CN115889506A

CN115889506A - Push down plastic equipment

Info

Publication number: CN115889506A
Application number: CN202211475747.3A
Authority: CN
Inventors: 商复生; 杨理智; 许栩达; 李建湘; 李信
Original assignee: Guangdong Hoshion Industrial Aluminium Co ltd
Current assignee: Guangdong Hoshion Industrial Aluminium Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-04-04

Abstract

The invention discloses a push-down shaping device, which comprises: the device comprises a rack, wherein an objective table is arranged on the rack; the fixing mechanism is arranged on the rack or the objective table and is used for positioning and fixing the end part of the curled workpiece on the rack or the objective table; the sliding frame is arranged on the rack in a sliding mode along the direction parallel to the objective table; the jacking component is movably arranged on the sliding frame and can jack the curled workpiece on the objective table; and the linear driving mechanism is connected with the sliding frame and is used for driving the sliding frame to slide in a reciprocating manner so as to enable the jacking component to flatten the workpiece on the objective table. The end part of the workpiece is fixed on the rack or the objective table through the fixing mechanism, one end of the workpiece close to the fixing mechanism is jacked on the objective table through the jacking assembly, the jacking assembly is driven by the linear driving mechanism to reciprocate in the direction parallel to the objective table, so that the curled workpiece is gradually and flatly attached to the objective table, the workpiece is shaped into a flattening state with high flatness, and the workpiece is not easy to damage.

Description

Push down plastic equipment

Technical Field

The invention relates to the technical field of workpiece shaping, in particular to a pressing shaping device.

Background

In the related art, referring to fig. 4, since the extruder 20 is limited by the size of the caliber of the output channel, when the size of the cross section of the workpiece 10 to be extruded in a certain direction is larger than the diameter of the output channel, the workpiece 10 can only be extruded in a curled shape, and therefore, the curled workpiece 10 needs to be flattened later. The curled workpiece 10 cannot be completely flattened by a common flattening method, and some workpieces 10 are not plates with uniform thickness, for example, direct flattening easily causes the shape of the shaped workpiece 10 to be not in accordance with the requirement.

In addition, when the external force applied to the workpiece 10 is removed, the reshaped workpiece 10 may rebound to some extent due to its elastic recovery, and this problem cannot be solved by using a common reshaping apparatus.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the pressing shaping equipment which can flatten the workpiece to a higher flatness and is not easy to damage the workpiece.

A push-down shaping device according to an embodiment of the present invention includes: the device comprises a rack, wherein an object stage is arranged on the rack; the fixing mechanism is arranged on the rack or the objective table and is used for positioning and fixing the end part of the curled workpiece on the rack or the objective table; the sliding frame is arranged on the rack in a sliding mode along the direction parallel to the objective table; the jacking component is movably arranged on the sliding frame and can jack the curled workpiece on the objective table; and the linear driving mechanism is connected with the sliding frame and is used for driving the sliding frame to slide in a reciprocating manner, so that the jacking assembly flattens the workpiece on the objective table.

The push-down shaping device provided by the embodiment of the invention at least has the following beneficial effects:

when a curled workpiece needs to be flattened, the end part of the curled workpiece is fixed on a rack or an objective table through a fixing mechanism, then one end of the workpiece close to the fixing mechanism is pressed on the objective table through a pressing component, and the pressing component on the sliding frame is driven by the linear driving mechanism to move in a reciprocating mode along the direction parallel to the objective table, so that the curled workpiece is gradually and flatly attached to the objective table, and the workpiece is shaped into a flattened state; the workpiece can be flattened to a higher flatness through the pressing shaping equipment with the structure, and the workpiece is not easy to damage.

In some embodiments of the present invention, the pressing assembly includes a lower swing arm rotatably disposed on the sliding frame, a lower pressing roller rotatably disposed at a free end of the lower swing arm, and a driving mechanism for driving the lower swing arm to rotate.

In some embodiments of the invention, one end of the lower swing arm, which is far away from the lower press roll, is rotatably arranged on the sliding frame through a rotating shaft member, the driving mechanism comprises a piston cylinder and a connecting rod, a cylinder body of the piston cylinder is rotatably arranged on the sliding frame, a rod part of the piston cylinder is rotatably connected with one end of the connecting rod, and the other end of the connecting rod is fixedly connected with the rotating shaft member.

In some embodiments of the present invention, the fixing mechanism includes a pressing member, a pressing arm, and a linear actuator, the pressing member is disposed along a width direction of the stage and configured to press an end portion of the workpiece downward, a middle portion of the pressing arm is disposed on the frame, one end of the pressing arm is rotatably connected to the pressing member, and the other end of the pressing arm is rotatably connected to an output end of the linear actuator.

In some embodiments of the present invention, the sliding frame is provided with an elongated member disposed along a sliding direction thereof, and the upper portion of the lower pressing member is provided with a limit plane corresponding to the elongated member, and the elongated member always abuts downward against the limit plane to prevent the lower pressing member from moving upward relative to the stage during the reciprocating sliding of the sliding frame.

In some embodiments of the present invention, the upper surface of the stage is provided with a first positioning groove for positioning an end of the fixed workpiece, and the first positioning groove is disposed opposite to the lower pressing member.

In some embodiments of the invention, the stage comprises an elastically deformable receiving plate, and an adjusting mechanism for adjusting the curvature of the receiving plate is arranged between the receiving plate and the frame.

In some embodiments of the invention, the adjusting mechanism comprises a plurality of screw assemblies connected between the bearing plate and the frame, and the length of each screw assembly is adjustable so that the part of the bearing plate connected with the corresponding screw assembly is close to or far away from the frame.

In some embodiments of the present invention, the lower portion of the bearing plate is erected with a plurality of support beams spaced apart from each other in a front-rear direction of the object stage, a length direction of the support beams extends along a width direction of the bearing plate, and a plurality of connecting ribs connected between a bottom of the bearing plate and the support beams are spaced apart from each other along a length direction of the support beams.

In some embodiments of the present invention, a guide rail extending along a front-rear direction of the object stage is disposed on the frame, a slider slidably disposed on the guide rail is disposed on the sliding frame, the linear driving mechanism includes an oil hydraulic cylinder fixed to the frame and located below the sliding frame, a connecting bracket extending downward is disposed at a bottom of the sliding frame, and the connecting bracket is fixedly connected to a push rod of the oil hydraulic cylinder.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic diagram of a push-down shaper in accordance with an embodiment of the present invention;

FIG. 2 is a schematic diagram of the fixing mechanism, the pressing assembly and the sliding frame of the embodiment of FIG. 1;

FIG. 3 is a schematic diagram of the structure of the stage, adjustment mechanism and hold-down member of the embodiment of FIG. 1;

FIG. 4 is a schematic view of an extruder extruding a curled workpiece.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the positional or orientational descriptions referred to, for example, the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are based on the positional or orientational relationships shown in the drawings and are for convenience of description and simplicity of description only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 3, a push-down shaper of the present invention includes: a rack 100, wherein an object stage 200 is arranged on the rack 100; a fixing mechanism 300 provided in the rack 100 or the stage 200, for fixing and positioning an end of the curled workpiece 10 on the rack 100 or the stage 200; a sliding frame 400, which is arranged on the frame 100 in a sliding way along the direction parallel to the object stage 200; the jacking component is movably arranged on the sliding frame 400 and can jack the curled workpiece 10 on the objective table 200; and a linear driving mechanism 700 connected to the sliding frame 400 for driving the sliding frame 400 to slide back and forth, so that the pressing member can flatten the workpiece 10 on the stage 200.

When the curled workpiece 10 needs to be flattened, the end part of the curled workpiece 10 is fixed on the rack 100 or the object stage 200 through the fixing mechanism 300, then one end of the workpiece 10 close to the fixing mechanism 300 is pressed on the object stage 200 through the pressing component, the pressing component on the sliding frame 400 is driven by the linear driving mechanism 700 to move in a reciprocating manner along the direction parallel to the object stage 200, so that the curled workpiece 10 is gradually and flatly attached to the object stage 200, and the workpiece 10 is shaped into a flattened state; the press-down shaping device with the above structure can flatten the workpiece 10 to a high flatness, and the workpiece 10 is not easily damaged.

