阅读说明：本技术 一种双工位带状皮革冲孔机 (Double-station strip leather punching machine ) 是由 周世荣 于 2019-12-10 设计创作，主要内容包括：本发明公开了一种双工位带状皮革冲孔机,包括冲压机和压板,压板的下方设有工作台,工作台的凸台的左端固定有固定铰接座,固定铰接座上铰接有两第一短支臂,两第一短支臂的右侧设有多组左右方向线性均布的调节支臂组件,最右侧的调节支臂组件与两个第二短支臂,两根第二短支臂铰接在活动铰接座上,调节支臂组件的每根长支臂的外端铰接处套接在对应的一个芯套上,芯套内套接有伸缩杆,伸缩杆的下端固定有冲头,伸缩杆的上端固定有顶台,工作台的前侧和后侧各成型有一个平台。本发明可以一次对两条带状皮革冲出多个等间距的小孔,且可以通过调节活动铰接座的位置改变同一侧的相邻两个冲头之间的距离,有效提高了冲孔效率。(The invention discloses a double-station banded leather punching machine which comprises a punching machine and a pressing plate, wherein a workbench is arranged below the pressing plate, a fixed hinge seat is fixed at the left end of a boss of the workbench, two first short support arms are hinged to the fixed hinge seat, a plurality of groups of adjusting support arm assemblies linearly and uniformly distributed in the left-right direction are arranged on the right sides of the two first short support arms, the adjusting support arm assembly on the rightmost side and the two second short support arms are hinged to a movable hinge seat, the hinge joint of the outer end of each long support arm of each adjusting support arm assembly 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 top table is fixed at the upper end of the telescopic rod, and a platform is formed on the front side and the rear. The invention can punch a plurality of small holes with equal intervals on two strips of leather at one time, and can change the distance between two adjacent punches on the same side by adjusting the position of the movable hinged seat, thereby effectively improving the punching efficiency.)

1. The utility model provides a banded leather piercing press of duplex position, is fixed with clamp plate (12), its characterized in that including fixing punching machine (11) in the frame on the lifting slide of punching machine (11): a workbench (13) is arranged below the pressing plate (12), and the workbench (13) is fixed on the rack through support legs; a boss (131) is formed in the middle of the upper bottom surface of the workbench (13), a fixed hinged seat (14) is fixed at the left end of the boss (131), two first short support arms (15) are hinged on the fixed hinged seat (14), a plurality of groups of adjusting support arm assemblies (16) which are linearly and uniformly distributed in the left-right direction are arranged on the right sides of the two first short support arms (15), each adjusting support arm assembly (16) comprises two long support arms (161) which are arranged in a crossed mode, the middle parts of the two long support arms (161) are inserted and sleeved at the upper end of a ball head support rod (162), the lower end of the ball head support rod (162) is pressed on the boss (131), the left ends of the two long support arms (161) of the leftmost adjusting support arm assembly (16) are hinged with the outer end of the corresponding first short support arm (15), the right ends of the two long support arms (161) of the middle adjusting support arm assembly (16) are hinged with the left ends of the two long support arms (161) of the right, the left ends of two long support arms (161) of the middle adjusting support arm assembly (16) are respectively hinged with the right ends of two long support arms (161) of the left adjusting support arm assembly (16) adjacent to the middle adjusting support arm assembly, the right ends of the two long support arms (161) of the rightmost adjusting support arm assembly (16) are respectively hinged with a second short support arm (17), the other ends of the two second short support 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); the utility model discloses a punching machine, including workstation (13), recess (133), nylon board (27) have been bonded in recess (133), and the last bottom surface of last bottom surface and the last bottom surface of platform (132) of nylon board (27) flush the setting, and the middle part shaping of workstation (13) has recess (133) that run through around being used for placing the banded leather (26) that need punch a hole respectively to the front side and the rear side of workstation (13).

2. The double station belt leather punch machine of claim 1, wherein: an arc-shaped outer wall (134) is formed on each of the left side wall and the right side wall of the platform (132).

3. The double station belt leather punch machine of claim 1, wherein: hard rail grooves (135) are formed at two ends of each platform (132), a hard rail (28) matched with each hard rail groove (135) is sleeved in each hard rail groove (135), a positioning plate (29) is fixed at the upper extending end of each hard rail (28) passing through the hard rail groove (135), and the inner side edge of the belt-shaped leather (26) is pressed on the positioning plate (29); a step threaded hole (281) is formed in the hard rail (28), a second locking bolt (30) is screwed in the step threaded hole (281), and the end part of the second locking bolt (30) abuts against the bottom surface of the hard rail groove (135).

4. The double station belt leather punch machine of claim 1, wherein: 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).

5. The double station belt leather punch machine of claim 1, wherein: two ends of the boss (131) are respectively fixed with a double-rod cylinder (31), the end part of a piston rod of each double-rod cylinder (31) is fixed with a bow-shaped fastening plate (32), and two ends of each fastening plate (32) are respectively positioned right above the two strips of leather (26).

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.

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 provides a double-station strip leather punching machine which can punch a plurality of small holes with equal intervals on two strips of strip leather at one time, and can change the distance between two adjacent punching heads on the same side by adjusting the position of a movable hinge seat, thereby effectively improving the punching efficiency.

The scheme for solving the technical problems is as follows:

a double-station strip leather punching machine comprises a punching machine fixed on a rack, wherein a pressing plate is fixed on a lifting slide block of the punching machine, a workbench is arranged below the pressing plate, and the workbench is fixed on the rack through supporting legs; the middle part of the upper bottom surface of the workbench is formed with a boss, the left end of the boss is fixed with a fixed hinged seat, the fixed hinged seat is hinged with two first short support arms, the right sides of the two first short support arms are provided with a plurality of groups of adjusting support arms linearly distributed in the left-right direction, the adjusting support arms comprise two long support arms arranged in a crossed manner, the middle parts of the two long support arms are inserted and sleeved at the upper end of a ball head support rod, the lower end ball head 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 respectively 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 support arm assembly are respectively hinged with the left ends of the two long support arms of the right adjusting support arm assembly adjacent to the middle adjusting support arm assembly, the left ends of the two long support arms of the middle adjusting support arm assembly, the right ends of the 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 seat, the movable hinge seat 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; the front side and the rear side of the workbench are respectively provided with a platform for placing the belt-shaped leather required to be punched, the middle of the workbench is provided with a groove which runs through from front to back, 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.

And the left side wall and the right side wall of the platform are respectively provided with an arc-shaped outer wall.

Hard rail grooves are formed at two ends of each platform, a hard rail matched with each hard rail groove is sleeved in each hard rail groove, a positioning plate is fixed at the upper extending end of each hard rail penetrating through the hard rail groove, and the inner side edge of the belt leather is pressed on the positioning plate; 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 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.

Two ends of the boss are respectively fixed with a double-rod cylinder, the end part of a piston rod of each double-rod cylinder is fixed with a bow-shaped fastening plate, and two ends of each fastening plate are respectively positioned right above the two strips of leather.

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 change the distance between two adjacent punching heads on the same side by adjusting the position of the movable hinged seat, 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 cross-sectional view of FIG. 2 taken about A-A;

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

fig. 5 is a cross-sectional view of fig. 2 taken about C-C.

The specific implementation mode is as follows: