CN218489133U - Hot melting jig - Google Patents

Abstract

The utility model belongs to the technical field of the camera lens processing, a hot melt tool is disclosed, hot melt tool includes base, tool, hot melt machine, middling pressure subassembly and elastic component, and the base is used for the fixed hot melt subassembly of treating, and the tool corresponds the setting with the base, and the hot melt machine is connected with the tool, and the hot melt machine can heat the tool, and the middling pressure subassembly is worn to locate the tool and is connected with tool sliding, is provided with the elastic component between middling pressure subassembly and the tool; during the process that the jig moves towards the base, the medium-pressure component is pressed against the component to be hot-melted before the jig, and the medium-pressure component is forced to move relative to the jig so as to enable the elastic component to accumulate elastic force; after the tool contacts and treats hot melt subassembly and accomplish the hot melt, the tool removes to the base dorsad, and middling pressure subassembly continues to support under the elastic force effect of elastic component and treats hot melt subassembly. The utility model provides a hot melt tool can effective fixation treat hot melt assembly, and can effectively prevent the tool and treat to take place the adhesion between the hot melt assembly.

Description

Hot melting jig

Technical Field

The utility model relates to a camera lens processing technology field especially relates to a hot melt tool.

Background

In the manufacture of optical products, the optical products need to be assembled and fixed. At present, the optical product is generally fixed by means of dispensing, hot melting, pressing and pressing a gland, and the like. The hot melting process has the advantages of simple operation, fast processing, low processing cost and the like, and is widely applied to fixing of optical plastic products.

In the prior art, after the optical product is melted, the optical product may be adhered to the melting jig to cause the optical product to shift or fall off, and the optical product is burnt. In addition, the existing hot melting machine lacks a fixing means for optical products, is difficult to ensure the assembly precision during hot melting, and has low product yield.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a hot melt tool can prevent effectively that the adhesion from taking place between optics product and the hot melt tool, and can effectively fix optics product.

To achieve the purpose, the utility model adopts the following technical proposal:

a hot-melting jig comprises:

the base is used for fixing the component to be subjected to hot melting;

the jig is arranged corresponding to the base;

the hot melting machine is connected with the jig and can heat the jig;

the medium-voltage component penetrates through the jig and is in sliding connection with the jig, and an elastic piece is arranged between the medium-voltage component and the jig; wherein the content of the first and second substances,

in the process that the jig moves towards the base, the medium-pressure component is pressed against the component to be hot-melted before the jig, and the medium-pressure component is forced to move relative to the jig so as to enable the elastic component to accumulate elastic potential energy;

when the jig contacts the component to be hot-melted and completes hot melting, the jig moves back to the base, and the medium-pressure component continues to abut against the component to be hot-melted under the action of the elastic force of the elastic component.

Optionally, the tool orientation the tip of base is provided with annular hot melt head, the terminal surface of annular hot melt head include the horizontal plane with set up in the inboard pressure of horizontal plane is paid the face, pressure is paid the face and is set up towards inboard slope, pressure is paid the face and can inwards extrude the portion of treating melting of treating hot melt assembly.

Optionally, when the component to be subjected to thermal fusion is fixed on the base, the pressing surface is parallel to a receiving surface of the component to be subjected to thermal fusion.

Optionally, the included angle between the pressing surface and the horizontal plane is 120-150 degrees.

Optionally, the end face of the annular hot melting head further includes an extrusion face arranged on the inner side of the pressing face, and the extrusion face can limit the shape of the to-be-melted part of the to-be-hot-melted component after hot melting.

Optionally, the jig is provided with a yielding groove towards one end of the base.

Optionally, the base is provided with a stepped hole, and the component to be hot-melted can be fixed in a large end hole of the stepped hole.

Optionally, the hot melting machine further comprises a support frame, the support frame is fixedly connected with the hot melting machine, and the jig is arranged on one side of the hot melting machine, which is back to the support frame.

Optionally, the support frame includes a support plate and a plurality of support columns fixedly connected to the support plate, and the support columns are fixedly connected to the hot-melting machine.

