CN217307986U - Device for clamping frameless PCB - Google Patents

Abstract

The utility model discloses a device for no frame PCB centre gripping, include, fixed frame includes a plurality of side shields and surrounds the holding chamber that forms by a plurality of side shields, is provided with the centre gripping frame on one of them side shield of fixed frame, is provided with the recess on the centre gripping frame, one of them side of recess is linked together with the holding chamber; the recess is provided with at least one elastic component towards the lateral wall in holding chamber, and at least one elastic component is connected with the holder, and the bottom surface of recess is provided with a plurality of slide rails, a plurality of slide rails respectively with holder sliding connection. When a product is put into the device, the clamping piece moves towards one end far away from the center of the accommodating cavity to drive the elastic piece to compress, so that a larger accommodating space is provided for putting the product into the accommodating cavity; after the product is placed into the device, the clamping piece is loosened, the elastic piece is under the action of elastic force, the clamping edge of the clamping piece is tightly attached to the product, and the product is clamped under the constant clamping force provided by the elastic piece.

Description

Device for clamping frameless PCB

Technical Field

The utility model relates to a centre gripping of hardboard PCB printed board class, the no frame's of specially adapted double-sided all having components and parts hardboard PCB carries out the centre gripping.

Background

At present, the hard board is mainly used as automatic equipment, a transmission edge is reserved for transmission line transmission on a hard board PCB in the past, but when the hard board PCB is used in some special applications, if a panel direct display module is used, the transmission edge is cut off at the rear end, so that the material needs to be transported to a carrier and the like, the carrier is in a vacuum adsorption mode, the carrier is designed and processed in a complex mode, corresponding vacuum devices need to be configured, the cost is high, and fault points are multiple.

The existing carrier adopts a vacuum adsorption mode, aiming at a hard board PCB material with components on one side, an adsorption flat plate can be adopted, the material can be fixed by vacuum adsorption, but for the material with components on both sides, an adsorption cavity needs to be manufactured by copying for each material, and the design and the processing are complex; meanwhile, vacuum adsorption needs to be matched with a pneumatic device, and the binding points transferred each time are worn and aged.

Found through the retrieval, chinese of publication No. CN214102217U specially does benefit to 2021 year 8 month 31 and discloses a PCB fixture, including the PCB grip slipper, the benchmark board, left holder, right holder, go up the holder, along the absorption slider on the PCB grip slipper of Y axle direction sliding connection, be used for driving the gliding absorption power unit of absorption slider, set up the adsorption component on the absorption slider, it sets up in the top of benchmark board to go up the holder, left holder, right holder sets up respectively in the both sides of benchmark board, the adsorption component includes the vacuum chuck that a plurality of set up along the Y axle direction, absorption power unit sets up on the PCB grip slipper, absorption power unit's output drive connection absorption slider.

However, this patent still exists the problem that the corresponding adsorption component of needs according to the absorption product design that this application provided, for reducing design processing requirement, reduces the fault point, reduce cost, the utility model provides a device for no frame PCB centre gripping.

Disclosure of Invention

For overcoming the not enough of above-mentioned prior art, the utility model provides a device for frameless PCB centre gripping adopts a non-vacuum adsorption's fixed mode of centre gripping, has avoided the wearing and tearing of pneumatic device and ageing fault point, also need not design the profile modeling, great reduction the processing degree of difficulty and requirement, the device cost that corresponds descends by a wide margin.

The utility model discloses a realize through following technical scheme:

a device for clamping a frameless PCB comprises a fixed frame, wherein the fixed frame comprises a plurality of side baffles and an accommodating cavity formed by the side baffles in a surrounding manner, a clamping frame is arranged on one side baffle of the fixed frame, a groove is formed in the clamping frame, and one side of the groove is communicated with the accommodating cavity; the lateral wall of recess orientation holding chamber is provided with at least one elastic component, at least one the elastic component is connected with the holder, the bottom surface of recess is provided with a plurality of slide rails, and is a plurality of the slide rail respectively with holder sliding connection.

In the technical scheme, when a product is put into the device, the clamping piece is pressed towards one end far away from the center of the accommodating cavity, and the clamping piece moves towards one end far away from the center of the accommodating cavity to drive the elastic piece to compress, so that a larger accommodating space is provided for putting the product into the accommodating cavity; after putting into the device with the product, unclamping the holder, the elastic component drives the holder under the effect of elasticity and moves towards the one end at holding chamber center, and the product is hugged closely on the centre gripping limit of holder, presss from both sides tightly the product under the invariable clamping-force that the elastic component provided.

Preferably, except the side baffle plates for clamping the frame, the fixed frame is provided with limiting material bosses on the upper end surfaces of the other side baffle plates.

Specifically, every spacing material boss contacts with the side step surface of product respectively, carries on spacingly to the side step surface of product, is fixed in the holding intracavity with the product, carries out further protection to the product, prevents that the product atress is uneven in the confined frame all around, also prevents the position deviation of product in the confined frame all around.

Preferably, the upper end face of the limiting material boss is lower than the upper end face of the product after the clamped product is placed in the accommodating cavity.

Specifically, be provided with components and parts on the upper surface of product, when the side step surface of avoiding spacing material boss and product contacted, because spacing material boss is higher than the side step surface of product, cause spacing material boss and the upper surface of product to contact to the components and parts damage that leads to setting up on the upper surface of product, so set up the up end of spacing material boss for being less than the product up end.

Preferably, the upper end surface of the clamping frame is lower than the upper end surface of the product after the clamped product is placed in the accommodating cavity.

Specifically, when the clamping edge of the clamping piece is prevented from contacting with the side step surface of the product, the clamping edge of the clamping piece is caused to contact with the upper surface of the product due to the fact that the clamping edge of the clamping piece is higher than the side step surface of the product, and therefore the component arranged on the upper surface of the product is damaged, and therefore the upper end face of the clamping edge of the clamping piece is set to be lower than the upper end face of the product.

Preferably, the side baffle provided with the clamping frame is provided with at least one cushion block towards the side wall of the accommodating cavity.

Specifically, two cushion blocks can be used and are respectively arranged on two sides of the clamping frame, so that fewer materials can be used, and the effect of bearing the shielding copper-clad edge of the product is achieved.

Preferably, the height of the cushion block and the height of the side baffle in the vertical direction are consistent.

Specifically, the height of the upper end faces of the cushion block and the fixed frame side baffle is consistent, the upper end faces of the cushion block and the fixed frame side baffle are used for bearing shielding copper-clad edges of products, the products are further limited in the horizontal direction, and the products are prevented from shifting in the fixed frame.

Preferably, the bottom surface of the groove is provided with at least one limiting screw for limiting the clamping piece.

Specifically, the limiting screw is used for limiting the clamping piece, and the clamping piece is prevented from exceeding and holding the maximum relative displacement between the frames under the action of the elastic piece, so that the maximum moving distance of the clamping piece is limited.

Preferably, the bottom surface of the groove is provided with three slide rails and two limit screws, and each limit screw is respectively located between two adjacent slide rails.

Specifically, use two stop screw, set up respectively between two adjacent slide rails, all carry on spacingly to the both ends of holder, be favorable to the stability of holder installation on the spout bottom surface.

Preferably, the slide rail is provided with three, evenly distributed on the spout bottom surface.

Specifically, be provided with three on the spout bottom surface the slide rail, respectively with the intermediate position of holder with control both ends position looks adaptation, provide the track for the installation of holder and spout bottom surface.

Preferably, the bottom surface of the groove is provided with three slide rails and two elastic pieces, and each elastic piece is located between two adjacent slide rails.

Specifically, both sides on the relative lateral wall of spout and fixed frame are provided with two springs respectively, are favorable to the holder atress even, if only set up a spring at the intermediate position, then the intermediate position of holder must receive great elastic force, and the both ends of holder then do not receive elastic force, cause the holder atress inhomogeneous, can't reach better centre gripping effect.

