CN111975108B

CN111975108B - Micro-motion adjusting and positioning device

Info

Publication number: CN111975108B
Application number: CN202010619902.9A
Authority: CN
Inventors: 余琳玲; 张桂华
Original assignee: GUANGDONG HAOMEI ALUMINIUM CO Ltd
Current assignee: GUANGDONG HAOMEI ALUMINIUM CO Ltd
Priority date: 2020-06-30
Filing date: 2020-06-30
Publication date: 2021-12-07
Anticipated expiration: 2040-06-30
Also published as: CN111975108A

Abstract

The invention provides a micro-motion adjusting and positioning device which is used for fixing the position of a travelling mechanism and can perform micro-motion adjustment on the fixed travelling mechanism, and comprises a locking structure and a micro-motion structure which are sequentially connected along the horizontal direction; the locking structure is provided with a positioning rod and is used for selecting the nearest positioning hole to be matched and connected with a positioning rod hole shaft for locking when the mechanism to be walked walks to the position near the appointed position; the micro-motion structure is configured to adjust the position of the walking mechanism to move from the vicinity of the designated position to the designated position. The invention can realize accurate positioning fine adjustment operation, can meet the requirement of positioning first and then fine adjustment, and reduces waste caused by inaccurate positioning; and the automation degree of the whole structure is high, the positioning precision is greatly improved, and the method has good applicability.

Description

Micro-motion adjusting and positioning device

Technical Field

The invention relates to the field of aluminum profile processing equipment, in particular to a micro-motion adjusting device.

Background

When the aluminum profile is produced, the last procedure after extrusion is cut to length, when the aluminum profile is cut to length, the aluminum profile is conveyed to the sawing table by the conveying table through a sizing device after straightening, and the aluminum profile is conveyed to the sawing table through the transmission device to be cut.

Through the massive search of the applicant, it is found that in the prior art, for example, an aluminum product cutting and cutting scheme disclosed in publication No. CN210232380U, an auxiliary aluminum product cutting and cutting sizing device has a general structure of a sizing device, but the structure cannot effectively ensure the precision in the actual operation, and meanwhile, the degree of automation is not high, and meanwhile, the structure cannot realize the function of automatically blocking the passing.

The existing sawing sizing has the following defects: when the aluminum profile conveyed is sent to the sizing plate, the aluminum profile is aligned by blocking the sizing baffle plate when the aluminum profile moves to the sizing plate under the action of the power device, at the moment, impact exists, the brake device on the original sizing table pushes the hydraulic cylinder or the air cylinder to complete positioning by using hydraulic pressure or air pressure, the positioning is mainly in a friction mode, under the impact for many times, the positioning trolley can move, and the cut aluminum profile can not meet the requirement and even can cause the rejection of the aluminum profile.

Disclosure of Invention

The invention provides a micro-motion adjusting and positioning device to solve the problems of low precision, infirm fixation and the like,

in order to achieve the purpose, the invention adopts the following technical scheme:

a micro-motion adjusting and positioning device is used for fixing and adjusting the position of an aluminum profile finished product sawing and sizing device and can perform micro-motion adjustment on the fixed aluminum profile finished product sawing and sizing device, and comprises a locking structure and a micro-motion structure which are sequentially connected in the horizontal direction; wherein the content of the first and second substances,

the locking structure is provided with a positioning rod and is used for selecting the nearest positioning hole to be matched and connected with a positioning rod hole shaft for locking when the aluminum profile finished product sawing and sizing device moves to the position near the specified position of the frame;

the micro-motion structure is configured to adjust the position of the running mechanism of the finished aluminum profile sawing and sizing device along the length direction of the frame to move from the vicinity of a specified position to the specified position.

In the inching adjustment positioning device, the locking structure may further include a push-pull portion connected to the positioning rod, and the push-pull portion may be configured to perform pushing and pulling actions on the positioning rod.

The fine motion adjusting and positioning device is optional, the locking structure further comprises a slide rail seat, the slide rail seat comprises a horizontal plate, a first connecting plate and a second connecting plate which are sequentially connected from top to bottom, a second sliding block is connected to the bottom of the horizontal plate, and the second sliding block is in sliding connection with a sliding rail on the rack in a matched mode.

