CN116852294A

CN116852294A - Fixtures and how to use them to improve machining accuracy and efficiency

Info

Publication number: CN116852294A
Application number: CN202310864369.6A
Authority: CN
Inventors: 刘会龙; 李青生; 周年生; 张琦
Original assignee: Shenzhen Omega Intelligent Technology Co ltd
Current assignee: Shenzhen Omega Intelligent Technology Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-10-10
Anticipated expiration: 2043-07-14
Also published as: CN116852294B

Abstract

The application relates to the technical field of clamps, in particular to a clamp and a clamp using method, which are convenient for improving machining precision and efficiency; aiming at the defects of high cost, low efficiency and low precision in the prior art, the adopted scheme is as follows: comprises a base and a clamping assembly; the base is provided with a first placing position; the first placing position is used for placing the clamping assembly forward or reversely; the workpiece comprises two groups of processing areas; the clamping assembly is provided with two groups of open areas; two groups of open areas, any one of which is opposite to the first placement position; the positioning assembly is also included; the positioning assembly is used for limiting the clamping assembly to be aligned to the first placement position when the clamping assembly is placed forwards, and is also used for limiting the clamping assembly to be aligned to the first placement position when the clamping assembly is placed reversely; the positioning component is arranged on the base and/or the clamping component; the device also comprises a fixing component; the fixing component is used for fixing the clamping component and the base. Through the scheme, workpieces do not need to be clamped for multiple times, the labor cost is low, the operation efficiency is high, and higher machining precision is guaranteed.

Description

Clamp convenient for improving machining precision and efficiency and clamp using method

Technical Field

The application relates to the technical field of clamps, in particular to a clamp and a clamp using method, which are convenient for improving machining precision and efficiency.

Background

With the continuous development of lithium ion batteries, the requirements on battery testing are increasing. The traditional scheme of adopting the PoGo Pin probe to test can not meet the requirement of high test efficiency, and in order to solve the problem, a new scheme of adopting the shrapnel needle to test appears later, but the shrapnel needle is very tiny, and the thickness is only 0.15mm, and correspondingly, the supporting parts for installing the shrapnel needle are also very small. And to the processing of tiny part, the machining precision is crucial, when the supporting part of processing installation shell fragment needle, need carry out two-sided processing to the work piece, use current anchor clamps to turn over, need pull down the work piece earlier, install the work piece on the anchor clamps after turning over again, the cost of labor of this kind of mode is high, and the operating efficiency is low, and the clamping position of work piece on the anchor clamps also can be changed to the clamping many times, is difficult to guarantee to have good machining precision.

Disclosure of Invention

The application mainly aims to provide a clamp and a clamp using method which are convenient for improving machining precision and efficiency, so as to solve the defects of high cost, low efficiency and low precision in the prior art.

In order to achieve the above-mentioned object,

the application provides a clamp convenient for improving machining precision and efficiency, which comprises a base and a clamping assembly; the clamping assembly is used for clamping a workpiece; the base is provided with a first placing position corresponding to the clamping assembly; the first placing position is used for placing the clamping assembly forward or reversely; the workpiece comprises two groups of processing areas which are opposite; the clamping assembly is provided with two groups of open areas which are in one-to-one correspondence with the two groups of processing areas; two groups of open areas, any one of which is opposite to the first placement position; the open area is used for opening the processing area;

the fixture convenient for improving the machining precision and efficiency further comprises a positioning assembly; the positioning assembly is used for limiting the clamping assembly to be aligned with the first placement position when the clamping assembly is placed forwards, and is also used for limiting the clamping assembly to be aligned with the first placement position when the clamping assembly is placed backwards; the positioning component is mounted on the base and/or the clamping component;

the fixture convenient for improving the machining precision and efficiency further comprises a fixing assembly; the fixing component is used for fixing the clamping component and the base; the fixing component is mounted on the base and/or the clamping component.