Optionally, the medium voltage assembly comprises:

the middle pressure rod sequentially penetrates through the supporting plate, the hot melting machine and the jig, the supporting plate and the jig are both connected with the middle pressure rod in a sliding mode, and the elastic piece is sleeved on the middle pressure rod;

the supporting block is sleeved on the medium-pressure rod and arranged between the hot melting machine and the supporting plate, one end of the elastic piece abuts against the supporting plate, and the other end of the elastic piece abuts against the supporting block.

The utility model has the advantages that:

the utility model provides a hot melting jig, treat that hot melt assembly hot melt is placed on the base, the tool moves towards the base and drives the middling pressure subassembly and move, and the middling pressure subassembly supports pressure treatment hot melt assembly before the tool, with fixed treatment hot melt assembly, after the middling pressure subassembly supported pressure treatment hot melt assembly, the tool continued to move towards treatment hot melt assembly, middling pressure subassembly compelled to move and make the elastic component accumulate elastic potential energy relative to the tool, until the tool contacts treatment hot melt assembly and accomplishes the hot melt, in this process, the elastic force of elastic component acts on the middling pressure stick, make the middling pressure stick compress tightly treat hot melt assembly; after accomplishing the hot melt, the tool removes to the base dorsad, and middling pressure subassembly continues to support under the elastic force effect of elastic component and presses the subassembly of waiting to melt, makes the tool with wait to melt the subassembly separation, effectively prevents the tool and wait to melt the condition emergence that the aversion of subassembly of waiting to melt that takes place the adhesion and cause between the subassembly and drop and scorch takes place.

Drawings

Fig. 1 is a cross-sectional view of a hot-melting jig provided by the present invention;

fig. 2 is a schematic structural view of the hot-melting jig provided by the present invention;

fig. 3 is a partial schematic view of the hot-melting jig provided by the present invention before hot-melting;

fig. 4 is a schematic view of the hot melting jig according to the present invention.

In the figure:

100. a base; 110. a stepped hole;

200. a jig; 210. an annular hot melt head; 211. a horizontal plane; 212. pressing and attaching the noodles; 213. extruding surface; 220. a yielding groove;

300. a hot melting machine; 310. perforating;

400. a medium voltage assembly; 410. a medium pressure bar; 420. a support block; 421. a first support block; 422. a second support block;

500. an elastic member;

610. a support plate; 611. a first support plate; 612. a second support plate; 613. a through hole; 620. a support pillar;

700. a component to be hot-melted; 710. a portion to be melted; 720. a receiving surface.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.

In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; 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 invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply 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.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and 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 thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.

Referring to fig. 1 to 2, the embodiment provides a hot melting fixture, which includes a base 100, a fixture 200, a hot melting machine 300, a medium voltage assembly 400 and an elastic member 500, wherein the base 100 is used for fixing a component 700 to be hot melted, the fixture 200 is disposed corresponding to the base 100, the hot melting machine 300 is connected to the fixture 200, the hot melting machine 300 can heat the fixture 200, the medium voltage assembly 400 is inserted into the fixture 200 and slidably connected to the fixture 200, and the elastic member 500 is disposed between the medium voltage assembly 400 and the fixture 200; in the process that the jig 200 moves toward the base 100, the medium-pressure component 400 presses the component to be hot-melted 700 before the jig 200, and the jig 200 is forced to move relative to the jig 200 so that the elastic element 500 accumulates elastic potential energy; after the jig 200 contacts the component 700 to be hot-melted and completes hot melting, the jig 200 moves away from the base 100, and the middle pressure component 400 continues to press the component 700 to be hot-melted under the elastic force of the elastic component 500.

