Clamp for mobile phone shell machining

Abstract

The clamp comprises a base, a motor is fixedly installed at one end corner of the upper end face of the base through a fixing base, the transmission end of the motor is rotationally connected with a transmission wheel A, and transmission wheels B are symmetrically arranged at the positions, corresponding to the transmission wheel A, of the upper end face of the base. The outer surface of the transmission wheel A and the outer surface of the transmission wheel B are movably sleeved with a transmission belt, the other end of the transmission wheel A and the other end of the transmission wheel B are each provided with a movable part, each movable part comprises two mounting frame bodies symmetrically arranged on the upper end face of the base, and the interiors of the two mounting frame bodies are each rotationally connected with two bidirectional screw rods. And one ends of the two groups of bidirectional screw rods penetrate through the mounting frame body and are fixedly connected with the transmission wheel A and the transmission wheel B respectively. By means of the arranged structure, the clamping mode is soft, and damage to a clamped workpiece caused by too large clamping force is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of mobile phones, in particular to a clamp for processing a mobile phone shell. Background Art

[0002] Mobile phones have become an indispensable item in people's daily lives. Mobile phone cases must be assembled during the production process. The quality of the mobile phone case directly affects the quality of the mobile phone. The processing of mobile phone cases often involves the clamping of thin-walled parts.

[0003] In view of the existing patent CN201820582260.8, a mobile phone shell processing fixture is provided, wherein the device is provided with an automatic clamping device, the mobile phone shell is placed in the fixture, the second infrared sensor receives a signal, transmits the signal to the single chip microcomputer, the single chip microcomputer drives the vacuum generator to start, the vacuum generator generates air pressure to push the first clamping block and the second clamping block to move inward, so that the mobile phone shell is clamped, and at the same time, a filtering device is provided, the motor is started, the fan blades are driven to rotate, and the toxic gas is absorbed into the shell, and the toxic gas passes through the condensation layer and the alkaline pool, and the non-toxic gas is discharged through the exhaust net. The technical effect solves the problem that the mobile phone shell cannot be clamped automatically, and the technical problem that toxic gas is generated during the processing of the mobile phone shell, which affects human health. However, the support platform of the device is unstable in positioning the mobile phone shell, and thin-walled parts are difficult to clamp in place. Multiple clamping is often required, which is time-consuming, labor-intensive, inefficient, and the product quality is unstable. At the same time, it is easy to cause damage to the clamped workpiece due to the large clamping force; therefore, it does not meet the existing needs, and we propose a mobile phone shell processing fixture. Utility Model Content

[0004] The purpose of the utility model is to provide a fixture for processing a mobile phone shell to solve the problem of the existing patent CN201820582260.8 proposed in the above background technology, a mobile phone shell processing fixture, the device is provided with an automatic clamping device, the mobile phone shell is placed in the fixture, the second infrared sensor receives a signal, and transmits the signal to the single-chip microcomputer, the single-chip microcomputer drives the vacuum generator to start, the vacuum generator generates air pressure to push the first clamping block and the second clamping block to move inward, so that the mobile phone shell is clamped, and at the same time, by setting a filtering device, the motor is started, the fan blade is driven to rotate, and the toxic gas is sucked into the shell, and the toxic gas passes through the condensation layer and the alkaline pool, and the non-toxic gas is discharged through the exhaust net. The technical effect solves the problem that the mobile phone shell cannot be automatically clamped, and the mobile phone shell generates toxic gas when the mobile phone shell is processed, which affects human health. The technical problem, but the support platform of the device is unstable in the positioning of the mobile phone shell, and it is difficult to clamp thin-walled parts in place, and multiple clamping is often required, which is time-consuming, labor-intensive, and inefficient, and the product quality is unstable. At the same time, it is easy to cause damage to the clamped workpiece due to the large clamping force.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a clamp for processing a mobile phone shell, comprising a base, a motor is fixedly installed at one end corner of the upper end face of the base through a fixing seat, a transmission end of the motor is rotatably connected to a transmission wheel A, a transmission wheel B is symmetrically arranged at a position of the upper end face of the base corresponding to the transmission wheel A, a transmission belt is movably sleeved on the outer surfaces of the transmission wheel A and the transmission wheel B, and the other ends of the transmission wheel A and the transmission wheel B are both provided with movable parts, and the movable parts include two groups of mounting frames symmetrically arranged on the upper end face of the base, two groups of two-way screws are rotatably connected inside the two groups of mounting frames, and one end of the two groups of two-way screws penetrates the mounting frames and is respectively fixedly connected to the transmission wheel A and the transmission wheel B, fixing parts for clamping the workpiece are symmetrically arranged on both sides above the two-way screws, and a placement frame is fixedly connected between the two groups of mounting frames and located on the upper end face of the base;