Referring to fig. 1 and 2, in some embodiments of the present invention, the pressing assembly includes a lower swing arm 510 rotatably disposed on the carriage 400, a lower pressing roller 520 rotatably disposed at a free end of the lower swing arm 510, and a driving mechanism 530 for driving the lower swing arm 510 to rotate. It is understood that the driving mechanism 530 can drive the lower pressing roller 520 to swing downwards to press a part of the workpiece 10 against the stage 200 when the driving mechanism 530 drives the lower swing arm 510 to rotate, or can drive the lower pressing roller 520 to swing upwards to take out the shaped workpiece 10 when the driving mechanism 530 drives the lower swing arm 510 to rotate. The jacking assembly is simple in structure and convenient to operate.

Referring to fig. 1 and 2, in some embodiments of the present invention, one end of the lower swing arm 510 away from the lower press roller 520 is rotatably disposed on the sliding frame 400 by a rotating shaft member 533, the driving mechanism 530 includes a piston cylinder 531 and a connecting rod 532, a cylinder body of the piston cylinder 531 is rotatably disposed on the sliding frame 400, a rod portion of the piston cylinder 531 is rotatably connected to one end of the connecting rod 532, and the other end of the connecting rod 532 is fixedly connected to the rotating shaft member 533. It should be noted that when the rod portion of the piston cylinder 531 is extended, the cylinder body of the piston cylinder 531 is rotated at a certain angle with respect to the carriage 400, the link 532 and the lower swing arm 510 as a whole are rotated in the axial direction of the rotating shaft member 533, and the lower press roller 520 of the lower swing arm 510 is swung downward to be pressed against the workpiece 10. The distance between the rod part of the piston cylinder 531 and the axis of the rotating shaft member 533 is greater than the distance between the axis of the lower press roller 520 and the axis of the rotating shaft member 533, so that the upper press assembly forms a labor-saving lever structure, and the piston cylinder 531 can enable the lower press roller 520 to stably press the surface of the workpiece 10 only by providing a small pushing force, so as to ensure the effect of flattening the workpiece 10.

Referring to fig. 1 and 2, in some embodiments of the present invention, the fixing mechanism 300 includes a lower pressing member 310, a lower pressing arm 320, and a linear actuator 330, the lower pressing member 310 is disposed along a width direction of the stage 200 and is configured to press an end portion of the workpiece 10 downward, a middle portion of the lower pressing arm 320 is disposed on the frame 100, one end of the lower pressing arm 320 is rotatably connected to the lower pressing member 310, and the other end of the lower pressing arm 320 is rotatably connected to an output end of the linear actuator 330. It can be understood that when the linear actuator 330 drives one end of the pressing arm 320 far away from the pressing member 310 to swing upward, the other end of the pressing arm 320 swings downward, and the pressing member 310 presses the workpiece 10. The arrangement of the pressing members 310 along the width direction of the stage 200 can press the width direction of the workpiece 10 at various positions, ensuring a fixing effect on the end portions of the workpiece 10.

Referring to fig. 2, in some embodiments of the present invention, the sliding frame 400 is provided with an elongated member 410 disposed along the sliding direction thereof, and the upper portion of the lower member 310 is provided with a limit plane 311 corresponding to the elongated member 410, and the elongated member 410 is always pressed downward against the limit plane 311 during the reciprocating sliding of the sliding frame 400 to prevent the lower member 310 from moving upward relative to the stage 200. It should be noted that the sliding direction of the sliding frame 400 is a motion direction for flattening the workpiece 10, and in the process of the reciprocating sliding of the sliding frame 400, the long strip 410 always abuts against the limiting plane 311 downward, so as to have a locking effect on the lower pressing member 310, avoid the situation that the lower pressing member 310 fails to press the workpiece 10 due to the failure of the linear driver 330 or other reasons, and improve the stability of the quality of shaping the workpiece 10.

Referring to fig. 3, in some embodiments of the present invention, the upper surface of the stage 200 is provided with a first positioning groove 201 for positioning an end of the fixed workpiece 10, and the first positioning groove 201 is disposed opposite to the pressing member 310. In the present embodiment, the workpiece 10 has the protruding portion 11 and the upright portion 12 at both ends, the first positioning groove 201 is used for accommodating the protruding portion 11, and the protruding portion 11 and the first positioning groove 201 are combined to prevent the displacement of the workpiece 10 in the sliding direction of the carriage 400. The pressing member 310 includes a first pressing leg and a second pressing leg, and a space for the vertical plate portion 12 to penetrate is defined between the first pressing leg and the second pressing leg, so as to limit the separation of the workpiece 10.