In this embodiment, the component 700 to be hot-melted is placed on the base 100, the jig 200 moves towards the base 100 to drive the middle pressure component 400 to move, and the middle pressure component 400 presses against the component 700 to be hot-melted before the jig 200 to fix the component 700 to be hot-melted, after the middle pressure component 400 presses against the component 700 to be hot-melted, the jig 200 continues to move towards the component 700 to be hot-melted, the middle pressure component 400 is forced to move relative to the jig 200 and the elastic member 500 accumulates elastic potential energy until the jig 200 contacts the component 700 to be hot-melted and completes hot melting, in this process, the elastic force of the elastic member 500 acts on the middle pressure rod 410, so that the middle pressure rod 410 presses the lens; after finishing hot melting, the jig 200 moves away from the base 100, and the middle-pressure component 400 continues to press the component 700 to be hot-melted under the action of the elastic force of the elastic component 500, so that the jig 200 is separated from the component 700 to be hot-melted, and the phenomenon that the component 700 to be hot-melted is displaced or falls off and scorches due to adhesion between the jig 200 and the component 700 to be hot-melted is effectively prevented.

Specifically, the jig 200 is disposed corresponding to the base 100 in the vertical direction.

In this embodiment, the hot-melting fixture further includes a supporting frame, the supporting frame is fixedly connected to the hot-melting machine 300, and the fixture 200 is disposed on a side of the hot-melting machine 300 opposite to the supporting frame. In this embodiment, the supporting frame is connected to an external lifting device to move the jig 200 in a vertical direction, so that the jig 200 can move toward or away from the base 100.

Specifically, the support frame includes a support plate 610 and a plurality of support columns 620 fixedly connected to the support plate 610, and the support columns 620 are fixedly connected to the heat fusion machine 300. Preferably, the supporting columns 620 are provided in two numbers, and are symmetrically provided at opposite ends of the supporting plate 610. Specifically, the external elevating device is fixedly connected with the supporting plate 610 by means of a screw connection, and the supporting plate 610 is provided with a mounting hole for connection with the external elevating device.

Further, the supporting plate 610 includes a first supporting plate 611 and a second supporting plate 612, the first supporting plate 611 and the second supporting plate 612 are spliced to form a plurality of first fixing holes, the first fixing holes are arranged in one-to-one correspondence with the supporting pillars 620, and the first ends of the supporting pillars 620 are inserted into the first fixing holes. Further, the first support plate 611 and the second support plate 612 are fixedly connected by a screw. Specifically, a plurality of screw members are inserted into the first support plate 611 and the second support plate 612 to be connected with nuts, and the first support plate 611 and the second support plate 612 are pressed by the screw members and the nuts to be fixedly connected with the fixed support column 620. Of course, the support plate 610 may be fixedly connected to the support column 620 in other manners, which are not limited herein.

Further, the second end of the supporting column 620 is in threaded connection with the hot melting machine 300, so that the supporting column 620 and the hot melting machine 300 can be conveniently fixed. Of course, the support post 620 and the heat staking machine 300 may be secured in other ways, and are not limited thereto.

In this embodiment, the medium pressure assembly 400 includes a medium pressure rod 410 and a supporting block 420, the medium pressure rod 410 sequentially penetrates through the supporting plate 610, the hot melting machine 300 and the jig 200, the supporting plate 610 and the jig 200 are both slidably connected to the medium pressure rod 410, and the elastic member 500 is sleeved on the medium pressure rod 410; the supporting block 420 is sleeved on the middle pressure rod 410, the supporting block 420 is disposed between the heat fusion machine 300 and the supporting plate 610, one end of the elastic member 500 abuts against the supporting plate 610, and the other end abuts against the supporting block 420. In this embodiment, before hot melting, the fixture 200 moves towards the base 100 to drive the middle pressing rod 410 to move, and the middle pressing rod 410 presses against the component to be hot melted 700 before the fixture 200 to fix the component to be hot melted 700, and after the middle pressing rod 410 presses against the component to be hot melted 700, the fixture 200 continues to move towards the component to be hot melted 700, and the middle pressing rod 410 moves relative to the fixture 200, so that the supporting block 420 presses the elastic member 500 to accumulate elastic potential energy; after hot melting, the jig 200 moves back to the base 100, and the supporting block 420 acts on the middle pressure rod 410 under the elastic force of the elastic member 500, so that the middle pressure rod 410 continues to press the component 700 to be hot-melted, and the jig 200 is separated from the component 700 to be hot-melted.

Preferably, the elastic member 500 may be a spring, or may be another elastic body, which is not limited herein.