Optionally, the arrangement direction of the two groups of open areas is taken as the Z-axis direction; the clamping assembly comprises a hollow main seat body; the main seat body comprises a first side wall and a second side wall which are opposite; taking the arrangement direction of the first side wall and the second side wall as the X-axis direction; the opposite surfaces of the first side wall and the second side wall are respectively provided with a second placing position; the two groups of second placing positions are respectively used for placing two ends of a workpiece; the first side wall and/or the second side wall are/is provided with a workpiece inserting and pulling channel corresponding to a workpiece; the workpiece inserting and pulling channel is a straight channel, and the length direction of the workpiece inserting and pulling channel is the same as the X-axis direction; the workpiece inserting and pulling channel is connected with the second placing position and the outer surface of the first side wall or the outer surface of the second placing position and the outer surface of the second side wall.

Optionally, longitudinal movable spaces are arranged on opposite surfaces of the first side wall and the second side wall; the longitudinal movable space is positioned above the second placement position and is communicated with the second placement position; the longitudinal movable space is not communicated with the top of the first side wall;

the clamping assembly further comprises two sets of first subassemblies; the two groups of first subassemblies respectively correspond to the first side wall and the second side wall; each group of the first subassemblies comprises a movable pressing plate for pressing the end part of the workpiece and a pressing arm corresponding to the movable pressing plate; the movable pressing plate is transversely placed and slides along the Z axis in the longitudinal movable space; the pressing arm is connected with the main seat body;

the movable pressing plate comprises an initial position; when the movable pressing plate is positioned at the initial position, the movable pressing plate is attached to the top of the first side wall; each group of the first subassemblies further comprises a reset assembly arranged on the main seat body; the reset component is used for driving the movable pressing plate to return to an initial position along the Z axis.

Optionally, the main seat body comprises a lower seat body and two groups of upper limit plates; one group of the upper limiting plates and the lower base body form the first side wall, and the other group of the upper limiting plates and the lower base body form the second side wall; when the movable pressing plate is positioned at the initial position, the movable pressing plate is attached to the upper limiting plate positioned above the movable pressing plate; the two groups of upper limiting plates are detachably connected with the lower seat body; each set of the first subassemblies comprises two sets of the reset assemblies; two groups of third placement bits which are in one-to-one correspondence with the two groups of reset components are arranged on the opposite surfaces of the first side wall and the second side wall; taking the arrangement direction of the two groups of third placement bits as the Y-axis direction; the second placement position is positioned between the two groups of third placement positions; the reset component comprises a longitudinal guide post and a longitudinal spring corresponding to the longitudinal guide post; one end of the longitudinal guide post is fixed with the lower seat body, and the other end of the longitudinal guide post is fixed with the upper limiting plate; the longitudinal spring is sleeved on the longitudinal guide column; the two ends of the longitudinal spring respectively press against the lower seat body and the movable pressing plate; the movable pressing plate is provided with two groups of guide through holes corresponding to the two groups of longitudinal guide columns one by one.

Optionally, the lower seat body comprises two groups of sub seat bodies and two groups of connecting rods; the arrangement direction of the two groups of sub-base bodies is the same as the X-axis direction; the arrangement direction of the two groups of connecting rods is the same as the Y-axis direction; the two groups of connecting rods respectively face to two sides of the sub-base body; both ends of each group of connecting rods are respectively fixed with the two groups of sub-base bodies; one group of upper limiting plates and one group of sub-base bodies form the first side wall, and the other group of upper limiting plates and the other group of sub-base bodies form the second side wall; the longitudinal guide column is fixed with the sub-base body; the longitudinal spring is propped against the sub-base body.

Optionally, each set of the first subassemblies includes a plurality of sets of the hold-down arms; the arrangement direction of each group of pressing arms is the same as the Y-axis direction; the middle part and the edge of the movable pressing plate are respectively corresponding to the pressing arms; the pressing arm is provided with a screw until the pressing arm is pressed down, and one end with an inner hexagon faces upwards; the upper limiting plate is provided with a plurality of groups of longitudinal threaded holes; the longitudinal threaded holes are in one-to-one correspondence with the pressing arms; the longitudinal threaded hole is a through hole.

Optionally, the positioning assembly includes four groups of longitudinal positioning pins distributed in a matrix; each group of the longitudinal positioning pins are fixed on the base; the main seat body is provided with four groups of positioning holes which are in one-to-one correspondence with the four groups of longitudinal positioning pins; each group of positioning holes are through holes; all the positioning holes are uniformly distributed circumferentially around the middle of the main seat body and uniformly distributed circumferentially around the open area.

