CN114650403A

CN114650403A - Projection device and projection positioning equipment

Info

Publication number: CN114650403A
Application number: CN202011520783.8A
Authority: CN
Inventors: 徐健; 吕中广; 林建煌; 陈昊; 阮明
Original assignee: Guangdong Bozhilin Robot Co Ltd
Current assignee: Guangdong Bozhilin Robot Co Ltd
Priority date: 2020-12-21
Filing date: 2020-12-21
Publication date: 2022-06-21

Abstract

The invention relates to the technical field of projection positioning, in particular to a projection device and projection positioning equipment. The projection device includes: a mounting frame; the slide mechanism is arranged on the mounting rack and comprises a bearing piece, a plurality of bearing positions for placing the graphic carriers are arranged on the bearing piece, and the bearing piece can move relative to the mounting rack so as to enable any bearing position to move to a designated position; the projection mechanism is arranged on the mounting frame and comprises a light beam emitting assembly, the light beam emitting assembly can emit light beams and can be in butt joint with the graphic carrier at the designated position. Through the relative support body removal of carrier, can realize the cooperation of different figure carriers and light beam emission subassembly to the different projection figures of automatic switch-over need not input the drawing in software system, can simplify software system's structure and control process, are favorable to reducing projection arrangement's cost.

Description

Projection device and projection positioning equipment

Technical Field

The invention relates to the technical field of projection positioning, in particular to a projection device and projection positioning equipment.

Background

In the process of manufacturing the prefabricated laminated floor slab, the placing and positioning mode of the embedded part mainly adopts laser automatic projection of a CAD graph, and compared with the traditional operation modes of manual tape measure measurement, machine line drawing and the like for positioning the position of the embedded part, the efficiency of laser automatic projection of the CAD graph is high, and the maintenance cost is low.

At present, the automatic laser projection of a CAD graph is to input CAD drawings of all embedded parts in a software system, and then to match the drawings corresponding to the drawings in the software system according to a ratio of 1:1 ratio is projected onto the stage. Due to the different shapes and sizes of the embedded parts required in the process of manufacturing the prefabricated composite floor slab, a software system and a hardware system are complex, and equipment price is very high.

Disclosure of Invention

The invention aims to provide a projection device and projection positioning equipment, which can realize the switching of different projection graphs and are beneficial to reducing the cost.

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

a projection device, comprising:

a mounting frame;

the slide mechanism is arranged on the mounting rack and comprises a bearing piece, a plurality of bearing positions for placing the graphic carriers are arranged on the bearing piece, and the bearing piece can move relative to the mounting rack so as to enable any bearing position to move to a designated position;

the projection mechanism is arranged on the mounting frame and comprises a light beam emission assembly, the light beam emission assembly can emit light beams and can be matched with the graphic carrier at the designated position.

In the projection device, different bearing positions to the designated positions can be switched by moving the bearing part relative to the frame body, and the butt joint of different graphic carriers and the light beam emission assembly is realized by the switching assembly, so that different projection graphics can be automatically switched without inputting drawings in a software system, the structure and the control process of the software system can be simplified, and the cost of the projection device is favorably reduced.

The slide glass mechanism further comprises a rotary driving assembly, the rotary driving assembly is arranged on the mounting frame and used for driving the bearing pieces to rotate relative to the mounting frame, the bearing positions are wound around the rotating center of the bearing pieces and are arranged in a circular mode, and the designated positions are located on the rotating track of the bearing positions.

Through being circular arrangement with a plurality of positions that bear, can satisfy every and bear the position homoenergetic and remove to the basis of assigned position, required space when reducing and bear the relative mounting bracket of thing and remove to reduce the space that projection arrangement need occupy.

Each bearing position is provided with a light passing hole, and a light beam emergent port of the light beam emitting assembly is located above the designated position.

Through setting up the light-emitting hole for hold carrier and light beam emission subassembly and need not dodge each other, be favorable to simplifying projection arrangement's structure, further reduce projection arrangement's cost.

Wherein, the projection mechanism still includes:

the height adjusting assembly can drive the light beam emitting assembly and the matched graphic carrier to synchronously lift; and/or

The angle adjusting assembly can drive the light beam emitting assembly and the matched pattern carrier to synchronously rotate around the central line of the light beam emitted by the light beam emitting assembly.

The projection height can be adjusted through the height adjusting assembly, so that 1:1 accurate throwing is realized; the projection angle can be adjusted by arranging the angle adjusting assembly, and the positioning precision is improved.

The projection mechanism further comprises a switching assembly, wherein the switching assembly can be used for butting the graphic carrier at the specified position with the light beam emission assembly and placing the graphic carrier butted with the light beam emission assembly on the bearing position at the specified position.

