CN210775011U - Clamping device for tension test of spectacle frame - Google Patents

Clamping device for tension test of spectacle frame Download PDF

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Publication number
CN210775011U
CN210775011U CN201921793820.5U CN201921793820U CN210775011U CN 210775011 U CN210775011 U CN 210775011U CN 201921793820 U CN201921793820 U CN 201921793820U CN 210775011 U CN210775011 U CN 210775011U
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China
Prior art keywords
clamping
spectacle frame
arm
fixedly connected
bridge arm
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CN201921793820.5U
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Chinese (zh)
Inventor
周春阳
谢娜
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周春阳
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Priority to CN201921793820.5U priority Critical patent/CN210775011U/en
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Abstract

The utility model relates to a clamping device, and disclose spectacle frame tensile test clamping device, including base, bridge arm, moving member, step motor and reduction gear, the upper surface middle part of moving member all is provided with the fixture who is used for centre gripping spectacle frame with the interior top surface middle part of bridge arm, and fixture is including being fixed in the cylinder at top surface middle part in the installing frame, and the output of cylinder wears out installing frame and fixedly connected with movable block up, and the movable block rotates the one end of connecting two movable rods through the pivot, and the other end of two movable rods extends down and rotates the one end of connecting the interlock arm through the pivot to the both sides slope of installing frame respectively, and the interlock arm is close to the corresponding tip of the one end fixedly connected with slide bar of installing frame. The concave surface on the clamping head can be attached to the clamping part of the spectacle frame, the rubber layer with the compounded concave surface can improve the abutting force, and the phenomenon of slippage of the spectacle frame when the spectacle frame is pulled is avoided.

Description

Clamping device for tension test of spectacle frame
Technical Field
The utility model relates to a clamping device specifically is spectacle frame tensile test clamping device.
Background
The spectacle frame is an important component of the spectacles, mainly plays a role in supporting spectacle lenses, and also plays a role in beautifying the appearance. The material mainly comprises metal, plastic or resin, natural material and the like. According to the style, it can be divided into full frame, half frame, frameless type, etc., a pair of glasses frame usually consists of main parts of lens ring, nose support, pile head and lens leg, etc., besides the above-mentioned parts, there are also foot cover, support leaf screw, hinge screw, etc.
When the glasses are taken off daily, the glasses are usually thrown on a sofa and a bed, then the glasses are thrown, the situation of breaking the glasses frame often occurs, people often chafe, a pair of glasses needs to be re-matched, the economic expenditure is increased, the materials of the glasses frame become the research focus of many merchants, the two ends of the glasses frame need to be clamped in a tensile test of the glasses frame, the pertinence of the existing clamping device is not strong, and the slippage phenomenon easily occurs. Therefore, the spectacle frame tensile test clamping device is designed.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides a spectacle frame tensile test clamping device has solved the spectacle frame clamp and has got the problem of jail.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the spectacle frame tension test clamping device comprises a base 1, a bridge arm 2, a moving piece 3, a stepping motor 4 and a speed reducer 5, wherein clamping mechanisms for clamping a spectacle frame are arranged in the middle of the upper surface of the moving piece 3 and the middle of the inner top surface of the bridge arm 2, clamping heads 6 in the upper and lower groups of clamping mechanisms are arranged oppositely, each clamping mechanism comprises an installation frame 10 fixedly connected to the middle of the upper surface of the moving piece 3, an air cylinder 8 is fixedly connected to the middle of the inner top surface of the installation frame 10, the output end of the air cylinder 8 upwards penetrates out of the installation frame 10 and is fixedly connected with a moving block 16, the moving block 16 is rotatably connected with one end of two movable rods 13 through a rotating shaft, the other ends of the two movable rods 13 respectively extend downwards in an inclined mode towards the two sides of the installation frame 10 and are rotatably connected with one end of a linkage arm 9 through the rotating, the other end of the sliding rod 12 is connected in the guide sleeve 11 in a sliding manner, the guide sleeve 11 is fixedly connected with the corresponding side face of the mounting frame 10 through a fixed column, meanwhile, the middle part of the linkage arm 9 is connected with one end of the clamping arm 17 in a rotating manner through a rotating shaft, the other end of the clamping arm 17 extends out of the linkage arm 9 to one side far away from the mounting frame 10 and is fixedly connected with the clamping head 6, one end, far away from the clamping head 6, of the clamping arm 17 is fixedly connected with one end of the clamping rod 14, the other end of the clamping rod 14 is connected with one end of the tension spring 15 through a positioning column, and the other end of the tension spring 15 is connected with the rotating.
Further, a bridge arm 2 is fixedly mounted on the upper surface of the base 1, a lifting moving member 3 is arranged in the bridge arm 2, one end of the moving member 3 is connected with one side, corresponding to the bridge arm 2, of the sliding rail, the other end of the moving member 3 is provided with a screw nut screw hole through which a screw rod shaft 7 is connected in a threaded manner, one end of the screw rod shaft 7 is rotatably connected with the inner top surface of the bridge arm 2 through a bearing, the other end of the screw rod shaft 7 penetrates into the base 1 and is rotatably connected with the inner top surface of the base 1 through a bearing, and a transmission mechanism for driving the screw rod shaft 7 to rotate is arranged in the base 1.
Further, a controller is fixedly installed in the middle of the outer side face of the bridge arm 2.
Furthermore, the transmission mechanism comprises a stepping motor 4 fixedly connected to the inner bottom surface of the base 1, an output shaft of the stepping motor 4 is connected with a driving bevel gear through a speed reducer 5, and the driving bevel gear is in meshed connection with a driven bevel gear sleeved on a screw shaft 7.
Furthermore, a concave surface for being clamped into the spectacle frame is formed on the clamping surface of the clamping head 6, and a rubber layer is compounded on the concave surface.
The utility model has the advantages that:
1. the utility model discloses a, it moves down to drive movable block 16 through cylinder 8 to the movable rod 13 that drives both sides moves down and promotes slide bar 12 respectively and remove towards slope below in the uide bushing 11, and two interlock arms 9 of drive when slide bar 12 slopes to move down are close to the removal, and then drive the tight head 6 of clamp on two centre gripping arms 17 and remove in opposite directions, and with this simultaneously, clamp bar 14 rotates and makes extension spring 15 pressurized, presss from both sides the spectacle frame completely tightly.
2. The utility model discloses a, can improve the tight power of supporting through the compound one deck rubber layer of concave surface on the tight head of clamp 6, the slippage phenomenon appears when avoiding the spectacle frame to be drawn.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the clamping mechanism of the present invention;
fig. 3 is an installation diagram of the middle linkage arm and the clamping arm of the present invention.
In the figure: 1. a base; 2. a bridge arm; 3. a moving member; 4. a stepping motor; 5. a speed reducer; 6. a clamping head; 7. a screw shaft; 8. a cylinder; 9. a linkage arm; 10. installing a frame; 11. a guide sleeve; 12. a slide bar; 13. a movable rod; 14. a clamping lever; 15. a tension spring; 16. a moving block; 17. and a clamping arm.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in 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.