Optionally, the main seat body includes a first bonding surface and a second bonding surface which are bonded with the base; the arrangement direction of the first bonding surface and the second bonding surface is the same as the Z-axis direction; the base comprises a third bonding surface bonded with the first bonding surface or the second bonding surface; or only the third bonding surface is provided with an anti-skid piece corresponding to the first bonding surface and the second bonding surface, or only the first bonding surface and the second bonding surface are provided with the anti-skid piece corresponding to the third bonding surface.

Optionally, the fixed assembly includes two sets of second subassemblies; the two groups of second subassemblies respectively correspond to two sides of the main seat body; the arrangement direction of the two groups of second subassemblies is the same as the X-axis direction; the two groups of second subassemblies are distributed in a rotationally symmetrical mode relative to the main seat body, the rotation plane is parallel to the first placement position, and the rotation angle is 180 degrees;

each group of the second sub-assemblies comprises two groups of pressing end groups; the arrangement direction of the two pressing end groups is the same as the Y-axis direction; the two pressing end groups are rotationally symmetrically distributed relative to the main seat body, and the rotation angle is 180 degrees; the rotation symmetry planes of the two pressing end groups are perpendicular to the first placing position and perpendicular to the X axis; each group of the pressing end groups comprises two groups of first pressing ends positioned on the same horizontal plane, and one group of second pressing ends which are distributed in a triangular shape with the two groups of first pressing ends on a vertical plane, wherein the two groups of first pressing ends are staggered with the second pressing ends; the first pressing end and the two groups of second pressing ends are both fixed with the main seat body;

each group of the second subassemblies comprises a first quick clamp for pressing the first pressing end and two groups of second quick clamps for pressing the two groups of second pressing ends respectively; along the Y-axis direction, the first quick clamp is positioned at one side of the main seat body, and two groups of second quick clamps are positioned at the other side of the main seat body; the first quick clamp and the two groups of second quick clamps are both fixed with the base.

The application also provides a clamp using method, which is based on the clamp convenient for improving the processing precision and the processing efficiency, and comprises the following steps:

clamping a workpiece to be processed through a clamping assembly;

placing the clamping assembly clamped with the workpiece on a first placing position of a base, wherein the clamping assembly is in a positive placing state, and the clamping assembly is aligned to the first placing position through a positioning assembly;

fixing the clamping assembly and the base through the fixing assembly, and waiting for a group of processing areas of the workpiece to be processed later;

after finishing processing a group of processing areas on a workpiece, releasing the fixing of the clamping assembly through the fixing assembly, and overturning the clamping assembly until the clamping assembly is in a reverse-discharge state;

placing the clamping assembly onto the first placement site again, and aligning the clamping assembly to the first placement site by the positioning assembly;

fixing the clamping assembly and the base through the fixing assembly, and waiting for the subsequent processing of another group of processing areas of the workpiece;

and after finishing the processing of another group of processing areas on the workpiece, taking out the workpiece on the clamping assembly.

The fixture provided by the application does not need to clamp the workpiece for multiple times, has low labor cost and high operation efficiency, and simultaneously ensures higher machining precision of the workpiece. The specific use process of the clamp is as follows: clamping a workpiece to be processed through a clamping assembly; placing a clamping assembly clamping a workpiece on a first placing position of a base, wherein the clamping assembly is in a positive placing state, and aligning the clamping assembly to the first placing position through a positioning assembly; fixing the clamping assembly and the base through the fixing assembly, and waiting for a group of processing areas of the workpiece to be processed later; after finishing processing a group of processing areas on the workpiece, releasing the fixing of the clamping assembly through the fixing assembly, and overturning the clamping assembly until the clamping assembly is in a reverse-discharge state; placing the clamping assembly on the first placing position again, and enabling the clamping assembly to be aligned to the first placing position through the positioning assembly; fixing the clamping assembly and the base through the fixing assembly, and waiting for the subsequent processing of another group of processing areas of the workpiece; and after finishing the processing of another group of processing areas on the workpiece, taking out the workpiece on the clamping assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a fixture for improving machining accuracy and efficiency according to an embodiment of the present application;

FIG. 2 is a schematic diagram illustrating the use of a clamping assembly in a fixture for facilitating improved machining accuracy and efficiency according to one embodiment of the present application;

FIG. 3 is an enlarged view at A in FIG. 2;

fig. 4 is a schematic view of another embodiment of a clamping assembly in a fixture for improving machining precision and efficiency.