The butt joint of the pattern carrier and the light beam emitting assembly can be realized by arranging the switching assembly, and the synchronous lifting and the rotation of the pattern carrier and the light beam emitting assembly can be realized.

The switching assembly comprises a lifting driving piece and an adsorption piece, the adsorption piece is used for adsorbing the pattern carrier, and the lifting driving piece can drive the adsorption piece to lift so as to butt joint the pattern carrier with the light beam emission assembly or place the pattern carrier into the bearing position.

By fixing the pattern carrier by adsorption, the damage of the pattern carrier can be avoided.

And one of the switching component and the graphic carrier is provided with a second positioning column, and the other is provided with a second positioning hole matched with the second positioning column.

And the positioning precision of the graphic carrier and the switching component is improved through the matching of the second positioning hole and the second positioning column.

One of the bottom surface of the graphic carrier and the top surface of the bearing position is provided with a first positioning hole, the other one of the bottom surface of the graphic carrier and the top surface of the bearing position is provided with a first positioning column matched with the first positioning hole, and the first positioning hole and the bearing position or the center of the graphic carrier are eccentrically arranged.

Through the cooperation of first reference column and first locating hole, can improve the stability of figure carrier in bearing the weight of the position, and can guarantee certain angle of placing, convenient and light beam emission subassembly dock fast.

The shape of the first positioning column is matched with that of the first positioning hole, and the section area of the first positioning hole is gradually reduced along the insertion direction of the first positioning column.

Through the change of the cross section areas of the first positioning column and the first positioning hole, the smooth matching of the first positioning column and the first positioning hole is favorably ensured.

A projection positioning device comprises a mold table, a support and the projection device, wherein the projection device is arranged on the support and can project to the mold table.

The projection positioning equipment can realize projection positioning through the matching of the graphic carrier and the light beam emission assembly, and has the advantages of simple structure and low cost.

The projection positioning equipment further comprises a translation driving mechanism, and the translation driving mechanism can drive the projection device to move along the X direction and the Y direction relative to the support.

The projection device can project at any position on the mold table through the translation driving mechanism, and the projection positioning precision is high.

Has the advantages that: the invention provides a projection device and projection positioning equipment. In the projection device, different bearing positions can be switched to the designated positions through the relative movement of the bearing part and the support body, and the matching of different graphic carriers and the light beam emission assembly is realized, so that different projection graphics are automatically switched, a drawing does not need to be input in a software system, the structure and the control process of the software system can be simplified, and the cost of the projection device is favorably reduced.

Drawings

FIG. 1 is a schematic diagram of a projection positioning system according to the present invention;

FIG. 2 is a schematic structural diagram of a projection apparatus provided in the present invention;

FIG. 3 is a schematic view of the structure of a slide glass provided by the present invention;

FIG. 4 is a schematic structural diagram of a graphic carrier provided by the present invention;

FIG. 5 is a cross-sectional view of a graphic carrier provided by the present invention;

FIG. 6 is an exploded view of the slide mechanism provided by the present invention;

FIG. 7 is a schematic structural diagram of a slide mechanism provided by the present invention;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a schematic structural diagram of a projection mechanism provided by the present invention;

FIG. 10 is a cross-sectional view of a projection mechanism provided by the present invention;

FIG. 11 is a schematic structural diagram of a Y-direction driving assembly provided by the present invention;

fig. 12 is a schematic structural diagram of an X-direction driving assembly provided by the present invention.

Wherein:

1. a mould table; 2. a support; 3. a translation drive mechanism; 31. a Y-direction drive assembly; 311. a Y-direction sliding table; 312. a Y-direction guide rail; 313. a Y-direction rack; 314. a Y-direction gear; 315. a Y-direction motor; 316. a Y-direction speed reducer mounting plate; 317. an adjusting block; 318. a pulling member; 319. a pusher member; 32. an X-direction driving component; 321. an X-direction beam; 322. a first X-direction guide rail; 323. a second X-direction guide rail; 324. an X-direction motor; 325. an X-direction gear; 326. an X-direction rack; 4. a projection device; 41. a mounting frame; 411. a vertical plate; 412. a transverse plate; 42. a slide mechanism; 421. a carrier; 4211. a bearing groove; 4212. a light passing hole; 4213. a first positioning post; 422. a graphic carrier; 4221. a base; 42211. a base plate; 42212. a light guide sleeve; 4222. a cover plate; 42221. a first positioning hole; 4223. glass slide; 42231. a light-transmitting pattern region; 4224. a magnetic member; 42241. a second positioning hole; 423. a rotary drive assembly; 4231. a rotary motor mounting plate; 4232. a rotary motor; 43. a projection mechanism; 431. a light beam emitting assembly; 4312. an infrared generator; 4311. a protective cover; 43111. a cover body; 43112. an end cap; 42113. a convex column; 432. a height adjustment assembly; 4321. a Z-direction guide rail; 4322. a Z-direction sliding block; 4323. a Z-direction driving member; 433. an angle adjustment assembly; 4331. an angle adjustment mounting plate; 4332. rotating the platform; 434. a switching component; 4341. a lifting drive member; 4342. an adsorbing member.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly and encompass, for example, both fixed and removable connections; can be mechanically or electrically connected; 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.

Unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first feature being in direct contact with the second feature, and may also include the recitation of the first feature being in contact with the second feature, but rather being in contact with the additional feature between them. 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.

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 1, this embodiment provides a projection positioning device, including mould platform 1, support 2 and projection arrangement 4 of setting on support 2, projection arrangement 4 can be to the projection on mould platform 1, the projection position is the position of laying of the work piece of undetermined location, the staff will be undetermined location the work piece place in the projection can, do not need the staff to rule out the lofting on mould platform 1, greatly reduced the manpower, the time is saved, and can find the mounted position fast when the staff operates, need not or less technical staff guides the operation, and is simple and efficient.

The projection positioning device can be used for placing and positioning embedded parts in the process of prefabricating the laminated floor slab, but is not limited to the placement and positioning. In this embodiment, the workpiece to be positioned is an embedded part.

As shown in fig. 2, the projection apparatus 4 includes a mounting frame 41, a slide mechanism 42 and a projection mechanism 43, the slide mechanism 42 and the projection mechanism 43 are both disposed on the mounting frame 41, a pattern carrier 422 is disposed on the slide mechanism 42, the projection mechanism 43 can emit a light beam, and the light beam can project a pattern on the pattern carrier 422 onto the mold table 1 after passing through the pattern carrier 422. In the projection device 4, the graphic information is recorded by the graphic carrier 422, and the graphic does not need to be input into a software system, so that the structure and the control process of the software system are facilitated to be simplified, and the cost of the projection device 4 is reduced.

As shown in fig. 3, the pattern carrier 422 in this embodiment includes a glass sheet 4223, a light-transmissive pattern area 42231 for allowing light to pass through is provided on the glass sheet 4223, and light is not transmitted at other positions on the glass sheet 4223, and the shape of the light-transmissive pattern area 42231 is the same as the projected shape of the embedded part.

When the light beam irradiates on the glass slide 4223, only the light rays irradiating in the light-transmitting pattern area 42231 on the glass slide 4223 are emitted, and the emitted light rays are projected on the mold table 1 according to a certain proportion to form the shape of the embedded part. The graphic carrier 422 has a simple structure, can achieve the effect of projecting the designated graphic by matching with the projection mechanism 43, and has low manufacturing cost compared with a complex software system.

In order to protect the slide 4223, as shown in fig. 4 and 5, the pattern carrier 422 further comprises a base 4221 and a cover plate 4222, the base 4221 is provided with a first through hole, the cover plate 4222 is provided with a second through hole, the cover plate 4222 is fixed with the base 4221, and the slide 4223 is clamped and fixed between the cover plate 4222 and the base 4221. Wherein the center lines of the first through hole, the slide 4223 and the second through hole coincide.

Further, the base 4221 comprises a bottom plate 42211 and a light guide sleeve 42212 protruding from the bottom plate 42211, the first through hole is disposed on the bottom plate 42211, and the light guide sleeve 42212 is disposed around an edge of the first through hole. The light beam emitted by the projection mechanism 43 passes through the light guide sleeve 42212 and then is incident on the slide 4223, and the light guide sleeve 42212 can gather the light beam to a certain extent, so that the diffusion loss of the light beam is reduced, and the brightness of the light beam and the definition of a projection pattern are improved.

Because of in the prefabricated coincide floor processing procedure, required built-in fitting is more, and has multiple size and shape, for the multiple built-in fitting of projection arrangement 4 projection of convenience, as shown in fig. 6, slide glass mechanism 42 includes and holds the piece 421, is provided with a plurality of bearing positions that are used for placing figure carrier 422 on holding the piece 421, holds the piece 421 and can move relative to mounting bracket 41 to make arbitrary bearing position can move to the assigned position, projection mechanism 43 can cooperate with the figure carrier 422 of assigned position department, in order to select the projection figure according to actual need.

Specifically, the slide mechanism 42 further includes a rotary driving assembly 423, the rotary driving assembly 423 is disposed on the mounting frame 41, an output end of the rotary driving assembly 423 is connected to the bearing member 421, the rotary driving assembly 423 is used for driving the bearing member 421 to rotate, the plurality of bearing positions are circularly arranged around a rotation center of the bearing member 421, and the designated position is located on a rotation track of the plurality of bearing positions, so that any bearing position is moved to the designated position by rotation of the bearing member 421.

Through being circular arrangement with a plurality of positions of bearing, can satisfy every position of bearing and all can remove to the basis of assigned position, required space when reducing the relative mounting bracket 41 of bearing 421 and moving to reduce the space that projection arrangement 4 needs to occupy.

