CN215705158U - Clamping device and chip printing equipment - Google Patents

Abstract

The application discloses clamping device and chip printing apparatus, clamping device includes two fixed holders that the interval set up, two the opposite face of fixed holder is formed with the clamping face, at least one of them be provided with on the fixed holder can be to another the movable holder of the clamping face motion of fixed holder. The clamping device can accurately position the material fence, prevents the material fence from shifting, enables the size and the clamping force of the clamping space to be adjustable by arranging the movable clamping piece, and effectively prevents the material fence from deforming.

Description

Clamping device and chip printing equipment

Technical Field

The application generally relates to the technical field of semiconductor packaging, in particular to a clamping device and a chip printing device.

Background

In the semiconductor packaging process, laser printing needs to be carried out on the surface of a plastic packaging body after plastic packaging of a product is completed, and if a discharging material column of a chip printing device is deformed or the position of the material column is unstable, the phenomenon of side turning and material clamping of the packaging body due to the fact that the edge of the material column touches during discharging can be caused.

The existing chip printing equipment mainly depends on manual work to set the blanking bar at a proper position of the chip printing equipment in advance in the blanking process so as to ensure that a product enters the blanking bar, but the phenomenon that the product is damaged due to deformation of the blanking bar or abrasion of a blanking opening and poor position of the blanking bar cannot be controlled.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a clamping device and a chip printing apparatus, so as to fix a blanking bar of the chip printing apparatus in a correct position and prevent the bar from deforming.

As a first aspect of the present application, a clamping device is provided.

The clamping device includes:

two fixed holders that the interval set up, two the opposite face of fixed holder is formed with the clamping face, at least one of them be provided with on the fixed holder can be to another the activity holder of the clamping face motion of fixed holder.

Preferably, the movable clamp includes:

a clamp plate mounted to the fixed clamp member in a reciprocating manner relative to the fixed clamp member, and an elastic member having a force tending to move the clamp plate closer to a clamping surface of the other fixed clamp member.

Preferably, the movable clamp further comprises:

one end of the connecting piece can be arranged on the fixed clamping piece in a reciprocating motion mode along the axis of the connecting piece, the other end of the connecting piece is connected with the clamping plate, and the elastic piece is sleeved on the connecting piece.

Preferably, the opposite surfaces of the fixed clamping piece are provided with a first step surface and a second step surface which are distributed along the vertical direction of the fixed clamping piece and are in a step shape, the first step surface is higher than the second step surface, and the movable clamping piece is arranged on the second step surface.

Preferably, the clamping device comprises one movable clamping piece, the movable clamping piece is arranged on the second step surface of one of the fixed clamping pieces, and a clamping space for clamping the to-be-clamped piece is formed between the clamping plate and the second step surface of the other fixed clamping piece.

Preferably, the clamping device further comprises two limiting parts which are arranged between the two fixed clamping parts and are arranged at intervals along the horizontal direction of the fixed clamping parts, and the limiting parts are connected to the first step surface close to the end parts of the fixed clamping parts and are positioned on the movable clamping parts.

Preferably, the end of the fixed clamping member for inserting the member to be clamped into the clamping space is formed with a first guiding inclined surface, and the first guiding inclined surface is inclined from the second step surface to a direction close to the back surface of the fixed clamping member.

Preferably, an end of the clamp plate opposite to the first guide slope has a second guide slope inclined in a direction opposite to the first guide slope.

Preferably, at least one mounting part for fixing the clamping device to the chip printing equipment is arranged on the back surface of the fixed clamping piece.

As a second aspect of the present application, there is provided a chip printing apparatus.

Preferably, the chip printing apparatus comprises at least one clamping device as described in the first aspect.

Has the advantages that:

the clamping device can accurately position the material fence, prevents the material fence from shifting, enables the size and the clamping force of the clamping space to be adjustable by arranging the movable clamping piece, and effectively prevents the material fence from deforming.