Optionally, the first connecting plate is arranged vertically to the ground, one end of the first connecting plate is connected to one end of the bottom of the horizontal plate, the other end of the first connecting plate is connected with the second connecting plate, one side, away from the conveying device, of the second connecting plate is connected with a push-pull part fixing seat, and a shell of the push-pull part is fixedly connected to the push-pull part fixing seat.

Optionally, the fixing seat of the push-pull part is provided with a plurality of first through holes, and the second connecting plate is provided with a plurality of second through holes which are matched with each other and have coincident ground axes.

Optionally, the push-pull part fixing seat is of a hollow structure, a push-pull plate is arranged in the push-pull part fixing seat, a third through hole matched with the first through hole and the second through hole is formed in the push-pull plate, the positioning rods sequentially penetrate through the push-pull part fixing seat, the push-pull plate and the second connecting plate, a connecting hole is further formed in the middle of the push-pull plate, the push-pull part is fixedly connected with the push-pull plate through the connecting hole, and the two positioning rods are fixedly connected with the push-pull plate.

Optionally, the micro-motion adjusting and positioning device comprises a worm and gear structure in meshed connection, the worm and gear structure comprises a worm wheel and a worm in meshed connection, two ends of the worm are rotatably connected with worm seats, the worm seats are fixedly connected to a transverse plate of the walking body, one end of the worm, far away from the conveying device, is fixedly connected with a motor shaft of a second motor, and a shell of the second motor is fixedly connected to the walking body through a motor fixing seat; the worm wheel is fixedly sleeved on a positioning shaft, threads are arranged on the periphery of one part, far away from the worm, of the positioning shaft, a threaded through hole matched with the positioning shaft in the same direction as the conveying direction of the conveying device is formed in the first connecting plate, and the positioning shaft is in threaded connection with the first connecting plate.

A fine motion adjusting positioning device, optional, the screw thread part of location axle is close to one of worm wheel serves an end fixedly connected with limit nut, the location axle is located the worm wheel with it is connected with the stopper to rotate between the limit nut, it has the fourth through-hole to open on the stopper, the location axle runs through the fourth through-hole, the stopper is connected in the bottom of the diaphragm of walking main part.

The inching adjusting and positioning device is optional, and thrust bearings are arranged between two ends of the limiting block and the worm wheel and between two ends of the limiting block and the limiting nut respectively.

The beneficial technical effects obtained by the invention are as follows:

1. through the use of the device, accurate positioning fine adjustment operation can be realized, the requirement of positioning firstly and then fine adjustment can be met, and waste caused by inaccurate positioning is reduced.

2. The whole structure has high automation degree, and unnecessary errors caused by manual operation are reduced.

3. Through using this device, fix a position through the locking structure earlier, rethread fine motion structure adjustment small range's deviation value has greatly improved positioning accuracy, effectively improves the automation.

Drawings

The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is an exploded view of a fine adjustment positioning device according to one embodiment of the present invention;

FIG. 2 is a schematic view of a positioning device for fine adjustment according to one embodiment of the present invention;

FIG. 3 is a schematic view of a positioning device for fine adjustment according to one embodiment of the present invention;

fig. 4 is a schematic view illustrating a usage status of the sawing and sizing device for finished aluminum profiles according to one embodiment of the present invention;

FIG. 5 is a schematic structural diagram of a rack according to one embodiment of the present invention;

FIG. 6 is a schematic structural diagram of a traveling mechanism according to an embodiment of the present invention;

FIG. 7 is a schematic structural diagram of a traveling mechanism according to an embodiment of the present invention;

FIG. 8 is a schematic structural diagram of a shutter mechanism according to an embodiment of the present invention;

FIG. 9 is a schematic diagram of a conveyor apparatus according to one embodiment of the invention;

fig. 10 is a schematic view of a matching structure of the positioning rod and the positioning hole according to an embodiment of the invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof.