Specifically, the rotation driving assembly 423 includes a rotation motor mounting plate 4231 and a rotation motor 4232, the rotation motor mounting plate 4231 is connected to the mounting frame 41, and the rotation motor 4232 is disposed on the rotation motor mounting plate 4231 and is in transmission connection with the bearing 421 to drive the bearing 421 to rotate.

Further, as shown in fig. 7 and 8, each of the carrying positions is provided with a light passing hole 4212, and the projection mechanism 43 includes a light beam emitting assembly 431, and a light beam exit port of the light beam emitting assembly 431 is located above a specified position. Through setting up the light-emitting hole, after the position of bearing that required figure carrier 422 place rotated to the assigned position, the light beam that light beam emission subassembly 431 sent can shine to the mould platform 1 after figure carrier 422 and light-passing hole 4212 in proper order for bear the weight of 421 and light beam emission subassembly 431 need not dodge each other, is favorable to simplifying projection arrangement 4's structure, further reduces projection arrangement 4's cost.

In addition, the light beam emitting assembly 431 is located above the carrier 421, so that the size of the projection device 4 in the radial direction of the carrier 421 can be reduced, and the structure of the projection device 4 is more compact.

Optionally, each bearing position is provided with a bearing groove 4211, and the light passing hole 4212 is disposed in the bearing groove 4211. The pattern carrier 422 may be disposed in the bearing groove 4211, and the position of the pattern carrier 422 is limited by the bearing groove 4211, so that the pattern carrier 422 is prevented from moving relative to the bearing member 421 when the bearing member 421 rotates.

In order to ensure that the placement orientation of the light-transmitting pattern region 42231 in the pattern carrier 422 at the designated position is certain, as shown in fig. 5 and 8, the bottom surface of the pattern carrier 422 is provided with a positioning hole, the top surface of the bearing position is provided with a first positioning column 4213, the first positioning column 4213 can be inserted into the first positioning hole 42221, and the first positioning hole 42221 is eccentrically arranged from the center of the pattern carrier 422. Through the cooperation of first positioning column 4213 and first locating hole 42221, can guarantee that the figure carrier 422 only can put into the position of bearing of assigned position with specific angle, when guaranteeing that the cooperation of light beam emission subassembly 431 and every figure carrier 422, the angle of the regional 42231 of printing opacity figure in the figure carrier 422 is certain, and then can realize the fast switch-over of different figure carriers 422.

Further, in order to improve the positioning effect of the pattern carrier 422 and the bearing position, the shape of the first positioning column 4213 is matched with that of the first positioning hole 42221, and the cross-sectional area of the first positioning hole 42221 is gradually reduced along the insertion direction of the positioning column. Specifically, the cross-sectional area of the first positioning column 4213 gradually decreases from bottom to top, and the cross-sectional area of the first positioning hole 42221 gradually increases from top to bottom.

When the graphic carrier 422 is placed in the bearing position, because the cross-sectional area of the top end of the first positioning column 4213 is small, and the cross-sectional area of the bottom end of the first positioning hole 42221 is large, the positioning error between the graphic carrier 422 and the bearing position in a certain range can be automatically corrected, and the first positioning column 4213 can be ensured to be smoothly inserted into the first positioning hole 42221; and along with the gradual increase of the sectional area of the bottom end of the first positioning column 4213 and the reduction of the sectional area of the top end of the first positioning hole 42221, the first positioning column 4213 can adjust the position of the graphic carrier 422 in the bearing position by abutting against the first positioning hole 42221, so that the automatic positioning of the graphic carrier 422 and the bearing position is realized.

In other embodiments, the positions of the first positioning column 4213 and the first positioning hole 42221 can be interchanged, the first positioning column 4213 is disposed on the graphic carrier 422, and the first positioning hole 42221 is correspondingly disposed on the carrying position.

Compared with the automatic projection switching through a software system, the projection switching is completed through the cooperation of a mechanical structure, and the cost is low; compare the figure of a plurality of built-in fittings of once projection to mould platform 1 on, carry out the projection respectively through switching over figure carrier 422, can control the size of projection area at every turn for the projection figure is even, avoids the problem that deviation or projection figure take place the distortion to appear in the projection position, is favorable to improving positioning accuracy.

Optionally, the light beam emitting assembly 431 may include an infrared ray generator 4312, and after infrared rays emitted by the infrared ray generator 4312 penetrate through the light-transmitting pattern area 42231 on the glass sheet 4223, a colored light contour pattern can be formed on the mold table 1, so that the definition is better, and the projection effect can be prevented from being influenced by ambient light.