Compared with the prior art, the beneficial effects of the utility model reside in that:

(1) in the utility model, when the product is put into the device, the clamping piece is pressed towards one end far away from the center of the accommodating cavity, and the clamping piece moves towards one end far away from the center of the accommodating cavity to drive the elastic piece to compress, so that a larger accommodating space is provided for putting the product into the accommodating cavity; after the product is placed into the device, the clamping piece is loosened, the elastic piece drives the clamping piece to move towards one end of the center of the accommodating cavity under the action of elastic force, the clamping edge of the clamping piece is tightly attached to the product, and the product is clamped under constant clamping force provided by the elastic piece;

(2) the utility model adopts a non-vacuum adsorption clamping and fixing mode, effectively prevents the components on the surface of the product from being damaged, avoids the wear and aging fault points of pneumatic components, does not need to design profiling, greatly reduces the processing difficulty and requirements, and greatly reduces the corresponding device cost;

(3) the utility model is suitable for a two-sided all has components and parts, and especially the upper surface is covered with components and parts, and components and parts easily receive external force to damage.

Drawings

Fig. 1 is a schematic view of a clamping frame installation of a device for clamping a frameless PCB according to an embodiment of the present invention;

fig. 2 is a schematic view of a clamp installation of the device for clamping a borderless PCB according to an embodiment of the present invention;

fig. 3 is a schematic diagram of a product clamp of the apparatus for frameless PCB clamping according to an embodiment of the present invention;

fig. 4 is a front view of a product clamp of an apparatus for borderless PCB clamping according to an embodiment of the present invention;

fig. 5 is a product clamping side view of an apparatus for frameless PCB clamping according to an embodiment of the present invention;

fig. 6 is a schematic top surface view of a product of an apparatus for borderless PCB clamping according to an embodiment of the present invention;

fig. 7 is a schematic view of a lower surface of a product of the device for borderless PCB clamping according to an embodiment of the present invention;

in the figure: 1. fixing the frame; 2. a limit screw; 3. a spring; 4. a slide rail; 5. clamping the frame; 6. a clamping member; 7. producing a product; 8. a cushion block; a. the upper surface of the product; b. a product side step surface; c. a product downstep surface; d. coating copper edges on the product; e. a second contact surface; f. a third contact surface; g. a fourth contact surface; h. a first limiting material boss; i. a second limiting material boss; j. a third limiting material boss; k. a first contact surface.

Detailed Description

The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

As shown in fig. 1 to 7, the present embodiment provides a device for clamping a frameless PCB, including a fixed frame 1, where the fixed frame 1 includes a plurality of side baffles and an accommodating cavity surrounded by the side baffles, a clamping frame 5 is disposed on one side baffle of the fixed frame 1, a groove is disposed on the clamping frame 5, and one side of the groove is communicated with the accommodating cavity; the lateral wall of recess orientation holding chamber is provided with at least one elastic component, at least one the elastic component is connected with holder 6, the bottom surface of recess is provided with a plurality of slide rails 4, and is a plurality of slide rails 4 respectively with holder 6 sliding connection.

Except the side baffle plates which are provided with the clamping frame 5, the fixed frame 1 is provided with limiting material bosses on the upper end surfaces of the other side baffle plates.

Furthermore, a first limiting material boss h, a second limiting material boss i and a third limiting material boss j are respectively arranged on the top surface of the fixed frame, wherein the first limiting material boss h is in contact with a first contact surface k of the product side step surface b; the second limiting material boss i is in contact with a second contact surface e of the product side stepped surface b; and the third limiting material boss j is in contact with a third contact surface f of the stepped surface b of the product side.

The upper end face of the limiting material boss is lower than the upper end face of the product 7 after the clamped product 7 is placed into the accommodating cavity.

Further, in order to ensure that components on the upper surface a of the borderless PCB7 are not damaged after clamping, the first material limiting boss h, the second material limiting boss i, and the third material limiting boss j, which are in contact with the first contact surface k, the second contact surface e, and the third contact surface f, are all lower than the upper surface a of the borderless PCB7 after assembly.

The upper end surface of the clamping frame 5 is lower than the upper end surface of the product 7 after the clamped product 7 is placed in the accommodating cavity.

Further, in order to ensure that components on the upper surface a of the borderless PCB7 are not damaged after clamping, the clamping edges of the clamping members 6 in contact with the fourth contact surface g are all lower than the upper surface a of the borderless PCB7 after assembly.

