CN212209455U - Guide rail type movable thimble structure - Google Patents

Abstract

The utility model relates to a portable thimble structure of guide tracked, it includes thimble seat (1), be provided with lifting support pole (2) on thimble seat (1), lifting support pole (2) top is provided with cross guide rail (3), be provided with one or more removal thimble assembly (4) on cross guide rail (3), thimble cap (5) have been put to lifting support pole (2), cross guide rail (3) and removal thimble assembly (4) dustcoat, it arranges thimble hole (6) to have seted up a plurality of cross of being on thimble cap (5), a plurality of thimble holes (6) are corresponding with the position of cross guide rail (3). The utility model relates to a portable thimble structure of guide tracked, it moves through board control thimble, moves the thimble to the position of the corresponding point that calculates, and ejecting product can adapt to the requirement of not unidimensional product.

Description

Guide rail type movable thimble structure

Technical Field

The utility model relates to a portable thimble structure of guide tracked belongs to semiconductor packaging technical field.

Background

In the existing packaging and chip mounting technology, along with different sizes and performances of mounted components, the structure of the ejector pin is innovated and adaptively adjusted, but no matter a single ejector pin or a plurality of ejector pins are adopted, the ejector pins need to be correspondingly selected according to the sizes of the components, the ejector pins are arranged according to corresponding rules, and the universality is relatively poor. The ceramic packaging has a lot of products, the distance between the ejector pins is difficult to control by using common ejector pins when the ceramic cover is covered, and the ejector pins have no obvious effect and are difficult to eject the ceramic cover.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a guide tracked portable thimble structure is provided to above-mentioned prior art, it removes through board control thimble, removes the thimble to the position of the corresponding point that calculates, and ejecting product can adapt to the requirement of not unidimensional product.

The utility model provides a technical scheme that above-mentioned problem adopted does: the utility model provides a portable thimble structure of guide tracked, it includes the thimble seat, be provided with the lift bracing piece on the thimble seat, the lift bracing piece top is provided with cross guide rail, be provided with one or more removal thimble assemblies on the cross guide rail, the thimble cap has been put to lift bracing piece, cross guide rail and removal thimble assembly periphery, set up a plurality of thimble holes that cross was arranged on the thimble cap, thimble hole range position is corresponding with cross guide rail, the thimble hole can be followed at the top of removing the thimble assembly and stretched out.

Preferably, be provided with the external screw thread on the thimble seat periphery wall, be provided with the internal thread on the thimble cap internal perisporium, the thimble cap is connected with the thimble seat through the screw thread.

Preferably, a sunken groove is formed in the center of the thimble seat, an internal thread is formed in the inner wall of the sunken groove, an external thread is formed on the peripheral wall of the lower end of the lifting support rod, and the lower end of the lifting support rod is connected with the sunken groove through the thread.

Preferably, a through hole is formed in the center of the sunken groove.

Preferably, the lifting support rod comprises an upper support rod and a lower support rod, the upper support rod is inserted into the lower support rod, and the upper support rod can move up and down in the lower support rod.

Preferably, the upper support rod and the lower support rod are both hollow cylindrical structures.

Preferably, a plurality of open grooves are formed downwards in the top of the upper supporting rod.

Preferably, the cross-shaped guide rail comprises a transverse guide rail and a longitudinal guide rail, and the transverse guide rail and the longitudinal guide rail are connected in a cross shape on the horizontal plane.

Preferably, limiting plates are arranged at the end parts of the transverse guide rail and the longitudinal guide rail.

Preferably, the movable thimble assembly comprises a sliding block, a thimble head is arranged on the sliding block, and a thimble is arranged on the thimble head.

Compared with the prior art, the utility model has the advantages of:

1. the utility model can solve the limitation caused by demoulding of the common thimble, and is suitable for chips with various sizes and other products with special structures needing to be pasted, such as ceramic covers and the like;

2. the utility model can greatly reduce the risk of top crack of the chip by the accurate movement of the thimble, so that the demoulding effect is more obvious, thereby improving the production yield;

3. the utility model discloses the change thimble that the product brought is changed in reduction that can be relative, the time of machine is transferred to calibration thimble to improve production efficiency.