Detailed Description

The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are some, but not all embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

The flow diagrams depicted in the figures are merely illustrative and not necessarily all of the elements and operations/steps are included or performed in the order described. For example, some operations/steps may be further divided, combined, or partially combined, so that the order of actual execution may be changed according to actual situations.

It is also to be understood that the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

It should be further understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

Some embodiments of the present application are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

Example 1

The embodiment provides a fixture which is convenient for improving the processing precision and efficiency, as shown in fig. 1-4 (fig. 2 conceals a group of upper limit plates 108), and comprises a base 100 and a clamping assembly; the clamping assembly is used for clamping the workpiece 2; the base 100 is provided with a first placement site 180 corresponding to the clamping assembly; the first placing position 180 is used for placing the clamping assembly forward or backward; the workpiece 2 comprises two sets of processing zones 280 which are opposite; the clamping assembly is provided with two groups of open areas 181 which are in one-to-one correspondence with the two groups of processing areas 280; two sets of open areas 181, either of which is directly opposite the first place 180; the open area 181 is used to open the processing area 280; the fixture convenient for improving the machining precision and efficiency further comprises a positioning assembly; the positioning assembly is used for limiting the alignment of the clamping assembly to the first placement position 180 when the clamping assembly is placed in the normal direction, and is also used for limiting the alignment of the clamping assembly to the first placement position 180 when the clamping assembly is placed in the reverse direction; the positioning assembly is mounted on the base 100 and/or the clamping assembly; the fixture convenient for improving the machining precision and efficiency further comprises a fixing component; the fixing assembly is used for fixing the clamping assembly and the base 100; the securing assembly is mounted to the base 100 and/or the clamping assembly.

The clamp does not need to clamp the workpiece for multiple times, is low in labor cost and high in operation efficiency, and ensures higher machining precision of the workpiece. The specific use process of the clamp is as follows: clamping the workpiece 2 to be processed through a clamping assembly; placing the clamping assembly clamping the workpiece 2 on the first placing position 180 of the base 100, wherein the clamping assembly is in a positive placing state, and aligning the clamping assembly to the first placing position 180 through the positioning assembly; fixing the clamping assembly and the base 100 by the fixing assembly, and waiting for a group of processing areas 280 of the workpiece 2 to be processed later; after finishing processing a group of processing areas 280 on the workpiece 2, releasing the fixing of the clamping assembly through the fixing assembly, and overturning the clamping assembly until the clamping assembly is in a reverse-discharge state; placing the clamping assembly again on the first placement site 180, aligning the clamping assembly to the first placement site 180 by the positioning assembly; fixing the clamping assembly and the base 100 by the fixing assembly, and waiting for the subsequent processing of another set of processing areas 280 of the workpiece 2; after finishing machining another set of machining zones 280 on the workpiece 2, the workpiece 2 on the clamping assembly is removed.

Wherein the open area 181 is used for opening the processing area 280, which is convenient for the processing device to process the workpiece.

Optionally, the arrangement direction of the two groups of open areas 181 is the Z-axis direction; the clamping assembly comprises a hollow main housing 101; the main housing 101 includes opposite first and second sidewalls; taking the arrangement direction of the first side wall and the second side wall as the X-axis direction; the opposite surfaces of the first side wall and the second side wall are respectively provided with a second placing position 182; two sets of second placing bits 182 are respectively used for placing two ends of the workpiece 2; the first side wall and/or the second side wall is provided with a work piece insertion/extraction passage 183 corresponding to the work piece 2; the workpiece insertion and extraction channel 183 is a straight channel, and the length direction of the workpiece insertion and extraction channel 183 is the same as the X-axis direction; the workpiece insertion channel 183 connects the second place 182 to the outer surface of the first sidewall or connects the second place 182 to the outer surface of the second sidewall; by means of the second placing position 182 and the workpiece inserting and pulling channel 183, the workpiece 2 can be conveniently inserted and pulled, and the condition that an external object collides with the workpiece 2 can be avoided by placing the workpiece 2 in the clamping assembly.