Referring to FIGS. 1-3: the spectacle frame tension test clamping device comprises a base 1, a bridge arm 2, a moving piece 3, a stepping motor 4 and a speed reducer 5, wherein the bridge arm 2 is fixedly installed on the upper surface of the base 1, the lifting moving piece 3 is arranged in the bridge arm 2, one end of the moving piece 3, corresponding to the bridge arm 2, is provided with a sliding rail for connection, the other end of the moving piece 3 is provided with a screw nut screw hole for the screw rod shaft 7 to penetrate through and be in threaded connection with the inner top surface of the bridge arm 2, one end of the screw rod shaft 7 is rotatably connected with the inner top surface of the bridge arm 2 through a bearing, the other end of the screw rod shaft 7 penetrates into the base 1 downwards and is rotatably connected with the inner top surface of the base 1 through the bearing, a transmission mechanism for driving the screw rod shaft 7 to rotate is arranged in the base 1, so that the moving piece 3 can be driven to vertically move in the bridge arm 2 through, the clamping heads 6 in the upper and lower groups of clamping mechanisms are arranged oppositely, so that the corresponding two ends of the spectacle frame are clamped by the upper and lower groups of clamping mechanisms, and then the transmission mechanism is used for controlling the screw rod shaft 7 to rotate and enabling the moving piece 3 to move downwards, so that the subsequent tension test on the spectacle frame is facilitated.
Further, a controller is fixedly installed in the middle of the outer side face of the bridge arm 2, so that the aim of indirectly controlling the descending displacement starting and stopping of the moving member 3 through a transmission mechanism is achieved, and the clamping of the spectacle frame at the initial position and the operation of a pull rope in a tension test are guaranteed.
The clamping mechanism comprises a mounting frame 10 fixedly connected to the middle part of the upper surface of the moving part 3, a cylinder 8 is fixedly connected to the middle part of the inner top surface of the mounting frame 10, the output end of the cylinder 8 penetrates out of the mounting frame 10 upwards and is fixedly connected with a moving block 16, the moving block 16 is rotatably connected with one end of two movable rods 13 through a rotating shaft, the other ends of the two movable rods 13 respectively extend downwards in an inclined manner towards two sides of the mounting frame 10 and are rotatably connected with one end of a linkage arm 9 through the rotating shaft, one end of the linkage arm 9 close to the mounting frame 10 is fixedly connected with the corresponding end part of a sliding rod 12, the other end of the sliding rod 12 is slidably connected in a guide sleeve 11, the guide sleeve 11 is fixedly connected with the corresponding side surface of the mounting frame 10 through a fixed column, meanwhile, the middle part of the linkage arm 9 is rotatably connected with one end of a clamping arm 17 through the rotating shaft, and, and one end of the clamping arm 17 far away from the clamping head 6 is fixedly connected with one end of the clamping rod 14, the other end of the clamping rod 14 is connected with one end of the tension spring 15 through the positioning column, the other end of the tension spring 15 is connected with a rotating shaft fixed at one end of the linkage arm 9 far away from the sliding rod 12, so that the moving block 16 can be driven by the air cylinder 8 to move downwards, the moving rods 13 on the two sides are driven to move downwards and respectively push the sliding rod 12 to move towards the inclined lower part in the guide sleeve 11, the sliding rod 12 moves downwards in an inclined way and simultaneously drives the two linkage arms 9 to move close to each other, and further drives the clamping heads 6 on the two clamping arms 17 to move in opposite directions, so that at the same time, the clamping rod 14 rotates.
Furthermore, the clamping surface of the clamping head 6 is provided with a concave surface for being clamped into the spectacle frame, and the concave surface is compounded with a layer of rubber layer, so that the abutting force is improved, and the phenomenon of slippage of the spectacle frame when the spectacle frame is pulled is avoided.
The transmission mechanism comprises a stepping motor 4 fixedly connected to the inner bottom surface of the base 1, an output shaft of the stepping motor 4 is connected with a driving bevel gear through a speed reducer 5, the driving bevel gear is meshed with a driven bevel gear sleeved on a screw shaft 7, and then the driving process of the screw shaft 7 is completed.
To sum up, the utility model discloses when using, it moves down to drive movable block 16 through cylinder 8, thereby the movable rod 13 that drives both sides moves down and promotes slide bar 12 respectively and remove towards slope below in the uide bushing 11, two interlock arms 9 of drive are close to and move when slide bar 12 inclines to move down, and then drive two tight heads 6 of clamp on the centre gripping arm 17 and remove in opposite directions, and with this simultaneously, clamp 14 rotates and makes extension spring 15 pressurized, until pressing from both sides the spectacle frame completely, and the compound one deck rubber layer of concave surface on the tight head 6 of clamp can improve the tight power of supporting, the slippage phenomenon appears when avoiding the spectacle frame to be drawn.
The model specification of step motor 4 is 86BYGH250DH in this scheme, and the model specification of cylinder 8 is SC63, and the model specification of controller is TED-2001, involves that circuit and electronic components and module are prior art, and the technical staff in the field can realize completely, need not proud, the utility model discloses the content of protection does not relate to the improvement to software and method yet.
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 technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (5)