Drawings

Fig. 1 is a schematic sectional view of a guide rail type movable thimble structure of the present invention.

Fig. 2 is a schematic structural view of the thimble seat in fig. 1.

Fig. 3 is a schematic view of the construction of the spike cap of fig. 1.

Fig. 4 is a schematic cross-sectional view of the spike cap of fig. 1.

Fig. 5 is a schematic structural view of the lifting support rod in fig. 1.

Fig. 6 is a schematic structural view of the cross-shaped guide rail in fig. 1.

Fig. 7 is a schematic structural view of another view of the cross-shaped guide rail in fig. 1.

Fig. 8 is a schematic structural view of the movable needle assembly in fig. 1.

Wherein:

thimble seat 1

Lifting support rod 2

Upper support rod 21

Lower support rod 22

Open groove 23

Cross-shaped guide rail 3

Transverse guide 31

Longitudinal guide rail 32

Stopper plate 33

Connecting part 34

Connecting hole 35

Movable ejector pin component 4

Slider 41

Thimble head 42

Thimble 43

Motor 44

Thimble cap 5

Thimble hole 6

Sunken groove 7

And a through hole 8.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1, the utility model relates to a guide-type movable thimble structure, which comprises a thimble seat 1, wherein a lifting support rod 2 is arranged on the thimble seat 1, a cross-shaped guide rail 3 is arranged on the top of the lifting support rod 2, one or more movable thimble assemblies 4 are arranged on the cross-shaped guide rail 3, thimble caps 5 are arranged on the peripheries of the lifting support rod 2, the cross-shaped guide rail 3 and the movable thimble assemblies 4, a plurality of thimble holes 6 arranged in a cross shape are arranged on the thimble caps 5, the arrangement positions of the thimble holes 6 correspond to the cross-shaped guide rail 3, and the tops of the movable thimble assemblies 4 can extend out of the thimble holes 6;

the outer peripheral wall of the thimble seat 1 is provided with an external thread, the inner peripheral wall of the thimble cap 5 is provided with an internal thread, and the thimble cap 5 is connected with the thimble seat 1 through a thread;

referring to fig. 2, a sunken groove 7 is formed in the center of the thimble seat 1, internal threads are formed in the inner wall of the sunken groove 7, external threads are formed in the circumferential wall of the lower end of the lifting support rod 2, and the lower end of the lifting support rod 2 is connected with the sunken groove 7 through threads;

a through hole 8 is formed in the center of the sunken groove 7;

as shown in fig. 5, the lifting support rod 2 includes an upper support rod 21 and a lower support rod 22, the upper support rod 21 is inserted into the lower support rod 22, the upper support rod 21 can move up and down in the lower support rod 22, and the ejection height of the movable thimble assembly 4 relative to the surface of the thimble hole 6 can be controlled by adjusting the position of the upper support rod 21 relative to the lower support rod 22;

the upper support rod 21 and the lower support rod 22 are both hollow cylindrical structures;

a plurality of open grooves 23 are formed downwards in the top of the upper supporting rod 21, and a control circuit of the movable ejector pin assembly 4 can enter the hollow structure of the lifting supporting rod 2 through the open grooves 23 and then penetrate out of a through hole 8 in the center of the sunken groove 7 to be connected with a machine table;

as shown in fig. 6, the cross-shaped guide rail 3 includes a transverse guide rail 31 and a longitudinal guide rail 32, and the transverse guide rail 31 and the longitudinal guide rail 32 are connected in a cross shape at the horizontal plane;

limiting plates 33 are arranged at the end parts of the transverse guide rail 31 and the longitudinal guide rail 32;

as shown in fig. 7, a connecting portion 34 is disposed at the center of the bottom of the cross-shaped guide rail 3, a connecting hole 35 is formed in the connecting portion 34, and the top of the upper support rod 21 is connected to the connecting hole 35 through a thread;

as shown in fig. 8, the movable thimble assembly 4 includes a sliding block 41, a thimble head 42 is disposed on the sliding block 41, and a thimble 43 is disposed on the thimble head 42;

the motor 44 is arranged on one side of the thimble head 42, and the motor 44 is used for driving the sliding block 41 to move on the cross-shaped guide rail 3.