[0006] The fixing member comprises a fixing rod arranged above the bidirectional screw rod, a through slot is transversely opened at the middle position of the front end side of the fixing rod, and a movable rod is arranged through the interior of the through slot, and a positioning plate is fixedly connected to the bottom end of the movable rod.

[0007] Preferably, the fixing member also includes sliding grooves opened on both sides of the through groove and located on the fixed rod, the movable rod is provided with a movable groove, and the movable groove is movably connected to a sliding rod inside, and both ends of the sliding rod extend through the sliding groove, and the sliding rod is slidably connected to the sliding groove.

[0008] Preferably, nuts are threadedly connected to both sides of the outer surface of the bidirectional screw, and the upper end surface of the nut is fixedly connected to the lower end surface of one side of the fixing rod.

[0009] Preferably, a compression spring is sleeved on the movable rod, one end of the compression spring is fixedly connected to the upper end surface of the positioning plate, and the other end of the compression spring is fixedly connected to the lower end surface of the fixed rod.

[0010] Preferably, a rubber pad is fixedly bonded to the lower end surface of the positioning plate, and the rubber pad is provided with anti-slip grooves.

[0011] Preferably, a plurality of suction cup plane blocks are provided on the placement frame, suction holes are provided on the suction cup plane blocks, and strip grooves are provided between the plurality of suction cup plane blocks.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] The utility model is connected with the external air pipe through the suction cup plane block, and multiple suction holes generate negative pressure through suction, so as to adsorb the main part of the mobile phone shell on the suction cup plane block, thereby realizing vacuum fixing, and then starting the motor to drive the transmission wheel A to rotate, and at the same time, through the arranged transmission belt, driving the transmission wheel B on the other side to rotate, so that the bidirectional screw in the installation frame rotates, driving the fixing rod on the nut to adjust the distance according to the mobile phone shell, which is convenient for the subsequent fixing of the mobile phone shell, and when it is adjusted to a suitable position, the motor is turned off, and the movable rod is pulled to slide in the slide groove according to the sliding rod therein, and the movable rod is pulled upward at the same time, so that the positioning plate moves upward, and the compression spring is in a compressed state. When the positioning plate at the bottom end of the movable rod moves to the top of the mobile phone shell, the movable rod is released, and the positioning plate abuts against the upper surface of the mobile phone shell under the elastic force of the compression spring itself, so as to realize secondary positioning of the edge of the mobile phone shell, and the positioning is stable, and no displacement occurs, which is convenient for the clamping of thin-walled parts and has high efficiency. At the same time, the clamping device has a relatively gentle clamping method, which reduces the damage of the clamped workpiece caused by excessive clamping force. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0015] Figure 2 It is a side view of the utility model as a whole;

[0016] Figure 3 It is a partial structural schematic diagram of the fixing rod of the utility model.