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic view of a preferred embodiment of a clamping device of the present application;

FIG. 2 is a schematic view of the present application showing a stationary clamp;

FIG. 3 is a schematic view of another embodiment of the present invention;

FIG. 4 is a schematic view of the movable clamp of the present application;

FIG. 5 is a schematic view of the connection between the movable clamping member and the fixed clamping member;

FIG. 6 is a schematic structural diagram of a limiting element according to the present application;

FIG. 7 is a schematic structural diagram of another position limiter according to the present application;

FIG. 8 is a schematic view of the construction of the mount of the present application;

FIG. 9 is a side view of the clamping device of the present application clamping a fence;

fig. 10 is a schematic structural view of a material column according to a preferred embodiment of the present application.

Detailed Description

The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.

It should be noted that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in an orientation or positional relationship indicated in the drawings for convenience and simplicity of description only, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting.

It should be noted that in the description of the present application, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

It should be noted that unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly and include, for example, fixed or removable connections or integral connections; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

According to a first aspect of the present application, please refer to fig. 1-8, which illustrate a clamping device of a preferred embodiment of the present application, comprising two fixed clamping members 1 arranged at intervals, wherein the opposite surfaces of the two fixed clamping members 1 are formed with clamping surfaces, and at least one of the fixed clamping members 1 is provided with a movable clamping member 2 capable of moving towards the clamping surface of the other fixed clamping member 1.

Specifically, the fixed clamping pieces 1 have an inner wall surface 11 and an outer wall surface 12, when the two fixed clamping pieces 1 are arranged at intervals, the inner wall surfaces 11 of the two fixed clamping pieces are arranged oppositely, and the inner wall surfaces 11 are used as clamping surfaces;

in some modes, a movable clamping piece 2 is arranged on the inner wall surface 11 of one fixed clamping piece 1, and the movable clamping piece 2 is matched with the inner wall surface 11 of the other fixed clamping piece 1 to form a clamping space 3 for clamping a piece to be clamped;

in other modes, the inner wall surfaces 11 of the two fixed clamping pieces 1 are respectively provided with a movable clamping piece 2, and a clamping space 3 for clamping a piece to be clamped is formed between the two movable clamping pieces 2;

the movable clamping piece 2 can move towards the clamping surface of the other fixed clamping piece 1, so that the clamping space 3 is formed into a variable clamping space with adjustable size and clamping force, the clamping device is suitable for clamping pieces to be clamped with different sizes, and the pieces to be clamped can be effectively prevented from deforming;

in some modes of the application, the to-be-clamped piece is a blanking bar of the chip printing equipment; wherein, in some aspects of the present application, the movement of the movable clamping member 2 may be driven by an elastic force or a mechanical force such as a bolt, which is not limited in the present application.

Further, in some preferred embodiments of the present application, the movable clamp 2 includes a clamp plate 21 and an elastic member 22, the clamp plate 21 is mounted to the fixed clamp 1 in a reciprocating manner with respect to the fixed clamp 1, and the elastic member 22 has a force tending to move the clamp plate 21 closer to a clamping surface of the other fixed clamp 1.

Illustratively, in some embodiments of the present application, the elastic member 22 is a compression spring, which is located between the clamping plate 21 and the fixed clamping members 1, and the clamping plate 21 can overcome the elastic force of the elastic member 22 when the material column enters between two fixed clamping members 1 to clamp the material column between the clamping plate 21 and the inner wall surface 11 of the other fixed clamping member 1; meanwhile, the elastic piece 22 drives the clamping plate 21 to be tightly attached to the material column, so that the clamping plate and the material column are kept in a compressed state, the material column is tightly fixed in the clamping device, and the material column position is prevented from deviating in the blanking process; in addition, the movable clamping piece 2 is arranged, so that the clamping space 3 is formed into an elastic clamping space, the size and the clamping force are adjustable, the clamping device is suitable for material rails with different sizes, and the deformation of the material rails can be effectively prevented;

in some forms, both ends of the elastic member 22 are connected to the clamp plate 21 and the inner wall surface 11 of the fixed clamp 1, respectively.