The utility model relates to a portable thimble structure of guide tracked installation use as follows:

the method comprises the following steps: a thimble seat, a lifting support rod and a cross-shaped guide rail are arranged on a machine table;

step two: selecting the number of thimbles according to the product requirement, and installing a corresponding number of sliding blocks and motors for moving the thimble assemblies on the cross-shaped guide rail;

step three: mounting the thimble on the thimble head and calibrating the height and the position;

step four: mounting the calibrated thimble head on the sliding block;

step five: 4 limiting plates are installed, the movable thimble assembly is moved to the two ends of the track to be close to the limiting plates, and zeroing calibration is carried out;

step six: calculating the distance of the thimble to be moved according to the size of the product, controlling the movable thimble assembly to move to a specified point position, and calibrating and debugging;

step seven: and (4) installing a thimble cap, calibrating the ejection height of the thimble, and performing batch operation after normal operation.

In addition, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement modes should fall within the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a portable thimble structure of guide tracked which characterized in that: it includes thimble seat (1), be provided with lifting support pole (2) on thimble seat (1), lifting support pole (2) top is provided with cross guide rail (3), be provided with one or more removal thimble assembly (4) on cross guide rail (3), thimble cap (5) have been put to lifting support pole (2), cross guide rail (3) and removal thimble assembly (4) periphery, set up a plurality of thimble holes (6) that cross was arranged on thimble cap (5), thimble hole (6) are arranged the position and are corresponding with cross guide rail (3), thimble hole (6) can be followed at the top of removing thimble assembly (4) and are stretched out.

2. The guide-type movable ejector pin structure of claim 1, wherein: be provided with the external screw thread on thimble seat (1) periphery wall, be provided with the internal thread on thimble cap (5) internal perisporium, thimble cap (5) are connected with thimble seat (1) through the screw thread.

3. The guide-type movable ejector pin structure of claim 1, wherein: the center of the thimble seat (1) is provided with a sunken groove (7), the inner wall of the sunken groove (7) is provided with internal threads, the peripheral wall of the lower end of the lifting support rod (2) is provided with external threads, and the lower end of the lifting support rod (2) is connected with the sunken groove (7).

4. The guide-type movable ejector pin structure of claim 3, wherein: the center of the sunken groove (7) is provided with a through hole (8).

5. The guide-type movable ejector pin structure of claim 1, wherein: the lifting support rod (2) comprises an upper support rod (21) and a lower support rod (22), the upper support rod (21) is inserted into the lower support rod (22), and the upper support rod (21) can move up and down in the lower support rod (22).

6. The guide-type movable ejector pin structure of claim 5, wherein: the upper supporting rod (21) and the lower supporting rod (22) are both hollow cylindrical structures.

7. The guide-type movable ejector pin structure of claim 5, wherein: the top of the upper supporting rod (21) is downwards provided with a plurality of open grooves (23).

8. The guide-type movable ejector pin structure of claim 1, wherein: the cross-shaped guide rail (3) comprises a transverse guide rail (31) and a longitudinal guide rail (32), and the transverse guide rail (31) and the longitudinal guide rail (32) are connected in a cross shape at the horizontal plane.

9. The guide-type movable ejector pin structure of claim 8, wherein: limiting plates (33) are arranged at the end parts of the transverse guide rail (31) and the longitudinal guide rail (32).

10. The guide-type movable ejector pin structure of claim 1, wherein: the movable thimble assembly (4) comprises a sliding block (41), a thimble head (42) is arranged on the sliding block (41), and a thimble (43) is arranged on the thimble head (42).

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