CN219189418U

CN219189418U - Picture frame expansion clamp and picture frame processing machine tool

Info

Publication number: CN219189418U
Application number: CN202320133187.7U
Authority: CN
Inventors: 张绍凯
Original assignee: Zhejiang Shuangying Automation Equipment Co ltd
Current assignee: Zhejiang Shuangying Automation Equipment Co ltd
Priority date: 2023-02-07
Filing date: 2023-02-07
Publication date: 2023-06-16
Anticipated expiration: 2033-02-07

Abstract

The utility model relates to a glasses frame expansion clamp and a glasses frame processing machine tool, which comprise a clamp base and an expansion unit, wherein the expansion unit comprises an expansion seat which is arranged on the clamp base and used for guiding an expansion head assembly to move, an expansion head assembly which is arranged on the expansion seat and used for expanding the glasses frame, and an expansion driving assembly which is arranged at the center of the expansion head assembly and used for driving the expansion head assembly, the expansion seat is arranged on the clamp base in a translatable way through a horizontal adjusting mechanism, and the lower end of the expansion driving assembly penetrates through the expansion seat and is connected with a translation sliding groove arranged at the upper end of a lifting mechanism in the clamp base in a matched way through a translation sliding rail. The horizontal movement of the whole expansion unit is realized by arranging the translatable expansion seat, so that the interval between the two expansion units is adjusted.

Description

Picture frame expansion clamp and picture frame processing machine tool

Technical Field

The utility model relates to mechanical equipment, in particular to a frame-adding expansion clamp for processing an eyeglass frame and a frame processing machine tool.

Background

In the prior art, the processing of the plate glasses frame is obtained by cutting and processing a whole plate, and the processing steps of the plate glasses frame are divided into processing of the inner shape of the glasses frame and processing of the outer shape of the glasses frame due to the specificity of the glasses frame. When the outer shape of the lens frame is processed, the lens frame is generally fixed by expanding from the inside of the lens frame by an expanding clamp, and cutting is performed. The expansion clamp comprises two expansion units, and the two inner frames are expanded from the left inner frame and the right inner frame of the glasses frame so as to fix the glasses frame.

The existing expansion clamp is fixed in position between two expansion units, namely, the two frames with different spaces between the left and right inner frames cannot be adapted. In order to solve the above problems, the whole frame is generally fixed by forcibly expanding the space between the expansion head and the inner frame, and the fixing method can solve certain problems, but can cause uneven stress and even deform the frame, thereby affecting the processing precision and the consistency of products.

Disclosure of Invention

In order to solve the problems, the utility model provides a lens frame expanding clamp capable of adjusting the interval between two expanding units and a lens frame processing machine tool using the clamp.

In order to achieve the purpose, the picture frame expansion clamp comprises a clamp base and an expansion unit, wherein the expansion unit comprises an expansion seat which is arranged on the clamp base and used for guiding the expansion head assembly to move, an expansion head assembly which is arranged on the expansion seat and used for expanding the picture frame, and an expansion driving assembly which is arranged at the center of the expansion head assembly and used for driving the expansion head assembly, the expansion seat is arranged on the clamp base in a translatable way through a horizontal adjusting mechanism, and the lower end of the expansion driving assembly penetrates through the expansion seat and is connected with a translation sliding groove at the upper end of a lifting mechanism arranged in the clamp base in a matched way through a translation sliding rail. The horizontal movement of the whole expansion unit is realized by arranging the translatable expansion seat, so that the interval between the two expansion units is adjusted.

The horizontal adjusting mechanism comprises a slotted hole arranged on the expanding seat, a fixing threaded hole arranged on the clamp base and a locking bolt penetrating through the slotted hole to fix the expanding seat and the clamp base. The translation adjustment and the fixation of the expansion seat are realized through the matching of the long round hole and the locking bolt.

In order to provide integral stability, the bottom of the expansion seat is provided with a downward protruding translation boss, the translation boss is consistent with the expansion seat in the length direction, and the width direction covers the position where the oblong hole is located; the fixture base on be equipped with translation boss complex pit, the length and the height of pit with translation boss's length and high cooperation, the width of pit is greater than translation boss's width, just the fixed screw hole set up in the pit. Through the cooperation of pit and translation boss, the supporting system of separation horizontal adjustment mechanism and tight seat of expanding guarantees the planarization of main contact surface between anchor clamps base and the tight seat of expanding, realizes effectual tolerance cooperation between the two, and then guarantees the accuracy nature of picture frame processing.

In a further scheme, the width of the pit is smaller than the maximum width of the expansion seat. Therefore, the supporting relationship between the upper bottom surface of the clamp base and the non-translation boss at the bottom of the expansion seat is realized, the supporting relationship not only enables the clamp base to keep the support of the expansion seat on the upper surface of the clamp base but also enables the upper surface of the clamp base to be used for supporting when the horizontal position of the expansion seat is adjusted, so that the effect of the sliding rail is realized by the cooperation between the translation boss and the pit, and the position between two expansion units is more favorable for being accurately adjusted.