1. Spectacle frame tensile test clamping device, including base (1), bridge arm (2), moving member (3), step motor (4) and reduction gear (5), its characterized in that: the middle part of the upper surface of the moving piece (3) and the middle part of the inner top surface of the bridge arm (2) are both provided with a clamping mechanism for clamping a spectacle frame, clamping heads (6) of the upper and lower groups of clamping mechanisms are arranged oppositely, the clamping mechanism comprises an installation frame (10) fixedly connected to the middle part of the upper surface of the moving piece (3), the middle part of the inner top surface of the installation frame (10) is fixedly connected with a cylinder (8), the output end of the cylinder (8) upwards penetrates out of the installation frame (10) and is fixedly connected with a movable block (16), the movable block (16) is rotatably connected with one end of two movable rods (13) through a rotating shaft, the other ends of the two movable rods (13) respectively extend downwards towards two sides of the installation frame (10) in an inclined mode and are rotatably connected with one end of a linkage arm (9) through the rotating shaft, and one end of the linkage arm (9) close, the other end of the sliding rod (12) is connected in the guide sleeve (11) in a sliding mode, the guide sleeve (11) is fixedly connected with the corresponding side face of the installation frame (10) through the fixed column, meanwhile, the middle of the linkage arm (9) is connected with one end of the clamping arm (17) in a rotating mode through the rotating shaft, the other end of the clamping arm (17) extends out of the linkage arm (9) and is fixedly connected with the clamping head (6) to one side far away from the installation frame (10), one end, far away from the clamping head (6), of the clamping arm (17) is fixedly connected with one end of the clamping rod (14), the other end of the clamping rod (14) is connected with one end of the tension spring (15) through the positioning column, and the other end of the tension spring (15) is connected with the rotating shaft, far away from one end.
2. The spectacle frame pull test holding device of claim 1 wherein: the upper surface fixed mounting of base (1) has bridge arm (2), and be provided with the moving member (3) that go up and down in bridge arm (2), some sliding connections are seted up to one side that one end of moving member (3) and bridge arm (2) correspond, and the screw that supplies lead screw axle (7) through threaded connection is seted up to the other end of moving member (3), the interior top surface of connecting bridge arm (2) is rotated through the bearing to the one end of lead screw axle (7), and the other end of lead screw axle (7) is worn into under the base (1) and is rotated through the bearing and connect in the interior top surface of base (1), and be provided with in base (1) and be used for driving the rotatory drive mechanism of lead screw axle (7).
3. The spectacle frame pull test holding device of claim 2 wherein: and the middle part of the outer side surface of the bridge arm (2) is fixedly provided with a controller.
4. The spectacle frame pull test holding device of claim 2 wherein: the transmission mechanism comprises a stepping motor (4) fixedly connected to the inner bottom surface of the base (1), an output shaft of the stepping motor (4) is connected with a driving bevel gear through a speed reducer (5), and the driving bevel gear is in meshed connection with a driven bevel gear sleeved on a screw shaft (7).
5. The spectacle frame pull test holding device of claim 1 wherein: the clamping surface of the clamping head (6) is provided with a concave surface for being clamped into a spectacle frame, and the concave surface is compounded with a rubber layer.
CN201921793820.5U 2019-10-24 2019-10-24 Clamping device for tension test of spectacle frame Active CN210775011U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921793820.5U CN210775011U (en) 2019-10-24 2019-10-24 Clamping device for tension test of spectacle frame

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921793820.5U CN210775011U (en) 2019-10-24 2019-10-24 Clamping device for tension test of spectacle frame

Publications (1)

Publication Number Publication Date
CN210775011U true CN210775011U (en) 2020-06-16

Family

ID=71049043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921793820.5U Active CN210775011U (en) 2019-10-24 2019-10-24 Clamping device for tension test of spectacle frame

Country Status (1)

Country Link
CN (1) CN210775011U (en)

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