阅读说明：本技术 一种闸式剪板机 (Gate type plate shearing machine ) 是由 黄伟 黄战 于 2019-09-24 设计创作，主要内容包括：本发明公开了一种闸式剪板机,涉及板材加工技术领域,包括机架,所述机架设置为斜三角结构,所述机架的顶端设置有销轴,所述销轴在机架的顶端呈水平固定,所述机架的侧边设置有台阶状的支撑底座,所述支撑底座的顶端固定安装有电动机,所述电动机的轴出轴上固定安装有曲柄杆,所述曲柄杆的顶端固定有与销轴平行的销杆；所述摆板设置为扇形结构,所述摆板的圆心位置设有铰接孔,铰接孔套接在销轴的外圆面,所述摆板的右侧端面设置有第一限位块和第二限位块。本发明通过电动机的正常转动,带动拨杆往复摆动,驱动闸刀定时落下和抬起,避免对电动机频繁起动来控制闸刀的抬起与落下,提高对电动机的保护。(The invention discloses a gate type plate shearing machine, which relates to the technical field of plate processing and comprises a rack, wherein the rack is in an inclined triangular structure, a pin shaft is arranged at the top end of the rack, the pin shaft is horizontally fixed at the top end of the rack, a step-shaped supporting base is arranged on the side edge of the rack, an electric motor is fixedly arranged at the top end of the supporting base, a crank rod is fixedly arranged on an output shaft of the electric motor, and a pin rod parallel to the pin shaft is fixed at the top end of the crank rod; the swing plate is of a fan-shaped structure, a hinge hole is formed in the circle center of the swing plate and is sleeved on the outer circular surface of the pin shaft, and a first limiting block and a second limiting block are arranged on the end face of the right side of the swing plate. The switch blade lifting device drives the deflector rod to swing back and forth through the normal rotation of the motor, drives the switch blade to fall and lift at regular time, avoids controlling the lifting and falling of the switch blade by frequently starting the motor, and improves the protection of the motor.)

1. The utility model provides a gate type plate shearing machine, includes frame (3), its characterized in that: the rack (3) is of an inclined triangular structure, a pin shaft (15) is arranged at the top end of the rack (3), the pin shaft (15) is horizontally fixed at the top end of the rack (3), a step-shaped support base (4) is arranged on the side edge of the rack (3), an electric motor (11) is fixedly installed at the top end of the support base (4), a crank rod (12) is fixedly installed on an output shaft of the electric motor (11), and a pin rod (16) parallel to the pin shaft (15) is fixed at the top end of the crank rod (12);

the swing plate (2) is of a fan-shaped structure, a hinge hole is formed in the circle center of the swing plate (2) and is sleeved on the outer circular surface of the pin shaft (15), a first limiting block (5) and a second limiting block (6) are arranged on the right side end face of the swing plate (2), the first limiting block (5) is fixed to the bottom of the right side end face of the swing plate (2), and the second limiting block (6) is fixed to the top of the right side end face of the swing plate (2);

A shifting lever (7) is mounted on the side end face of the swing plate (2), the shifting lever (7) is mounted in the middle of the first limiting block (5) and the second limiting block (6), a sleeve (8) is arranged at the bottom end of the shifting lever (7), a hinge hole is formed in the axis position of the sleeve (8), the hinge hole is hinged to the outer circular face of the pin shaft (15), a downward convex swing rod (9) is arranged on the outer circular face of the sleeve (8), a sliding hole (10) is formed in the middle of the swing rod (9), and the pin rod (16) is embedded into the sliding hole (10) in a sliding fit mode;

A knife switch (13) is installed at the bottom end of the swing plate (2), a supporting rack (1) is arranged below the knife switch (13), and a knife switch groove (101) is arranged on the top end face of the supporting rack (1).

2. the guillotine shear of claim 1, wherein: the pressing roller (14) is fixedly installed at the top end of the supporting rack (1) and positioned at two sides of the gate slot (101), the pressing roller (14) comprises a roller body (1406), a second supporting rod (1401) and a second pin rod (1402), the roller body (1406) is arranged in a cylindrical shape, the cylindrical rods (1405) are arranged at two ends of the roller body (1406), the cylindrical rods (1405) at the two ends are fixed on a roller seat (1407) in a hinged mode, and a third supporting rod (1409) is arranged at the bottom end of the roller seat (1407);

the second supporting rods (1401) are arranged to be of a square rod structure, the number of the second supporting rods (1401) is four, the second supporting rods are symmetrically distributed on two sides of the gate groove (101), the outer wall of each second supporting rod (1401) is provided with a plurality of positioning holes (1411) which are distributed at equal intervals, the top ends of the second supporting rods (1401) are provided with clamping jaws (1403), the bottom ends of the clamping jaws (1403) are provided with U-shaped grooves, the U-shaped grooves are clamped on the outer wall of the second supporting rods (1401) in a sliding fit mode, the outer wall of each clamping jaw (1403) is provided with pin holes, and the clamping jaws (1403) sequentially penetrate through the pin holes through second pin rods (1402) to be fixed with the positioning holes (;

The top end of the second support rod (1401) is provided with a connecting hole (1410), and the bottom of the connecting hole (1410) is provided with a spring groove (1404);

the bottom of third bracing piece (1409) passes connecting hole (1410) and stretches into in spring groove (1404), pressure spring (1408) is installed to the bottom bilateral symmetry of third bracing piece (1409), in the fixed spring groove (1404) in both ends of pressure spring (1408).

3. The guillotine shear according to claim 2, characterized in that: the outer wall of the roller body (1406) is provided with honeycomb columns (14061) which are distributed at equal intervals, and the honeycomb columns (14061) are arranged to be of a hexagonal prism structure.

4. The guillotine shear of claim 1, wherein: the bottom end of the swing plate (2) is provided with a sinking groove (201), the end face of the sinking groove (201) is provided with square holes which are distributed at equal intervals, and the bottom of each square hole is provided with a sliding hole (203);

the top end of the switch blade (13) is provided with a slide bar (204) matched with the slide hole (203), the top end of each slide bar (204) penetrates through the square hole to extend into the slide hole (203), and a boss is arranged at the top end of each slide bar (204) and positioned in the slide hole (203);

And a damping spring (202) is arranged on the outer wall of each sliding rod (204), and the damping spring (202) is arranged between the sinking groove (201) and the knife switch (13).

5. The guillotine shear of claim 1, wherein: the knife switch (13) comprises a knife switch seat (1301), the knife switch seat (1301) is arranged to be of a square block structure, a knife switch base (1302) of a conical structure is arranged at the bottom end of the knife switch (1301), a knife switch (1303) of a V-shaped structure is installed on the outer wall of the knife switch base (1302), a V-shaped groove is formed in the top end of the knife switch (1303), the V-shaped groove is connected to the knife switch base (1302 in a clamped mode, and locking screws (1304) are installed on the outer wall of the knife switch (1303) in an equidistant mode.

Technical Field

The invention relates to the technical field of plate processing, in particular to a gate type plate shearing machine.

Background

a traditional gate type plate shearing machine comprises a machine body, a left oil cylinder, a right oil cylinder and a tool rest, wherein the left end of the tool rest is connected to the lower end of a piston rod of the left oil cylinder, the right end of the tool rest is connected to the lower end of a piston rod of the right oil cylinder, and cylinder bodies of the left oil cylinder and the right oil cylinder are respectively fixed to the left side and the right side of the machine body. The upper end of the stud is connected with a piston rod of the oil cylinder, and the lower end of the stud penetrates into the mounting hole of the tool rest; the spherical washer and the ball bearing are respectively arranged above and below the tool rest mounting hole, the belleville spring is arranged below the ball bearing, and the nut and the locking nut are arranged below the belleville spring and fastened. The structure can realize the forward tilting and backward tilting, the left and right up and down movement of the tool rest, and complete the adjustment of the gap between the tool edge of the tool rest and the tool edge of the workbench and the adjustment of the shearing angle of the tool rest.

