CN114367852A

CN114367852A - Automatic positioning method for workpiece reference surface

Info

Publication number: CN114367852A
Application number: CN202111493710.9A
Authority: CN
Inventors: 陈志帆
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-04-19

Abstract

The invention discloses an automatic positioning method for a workpiece reference surface, which comprises a fixed base, wherein the bottom of the fixed base is fixedly connected with a touch plate, two sides of the bottom of an inner cavity of the touch base are fixedly connected with connecting supports, the top of each connecting support is provided with a balance plate, and the middle parts of the inner walls of two sides of the fixed base are provided with fixing devices. According to the automatic positioning method for the workpiece reference surface, the device can be fixed by the abutting plate, so that the device is not easy to stably move in working, the mounting plate can guarantee the contact positioning space on the surface of the working platform, meanwhile, the contact surface of the device is in a balanced state, the workpiece can be ensured to be in close contact with the device, the mounting supporting plate avoids the direct contact between the positioning mechanism and the working platform, the fixed workpiece is convenient to protect, the movement of positioning points can be effectively prevented when the thin workpiece is processed, and the processing efficiency is improved.

Description

Automatic positioning method for workpiece reference surface

Technical Field

The invention relates to the technical field of machining, in particular to an automatic positioning method for a workpiece reference surface.

Background

The common product or workpiece is a hexahedron or polyhedron structure, and the machining surface and the datum surface (the so-called datum surface is a surface which is relatively fixed relative to a machine tool (or a fixture) in the machined workpiece, and the surface for determining the sizes of other points, lines, surfaces and the like is a zero reference surface for measurement and a starting point for marking other sizes) do not form a strict vertical or flat relation, but because the thicknesses of parts of the workpiece are different, the workpiece is easy to have the conditions of high operation difficulty and instability during machining, and stress points are easy to elastically deform, so that positioning points are displaced, and the machining efficiency is reduced.

In summary, due to the difference in thickness of some workpieces, the workpieces are prone to have great difficulty and instability during machining, and the stress point is prone to elastic deformation, so that the positioning point is displaced, and the machining efficiency is reduced.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides an automatic positioning method for a workpiece reference surface, which solves the problems that the thickness of part of workpieces is different, the workpieces are easy to have large operation difficulty and unstable conditions during processing, and stress points are easy to elastically deform, so that positioning points are displaced and the processing efficiency is reduced.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a method for automatically positioning a reference surface of a workpiece comprises the following steps:

the method comprises the following steps: mounting the device on a working machine, and placing an object on the surface of the device to prepare for starting the device to work;

step two: conveying the workpiece to a balanced reference surface, and doubly ensuring accurate fixation through a positioning mechanism and an auxiliary mechanism;

step three: the fixation in the second step is positioned on the same reference surface, and mutual protection support can be carried out; utilize positioning mechanism and complementary unit, can realize dual location and can mutually support at the during operation, be convenient for control the deformation slope that the work piece appears, the reference surface through the machined part can closely laminate with the standard face of device for the fixed position of device has the suitability, and the processing of different work pieces can be realized to the position of dual location part, can protect device self, has improved the accuracy and the work efficiency of whole working process.

Step four: contacting the protective supporting force in the third step with the workpiece, so that the surface of the device does not dent when contacting the workpiece;

step five: and C, applying the supporting force, the inertia force and the pressure on the machined part in the step four to the device, wherein the machined part can be in a matched state during machining, and the object at the machined part is in good condition.

Preferably, the automatic positioning method for the workpiece reference surface comprises a fixing base, wherein a touch plate is fixedly connected to the bottom of the fixing base, connecting supports are fixedly connected to two sides of the bottom of an inner cavity of the touch base, a balance plate is arranged at the top of each connecting support, outer walls of two sides of the balance plate penetrate through the connecting supports and extend to the inside of the connecting supports, and fixing devices are arranged in the middle of inner walls of two sides of the fixing base.

Preferably, fixing device includes work platform, work platform's top intermediate position fixedly connected with installation layer board, the top intermediate position fixedly connected with positioning mechanism of installation layer board, work platform's top is located the both sides fixedly connected with complementary unit of installation layer board, work platform's top is located complementary unit's both sides fixedly connected with mounting panel, has avoided positioning mechanism and work platform's direct contact through the installation layer board, is convenient for protect fixed work piece to machining efficiency has been improved.