In this embodiment, as shown in fig. 9, the projection mechanism 43 further includes a height adjusting assembly 432, the height adjusting assembly 432 is disposed on the mounting frame 41, and the height adjusting assembly 432 can adjust the projection height, so as to adjust the size ratio of the projection pattern on the mold table 1 to the embedded part, so that the projection apparatus 4 can move according to the ratio of 1: the ratio of 1 projects the pattern of the embedment onto the mold table 1.

In order to enable the graphic carrier 422 moved to the designated position in the carrying position to be lifted synchronously with the light beam projection assembly to adjust the projection height, the projection mechanism 43 further comprises a switching assembly 434, the switching assembly 434 can enable the graphic carrier 422 at the designated position to be abutted with the light beam emission assembly 431, and can enable the graphic carrier 422 on the light beam emission assembly 431 to be placed on the designated position in the carrying position.

Optionally, the height adjusting assembly 432 includes a Z-directional driving member 4323, a Z-directional guiding rail 4321 and a Z-directional slider 4322 cooperating with the Z-directional guiding rail 4321, the Z-directional guiding rail 4321 is disposed on the mounting frame 41, an output end of the Z-directional driving member 4323 is connected to the Z-directional slider 4322 to drive the Z-directional slider 4322 to be slidably connected to the Z-directional guiding rail 4321, and the Z-directional slider 4322 can drive the light beam emitting assembly 431 and the switching assembly 434 to synchronously move along the Z direction.

Alternatively, the Z-drive 4323 may be a linear motor, an air cylinder, or a hydraulic cylinder.

In other embodiments, the height adjusting assembly 432 may also be a lead screw-nut mechanism or a rack and pinion mechanism, as long as the projection mechanism 43 can move along the Z direction.

Further, the projection mechanism 43 further includes an angle adjusting assembly 433, and the angle adjusting assembly 433 can drive the beam emitting assembly 431 and the switching assembly 434 to rotate around the central line of the beam emitted by the beam emitting assembly 431, so as to adjust the projection angle, so that the angle of the projection pattern is matched with the required placement angle of the embedded part, and thus the positioning effect is improved.

In this embodiment, the angle adjusting component 433 is disposed at the output end of the height adjusting component 432, and the beam emitting component 431 and the switching component 434 are disposed at the output end of the angle adjusting component 433, so as to adjust the projection height and the projection angle.

Specifically, the angle adjustment assembly 433 includes an angle adjustment mounting plate 4331 and a rotary platform 4332, the angle adjustment mounting plate 4331 is connected to the output end of the height adjustment assembly 432, the rotary platform 4332 is disposed on the angle adjustment mounting plate 4331, and the light beam emitting assembly 431 and the switching assembly 434 can rotate along with the rotary platform 4332, so that the rotation of the rotary platform 4332 can simultaneously drive the light beam emitting assembly 431 and the switching assembly 434 to rotate.

In this embodiment, the center of rotation of the rotary platform 4332 coincides with the center line of the light beam emitted from the light beam emitting assembly 431, so as to avoid changing the projection position when adjusting the projection angle.

The rotary platform 4332 may be any one of the structures in the prior art, as long as it can drive the beam emitting assembly 431 and the switching assembly 434 to rotate.

In other embodiments, the angle adjusting assembly 433 may be disposed on the mounting frame 41, the height adjusting assembly 432 is disposed at the output end of the angle adjusting assembly 433, and the beam emitting assembly 431 and the switching assembly 434 are disposed at the output end of the height adjusting assembly 432, so that the projection height and the projection angle can be adjusted.

In other embodiments, the projection mechanism 43 may be provided with only the angle adjustment assembly 433 or the height adjustment assembly 432.

In order to realize the automatic docking and undocking of the pattern carrier 422 and the light beam exiting assembly, as shown in fig. 10, the switching assembly 434 includes a lifting driving element 4341 and an adsorbing element 4342, the adsorbing element 4342 is disposed at an output end of the lifting driving element 4341, the adsorbing element 4342 is used for adsorbing the pattern carrier 422, and the lifting driving element 4341 can drive the adsorbing element 4342 to reciprocate.

When the supporting member 421 rotates to move the required pattern carrier 422 to the designated position, the lifting driving member 4341 drives the adsorbing member 4342 to descend, so that the adsorbing member 4342 can adsorb the pattern carrier 422 at the designated position, and then the lifting driving member 4341 drives the adsorbing member 4342 and the adsorbed pattern carrier 422 to ascend, so that the pattern carrier 422 abuts against the exit end of the light beam emitting assembly 431, and the butt joint of the pattern carrier 422 and the projection mechanism 43 is realized.