in the practical use of the device, the threaded connection part of the oil cylinder and the double-end stud is easy to loosen due to the reciprocating motion of the tool rest and the huge vibration in the shearing process, so that the tool rest falls off. And the double-end stud is easy to deviate from the central position when penetrating into the mounting hole of the tool rest due to machine body machining errors, so that the double-end stud is broken when the shearing angle is adjusted. And abnormal noise is generated due to the fact that the belleville spring is dead and the spherical washer and the ball bearing cannot move.

the existing gate type plate shearing machine disclosed in patent number CN201510015598.6 comprises a machine body, a material supporting mechanism and a shearing mechanism, wherein the left end of a tool rest is connected to the lower end of a piston rod of a left oil cylinder, the right end of the tool rest is connected to the lower end of a piston rod of a right oil cylinder, cylinder bodies of the left oil cylinder and the right oil cylinder are respectively fixed on the machine body, the lower ends of the piston rods of the left oil cylinder and the right oil cylinder are respectively screwed with a connecting rod through threads, the lower ends of the connecting rods are respectively provided with a connecting rod hole, and the axis of the connecting rod hole is perpendicular to the axis of the piston rod; the connecting rod holes are respectively provided with a ball bearing, the inner holes of the ball bearings are respectively provided with a sliding shaft, the lower ends of the sliding shaft, the ball bearing and the connecting rod are all positioned in the mounting hole of the tool rest, the two ends of the sliding shaft are respectively supported in the sliding holes of the sliding shaft seat, the outer end surface of the sliding shaft seat is respectively provided with a flange cover extending towards the periphery, and the flange covers are respectively connected to the tool rest. The invention description has the following beneficial effects: the device can complete the adjustment of the knife edge gap and the cutting angle of the knife rest and transfer the torque of the oil cylinder.

The gate type plate shearing machine disclosed by the patent still has some defects in practical use, and the specific defects are as follows:

firstly, the cutter utilizes the oil cylinder to transfer torque, the oil cylinder has the function of buffering and damping in the transfer process, the rigid impact force on the plate is small, the plate is difficult to be cut thoroughly, and incomplete plate cutting is easily caused frequently.

disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a gate type plate shearing machine, which solves the technical problem that incomplete shearing is easily caused to a plate in the shearing process of the plate by the existing gate type plate shearing machine.

The technical problem to be solved by the invention is realized by adopting the following technical scheme: a gate type plate shearing machine comprises a rack, wherein the rack is of an inclined triangular structure, a pin shaft is arranged at the top end of the rack, the pin shaft is horizontally fixed at the top end of the rack, a step-shaped supporting base is arranged on the side edge of the rack, an electric motor is fixedly arranged at the top end of the supporting base, a crank rod is fixedly arranged on an output shaft of the electric motor, and a pin rod parallel to the pin shaft is fixed at the top end of the crank rod;

The swing plate is of a fan-shaped structure, a hinge hole is formed in the circle center of the swing plate and is sleeved on the outer circular surface of the pin shaft, a first limiting block and a second limiting block are arranged on the right side end face of the swing plate, the first limiting block is fixed to the bottom of the right side end face of the swing plate, and the second limiting block is fixed to the top of the right side end face of the swing plate;

A shifting lever is mounted on the side end face of the swing plate and is mounted in the middle of the first limiting block and the second limiting block, a sleeve is arranged at the bottom end of the shifting lever, a hinge hole is formed in the axis position of the sleeve and is hinged to the outer circular surface of the pin shaft, a swing rod protruding downwards is arranged on the outer circular surface of the sleeve, a slide hole is formed in the middle of the swing rod, and the pin rod is embedded into the slide hole in a sliding fit mode;

The bottom of the swing plate is provided with a knife switch, a support frame is arranged below the knife switch, and a knife switch groove is arranged on the top end face of the support frame.