The side baffle provided with the clamping frame 5 is provided with at least one cushion block 8 towards the side wall of the accommodating cavity. The height of the cushion block 8 is consistent with that of the side baffle in the vertical direction.

At least one limiting screw 2 is arranged on the bottom surface of the groove and used for limiting the clamping piece 6. The bottom surface of recess is provided with three slide rail 4 and two stop screw 2, each stop screw 2 is located respectively between two adjacent slide rails 4. The bottom surface of recess is provided with three slide rail 4 and two elastic component, each the elastic component is located between two adjacent slide rail 4 respectively.

The working principle is as follows:

a plurality of side shields and by a plurality of side shields around the holding chamber that forms, form a fixed frame 1 that seals all around, be provided with centre gripping frame 5 on one of them side shield of fixed frame 1, holder 6 passes through slide rail 4 sliding connection on centre gripping frame 5 to move on centre gripping frame 5, carry out the centre gripping to product 7 under the drive of spring 3.

When a product 7 is placed into the device, the clamping piece 6 is pressed towards one end far away from the center of the accommodating cavity, and the clamping piece 6 moves towards one end far away from the center of the accommodating cavity to drive the spring 3 to compress so as to provide a larger accommodating space for placing the product 7 into the accommodating cavity; after putting into the device with product 7 back, unclamp holder 6, spring 3 drives holder 6 and removes towards the one end at holding chamber center under the effect of elastic force, and product 7 is hugged closely on the centre gripping limit of holder 6, presss from both sides tightly product 7 under the invariable clamping-force that the elastic component provided.

The frameless PCB7 is placed in the device mounting frame 1, and the clamping edge 6 provides a constant clamping force due to the deformation of the 2 springs 3 with a fixed length, so as to clamp the frameless PCB 7.

The upper surface a and the lower surface c of the frameless PCB7 are both provided with components, wherein the components are fully distributed on the upper surface a, and the periphery of the lower step surface c is provided with a shielding copper-clad edge d with the width generally more than or equal to 3 mm. The shielding copper-clad edges of the products 7 are borne by the cushion blocks 8 and the top surfaces of the fixed frames 1, and are used for further limiting the products 7 in the horizontal direction, so that the products 7 are prevented from shifting in the positions of the fixed frames 1.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not depart from the essence of the corresponding technical solutions of the embodiments of the present invention.

Claims (9)

1. A device for clamping a frameless PCB is characterized by comprising a fixed frame, wherein the fixed frame comprises a plurality of side baffles and an accommodating cavity formed by the side baffles in a surrounding manner, a clamping frame is arranged on one side baffle of the fixed frame, a groove is formed in the clamping frame, and one side of the groove is communicated with the accommodating cavity; the lateral wall of recess orientation holding chamber is provided with at least one elastic component, at least one the elastic component is connected with the holder, the bottom surface of recess is provided with a plurality of slide rails, and is a plurality of the slide rail respectively with holder sliding connection.

2. The device for clamping the frameless PCB of claim 1, wherein the fixed frame is provided with a limit material boss on the upper end surface of other side baffle plates except the side baffle plates for clamping the frame.

3. The device for clamping the frameless PCB as recited in claim 2, wherein the upper end surface of the limiting material boss is lower than the upper end surface of the product after the clamped product is placed in the accommodating cavity.

4. The device as claimed in claim 1, wherein the upper end surface of the clamping frame is lower than the upper end surface of the clamped product after the clamped product is placed in the receiving cavity.

5. The device for clamping the frameless PCB of claim 1, wherein the side baffle provided with the clamping frame is provided with at least one cushion block towards the side wall of the accommodating cavity.

6. The device for borderless PCB clamping according to claim 5, wherein the height of the spacer block and the side dams in the vertical direction is identical.

7. The device as claimed in claim 1, wherein at least one limit screw is provided on a bottom surface of the groove for limiting the clamping member.

8. The device for clamping the frameless PCB of claim 1, wherein the bottom surface of the groove is provided with three sliding rails and two limiting screws, and each limiting screw is respectively positioned between two adjacent sliding rails.

9. The device as claimed in claim 1, wherein the bottom surface of the groove is provided with three sliding rails and two elastic members, and each elastic member is located between two adjacent sliding rails.

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