Translation type four-claw positioning steering mechanism

Abstract

The utility model discloses a translation type four-claw positioning and steering mechanism, which relates to the field of chip positioning and steering and comprises a mounting base, four translation structures are arranged on the periphery of the mounting base, clamping structures are arranged on the translation structures, and each translation structure comprises a ball pressing block. A pair of transverse rods is symmetrically arranged on the top of the face, close to the mounting base, of the ball pressing block, and a translation connecting base is arranged below the transverse rods. According to the utility model, the second guide groove is provided with the second placing groove matched with the first ball, and the first placing groove and the first guide groove are matched with the second ball, so that the auxiliary guide block moves on the mounting base in the radial direction, thereby driving the clamping structure arranged on the translation structure to move in the radial direction, and realizing the clamping of a chip. And the clamping jaw limiting block is matched with the limiting plate arranged at the bottom of the clamping jaw block, so that the chip cannot be damaged by the clamping jaw block.

Description

TECHNICAL FIELD

[0001] The utility model relates to chip positioning steering field, concretely is a kind of translational four-jaw positioning steering mechanism. BACKGROUND

[0002] In the field of semiconductor sorting test packaging, before the chip enters the test station, the position of the chip needs to be calibrated or the direction of the chip needs to be changed, otherwise the chip may be damaged or the test may be damaged, so many positioning mechanisms are used to position and calibrate the chip or change the direction of the chip in advance. The existing positioning mechanisms include two-jaw positioning steering mechanisms, groove positioning steering mechanisms, four-jaw positioning steering mechanisms and other clamping jaws for clamping the chip, and the direction of the chip is adjusted by rotating the clamping jaws.

[0003] The existing positioning structure is generally a rod that can move freely, which presses the top block by moving the rod, and the top block moves to drive the clamping jaw head to move. When the top rod moves upward to press the top block, the top block moves outward, thereby driving the clamping jaw to move outward. At this time, the clamping jaw is opened. After the chip is placed, the top rod is moved downward to lose the pressing of the top block, so that the top block is reset, thereby driving the clamping jaw head to reset, thereby realizing the clamping of the clamping jaw. At this time, the direction of the chip can be adjusted by rotating the entire device.

[0004] However, the existing mechanism has low precision when positioning, which cannot meet the positioning precision requirements of small products, and the center of gravity is high, so the mechanism is unstable when operating at high speed. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model aims to provide a translational four-jaw positioning steering mechanism to solve the technical problems of low precision when positioning with the existing mechanism, which cannot meet the positioning precision requirements of small products, and the center of gravity is high, so the mechanism is unstable when operating at high speed.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a translational four-jaw positioning steering mechanism, comprising a mounting base, four translation structures are arranged outside the mounting base, a clamping structure is arranged on the translation structure, the translation structure comprises a ball press block, a pair of horizontal rods are symmetrically arranged on the top of the ball press block close to the mounting base, a translation connection base is arranged below the horizontal rod, a pair of first guide grooves are symmetrically arranged at the bottom of the translation connection base, a first placement groove is arranged on the mounting base in cooperation with the first guide groove, and a second ball is arranged in the space formed by the first placement groove and the first guide groove. The second ball cooperates with the first placement groove and the first guide groove to make the translation connection base slide radially on the mounting base.

[0007] By adopting the technical scheme, the four-direction radial translation is realized through the translation structure, and the clamping structure is driven to move, so that the effect of clamping the chip through translation is realized, and the clamping is stable and efficient.

[0008] The utility model further sets up, translation connecting base top is provided with the connecting block, the horizontal rod bottom is provided with the second guide groove, the both sides of translation connecting base are provided with the auxiliary guide block below the horizontal rod, the second guide groove is opened with the second placing groove on the auxiliary guide block cooperation, the space formed by the second placing groove and the second guide groove is provided with the first ball.

[0009] By adopting the technical scheme, the second guide groove cooperates with the second placing groove to realize the connection and fixation of the horizontal rod and the translation connecting base, and the installation is fast.