Preferably, positioning mechanism includes the locating rack, the positive top both sides fixedly connected with contact piece of locating rack, the both sides outer wall fixedly connected with alignment jig of locating rack, the inner chamber bottom of alignment jig is provided with the location guide block, one side that the locating rack was kept away from to the location guide block is provided with the guide bar, supports its unsettled position when the locating rack contacts the work piece through the guide bar to avoided the work piece stress point to warp and lead to the position of device processing to appear the deviation, guaranteed the accuracy of locating position.

Preferably, the complementary unit includes the protecting crust, the both sides inner wall top of protecting crust is provided with the extrusion piece, the cab apron is crossed to the bottom fixedly connected with of extrusion piece, the top intermediate position of crossing the cab apron is provided with sealed piece, the bottom fixedly connected with fastening device who crosses the cab apron can extend the motion through the extrusion piece to increase the area of contact of self, further increased the intensity of extrusion piece self, be favorable to prolonging the life of self, be convenient for reduce the problem that appears rocking man-hour.

Preferably, the fastening mechanism includes the atress body, the top both sides of the atress body all are provided with the clamping bar, the inner chamber bottom intermediate position of the atress body is provided with the support guide pillar, the inner chamber bottom of the atress body is located the firm ring of support guide pillar both sides fixedly connected with, the both sides inner wall fixedly connected with lifter of firm ring can share for the atress body through the clamping bar, is convenient for guarantee surperficial plastics are balanced, and the lifter of inside setting can advance the increase holding surface under the protection of firm ring when receiving the impact force.

Preferably, the bottom of the supporting guide pillar penetrates through the force-bearing body and extends to the outside of the force-bearing body.

Preferably, one end of the guide rod close to the positioning frame penetrates through the positioning guide block.

Preferably, both sides of the bottom of the working platform are provided with power parts.

(III) advantageous effects

The invention provides an automatic positioning method for a workpiece reference surface. The method has the following beneficial effects:

according to the automatic positioning method for the datum plane of the workpiece, through the utilization of the positioning mechanism and the auxiliary mechanism, dual positioning can be achieved, the workpiece can be matched with each other during working, deformation and inclination of the workpiece can be controlled conveniently, the datum plane of a machined part can be tightly attached to the standard surface of the device, the fixed position of the device is made to have applicability, the position of the dual positioning part can achieve machining of different workpieces, the device can be protected, and accuracy and working efficiency of the whole working process are improved.

The workpiece reference surface automatic positioning method comprises the steps of (II) setting a touch plate, a balance plate, a mounting plate and a positioning mechanism, wherein the touch plate can fix a device under the condition that the workpiece is in contact with the surface of the device, so that the device is not easy to stably move in the working process, the mounting plate can guarantee the contact positioning space on the surface of a working platform, meanwhile, the contact surface of the device is in a balanced state, the workpiece can be ensured to be in close contact with the device, the mounting supporting plate avoids the direct contact between the positioning mechanism and the working platform, the fixed workpiece is convenient to protect, the movement of positioning points in the machining process of the thin workpiece can be effectively prevented, and the machining efficiency is improved.

The workpiece reference surface automatic positioning method has the advantages that under the condition that the device is stressed and supported, the supporting guide pillar can fix the device, meanwhile, the contact area of the device is reduced, abrasion of the device during moving is effectively reduced while stability is not affected, the fastening rod can share the stressed body, surface plastic balance is guaranteed conveniently, the lifting piece arranged inside can increase the supporting surface under the protection of the stabilizing ring when impact force is applied, and surface contact uniformity and stability are guaranteed.

The automatic positioning method for the workpiece reference surface comprises the following steps that when the two sides of the workpiece contact device are in a suspended state, the extrusion block can move in an extending mode, the contact area of the extrusion block is increased, the sealing block can guarantee that the extrusion block has a certain amount of support under the condition of internal movement, the strength of the extrusion block is further increased, the self service life is prolonged, the transition plate is in contact with the fastening mechanism, the device is enabled to be adjusted to have a stress surface, and the problem of shaking during machining is solved.