Further, in some preferred embodiments, the movable clamping member 2 further includes a connecting member 23, one end of the connecting member 23 is reciprocally mounted to the fixed clamping member 1 along its axis, the other end is connected to the clamping plate 21, and the elastic member 22 is sleeved on the connecting member 23.

Specifically, as shown in fig. 4 and 5, a plurality of connecting pieces 23 are distributed on a surface of the clamping plate 21 for connecting with the inner wall surface 11 of the fixed clamping piece 1, the connecting pieces 23 are hollow cylinders, and threads are arranged in the hollow cylinders; a plurality of through holes 13 for the connecting pieces 23 to pass through and guiding the movement of the clamping plates 21 are formed on the fixed clamping piece 1, the through holes 13 are matched with the connecting pieces 23 in shape and size, and the connecting pieces 23 pass through the through holes 13 and are fixed through bolts, so that the movable clamping piece 2 is installed on the inner wall surface 11 of the fixed clamping piece 1; the elastic part 22 is arranged between the clamping plate 21 and the fixed clamping part 1, and the elastic deformation force of the elastic part and the acting force exerted when the material column enters the clamping space 3 drive the clamping plate to reciprocate in the X-axis direction; wherein the plurality of connecting pieces 23 are distributed on the clamping plate 21 at equal intervals;

in some forms, the two ends of the elastic member 22 are respectively connected with the clamping plate 21 and the fixed clamping member 1, and in the reciprocating motion of the clamping plate 21, one end of the elastic member 22 abuts against the clamping plate 21, and the other end abuts against the inner wall surface 11 of the fixed clamping member 1;

in another mode, one end of the elastic member 22 is connected to the clamp plate 21, and the other end is a free end, and during the reciprocating movement of the clamp plate 21, one end abuts against the clamp plate 21, and the other end abuts against the inner wall surface 11 of the fixed clamp 1.

Further, in some preferred embodiments of the present application, as shown in fig. 2 and 3, opposite surfaces of the fixed clamping member 1 have a first step surface 14 and a second step surface 15 which are stepped and distributed along a vertical direction of the fixed clamping member 1, the first step surface 14 is higher than the second step surface 15, and the movable clamping member 2 is disposed on the second step surface 15.

Specifically, the fixed clamping member 1 is a rectangular plate-shaped structure, a first step surface 14 and a second step surface 15 are sequentially distributed on an inner wall surface 11 of the fixed clamping member from top to bottom along the width direction of the fixed clamping member 1, the depth of the second step surface 15 is greater than that of the first step surface 14, the first step surface 14 and the second step surface 15 are connected through a first connecting surface 16, when the movable clamping member 2 is arranged on the second step surface 15, the top of a clamping plate 21 of the movable clamping member 2 can abut against the first connecting surface 16, and the second step surface 15 serves as a clamping surface;

in the present embodiment, the space between the two fixed grippers 1 has a first opening 41 and a second opening 42 along the width direction of the fixed grippers 1, the gripping space 3 is formed near the second opening 42, when the magazine is disposed in the gripping space 3 with the inlet facing upward, the printed chips are fed into the magazine from the magazine inlet via the first opening 41, and the first step surface 14 of the fixed grippers 1 performs a limiting and guiding function on the chips, so that the chips can be smoothly fed into the magazine.

Further, in some preferred embodiments of the present application, one of the movable clamping members 2 is included, the movable clamping member 2 is disposed on the second step surface 15 of one of the fixed clamping members 1, and a clamping space 3 for clamping the member to be clamped is formed between the clamping plate 21 and the second step surface 15 of the other fixed clamping member 1.

In the present embodiment, when the material column is disposed in the clamping space 3 with the inlet facing upward, one of the two opposite surfaces of the material column abuts against the clamping plate 21, the other one abuts against the second step surface 15 of the other fixed clamping member 1, and the edge portion enclosing the inlet of the material column abuts against the first connecting surface 16, so that the printed chips can smoothly fall down and can smoothly enter the material column.