[0010] The utility model further sets up, translation connecting base top fixedly connected with the mounting block, the one end of mounting block away from the ball pressing block is provided with the bearing, the mounting block is opened with the aperture on the cooperation bearing, the aperture is provided with the rolling shaft, the rolling shaft passes through the aperture and bearing setting, makes the bearing rotate.

[0011] By adopting the technical scheme, the rolling shaft is set to make the bearing rotate, and when the bearing is extruded, the entire translation connecting base is extruded, so that the translation connecting base moves, and translation clamping is realized.

[0012] The utility model further sets up, the clamping structure includes the limit block mounting seat, the mounting block top is provided with the connecting block, the connecting block extends to the limit block mounting seat horizontal plane, the connecting block top is provided with the jaw base, the jaw base bottom is opened with the sliding slot on the cooperation connecting block, the jaw base top is provided with the jaw block, the limit block mounting seat sets up above the ball pressing block.

[0013] By adopting the technical scheme, the sliding slot is set to install the jaw base and the connecting block together, at this time, the translation structure moves to drive the jaw block to move, and the clamping of the chip is realized.

[0014] The utility model further sets up, the mounting base top is provided with the jaw limit block, the jaw block bottom is provided with the limit plate on the cooperation jaw limit block, the top center position of jaw limit block is provided with the placing seat.

[0015] By adopting the technical scheme, the limit plate cooperates with the jaw limit block, so that the distance between the jaw blocks is maintained, and the chip is clamped without damaging the chip.

[0016] The utility model further sets up, the through hole is set up in the center position on the installation base, the top lift axle is movably arranged in the through hole, the top lift axle extends to the below bearing, the top lift axle top end sets into the inclined plane structure.

[0017] Through adopting above technical scheme, when the top lift axle moves up, the bearing is extruded, so that the whole translation structure moves out, so that the jaw block opens, when it moves down, the bearing resets, the jaw block is close to each other, so that the clamping of chip is realized.

[0018] The utility model further sets up, the limit block mounting seat bottom bevel angle symmetry sets up a pair of support column, support column is connected with installation base.

[0019] Through adopting above technical scheme, the installation of limit block mounting seat is guaranteed through the support column.

[0020] The utility model further sets up, the one side of translation connection base near ball pressure block is provided with spring, spring other end is connected with ball pressure block.

[0021] Through adopting above technical scheme, after the top lift axle moves down, the spring drives the translation structure reset, and then drives the jaw block reset.

[0022] Summarized above, the utility model discloses mainly have following beneficial effect:

[0023] The utility model discloses the second guide groove sets up the second placing groove cooperation first ball and adds the first placing groove and first guide groove cooperation second ball, makes the auxiliary guide block move on the installation base radially, so that the clamping structure on the translation structure is driven and moves radially, so that the clamping of chip is realized, through such setting, can maintain stability when the jaw drives the high -speed movement of chip, through the jaw limit block of setting cooperation the limit board of setting in the jaw block bottom, guarantee the distance between the jaw block, so that guarantee that the jaw block does not cause the damage of chip. ACCURACY OF DRAWINGS

[0024] Figure 1 It is the whole structure schematic drawing of the utility model;

[0025] Figure 2 It is the whole structure explosion schematic drawing of the utility model;

[0026] Figure 3 It is the translation structure schematic drawing of the utility model;

[0027] Figure 4 It is the whole structure side sectional view of the utility model;

[0028] Figure 5 It is the installation base structure schematic view of the utility model;

[0029] Figure 6 It is the clamping structure side sectional view of the utility model.

[0030] In the figure: 1, installation base; 2, ball pressing block; 3, clamping jaw base; 4, clamping jaw limit block; 5, clamping jaw block; 6, limit block mounting seat; 7, cross bar; 8, support column; 9, jacking shaft; 10, translation connection base; 11, sliding slot; 12, placing seat; 13, connecting block; 14, first ball; 15, rolling shaft; 16, bearing; 17, second ball; 18, first placing groove; 19, auxiliary guide block; 20, first guide groove; 21, opening; 22, through hole; 23, limit plate; 24, second placing groove; 25, spring; 26, second guide groove; 27, mounting block. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are used only for explaining the utility model, and cannot be understood as limiting the utility model.