Referring to fig. 3, in some embodiments of the present invention, the object stage 200 includes an elastically deformable receiving plate 210, and an adjusting mechanism 600 for adjusting the curvature of the receiving plate 210 is disposed between the receiving plate 210 and the frame 100. The adjustment of the curvature of the receiving plate 210 by the adjustment mechanism 600 can adapt to the shaping of the curled workpiece 10 into workpieces 10 of different shapes. Further, it should be noted that, in the case of the workpiece 10 made of a material such as a steel material, an aluminum material, or the like, after the workpiece 10 is removed from the push-down truing apparatus, the trued workpiece 10 may be rebounded to some extent due to its own elastic recovery function. For example, when the workpiece 10 is flattened and removed from the stage 200, the workpiece 10 may be tilted upward by a certain arc, and when the receiving plate 210 is adjusted to be curved downward by the adjusting mechanism 600, the middle portion of the shaped workpiece 10 forms a cambered shape, and when the workpiece 10 is removed from the receiving plate 210, the workpiece 10 may rebound to a certain extent to just achieve a high flatness. As can be seen, the adjustment mechanism 600 can adjust the curvature of the receiving plate 210 to compensate for the deformation of the workpiece 10 in one direction.

Referring to fig. 1 and 3, in some embodiments of the present invention, the adjustment mechanism 600 includes a plurality of screw assemblies connected between the adaptor plate 210 and the frame 100, and the length of the screw assemblies is adjustable to move the portion of the adaptor plate 210 connected to the corresponding screw assembly closer to or farther from the frame 100. In the present embodiment, one end of the receiving plate 210 is fixed to the frame 100, the other end of the receiving plate 210 is connected to the frame 100 through a plurality of screw assemblies, and the middle of the receiving plate 210 is connected to the frame 100 through a plurality of screw assemblies. The length of the screw assembly connected between the bearing plate 210 and the frame 100 is adjusted to drive the local position of the bearing plate 210 to deform upwards or downwards, so that the bearing plate 210 is adjusted to have a corresponding radian and shape, and the adjusting mechanism 600 is simple in adjusting mode, convenient to use and low in cost.

Referring to fig. 3, in some embodiments of the present invention, in order to form the receiving plate 210 into an arc surface with a relatively stable curvature so that the workpiece 10 can achieve a better flatness after rebounding, a plurality of support beams 220 are erected on a lower portion of the receiving plate 210 and spaced apart from each other in a front-rear direction of the object stage 200, a length direction of the support beams 220 extends along a width direction of the receiving plate 210, and a plurality of connecting ribs 230 are spaced apart from each other along the length direction of the support beams 220 and connected between a bottom of the receiving plate 210 and the support beams 220. In this embodiment, a cross beam 240 connecting all the supporting beams 220 is disposed below the middle portion of the supporting plate 210, two ends of the cross beam 240 are respectively mounted on the frame 100 through a screw assembly, when the length of the screw assembly is adjusted, the cross beam 240 can drive the middle portions of all the supporting beams 220 to bend upwards or downwards, at this time, the connecting ribs 230 distributed at intervals along the length direction of the supporting beams 220 can drive the supporting plate 210 to deform uniformly, so as to form an arc-shaped surface with stable curvature, and finally, the workpiece 10 with excellent quality is shaped.