Optionally, longitudinal movable spaces 184 are disposed on opposite surfaces of the first side wall and the second side wall; the longitudinal movable space 184 is located above and in communication with the second placement site 182; the longitudinal active space 184 is not in communication with the top of the first sidewall;

the clamping assembly further comprises two sets of first subassemblies; the two groups of first subassemblies respectively correspond to the first side wall and the second side wall; each group of the first subassemblies comprises a movable pressing plate 104 for pressing the end of the workpiece 2, and a pressing down arm 105 corresponding to the movable pressing plate 104; the movable pressing plate 104 is transversely arranged and slides along the Z axis in the longitudinal movable space; the pressing arm 105 is connected with the main seat 101;

the movable platen 104 includes an initial position; when the movable pressing plate 104 is positioned at the initial position, the movable pressing plate is attached to the top of the first side wall; each set of first subassemblies further includes a reset assembly 106 mounted on the main housing 101; the reset component 106 is used for driving the movable pressing plate 104 to return to the initial position along the Z axis.

In the scheme, the specific clamping process is as follows: after the workpiece 2 is placed into the second placement position 182 through the workpiece inserting and pulling channel 183, the position of the pressing arm 105 is adjusted, so that the tail end of the pressing arm 105 pushes the movable pressing plate 104, the movable pressing plate 104 moves downwards along the Z axis under the pushing of the tail end of the pressing arm 105 until the movable pressing plate 104 abuts against the end part of the workpiece 2, and therefore the clamping of the end part of the workpiece 2 is completed; when the workpiece 2 needs to be taken out, the position of the pressing arm 105 is adjusted, so that the tail end of the pressing arm 105 moves upwards reversely, the movable pressing plate 104 moves upwards along the Z axis under the drive of the reset assembly 106, and the workpiece 2 is in a free state, so that the workpiece 2 can be pulled out of the workpiece inserting and pulling channel 183. According to the clamping process, the provided clamping assembly is simple in structure and convenient to use.

Optionally, the main seat 101 includes a lower seat 107 and two sets of upper limiting plates 108; one group of upper limiting plates 108 and lower seat 107 form a first side wall, and the other group of upper limiting plates 108 and lower seat 107 form a second side wall; when the movable pressing plate 104 is positioned at the initial position, the movable pressing plate is attached to the upper limit plate 108 positioned above the movable pressing plate; the two groups of upper limit plates 108 are detachably connected with the lower seat 107; the main base body 101 is split into a plurality of parts, so that the processing difficulty can be reduced, and the fault parts can be replaced in a targeted manner; each set of first subassemblies includes two sets of reset assemblies 106; two groups of third placement bits 185 which are in one-to-one correspondence with the two groups of reset components 106 are arranged on the opposite surfaces of the first side wall and the second side wall; the arrangement direction of the two groups of third placement bits 185 is taken as the Y-axis direction; the second placement bit 182 is located between two sets of third placement bits 185; two groups of reset components 106 are arranged, the stress on the two sides of the movable pressing plate 104 is more balanced, and the movement is more stable and smooth in the reset process; the reset assembly 106 includes a longitudinal guide post 109, a longitudinal spring 110 corresponding to the longitudinal guide post 109; one end of the longitudinal guide column 109 is fixed with the lower seat 107, and the other end is fixed with the upper limit plate 108; the longitudinal spring 110 is sleeved on the longitudinal guide column 109; two ends of the longitudinal spring 110 respectively press down the seat body 107 and the movable pressing plate 104; the movable pressing plate 104 is provided with two groups of guide through holes which are in one-to-one correspondence with the two groups of longitudinal guide posts 109; the longitudinal guide column 109 provides a winding position for the longitudinal spring 110, prevents the longitudinal spring 110 from being laterally bent, is matched with the guide through hole, guides the movement of the movable pressing plate 104, has multiple purposes, and has good practicability.