[0032] The embodiments of the utility model will be described below according to the overall structure of the utility model.

[0033] A kind of translation four-jaw positioning steering mechanism, as shown in the figure, including installation base 1, four translation structures are arranged outside the installation base 1, clamping structure is arranged on the translation structure, the clamping structure is controlled to move radially by translation structure, so as to clamp chip, the translation structure includes ball press block 2, a pair of cross bars 7 are symmetrically arranged on the top of the side of ball press block 2 close to installation base 1, translation connecting base 10 is arranged below the cross bar 7, a pair of first guide grooves 20 are symmetrically opened in the bottom of translation connecting base 10, first placement groove 18 is opened in installation base 1, and is matched with first guide groove 20, second ball 17 is arranged in the space formed by first placement groove 18 and first guide groove 20, and the second ball 17 is matched with first placement groove 18 and first guide groove 20 to make translation connecting base 10 radially slide on installation base 1, second guide groove 26 is arranged in the bottom of cross bar 7, auxiliary guide block 19 is arranged below cross bar 7 on the two sides of translation connecting base 10, second placement groove 24 is opened in auxiliary guide block 19, and is matched with second guide groove 26, first ball 14 is arranged in the space formed by second placement groove 24 and second guide groove 26, so that the cross bar 7 is radially limited to auxiliary guide block 19 by such setting, when the above structure is matched, translation connecting base 10 and installation block 27 can move radially, and four-direction translation structure drives clamping structure to clamp an object.

[0034] Specifically, the clamping structure includes limit block mounting seat 6, the top of installation block 27 is provided with connecting block 13, the connecting block 13 extends upwards to the horizontal plane of limit block mounting seat 6, the top of connecting block 13 is provided with clamping jaw base 3, the bottom of clamping jaw base 3 is provided with sliding groove 11 matched with connecting block 13, the clamping jaw base 3 and the connecting block 13 are connected by the sliding groove 11, the top of clamping jaw base 3 is provided with clamping jaw block 5, the installation block 27 is moved by the movement of translation structure, and then the connecting block 13 is moved, so that the clamping jaw block 5 is moved to clamp action;

[0035] Further, the limiting block mounting seat 6 is arranged above the ball pressing block 2, and a clamping jaw limiting block 4 is arranged on the top of the mounting base 1 in cooperation with the limiting block mounting seat 6, a pair of supporting columns 8 are symmetrically arranged on the bottom of the limiting block mounting seat 6, the supporting columns 8 are connected with the mounting base 1, the supporting columns 8 are arranged to support and install the limiting block mounting seat 6, a limiting plate 23 is arranged on the bottom of the clamping jaw block 5 in cooperation with the clamping jaw limiting block 4, a placing seat 12 is arranged on the top center of the clamping jaw limiting block 4, in actual use, the four-direction clamping jaw blocks 5 move to the placing seat 12 at the same time, and the chip is positioned to the position of the placing seat 12, at this time, different clamping jaw limiting blocks 4 can be replaced according to different models of the chip, so that the distance between the four clamping jaw blocks 5 can be set according to the size of the chip, and it is guaranteed that the clamping jaw blocks 5 can just clamp the chip, and the chip is not damaged.

[0036] In the above structure, the translation connection base 10 is fixedly connected with a mounting block 27 on the top, a bearing 16 is rotatably arranged on the end of the mounting block 27 away from the ball pressing block 2, an opening 21 is formed in the mounting block 27 in cooperation with the bearing 16, a rolling shaft 15 is arranged in the opening 21, the rolling shaft 15 penetrates the opening 21 and the bearing 16 to make the bearing 16 rotate, a through hole 22 is formed in the center of the mounting base 1, a jacking shaft 9 is movably arranged in the through hole 22, the jacking shaft 9 extends to the bearing 16, and the top end of the jacking shaft 9 is arranged in a bevel structure, so that the jacking shaft 9 can press the rolling shaft 15 when the jacking shaft 9 moves upward, the rolling shaft 15 is pressed to one side to drive the mounting block 27 to move, and then drive the above-mentioned clamping structure to move radially away from the chip, and vice versa, when the jacking shaft 9 moves downward, the bearing 16 is not pressed, and the one side of the translation connection base 10 close to the ball pressing block 2 is provided with a spring 25, the other end of the spring 25 is connected with the ball pressing block 2, the spring 25 drives the translation connection base 10 to reset, and then drives the mounting block 27 to reset, so as to drive the clamping structure to reset, and realize clamping of the chip.

