CN111730200B

CN111730200B - Clamp for laser processing prism

Info

Publication number: CN111730200B
Application number: CN202010850001.0A
Authority: CN
Inventors: 赵裕兴; 高峰
Original assignee: Suzhou Delphi Laser Co Ltd
Current assignee: Suzhou Delphi Laser Co Ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2020-11-27
Anticipated expiration: 2040-08-21
Also published as: CN111730200A

Abstract

The invention relates to a clamp for processing a prism by laser, wherein a baffle is longitudinally arranged in the middle of a bottom plate, a plurality of parallel V-shaped grooves are transversely arranged on two sides of the baffle, a pressing strip capable of moving transversely is arranged on the outer side of the side end face, a guide rod is arranged on the pressing strip, a transverse guide hole matched with the pressing strip is arranged on the bottom plate, the guide rod penetrates through the transverse guide hole, a spring is sleeved on an extending section of the guide rod, a spring stop block is arranged at the end part of the spring, one end of the spring is abutted against the bottom plate, the other end of the spring is abutted against the spring stop block; the pressing bar is provided with a column hole, the round rod part of the knob penetrates through the column hole, the head part of the knob is fixed with a limiting block, and the knob can drive the limiting block to rotate circumferentially; an end surface groove I and an end surface groove II which are used for being matched with the limiting block are formed in the end surface of the bottom plate side opposite to the limiting block, the two grooves are located on the circumferential motion track of the limiting block, and the transverse groove depths of the two grooves are different; the plunger is screwed on the pressing strip. The product and the clamp have no relative displacement in the processing process, and the stability is high.

Description

Clamp for laser processing prism

Technical Field

The invention relates to a clamp for laser processing a prism, and belongs to the technical field of laser processing equipment.

Background

People have higher and higher requirements on mobile phones, and particularly, the mobile phones pay more attention to the photographing function of the mobile phones, so that the mobile phones have the tendency of replacing single-reflex and single-reflex functions. The appearance of the mobile phone needs to be thin, the size of the lens is in conflict with the appearance of the mobile phone, so that the periscopic optical structure is applied to the lens of the mobile phone, the long-focus lens can be placed into the mobile phone in the horizontal direction by additionally arranging the prism, and the imaging effect similar to that of the long-tube lens is realized in a refraction mode.

The prism is used after being cut into the segment by rectangular shape through laser, needs special fixture to fix the product in the course of working, carries out accurate location through the image system, then cuts, in order to guarantee the size precision of cutting, the product can not have relative displacement with anchor clamps in the course of working, consequently requires highly to anchor clamps stability.

At present, when a prism is machined by laser, a single prism strip is machined each time and is attached to a steel ring of a film, and the steel ring is adsorbed on a carrying platform; the method for fixing the prism by laminating the film has poor fixing stability, because the cross section of the prism is an isosceles right triangle, the prism can only be reversely buckled on the film, the right angle is upward, the height change of a laser action surface is large during laser processing, the laser action surface needs to be supplied through a Z axis, the processing time is long, the risk of film burning exists, and if the film is burnt, vacuum breaking can occur, so that the cutting position is deviated, and the efficiency is low.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides a clamp for laser processing a prism.

The purpose of the invention is realized by the following technical scheme:

the clamp for processing the prism by laser is characterized in that: a baffle is longitudinally arranged in the middle of the bottom plate, a plurality of parallel V-shaped grooves for positioning products are transversely arranged on two sides of the baffle, the V-shaped grooves extend to the side end face of the bottom plate, a pressing strip capable of moving transversely is arranged on the outer side of the side end face, a guide rod is arranged on the pressing strip, correspondingly, a transverse guide hole matched with the guide rod is arranged on the bottom plate, the guide rod penetrates through the transverse guide hole, a spring is sleeved on the extending section of the guide rod, a spring stop block is arranged at the end part of the guide rod, one end of the spring abuts against the bottom plate, the other end of the spring abuts against the spring stop block, and the tension of the spring drives the guide rod to transversely move along;

the pressing bar is provided with a column hole, the round rod part of the knob penetrates through the column hole, the head part of the knob is fixed with a limiting block, and the knob can synchronously drive the limiting block to rotate circumferentially when rotating; an end surface groove I and an end surface groove II which are used for being matched with the limiting block are formed in the end face of the bottom plate side opposite to the limiting block, the end surface groove I and the end surface groove II are located on the circumferential motion track of the limiting block, and the transverse groove depths of the end surface groove I and the end surface groove II are different and are intersected;

and a plunger threaded hole is formed in the position, opposite to the V-shaped groove, of the pressing strip, and a plunger is rotatably matched in the plunger threaded hole.