Further, in some preferred embodiments of the present application, the clamping device further includes two limiting members 5 disposed between the two fixed clamping members 1 and spaced apart from each other along the horizontal direction of the fixed clamping members 1, and the limiting members 5 are connected to the first step surface 14 near the end of the fixed clamping member 1 and located on the movable clamping member 2.

Specifically, the space between the two fixing clamps 2 has a third opening 43 and a fourth opening 44 along the length direction of the fixing clamp 1, and the limiting member 5 is disposed at the third opening 43 and the fourth opening 44 respectively, and plays a limiting role in limiting the material column clamped in the clamping space 3.

In some preferred forms, as shown in fig. 6 and 7, the limiting member 5 has one or more first mounting holes 51, the fixing clamp 1 has one or more second mounting holes 17, and the limiting member 5 is fixed to the first step surface 14 by a fastener such as a bolt.

In some preferred embodiments, the limiting member 5 is fixedly connected to the first step surface 14 of the fixed clamping member 1 without the movable clamping member 2, and has a suitable gap with the fixed clamping member 1 connected with the movable clamping member 2, so as to adjust the position of the material column in real time. The heights of the two limiting members 5 may be the same or different.

In the present embodiment, one of the fixed clamps 1 has a through hole 13 for mounting the movable clamp 2, and the other fixed clamp 1 does not have the through hole 13; the fixed clamp 1 without the through hole 13 has a second mounting hole 17 for connecting the limiting member 5, and the other corresponding fixed clamp 1 does not have the second mounting hole 17.

Further, in some preferred embodiments of the present application, the end of the fixed clamp 1 for inserting the piece to be clamped into the clamping space 3 is formed with a first guiding inclined surface 18, and the first guiding inclined surface 18 is inclined from the second step surface 15 to a direction close to the back surface of the fixed clamp 1.

Illustratively, as shown in fig. 3 and 9, the inner wall surface 11 at the end near the fourth opening 43 has a first guide slope 18, and the first guide slope 18 is inclined from the second step surface 15 toward the outer wall surface 12.

Further, in some preferred embodiments of the present application, as shown in fig. 5 and 9, an end of the clamping plate 21 opposite to the first guide slope 18 has a second guide slope 24, and the second guide slope 24 is inclined in an opposite direction to the first guide slope 18.

Illustratively, as shown in fig. 5, the end portion of the clamping plate 21 near the fourth opening 44 has a second guiding inclined surface 24, and the second guiding inclined surface 24 is inclined toward the outer wall surface 12

In the above embodiment, the fourth opening 44 is used as an entrance for the material column to enter the clamping space 3, and the first guiding inclined plane 18 and the second guiding inclined plane 24 can smoothly and accurately enable the material column to be clamped to be loaded into and unloaded from the clamping space 3, thereby improving the loading and unloading efficiency of the material column.

Further, as shown in fig. 1, 8 and 9, in some preferred embodiments of the present application, at least one mounting member 6 for fixing the clamping device to the chip printing apparatus is disposed on the opposite side of the fixed clamping member 1.

Specifically, at least one mounting member 6 is provided on the outer wall surface 12 of each fixed clamp 1, the clamping device is fixed in place of the chip printing apparatus by the mounting member 6, wherein the fixed clamp 1 has a plurality of third mounting holes 19 thereon, the mounting member 6 has a corresponding plurality of fourth mounting holes 61 thereon, the mounting member 6 is fixed to the outer wall surface 12 of the fixed clamp 1 by a fastener such as a bolt, and the mounting member 6 has a fixing hole 62 thereon for fixing it to the chip printing apparatus.

In some forms, the mounting member 6 is an L-shaped structure.

Furthermore, grooves are formed in the end portions, close to the first opening 41, of the fixed clamping piece 1 and the limiting piece 5, and the grooves are used as clamping ports of a mechanical material clamp of the laser printing equipment, so that printed chips can be conveniently conveyed into the material column through the mechanical material clamp.