In order to ensure that the lifting mechanism can realize the transmission in the upper direction and the lower direction of the expanding driving assembly, the translation sliding groove is a dovetail groove, and the translation sliding rail is a dovetail rail. The cooperation of the dovetail groove and the dovetail rail does not influence the movement in the horizontal direction, and can transmit the movement of lifting up and down.

The expansion driving assembly comprises an expansion cone block and a connecting block connected to the lower portion of the expansion cone block, wherein the upper portion of the expansion cone block is a cone head matched with the expansion head assembly, the lower portion of the expansion cone block is a connecting portion, a countersunk through hole penetrating through the center of the expansion cone block in the vertical direction is formed in the expansion cone block, and the expansion cone block is connected with a connecting threaded hole on the upper surface of the connecting block through a connecting bolt arranged in the countersunk through hole; the lower bottom surface of the expansion seat upwards is provided with a lifting groove matched with the connecting block, the connecting block is arranged in the lifting groove from the lower part of the expansion seat and can slide in the lifting groove, and the dovetail rail is arranged at the lower bottom of the connecting block. The expansion driving assembly is matched with the expansion seat effectively through the matching of the connecting block and the expansion cone block, so that the expansion driving assembly can realize the function of translational adjustment together with the expansion base under the condition that the expansion driving function is not affected. Meanwhile, the fixing structure of the connecting bolt from top to bottom also enables the whole expansion head assembly to be replaced more conveniently.

In order to conveniently determine the position of the expansion unit horizontally adjusted on the clamp base, the outer side wall of the expansion unit and the upper bottom surface of the clamp base are provided with indication marks and scale marks which are matched with each other.

In order to ensure that the lens frame is separated from the expansion clamp after the processing is finished, expansion units are arranged on the clamp base in pairs, and a blanking safety unit capable of upwards propping against the expanded lens frame is arranged between the two expansion units in pairs. Through the upper top of unloading insurance unit, with the picture frame ejecting in the expanding unit, guarantee its unloading and not influence subsequent processing.

The utility model also provides a machine tool for machining the mirror frame, which is provided with the clamp for expanding the mirror frame. Thereby being capable of adapting to the processing of a plurality of frames with different widths.

The utility model designs the eyeglass frame expansion clamp and the eyeglass frame processing machine tool, and the horizontal position of the expansion seat is adjusted by utilizing the horizontal adjusting mechanism, so that the interval between the two expansion units is adjusted, and the clamp can be adapted to eyeglass frames with different widths, namely eyeglass frames with different center distances. Meanwhile, the inner structure of the horizontal adjusting mechanism and the connection mode between the expansion driving assembly and the lifting mechanism are designed, and the functions of translational adjustment of the expansion driving assembly and the expansion base are realized on the premise that the driving mode of the expansion driving assembly is not changed, so that the existing expansion head assembly which can be adapted to the frame expansion clamp is enabled, and the equipment upgrading cost is reduced.

Drawings

Fig. 1 is a perspective view of the frame expansion clamp of example 1.

Fig. 2 is a top view of the example 1 frame expansion clamp without the expansion head assembly.

Fig. 3 is a cross-sectional view at A-A in fig. 2.

Fig. 4 is a cross-sectional view at C-C in fig. 2.

Fig. 5 is an exploded view of the example 1 expansion seat mated with an expansion actuator assembly.

Detailed Description

The preferred embodiments of the present utility model will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present utility model only, and are not intended to limit the present utility model.

Example 1.

As shown in fig. 1, the frame expansion fixture described in this embodiment includes a fixture base 1 and an expansion unit 2, the expansion unit 2 includes an expansion seat 3 disposed on the fixture base 1 for guiding the expansion head assembly 20 to move, an expansion head assembly 20 disposed on the expansion seat 3 for expanding the frame, and an expansion driving assembly disposed at the center of the expansion head assembly 20 for driving the expansion head assembly 20, the expansion seat 3 is disposed on the fixture base 1 in a translatable manner through a horizontal adjusting mechanism, and the lower end of the expansion driving assembly passes through the expansion seat 3 and is connected with a translation chute disposed at the upper end of a lifting mechanism in the fixture base 1 in a matched manner through a translation slide rail.

As shown in fig. 2-5, the horizontal adjusting mechanism comprises a slotted hole 4 arranged on the expansion seat 3, a fixing threaded hole 5 arranged on the clamp base 1, and a locking bolt 6 penetrating through the slotted hole 4 to fix the expansion seat 3 and the clamp base 1.

The bottom of the expansion seat 3 is provided with a downward protruding translation boss 7, the translation boss 7 is consistent with the expansion seat 3 in the length direction, and the width direction covers the position of the oblong hole 4; the fixture base 1 on be equipped with translation boss 7 complex pit 8, the length and the height of pit 8 with translation boss 7's length and high cooperation, the width of pit 8 is greater than translation boss 7's width and is less than the maximum width of tight seat 3 expands, just fixed screw hole 5 set up in pit 8.

