CN218700539U

CN218700539U - Fixing clamp

Info

Publication number: CN218700539U
Application number: CN202222617846.2U
Authority: CN
Inventors: 屈洁昊; 殷根华; 殷胜炯; 吴细南; 朱红琴; 范琴琴; 许王杰; 陈江凯
Original assignee: Zhejiang Huashuaote New Material Technology Co ltd
Current assignee: Zhejiang Huashuaote New Material Technology Co ltd
Priority date: 2022-09-29
Filing date: 2022-09-29
Publication date: 2023-03-24
Anticipated expiration: 2032-09-29

Abstract

The application provides a fixation clamp. Including first centre gripping arm, second centre gripping arm and connection first centre gripping arm with the linking arm of second centre gripping arm, first centre gripping arm and second centre gripping arm parallel arrangement, first centre gripping arm inboard forms first connecting surface and is for the convex first clamping face of first connecting surface, second centre gripping arm inboard forms the second and connects the face and connect the convex second clamping face for the second, first clamping face forms the anti-skidding structure who is used for increasing frictional force with the second clamping face respectively. This application can provide stable and accurate vertical thickness, and when can effectively avoiding using the rotation type clamping piece to carry out thickness control, the shaping panel thickness degree of consistency that appears is problem on the low side, improves the uniformity, and can be applicable to different thickness production demands, simple structure, with low costs.

Description

Fixing clamp

Technical Field

The application relates to the technical field of casting molding, in particular to a fixing clamp.

Background

The casting molding is a common method in the polymer processing technology, and the common process is to inject liquid monomer or prepolymer into a mold for curing molding under normal pressure, and finally obtain a polymer product with the same shape as the inner cavity of the mold. At present, when large-size polymer products are prepared in the industrial field, a mold is usually provided with a cavity formed by clamping a soft adhesive tape by toughened glass arranged in an alignment mode, and binding force between the toughened glass is provided by clamping pieces arranged at proper intervals around the mold. However, in the thermoforming process of the polymer product, the rubber strip is slowly softened, and the radial asynchronous stretching of a local area occurs, so that the risk of low thickness consistency of the formed plate exists. In addition, because the prior rotary clamping member is operated manually, sensory deviation on force application torque exists, so that the vertical binding force of a single clamping member fluctuates within a certain range, and more problem points are introduced for thickness control.

In view of the above problems, those skilled in the art have sought solutions.

Disclosure of Invention

The technical problem that this application will solve lies in, to above-mentioned prior art's defect, provides a fixation clamp, provides stable and accurate vertical thickness, when having solved and having used rotary clamping spare to carry out thickness control, the shaping panel thickness degree of consistency of appearance problem on the low side.

In order to achieve the above purpose, the present application is implemented by the following technical solutions:

the utility model provides a fixing clamp, the fixing clamp includes first centre gripping arm, second centre gripping arm and connection first centre gripping arm with the linking arm of second centre gripping arm, first centre gripping arm and second centre gripping arm parallel arrangement, first centre gripping arm inboard form first connecting surface and for the convex first clamping face of first connecting surface, second centre gripping arm inboard forms the second and connects the face and connect the convex second clamping face for the second, first clamping face forms the anti-skidding structure who is used for increasing frictional force respectively with the second clamping face.

Optionally, the first clamping arm and the second clamping arm are mirror-symmetrical with respect to a perpendicular bisector of the connecting arm.

Optionally, the fixing clip includes a third connecting surface located between the first connecting surface and the second connecting surface, and corners between the third connecting surface and the first connecting surface and the second connecting surface are both arc chamfers.

Optionally, the fixing clip includes a first top surface located in the first clamping arm and a second top surface located in the second clamping arm, the first top surface and a corner of the outside of the first clamping arm form an arc chamfer, the second top surface and a corner of the outside of the second clamping arm form an arc chamfer, and the corners of the outside of the connecting arm all form an arc chamfer.