[0037] Although the embodiments of the present application have been shown and described, the specific embodiments are merely illustrative of the present application, and are not intended to limit the present application, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and those skilled in the art can make modifications, replacements and variations of the embodiments without creative contribution after reading the specification, as long as they are within the scope of the claims of the present application.

Claims

1. A translational four jaw positioning and turning mechanism comprising a mounting base (1) characterised in that: The installation base (1) is provided with four translation structures outside, the translation structure is provided with clamping structure, the translation structure includes ball press block (2), the ball press block (2) is symmetrically provided with a pair of cross bars (7) on the top of one side of installation base (1), the cross bar (7) is provided with translation connecting base (10) below, the translation connecting base (10) is symmetrically provided with a pair of first guide grooves (20) on the bottom, the installation base (1) is provided with first placing groove (18) on the first guide groove (20), the space formed by the first placing groove (18) and the first guide groove (20) is provided with second ball (17), the second ball (17) is provided with first placing groove (18) and first guide groove (20), so that the translation connecting base (10) is radially slid on the installation base (1).

2. A translation-type four jaw positioning turn mechanism according to claim 1, characterized in that: The translation connecting base (10) is provided with connecting block (13), the bottom of the cross bar (7) is provided with second guide groove (26), the translation connecting base (10) is provided with auxiliary guide block (19) below the cross bar (7) on both sides, the auxiliary guide block (19) is provided with second placing groove (24) on the second guide groove (26), the space formed by the second placing groove (24) and the second guide groove (26) is provided with first ball (14).

3. A translation four jaw positioning turn mechanism according to claim 1, wherein: The translation connecting base (10) is fixedly connected with mounting block (27) on the top, the end away from the ball press block (2) of the mounting block (27) is rotatably provided with bearing (16), the mounting block (27) is provided with opening (21) on the bearing (16), the opening (21) is provided with rolling shaft (15), the rolling shaft (15) is provided through the opening (21) and the bearing (16), so that the bearing (16) rotates.

4. A translation four jaw positioning turn mechanism according to claim 3, wherein: The clamping structure includes limit block mounting seat (6), the top of the mounting block (27) is provided with connecting block (13), the connecting block (13) extends upwards to the horizontal plane of the limit block mounting seat (6), the top of the connecting block (13) is provided with clamping jaw base (3), the bottom of the clamping jaw base (3) is provided with sliding groove (11) on the connecting block (13), the top of the clamping jaw base (3) is provided with clamping jaw block (5), and the limit block mounting seat (6) is arranged above the ball press block (2).

5. A translation four jaw positioning turn mechanism according to claim 4, wherein: The top of the installation base (1) is provided with clamping jaw limit block (4), the bottom of the clamping jaw block (5) is provided with limit plate (23) on the clamping jaw limit block (4), and the top center of the clamping jaw limit block (4) is provided with placing seat (12).

6. A translation four jaw positioning turn mechanism according to claim 1, wherein: The center of the installation base (1) is provided with through hole (22), the through hole (22) is movably provided with jacking shaft (9), the jacking shaft (9) extends to the bearing (16), and the top end of the jacking shaft (9) is provided as an inclined surface structure.

7. A translation four jaw positioning turn mechanism according to claim 4, wherein: The bottom of the limit block mounting seat (6) is symmetrically provided with a pair of support columns (8), and the support columns (8) are connected with the installation base (1).

8. The translation-type four jaw positioning turner mechanism according to claim 1, wherein: The translational connecting base (10) is provided with a spring (25) on the side close to the ball press block (2), and the other end of the spring (25) is connected with the ball press block (2).

Images