Optionally, the lower base 107 includes two sets of sub-bases 111 and two sets of connecting rods 112; the arrangement direction of the two groups of sub-base bodies 111 is the same as the X-axis direction; the arrangement direction of the two groups of connecting rods 112 is the same as the Y-axis direction; two groups of connecting rods 112 respectively opposite to two sides of the sub-base 111; each group of connecting rods 112 is respectively fixed with two groups of sub-base bodies 111 at both ends; one group of upper limiting plates 108 and one group of sub-base bodies 111 form a first side wall, and the other group of upper limiting plates 108 and the other group of sub-base bodies 111 form a second side wall; the longitudinal guide column 109 is fixed with the sub-seat 111; the longitudinal spring 110 presses against the sub-mount 111. By adopting the structure of the lower seat body 107, the open space in the middle of the lower seat body 107 is more, so that the processing device is more convenient for processing the workpiece; at the same time, the weight of the lower housing 107 can be reduced.

Optionally, each set of first subassemblies includes multiple sets of hold-down arms 105; the arrangement direction of each group of pressing arms 105 is the same as the Y-axis direction; the middle part and the edge of the movable pressing plate 104 are respectively provided with a pressing arm 105 correspondingly; pressing down the arm 105 until the screw is attached, and one end with the inner hexagon faces upwards; the upper limiting plate 108 is provided with a plurality of groups of longitudinal threaded holes 186; the longitudinal screw holes 186 are in one-to-one correspondence with the pressing arms 105; the longitudinal threaded bore 186 is a through bore. The stop screw is used as the pressing arm 105, so that the pressing effect on the movable pressing plate 104 is stable, the installation is convenient, and the cost is low.

Optionally, the positioning assembly includes four sets of longitudinal positioning pins (not shown) distributed in a matrix; each set of longitudinal locating pins is fixed on the base 100; the main seat 101 is provided with four sets of positioning holes 187 corresponding to the four sets of longitudinal positioning pins one by one; each set of positioning holes 187 is a through hole; all positioning holes 187 are uniformly distributed circumferentially around the middle of the main body 101 and also uniformly distributed circumferentially around the open area 181; the positioning is performed through the longitudinal positioning pin and the positioning hole 187, and the structure is simple and the cost is low.

Optionally, the main base 101 includes a first attaching surface 188 and a second attaching surface 189 that are attached to the base 100; the alignment direction of the first bonding surface 188 and the second bonding surface 189 is the same as the Z-axis direction; the base 100 includes a third bonding surface 1810 that bonds 189 with either the first bonding surface 188 or the second bonding surface; or only the third bonding surface 1810 is provided with the anti-skid member 114 corresponding to the first bonding surface 188 and the second bonding surface 189, or only the first bonding surface 188 and the second bonding surface 189 are provided with the anti-skid member 114 corresponding to the third bonding surface 1810; because there is a gap between the longitudinal locating pin and the locating hole 187, when the fixing component applies force to the clamping component, the clamping component is easy to slip, and the anti-slip component 114 is additionally arranged, so that the slip can be avoided. Optionally, cleats 114 are rounded rubber feet.

Optionally, the securing assembly includes two sets of second subassemblies 115; two sets of second subassemblies 115 respectively corresponding to two sides of the main base 101; the arrangement direction of the two sets of second subassemblies 115 is the same as the X-axis direction; the two groups of second subassemblies 115 are distributed in a rotationally symmetrical manner with respect to the main housing 101, the rotation plane being parallel to the first place 180 and the rotation angle being 180 °;

each second subassembly 115 includes two sets of press-holding end sets 116; the arrangement direction of the two pressing end groups 116 is the same as the Y-axis direction; the two pressing end groups 116 are rotationally symmetrically distributed with respect to the main seat 101, and the rotation angle is 180 degrees; the rotational symmetry planes of the two sets of holding end sets 116 are perpendicular to the first placement site 180 and perpendicular to the X-axis; each group of pressing end groups 116 comprises two groups of first pressing ends 117 positioned on the same horizontal plane, and a group of second pressing ends 118 which are distributed in a triangular shape with the two groups of first pressing ends 117 on a vertical plane, wherein the two groups of first pressing ends 117 are staggered with the second pressing ends 118; the first pressing end 117 and the two groups of second pressing ends 118 are both fixed with the main seat 101;

each set of second subassemblies 115 includes a first quick clamp 119 for holding a first holding end 117, two sets of second quick clamps 120 for holding two sets of second holding ends 118, respectively; along the Y-axis direction, the first quick clamp 119 is located at one side of the main base 101, and the two groups of second quick clamps 120 are located at the other side of the main base 101; a first quick clamp 119 and two sets of second quick clamps 120 are each secured to the base 100.