Referring to fig. 1, in some embodiments of the present invention, the rack 100 is provided with a guide rail 110 extending in a front-rear direction of the stage 200, the sliding frame 400 is provided with a slider 420 slidably disposed on the guide rail 110, the linear driving mechanism 700 includes an oil hydraulic cylinder fixed to the rack 100 and located below the sliding frame 400, and a connecting bracket extending downward is disposed at a bottom of the sliding frame 400 and fixedly connected to a push rod of the oil hydraulic cylinder. The telescopic motion of the oil hydraulic cylinder can be converted into the front and back flattening actions of the jacking component.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A push-down shaper, comprising:

the device comprises a rack (100), wherein an object stage (200) is arranged on the rack (100);

a fixing mechanism (300) provided on the frame (100) or the stage (200) and used for fixing the end of the curled workpiece (10) on the frame (100) or the stage (200);

a sliding frame (400) which is arranged on the rack (100) in a sliding way along the direction parallel to the object stage (200);

the jacking component is movably arranged on the sliding frame (400) and can jack the curled workpiece (10) on the objective table (200);

and the linear driving mechanism (700) is connected with the sliding frame (400) and is used for driving the sliding frame (400) to slide in a reciprocating manner, so that the jacking assembly can flatten the workpiece (10) on the object stage (200).

2. A push-down shaper according to claim 1, wherein:

the jacking assembly comprises a lower swing arm (510) rotatably arranged on the sliding frame (400), a lower pressing roller (520) rotatably arranged at the free end of the lower swing arm (510), and a driving mechanism (530) for driving the lower swing arm (510) to rotate.

3. A push-down shaper according to claim 2, wherein:

one end, far away from the lower pressing roller (520), of the lower swing arm (510) is rotatably arranged on the sliding frame (400) through a rotating shaft piece (533), the driving mechanism (530) comprises a piston cylinder (531) and a connecting rod (532), a cylinder body of the piston cylinder (531) is rotatably arranged on the sliding frame (400), a rod portion of the piston cylinder (531) is rotatably connected with one end of the connecting rod (532), and the other end of the connecting rod (532) is fixedly connected with the rotating shaft piece (533).

4. A push-down shaper according to claim 1, wherein:

fixing mechanism (300) include down pressing member (310), push down arm (320) and linear actuator (330), push down pressing member (310) is followed the width direction of objective table (200) arranges and is used for compressing tightly the tip of work piece (10) downwards, the middle part of push down arm (320) set up in frame (100), the one end of push down arm (320) rotate connect in push down pressing member (310), the other end of push down arm (320) rotate connect in the output of linear actuator (330).

5. A push-down shaper according to claim 4, wherein:

the sliding frame (400) is provided with a long condition (410) arranged along the sliding direction of the sliding frame, the upper part of the lower pressing piece (310) is provided with a limit plane (311) corresponding to the long condition (410), and in the reciprocating sliding process of the sliding frame (400), the long condition (410) is always abutted against the limit plane (311) downwards to prevent the lower pressing piece (310) from moving upwards relative to the object stage (200).

6. A push-down shaper according to claim 4, wherein:

the upper surface of objective table (200) is equipped with first constant head tank (201) that is used for the tip of fixed work piece (10) of location, first constant head tank (201) with push down (310) set up relatively.

7. A push-down shaper according to claim 1, wherein:

the objective table (200) comprises an elastically deformable bearing plate (210), and an adjusting mechanism (600) for adjusting the radian of the bearing plate (210) is arranged between the bearing plate (210) and the rack (100).

8. A push-down shaper according to claim 7, wherein:

the adjusting mechanism (600) comprises a plurality of screw assemblies connected between the bearing plate (210) and the rack (100), and the length of each screw assembly can be adjusted so that the part of the bearing plate (210) connected with the corresponding screw assembly is close to or far away from the rack (100).

9. A push-down shaper according to claim 8, wherein:

the lower part of the bearing plate (210) is erected with a plurality of supporting beams (220) which are arranged at intervals along the front-rear direction of the objective table (200), the length direction of the supporting beams (220) extends along the width direction of the bearing plate (210), and a plurality of connecting ribs (230) which are connected between the bottom of the bearing plate (210) and the supporting beams (220) are distributed at intervals along the length direction of the supporting beams (220).

10. A push-down shaper according to claim 1, wherein:

be equipped with the edge on frame (100) the fore-and-aft direction of objective table (200) extends guide rail (110) that sets up, be equipped with on carriage (400) and slide and locate slider (420) on guide rail (110), linear drive mechanism (700) are including being fixed in frame (100) is located the oil pressure jar of the below of carriage (400), the bottom of carriage (400) is equipped with the linking bridge that downwardly extending set up, linking bridge with the push rod fixed connection of oil pressure jar.