The invention relates to a micro-motion adjusting and positioning device, which explains the following embodiments according to the description of the attached drawings:

the first embodiment is as follows:

to illustrate according to one of the application scenarios, a fine-adjustment positioning device is generally connected to a movable device or apparatus to provide positioning and fine-adjustment functions for the device or apparatus, and is described according to one of the application scenarios: a micro-motion adjusting and positioning device is configured to be connected with a travelling mechanism 2 and used for adjusting the position of the travelling mechanism 2 and fixing the travelling mechanism 2 and a frame 1 through the micro-motion adjusting and positioning device; the micro-motion adjusting and positioning device comprises a locking structure and a micro-motion structure which are sequentially connected in the horizontal direction; wherein the content of the first and second substances,

the locking structure is configured to be provided with a positioning rod 309, and is used for selecting the nearest positioning hole 107 to be matched and connected with a hole shaft of the positioning rod 309 for locking when the travelling mechanism 2 travels to the position near the designated position of the rack 1; the locking structure further includes a push-pull portion 310 connected to the positioning rod 309, the push-pull portion 310 being configured to perform push-out and pull-back motions on the positioning rod 309; more specifically, the locking structure includes a slide rail seat 307, the slide rail seat 307 includes a horizontal plate, a first connecting plate, and a second connecting plate that are sequentially connected from top to bottom, a second slider is connected to the bottom of the horizontal plate, the second slider is adapted to be slidably connected to the slide rail 106, and preferably, for convenience of purchase, the second slider and the first slider are the same linear slider; the first connecting plate is arranged vertically to the ground, one end of the first connecting plate is connected to one end of the bottom of the horizontal plate, the other end of the first connecting plate is connected with the second connecting plate, one side, away from the conveying device 5, of the second connecting plate is connected with a push-pull part fixing seat 308, and an outer shell of the push-pull part 310 is fixedly connected to the push-pull part fixing seat 308; the push-pull part fixing seat 308 is provided with a plurality of first through holes, and the second connecting plate is provided with a plurality of second through holes which are matched and overlapped with each other in a ground axis manner; preferably, when there is one first through hole, the positioning rod 309 connected to the push-pull portion 310 sequentially penetrates through the first through hole and the second through hole and is axially connected to the positioning block 107 to achieve a locking function; in a preferred embodiment of the present invention, the first through holes and the second through holes are two and are horizontally and symmetrically distributed on two sides of the push-pull portion 310, the number of the positioning rods 309 is two, and in order to reduce the number of the push-pull portion 310 and reduce the cost, and simultaneously lock a plurality of positioning rods 309, the improvement is made such that the push-pull portion fixing base 308 is a hollow structure, a push-pull plate 315 is disposed in the push-pull portion fixing base 308, a third through hole adapted to the first through hole and the second through hole is formed in the push-pull plate 315, the positioning rod 309 sequentially penetrates through the push-pull portion fixing base 308, the push-pull plate 315, and the second connecting plate, a connecting hole is further disposed in a middle portion of the push-pull plate 315, the push-pull portion 310 is fixedly connected to the push-pull plate 315 through the connecting hole, and the two positioning rods 309 are fixedly connected to the push-pull plate 315, the fixing manner may be that the positioning rod 309 has a threaded portion, the third through hole is a threaded through hole matching with the threaded portion, and is fixed on the push-pull plate 315 by screwing, or the positioning rod 309 passes through the third through hole and then is fixedly connected by welding, through the design, one push-pull part 310 can push the two positioning rods 309 to realize the function of synchronous and accurate positioning, meanwhile, the two positioning rods 309 can more effectively ensure that the positioning error of the aluminum profile finished product sawing sizing device is as small as possible, meanwhile, when the section to be cut is conveyed, the situation that the error is increased and even the waste floor is reported due to the fact that the strength of a single positioning rod is not enough and the deformation is easy to occur can be effectively avoided, and if the positioning rod with high strength is selected, the cost is increased, so that the sub-design can be well balanced in cost and efficiency. The push-pull portion 310 may be a commonly used push-pull standard component such as an air cylinder or an oil cylinder, and the oil cylinder and the air cylinder are commonly used standard components in the prior art, which are not described herein again.

The micro-motion structure is configured to adjust the position of the travelling mechanism 2 along the length direction of the frame 1 to move from the vicinity of a specified position to the specified position. The specified position is a preset distance taking the length of the profile required by the process as a standard, namely the distance between an adjusting plate of the baffle mechanism 4 and a cutter face of the sawing device, and when the adjusting plate is positioned at the end point of the preset distance, the positioning hole 107 which is in shaft fit connection with the locking hole of the positioning rod 309 is the specified position; in a normal situation, due to errors existing between the devices, when the positioning rod 309 is connected with the locking hole shaft of the positioning hole 107 at the designated position in a shaft matching manner, the adjusting plate is not located at an end point of a preset distance, and at this time, the adjusting plate is located near the designated position and needs to be adjusted by a micro-motion structure to ensure that the adjusting plate is located at the end point of the preset distance or within an error allowable range; this can be calculated by the specific size of the actual running gear and the specific parameters of the power structure, which are or can be obtained by the prior art, and will not be described herein again. Specifically, the micro-motion structure comprises a worm gear structure in meshed connection, the micro-motion structure achieves a large transmission ratio through the transmission of the worm 311, so that large graduation is obtained, the large graduation represents that positioning can be performed more accurately, and meanwhile, the worm gear structure has a self-locking function and can be self-locked when the motor works to prevent position errors caused by unnecessary positions; two ends of the worm 311 are rotatably connected with worm seats 312, the worm seats 312 are fixedly connected to a transverse plate of the walking body, one end of the worm 311, which is far away from the conveying device 5, is fixedly connected with a motor shaft of a second motor 314, and a housing of the second motor 314 is fixedly connected to the walking body through a motor fixing seat; the worm wheel 303 is fixedly sleeved on a positioning shaft 305, a part of the periphery of the positioning shaft 305 far away from the worm 311 is provided with threads, the first connecting plate is provided with a thread through hole in the same direction as the conveying direction of the conveying device, the positioning shaft 305 is in threaded connection with the first connecting plate, through the threaded connection, the movable connection of the locking structure and the micro-motion structure is realized, meanwhile, one end of the thread part of the positioning shaft 305 close to the worm wheel 303 is fixedly connected with a limit nut 306, the positioning shaft 305 is positioned between the worm wheel 303 and the limit nut 306 and is rotatably connected with a limit block 302, the limit block 302 is provided with a fourth through hole, the positioning shaft penetrates through the fourth through hole, the limit block 302 is connected to the bottom of a transverse plate of the walking body 201, and thrust bearings are respectively arranged between two ends of the limit block 302 and the worm wheel 303 and the limit nut 306, the thrust bearing can ensure that the positioning shaft 305 can still smoothly rotate when being subjected to axial force; the specific principle of the micro-motion structure is as follows: when the running mechanism 2 runs to the positioning hole 107 closest to the preset distance, the positioning rod 309 of the locking structure is in matched locking connection with the hole shaft of the positioning hole 107, so that the whole aluminum profile finished product sawing sizing device is fixed, at the moment, due to the fact that the equipment has an error, the adjusting plate is not in an end point of the preset distance or an error running range, at the moment, the fine adjustment structure conducts fine adjustment on the running mechanism, so that the position of the adjusting plate is adjusted, the worm 311 is driven to rotate through rotation of the second motor 314, so that the worm wheel 303 is driven to rotate, fine adjustment is conducted in a worm and gear transmission mode with high precision, due to the fact that the locking structure is positioned, the positioning shaft 305 in threaded connection with the slide rail seat rotates, so that displacement along the axial direction is generated, and the limiting nut 306 or the worm wheel 303 fixedly connected to the positioning shaft 305 pushes the limiting block 302 to move along the axial direction, thereby driving the running gear 2 to make fine adjustment.

Example two:

this embodiment should be understood to include at least all of the features of any of the embodiments described above and further explained on the basis thereof:

combine to practical application, this embodiment provides the application of fine motion adjustment positioner in aluminium alloy finished product saw cuts sizing apparatus and this aluminium alloy finished product saw cuts sizing apparatus's concrete structure, as follows:

a sawing and sizing device for aluminum profile finished products comprises a rack 1, a traveling mechanism 2, a positioning mechanism 3 (namely a micro-motion adjusting and positioning device of the application) and a baffle mechanism 4; wherein the content of the first and second substances,

in a preferred embodiment of the present invention, the frame 1 is disposed on one side of the conveying device 5 along the conveying direction; follow on the frame 1 the locating hole 107 that a plurality of equidistance set up is opened to frame 1 length direction, locating hole 107 is along horizontal direction perpendicular to conveyor's direction of delivery trompil, frame 1 still includes slide rail 106 and rack guide rail 104, slide rail 106 with rack guide rail 104 all follows frame 1 length direction extends to set up in on the frame 1, the height at rack guide rail 104 place is less than the height at slide rail 106 place, this is for the main part structural design of cooperation running gear 2.

In the preferred embodiment, the traveling mechanism 2 is configured to move on the frame 1 along the length direction of the frame 1; the walking mechanism 2 comprises a walking main body 201, an anti-deviation structure connected to the bottom of the walking main body 201, a power structure connected to the walking main body 201, and a first sliding block 203 connected to the walking main body 201; wherein the content of the first and second substances,

the walking main body 201 is similar to an inverted L-shaped structure and is formed by fixedly connecting a transverse plate and a vertical plate connected to one end of the bottom of the transverse plate through a fastener, the first sliding block 203 is fixedly connected to one end, far away from the vertical plate, of the bottom of the transverse plate, and the first sliding block 203 is in sliding connection with the sliding rail 106 in a matching manner; preferably, the first sliding blocks 203 are two and are respectively connected to two ends of the long side of the transverse plate, so that the design can ensure that the walking main body 201 and the sliding rail 106 are balanced in stress and the service life is prolonged; the transverse plate is provided with a first through groove which is designed to avoid interference with the positioning mechanism 3; the end, far away from the transverse plate, of the vertical plate is connected with the deviation prevention structures, the deviation prevention structures are four and consist of vertical plate wheels 205 and vertical plate wheel shafts 206 matched with the vertical plate wheels, the four deviation prevention structures are fixedly mounted on two sides of the bottom of the vertical plate through deviation prevention structure mounting seats 204, preferably, the four deviation prevention structures are symmetrically arranged on the bottom of the vertical plate, and the deviation prevention structures are configured to be arranged on two sides of the rack guide rail 104 and used for ensuring that the walking main body 201 is perpendicular to the horizontal plane; specifically, the outer surface of the vertical plate wheel 205 abuts against the side surface of the rack guide rail 104, and the vertical plate wheel 205 abutting against the side surface of the rack guide rail 104 ensures the overall verticality and levelness of the traveling body 201, thereby reducing errors.

The power structure is meshed with the rack guide rail 104 and is used for driving the walking main body 201 to reciprocate on the rack guide rail 104; specifically, the power structure comprises a gear 210 and a first motor 209 connected with the gear 210 through a first motor shaft, a shell of the first motor 209 is connected to the walking main body 201 through a first motor fixing seat 211, and a central line of the gear 210 is parallel to a horizontal plane; the gear 210 is meshed with the rack guide rail 104, and the gear 210 is ensured not to be separated from the rack guide rail 104 during movement through the deviation prevention structure;

the walking body 201 is provided with a space avoiding position matched with the gear 210, and the first motor shaft of the first motor 209, the space avoiding position and the central line of the gear 210 are all overlapped; the design ensures that the gravity center of the gear 210 and the gravity center of the vertical plate of the walking main body 201 are on the same vertical line, the baffle mechanism 4 arranged on the walking main body 201 is perpendicular to the transportation direction of the conveying device 5, so as to ensure the verticality, and thus the problem that the error range of a batch of cut sectional materials is inconsistent due to the fact that the verticality of the baffle mechanism 4 is not enough when a plurality of sectional materials are cut simultaneously is reduced, and the cut sectional materials are more seriously not up to standard.

In a preferred embodiment of the present invention, the baffle mechanism 4 is configured to be connected to the traveling mechanism 2, and is used for blocking the profile to be sawed and releasing the sawed profile; the baffle mechanism 4 comprises a rotating rod fixing seat 404 fixedly connected to the traveling mechanism 2, a rotating rod 402 rotatably connected with the rotating rod fixing seat 404, a positioning plate 401 fixedly connected to the rotating rod 402 and an adjusting plate 405 detachably and fixedly connected with the positioning plate 401; wherein the content of the first and second substances,

two rotating rod fixing seats 404 are arranged along the length direction of the traveling mechanism 2, the rotating rod 402 is rotatably connected between the two rotating rod fixing seats 404, the positioning plate 401 extends outwards perpendicular to the axis of the rotating rod 402, and in order to prevent the positioning plate 401 from being insufficient in strength, a rib plate is further connected between the positioning plate 401 and the rotating rod 402; the rotating rod 402 is further connected with a rotating portion 408 used for driving the rotating rod 402 to rotate, a shell of the rotating portion 408 is fixedly connected with the walking main body 201, the rotating portion 408 can be made of common standard parts such as an air cylinder or an oil cylinder, the sliding function can be changed into the rotating function by adding a joint matched with the piston head, and the oil cylinder, the air cylinder and the joint are used as common standard parts in the prior art and are not repeated herein.

The adjusting plate 405 is configured to be detachably and fixedly connected with the positioning plate 401 on one side, and abut against the profile when in operation, so as to adjust the distance between the positioning plate 401 and the profile to reduce errors. Specifically, a plurality of sizing rods 407 are fixedly connected to the adjusting plate 405, a fifth through hole adapted to the sizing rod 407 is formed in the positioning plate 401, the sizing rod 407 penetrates through the fifth through hole and is fixedly connected to the positioning plate 401 through a detachable fastener, and the distance between the adjusting plate 405 and the positioning plate 401 is adjusted by detaching and installing the fastener, so as to reduce errors.

In a preferred embodiment of the present invention, the positioning mechanism 3 is configured to be connected to the traveling mechanism 2, and is used for adjusting the position of the traveling mechanism 2 and fixing the traveling mechanism 2 to the frame 1 through the positioning mechanism 3; the positioning mechanism 3 comprises a locking structure and a micro-motion structure which are sequentially connected in the horizontal direction; wherein the content of the first and second substances,

The micro-motion structure is configured to adjust the position of the travelling mechanism 2 along the length direction of the frame 1 to move from the vicinity of a specified position to the specified position. The specified position is a preset distance taking the length of the profile required by the process as a standard, namely the distance between an adjusting plate of the baffle mechanism 4 and a cutter face of the sawing device, and when the adjusting plate is positioned at the end point of the preset distance, the positioning hole 107 which is in shaft fit connection with the locking hole of the positioning rod 309 is the specified position; in a normal situation, due to errors existing between the devices, when the positioning rod 309 is connected with the locking hole shaft of the positioning hole 107 at the designated position in a shaft matching manner, the adjusting plate is not located at an end point of a preset distance, and at this time, the adjusting plate is located near the designated position and needs to be adjusted by a micro-motion structure to ensure that the adjusting plate is located at the end point of the preset distance or within an error allowable range; this can be calculated by the specific size of the actual running gear and the specific parameters of the power structure, which are or can be obtained by the prior art, and will not be described herein again. Specifically, the micro-motion structure comprises a worm gear structure in meshed connection, the micro-motion structure achieves a large transmission ratio through the transmission of the worm 311, so that large graduation is obtained, the large graduation represents that positioning can be performed more accurately, and meanwhile, the worm gear structure has a self-locking function and can be self-locked when the motor works to prevent position errors caused by unnecessary positions; two ends of the worm 311 are rotatably connected with worm seats 312, the worm seats 312 are fixedly connected to a transverse plate of the walking body, one end of the worm 311, which is far away from the conveying device 5, is fixedly connected with a motor shaft of a second motor 314, and a housing of the second motor 314 is fixedly connected to the walking body through a motor fixing seat; the worm wheel 303 is fixedly sleeved on a positioning shaft 305, a part of the periphery of the positioning shaft 305 far away from the worm 311 is provided with threads, the first connecting plate is provided with a thread through hole in the same direction as the conveying direction of the conveying device, the positioning shaft 305 is in threaded connection with the first connecting plate, through the threaded connection, the movable connection of the locking structure and the micro-motion structure is realized, meanwhile, one end of the thread part of the positioning shaft 305 close to the worm wheel 303 is fixedly connected with a limit nut 306, the positioning shaft 305 is positioned between the worm wheel 303 and the limit nut 306 and is rotatably connected with a limit block 302, the limit block 302 is provided with a fourth through hole, the positioning shaft penetrates through the fourth through hole, the limit block 302 is connected to the bottom of a transverse plate of the walking body 201, and thrust bearings are respectively arranged between two ends of the limit block 302 and the worm wheel 303 and the limit nut 306, the thrust bearing can ensure that the positioning shaft 305 can still smoothly rotate when being subjected to axial force; the specific principle of the micro-motion structure is as follows: when the running mechanism 2 runs to the positioning hole 107 closest to the preset distance, the positioning rod 309 of the locking structure is in matched locking connection with the hole shaft of the positioning hole 107, so that the whole aluminum profile finished product sawing sizing device is fixed, at the moment, due to the fact that the equipment has an error, the adjusting plate is not in an end point of the preset distance or an error running range, at the moment, the fine adjustment structure conducts fine adjustment on the running mechanism, so that the position of the adjusting plate is adjusted, the worm 311 is driven to rotate through rotation of the second motor 314, so that the worm wheel 303 is driven to rotate, fine adjustment is conducted in a worm and gear transmission mode with high precision, due to the fact that the locking structure is positioned, the positioning shaft 305 in threaded connection with the slide rail seat rotates, so that displacement along the axial direction is generated, and the limiting nut 306 or the worm wheel 303 fixedly connected to the positioning shaft 305 pushes the limiting block 302 to move along the axial direction, thereby driving the running gear 2 to perform fine adjustment.