When the currently used graphic carrier 422 needs to be replaced, the lifting driving member 4341 drives the adsorbing member 4342 to descend and place the graphic carrier 422 into the corresponding carrying position of the carrying member 421; the adsorbing member 4342 releases the adsorption of the graphic carrier 422, and the lifting driving member 4341 drives the adsorbing member 4342 to ascend, so that the adsorbing member 4342 is separated from the graphic carrier 422; the carrier 421 rotates to move the carrying position of the pattern carrier 422 to be replaced to the designated position, and the switching assembly 434 interfaces the new pattern carrier 422 with the light beam emitting assembly 431.

In this embodiment, the switching of the graphic assemblies is realized by the lifting and lowering of the adsorbing member 4342 and the adsorbing, so that the switching assembly 434 occupies the space above the bearing member 421, and the switching assembly 434 has a compact structure, which is beneficial to reducing the space occupied by the projection mechanism 43. The fixing of the graphic carrier 422 is realized through the adsorption piece 4342, the structure is simple, and the damage to the graphic carrier 422 can be avoided by comparing the clamping and the like.

Alternatively, the lifting driving member 4341 may be a cylinder, a hydraulic cylinder or a linear motor, which has the advantages of small volume, low cost, etc.

Alternatively, the adsorbing member 4342 may be a magnet, and the material of the base 4221 in the pattern carrier 422 or the material of the pattern carrier 422 at the position corresponding to the adsorbing member 4342 is a magnetic material, so that the magnet can adsorb to the pattern carrier 422.

In this embodiment, in order to reduce the cost of the pattern carrier 422, the pattern carrier 422 further includes a magnetic member 4224, and the magnetic member 4224 is connected to the base 4221 and can be attracted by a magnet.

In order to facilitate the assembly of the pattern carrier 422, as shown in fig. 5 and 10, a mounting hole is formed in the base 4221, the mounting hole is a stepped hole, a large-diameter end of the stepped hole is arranged close to the cover plate 4222, the magnetic member 4224 is in a stepped structure matched with the stepped hole, and the magnetic member 4224 is embedded in the stepped hole and is clamped and fixed with the cover plate 4222 through a stepped surface of the stepped hole, so that the magnetic member 4224 is fixed without additionally adding a fastener, the structure of the pattern carrier 422 is simplified, and the assembly of the pattern carrier 422 is facilitated.

In order to further improve the fixing effect and the positioning effect of the switching assembly 434 on the graphic carrier 422, the adsorbing member 4342 is provided with a second positioning column, and the graphic carrier 422 is provided with a second positioning hole 42241. When the absorbing member 4342 absorbs the graphic carrier 422, the second positioning column can be inserted into the second positioning hole 42241, so as to improve the fixing effect and the positioning effect of the switching component 434 on the graphic carrier 422.

Further, the cross-sectional area of the second positioning post is gradually reduced from top to bottom, the shape of the second positioning hole 42241 is matched with that of the second positioning post, and the cross-sectional area of the second positioning hole 42241 is gradually reduced from top to bottom. When the second positioning column descends along with the adsorbing part 4342, because the sectional area of the bottom end of the second positioning column is small and the sectional area of the top end of the second positioning column is large, the positioning error between the graphic carrier 422 and the adsorbing part 4342 in a certain range can be automatically corrected, and the second positioning column can be ensured to be smoothly inserted into the positioning hole; and with the reduction of the cross-sectional areas of the bottom ends of the second positioning column and the second positioning hole 42241, the second positioning column can adjust the position of the pattern carrier 422 in the bearing position by abutting against the second positioning hole 42241, so that the automatic positioning of the pattern carrier 422 and the projection mechanism 43 is realized.

In other embodiments, the positions of the second positioning column and the second positioning hole 42241 may be interchanged, the second positioning column is disposed on the graphic carrier 422, the second positioning hole 42241 is correspondingly disposed on the adsorbing member 4342, and the cross-sectional areas of the second positioning column and the second positioning hole 42241 are gradually reduced along the inserting direction of the second positioning column.

Further, the second positioning hole 42241 may be disposed on the magnetic member 4224, which can reduce the material used for the magnetic member 4224, and avoid forming a hole on the base 4221, thereby improving the strength of the base 4221.

Optionally, at least two lifting drivers 4341 are provided, the at least two lifting drivers 4341 are uniformly distributed around the circumference of the light beam emitting assembly 431, and each lifting driver 4341 is provided with an adsorbing part 4342 correspondingly, so as to improve the adsorbing effect of the switching assembly 434 on the pattern carrier 422; the lifting driving member 4341 is disposed around the circumference of the light beam emitting assembly 431, so that the adsorbing member 4342 can avoid the first through hole on the pattern carrier 422, and the adsorbing member 4342 is prevented from blocking the light beam propagation.

Further, the light beam emitting assembly 431 further includes a protective cover 4311, and the infrared generator 4312 and the switching assembly 434 are both disposed in the protective cover 4311, so that on one hand, the infrared generator 4312 and the switching assembly 434 can be protected, and on the other hand, the infrared generator 4312 and the switching assembly 434 can be conveniently lifted or rotated synchronously.