[0017] In the figure: 1. base; 2. motor; 3. transmission wheel A; 4. transmission belt; 5. transmission wheel B; 6. installation frame; 7. bidirectional screw; 8. nut; 9. fixing rod; 10. placement frame; 11. through groove; 12. slide groove; 13. movable rod; 14. slide rod; 15. movable groove; 16. compression spring; 17. positioning plate; 18. suction cup flat block; 19. suction hole; 20. strip groove. DETAILED DESCRIPTION

[0018] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0019] See also Figures 1 to 3The utility model provides an embodiment: a clamp for processing a mobile phone shell, comprising a base 1, a motor 2 is fixedly installed at one end corner of the upper end surface of the base 1 through a fixing seat, a transmission end of the motor 2 is rotatably connected to a transmission wheel A3, a transmission wheel B5 is symmetrically arranged at a position corresponding to the transmission wheel A3 on the upper end surface of the base 1, a transmission belt 4 is movably sleeved on the outer surfaces of the transmission wheel A3 and the transmission wheel B5, and the other ends of the transmission wheel A3 and the transmission wheel B5 are both provided with movable parts, and the movable parts include two groups of mounting frames 6 symmetrically arranged on the upper end surface of the base 1, two groups of bidirectional screws 7 are rotatably connected inside the two groups of mounting frames 6, and one end of the two groups of bidirectional screws 7 penetrates the mounting frames 6 and is respectively fixedly connected to the transmission wheel A3 and the transmission wheel B5, and fixing parts for clamping the workpiece are symmetrically arranged on both sides above the bidirectional screws 7, and a placing frame 10 is fixedly connected between the two groups of mounting frames 6 and located on the upper end surface of the base 1;

[0020] The fixing member includes a fixing rod 9 arranged above the bidirectional screw rod 7, a through slot 11 is horizontally opened at the middle position of the front end side of the fixing rod 9, and a movable rod 13 is penetrated inside the through slot 11, and a positioning plate 17 is fixedly connected to the bottom end of the movable rod 13.

[0021] The fixing member also includes a slide groove 12 opened on both sides of the through groove 11 and located on the fixed rod 9, a movable groove 15 is opened on the movable rod 13, and a sliding rod 14 is movably connected inside the movable groove 15, and both ends of the sliding rod 14 extend through the slide groove 12, and the sliding rod 14 is slidably connected to the slide groove 12.

[0022] Nuts 8 are threadedly connected to both sides of the outer surface of the bidirectional screw rod 7 , and the upper end surface of the nut 8 is fixedly connected to the lower end surface of one side of the fixing rod 9 .

[0023] A compression spring 16 is sleeved on the movable rod 13 , one end of the compression spring 16 is fixedly connected to the upper end surface 17 of the positioning plate 17 , and the other end of the compression spring 16 is fixedly connected to the lower end surface of the fixed rod 9 .

[0024] The lower end surface of the positioning plate 17 is fixedly bonded with a rubber pad, and the rubber pad is provided with anti-skid patterns. By adopting the above technical solution, when the mobile phone shell is clamped, the rubber pad protects the mobile phone shell to prevent the mobile phone shell from being worn due to hard contact when the mobile phone shell is clamped.

[0025] A plurality of suction cup plane blocks 18 are arranged on the placement frame 10, each of which is provided with suction holes 19, and strip grooves 20 are arranged between the plurality of suction cup plane blocks 18. By adopting the above technical solution, the plurality of suction holes 19 generate negative pressure by suction, and the main part of the mobile phone case on the suction cup plane block 18 is adsorbed, thereby achieving vacuum fixing.

