a T-shaped plate frame, the T-shaped plate frame is fixedly connected with a rack, two hinged arms which are symmetrically arranged in front and back are fixed on the T-shaped plate frame, an adjusting roller is hinged between the left ends of the two hinged arms, a U-shaped groove with an opening at the upper side is formed on the outer wall of the left side of the adjusting roller, the left end of the belt-shaped leather is inserted and sleeved in the U-shaped groove, a groove is formed on the right side wall of the U-shaped groove, a first air cylinder is fixed on the bottom surface of the groove, a pressing plate is fixed on a piston rod of the first air cylinder, and the pressing plate is over against the left side wall of; a gear groove is formed in the middle of the adjusting roller, a half gear is fixed in the gear groove, the half gear is meshed with a driving gear, the driving gear is fixed on a motor shaft of a servo motor, and the servo motor is fixed on the bottom surface of the workbench; the right-hand member of "T" type grillage is fixed with the second cylinder, and the tip of the piston rod of second cylinder presses on the right angle grillage, and right angle grillage plug bush is on the guide bar of two vertical settings, and the guide bar is fixed on "T" type grillage, be fixed with the burden pouring weight on the lower bottom surface of right angle grillage, be fixed with the two pole cylinders on the riser of right angle grillage, the right side that the piston rod of two pole cylinders passes the riser of right angle grillage is stretched out the end and is fixed with splint, and the right-hand member of banded leather is arranged in between the riser of splint and right angle grillage.

The left side wall and the right side wall of the platform are respectively provided with an arc-shaped outer wall, the arc-shaped outer wall on the left side is tangent to the right side wall of the U-shaped groove, and the right side wall of the U-shaped groove is tangent to the outer wall of the adjusting roller.

Hard rail grooves are formed at two ends of each platform, a hard rail matched with the hard rail groove is sleeved in each hard rail groove, two positioning plates which are arranged in front and back are fixed at the upper extending end of each hard rail through the hard rail groove, and the belt-shaped leather is arranged on the two positioning plates; step threaded holes are formed in the hard rail, second locking bolts are screwed in the step threaded holes, and the end portions of the second locking bolts abut against the bottom surface of the hard rail groove.

The distance between the inner side walls of the two positioning plates is equal to the width of the strip leather.

The lower end of the punch is formed with a cone part and a chip hole with an opening at the lower side, and the outer wall of the punch is formed with a chip outlet hole communicated with the chip hole.

The invention has the following outstanding effects: compared with the prior art, the punching machine can punch a plurality of small holes with equal intervals on two strips of leather at one time, and can adjust the punching position on the strips of leather, thereby effectively improving the punching efficiency.

Description of the drawings:

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the present invention;

FIG. 3 is a top view of the present invention with the punch and platen removed;

FIG. 4 is a cross-sectional view of FIG. 2 taken about A-A;

FIG. 5 is a cross-sectional view of FIG. 2 taken about B-B;

fig. 6 is a cross-sectional view of fig. 2 taken about C-C.

The specific implementation mode is as follows: