CN112776080A

CN112776080A - Visual positioning mechanism for CCD positioning and deviation-rectifying die-cutting machine

Info

Publication number: CN112776080A
Application number: CN202011579781.6A
Authority: CN
Inventors: 侯立新; 喻强军
Original assignee: Guangdong Fxd Intelligent Equipment Co ltd
Current assignee: Guangdong Fxd Intelligent Equipment Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-05-11
Anticipated expiration: 2040-12-28
Also published as: CN112776080B

Abstract

The invention relates to a visual positioning mechanism for a CCD positioning correction die-cutting machine. In the visual positioning mechanism, four fixed beams form a rectangular frame. Both are fixedly connected with an X-axis linear guide rail, the two sets of X-axis drive mechanisms are located on the upper surface of the first guide rail base plate, each set of X-axis drive mechanisms is connected to a set of camera fixing beams, and the lower surface of each camera fixing beam is fixed. A set of Y-axis drive mechanism is connected, one side of the fixed beam of the camera is provided with a Y-axis linear guide rail, and a Y-axis linear slider is slidably connected to the Y-axis linear guide rail, and the Y-axis drive mechanism drives the Y-axis linear slide. Block sliding positioning; and drive the CCD camera assembly through the adapter plate to position and take pictures, the visual positioning mechanism can realize the independent adjustment of the coordinates of the CCD camera in the X-axis or Y-axis direction by rotating the screw knob, and the CCD camera shakes more during the adjustment process. Smaller, higher positioning accuracy.

Description

Visual positioning mechanism for CCD positioning and deviation-rectifying die-cutting machine

Technical Field

The invention relates to the technical field of die cutting equipment, in particular to a visual positioning mechanism for a CCD (charge coupled device) positioning and deviation-rectifying die-cutting machine.

Background

The die-cutting machine is mainly used for die-cutting (full-break and half-break) operation of materials such as corresponding non-metallic materials, non-setting adhesive, EVA (ethylene vinyl acetate), double-sided adhesive, electronics, mobile phone rubber mats and the like. For a die cutting machine, the main working principle is as follows: a motor drives an eccentric main shaft to rotate, the eccentric main shaft drives an upper die base to vertically reciprocate relative to a stationary lower die base, and an upper die plate, a lower die plate and a cutter which are matched are arranged between the upper die base and the lower die base. When the punched coiled material passes through the upper die seat and the lower die seat at a designed speed under the driving of the material pulling mechanism, the die cutting of the coiled material can be completed when the die cutting upper die and the die cutting lower die are closed regularly, and a finished product with a set shape is obtained. For the existing die cutting machine, the die cutting precision mainly depends on a plurality of factors such as material pulling precision, material feeding stability, trepanning precision and the like, and the defect of low die cutting precision generally exists. The positioning and punching modes mainly comprise the following two modes: firstly, materials are easily scratched by a positioning needle trepanning mode, and the highest trepanning precision is greater than 0.05 MM; secondly, through the electric eye mark tracking mode, the mode can only fix a position the precision of X direction, and Y direction precision can not be controlled.

The existing cutting die of the CCD die-cutting machine is generally used for shooting, positioning and die-cutting by utilizing a CCD camera, after the CCD camera shoots a corresponding MARK point to confirm that the positioning is accurate, a cutter on an upper die base is driven by a host to punch and die-cut, the die-cutting process of the die-cutting machine has very high requirement on the positioning accuracy, and the responsibility of the die-cutting accuracy in the CCD die-cutting machine directly falls into the accuracy of the positioning of the CCD camera to guarantee.

Chinese patent document CN110696093A discloses a CCD automatic positioning die cutting machine, which comprises a die cutting host machine for providing punching power, a control box for centralized control, a feeding mechanism for feeding materials, and a positioning adjustment mechanism for die cutting horizontal adjustment automatic positioning, wherein the control box is installed at the rear of the die cutting host machine, the adjustment mechanism is installed on the die cutting host machine, and the feeding mechanism is installed at the side of the die cutting host machine. This cross cutting machine can carry out the regulation of horizontal direction to the upper die base through adjustment mechanism under the condition that need not to shut down, has improved cross cutting precision and cross cutting efficiency, but CCD camera position adjustment mechanism is carrying out the position control in-process in this equipment, two sets of CCD cameras are synchronous movable in X axle direction, the unable independent motion of two sets of cameras, and the CCD camera is connected fixedly through only the lead screw, in the positioning process, the CCD camera rocks greatly, causes the positioning accuracy of CCD camera poor.

Chinese patent document CN110919766A discloses a CCD die-cutting machine, which comprises a workbench, a frame, and a computer; the automatic feeding device also comprises an alignment platform, a feeding mechanism, a blanking mechanism, a die cutting mechanism and a CCD visual assembly; the feeding mechanism and the blanking mechanism are arranged on the alignment platform and used for drawing processing materials; the die cutting mechanism is arranged between the feeding mechanism and the blanking mechanism and is used for processing materials which are pulled by the feeding mechanism and the blanking mechanism; the CCD visual assembly comprises a CCD visual camera electrically connected with the computer; the vision direction of the CCD vision camera is aligned with the die cutting mechanism, the processed material is subjected to image acquisition and information is sent to the computer for analysis, when the central point of the mark of the processed material is coincident with the central point set by the computer, the computer sends an instruction to the die cutting mechanism for die cutting, but the CCD camera is disclosed in the die cutting machine, but the connection and fixing structure of the CCD camera is not disclosed.

Disclosure of Invention

Aiming at the problems in the prior art, the invention discloses a visual positioning mechanism for a CCD positioning and deviation rectifying die-cutting machine, which utilizes two groups of X-axis driving mechanisms and two groups of Y-axis driving mechanisms which are independently controlled to quickly and conveniently independently adjust any position of each camera in the horizontal direction, and can realize the coordinate adjustment of the CCD camera in the X-axis or Y-axis direction by screwing a screw rod knob.

The technical scheme adopted by the invention for solving the technical problems is as follows: provides a visual positioning mechanism for a CCD positioning and deviation rectifying die-cutting machine, which comprises a CCD adjusting component and an upper shell, wherein the CCD adjusting component is positioned in the upper shell, four upright posts are arranged at four corners of the CCD adjusting component, the uniform end of each upright post is fixedly connected with the CCD adjusting component, the other end of each upright post is fixedly connected with an upright post bottom plate,

the CCD adjusting assembly comprises four fixed beams, the fixed beams are sequentially and fixedly connected end to form a rectangular frame, four corners of the rectangular frame are connected with the stand columns, a first guide rail bottom plate and a second guide rail bottom plate are installed and connected to the front side and the rear side of the rectangular frame, the lower surfaces of the first guide rail bottom plate and the second guide rail bottom plate are fixedly connected with an X-axis linear guide rail, two camera fixing cross beams are arranged between the X-axis linear guide rails and are perpendicular to the X-axis linear guide rails, and the positions of the camera fixing cross beams are lower than those of the X-axis linear guide rails; the upper surfaces of two ends of each camera beam are respectively provided with a slide block mounting surface, the slide block mounting surfaces are fixedly connected with X-axis linear slide blocks, the X-axis linear guide rails are in sliding fit with the X-axis linear slide blocks,

the upper surface of the first guide rail bottom plate is symmetrically provided with two groups of X-axis driving mechanisms by taking the middle position of the first guide rail bottom plate as an axis, each group of X-axis driving mechanisms is connected with one group of camera fixing beams, each X-axis driving mechanism comprises two groups of X-axis lead screw fixing seats, an X-axis lead screw and an X-axis lead screw nut, the two groups of X-axis lead screw fixing seats are fixedly arranged on the upper surface of the first guide rail bottom plate, each group of X-axis lead screw fixing seats is provided with a first bearing fixing hole, the axes of the first bearing fixing holes of the two groups of X-axis lead screw fixing seats are overlapped, and a first bearing is arranged in each first bearing fixing hole on each group of X-; the X-axis screw rod is positioned between the two groups of X-axis screw rod fixing seats, and two ends of the X-axis screw rod are respectively connected to first bearings of the X-axis screw rod fixing seats; the X-axis screw nut is connected on the X-axis screw in a sliding way, the side surface of the X-axis screw nut is fixedly connected with a nut connecting block, the X-axis screw nut is fixedly connected with the upper surface of the camera fixing beam by the nut connecting block,

the lower surface of each camera fixing cross beam is fixedly connected with a group of Y-axis driving mechanisms, each Y-axis driving mechanism comprises two groups of Y-axis lead screw fixing seats, a Y-axis lead screw and a Y-axis lead screw nut, the two groups of Y-axis lead screw fixing seats are fixedly arranged on the lower surface of the camera fixing cross beam, each group of Y-axis lead screw fixing seats is provided with a bearing fixing hole, the axes of the bearing fixing holes of the two groups of Y-axis lead screw fixing seats are superposed, and a bearing is arranged in each bearing fixing hole on each group of Y-axis lead screw fixing seats; the Y-axis screw rod is located between the two sets of Y-axis screw rod fixing seats, two ends of the Y-axis screw rod are connected to bearing inner holes of the Y-axis screw rod fixing seats respectively, and the Y-axis screw rod nut is connected to the Y-axis screw rod in a sliding mode.

Furthermore, a Y-axis linear guide rail is arranged on one side of the camera fixing cross beam, the Y-axis linear guide rail is fixedly connected to the side face of the camera fixing cross beam through bolts, a Y-axis linear sliding block is connected to the Y-axis linear guide rail in a sliding mode, and a Y-axis lead screw nut and the Y-axis linear sliding block are fixedly connected through a transfer plate; the side of the adapter plate is provided with a camera mounting surface, and a CCD camera assembly for positioning is fixedly connected to the camera mounting surface.

Furthermore, an X-axis lead screw fixing seat extends out of one end of the X-axis lead screw, an X-axis lead screw knob is fixedly connected to the end portion of the extended X-axis lead screw, and when the X-axis lead screw knob is screwed, the X-axis lead screw nut is driven to slide through the X-axis lead screw and synchronously drives the camera fixing cross beam to slide and displace along the X-axis direction.

Furthermore, one end of the Y-axis screw rod extends out of the Y-axis screw rod fixing seat, the end part of the extended Y-axis screw rod is fixedly connected with a Y-axis screw rod knob, and when the Y-axis screw rod knob is screwed, the Y-axis screw rod nut is driven to slide through the Y-axis screw rod and synchronously drives the CCD camera assembly to slide and displace along the Y-axis direction.

Further, the CCD camera component comprises a CCD camera, a camera mounting plate and a lens reinforcing plate, a strip-shaped mounting hole is formed in the camera mounting plate, the camera mounting plate is mounted on a camera mounting surface of the adapter plate in a mode that bolts penetrate through the strip-shaped mounting hole, the lens reinforcing plate is horizontally mounted on the lower portion of the camera mounting plate, the lens reinforcing plate and the camera mounting plate are of an L-shaped structure, the CCD camera is fixed on the camera mounting plate, and the lower end of the CCD camera is opposite to the lens reinforcing plate.

Furthermore, a first X-axis limiting plate is arranged on the side surface of the X-axis driving mechanism, the first X-axis limiting plate is fixedly installed on the side surface of the rectangular frame, and two strip-shaped limiting holes are symmetrically formed in the surface of the first X-axis limiting plate; the side of every group X axle screw nut all is equipped with first X axle fixed handle, first X axle fixed handle and nut connecting block set up in X axle screw nut both sides relatively, first X axle fixed handle passes the spacing jogged joint of bar of first X axle limiting plate on X axle screw nut, makes X axle screw nut hug closely first X axle limiting plate surface through screwing first X axle fixed handle to realize X axle screw nut and camera fixed beam rigidity.

Further, second guide rail bottom plate below is equipped with second X axle limiting plate, second X axle limiting plate fixed connection is in rectangular frame's lower surface, just the symmetry is equipped with the spacing hole of two bars on the second X axle limiting plate, the lower surface of camera fixed cross beam tip is equipped with second X axle fixed handle, the spacing jogged joint in camera fixed cross beam tip of bar that second X axle fixed handle passed second X axle limiting plate makes camera fixed cross beam hug closely the spacing board surface of second X axle through screwing second X axle fixed handle to realize camera fixed cross beam tip rigidity.

Further, the side fixedly connected with Y axle limiting plate of every camera fixed cross beam of group, be equipped with the spacing hole of a bar on the Y axle limiting plate, Y axle screw nut side is equipped with Y axle fixed handle, Y axle fixed handle passes the spacing jogged joint in Y axle screw nut of bar on the Y axle limiting plate, fixes CCD camera subassembly position through the fixed handle of Y axle of screwing.

Furthermore, a position display is arranged on the side of the CCD adjusting assembly, a display support and a display fixing plate are arranged behind the position display, the display fixing plate is fixed on a stand column in the CCD adjusting assembly, one end of the display support is fixedly arranged on the rear side face of the position display, and the other end of the display support is hinged to the display fixing plate.

Compared with the prior art, the invention has the following advantages:

1) the two groups of CCD cameras in the visual positioning mechanism of the die-cutting machine respectively adopt the X-axis driving mechanism and the Y-axis driving mechanism which are independently controlled, the assembly can quickly and conveniently adjust the position of each camera, the coordinate adjustment of the CCD cameras in the X-axis or Y-axis direction can be realized by screwing the screw rod knob, the shooting position of each camera can be quickly adjusted, the positioning switching is realized, and the working efficiency is improved.

2) According to the visual positioning mechanism of the die-cutting machine, the CCD cameras are precisely positioned by adopting the sliding fit of the screw rod driving screw rod nuts, the stable operation of the camera fixing cross beam and the connected CCD cameras is ensured by arranging the linear guide rail mechanisms at the two ends of the camera fixing cross beam respectively, and each group of CCD cameras are fastened by adopting the fixing handles in the X-axis direction and the Y-axis direction, so that the accurate positioning in the working process is realized, and the positioning stability is improved.

3) The visual positioning mechanism of the die-cutting machine is compact in structural layout, effectively utilizes the equipment space above the die-cutting part, and avoids the problems that the visual positioning equipment occupies too large space, the whole size of the die-cutting machine is large, and the operation is inconvenient.

Drawings

Fig. 1 is a structural diagram of a CCD positioning deviation-rectifying die-cutting machine in embodiment 1 of the present invention;

FIG. 2 is a schematic view of the installation of the feeding assembly, the pulling assembly and the visual positioning mechanism in the die cutting machine according to embodiment 1 of the present invention;

FIG. 3 is a structural view of a visual alignment mechanism in embodiment 1 of the present invention;

FIG. 4 is a structural view of a CCD adjusting unit in embodiment 1 of the present invention;

FIG. 5 is a plan view of a CCD adjusting unit in embodiment 1 of the present invention;

FIG. 6 is a cross-sectional view taken in the direction B-B in FIG. 5;

FIG. 7 is a block diagram of the mechanism at A in FIG. 4;

FIG. 8 is a rear view of the mechanism of FIG. 4 at A;

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

It is noted that the X-axis and the Y-axis are described based on the structural directions in the drawings of the embodiments, and the above terms are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Based on the structure of the attached drawings of the embodiment, the X axis in the following description refers to the position direction parallel to the conveying direction of the die cutting machine, the Y axis refers to the position direction perpendicular to the conveying direction of the die cutting machine,

example 1:

as shown in fig. 1-2, the embodiment discloses a CCD positioning and deviation rectifying die-cutting machine, which includes a die-cutting host 1 used in a die-cutting process, a power machine case 2 used for providing power for the die-cutting machine, a feeding assembly 3 used for feeding materials, a pulling assembly 5 used for discharging materials and providing power for material transmission, and a visual positioning mechanism 6 used for positioning the positions of the materials in the die-cutting host, wherein four groups of supporting bases are arranged at the bottom of the die-cutting host 1, the supporting bases are used for keeping the die-cutting host 1 stably placed on a horizontal ground, the power machine case 2 is installed on the rear side surface of the die-cutting host 1, the feeding assembly 3 and the pulling assembly 5 are installed on two sides of the die-cutting host 1, and the visual positioning mechanism 6 is installed right above the.

Specifically, the die cutting host 1 comprises a first mounting plate 7, a second mounting plate 8, a deviation rectifying assembly 9, a transmission part 4, a die cutting part 10 and a host case, wherein the transmission part 4 is positioned in the host case, and the first mounting plate 7 is fixedly mounted on the host case; 7 top parallels of first mounting panel are equipped with second mounting panel 8, pass through between first mounting panel 7 and the second mounting panel 8 the subassembly 9 of rectifying is connected, first mounting panel 7 with the intermediate position of second mounting panel 8 all is equipped with the rectangle through-hole, the rectangle through-hole that cross cutting portion 4 runs through first mounting panel 7 and second mounting panel 8 is installed on the transmission portion.

More specifically, subassembly 9 of rectifying is including two sets of X axis linear drive module and two sets of Y axis linear drive module, X axis linear drive module and Y axis linear drive module are installed respectively in 7 four corners positions of first mounting panel, and two sets of X axis linear drive module diagonal arrangements, and two sets of Y axis linear drive module diagonal arrangements, and are more detailed, move along the left and right directions between X axis linear drive module synchronous drive first mounting panel 7 and the second mounting panel 8, move along the fore-and-aft direction between Y axis linear drive module synchronous drive first mounting panel 7 and the second mounting panel 8, X axis linear drive module and Y axis linear drive module synchronous cooperation realize the action of rectifying of 8 horizontal directions of second mounting panel.

In more detail, the die cutting part 10 comprises an upper die assembly and a lower die assembly, the lower die assembly comprises a lower die base plate and a lower die plate, the lower die base plate is fixedly mounted on the upper surface of a lower die fixing seat, a waste through hole is formed in the middle of the lower die base plate, and the waste through hole is of an inverted cone structure; the lower die base plate is characterized in that lower die guide plates are arranged on two sides of the lower die base plate, lower die guide grooves are arranged on two sides of the lower die base plate, and the lower die guide plates are in sliding fit with the lower die guide grooves, so that the lower die base plate can be fixed in the vertical direction and can slide in the direction of the lower die guide plates.

The upper die assembly is located right above the lower die assembly, a guide post is connected to four corners of the upper die assembly, the lower end of the guide post penetrates through the lower die fixing seat to be connected with a transmission portion inside the mainframe box, power of the power machine box is transmitted to the guide post through the transmission portion, the guide post is made to perform vertical reciprocating periodic action, and therefore the upper die assembly is driven to lift in the vertical direction, and die cutting action is achieved. More specifically, the upper die assembly comprises an upper die mounting seat, an upper die fixing plate and an upper die plate, four corners of the upper die mounting seat are fixedly connected with the guide posts, an upper die rotary transfer sleeve is arranged at the center of the upper die mounting seat, the center of the lower die fixing plate is connected with the upper die mounting seat through the upper die rotary transfer sleeve, and the upper die rotary transfer sleeve is only used for fixing the vertical position of the upper die fixing plate and cannot fix the horizontal position state of the upper die fixing plate; the upper die mounting seat and the upper die fixing plate are provided with slotted holes for camera shooting, fixing bolts are arranged around the slotted holes and used for limiting the horizontal position between the upper die mounting seat and the upper die fixing plate; an adjusting fixing plate is arranged at the edge of the lower surface of the upper die mounting seat, an adjusting screw rod is arranged on one side of the upper die fixing plate, one end of the adjusting screw rod is hinged with the side surface of the upper die fixing plate, a rotating handle is arranged at the tail end of the adjusting screw rod after the other end of the adjusting screw rod penetrates through the adjusting fixing plate, and the adjusting screw rod and the adjusting fixing plate are fixedly connected through threads; the two side surfaces of the lower die fixing plate are respectively provided with an L-shaped pressing plate, the L-shaped pressing plates are fixedly connected to the lower surface of the lower die fixing plate, a guide sliding groove is formed between each L-shaped pressing plate and the lower die fixing plate, guide sliding rails are arranged on the two sides of the lower die plate, and the lower die plate is arranged below the lower die fixing plate through the guide sliding rails and the guide sliding grooves in a matched mode; in addition, the middle part of the lower template is fixedly connected with a cutting die, and photographing positioning holes for photographing by a camera are formed in the surface of the lower template on the periphery of the cutting die.

Furthermore, the feeding assembly 3 and the pulling assembly 5 are fixedly mounted on the upper surface of the second mounting plate 8.

Specifically, the feeding assembly 3 comprises two groups of feeding side frames, two groups of feeding fixing plates, a feeding guide plate, an air suction plate and two groups of feeding and pressing assemblies, the two groups of feeding fixing plates are parallel to each other, the lower surfaces of the feeding fixing plates are fixedly connected to the edge position of the upper surface of the second mounting plate 8, the tail end of each group of feeding fixing plates is fixedly connected with one group of feeding side frames, an included angle exists between each feeding side frame and the horizontal plane, and the preferred included angle is 15 degrees; the feeding guide plates are fixed on the upper surfaces of the two groups of feeding fixing plates; three groups of feeding rollers, two groups of linear bearing mandrels, two groups of material blocking plates and adjusting shafts are arranged between the two groups of feeding side frames, the two groups of material blocking plates are arranged between the two groups of feeding side frames in parallel, the feeding rollers, the linear bearing mandrels and the adjusting shafts penetrate through the material blocking plates, and the two ends of the feeding rollers, the linear bearing mandrels and the adjusting shafts are connected to the feeding side frames; the feeding material pressing component for pressing materials is arranged on the upper surface of the feeding side frame; the air suction plate is installed at the end parts of the two groups of feeding side plates, a plurality of air suction holes are uniformly distributed in the surface of the air suction plate, and an air suction assembly used for generating negative pressure air is arranged below the air suction plate.

More specifically, the material pulling assembly 5 comprises two groups of material pulling fixing plates and material pulling guide plates, the two groups of material pulling fixing plates are fixedly installed on the upper surface of the second installation plate 8, and the material pulling guide plates are fixedly connected to the upper surfaces of the material pulling fixing plates; a material pulling roller is arranged between the two groups of material pulling fixed plates, and one end of the material pulling roller penetrates through the material pulling fixed plates on the same side and is connected with a material pulling driving motor in an installing manner; an extension part is arranged on the upper surface of each group of the pulling fixing plates, a U-shaped hole is formed in each extension part, a spring cover plate is arranged at the opening position of each U-shaped hole, a pressing sliding block is arranged in each U-shaped hole, a threaded hole is formed in each spring cover plate in an installing and connecting mode, a threaded rod is connected in the threaded hole in a matching mode, the lower end of each threaded rod penetrates through each spring cover plate, a guide part extends downwards, the diameter of each guide part is smaller than that of each threaded rod, a spring is arranged between the tail end of each threaded rod and the corresponding pressing sliding block, one end of each spring is tightly attached to the tail end; the material pulling device is characterized in that a connecting shaft is arranged above the material pulling roller, two ends of the connecting shaft are fixedly connected with the material pressing sliding blocks on two sides respectively, two material pressing wheels are fixedly connected to the connecting shaft, the material pressing wheels and the material pulling roller realize material pressing and provide material conveying power, and due to the fact that threaded rods on two sides and threaded holes are in threaded connection, when the threaded rods are adjusted to extend downwards, the springs are further compressed, the springs generate larger pressing force on the material pressing sliding blocks, and pressing force of the material pressing wheels on the materials is increased.

Specifically, as shown in fig. 3-6, the visual positioning mechanism 6 includes a CCD adjusting assembly and an upper housing 601, the CCD adjusting assembly is located in the upper housing 601, four vertical columns 602 are disposed at four corners of the CCD adjusting assembly, a uniform end of each vertical column 602 is fixedly connected to the CCD adjusting assembly, the other end of each vertical column 602 is fixedly connected to a vertical column bottom plate, and the vertical column bottom plate is fixedly mounted on the lower die mounting seat; more specifically, referring to fig. 4, the CCD adjusting assembly includes four fixed beams 603, the fixed beams 603 are sequentially and fixedly connected end to form a rectangular frame, four corners of the rectangular frame are connected to the upright 602, the front and rear sides of the rectangular frame are fixedly connected to a first guide rail bottom plate 605 and a second guide rail bottom plate 604, the lower surfaces of the first guide rail bottom plate 605 and the second guide rail bottom plate 604 are fixedly connected to an X-axis linear guide 613, two camera fixing cross beams 606 are disposed between the X-axis linear guide 613 on the front and rear sides of the rectangular frame, the camera fixing cross beams 606 are perpendicular to the X-axis linear guide 613 on the front and rear sides, and the camera fixing cross beams 606 are lower than the X-axis linear guide 613; the upper surfaces of the two ends of each camera fixing cross beam 606 are provided with slider mounting surfaces 6061, the slider mounting surfaces 6061 are fixedly connected with X-axis linear sliders 614 through bolts, and the X-axis linear guide rails 613 are in sliding fit with the X-axis linear sliders 614.

Further, in order to realize that the two camera fixing beams 606 respectively and independently move in the X-axis direction, two sets of X-axis driving mechanisms are symmetrically installed on the upper surface of the first guide rail base plate 605 by taking the middle position of the first guide rail base plate as an axis, and each set of X-axis driving mechanism is connected with one set of camera fixing beam 606.

Specifically, the X-axis driving mechanism includes two groups of X-axis lead screw fixing seats 608, X-axis lead screws 609 and X-axis lead screw nuts 612, the two groups of X-axis lead screw fixing seats 608 are fixedly mounted on the upper surface of the first guide rail base plate 605, each group of X-axis lead screw fixing seats 608 is provided with a bearing fixing hole, the axes of the bearing fixing holes of the two groups of X-axis lead screw fixing seats 608 are overlapped, and a bearing is mounted in each bearing fixing hole of each group of X-axis lead screw fixing seats 608; the X-axis lead screw 609 is positioned between the two groups of X-axis lead screw fixing seats 608, and two ends of the X-axis lead screw 609 are respectively connected into bearing inner holes of the X-axis lead screw fixing seats 608; the X-axis screw nut 612 is connected to the X-axis screw 609 in a sliding manner, the side surface of the X-axis screw nut 612 is fixedly connected with a nut connecting block 603, the nut connecting block 603 is used for fixedly connecting the X-axis screw nut 612 with the upper surface of a camera fixing cross beam 606, and when the X-axis screw nut 612 moves in a sliding manner, the nut connecting block 603 connected with the X-axis screw nut 612 and the camera fixing cross beam 606 synchronously move; in order to adjust the displacement distance of the X-axis screw nut 612 conveniently, one end of the X-axis screw 609 extends out of the X-axis screw fixing seat 608, an X-axis screw knob 607 is fixedly connected to the end portion of the extended screw, the X-axis screw nut 612 is driven to slide through screwing the X-axis screw knob 607 and the X-axis screw 609, and meanwhile, the camera fixing beam 606 can be synchronously driven to slide and displace along the X-axis direction.

Furthermore, the lower surface of each camera fixing cross beam 606 is fixedly connected with a group of Y-axis driving mechanisms, each Y-axis driving mechanism comprises two groups of Y-axis lead screw fixing seats 618, a Y-axis lead screw 619 and a Y-axis lead screw nut 620, the two groups of Y-axis lead screw fixing seats 618 are fixedly installed on the lower surface of the camera fixing cross beam 606, each group of Y-axis lead screw fixing seats 618 is provided with a bearing fixing hole, the axes of the bearing fixing holes of the two groups of Y-axis lead screw fixing seats 618 are coincident, and a bearing is installed in each bearing fixing hole of each group of Y-axis lead screw fixing seats 618; y axle lead screw 619 is located between two sets of Y axle lead screw fixing base 618, just the both ends of Y axle lead screw 619 are connected respectively in the bearing hole of Y axle lead screw fixing base 618, just Y axle lead screw fixing base 618 is extended to the one end of Y axle lead screw 619, and the lead screw tip fixedly connected with Y axle lead screw knob 627 that extends, Y axle lead screw nut 620 sliding connection is on Y axle lead screw 619.