Optionally, the connecting arm includes first linkage segment, second linkage segment, the fixation clamp still includes the bolt, first linkage segment is equipped with first screw, the second linkage segment is equipped with the second screw, the bolt runs through penetrate behind the second screw first screw for control the length of connecting arm.

Optionally, the vertical distance between the first top surface and the third connecting surface is 30-60mm, the vertical distance between the second top surface and the third connecting surface is 30-60mm, the width between the first top surface and the second top surface is 5-10mm, the distance between the first clamping surface and the outer side of the first clamping arm is 5-10mm, and the distance between the second clamping surface and the outer side of the second clamping arm is 5-10mm.

Optionally, the connecting arm has a length of 50-500mm, a thickness of 5-10mm and a width of 5-10mm.

Optionally, the distance between the first clamping surface and the second clamping surface is greater than 20mm.

Optionally, the distance between the first connection face and the second connection face is greater than 20mm.

Optionally, the anti-slip structure comprises at least one of parallel stripes, diagonal stripes, and wavy stripes.

The application provides a fixation clamp, including first centre gripping arm, second centre gripping arm and connection first centre gripping arm with the linking arm of second centre gripping arm, first centre gripping arm and second centre gripping arm parallel arrangement, first centre gripping arm inboard form first connecting surface and for the convex first clamping face of first connecting surface, second centre gripping arm inboard forms the second and connects the face and connect the convex second clamping face for the second, first clamping face forms the anti-skidding structure who is used for increasing frictional force respectively with the second clamping face. This application can provide stable and accurate vertical thickness, and when can effectively avoiding using rotation type clamping piece to carry out thickness control, the shaping panel thickness degree of consistency that appears is low on the low side problem, improves the uniformity, and can be applicable to different thickness production demands, simple structure, with low costs.

In order to make the aforementioned and other objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

The present application is described in detail below with reference to the attached drawings and detailed description;

fig. 1 is a perspective view of a fixing clip according to an embodiment of the present application;

FIG. 2 is a front view of the retention clip shown in FIG. 1;

FIG. 3 is a perspective view of another mounting clip of FIG. 1;

fig. 4 is a perspective view of another fixing clip of fig. 3.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the description of the invention without inventive step, are within the scope of protection of the invention.

The following embodiments are provided to illustrate the present disclosure, and other advantages and effects will be apparent to those skilled in the art from the disclosure.

In the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms can be understood in a specific case to those of ordinary skill in the art.

The terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", and the like, refer to an orientation or positional relationship that is based on the orientation or positional relationship shown in the drawings, or that is conventionally used in the practice of the invention, and are used for convenience of description and simplicity of illustration only, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the present invention.

Moreover, the terms "first," "second," "third," and the like are used solely to distinguish between similar elements and not to indicate or imply relative importance or a particular order.

Furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.

Referring to fig. 1 and 2, the fixing clip provided in this embodiment is preferably made of a metal material, and has a substantially U-shaped overall shape, and includes a first clamping arm 100, a second clamping arm 200, and a connecting arm 300 connecting the first clamping arm 100 and the second clamping arm 200, where the first clamping arm 100 and the second clamping arm 200 are arranged in parallel, and the first clamping arm 100 and the second clamping arm 200 are in a mirror-symmetrical structure with respect to a perpendicular bisector of the connecting arm 300.

Referring to fig. 1 and 3, a first connecting surface 103 and a first clamping surface 102 protruding from the first connecting surface 103 are formed inside the first clamping arm 100, a second connecting surface 203 and a second clamping surface 202 protruding from the second connecting surface 203 are formed inside the second clamping arm 200, and the first clamping surface 102 and the second clamping surface 202 form an anti-slip structure for increasing friction force, respectively.

In the present embodiment, based on the above arrangement of the connecting surfaces and the clamping surfaces, there are protrusions of the same magnitude on the first clamping surface 102 and the second clamping surface 202 compared to the first connecting surface 103 and the second connecting surface 203, respectively, which protrusions are used to provide a sufficient clamping force when clamping an object using the fixation clamp.

In the present embodiment, the anti-slip structure includes, but is not limited to, at least one of parallel stripes, diagonal stripes, and wavy stripes.