The fixing component is easy to use and high in discrimination. Specifically, since the two groups of first pressing ends 117 and the one group of second pressing ends 118 are distributed in a triangle, how the main seat body 101 is placed can be quickly determined, so that the first quick clamp 119 and the two groups of second quick clamps 120 belonging to the same second subassembly 115 have corresponding pressing ends, and the fool-proof effect is good; meanwhile, the pressing end can be pressed or loosened by pulling the handle of the quick clamp, and the use is convenient.

Example two

The embodiment provides a method for using a fixture, which is based on the fixture of the first embodiment and is convenient for improving machining precision and efficiency, and the method for using the fixture comprises the following steps:

clamping the workpiece 2 to be processed through a clamping assembly;

placing the clamping assembly clamping the workpiece 2 on the first placing position 180 of the base 100, wherein the clamping assembly is in a positive placing state, and aligning the clamping assembly to the first placing position 180 through the positioning assembly;

fixing the clamping assembly and the base 100 by the fixing assembly, and waiting for a group of processing areas 280 of the workpiece 2 to be processed later;

after finishing processing a group of processing areas 280 on the workpiece 2, releasing the fixing of the clamping assembly through the fixing assembly, and overturning the clamping assembly until the clamping assembly is in a reverse-discharge state;

placing the clamping assembly again on the first placement site 180, aligning the clamping assembly to the first placement site 180 by the positioning assembly;

fixing the clamping assembly and the base 100 by the fixing assembly, and waiting for the subsequent processing of another set of processing areas 280 of the workpiece 2;

after finishing machining another set of machining zones 280 on the workpiece 2, the workpiece 2 on the clamping assembly is removed.

While the application has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the application. Therefore, the protection scope of the application is subject to the protection scope of the claims.

Claims

1. The fixture is characterized by comprising a base and a clamping assembly; the clamping assembly is used for clamping a workpiece; the base is provided with a first placing position corresponding to the clamping assembly; the first placing position is used for placing the clamping assembly forward or reversely; the workpiece comprises two groups of processing areas which are opposite; the clamping assembly is provided with two groups of open areas which are in one-to-one correspondence with the two groups of processing areas; two groups of open areas, any one of which is opposite to the first placement position; the open area is used for opening the processing area;

2. The fixture for facilitating improvement of machining precision and efficiency according to claim 1, wherein the arrangement direction of the two groups of the open areas is a Z-axis direction; the clamping assembly comprises a hollow main seat body; the main seat body comprises a first side wall and a second side wall which are opposite; taking the arrangement direction of the first side wall and the second side wall as the X-axis direction; the opposite surfaces of the first side wall and the second side wall are respectively provided with a second placing position; the two groups of second placing positions are respectively used for placing two ends of a workpiece; the first side wall and/or the second side wall are/is provided with a workpiece inserting and pulling channel corresponding to a workpiece; the workpiece inserting and pulling channel is a straight channel, and the length direction of the workpiece inserting and pulling channel is the same as the X-axis direction; the workpiece inserting and pulling channel is connected with the second placing position and the outer surface of the first side wall or the outer surface of the second placing position and the outer surface of the second side wall.