As shown in fig. 10, there is shown a blanking material column 7 commonly used in the art, which is surrounded by a first frame 71, a second frame 72 and a third frame 73 to form a carrying space 74 for carrying chips, the carrying space 74 includes an inlet 75 and an outlet 76 along the length direction of the frames, and the printed chips enter the carrying space 74 from the inlet 75 and are transported to the next process together with the material column.

The use of the clamping device in one embodiment of the present application is as follows:

the material rail 7 is inserted into the clamping space 3 from the fourth opening 44 of the clamping device, at this time, the first frame 71 of the material rail 7 abuts against the second step surface 15 of one of the fixed clamping members 1, the second frame 72 of the material rail 7 abuts against the clamping plate 21 mounted on the second step surface 15 of the other fixed clamping member 1, and the upper end (i.e., the end where the inlet 75 is formed) of the material rail 7 abuts against the first connecting surface 16 and is located below the limiting member 5;

the printed chips pass from the first opening 41 of the clamping device via the inlet 75 of the material bar 7 into the carrier space 74;

the magazine 7 is unloaded from the fourth opening 44 of the clamping device and the chips are transported to the next process.

According to a second aspect of the present application, there is provided a chip printing apparatus comprising at least one clamping device as described above.

Further, chip printing equipment is including the centre gripping arm that is used for the centre gripping chip, clamping device is fixed in the suitable position that is located the centre gripping arm below, just clamping device with the relative slip setting of centre gripping arm in the horizontal direction is convenient for adjust the position in real time according to the operation condition, makes things convenient for the unloading.

The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be replaced with (but not limited to) features having similar functions disclosed in the present application.

Claims (10)

1. A clamping device, comprising:

two fixed holders that the interval set up, two the opposite face of fixed holder is formed with the clamping face, at least one of them be provided with on the fixed holder can be to another the activity holder of the clamping face motion of fixed holder.

2. The clamp device of claim 1, wherein the movable clamp comprises:

a clamp plate mounted to the fixed clamp member in a reciprocating manner relative to the fixed clamp member, and an elastic member having a force tending to move the clamp plate closer to a clamping surface of the other fixed clamp member.

3. The clamp device of claim 2, wherein the movable clamp further comprises:

one end of the connecting piece can be arranged on the fixed clamping piece in a reciprocating motion mode along the axis of the connecting piece, the other end of the connecting piece is connected with the clamping plate, and the elastic piece is sleeved on the connecting piece.

4. The clamping device as claimed in claim 2, wherein the opposite faces of the fixed clamping member have a first step face and a second step face which are stepped and distributed along the vertical direction of the fixed clamping member, the first step face is higher than the second step face, and the movable clamping member is arranged on the second step face.

5. The clamping device as claimed in claim 4, comprising a movable clamping member, wherein the movable clamping member is arranged on the second step surface of one of the fixed clamping members, and a clamping space for clamping the member to be clamped is formed between the clamping plate and the second step surface of the other fixed clamping member.

6. The clamping device as claimed in claim 4, further comprising two limiting members disposed between the two fixed clamping members and spaced apart from each other along a horizontal direction of the fixed clamping members, wherein the limiting members are connected to the first step surface near the end of the fixed clamping members and located above the movable clamping members.

7. A holding apparatus according to claim 5, wherein the end of the fixed holding member for inserting the member to be held into the holding space is formed with a first guide slope inclined from the second step face in a direction close to the opposite face of the fixed holding member.

8. A holding arrangement as claimed in claim 7, wherein the end of the clamping plate opposite the first guide ramp has a second guide ramp inclined in the opposite direction to the first guide ramp.

9. Clamping device according to claim 1, characterized in that the opposite side of the fixed clamping part is provided with at least one mounting for fixing the clamping device to a chip printing apparatus.

10. A chip printing apparatus comprising at least one clamping device as claimed in any one of claims 1 to 9.

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