In a preferred embodiment, the conveyor device 5 comprises an exit roller frame 501 and several sets of conveyor assemblies connected to the exit roller frame 501, the conveyor assemblies being configured to convey the profile from the previous station to the next station. The conveying assembly includes two roller bearing blocks 503 connected to two sides of the discharging roller frame 501 and a discharging roller 502 connected between the two roller bearing blocks, and the conveying device 5 is a common prior art or can be implemented by the prior art, so that the details are not repeated.

Example three:

the embodiment also provides an aluminum product fixed cutting method applied to an aluminum profile finished product sawing and sizing device with a micro-motion adjusting and positioning device, which comprises the following steps:

(1) calibration 1: placing a standard section between the sawing sizing device and the finished aluminum profile product, wherein one side of the standard section is tightly attached to a cutter face of the sawing sizing device, and adjusting the distance between the sawing sizing device and the finished aluminum profile product so that the sawing sizing device is close to the standard section;

(2) and (3) calibration 2: finely adjusting the sawing sizing device through a micro-motion structure of the positioning mechanism so that the positioning hole is matched with the positioning rod of the locking structure to lock the sawing sizing device on the frame, adjusting an adjusting plate on the sawing sizing device so that the adjusting plate abuts against the other side of the standard section, fixing the position of the adjusting plate, and taking away the standard section;

(3) and (3) cutting: the conveying device conveys the section bar to abut against the adjusting plate, the conveying device stops, and the sawing device performs fixed cutting on the section bar in the vertical direction;

(4) conveying: the baffle mechanism is lifted to release the cut section, the conveying device is started, the section to be cut and the cut section simultaneously move to the next station, and the baffle mechanism falls down to block the conveyed section to be cut;

the aluminum material cutting method optionally further comprises the following steps:

(5) and (5) repeating the step (3) and the step (4) in sequence until the task is completed.

In conclusion, the invention provides the fine adjustment device, by using the device, the accurate positioning fine adjustment operation can be realized, the requirement of positioning first and then fine adjustment can be met, and the waste caused by inaccurate positioning is reduced; meanwhile, the automation degree of the whole structure is high, and unnecessary errors caused by manual operation are reduced; and through using this device, fix a position through the locking structure earlier, rethread fine motion structure adjustment small range's deviation value has greatly improved positioning accuracy, effectively improves the automation.

In the above embodiments, the descriptions of the respective embodiments have respective emphasis, and reference may be made to the related descriptions of other embodiments for parts that are not described or illustrated in a certain embodiment.

The above examples are to be construed as merely illustrative and not limitative of the remainder of the disclosure. After reading the description of the invention, the skilled person can make various changes or modifications to the invention, and these equivalent changes and modifications also fall into the scope of the invention defined by the claims.