Further, according to the clamp for processing the prism by using the laser, the limiting block is of a round-corner rectangular structure, and correspondingly, the first end face groove and the second end face groove are of round-corner rectangles.

Further, in the above-mentioned jig for laser processing a prism, the first end surface groove and the second end surface groove are arranged in a horizontal direction and a vertical direction and are orthogonal to each other.

Further, according to the clamp for processing the prism by using the laser, the guide rods are symmetrically arranged at the front end and the rear end of the pressing strip, and correspondingly, the front side and the rear side of the bottom plate are provided with the transverse guide holes matched with the guide rods.

Further, according to the clamp for processing the prism by using the laser, the linear bearing is installed in the transverse guide hole, and the guide rod is matched with the inner hole of the linear bearing.

Further, according to the jig for processing the prism by using the laser, the V-shaped grooves are located at the same height.

Further, in the jig for laser processing a prism, the front and rear sides of the base plate are provided with handles.

Further, according to the jig for laser processing of the prism, the plunger is a spring plunger.

Compared with the prior art, the invention has obvious advantages and beneficial effects, and is embodied in the following aspects:

the fixture is ingenious in design and novel in structure, the prism product is effectively positioned and fixed in the laser cutting process, the fixture is integrally placed on the adsorption table for adsorption and fixation after the product is clamped, a new batch of fixtures are replaced after the product is processed, the processing efficiency is obviously improved, and the problems of horizontal positioning, clamping efficiency, processing efficiency and the like of the product are solved;

a metal V-shaped groove is formed in the bottom plate, the risk of laser burnout is avoided, the products are placed in the V-shaped groove to fully ensure that the laser action surfaces are at the same height, the laser processing process is simple, and the contact surfaces of the V-shaped groove and the products are subjected to mirror polishing treatment to prevent the products from being scratched;

the bottom plate is divided into a left area and a right area by the longitudinally arranged baffle, each area is transversely provided with a plurality of parallel V-shaped grooves, a plurality of products can be clamped at the same time, the right end of the product in the left area and the left end of the product in the right area are respectively abutted against the baffle, and the baffle limits the products;

before clamping, sliding the limiting block into the end surface groove II, and forming a gap between the pressing strip and the side end surface of the bottom plate, so that a product can be conveniently placed into the V-shaped groove; after the placement is finished, the limiting block is slid into the end face groove I, the pressing strip presses the side end face of the bottom plate, and the plunger abuts against the product; the limiting block falls into different end surface grooves because the groove depth of the end surface groove I is larger than that of the end surface groove II, so that the pressing strip is positioned at different transverse positions and is convenient to place products when falling into the shallow groove;

and the product and the clamp have no relative displacement in the processing process, the positioning and clamping are reliable, the stability is high, and the cutting size precision is effectively ensured.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1: the axis view of the clamp of the present invention;

FIG. 2: a schematic top view of the inventive fixture;

FIG. 3: FIG. 2 is a schematic sectional view A-A;

FIG. 4: figure 3 is a partial schematic view of part C;

FIG. 5: fig. 3 is a schematic view of part D;

FIG. 6: an axis view of the base plate;

FIG. 7: part B of fig. 6;

FIG. 8: a schematic diagram of the limiting block matched with the first end surface groove and the second end surface groove;

FIG. 9: the application of the clamp is shown schematically.