The translation sliding groove is a dovetail groove 9, and the translation sliding rail is a dovetail rail 10.

The expansion driving assembly comprises an expansion cone block 11 and a connecting block 12 connected to the lower part of the expansion cone block 11, wherein the upper part of the expansion cone block 11 is a cone head 13 matched with an expansion head assembly 20, the lower part of the expansion cone block 11 is a connecting part 14, a countersunk through hole 15 penetrating through the center of the expansion cone block 11 in the vertical direction is formed in the expansion cone block 11, and the expansion cone block 11 is connected with a connecting threaded hole on the upper surface of the connecting block 12 through a connecting bolt 16 arranged in the countersunk through hole 15; the lower bottom surface of the expansion seat 3 is provided with a lifting groove 17 which is matched with the connecting block 12, the connecting block 12 is arranged in the lifting groove 17 from the lower part of the expansion seat 3 and can slide in the lifting groove 17, and the dovetail rail 10 is arranged at the lower bottom of the connecting block 12.

The side wall of the expanding seat 3 is provided with an indication mark 18, and the position of the upper surface of the clamp base 1 corresponding to the indication mark 18 is provided with a graduated scale 19. Of course, the function of this embodiment can be implemented by exchanging the positions of the indication marks 18 and the graduated scale 19, and the present patent is also within the scope of protection.

It should be further noted that the up and down directions in this embodiment are based on the working direction of the frame expansion fixture, that is, the direction in which the expansion cone 11 moves to make the expansion head assembly 20 in the expanded state is the down direction. The width direction is the translation direction of the expansion unit 2, and the length direction is the translation direction of the expansion unit 2 vertically on the horizontal plane.

The clamp base 1 is provided with four expansion units 2 in pairs, and a blanking safety unit 21 capable of upwards propping against the expanded mirror frame is arranged between the two expansion units 2 in pairs.

Meanwhile, the embodiment also provides a machine tool for machining the mirror frame, which is provided with the clamp for expanding the mirror frame.

In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present utility model has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a picture frame tight fixture that expands, includes anchor clamps base and tight unit of expansion, tight unit of expansion including setting up the tight seat that expands that is used for guiding tight first subassembly activity of expansion on anchor clamps base, the tight first subassembly of expansion that is used for the tight picture frame of expansion of setting on the tight seat of expansion to and the tight drive assembly that expands that sets up the tight first subassembly of expansion is used for driving at the tight first subassembly center of expansion, characterized by, tight seat of expansion pass through the setting of horizontal adjustment mechanism translatable on anchor clamps base, tight drive assembly lower extreme pass tight seat of expansion and be connected through the translation spout cooperation of translation slide rail with the elevating system upper end that sets up in anchor clamps base.

2. The frame expansion clamp of claim 1, wherein the horizontal adjustment mechanism comprises a slotted hole provided on the expansion seat, a threaded fixing hole provided on the clamp base, and a locking bolt passing through the slotted hole to fix the expansion seat to the clamp base.

3. The frame expanding clamp according to claim 2, wherein the bottom of the expanding seat is provided with a downward protruding translation boss, the translation boss is consistent with the expanding seat in the length direction, and the width direction covers the position of the oblong hole; the fixture base on be equipped with translation boss complex pit, the length and the height of pit with translation boss's length and high cooperation, the width of pit is greater than translation boss's width, just the fixed screw hole set up in the pit.

4. A frame expansion clamp according to claim 3, wherein the width of the recess is less than the maximum width of the expansion seat.

5. The frame expansion clamp of claim 1, wherein the translation runner is a dovetail and the translation rail is a dovetail.

6. The frame expansion clamp according to claim 5, wherein the expansion driving assembly comprises an expansion cone block and a connecting block connected to the lower part of the expansion cone block, the upper part of the expansion cone block is a cone head matched with the expansion head assembly, the lower part of the expansion cone block is a connecting part, a countersunk through hole penetrating through the center of the expansion cone block in the vertical direction is formed in the expansion cone block, and the expansion cone block is connected with a connecting threaded hole on the upper surface of the connecting block through a connecting bolt arranged in the countersunk through hole; the lower bottom surface of the expansion seat upwards is provided with a lifting groove matched with the connecting block, the connecting block is arranged in the lifting groove from the lower part of the expansion seat and can slide in the lifting groove, and the dovetail rail is arranged at the lower bottom of the connecting block.

7. A frame expansion clamp according to any one of claims 1 to 6, wherein the outer side wall of the expansion unit and the upper bottom surface of the clamp base are provided with mutually matched indication marks and scale marks.

8. The frame expansion clamp of claim 7, wherein the clamp base is provided with expansion units in pairs, and a blanking safety unit capable of upwards propping against the expanded frame is arranged between the two expansion units in pairs.

9. A machine tool for machining a spectacle frame, characterized in that a spectacle frame expansion clamp according to any one of claims 1 to 7 is provided.