In the present embodiment, the top of the first clamping arm 100 forms a first top surface 101, the top of the second clamping arm 200 forms a second top surface 201, the first top surface 101 and the corner of the outer side of the first clamping arm 100 form a circular arc chamfer, and the second top surface 201 and the corner of the outer side of the second clamping arm 200 form a circular arc chamfer. The corners of the outer side of the connecting arm 300 are also formed in the shape of circular-arc chamfers. The radiuses of all the arc chamfer shapes are the same. The connecting arm 300 further forms a third connecting surface 301 between the first connecting surface 103 and the second connecting surface 203, and corners between the third connecting surface 301 and the first connecting surface 103 and between the third connecting surface 301 and the second connecting surface 203 are also rounded and chamfered.

In an embodiment, referring to fig. 1, 3 and 4, the connecting arm 300 includes a first connecting section 302, a second connecting section 303, and the fixing clip further includes a bolt 400, the first connecting section is provided with a first screw hole 304, the second connecting section 303 is provided with a second screw hole 305, and the bolt 400 penetrates through the first screw hole 304 after penetrating through the second screw hole 305, so as to control the length of the connecting arm 300.

In the embodiment in which the connecting arm 300 comprises two parts connected by a bolt 400 (shown in fig. 3), the length of the connecting arm 300 can be adjusted to meet the thickness requirements of different products by using different rotation depths of the bolt 400.

In this embodiment, the size of the first screw hole 304 is equal to the size of the second screw hole 305. At this time, the screw size is consistent. The size of the screw is adapted to the size of the first threaded hole 304 and the size of the second threaded hole 305 simultaneously.

In one embodiment, the size of the first threaded hole 304 is smaller than the size of the second threaded hole 305, and the front portion of the screw (far from the nut) is adapted to the size of the first threaded hole 304, and the rear portion of the screw (near the nut) is adapted to the size of the second threaded hole 305.

In one embodiment, the vertical distance between the first top surface 101 and the third connecting surface 301 is 30-60mm, the vertical distance between the second top surface 201 and the third connecting surface 301 is 30-60mm, the width between the first top surface 101 and the second top surface 201 is 5-10mm, the distance between the first clamping surface 102 and the outer side 100 of the first clamping arm is 5-10mm, and the distance between the second clamping surface 202 and the outer side of the second clamping arm 200 is 5-10mm.

In the present embodiment, the first top surface 101 and the second top surface 102 are on the same horizontal plane.

In one embodiment, the connecting arm 300 has a length of 50-500mm, a thickness of 5-10mm, and a width of 5-10mm.

In one embodiment, the distance between the first clamping surface 102 and the second clamping surface 202 is greater than 20mm.

In one embodiment, the distance between the first connection surface 103 and the second connection surface 203 is greater than 20mm.

The above described retaining clip can be used in the following manner: in the PMMA casting molding process, the mold structure sequentially comprises a first layer of toughened glass, an intermediate layer adhesive tape and a bottom layer of toughened glass from top to bottom, and prepolymer is poured in the middle; for the above mold structure, the fixing clips can be used to be clamped at appropriate intervals along the peripheral edge of the mold (the opening ends of the fixing clips are clamped into the mold from outside to inside), and the fixing clips are preferably arranged at equal intervals, so that the forming mold is built, and then the whole mold enters a water bath to be thermoset.

This application is when using, adopts the original rotation type clamping piece of above-mentioned fixation clamp direct replacement, and the fixation clamp is located being close to marginal area of two dull and stereotyped toughened glass moulds, and is the unanimous perpendicular binding force that provides between the toughened glass.