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. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Meanwhile, in the description of the present invention, the directional terms and the sequence terms, etc. are used only for distinguishing the description, and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 2, in the clamp for laser processing of the prism, a baffle 2 is longitudinally arranged in the middle of a bottom plate 1, a plurality of parallel V-shaped grooves for positioning a product are transversely arranged on two sides of the baffle 2, the V-shaped grooves extend to the side end surface of the bottom plate, and the V-shaped grooves are at the same height; the outer side of the side end face is provided with a pressing strip 4 capable of moving transversely, guide rods are symmetrically arranged at the front end part and the rear end part of the pressing strip 4, correspondingly, transverse guide holes matched with the front side part and the rear side part of the bottom plate 1 are formed in the front side part and the rear side part of the bottom plate 1, linear bearings 5 are arranged in the transverse guide holes, an orifice fixes the linear bearings 5 axially through snap springs, the guide rods 6 are matched with inner holes of the linear bearings 5, the guide rods 6 penetrate through the transverse guide holes, springs 12 are sleeved on the extending sections of the guide rods, spring stop blocks 7 are arranged at the end parts of the guide rods, one ends of the springs 12 abut against the bottom plate 1, the other ends of the springs abut against the spring stop blocks 7, the tension.

As shown in fig. 3, 4 and 5, a column hole is formed on the pressing bar 4, a round rod part of the knob 9 penetrates through the column hole, a limiting block 8 is fixed at the head part of the knob, the round rod part of the knob 9 is matched with the column hole and can rotate without axial movement, and the knob 9 can rotate to synchronously drive the limiting block 8 to rotate circumferentially; an end surface groove I13 and an end surface groove II 14 which are used for being matched with the limiting block 8 are formed in the end face of the bottom plate side opposite to the limiting block 8, as shown in figures 6, 7 and 8, the limiting block 8 is in a round-corner rectangular structure, and correspondingly, the end surface groove I13 and the end surface groove II 14 are in round-corner rectangles; the first end face groove 13 and the second end face groove 14 are located on the circumferential motion track of the limiting block 8, the groove depth of the first end face groove is larger than that of the second end face groove, and the first end face groove 13 and the second end face groove 14 are arranged in the horizontal direction and the vertical direction and are orthogonal.

In addition, a plunger threaded hole is formed in the position, opposite to the V-shaped groove, of the pressing bar 4, a plunger 11 is screwed in the plunger threaded hole, and the plunger 11 is a spring plunger manufactured by Yihe company and has the model number of ZAP 52-M3. Handles 10 are mounted on the front and rear sides of the base plate 1.

When the device is used specifically, firstly, the knob 9 is pulled out and rotated by 90 degrees, the pressing strip 4 is pulled out along with the knob 9, the limiting block 8 is correspondingly and synchronously rotated by 90 degrees, the knob 9 is loosened, the state is recovered due to the tension of the spring 12, the guide rod 6 is driven to move inwards and transversely, the guide rod 6 slides in the linear bearing 5, the limiting block 8 slides into the end surface groove II 14, and a gap is formed between the pressing strip 4 and the side end surface of the base plate 1;

then, the products 3 are sequentially placed in the V-shaped grooves on the bottom plate 1, and one ends of the products 3 are abutted against the baffle plates 2 and limited by the baffle plates 2; then the knob 9 is pulled out and rotated by 90 degrees, the pressing strip 4 is pulled out along with the knob 9, the limiting block 8 is correspondingly and synchronously rotated by 90 degrees, the knob 9 is loosened, the state is recovered due to the tension of the spring 12, the guide rod 6 is driven to move inwards and transversely, the guide rod 6 slides in the linear bearing 5, the limiting block 8 slides into the end face groove I13, the pressing strip 4 is pressed on the side end face of the bottom plate 1, and the plunger 11 is pressed against the product 3;

finally, the entire jig 101 is placed on the rotary suction table 100 by holding the handle 10 with hand and suction-fixed, as shown in fig. 9.

In conclusion, the clamp is ingenious in design and novel in structure, the prism product is effectively positioned and fixed in the laser cutting process, the clamp is integrally placed on the adsorption table for adsorption and fixation after the product is clamped, a new batch of clamps are replaced after the product is machined, the machining efficiency is obviously improved, and the problems of horizontal positioning, clamping efficiency, machining efficiency and the like of the product are solved;

the bottom plate is provided with a metal V-shaped groove, so that the risk of laser burnout is avoided, the product is placed in the V-shaped groove to fully ensure that the laser action surfaces are at the same height, the laser processing process is simple, and the contact surface of the V-shaped groove and the product is subjected to mirror polishing treatment to prevent the product from being scratched;