The protective cover 4311 is provided with a butt-joint through hole, and an exit port of the infrared generator 4312 is opposite to the butt-joint through hole, so that the light beam can exit out of the protective cover 4311. When the graphic carrier 422 is docked with the projection mechanism 43, the graphic carrier 422 abuts against the protective cover 4311, and the first through hole is opposite to the docking through hole.

In order to facilitate the switching assembly 434 to adsorb the graphic carrier 422, the protecting cover 4311 is further provided with a guiding hole, and the output end of the lifting driving element 4341 and the adsorbing element 4342 can slide along the guiding hole to extend out of the protecting cover 4311 to adsorb the graphic carrier 422 or retract into the protecting cover 4311. In addition, the guide holes can also provide a guide for the telescopic movement of the elevation driving member 4341 to ensure the accuracy of the docking of the suction member 4342 with the graphic carrier 422.

Specifically, the protective cover 4311 includes a cover 43111 and an end cap 43112, wherein the lower end of the cover 43111 is open, and the end cap 43112 is detachably connected to the cover 43111 and can close the opening, so as to facilitate assembling the projection mechanism 43. Wherein, guiding hole and butt joint through-hole all set up on end cover 43112.

In order to further improve the guiding effect of the switching assembly 434, a boss 42113 extends from the bottom surface of the end cap 43112, and a guiding hole penetrates through the boss 42113, so that the guiding hole has a certain extending length in the thickness direction of the end cap 43112, which can further improve the guiding effect of the switching assembly 434.

Optionally, the number of the convex columns 42113 and the number of the lifting driving elements 4341 are equal and are arranged in a one-to-one correspondence manner, so that a space for accommodating the light guide sleeve 42212 is defined by the plurality of convex columns 42113, the butting precision of the graphic carrier 422 and the projection mechanism 43 can be improved, and the projection positioning precision is ensured.

In order to realize the projection of the projection device 4 at any position of the mold table 1 and ensure that the projection graph has no distortion and position deviation, the projection positioning device further comprises a translation driving mechanism 3, and the translation driving mechanism 3 can drive the projection device 4 to move along the X direction and the Y direction relative to the support 2. Compare and adopt fixed projection arrangement 4 to throw the projection figure that covers whole mould platform 1, in this embodiment, through setting up translation actuating mechanism 3, can make projection arrangement 4 remove to the mould platform 1 directly over arbitrary position, can avoid appearing the problem that the figure is inhomogeneous, positional deviation is big and the figure distorts, is favorable to guaranteeing the projection quality, improves projection positioning accuracy.

As shown in fig. 1, 11 and 12, the translation driving mechanism 3 includes an X-direction driving assembly 32 and a Y-direction driving assembly 31, the Y-direction driving assembly 31 is disposed on the support 2 and can drive the X-direction driving assembly 32 to move along the Y-direction, the projection device 4 is disposed at an output end of the X-direction driving assembly 32, and the X-direction driving assembly 32 can drive the projection device 4 to move along the X-direction.

Specifically, the Y-direction driving assembly 31 includes a Y-direction rail 312 extending in the Y-direction, a Y-direction sliding table 311 slidably engaged with the Y-direction rail 312, a Y-direction rack 313 extending in the Y-direction and provided on the support 2, a Y-direction gear 314 engaged with the Y-direction rack 313, and a Y-direction motor 315 driving the Y-direction gear 314 to rotate. The Y-direction motor 315 drives the Y-direction gear 314 to rotate, and can drive the Y-direction sliding table 311 to slide along the Y-direction rail 312. The X-direction driving assembly 32 is connected to the Y-direction slide table 311.

Optionally, the Y-direction driving assembly 31 further includes a Y-direction speed reducer, and the Y-direction motor 315 is connected to the Y-direction gear 314 through the Y-direction speed reducer to adjust the rotation speed and the torque of the Y-direction gear 314.

Optionally, the Y-direction driving assembly 31 further includes a Y-direction reducer mounting plate 316 and an adjusting structure, the Y-direction reducer mounting plate 316 is slidably connected to the Y-direction sliding table 311 along the X direction, and the adjusting structure can adjust the position of the Y-direction reducer mounting plate 316 on the Y-direction sliding table 311 along the X direction, so as to adjust the meshing gap between the Y-direction gear 314 and the Y-direction rack 313, and adjust the movement accuracy of the Y-direction driving assembly 31.