as a preferred technical scheme of the invention, the top end of the supporting rack and two sides of the gate slot are fixedly provided with a pressing roller, the pressing roller comprises a roller body, a second supporting rod and a second pin rod, the roller body is cylindrical, two ends of the roller body are provided with cylindrical rods, the cylindrical rods at the two ends are fixed on a roller seat in a hinged manner, and the bottom end of the roller seat is provided with a third supporting rod; the second supporting rods are arranged to be square rod structures, four second supporting rods are arranged and symmetrically distributed on two sides of the gate groove, the outer wall of each second supporting rod is provided with a plurality of positioning holes which are distributed at equal intervals, the top end of each second supporting rod is provided with a clamping jaw, the bottom end of each clamping jaw is provided with a U-shaped groove, each U-shaped groove is clamped on the outer wall of each second supporting rod in a sliding fit mode, the outer wall of each clamping jaw is provided with a pin hole, and each clamping jaw sequentially penetrates through the pin hole through a second pin rod to be fixed with the corresponding positioning hole; the top end of the second supporting rod is provided with a connecting hole, and the bottom of the connecting hole is provided with a spring groove; the bottom of the third supporting rod penetrates through the connecting hole and extends into the spring groove, compression springs are symmetrically arranged on two sides of the bottom of the third supporting rod, and two ends of each compression spring are fixed in the spring groove.

according to a preferable technical scheme of the invention, the outer wall of the roller body is provided with honeycomb columns which are distributed at equal intervals, and the honeycomb columns are in a hexagonal prism structure.

As a preferred technical scheme of the invention, the bottom end of the swing plate is provided with a sinking groove, the end surface of the sinking groove is provided with square holes distributed at equal intervals, and the bottom of each square hole is provided with a sliding hole; the top end of the switch blade is provided with a slide bar matched with the slide hole, the top end of each slide bar penetrates through the square hole and extends into the slide hole, and a boss is arranged at the top end of each slide bar and positioned in the slide hole; and a damping spring is arranged on the outer wall of each sliding rod and is arranged between the sinking groove and the knife switch.

As a preferred technical scheme of the present invention, the knife switch includes a knife switch holder, the knife switch holder is set to a square block structure, a knife switch base with a tapered structure is disposed at the bottom end of the knife switch, a knife switch body with a V-shaped structure is mounted on the outer wall of the knife switch base, a V-shaped groove is formed at the top end of the knife switch body, the V-shaped groove is clamped on the knife switch base, and locking screws are mounted on the outer wall of the knife switch at equal intervals.

Compared with the prior art, the invention at least comprises the following beneficial effects:

The swing plate with the fan-shaped structure swings through the gap between the deflector rod and the first limiting block as well as the gap between the deflector rod and the second limiting block, and freely falls downwards by the gravity of the swing plate, so that a cutter at the bottom of the swing plate can rigidly shear a sheared plate, the rigid impact on the sheared plate is improved, and the shearing thoroughness of the plate is improved.

The supporting frame is arranged below the knife switch, the knife switch groove is formed in the top end face of the supporting frame, the knife switch groove enables the bottom of the position, needing to be cut, of the plate to be suspended, when the knife switch falls down to cut the plate, the bottom of the plate is not enough in stress, the suspended plate is cut by free falling of the swing plate, the cutting thoroughness of the plate is favorably improved, incomplete plate cutting is avoided, and the cutting efficiency of the knife switch shearing machine is improved.

The motor is arranged at the bottom of the deflector rod to drive, and the deflector rod repeatedly swings between the first limiting block and the second limiting block, so that the shearing time and the stop working time of the sector plate are equal, people can conveniently master the motion rule of the gate type plate shearing machine, the speed of a user mastering the machine is accelerated, and the shearing efficiency is improved.

the driving rod is driven to swing back and forth through the normal rotation of the motor, the switch blade is driven to fall and lift at regular time, the situation that the motor is frequently started to control the lifting and falling of the switch blade is avoided, and the protection of the motor is improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a front view of the guillotine shear of the present invention;

FIG. 2 is a right side view of the guillotine shear of the present invention;

FIG. 3 is a schematic view of a portion of the compacting drum of the present invention;

FIG. 4 is an enlarged view of the knife blade of the present invention mounted on the bottom of the swing plate;

FIG. 5 is a schematic cross-sectional view of the blade of the present invention mounted on the blade base;

FIG. 6 is a schematic front view of the compaction roller according to the present invention;

Detailed Description

the embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.