Specifically, the first support plate 611 and the second support plate 612 are spliced to form a through hole 613, and the middle pressure rod 410 is inserted into the through hole 613 and is slidably connected with the through hole 613.

Specifically, the supporting block 420 includes a first supporting block 421 and a second supporting block 422, the first supporting block 421 and the second supporting block 422 are connected to form a second fixing hole, and the middle pressure rod 410 penetrates through the second fixing hole and is fixedly connected to the second fixing hole. Further, the connection manner of the first supporting block 421 and the second supporting block 422 is the same as that of the first supporting plate 611 and the second supporting plate 612, and therefore, redundant description is not repeated here.

In the present embodiment, the hot melting machine 300 is screwed to the jig 200. Specifically, the jig 200 is provided with a connecting portion at one end facing the hot melting machine 300, the outer side surface of the connecting portion is provided with an external thread, the hot melting machine 300 is provided with a through hole 310 at one end facing the jig 200, an internal thread is provided in the through hole 310, and the connecting portion is inserted into the through hole 310 and is connected with the through hole 310 in a threaded manner.

In this embodiment, the base 100 is provided with the stepped hole 110, the hot-melt component 700 can be fixed in the large end hole of the stepped hole 110, and the small end hole of the stepped hole 110 can form an abdicating space piece, so as to prevent the hot-melt component 700 from interfering with the base 100. Further, the base 100 is provided with various specifications to be suitable for different components 700 to be heat fused.

Further, the jig 200 is provided with a receding groove 220 at an end facing the base 100, so that when the jig 200 moves towards the base 100, the interference between the to-be-hot-melt component 700 and the jig 200 can be effectively prevented.

In this embodiment, referring to fig. 3 to 4, an end of the jig 200 facing the base 100 is provided with an annular thermal melting head 210, an end surface of the annular thermal melting head 210 includes a horizontal surface 211 and a pressing surface 212 disposed inside the horizontal surface 211, the pressing surface 212 is disposed obliquely inward, and the pressing surface 212 can press the to-be-melted portion 710 of the to-be-melted component 700 inward, so that the to-be-melted portion 710 flows inward after being melted to thermally melt and fix the to-be-melted component 700 together. Specifically, the horizontal plane 211 extends in the horizontal direction.

Further, when the component to be heat-fused 700 is fixed on the base 100, the pressing surface 212 is parallel to the receiving surface 720 of the component to be heat-fused 700. In the present embodiment, when the pressing surface 212 presses the part to be melted 710 of the component to be melted 700 to generate heat fusion, the part to be melted 710 can be stably melted and pressed on the component to be melted 700.

Further, the angle between the pressing surface 212 and the horizontal surface 211 may be 120-150 ° to further stabilize the fusing process. Preferably, the pressing surface 212 is at an angle of 135 ° to the horizontal surface 211.

Furthermore, the end face of the annular fuse head 210 further includes a pressing surface 213 disposed inside the pressing surface 212, and the pressing surface 213 can limit the shape of the to-be-fused portion 710 of the to-be-fused component 700 after being fused, so that the to-be-fused component 700 can be firmly fixed after being fused.

For example, taking a lens as an example, first, the heat melting machine 300 is heated to a set temperature, and the fixture 200 absorbs the heat of the heat melting machine 300 to maintain the temperature of the fixture consistent with the temperature of the heat melting machine 300; then, the lens is placed in the lens housing, the lens housing is clamped in the large end hole of the stepped hole 110 of the base 100, the external lifting device drives the support frame to move towards the base 100, the middle pressure rod 410 is firstly contacted with the lens and extrudes the elastic part 500 through the support block 420, so that the elastic part 500 accumulates elastic potential energy, the elastic force of the elastic part 500 acts on the middle pressure rod 410, so that the middle pressure rod 410 compresses the lens, and the lens is further firmly fixed on the base 100; the supporting frame continues to move towards the base 100, so that the pressing surface 212 of the annular hot melting head 210 on the jig 200 is in contact with the part to be melted 710 on the lens shell, the part to be melted 710 is melted and pressed inwards by using the temperature of the jig 200, the part to be melted 710 is formed into a stable shape after being melted by heat under the action of the pressing surface 213, so that the lens is fixed in the lens shell, when the hot melting machine 300 detects that the pressure on the supporting frame reaches a set value, the movement of the supporting frame towards the base 100 is stopped, and the effect of consolidating and fixing the product is achieved after the supporting frame stays for several seconds. After the hot melting is completed, the external lifting device drives the supporting frame to move back to the base 100, at this time, the elastic force of the elastic element 500 acts on the supporting block 420, so that the middle pressure rod 410 continues to press the lens, and further the lens shell is separated from the jig 200, thereby effectively preventing the lens shell from shifting or falling and burning due to adhesion between the jig 200 and the lens shell.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. The utility model provides a hot melt tool which characterized in that includes:

a base (100), wherein the base (100) is used for fixing a component (700) to be hot-melted;

the jig (200), the said jig (200) is set up with the said base (100) correspondingly;

the hot melting machine (300), the hot melting machine (300) is connected with the jig (200), and the hot melting machine (300) can heat the jig (200);

the medium-pressure component (400), the medium-pressure component (400) penetrates through the jig (200) and is in sliding connection with the jig (200), and an elastic piece (500) is arranged between the medium-pressure component (400) and the jig (200); wherein the content of the first and second substances,

in the process that the jig (200) moves towards the base (100), the medium-pressure component (400) presses the component (700) to be hot-melted before the jig (200), and the medium-pressure component (400) is forced to move relative to the jig (200) so as to enable the elastic piece (500) to accumulate elastic potential energy.

2. The hot melting jig according to claim 1, characterized in that an annular hot melting head (210) is arranged at the end of the jig (200) facing the base (100), the end face of the annular hot melting head (210) comprises a horizontal plane (211) and a pressing surface (212) arranged on the inner side of the horizontal plane (211), the pressing surface (212) is arranged obliquely towards the inner side, and the pressing surface (212) can press the part (710) to be melted of the component (700) to be hot melted inwards.

3. The heat melting jig according to claim 2, characterized in that when the component (700) to be heat melted is fixed on the base (100), the pressing surface (212) is parallel to the receiving surface (720) of the component (700) to be heat melted.

4. The hot melting jig as claimed in claim 2, wherein the pressing surface (212) and the horizontal surface (211) form an included angle of 120-150 °.

5. The hot melting jig is characterized in that the end face of the annular hot melting head (210) further comprises a pressing face (213) arranged on the inner side of the pressing face (212), and the pressing face (213) can limit the shape of the part (710) to be melted of the component (700) to be melted after hot melting.

6. The hot melting jig according to claim 1, characterized in that one end of the jig (200) facing the base (100) is provided with a relief groove (220).

7. The hot melting jig as claimed in claim 1, wherein the base (100) is provided with a stepped hole (110), and the component (700) to be hot melted can be fixed in a large end hole of the stepped hole (110).

8. The hot melting jig according to any one of claims 1 to 7, further comprising a support frame, wherein the support frame is fixedly connected with the hot melting machine (300), and the jig (200) is arranged on one side of the hot melting machine (300) opposite to the support frame.

9. The hot melting jig as claimed in claim 8, wherein the supporting frame comprises a supporting plate (610) and a plurality of supporting columns (620) fixedly connected with the supporting plate (610), and the supporting columns (620) are fixedly connected with the hot melting machine (300).

10. The hot-melt jig according to claim 9, characterized in that the medium-voltage assembly (400) comprises:

the medium-pressure rod (410), the support plate (610), the hot-melting machine (300) and the jig (200) are sequentially arranged in a penetrating manner on the medium-pressure rod (410), the support plate (610) and the jig (200) are both connected with the medium-pressure rod (410) in a sliding manner, and the elastic piece (500) is sleeved on the medium-pressure rod (410);

the supporting block (420) is sleeved on the medium-pressure rod (410), the supporting block (420) is arranged between the hot melting machine (300) and the supporting plate (610), one end of the elastic piece (500) abuts against the supporting plate (610), and the other end of the elastic piece abuts against the supporting block (420).

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