As shown in fig. 7 and 8, in order to ensure the stable displacement of the camera along the Y axis, one side of the camera fixing beam 606 is provided with a Y axis linear guide 621, the Y axis linear guide 621 is fixed on the side of the camera fixing beam 606 by using a bolt connection, and the Y axis linear guide 621 is slidably connected with a Y axis linear slider 622. In order to realize synchronous displacement of the Y-axis lead screw nut 620 and the Y-axis linear sliding block 622, the Y-axis lead screw nut 620 and the Y-axis linear sliding block 622 are connected and fixed by a switching plate 623; the side of the adapter plate 623 is provided with a camera mounting surface, a CCD camera assembly for positioning is fixedly connected to the camera mounting surface, the CCD camera assembly comprises a CCD camera 626, a camera mounting plate 624 and a lens reinforcing plate 625, the camera mounting plate 624 is provided with a strip mounting hole 6241, the camera mounting plate 624 is mounted on the camera mounting surface of the adapter plate 623 by penetrating through the strip mounting hole 6241 by bolts, the lens reinforcing plate 625 is horizontally mounted at the lower part of the camera mounting plate 624, the lens reinforcing plate 625 and the camera mounting plate 624 are of an L-shaped structure, the CCD camera 626 is fixed on the camera mounting plate 624, and the lower end of the CCD camera 626 is opposite to the lens reinforcing plate 625. It should be noted that the mounting positions of the camera mounting plate 624 and the adaptor plate 623 can be finely adjusted, and the mounting height of the camera mounting plate 624 can be changed by moving the relative positions of the bolts and the strip-shaped mounting holes 6241.

In order to prevent the CCD camera 626 from deviating from a die cutting positioning point due to the influence of machine vibration and other factors in the die cutting process, a first X-axis limiting plate 610 is arranged on the side surface of the X-axis driving mechanism, the first X-axis limiting plate 610 is fixedly installed on the side surface of the rectangular frame, and two strip-shaped limiting holes 6101 are symmetrically arranged on the surface of the first X-axis limiting plate 610; the side of each group of X-axis screw nuts 612 is provided with a first X-axis fixing handle 611, the first X-axis fixing handle 611 and the nut connecting block 603 are arranged on two sides of the X-axis screw nuts 612 relatively, the first X-axis fixing handle 611 penetrates through the strip-shaped limiting hole 6101 of the first X-axis limiting plate 610 to be connected to the X-axis screw nuts 612, and the X-axis screw nuts 612 can be tightly attached to the surface of the first X-axis limiting plate 610 by screwing the first X-axis fixing handle 611, so that the positions of the X-axis screw nuts 612 and the camera fixing beams 606 are fixed. Furthermore, because two ends of the camera fixing beam 606 are respectively connected to the X-axis linear guide 613 at the front side and the rear side, and two ends of the camera fixing beam 606 have a tendency of sliding displacement, one end of the camera fixing beam 606 close to the X-axis driving mechanism is fixed in position by using a first X-axis fixing handle 611, and the other end of the camera fixing beam 606 can also be fixed by using a second X-axis limiting plate 615 and a second X-axis fixing handle 616, specifically, the second X-axis limiting plate 615 is located below the second guide base plate 604, the second X-axis limiting plate 615 is fixedly connected to the lower surface of the rectangular frame, two strip-shaped limiting holes 6151 are symmetrically arranged on the second X-axis limiting plate 615, the second X-axis fixing handle 616 is arranged on the lower surface of the end of the camera fixing beam 606, the second X-axis fixing handle 616 passes through the strip-shaped limiting holes 6151 of the second X-axis limiting plate 615 to be connected to the end of the camera fixing beam 606, the lower surface of the camera fixing beam 606 can be tightly attached to the surface of the second X-axis limiting plate 615 by screwing the second X-axis fixing handle 616, so as to fix the end position of the camera fixing beam 606.

Similarly, in order to fix the position of the CCD camera component in the Y-axis direction, the side surface of each camera fixing beam group is fixedly connected with a Y-axis limiting plate 617, a bar-shaped limiting hole 6171 is formed in the Y-axis limiting plate 617, a Y-axis fixing handle 628 is arranged on the side surface of the Y-axis screw nut 620, the Y-axis fixing handle 628 penetrates through the bar-shaped limiting hole 617 in the Y-axis limiting plate 617 to be connected to the Y-axis screw nut 620, and the position of the CCD camera component can be fixed by screwing the Y-axis fixing handle 628.

When needing to be noticed, before the operator performs the material die cutting, the CCD cameras need to be positioned and adjusted, and the specific adjustment process is as follows, the moving range of each group of CCD cameras is controlled by the Y-axis driving mechanism and the X-axis driving mechanism which are connected in the same group, taking one group of CCD adjustment as an example, firstly, the offset distance between the position of the photographing positioning hole in the upper die assembly and the CCD camera is determined, then, the X-axis driving mechanism is adjusted by screwing the X-axis screw knob 607, so that the camera fixing beam 606 is displaced above the photographing positioning hole, and then, the Y-axis driving mechanism is adjusted by screwing the Y-axis screw knob 627, so that the CCD camera assembly is displaced to the position right above the photographing positioning hole, and then, the positioning adjustment is completed by finely adjusting the X-axis driving mechanism and the Y-axis driving mechanism, so that the CCD camera in the CCD camera assembly is.