According to the automatic positioning method for the workpiece reference surface, when the surface of the device is in contact with a workpiece, the guide rod supports the suspended position of the guide rod when the positioning frame is in contact with the workpiece, so that the situation that the stress point of the workpiece deforms to cause deviation of the position processed by the device is avoided, meanwhile, different conditions of the workpiece can be adjusted, the stability of the device is guaranteed, the operation difficulty of the device in processing different workpieces is reduced, the positioning range of the device is enlarged by the contact block, and the accuracy of the positioning position is guaranteed.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the present invention as a whole;

FIG. 3 is a schematic structural view of the fixing device of the present invention;

FIG. 4 is a schematic structural diagram of the positioning mechanism of the present invention;

FIG. 5 is a schematic structural view of the auxiliary mechanism of the present invention;

fig. 6 is a schematic structural view of the fastening mechanism of the present invention.

In the figure: 1 touch plate, 2 fixed base, 3 balance plate, 4 fixing device, 41 mounting plate, 42 working platform, 43 mounting pallet, 44 positioning mechanism, 441 positioning frame, 442 contact block, 443 adjusting frame, 444 positioning guide block, 445 guide rod, 45 auxiliary mechanism, 451 protective shell, 452 fastening mechanism, d1 stress body, d2 fastening rod, d3 stabilizing ring, d4 lifting piece, d5 supporting guide post, 453 transition plate, 454 sealing block, 455 extrusion block and 5 connecting bracket.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The first embodiment is as follows:

referring to fig. 1, the present invention provides a technical solution: a method for automatically positioning a reference surface of a workpiece comprises the following steps:

Example two:

referring to fig. 1-3, on the basis of the first embodiment, the present invention provides a technical solution: the automatic positioning method for the workpiece reference surface comprises a fixing base 2, wherein a touch plate 1 is fixedly connected to the bottom of the fixing base 2, connecting supports 5 are fixedly connected to two sides of the bottom of an inner cavity of the touch base 2, a balance plate 3 is arranged at the top of each connecting support 5, outer walls of two sides of each balance plate 3 penetrate through the corresponding connecting support 5 and extend into the corresponding connecting support 5, and fixing devices 4 are arranged in the middles of inner walls of two sides of the fixing base 2.

Wherein, fixing device 4 includes work platform 42, and work platform 42's top intermediate position fixedly connected with installation supporting plate 43, installation supporting plate 43's top intermediate position fixedly connected with positioning mechanism 44, work platform 42's top is located the both sides fixedly connected with complementary unit 45 of installation supporting plate 43, and work platform 42's top is located complementary unit 45's both sides fixedly connected with mounting panel 41.

During the use, under the condition that the work piece contacted the device surface, conflict board 1 can be fixed the device for the device is difficult for appearing stable removal at the during operation, and mounting panel 41 can guarantee the contact location space on work platform 42 surface, ensures that the work piece can with device in close contact with, is convenient for protect fixed work piece, can effectually prevent that thinner work piece from appearing the removal of setpoint when adding man-hour, thereby has improved machining efficiency.

Example three:

referring to fig. 1-4, on the basis of the first embodiment and the second embodiment, the present invention provides a technical solution: the positioning mechanism 44 comprises a positioning frame 441, contact blocks 442 are fixedly connected to two sides of the top of the front face of the positioning frame 441, an adjusting frame 443 is fixedly connected to the outer walls of two sides of the positioning frame 441, a positioning guide block 444 is arranged at the bottom of an inner cavity of the adjusting frame 443, and a guide rod 445 is arranged on one side, away from the positioning frame 441, of the positioning guide block 444.

When the device is used, when the surface of the device is in contact with a workpiece, the guide rod 444 supports the suspended part of the positioning frame 441 when the positioning frame is in contact with the workpiece, so that the phenomenon that the stress point of the workpiece deforms to cause deviation of the processing position of the device is avoided, the operation difficulty of the device in processing different workpieces is reduced, the positioning range of the device is enlarged by the contact block 442, and the accuracy of the positioning position is ensured.

Example four:

referring to fig. 1 to 6, on the basis of the first embodiment, the second embodiment and the third embodiment, the present invention provides a technical solution: the auxiliary mechanism 45 comprises a protective shell 451, wherein the tops of the inner walls of the two sides of the protective shell 451 are provided with extrusion blocks 455, the bottoms of the extrusion blocks 455 are fixedly connected with a transition plate 453, the middle position of the top of the transition plate 453 is provided with a sealing block 454, and the bottom of the transition plate 453 is fixedly connected with a fastening mechanism 452.

The fastening mechanism 452 comprises a force-bearing body d1, fastening rods d2 are arranged on two sides of the top of the force-bearing body d1, a supporting guide post d5 is arranged in the middle of the bottom of an inner cavity of the force-bearing body d1, stabilizing rings d3 are fixedly connected to two sides of the inner cavity of the force-bearing body d1 at two sides of the supporting guide post d5, and lifting pieces d4 are fixedly connected to inner walls of two sides of the stabilizing ring d 3.

During the use, under the condition that the device carries out the atress and supports, support guide pillar d5 can be fixed the device, and the effectual wearing and tearing when lightening the device and removing when not influencing stability ensure that surface contact's is even and stable, and extrusion piece 455 can extend the motion to increase the area of contact of self, further increased the intensity of extrusion piece self, make the adjustment of device have the stress surface, be convenient for reduce the problem that appears rocking man-hour.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. The term "comprising", without further limitation, means that the element so defined is not excluded from the group consisting of additional identical elements in the process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A method for automatically positioning a reference surface of a workpiece is characterized by comprising the following steps: the method comprises the following steps:

step three: the fixation in the second step is positioned on the same reference surface, and mutual protection support can be carried out;

2. The automatic positioning method for the reference surface of the workpiece comprises a fixed base (2), and is characterized in that: the bottom fixedly connected with of fixed baseplate (2) is to touch panel (1), support the equal fixedly connected with linking bridge (5) in inner chamber bottom both sides of fixed baseplate (2), the top of linking bridge (5) is provided with balance plate (3), the inside that linking bridge (5) just extended to linking bridge (5) is all run through to the both sides outer wall of balance plate (3), the both sides inner wall middle part of fixed baseplate (2) is provided with fixing device (4).

3. The automatic positioning method of the reference surface of the workpiece according to claim 2, characterized in that: fixing device (4) include work platform (42), the top intermediate position fixedly connected with installation supporting plate (43) of work platform (42), the top intermediate position fixedly connected with positioning mechanism (44) of installation supporting plate (43), the top of work platform (42) is located both sides fixedly connected with complementary unit (45) of installation supporting plate (43), the top of work platform (42) is located both sides fixedly connected with mounting panel (41) of complementary unit (45).

4. The automatic positioning method of the reference surface of the workpiece according to claim 3, characterized in that: the positioning mechanism (44) comprises a positioning frame (441), contact blocks (442) are fixedly connected to two sides of the top of the front face of the positioning frame (441), adjusting frames (443) are fixedly connected to outer walls of two sides of the positioning frame (441), positioning guide blocks (444) are arranged at the bottoms of inner cavities of the adjusting frames (443), and guide rods (445) are arranged on one sides, away from the positioning frame (441), of the positioning guide blocks (444).

5. The automatic positioning method of the reference surface of the workpiece according to claim 3, characterized in that: the auxiliary mechanism (45) comprises a protective shell (451), wherein extrusion blocks (455) are arranged on the tops of the inner walls of two sides of the protective shell (451), a transition plate (453) is fixedly connected to the bottom of the extrusion blocks (455), a sealing block (454) is arranged in the middle of the top of the transition plate (453), and a fastening mechanism (452) is fixedly connected to the bottom of the transition plate (453).

6. The automatic positioning method of the reference surface of the workpiece according to claim 5, characterized in that: the fastening mechanism (452) comprises a stress body (d1), fastening rods (d2) are arranged on two sides of the top of the stress body (d1), a supporting guide pillar (d5) is arranged in the middle of the bottom of an inner cavity of the stress body (d1), stabilizing rings (d3) are fixedly connected to two sides of the supporting guide pillar (d5) at the bottom of the inner cavity of the stress body (d1), and lifting pieces (d4) are fixedly connected to inner walls of two sides of each stabilizing ring (d 3).

7. The automatic positioning method of the reference surface of the workpiece according to claim 6, characterized in that: the bottom of the supporting guide pillar (d5) penetrates through the stress body (d1) and extends to the outside of the stress body (d 1).

8. The automatic positioning method of the reference surface of the workpiece according to claim 4, characterized in that: one end of the guide rod (445) close to the positioning frame (441) penetrates through the positioning guide block (444).

9. The automatic positioning method of the reference surface of the workpiece according to claim 3, characterized in that: and power parts are arranged on two sides of the bottom of the working platform (42).