Claims

1. A micro-motion adjusting and positioning device is connected with a travelling mechanism, is used for fixing the position of the travelling mechanism and can perform micro-motion adjustment on the fixed travelling mechanism, and is characterized by comprising a locking structure and a micro-motion structure which are sequentially connected along the horizontal direction; wherein the content of the first and second substances,

the locking structure is configured to be provided with a positioning rod and used for selecting the nearest positioning hole to be matched and connected with a positioning rod hole shaft for locking when the travelling mechanism moves to the position near the designated position;

the micro-motion structure is configured to adjust the position of the walking mechanism to move from the vicinity of a specified position to the specified position;

the walking mechanism is configured to move on the frame along the length direction of the frame; the walking mechanism comprises a walking main body, a power structure connected to the walking main body and a first sliding block connected to the walking main body; the rack is arranged on one side of the conveying device along the conveying direction; the rack is provided with a plurality of positioning holes which are arranged at equal intervals along the length direction of the rack, the positioning holes are horizontally opened in a direction perpendicular to the conveying direction of the conveying device, the rack further comprises a slide rail and a rack guide rail, and the slide rail and the rack guide rail are both arranged on the rack in an extending manner along the length direction of the rack;

the walking main body is formed by fixedly connecting a transverse plate and a vertical plate connected to one end of the bottom of the transverse plate through a fastener, the first sliding block is fixedly connected to one end, far away from the vertical plate, of the bottom of the transverse plate, and the first sliding block is in sliding connection with the sliding rail in a matching manner;

the power structure is meshed with the rack guide rail and is used for driving the walking main body to reciprocate on the rack guide rail;

the locking structure further comprises a push-pull part connected with the positioning rod, and the push-pull part is configured to push out and pull back the positioning rod;

the locking structure further comprises a slide rail seat, the slide rail seat comprises a horizontal plate, a first connecting plate and a second connecting plate which are sequentially connected from top to bottom, the bottom of the horizontal plate is connected with a second sliding block, and the second sliding block is in sliding connection with a sliding rail on the rack in a matching manner;

the first connecting plate is arranged vertically to the ground, one end of the first connecting plate is connected to one end of the bottom of the horizontal plate, the other end of the first connecting plate is connected with the second connecting plate, one side, away from the conveying device, of the second connecting plate is connected with a push-pull part fixing seat, and an outer shell of the push-pull part is fixedly connected to the push-pull part fixing seat;

the push-pull part fixing seat is provided with a plurality of first through holes, and the second connecting plate is provided with a plurality of second through holes which are coincided with the axes of the first through holes in a matching manner;

the push-pull part fixing seat is of a hollow structure, a push-pull plate is arranged in the push-pull part fixing seat, a third through hole matched with the first through hole and the second through hole is formed in the push-pull plate, the positioning rod sequentially penetrates through the push-pull part fixing seat, the push-pull plate and the second connecting plate, a connecting hole is further formed in the middle of the push-pull plate, the push-pull part is fixedly connected with the push-pull plate through the connecting hole, and the two positioning rods are fixedly connected with the push-pull plate;

the micro-motion structure comprises a worm gear structure in meshed connection, the worm gear structure comprises a worm wheel and a worm in meshed connection, two ends of the worm are rotatably connected with worm seats, the worm seats are fixedly connected to a transverse plate of the walking main body, one end of the worm is fixedly connected with a motor shaft of a second motor, and a shell of the second motor is fixedly connected to the walking main body through a motor fixing seat; the worm wheel is fixedly sleeved on a positioning shaft, a part of the periphery of the positioning shaft, which is far away from the worm, is provided with threads, the first connecting plate is provided with a threaded through hole matched with the positioning shaft, and the positioning shaft is in threaded connection with the first connecting plate;

the threaded part of location axle is close to one of worm wheel serves fixedly connected with stop nut, the location axle is located the worm wheel with rotate between the stop nut and be connected with the stopper, it has the fourth through-hole to open on the stopper, the location axle runs through the fourth through-hole, the stopper is connected in the bottom of the diaphragm of walking main part.

2. The fine adjustment positioning device as claimed in claim 1, wherein thrust bearings are respectively disposed between two ends of the limiting block and the worm wheel and between two ends of the limiting block and the limiting nut.