The above described retaining clip can also be used in the following operating conditions: in the related art, a fastening mechanism of a polymer casting mold is provided, the polymer casting mold comprises an upper mold plate, a lower mold plate and an adhesive tape clamped between the upper mold plate and the lower mold plate, the fastening mechanism comprises a side vertical plate, a first horizontal plate, a second horizontal plate, a third horizontal plate and a pressing assembly, the first horizontal plate, the second horizontal plate and the third horizontal plate are arranged on the same side of the side vertical plate from top to bottom, the pressing assembly is arranged on the first horizontal plate, a space between the pressing assembly and the third horizontal plate is used for placing the upper mold plate, the adhesive tape and the lower mold plate, the second horizontal plate is used for extending into a space between the upper mold plate and the lower mold plate to abut against the outer side of the adhesive tape, and the second horizontal plate and the side vertical plate are detachably connected.

The fastening mechanism comprises a polymer casting mold and a plurality of fastening mechanisms of the polymer casting mold, wherein the polymer casting mold comprises an upper template, a lower template and rubber strips clamped between the upper template and the lower template, and the fastening mechanisms are arranged in the peripheral edge area of the polymer casting mold at intervals. The utility model provides a fixation clamp cooperates soft adhesive tape, compresses soft adhesive tape to the same deformation volume, like this in follow-up thermosetting shaping, solves at the thermoforming in-process of polymer products, and the adhesive tape takes place slowly to soften, and the radial asynchronous flexible problem of local area that appears for the thickness control degree of consistency of panel will be shown and is promoted.

The application provides a fixation clamp is fit for being used for PMMA (polymethyl methacrylate) material casting, can provide stable and accurate vertical thickness, and when can effectively avoiding using rotation type clamping piece to carry out thickness control, the shaping panel thickness degree of consistency that appears is low on the low side problem, improves the uniformity, and can be applicable to different thickness production demands, simple structure, with low costs.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present disclosure should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. The utility model provides a fixing clamp, its characterized in that, the fixing clamp includes first centre gripping arm, second centre gripping arm and connects first centre gripping arm with the linking arm of second centre gripping arm, first centre gripping arm and second centre gripping arm parallel arrangement, first centre gripping arm inboard form first connecting surface and for the convex first clamping face of first connecting surface, second centre gripping arm inboard forms the second and connects the face and for the convex second clamping face of second connecting surface, first clamping face and second clamping face form the anti-skidding structure who is used for increasing frictional force respectively.

2. The retainer clip of claim 1 wherein the first and second retaining arms are mirror symmetrical with respect to a perpendicular bisector of the connecting arm.

3. The retaining clip of claim 1, wherein the retaining clip includes a third joint face located between the first joint face and the second joint face, and wherein corners between the third joint face and the first joint face and the second joint face are rounded chamfers.

4. The retainer clip of claim 1, wherein the retainer clip includes a first top surface on the first clamp arm and a second top surface on the second clamp arm, the first top surface forming a radiused chamfer with a corner of the outside of the first clamp arm, the second top surface forming a radiused chamfer with a corner of the outside of the second clamp arm, the corners of the outside of the connecting arm each forming a radiused chamfer.

5. The retaining clip of claim 1, wherein the connecting arm includes a first connecting section, a second connecting section, and further comprising a bolt, wherein the first connecting section has a first threaded hole, the second connecting section has a second threaded hole, and the bolt penetrates the first threaded hole after penetrating the second threaded hole, so as to control the length of the connecting arm.

6. The retaining clip of claim 3, wherein the first top surface is spaced apart from the third attachment surface by a vertical distance of 30-60mm, the second top surface is spaced apart from the third attachment surface by a vertical distance of 30-60mm, the first top surface is spaced apart from the second top surface by a width of 5-10mm, the first retaining surface is spaced apart from the outside of the first retaining arm by a distance of 5-10mm, and the second retaining surface is spaced apart from the outside of the second retaining arm by a distance of 5-10mm.

7. The retainer clip of claim 1, wherein the connector arm has a length of 50-500mm, a thickness of 5-10mm, and a width of 5-10mm.

8. The retainer clip of claim 1 wherein the first clip surface is spaced from the second clip surface by a distance greater than 20mm.

9. The mounting clip of claim 1, wherein the first connection face is spaced from the second connection face by a distance greater than 20mm.

10. The retainer clip of claim 1 wherein the non-slip structure comprises at least one of parallel striations, diagonal striations, and wavy striations.