Specifically, the adjustment structure includes an adjustment block 317, a pushing member 319, and a pulling member 318. The adjusting block 317 is fixed on the Y-direction sliding table 311 and located on one side, deviating from the Y-direction rack 313, of the Y-direction speed reducer mounting plate 316, the pulling piece 318 penetrates through the adjusting block 317 and is connected with the Y-direction speed reducer mounting plate, and the pulling piece 318 is pulled on one side, deviating from the Y-direction rack 313, of the Y-direction speed reducer mounting plate 316 and the Y-direction gear 314 can be driven to deviate from the Y-direction rack 313 to move, so that the meshing gap between the Y-direction gear 314 and the Y-direction rack 313 is increased. The pushing member 319 is screwed to the adjusting block 317, and the end portion thereof abuts against the Y-direction speed reducer mounting plate 316, and by rotating the pushing member 319, the Y-direction speed reducer mounting plate 316 and the Y-direction gear 314 can be pushed to move closer to the Y-direction rack 313, thereby reducing the meshing gap between the Y-direction gear 314 and the Y-direction rack 313.

The adjusting structure is simple in structure, convenient to adjust, beneficial to improving transmission precision and capable of reducing cost.

Optionally, two sets of Y-direction driving assemblies 31 are oppositely disposed on the bracket 2, and the two sets of Y-direction driving assemblies 31 can jointly support the X-direction driving assembly 32, so that the structure is more stable.

As shown in fig. 12, the X-direction driving assembly 32 includes an X-direction beam 321, an X-direction guide rail, an X-direction motor 324, an X-direction gear 325, and an X-direction rack 326. The X-direction motor 324 is disposed on the mounting frame 41 of the projection apparatus 4, the X-direction motor 324 is in transmission connection with the X-direction gear 325 through an X-direction reducer, the X-direction guide rail and the X-direction rack 326 are both disposed on the X-direction cross beam 321, the mounting frame 41 is in sliding connection with the X-direction guide rail, the X-direction gear 325 is engaged with the X-direction rack 326, and the projection apparatus 4 can be moved in the X direction by driving the X-direction motor 324.

Further, the mounting rack 41 includes a vertical plate 411 and a horizontal plate 412 which are vertically connected, a first X-direction guide rail 322 and a second X-direction guide rail 323 are respectively disposed on two adjacent side walls of the cross beam, the vertical plate 411 is slidably connected to the first X-direction guide rail 322, and the horizontal plate 412 is slidably connected to the second X-direction guide rail 323, so as to improve the stability of the mounting rack 41.

In other embodiments, the X-direction driving assembly 32 and the Y-direction driving assembly 31 may also be screw nut assemblies, as long as the projection apparatus 4 can be driven to move along the X-direction and the Y-direction.

The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.

Claims

1. A projection device, comprising:

a mounting frame;

the projection mechanism is arranged on the mounting rack and comprises a light beam emitting assembly, the light beam emitting assembly can emit light beams and can be matched with the pattern carrier at the designated position.

2. The projection device of claim 1, wherein the slide mechanism further comprises a rotary driving assembly disposed on the mounting frame, the rotary driving assembly is configured to drive the bearing member to rotate relative to the mounting frame, the plurality of bearing positions are arranged in a circular shape around a rotation center of the bearing member, and the designated position is located on a rotation track of the plurality of bearing positions.

3. The projection apparatus as claimed in claim 1, wherein each of the carrying positions is provided with a light passing hole, and the light beam exit port of the light beam emission assembly is located above the designated position.

4. The projection device of claim 1, wherein the projection mechanism further comprises:

5. The projection device of claim 4, wherein the projection mechanism further comprises a switching assembly capable of interfacing the graphics carrier at the designated location with the light beam emitting assembly and capable of placing the graphics carrier interfaced with the light beam emitting assembly on the carrier location at the designated location.

6. The projection apparatus as claimed in claim 5, wherein the switching assembly includes a lifting driving member and a suction member, the suction member is used for sucking the pattern carrier, and the lifting driving member can drive the suction member to lift and lower to interface the pattern carrier with the beam emitting assembly or place the pattern carrier in the carrying position.

7. The projection apparatus as claimed in claim 5, wherein one of the switching assembly and the image carrier is provided with a second positioning post, and the other is provided with a second positioning hole matching with the second positioning post.

8. The projection apparatus according to claim 1, wherein one of the bottom surface of the graphic carrier and the top surface of the loading position is provided with a first positioning hole, and the other is provided with a first positioning post engaged with the first positioning hole, and the first positioning hole is eccentrically arranged from the center of the loading position or the graphic carrier.

9. The projection apparatus as claimed in claim 8, wherein the first positioning post has a shape adapted to the first positioning hole, and a cross-sectional area of the first positioning hole is gradually decreased along an insertion direction of the first positioning post.

10. A projection positioning apparatus comprising a stage, a support, and a projection device according to any one of claims 1-9, the projection device being disposed on the support and capable of projecting toward the stage.

11. The projection positioning apparatus of claim 10, further comprising a translation drive mechanism capable of driving the projection device to move in the X-direction and the Y-direction relative to the support.