3. The fixture for facilitating improvement of machining precision and efficiency according to claim 2, wherein longitudinal movable spaces are provided on opposite surfaces of said first side wall and said second side wall; the longitudinal movable space is positioned above the second placement position and is communicated with the second placement position; the longitudinal movable space is not communicated with the top of the first side wall;

4. A fixture for facilitating improvement of machining precision and efficiency according to claim 3, wherein said main housing comprises a lower housing, two sets of upper limiting plates; one group of the upper limiting plates and the lower base body form the first side wall, and the other group of the upper limiting plates and the lower base body form the second side wall; when the movable pressing plate is positioned at the initial position, the movable pressing plate is attached to the upper limiting plate positioned above the movable pressing plate; the two groups of upper limiting plates are detachably connected with the lower seat body; each set of the first subassemblies comprises two sets of the reset assemblies; two groups of third placement bits which are in one-to-one correspondence with the two groups of reset components are arranged on the opposite surfaces of the first side wall and the second side wall; taking the arrangement direction of the two groups of third placement bits as the Y-axis direction; the second placement position is positioned between the two groups of third placement positions; the reset component comprises a longitudinal guide post and a longitudinal spring corresponding to the longitudinal guide post; one end of the longitudinal guide post is fixed with the lower seat body, and the other end of the longitudinal guide post is fixed with the upper limiting plate; the longitudinal spring is sleeved on the longitudinal guide column; the two ends of the longitudinal spring respectively press against the lower seat body and the movable pressing plate; the movable pressing plate is provided with two groups of guide through holes corresponding to the two groups of longitudinal guide columns one by one.

5. The fixture for improving machining precision and efficiency according to claim 4, wherein the lower base comprises two groups of sub base bodies and two groups of connecting rods; the arrangement direction of the two groups of sub-base bodies is the same as the X-axis direction; the arrangement direction of the two groups of connecting rods is the same as the Y-axis direction; the two groups of connecting rods respectively face to two sides of the sub-base body; both ends of each group of connecting rods are respectively fixed with the two groups of sub-base bodies; one group of upper limiting plates and one group of sub-base bodies form the first side wall, and the other group of upper limiting plates and the other group of sub-base bodies form the second side wall; the longitudinal guide column is fixed with the sub-base body; the longitudinal spring is propped against the sub-base body.

6. A fixture for facilitating increased machining accuracy and efficiency according to claim 4, wherein each of said first subassemblies includes a plurality of sets of said hold-down arms; the arrangement direction of each group of pressing arms is the same as the Y-axis direction; the middle part and the edge of the movable pressing plate are respectively corresponding to the pressing arms; the pressing arm is provided with a screw until the pressing arm is pressed down, and one end with an inner hexagon faces upwards; the upper limiting plate is provided with a plurality of groups of longitudinal threaded holes; the longitudinal threaded holes are in one-to-one correspondence with the pressing arms; the longitudinal threaded hole is a through hole.

7. The fixture for facilitating improved machining precision and efficiency according to claim 2, wherein said positioning assembly comprises four sets of longitudinal positioning pins distributed in a matrix; each group of the longitudinal positioning pins are fixed on the base; the main seat body is provided with four groups of positioning holes which are in one-to-one correspondence with the four groups of longitudinal positioning pins; each group of positioning holes are through holes; all the positioning holes are uniformly distributed circumferentially around the middle of the main seat body and uniformly distributed circumferentially around the open area.

8. The fixture for facilitating increased machining precision and efficiency of claim 7, wherein said main housing includes a first engagement surface and a second engagement surface each engaging said base; the arrangement direction of the first bonding surface and the second bonding surface is the same as the Z-axis direction; the base comprises a third bonding surface bonded with the first bonding surface or the second bonding surface; or only the third bonding surface is provided with an anti-skid piece corresponding to the first bonding surface and the second bonding surface, or only the first bonding surface and the second bonding surface are provided with the anti-skid piece corresponding to the third bonding surface.

9. A fixture for facilitating increased machining accuracy and efficiency according to claim 4, wherein said securing assembly comprises two sets of second subassemblies; the two groups of second subassemblies respectively correspond to two sides of the main seat body; the arrangement direction of the two groups of second subassemblies is the same as the X-axis direction; the two groups of second subassemblies are distributed in a rotationally symmetrical mode relative to the main seat body, the rotation plane is parallel to the first placement position, and the rotation angle is 180 degrees;

10. A method of using a jig according to any one of claims 1 to 9, wherein the jig is adapted to facilitate improvement of machining accuracy and efficiency, the method comprising the steps of:

clamping a workpiece to be processed through a clamping assembly;