[0026] When the mobile phone shell processing fixture is in use, the suction cup plane block 18 is connected to the external air pipe, and the multiple suction holes 19 generate negative pressure by suction, so as to adsorb the main part of the mobile phone shell on the suction cup plane block 18, thereby achieving vacuum fixation, and then the motor 2 is started to drive the transmission wheel A to rotate, and at the same time, the transmission belt 4 is used to drive the transmission wheel B on the other side to rotate, so that the bidirectional screw 7 in the installation frame 6 rotates, driving the fixing rod 9 on the nut 8 to adjust the distance according to the mobile phone shell, which is convenient for the subsequent fixation of the mobile phone shell. When it is adjusted to a suitable position, the motor is turned off and the movable rod 13 is pulled The slide bar 14 therein slides in the slide groove 12, and the movable rod 13 is pulled upward, so that the positioning plate 17 moves upward, and the compression spring 16 is in a compressed state. When the positioning plate 17 at the bottom of the movable rod 13 moves to the top of the mobile phone shell, the movable rod 13 is released, and the positioning plate 17 abuts against the upper surface of the mobile phone shell under the elastic force of the compression spring 16, so as to realize secondary positioning of the edge of the mobile phone shell, and the positioning is stable and will not shift, which is convenient for clamping thin-walled parts and has high efficiency. At the same time, the clamping device has a relatively gentle clamping method, which reduces the damage of the clamped workpiece caused by excessive clamping force.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A fixture for processing a mobile phone housing, comprising a base (1), characterized in that: A motor (2) is fixedly mounted at an end corner of the upper end surface of the base (1) via a fixing seat, a transmission end of the motor (2) is rotatably connected to a transmission wheel A (3), a transmission wheel B (5) is symmetrically arranged at a position of the upper end surface of the base (1) corresponding to the transmission wheel A (3), a transmission belt (4) is movably sleeved on the outer surfaces of the transmission wheel A (3) and the transmission wheel B (5), and the other ends of the transmission wheel A (3) and the transmission wheel B (5) are both provided with movable parts, and the movable parts include symmetrically arranged Two groups of mounting frames (6) are provided on the upper end surface of the base (1), and two groups of bidirectional screws (7) are rotatably connected inside the two groups of mounting frames (6), and one end of the two groups of bidirectional screws (7) passes through the mounting frames (6) and is respectively fixedly connected to the transmission wheel A (3) and the transmission wheel B (5), and fixing parts for clamping the workpiece are symmetrically arranged on both sides above the bidirectional screws (7), and a placement frame (10) is fixedly connected between the two groups of mounting frames (6) and located on the upper end surface of the base (1); The fixing member comprises a fixing rod (9) arranged above the bidirectional screw rod (7), a through slot (11) being transversely opened at the middle position of the front end side of the fixing rod (9), and a movable rod (13) being arranged inside the through slot (11), and a positioning plate (17) being fixedly connected to the bottom end of the movable rod (13).

2. A fixture for processing a mobile phone shell according to claim 1, characterized in that: The fixing member also includes a slide groove (12) opened on both sides of the through groove (11) and located on the fixed rod (9); a movable groove (15) is opened on the movable rod (13); and a sliding rod (14) is movably connected inside the movable groove (15); and both ends of the sliding rod (14) extend through the slide groove (12); and the sliding rod (14) is slidably connected to the slide groove (12).

3. A fixture for processing a mobile phone shell according to claim 1, characterized in that: Nuts (8) are threadedly connected to both sides of the outer surface of the bidirectional screw (7), and the upper end surface of the nut (8) is fixedly connected to the lower end surface of one side of the fixing rod (9).

4. A fixture for processing a mobile phone shell according to claim 1, characterized in that: A compression spring (16) is sleeved on the movable rod (13), one end of the compression spring (16) is fixedly connected to the upper end surface of the positioning plate (17), and the other end of the compression spring (16) is fixedly connected to the lower end surface of the fixed rod (9).

5. The fixture for processing a mobile phone shell according to claim 1, characterized in that: A rubber pad is fixedly bonded to the lower end surface of the positioning plate (17), and anti-slip grooves are provided on the rubber pad.

6. A fixture for processing a mobile phone shell according to claim 1, characterized in that: The placement frame (10) is provided with a plurality of suction cup plane blocks (18), each of which is provided with a suction hole (19), and strip grooves (20) are provided between the plurality of suction cup plane blocks (18).

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