For the more audio-visual positioning data of observing the CCD camera, CCD adjusting part side is equipped with position display 11, position display is used for the record to show the coordinate position at CCD camera place, position display rear is equipped with display support and display fixed plate, the display fixed plate is fixed in on the stand among the CCD adjusting part, display support one end fixed mounting is in the trailing flank of position demonstration, and the other end articulates on the display fixed plate.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides a vision positioning mechanism for CCD location cross cutting machine of rectifying, vision positioning mechanism includes CCD adjusting part and upper housing, CCD adjusting part is located the upper housing, just CCD adjusting part four corners position is equipped with four stands, every stand homogeneous phase fixed connection CCD adjusting part, other end fixedly connected with stand bottom plate, characterized in that:

2. The visual positioning mechanism of claim 1, wherein: a Y-axis linear guide rail is arranged on one side of the camera fixing cross beam, the Y-axis linear guide rail is fixedly connected to the side face of the camera fixing cross beam through bolts, a Y-axis linear sliding block is connected to the Y-axis linear guide rail in a sliding mode, and a Y-axis screw rod nut and the Y-axis linear sliding block are fixedly connected through a transfer plate; the side of the adapter plate is provided with a camera mounting surface, and a CCD camera assembly for positioning is fixedly connected to the camera mounting surface.

3. The visual positioning mechanism of claim 2, wherein: an X-axis lead screw fixing seat extends out of one end of the X-axis lead screw, an X-axis lead screw knob is fixedly connected to the end portion of the extended X-axis lead screw, and when the X-axis lead screw knob is screwed, an X-axis lead screw nut is driven to slide through the X-axis lead screw and synchronously drives the camera fixing cross beam to slide and move along the X-axis direction.

4. The visual positioning mechanism of claim 3, wherein: one end of the Y-axis screw rod extends out of the Y-axis screw rod fixing seat, the end part of the extended Y-axis screw rod is fixedly connected with a Y-axis screw rod knob, and when the Y-axis screw rod knob is screwed, a Y-axis screw rod nut is driven to slide through the Y-axis screw rod and synchronously drives the CCD camera assembly to slide and displace along the Y-axis direction.

5. The visual positioning mechanism of claim 4, wherein: the CCD camera component comprises a CCD camera, a camera mounting plate and a lens reinforcing plate, wherein a strip-shaped mounting hole is formed in the camera mounting plate, the camera mounting plate is mounted on a camera mounting surface of the adapter plate by penetrating through the strip-shaped mounting hole through bolts, the lens reinforcing plate is horizontally mounted on the lower portion of the camera mounting plate, the lens reinforcing plate and the camera mounting plate are of an L-shaped structure, the CCD camera is fixed on the camera mounting plate, and the lower end of the CCD camera is opposite to the lens reinforcing plate.

6. The visual positioning mechanism of claim 5, wherein: a first X-axis limiting plate is arranged on the side face of the X-axis driving mechanism, the first X-axis limiting plate is fixedly installed on the side face of the rectangular frame, and two strip-shaped limiting holes are symmetrically formed in the surface of the first X-axis limiting plate; the side of every group X axle screw nut all is equipped with first X axle fixed handle, first X axle fixed handle and nut connecting block set up in X axle screw nut both sides relatively, first X axle fixed handle passes the spacing jogged joint of bar of first X axle limiting plate on X axle screw nut, makes X axle screw nut hug closely first X axle limiting plate surface through screwing first X axle fixed handle to realize X axle screw nut and camera fixed beam rigidity.

7. The visual positioning mechanism of claim 6, wherein: second guide rail bottom plate below is equipped with second X axle limiting plate, second X axle limiting plate fixed connection is in rectangular frame's lower surface, just the symmetry is equipped with two spacing holes of bar on the second X axle limiting plate, the lower surface of camera fixed cross beam tip is equipped with second X axle fixed handle, the spacing jogged joint in camera fixed cross beam tip of bar that second X axle fixed handle passed second X axle limiting plate makes camera fixed cross beam hug closely the spacing board surface of second X axle through screwing second X axle fixed handle to realize camera fixed cross beam tip position fixing.

8. The visual positioning mechanism of claim 7, wherein: the side fixedly connected with Y axle limiting plate of every camera fixed cross beam of group, be equipped with the spacing hole of a bar on the Y axle limiting plate, Y axle screw nut side is equipped with Y axle fixed handle, Y axle fixed handle passes the spacing jogged joint in Y axle screw nut of bar on the Y axle limiting plate, fixes CCD camera subassembly position through the fixed handle of Y axle of screwing.

9. The visual positioning mechanism of claim 8, wherein: the CCD adjusting component is characterized in that a position displayer is arranged on the side of the CCD adjusting component, a displayer support and a displayer fixing plate are arranged behind the position displayer, the displayer fixing plate is fixed on a stand column in the CCD adjusting component, one end of the displayer support is fixedly installed on the rear side face of the position displayer, and the other end of the displayer support is hinged to the displayer fixing plate.