the bottom plate is divided into a left area and a right area by the longitudinally arranged baffle plates, each area is transversely provided with a plurality of parallel V-shaped grooves, a plurality of products can be clamped at the same time, the right end of the product in the left area and the left end of the product in the right area are respectively abutted against the baffle plates, and the baffle plates limit the products;

before clamping, the knob is pulled out and rotated, the limiting blocks synchronously rotate, the guide rods are driven to transversely move due to the tension of the springs, the limiting blocks slide into the end surface grooves II, and gaps are reserved between the pressing strips and the side end surfaces of the bottom plate, so that products can be conveniently placed into the V-shaped grooves; after the placement is finished, the knob is pulled out and rotated, the limiting blocks synchronously rotate, the guide rods are driven to move inwards and transversely due to the tension of the springs, the limiting blocks slide into the end face grooves I, the pressing strips press the side end faces of the bottom plate, and the plungers press products; because of the groove depth that the groove depth of end face slot one is greater than end face slot two, the stopper falls into different end face slots to make the layering be located different transverse position, when falling into shallow slot (end face slot two), be convenient for place the product, when falling into deep groove (end face slot one), the layering is leaned on to V type groove, and the plunger compresses tightly the product.

The product and the clamp have no relative displacement in the machining process, the positioning and clamping are reliable, the stability is high, and the cutting size precision is effectively ensured.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and shall be covered by the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Claims

1. The clamp for processing the prism by laser is characterized in that: the middle part of the bottom plate (1) is longitudinally provided with a baffle (2), two sides of the baffle (2) are transversely provided with a plurality of parallel V-shaped grooves for positioning products, the V-shaped grooves extend to the side end face of the bottom plate, the outer side of the side end face is provided with a pressing strip (4) capable of transversely moving, the pressing strip (4) is provided with a guide rod (6), correspondingly, the bottom plate (1) is provided with a transverse guide hole matched with the bottom plate, the guide rod (6) penetrates through the transverse guide hole, the extending section of the guide rod is sleeved with a spring (12), the end part of the guide rod is provided with a spring stop block (7), one end of the spring (12) is abutted against the bottom plate (1), the other end of the spring (12) is abutted against the spring stop block (7), the tension of the spring (12) drives the guide rod (6) to transversely move;

a column hole is formed in the pressing bar (4), a round rod part of the knob (9) penetrates through the column hole, a limiting block (8) is fixed at the head part of the knob, and the knob (9) can rotate to synchronously drive the limiting block (8) to rotate circumferentially; an end face groove I (13) and an end face groove II (14) which are used for being matched with the limiting block (8) are formed in the end face of the bottom plate side opposite to the limiting block (8), the end face groove I (13) and the end face groove II (14) are located on the circumferential motion track of the limiting block (8), and the transverse groove depths of the end face groove I (13) and the end face groove II (14) are different and are intersected;

and a plunger threaded hole is formed in the position, opposite to the V-shaped groove, of the pressing strip (4), and a plunger (11) is screwed in the plunger threaded hole.

2. The jig for laser processing a prism as claimed in claim 1, wherein: the limiting block (8) is of a round-corner rectangular structure, and correspondingly, the first end face groove (13) and the second end face groove (14) are of round-corner rectangles.

3. The jig for laser processing a prism as claimed in claim 1 or 2, wherein: the end surface groove I (13) and the end surface groove II (14) are arranged in the horizontal direction and the vertical direction and are orthogonal.

4. The jig for laser processing a prism as claimed in claim 1, wherein: the front end and the rear end of the pressing strip (4) are symmetrically provided with guide rods, and correspondingly, the front side and the rear side of the bottom plate (1) are provided with transverse guide holes matched with the guide rods.

5. The jig for laser processing a prism as claimed in claim 1 or 4, wherein: and a linear bearing (5) is arranged in the transverse guide hole, and a guide rod (6) is matched with an inner hole of the linear bearing (5).

6. The jig for laser processing a prism as claimed in claim 1, wherein: the V-shaped grooves are at the same height.

7. The jig for laser processing a prism as claimed in claim 1, wherein: handles (10) are mounted on the front and rear sides of the base plate (1).

8. The jig for laser processing a prism as claimed in claim 1, wherein: the plunger (11) is a spring plunger.